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First version under SVN is V4.0.1

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This commit is contained in:
Richard Barry
2006-05-02 09:39:15 +00:00
parent 243393860c
commit b6df57c7e3
918 changed files with 269038 additions and 0 deletions
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707
Demo/ARM7_AT91FR40008_GCC/AT91R40008.h Normal file
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Demo/ARM7_AT91FR40008_GCC/ATEB40x.cfg Normal file
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[SETUP]
CpuVendor=Atmel
CpuChip=AT91R40807
FlashVendor=Atmel
FlashChip=AT49BV/F1614A
RamAddress=$00000000
RamSupport=1
FlashAddress=$01000000
FlashWidth=16
FlashChipsPerSector=1
LittleEndian=0
SectStart=0
SectEnd=38
AutoErase=0
AutoVerify=1
CpuEndian=LITTLE
SimCount=3
MemoryCount=0
ProgramFile=E:\temp\embesttest\Demo\ARM7_AT91R40008_GCC_Embest\rtosdemo.hex
UploadFile=c:\EB40_Lower.bin
Format=Intel Hex
Sim3=EBI_RCR:$00000001
Sim2=EBI_CSR1:$02002122
Sim1=EBI_CSR0:$01002539

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Demo/ARM7_AT91FR40008_GCC/FreeRTOSConfig.h Normal file
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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
#include <AT91R40008.h>
#define configFLASH_SPEED_NSEC 100 /* External flash access speed (for ROM builds) */
/*-----------------------------------------------------------
* Application specific definitions.
*
* These definitions should be adjusted for your particular hardware and
* application requirements.
*
* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*----------------------------------------------------------*/
#define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0
#define configUSE_TICK_HOOK 0
#define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 66000000 ) /* = 66.000MHz clk gen */
#define configTICK_RATE_HZ ( ( portTickType ) 1000 )
#define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 5 )
#define configMINIMAL_STACK_SIZE ( ( unsigned portSHORT ) 128 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 25 * 1024 ) )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configUSE_TRACE_FACILITY 0
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */
#define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 1
#define INCLUDE_vTaskCleanUpResources 0
#define INCLUDE_vTaskSuspend 1
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
#endif /* FREERTOS_CONFIG_H */

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Demo/ARM7_AT91FR40008_GCC/Makefile Normal file
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# FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
#
# This file is part of the FreeRTOS distribution.
#
# FreeRTOS is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# FreeRTOS is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with FreeRTOS; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# A special exception to the GPL can be applied should you wish to distribute
# a combined work that includes FreeRTOS, without being obliged to provide
# the source code for any proprietary components. See the licensing section
# of http://www.FreeRTOS.org for full details of how and when the exception
# can be applied.
#
# ***************************************************************************
# See http://www.FreeRTOS.org for documentation, latest information, license
# and contact details. Please ensure to read the configuration and relevant
# port sections of the online documentation.
# ***************************************************************************
CC=arm-elf-gcc
OBJCOPY=arm-elf-objcopy
ARCH=arm-elf-ar
CRT0=boot.s
#
# CFLAGS common to both the THUMB and ARM mode builds
#
CFLAGS=-Wall -D $(RUN_MODE) -D GCC_AT91FR40008 -I. -I../../Source/include \
-I../Common/include $(DEBUG) -mcpu=arm7tdmi -T$(LDSCRIPT) \
-Wcast-align $(OPTIM)
ifeq ($(USE_THUMB_MODE),YES)
CFLAGS += -mthumb-interwork -D THUMB_INTERWORK
THUMB_FLAGS=-mthumb
endif
LINKER_FLAGS=-Xlinker -ortosdemo.elf -Xlinker -M -Xlinker -Map=rtosdemo.map
#
# Source files that can be built to THUMB mode.
#
THUMB_SRC = \
main.c \
serial/serial.c \
ParTest/ParTest.c \
../Common/Minimal/integer.c \
../Common/Minimal/flash.c \
../Common/Minimal/PollQ.c \
../Common/Minimal/comtest.c \
../Common/Minimal/flop.c \
../Common/Minimal/semtest.c \
../Common/Minimal/dynamic.c \
../Common/Minimal/BlockQ.c \
../../Source/tasks.c \
../../Source/queue.c \
../../Source/list.c \
../../Source/portable/MemMang/heap_2.c \
../../Source/portable/GCC/ARM7_AT91FR40008/port.c
#
# Source files that must be built to ARM mode.
#
ARM_SRC = \
../../Source/portable/GCC/ARM7_AT91FR40008/portISR.c \
serial/serialISR.c
#
# Define all object files.
#
ARM_OBJ = $(ARM_SRC:.c=.o)
THUMB_OBJ = $(THUMB_SRC:.c=.o)
rtosdemo.hex : rtosdemo.elf
$(OBJCOPY) rtosdemo.elf -O ihex rtosdemo.hex
rtosdemo.elf : $(ARM_OBJ) $(THUMB_OBJ) $(CRT0) Makefile
$(CC) $(CFLAGS) $(ARM_OBJ) $(THUMB_OBJ) -nostartfiles $(CRT0) $(LINKER_FLAGS)
$(THUMB_OBJ) : %.o : %.c $(LDSCRIPT) Makefile
$(CC) -c $(THUMB_FLAGS) $(CFLAGS) $< -o $@
$(ARM_OBJ) : %.o : %.c $(LDSCRIPT) Makefile
$(CC) -c $(CFLAGS) $< -o $@
clean :
touch Makefile

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Demo/ARM7_AT91FR40008_GCC/ParTest/ParTest.c Normal file
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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "portable.h"
/* Demo app includes. */
#include "partest.h"
/* Hardware specific definitions. */
#include "AT91R40008.h"
#include "pio.h"
#include "aic.h"
#define partstNUM_LEDS ( 8 )
#define partstALL_OUTPUTS_OFF ( ( unsigned portLONG ) ~(0xFFFFFFFF << partstNUM_LEDS) )
static unsigned portLONG ulLEDReg;
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
static void SetLeds (unsigned int leds)
{
unsigned portLONG ulPIOSetReg, ulPIOClearReg;
/* LEDs are grouped in different port bits: P3-P6 and P16-P19.
A port bit set to '0' turns an LED on, '1' turns it off. */
ulPIOSetReg = ( (leds & 0xF) << 16 ) | ( (leds & 0xF0) >> 1 );
ulPIOClearReg = (~ulPIOSetReg) & 0x000F0078;
AT91C_BASE_PIO->PIO_SODR = ulPIOSetReg;
AT91C_BASE_PIO->PIO_CODR = ulPIOClearReg;
}
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* This is performed from main() as the io bits are shared with other setup
functions. Ensure the outputs are off to start. */
ulLEDReg = partstALL_OUTPUTS_OFF;
/* Enable clock to PIO... */
AT91C_BASE_PS->PS_PCER = AT91C_PS_PIO;
/* Enable all 8 LEDs and the four switches to be controlled by PIO... */
AT91C_BASE_PIO->PIO_PER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19 | P1 | P2 | P9 | P12;
/* Configure all LED PIO lines for output... */
AT91C_BASE_PIO->PIO_OER = P3 | P4 | P5 | P6 | P16 | P17 | P18 | P19;
/* Configure all switch PIO lines for input... */
AT91C_BASE_PIO->PIO_ODR = P1 | P2 | P9 | P12;
/* Set initial state of LEDs. */
SetLeds( ulLEDReg );
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
/* Switch an LED on or off as requested. */
if (uxLED < partstNUM_LEDS)
{
if( xValue )
{
ulLEDReg &= ~(1 << uxLED);
}
else
{
ulLEDReg |= (1 << uxLED);
}
SetLeds( ulLEDReg );
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
/* Toggle the state of the requested LED. */
if (uxLED < partstNUM_LEDS)
{
ulLEDReg ^= ( 1 << uxLED );
SetLeds( ulLEDReg );
}
}

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Demo/ARM7_AT91FR40008_GCC/aic.h Normal file
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//*----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name : aic.h
//* Object : Advanced Interrupt Controller Definition File.
//*
//* 1.0 01/04/00 JCZ : Creation
//*----------------------------------------------------------------------------
#ifndef aic_h
#define aic_h
//#include "periph/stdc/std_c.h"
/*-----------------------------------------*/
/* AIC User Interface Structure Definition */
/*-----------------------------------------*/
typedef struct
{
at91_reg AIC_SMR[32] ; /* Source Mode Register */
at91_reg AIC_SVR[32] ; /* Source Vector Register */
at91_reg AIC_IVR ; /* IRQ Vector Register */
at91_reg AIC_FVR ; /* FIQ Vector Register */
at91_reg AIC_ISR ; /* Interrupt Status Register */
at91_reg AIC_IPR ; /* Interrupt Pending Register */
at91_reg AIC_IMR ; /* Interrupt Mask Register */
at91_reg AIC_CISR ; /* Core Interrupt Status Register */
at91_reg reserved0 ;
at91_reg reserved1 ;
at91_reg AIC_IECR ; /* Interrupt Enable Command Register */
at91_reg AIC_IDCR ; /* Interrupt Disable Command Register */
at91_reg AIC_ICCR ; /* Interrupt Clear Command Register */
at91_reg AIC_ISCR ; /* Interrupt Set Command Register */
at91_reg AIC_EOICR ; /* End of Interrupt Command Register */
at91_reg AIC_SPU ; /* Spurious Vector Register */
} StructAIC ;
/*--------------------------------------------*/
/* AIC_SMR[]: Interrupt Source Mode Registers */
/*--------------------------------------------*/
#define AIC_PRIOR 0x07 /* Priority */
#define AIC_SRCTYPE 0x60 /* Source Type Definition */
/* Internal Interrupts */
#define AIC_SRCTYPE_INT_LEVEL_SENSITIVE 0x00 /* Level Sensitive */
#define AIC_SRCTYPE_INT_EDGE_TRIGGERED 0x20 /* Edge Triggered */
/* External Interrupts */
#define AIC_SRCTYPE_EXT_LOW_LEVEL 0x00 /* Low Level */
#define AIC_SRCTYPE_EXT_NEGATIVE_EDGE 0x20 /* Negative Edge */
#define AIC_SRCTYPE_EXT_HIGH_LEVEL 0x40 /* High Level */
#define AIC_SRCTYPE_EXT_POSITIVE_EDGE 0x60 /* Positive Edge */
/*------------------------------------*/
/* AIC_ISR: Interrupt Status Register */
/*------------------------------------*/
#define AIC_IRQID 0x1F /* Current source interrupt */
/*------------------------------------------*/
/* AIC_CISR: Interrupt Core Status Register */
/*------------------------------------------*/
#define AIC_NFIQ 0x01 /* Core FIQ Status */
#define AIC_NIRQ 0x02 /* Core IRQ Status */
/*-------------------------------*/
/* Advanced Interrupt Controller */
/*-------------------------------*/
#define AIC_BASE ((StructAIC *)0xFFFFF000)
#endif /* aic_h */

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Demo/ARM7_AT91FR40008_GCC/atmel-ram.ld Normal file
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MEMORY
{
ram : ORIGIN = 0x00000000, LENGTH = 256K
}
__stack_end__ = 0x00000000 + 256K - 4;
SECTIONS
{
. = 0;
startup : { *(.startup)} >ram
prog :
{
*(.text)
*(.rodata)
*(.rodata*)
*(.glue_7)
*(.glue_7t)
} >ram
__end_of_text__ = .;
.data :
{
__data_beg__ = .;
__data_beg_src__ = __end_of_text__;
*(.data)
__data_end__ = .;
} >ram
.bss :
{
__bss_beg__ = .;
*(.bss)
} >ram
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections. */
. = ALIGN(32 / 8);
}
. = ALIGN(32 / 8);
_end = .;
_bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
PROVIDE (end = .);

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MEMORY
{
flash : ORIGIN = 0x00000000, LENGTH = 2048K
ram : ORIGIN = 0x00300000, LENGTH = 256K
}
__stack_end__ = 0x00300000 + 256K - 4;
SECTIONS
{
. = 0;
startup : { *(.startup)} >flash
prog :
{
*(.text)
*(.rodata)
*(.rodata*)
*(.glue_7)
*(.glue_7t)
} >flash
__end_of_text__ = .;
.data :
{
__data_beg__ = .;
__data_beg_src__ = __end_of_text__;
*(.data)
__data_end__ = .;
} >ram AT>flash
.bss :
{
__bss_beg__ = .;
*(.bss)
} >ram
/* Align here to ensure that the .bss section occupies space up to
_end. Align after .bss to ensure correct alignment even if the
.bss section disappears because there are no input sections. */
. = ALIGN(32 / 8);
}
. = ALIGN(32 / 8);
_end = .;
_bss_end__ = . ; __bss_end__ = . ; __end__ = . ;
PROVIDE (end = .);

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/* Sample initialization file */
.extern main
.extern exit
.text
.code 32
.align 0
.extern __bss_beg__
.extern __bss_end__
.extern __stack_end__
.extern __data_beg__
.extern __data_end__
.extern __data+beg_src__
.global start
.global endless_loop
/* Stack Sizes */
.set UND_STACK_SIZE, 0x00000004
.set ABT_STACK_SIZE, 0x00000004
.set FIQ_STACK_SIZE, 0x00000004
.set IRQ_STACK_SIZE, 0X00000400
.set SVC_STACK_SIZE, 0x00000400
/* Standard definitions of Mode bits and Interrupt (I & F) flags in PSRs */
.set MODE_USR, 0x10 /* User Mode */
.set MODE_FIQ, 0x11 /* FIQ Mode */
.set MODE_IRQ, 0x12 /* IRQ Mode */
.set MODE_SVC, 0x13 /* Supervisor Mode */
.set MODE_ABT, 0x17 /* Abort Mode */
.set MODE_UND, 0x1B /* Undefined Mode */
.set MODE_SYS, 0x1F /* System Mode */
.equ I_BIT, 0x80 /* when I bit is set, IRQ is disabled */
.equ F_BIT, 0x40 /* when F bit is set, FIQ is disabled */
start:
_start:
_mainCRTStartup:
/* Setup a stack for each mode - note that this only sets up a usable stack
for system/user, SWI and IRQ modes. Also each mode is setup with
interrupts initially disabled. */
ldr r0, .LC6
msr CPSR_c, #MODE_UND|I_BIT|F_BIT /* Undefined Instruction Mode */
mov sp, r0
sub r0, r0, #UND_STACK_SIZE
msr CPSR_c, #MODE_ABT|I_BIT|F_BIT /* Abort Mode */
mov sp, r0
sub r0, r0, #ABT_STACK_SIZE
msr CPSR_c, #MODE_FIQ|I_BIT|F_BIT /* FIQ Mode */
mov sp, r0
sub r0, r0, #FIQ_STACK_SIZE
msr CPSR_c, #MODE_IRQ|I_BIT|F_BIT /* IRQ Mode */
mov sp, r0
sub r0, r0, #IRQ_STACK_SIZE
msr CPSR_c, #MODE_SVC|I_BIT|F_BIT /* Supervisor Mode */
mov sp, r0
sub r0, r0, #SVC_STACK_SIZE
msr CPSR_c, #MODE_SYS|I_BIT|F_BIT /* System Mode */
mov sp, r0
/* We want to start in supervisor mode. Operation will switch to system
mode when the first task starts. */
msr CPSR_c, #MODE_SVC|I_BIT|F_BIT
/* Clear BSS. */
mov a2, #0 /* Fill value */
mov fp, a2 /* Null frame pointer */
mov r7, a2 /* Null frame pointer for Thumb */
ldr r1, .LC1 /* Start of memory block */
ldr r3, .LC2 /* End of memory block */
subs r3, r3, r1 /* Length of block */
beq .end_clear_loop
mov r2, #0
.clear_loop:
strb r2, [r1], #1
subs r3, r3, #1
bgt .clear_loop
.end_clear_loop:
/* Initialise data. */
ldr r1, .LC3 /* Start of memory block */
ldr r2, .LC4 /* End of memory block */
ldr r3, .LC5
subs r3, r3, r1 /* Length of block */
beq .end_set_loop
.set_loop:
ldrb r4, [r2], #1
strb r4, [r1], #1
subs r3, r3, #1
bgt .set_loop
.end_set_loop:
mov r0, #0 /* no arguments */
mov r1, #0 /* no argv either */
bl main
endless_loop:
b endless_loop
.align 0
.LC1:
.word __bss_beg__
.LC2:
.word __bss_end__
.LC3:
.word __data_beg__
.LC4:
.word __data_beg_src__
.LC5:
.word __data_end__
.LC6:
.word __stack_end__
/* Setup vector table. Note that undf, pabt, dabt, fiq just execute
a null loop. */
.section .startup,"ax"
.code 32
.align 0
b _start /* reset - _start */
ldr pc, _undf /* undefined - _undf */
ldr pc, _swi /* SWI - _swi */
ldr pc, _pabt /* program abort - _pabt */
ldr pc, _dabt /* data abort - _dabt */
nop /* reserved */
ldr pc, [pc,#-0xF20] /* IRQ - read the AIC */
ldr pc, _fiq /* FIQ - _fiq */
_undf: .word __undf /* undefined */
_swi: .word vPortYieldProcessor /* SWI */
_pabt: .word __pabt /* program abort */
_dabt: .word __dabt /* data abort */
_fiq: .word __fiq /* FIQ */
__undf: b . /* undefined */
__pabt: b . /* program abort */
__dabt: b . /* data abort */
__fiq: b . /* FIQ */

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//*-----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*-----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*-----------------------------------------------------------------------------
//* File Name : ebi.h
//* Object : External Bus Interface Definition File
//* Translator : ARM Software Development Toolkit V2.11a
//*
//* 1.0 03/11/97 JCZ : Creation
//* 2.0 21/10/98 JCZ : Clean up
//*-----------------------------------------------------------------------------
#ifndef ebi_h
#define ebi_h
/*----------------------------------------*/
/* Memory Controller Interface Definition */
/*----------------------------------------*/
typedef struct
{
at91_reg EBI_CSR[8] ; /* Chip Select Register */
at91_reg EBI_RCR ; /* Remap Control Register */
at91_reg EBI_MCR ; /* Memory Control Register */
} StructEBI ;
/*-----------------------*/
/* Chip Select Registers */
/*-----------------------*/
/* Data Bus Width */
#define DataBus16 (1<<0)
#define DataBus8 (2<<0)
#define DBW (3<<0)
/* Number of Wait States */
#define B_NWS 2
#define WaitState1 (0<<B_NWS)
#define WaitState2 (1<<B_NWS)
#define WaitState3 (2<<B_NWS)
#define WaitState4 (3<<B_NWS)
#define WaitState5 (4<<B_NWS)
#define WaitState6 (5<<B_NWS)
#define WaitState7 (6<<B_NWS)
#define WaitState8 (7<<B_NWS)
#define NWS (7<<B_NWS)
/* Wait State Enable */
#define WaitStateDisable (0<<5)
#define WaitStateEnable (1<<5)
#define WSE (1<<5)
/* Page size */
#define PageSize1M (0<<7)
#define PageSize4M (1<<7)
#define PageSize16M (2<<7)
#define PageSize64M (3<<7)
#define PAGES (3<<7)
/* Number of Data Float Output Time Clock Cycle */
#define B_TDF 9
#define tDF_0cycle (0<<B_TDF)
#define tDF_1cycle (1<<B_TDF)
#define tDF_2cycle (2<<B_TDF)
#define tDF_3cycle (3<<B_TDF)
#define tDF_4cycle (4<<B_TDF)
#define tDF_5cycle (5<<B_TDF)
#define tDF_6cycle (6<<B_TDF)
#define tDF_7cycle (7<<B_TDF)
#define TDF (7<<B_TDF)
/* Byte Access Type */
#define ByteWriteAccessType (0<<12)
#define ByteSelectAccessType (1<<12)
#define BAT 1<<12)
/* Chip Select Enable */
#define CSEnable (1<<13)
#define CSDisable (0<<13)
#define CSE (1<<13)
#define BA ((u_int)(0xFFF)<<20)
/*-------------------------*/
/* Memory Control Register */
/*-------------------------*/
/* Address Line Enable */
#define ALE (7<<0)
#define BankSize16M (0<<0)
#define BankSize8M (4<<0)
#define BankSize4M (5<<0)
#define BankSize2M (6<<0)
#define BankSize1M (7<<0)
/* Data Read Protocol */
#define StandardReadProtocol (0<<4)
#define EarlyReadProtocol (1<<4)
#define DRP (1<<4)
/*------------------------*/
/* Remap Control Register */
/*------------------------*/
#define RCB (1<<0)
/*--------------------------------*/
/* Device Dependancies Definition */
/*--------------------------------*/
#ifdef AT91M40400
/* External Bus Interface User Interface BAse Address */
#define EBI_BASE ((StructEBI *) 0xFFE00000)
#endif
#endif /* ebi_h */

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//*---------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*---------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*-----------------------------------------------------------------------------
//* File Name : pio.h
//* Object : Parallel I/O Definition File
//* Translator : ARM Software Development Toolkit V2.11a
//*
//* 1.0 20/10/97 JCZ : Creation
//* 2.0 21/10/98 JCZ : Clean up
//*---------------------------------------------------------------------------
#ifndef pio_h
#define pio_h
/*---------------------------------------------*/
/* Parallel I/O Interface Structure Definition */
/*---------------------------------------------*/
typedef struct
{
at91_reg PIO_PER ; /* PIO Enable Register */
at91_reg PIO_PDR ; /* PIO Disable Register */
at91_reg PIO_PSR ; /* PIO Status Register */
at91_reg Reserved0 ;
at91_reg PIO_OER ; /* Output Enable Register */
at91_reg PIO_ODR ; /* Output Disable Register */
at91_reg PIO_OSR ; /* Output Status Register */
at91_reg Reserved1 ;
at91_reg PIO_IFER ; /* Input Filter Enable Register */
at91_reg PIO_IFDR ; /* Input Filter Disable Register */
at91_reg PIO_IFSR ; /* Input Filter Status Register */
at91_reg Reserved2 ;
at91_reg PIO_SODR ; /* Set Output Data Register */
at91_reg PIO_CODR ; /* Clear Output Data Register */
at91_reg PIO_ODSR ; /* Output Data Status Register */
at91_reg PIO_PDSR ; /* Pin Data Status Register */
at91_reg PIO_IER ; /* Interrupt Enable Register */
at91_reg PIO_IDR ; /* Interrupt Disable Register */
at91_reg PIO_IMR ; /* Interrupt Mask Register */
at91_reg PIO_ISR ; /* Interrupt Status Register */
} StructPIO ;
/*-----------------------------*/
/* PIO Handler type definition */
/*-----------------------------*/
//typedef void (*TypePIOHandler) ( StructPIO *pio_pt, u_int pio_mask ) ;
/*--------------------------------*/
/* Device Dependancies Definition */
/*--------------------------------*/
/* Number of PIO Controller */
#define NB_PIO_CTRL 1
/* Base Address */
#define PIO_BASE ((StructPIO *) 0xFFFF0000 )
/* Number of PIO Lines */
#define NB_PIO 32
/* Parallel I/O Bits Definition */
#define P0 (1<<0)
#define P1 (1<<1)
#define P2 (1<<2)
#define P3 (1<<3)
#define P4 (1<<4)
#define P5 (1<<5)
#define P6 (1<<6)
#define P7 (1<<7)
#define P8 (1<<8)
#define P9 (1<<9)
#define P10 (1<<10)
#define P11 (1<<11)
#define P12 (1<<12)
#define P13 (1<<13)
#define P14 (1<<14)
#define P15 (1<<15)
#define P16 (1<<16)
#define P17 (1<<17)
#define P18 (1<<18)
#define P19 (1<<19)
#define P20 (1<<20)
#define P21 (1<<21)
#define P22 (1<<22)
#define P23 (1<<23)
#define P24 (1<<24)
#define P25 (1<<25)
#define P26 (1<<26)
#define P27 (1<<27)
#define P28 (1<<28)
#define P29 (1<<29)
#define P30 (1<<30)
#define P31 (1<<31)
/* PIO Multiplexing Definition */
/* There is only one PIO Controller */
#define PIO_CTRL 0
#define PIO_TC0 PIO_CTRL
#define TCLK0 P0
#define TIOA0 P1
#define TIOB0 P2
#define PIN_TC0 (TIOA0|TIOB0|TCLK0)
#define PIO_TC1 PIO_CTRL
#define TCLK1 P3
#define TIOA1 P4
#define TIOB1 P5
#define PIN_TC1 (TIOA1|TIOB1|TCLK1)
#define PIO_TC2 PIO_CTRL
#define TCLK2 P6
#define TIOA2 P7
#define TIOB2 P8
#define PIN_TC2 (TIOA2|TIOB2|TCLK2)
#define PIO_EXT_IRQ PIO_CTRL
#define PIN_IRQ0 P9
#define PIN_IRQ1 P10
#define PIN_IRQ2 P11
#define PIN_FIQ P12
#define PIO_USART0 PIO_CTRL
#define SCK0 P13
#define TXD0 P14
#define RXD0 P15
#define PIN_USART0 (SCK0|TXD0|RXD0)
#define PIO_USART1 PIO_CTRL
#define SCK1 P20
#define TXD1 P21
#define RXD1 P22
#define PIN_USART1 (SCK1|TXD1|RXD1)
#define MCKO P25
#define CS2 P26
#define CS3 P27
#define CS4 P31
#define CS5 P30
#define CS6 P29
#define CS7 P28
#endif /* pio_h */

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set USE_THUMB_MODE=NO
set DEBUG=-g
set OPTIM=-O0
set RUN_MODE=RUN_FROM_RAM
set LDSCRIPT=atmel-ram.ld
make

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set USE_THUMB_MODE=YES
set DEBUG=-g
set OPTIM=-O0
set RUN_MODE=RUN_FROM_RAM
set LDSCRIPT=atmel-ram.ld
make

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set USE_THUMB_MODE=NO
set DEBUG=-g
set OPTIM=-O2
set RUN_MODE=RUN_FROM_ROM
set LDSCRIPT=atmel-rom.ld
make

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set USE_THUMB_MODE=YES
set DEBUG=-g
set OPTIM=-O2
set RUN_MODE=RUN_FROM_ROM
set LDSCRIPT=atmel-rom.ld
make

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/*
BASIC INTERRUPT DRIVEN SERIAL PORT DRIVER FOR USART0.
This file contains all the serial port components that can be compiled to
either ARM or THUMB mode. Components that must be compiled to ARM mode are
contained in serialISR.c.
*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "queue.h"
#include "task.h"
/* Demo application includes. */
#include "serial.h"
#include "AT91R40008.h"
#include "usart.h"
#include "pio.h"
#include "aic.h"
/*-----------------------------------------------------------*/
/* Constants to setup and access the UART. */
#define portUSART0_AIC_CHANNEL ( ( unsigned portLONG ) 2 )
#define serINVALID_QUEUE ( ( xQueueHandle ) 0 )
#define serHANDLE ( ( xComPortHandle ) 1 )
#define serNO_BLOCK ( ( portTickType ) 0 )
/*-----------------------------------------------------------*/
/* Queues used to hold received characters, and characters waiting to be
transmitted. */
static xQueueHandle xRxedChars;
static xQueueHandle xCharsForTx;
/*-----------------------------------------------------------*/
/*
* The queues are created in serialISR.c as they are used from the ISR.
* Obtain references to the queues and THRE Empty flag.
*/
extern void vSerialISRCreateQueues( unsigned portBASE_TYPE uxQueueLength, xQueueHandle *pxRxedChars, xQueueHandle *pxCharsForTx );
/*-----------------------------------------------------------*/
xComPortHandle xSerialPortInitMinimal( unsigned portLONG ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
{
unsigned portLONG ulSpeed;
unsigned portLONG ulCD;
xComPortHandle xReturn = serHANDLE;
extern void ( vUART_ISR )( void );
/* The queues are used in the serial ISR routine, so are created from
serialISR.c (which is always compiled to ARM mode. */
vSerialISRCreateQueues( uxQueueLength, &xRxedChars, &xCharsForTx );
if(
( xRxedChars != serINVALID_QUEUE ) &&
( xCharsForTx != serINVALID_QUEUE ) &&
( ulWantedBaud != ( unsigned portLONG ) 0 )
)
{
portENTER_CRITICAL();
{
/* Enable clock to USART0... */
AT91C_BASE_PS->PS_PCER = AT91C_PS_US0;
/* Disable all USART0 interrupt sources to begin... */
AT91C_BASE_US0->US_IDR = 0xFFFFFFFF;
/* Reset various status bits (just in case)... */
AT91C_BASE_US0->US_CR = US_RSTSTA;
AT91C_BASE_PIO->PIO_PDR = TXD0 | RXD0; /* Enable RXD and TXD pins */
AT91C_BASE_US0->US_CR = US_RSTRX | US_RSTTX | US_RXDIS | US_TXDIS;
/* Clear Transmit and Receive Counters */
AT91C_BASE_US0->US_RCR = 0;
AT91C_BASE_US0->US_TCR = 0;
/* Input clock to baud rate generator is MCK */
ulSpeed = configCPU_CLOCK_HZ * 10;
ulSpeed = ulSpeed / 16;
ulSpeed = ulSpeed / ulWantedBaud;
/* compute the error */
ulCD = ulSpeed / 10;
if ((ulSpeed - (ulCD * 10)) >= 5)
ulCD++;
/* Define the baud rate divisor register */
AT91C_BASE_US0->US_BRGR = ulCD;
/* Define the USART mode */
AT91C_BASE_US0->US_MR = US_CLKS_MCK | US_CHRL_8 | US_PAR_NO | US_NBSTOP_1 | US_CHMODE_NORMAL;
/* Write the Timeguard Register */
AT91C_BASE_US0->US_TTGR = 0;
/* Setup the interrupt for USART0.
Store interrupt handler function address in USART0 vector register... */
AT91C_BASE_AIC->AIC_SVR[ portUSART0_AIC_CHANNEL ] = (unsigned long)vUART_ISR;
/* USART0 interrupt level-sensitive, priority 1... */
AT91C_BASE_AIC->AIC_SMR[ portUSART0_AIC_CHANNEL ] = AIC_SRCTYPE_INT_LEVEL_SENSITIVE | 1;
/* Clear some pending USART0 interrupts (just in case)... */
AT91C_BASE_US0->US_CR = US_RSTSTA;
/* Enable USART0 interrupt sources (but not Tx for now)... */
AT91C_BASE_US0->US_IER = US_RXRDY;
/* Enable USART0 interrupts in the AIC... */
AT91C_BASE_AIC->AIC_IECR = ( 1 << portUSART0_AIC_CHANNEL );
/* Enable receiver and transmitter... */
AT91C_BASE_US0->US_CR = US_RXEN | US_TXEN;
}
portEXIT_CRITICAL();
}
else
{
xReturn = ( xComPortHandle ) 0;
}
return xReturn;
}
/*-----------------------------------------------------------*/
signed portBASE_TYPE xSerialGetChar( xComPortHandle pxPort, signed portCHAR *pcRxedChar, portTickType xBlockTime )
{
/* The port handle is not required as this driver only supports UART0. */
( void ) pxPort;
/* Get the next character from the buffer. Return false if no characters
are available, or arrive before xBlockTime expires. */
if( xQueueReceive( xRxedChars, pcRxedChar, xBlockTime ) )
{
return pdTRUE;
}
else
{
return pdFALSE;
}
}
/*-----------------------------------------------------------*/
void vSerialPutString( xComPortHandle pxPort, const signed portCHAR * const pcString, unsigned portSHORT usStringLength )
{
signed portCHAR *pxNext;
/* NOTE: This implementation does not handle the queue being full as no
block time is used! */
/* The port handle is not required as this driver only supports UART0. */
( void ) pxPort;
/* Send each character in the string, one at a time. */
pxNext = ( signed portCHAR * ) pcString;
while( *pxNext )
{
xSerialPutChar( pxPort, *pxNext, serNO_BLOCK );
pxNext++;
}
}
/*-----------------------------------------------------------*/
signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed portCHAR cOutChar, portTickType xBlockTime )
{
/* Place the character in the queue of characters to be transmitted. */
if( xQueueSend( xCharsForTx, &cOutChar, xBlockTime ) != pdPASS )
{
return pdFAIL;
}
/* Turn on the Tx interrupt so the ISR will remove the character from the
queue and send it. This does not need to be in a critical section as
if the interrupt has already removed the character the next interrupt
will simply turn off the Tx interrupt again. */
AT91C_BASE_US0->US_IER = US_TXRDY;
return pdPASS;
}
/*-----------------------------------------------------------*/
void vSerialClose( xComPortHandle xPort )
{
/* Not supported as not required by the demo application. */
}
/*-----------------------------------------------------------*/

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/*
BASIC INTERRUPT DRIVEN SERIAL PORT DRIVER FOR USART0.
This file contains all the serial port components that must be compiled
to ARM mode. The components that can be compiled to either ARM or THUMB
mode are contained in serial.c.
*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "queue.h"
#include "task.h"
/* Demo application includes. */
#include "serial.h"
#include "AT91R40008.h"
#include "usart.h"
/*-----------------------------------------------------------*/
/* Constant to access the AIC. */
#define serCLEAR_AIC_INTERRUPT ( ( unsigned portLONG ) 0 )
/* Constants to determine the ISR source. */
#define serSOURCE_THRE ( ( unsigned portCHAR ) 0x02 )
#define serSOURCE_RX_TIMEOUT ( ( unsigned portCHAR ) 0x0c )
#define serSOURCE_ERROR ( ( unsigned portCHAR ) 0x06 )
#define serSOURCE_RX ( ( unsigned portCHAR ) 0x04 )
#define serINTERRUPT_SOURCE_MASK ( ( unsigned portLONG ) (US_RXRDY | US_TXRDY | US_RXBRK | US_OVRE | US_FRAME | US_PARE) )
/* Queues used to hold received characters, and characters waiting to be
transmitted. */
static xQueueHandle xRxedChars;
static xQueueHandle xCharsForTx;
/*-----------------------------------------------------------*/
/* UART0 interrupt service routine. This can cause a context switch so MUST
be declared "naked". */
void vUART_ISR( void ) __attribute__ ((naked));
/*-----------------------------------------------------------*/
void vSerialISRCreateQueues( unsigned portBASE_TYPE uxQueueLength, xQueueHandle *pxRxedChars, xQueueHandle *pxCharsForTx )
{
/* Create the queues used to hold Rx and Tx characters. */
xRxedChars = xQueueCreate( uxQueueLength, ( unsigned portBASE_TYPE ) sizeof( signed portCHAR ) );
xCharsForTx = xQueueCreate( uxQueueLength + 1, ( unsigned portBASE_TYPE ) sizeof( signed portCHAR ) );
/* Pass back a reference to the queues so the serial API file can
post/receive characters. */
*pxRxedChars = xRxedChars;
*pxCharsForTx = xCharsForTx;
}
/*-----------------------------------------------------------*/
void vUART_ISR( void )
{
/* This ISR can cause a context switch, so the first statement must be a
call to the portENTER_SWITCHING_ISR() macro. This must be BEFORE any
variable declarations. */
portENTER_SWITCHING_ISR();
/* Now we can declare the local variables. */
signed portCHAR cChar;
portBASE_TYPE xTaskWokenByTx = pdFALSE, xTaskWokenByRx = pdFALSE;
unsigned portLONG ulStatus;
/* What caused the interrupt? */
ulStatus = AT91C_BASE_US0->US_CSR & AT91C_BASE_US0->US_IMR;
if (ulStatus & US_TXRDY)
{
/* The interrupt was caused by the THR becoming empty. Are there any
more characters to transmit? */
if( xQueueReceiveFromISR( xCharsForTx, &cChar, &xTaskWokenByTx ) == pdTRUE )
{
/* A character was retrieved from the queue so can be sent to the
THR now. */
AT91C_BASE_US0->US_THR = cChar;
}
else
{
/* Queue empty, nothing to send so turn off the Tx interrupt. */
AT91C_BASE_US0->US_IDR = US_TXRDY;
}
}
if (ulStatus & US_RXRDY)
{
/* The interrupt was caused by the receiver getting data. */
cChar = AT91C_BASE_US0->US_RHR;
if (xQueueSendFromISR(xRxedChars, &cChar, pdFALSE))
{
xTaskWokenByRx = pdTRUE;
}
}
// Acknowledge the interrupt at AIC level...
AT91C_BASE_AIC->AIC_EOICR = serCLEAR_AIC_INTERRUPT;
/* Exit the ISR. If a task was woken by either a character being received
or transmitted then a context switch will occur. */
portEXIT_SWITCHING_ISR( ( xTaskWokenByTx || xTaskWokenByRx ) );
}
/*-----------------------------------------------------------*/

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//*----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*-----------------------------------------------------------------------------
//* File Name : usart.h
//* Object : USART Header File.
//*
//* 1.0 01/04/00 JCZ : Creation
//*----------------------------------------------------------------------------
#ifndef usart_h
#define usart_h
//#include "periph/stdc/std_c.h"
//#include "periph/pio/lib_pio.h"
/*-------------------------------------------*/
/* USART User Interface Structure Definition */
/*-------------------------------------------*/
typedef struct
{
at91_reg US_CR ; /* Control Register */
at91_reg US_MR ; /* Mode Register */
at91_reg US_IER ; /* Interrupt Enable Register */
at91_reg US_IDR ; /* Interrupt Disable Register */
at91_reg US_IMR ; /* Interrupt Mask Register */
at91_reg US_CSR ; /* Channel Status Register */
at91_reg US_RHR ; /* Receive Holding Register */
at91_reg US_THR ; /* Transmit Holding Register */
at91_reg US_BRGR ; /* Baud Rate Generator Register */
at91_reg US_RTOR ; /* Receiver Timeout Register */
at91_reg US_TTGR ; /* Transmitter Time-guard Register */
at91_reg Reserved ;
at91_reg US_RPR ; /* Receiver Pointer Register */
at91_reg US_RCR ; /* Receiver Counter Register */
at91_reg US_TPR ; /* Transmitter Pointer Register */
at91_reg US_TCR ; /* Transmitter Counter Register */
} StructUSART ;
/*--------------------------*/
/* US_CR : Control Register */
/*--------------------------*/
#define US_RSTRX 0x0004 /* Reset Receiver */
#define US_RSTTX 0x0008 /* Reset Transmitter */
#define US_RXEN 0x0010 /* Receiver Enable */
#define US_RXDIS 0x0020 /* Receiver Disable */
#define US_TXEN 0x0040 /* Transmitter Enable */
#define US_TXDIS 0x0080 /* Transmitter Disable */
#define US_RSTSTA 0x0100 /* Reset Status Bits */
#define US_STTBRK 0x0200 /* Start Break */
#define US_STPBRK 0x0400 /* Stop Break */
#define US_STTTO 0x0800 /* Start Time-out */
#define US_SENDA 0x1000 /* Send Address */
/*-----------------------*/
/* US_MR : Mode Register */
/*-----------------------*/
#define US_CLKS 0x0030 /* Clock Selection */
#define US_CLKS_MCK 0x00 /* Master Clock */
#define US_CLKS_MCK8 0x10 /* Master Clock divided by 8 */
#define US_CLKS_SCK 0x20 /* External Clock */
#define US_CLKS_SLCK 0x30 /* Slow Clock */
#define US_CHRL 0x00C0 /* Byte Length */
#define US_CHRL_5 0x00 /* 5 bits */
#define US_CHRL_6 0x40 /* 6 bits */
#define US_CHRL_7 0x80 /* 7 bits */
#define US_CHRL_8 0xC0 /* 8 bits */
#define US_SYNC 0x0100 /* Synchronous Mode Enable */
#define US_PAR 0x0E00 /* Parity Mode */
#define US_PAR_EVEN 0x00 /* Even Parity */
#define US_PAR_ODD 0x200 /* Odd Parity */
#define US_PAR_SPACE 0x400 /* Space Parity to 0 */
#define US_PAR_MARK 0x600 /* Marked Parity to 1 */
#define US_PAR_NO 0x800 /* No Parity */
#define US_PAR_MULTIDROP 0xC00 /* Multi-drop Mode */
#define US_NBSTOP 0x3000 /* Stop Bit Number */
#define US_NBSTOP_1 0x0000 /* 1 Stop Bit */
#define US_NBSTOP_1_5 0x1000 /* 1.5 Stop Bits */
#define US_NBSTOP_2 0x2000 /* 2 Stop Bits */
#define US_CHMODE 0xC000 /* Channel Mode */
#define US_CHMODE_NORMAL 0x0000 /* Normal Mode */
#define US_CHMODE_AUTOMATIC_ECHO 0x4000 /* Automatic Echo */
#define US_CHMODE_LOCAL_LOOPBACK 0x8000 /* Local Loopback */
#define US_CHMODE_REMOTE_LOOPBACK 0xC000 /* Remote Loopback */
#define US_MODE9 0x20000 /* 9 Bit Mode */
#define US_CLKO 0x40000 /* Baud Rate Output Enable */
/* Mode Register model */
/* Standard Asynchronous Mode : 8 bits , 1 stop , no parity */
#define US_ASYNC_MODE ( US_CHMODE_NORMAL + \
US_NBSTOP_1 + \
US_PAR_NO + \
US_CHRL_8 + \
US_CLKS_MCK )
/* Standard External Asynchronous Mode : 8 bits , 1 stop , no parity */
#define US_ASYNC_SCK_MODE ( US_CHMODE_NORMAL + \
US_NBSTOP_1 + \
US_PAR_NO + \
US_CHRL_8 + \
US_CLKS_SCK )
/* Standard Synchronous Mode : 8 bits , 1 stop , no parity */
#define US_SYNC_MODE ( US_SYNC + \
US_CHMODE_NORMAL + \
US_NBSTOP_1 + \
US_PAR_NO + \
US_CHRL_8 + \
US_CLKS_MCK )
/* SCK used Label */
#define SCK_USED (US_CLKO | US_CLKS_SCK)
/*---------------------------------------------------------------*/
/* US_IER, US_IDR, US_IMR, US_IMR: Status and Interrupt Register */
/*---------------------------------------------------------------*/
#define US_RXRDY 0x1 /* Receiver Ready */
#define US_TXRDY 0x2 /* Transmitter Ready */
#define US_RXBRK 0x4 /* Receiver Break */
#define US_ENDRX 0x8 /* End of Receiver PDC Transfer */
#define US_ENDTX 0x10 /* End of Transmitter PDC Transfer */
#define US_OVRE 0x20 /* Overrun Error */
#define US_FRAME 0x40 /* Framing Error */
#define US_PARE 0x80 /* Parity Error */
#define US_TIMEOUT 0x100 /* Receiver Timeout */
#define US_TXEMPTY 0x200 /* Transmitter Empty */
#define US_MASK_IRQ_TX (US_TXRDY | US_ENDTX | US_TXEMPTY)
#define US_MASK_IRQ_RX (US_RXRDY | US_ENDRX | US_TIMEOUT)
#define US_MASK_IRQ_ERROR (US_PARE | US_FRAME | US_OVRE | US_RXBRK)
#endif /* usart_h */

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
#ifndef FREERTOS_CONFIG_H
#define FREERTOS_CONFIG_H
#include <intrinsic.h>
#include "board.h"
/*-----------------------------------------------------------
* Application specific definitions.
*
* These definitions should be adjusted for your particular hardware and
* application requirements.
*
* THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
* FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
*----------------------------------------------------------*/
#define configUSE_PREEMPTION 1
#define configUSE_IDLE_HOOK 0
#define configUSE_TICK_HOOK 0
#define configCPU_CLOCK_HZ ( ( unsigned portLONG ) 47923200 )
#define configTICK_RATE_HZ ( ( portTickType ) 1000 )
#define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 5 )
#define configMINIMAL_STACK_SIZE ( ( unsigned portSHORT ) 100 )
#define configTOTAL_HEAP_SIZE ( ( size_t ) 14200 )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configUSE_TRACE_FACILITY 0
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */
#define INCLUDE_vTaskPrioritySet 1
#define INCLUDE_uxTaskPriorityGet 1
#define INCLUDE_vTaskDelete 0
#define INCLUDE_vTaskCleanUpResources 0
#define INCLUDE_vTaskSuspend 1
#define INCLUDE_vTaskDelayUntil 1
#define INCLUDE_vTaskDelay 1
#endif /* FREERTOS_CONFIG_H */

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
#include "FreeRTOS.h"
#include "partest.h"
#include "board.h"
/*-----------------------------------------------------------
* Simple parallel port IO routines for the LED's.
*-----------------------------------------------------------*/
const unsigned portLONG led_mask[ NB_LED ]= { LED1, LED2, LED3, LED4 };
void vParTestInitialise( void )
{
/* Start with all LED's off. */
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, LED_MASK );
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
if( uxLED < ( portBASE_TYPE ) NB_LED )
{
if( xValue )
{
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, led_mask[ uxLED ] );
}
else
{
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, led_mask[ uxLED ]);
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED < ( portBASE_TYPE ) NB_LED )
{
if( AT91F_PIO_GetInput( AT91C_BASE_PIOA ) & led_mask[ uxLED ] )
{
AT91F_PIO_ClearOutput( AT91C_BASE_PIOA, led_mask[ uxLED ]);
}
else
{
AT91F_PIO_SetOutput( AT91C_BASE_PIOA, led_mask[ uxLED ] );
}
}
}

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/*----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support - ROUSSET -
*----------------------------------------------------------------------------
* The software is delivered "AS IS" without warranty or condition of any
* kind, either express, implied or statutory. This includes without
* limitation any warranty or condition with respect to merchantability or
* fitness for any particular purpose, or against the infringements of
* intellectual property rights of others.
*----------------------------------------------------------------------------
* File Name : Board.h
* Object : AT91SAM7S Evaluation Board Features Definition File.
*
* Creation : JPP 16/Jun/2004
*----------------------------------------------------------------------------
*/
#ifndef Board_h
#define Board_h
#include "AT91SAM7S64.h"
#define __inline inline
#include "lib_AT91SAM7S64.h"
#define true -1
#define false 0
/*-------------------------------*/
/* SAM7Board Memories Definition */
/*-------------------------------*/
// The AT91SAM7S64 embeds a 16-Kbyte SRAM bank, and 64 K-Byte Flash
#define INT_SARM 0x00200000
#define INT_SARM_REMAP 0x00000000
#define INT_FLASH 0x00000000
#define INT_FLASH_REMAP 0x01000000
#define FLASH_PAGE_NB 512
#define FLASH_PAGE_SIZE 128
/*-----------------*/
/* Leds Definition */
/*-----------------*/
/* PIO Flash PA PB PIN */
#define LED1 (1<<0) /* PA0 / PGMEN0 & PWM0 TIOA0 48 */
#define LED2 (1<<1) /* PA1 / PGMEN1 & PWM1 TIOB0 47 */
#define LED3 (1<<2) /* PA2 & PWM2 SCK0 44 */
#define LED4 (1<<3) /* PA3 & TWD NPCS3 43 */
#define NB_LED 4
#define LED_MASK (LED1|LED2|LED3|LED4)
/*-------------------------*/
/* Push Buttons Definition */
/*-------------------------*/
/* PIO Flash PA PB PIN */
#define SW1_MASK (1<<19) /* PA19 / PGMD7 & RK FIQ 13 */
#define SW2_MASK (1<<20) /* PA20 / PGMD8 & RF IRQ0 16 */
#define SW3_MASK (1<<15) /* PA15 / PGM3 & TF TIOA1 20 */
#define SW4_MASK (1<<14) /* PA14 / PGMD2 & SPCK PWM3 21 */
#define SW_MASK (SW1_MASK|SW2_MASK|SW3_MASK|SW4_MASK)
#define SW1 (1<<19) // PA19
#define SW2 (1<<20) // PA20
#define SW3 (1<<15) // PA15
#define SW4 (1<<14) // PA14
/*------------------*/
/* USART Definition */
/*------------------*/
/* SUB-D 9 points J3 DBGU*/
#define DBGU_RXD AT91C_PA9_DRXD /* JP11 must be close */
#define DBGU_TXD AT91C_PA10_DTXD /* JP12 must be close */
#define AT91C_DBGU_BAUD 115200 // Baud rate
#define US_RXD_PIN AT91C_PA5_RXD0 /* JP9 must be close */
#define US_TXD_PIN AT91C_PA6_TXD0 /* JP7 must be close */
#define US_RTS_PIN AT91C_PA7_RTS0 /* JP8 must be close */
#define US_CTS_PIN AT91C_PA8_CTS0 /* JP6 must be close */
/*--------------*/
/* Master Clock */
/*--------------*/
#define EXT_OC 18432000 // Exetrnal ocilator MAINCK
#define MCK 47923200 // MCK (PLLRC div by 2)
#define MCKKHz (MCK/1000) //
#endif /* Board_h */

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;------------------------------------------------------------------------------
;- ATMEL Microcontroller Software Support - ROUSSET -
;------------------------------------------------------------------------------
; The software is delivered "AS IS" without warranty or condition of any
; kind, either express, implied or statutory. This includes without
; limitation any warranty or condition with respect to merchantability or
; fitness for any particular purpose, or against the infringements of
; intellectual property rights of others.
;-----------------------------------------------------------------------------
;- File source : Cstartup.s79
;- Object : Generic CStartup for IAR No Use REMAP
;- Compilation flag : None
;-
;- 1.0 15/Jun/04 JPP : Creation
;------------------------------------------------------------------------------
#include "AT91SAM7S64_inc.h"
;------------------------------------------------------------------------------
;- Area Definition
;------------------------------------------------------------------------------
;---------------------------------------------------------------
; ?RESET
; Reset Vector.
; Normally, segment INTVEC is linked at address 0.
; For debugging purposes, INTVEC may be placed at other
; addresses.
; A debugger that honors the entry point will start the
; program in a normal way even if INTVEC is not at address 0.
;-------------------------------------------------------------
PROGRAM ?RESET
RSEG INTRAMSTART_REMAP
RSEG INTRAMEND_REMAP
EXTERN vPortYieldProcessor
RSEG ICODE:CODE:ROOT(2)
CODE32 ; Always ARM mode after reset
org 0
reset
;------------------------------------------------------------------------------
;- Exception vectors
;--------------------
;- These vectors can be read at address 0 or at RAM address
;- They ABSOLUTELY requires to be in relative addresssing mode in order to
;- guarantee a valid jump. For the moment, all are just looping.
;- If an exception occurs before remap, this would result in an infinite loop.
;- To ensure if a exeption occurs before start application to infinite loop.
;------------------------------------------------------------------------------
B InitReset ; 0x00 Reset handler
undefvec:
B undefvec ; 0x04 Undefined Instruction
swivec:
B vPortYieldProcessor ; 0x08 Software Interrupt
pabtvec:
B pabtvec ; 0x0C Prefetch Abort
dabtvec:
B dabtvec ; 0x10 Data Abort
rsvdvec:
B rsvdvec ; 0x14 reserved
irqvec:
LDR PC, [PC, #-0xF20] ; Jump directly to the address given by the AIC
fiqvec: ; 0x1c FIQ
;------------------------------------------------------------------------------
;- Function : FIQ_Handler_Entry
;- Treatments : FIQ Controller Interrupt Handler.
;- Called Functions : AIC_FVR[interrupt]
;------------------------------------------------------------------------------
FIQ_Handler_Entry:
;- Switch in SVC/User Mode to allow User Stack access for C code
; because the FIQ is not yet acknowledged
;- Save and r0 in FIQ_Register
mov r9,r0
ldr r0 , [r8, #AIC_FVR]
msr CPSR_c,#I_BIT | F_BIT | ARM_MODE_SVC
;- Save scratch/used registers and LR in User Stack
stmfd sp!, { r1-r3, r12, lr}
;- Branch to the routine pointed by the AIC_FVR
mov r14, pc
bx r0
;- Restore scratch/used registers and LR from User Stack
ldmia sp!, { r1-r3, r12, lr}
;- Leave Interrupts disabled and switch back in FIQ mode
msr CPSR_c, #I_BIT | F_BIT | ARM_MODE_FIQ
;- Restore the R0 ARM_MODE_SVC register
mov r0,r9
;- Restore the Program Counter using the LR_fiq directly in the PC
subs pc,lr,#4
InitReset:
;------------------------------------------------------------------------------
;- Low level Init (PMC, AIC, ? ....) by C function AT91F_LowLevelInit
;------------------------------------------------------------------------------
EXTERN AT91F_LowLevelInit
#define __iramend SFB(INTRAMEND_REMAP)
;- minumum C initialization
;- call AT91F_LowLevelInit( void)
ldr r13,=__iramend ; temporary stack in internal RAM
;--Call Low level init function in ABSOLUTE through the Interworking
ldr r0,=AT91F_LowLevelInit
mov lr, pc
bx r0
;------------------------------------------------------------------------------
;- Stack Sizes Definition
;------------------------
;- Interrupt Stack requires 2 words x 8 priority level x 4 bytes when using
;- the vectoring. This assume that the IRQ management.
;- The Interrupt Stack must be adjusted depending on the interrupt handlers.
;- Fast Interrupt not requires stack If in your application it required you must
;- be definehere.
;- The System stack size is not defined and is limited by the free internal
;- SRAM.
;------------------------------------------------------------------------------
;------------------------------------------------------------------------------
;- Top of Stack Definition
;-------------------------
;- Interrupt and Supervisor Stack are located at the top of internal memory in
;- order to speed the exception handling context saving and restoring.
;- ARM_MODE_SVC (Application, C) Stack is located at the top of the external memory.
;------------------------------------------------------------------------------
IRQ_STACK_SIZE EQU 300
ARM_MODE_FIQ EQU 0x11
ARM_MODE_IRQ EQU 0x12
ARM_MODE_SVC EQU 0x13
I_BIT EQU 0x80
F_BIT EQU 0x40
;------------------------------------------------------------------------------
;- Setup the stack for each mode
;-------------------------------
ldr r0, =__iramend
;- Set up Fast Interrupt Mode and set FIQ Mode Stack
msr CPSR_c, #ARM_MODE_FIQ | I_BIT | F_BIT
;- Init the FIQ register
ldr r8, =AT91C_BASE_AIC
;- Set up Interrupt Mode and set IRQ Mode Stack
msr CPSR_c, #ARM_MODE_IRQ | I_BIT | F_BIT
mov r13, r0 ; Init stack IRQ
sub r0, r0, #IRQ_STACK_SIZE
;- Enable interrupt & Set up Supervisor Mode and set Supervisor Mode Stack
msr CPSR_c, #ARM_MODE_SVC
mov r13, r0
;---------------------------------------------------------------
; ?CSTARTUP
;---------------------------------------------------------------
EXTERN __segment_init
EXTERN main
; Initialize segments.
; __segment_init is assumed to use
; instruction set and to be reachable by BL from the ICODE segment
; (it is safest to link them in segment ICODE).
ldr r0,=__segment_init
mov lr, pc
bx r0
PUBLIC __main
?jump_to_main:
ldr lr,=?call_exit
ldr r0,=main
__main:
bx r0
;------------------------------------------------------------------------------
;- Loop for ever
;---------------
;- End of application. Normally, never occur.
;- Could jump on Software Reset ( B 0x0 ).
;------------------------------------------------------------------------------
?call_exit:
End
b End
;---------------------------------------------------------------
; ?EXEPTION_VECTOR
; This module is only linked if needed for closing files.
;---------------------------------------------------------------
PUBLIC AT91F_Default_FIQ_handler
PUBLIC AT91F_Default_IRQ_handler
PUBLIC AT91F_Spurious_handler
CODE32 ; Always ARM mode after exeption
AT91F_Default_FIQ_handler
b AT91F_Default_FIQ_handler
AT91F_Default_IRQ_handler
b AT91F_Default_IRQ_handler
AT91F_Spurious_handler
b AT91F_Spurious_handler
ENDMOD
END

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//*----------------------------------------------------------------------------
//* ATMEL Microcontroller Software Support - ROUSSET -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name : Cstartup_SAM7.c
//* Object : Low level initializations written in C for IAR
//* tools
//* Creation : 12/Jun/04
//*
//*----------------------------------------------------------------------------
// Include the board file description
#include "Board.h"
// The following functions must be write in ARM mode this function called directly
// by exception vector
extern void AT91F_Spurious_handler(void);
extern void AT91F_Default_IRQ_handler(void);
extern void AT91F_Default_FIQ_handler(void);
//*----------------------------------------------------------------------------
//* \fn AT91F_LowLevelInit
//* \brief This function performs very low level HW initialization
//* this function can be use a Stack, depending the compilation
//* optimization mode
//*----------------------------------------------------------------------------
void AT91F_LowLevelInit( void );
void AT91F_LowLevelInit( void) @ "ICODE"
{
int i;
AT91PS_PMC pPMC = AT91C_BASE_PMC;
//* Set Flash Waite sate
// Single Cycle Access at Up to 30 MHz, or 40
// if MCK = 47923200 I have 50 Cycle for 1 useconde ( flied MC_FMR->FMCN
AT91C_BASE_MC->MC_FMR = ((AT91C_MC_FMCN)&(50 <<16)) | AT91C_MC_FWS_1FWS ;
//* Watchdog Disable
AT91C_BASE_WDTC->WDTC_WDMR= AT91C_SYSC_WDDIS;
//* Set MCK at 47 923 200
// 1 Enabling the Main Oscillator:
// SCK = 1/32768 = 30.51 uSeconde
// Start up time = 8 * 6 / SCK = 56 * 30.51 = 1,46484375 ms
pPMC->PMC_MOR = (( AT91C_CKGR_OSCOUNT & (0x06 <<8) | AT91C_CKGR_MOSCEN ));
// Wait the startup time
while(!(pPMC->PMC_SR & AT91C_PMC_MOSCS));
// 2 Checking the Main Oscillator Frequency (Optional)
// 3 Setting PLL and divider:
// - div by 5 Fin = 3,6864 =(18,432 / 5)
// - Mul 25+1: Fout = 95,8464 =(3,6864 *26)
// for 96 MHz the erroe is 0.16%
// Field out NOT USED = 0
// PLLCOUNT pll startup time esrtimate at : 0.844 ms
// PLLCOUNT 28 = 0.000844 /(1/32768)
pPMC->PMC_PLLR = ((AT91C_CKGR_DIV & 0x05) |
(AT91C_CKGR_PLLCOUNT & (28<<8)) |
(AT91C_CKGR_MUL & (25<<16)));
// Wait the startup time
while(!(pPMC->PMC_SR & AT91C_PMC_LOCK));
// 4. Selection of Master Clock and Processor Clock
// select the PLL clock divided by 2
pPMC->PMC_MCKR = AT91C_PMC_CSS_PLL_CLK | AT91C_PMC_PRES_CLK_2 ;
// Enable User Reset and set its minimal assertion to 960 us
AT91C_BASE_RSTC->RSTC_RMR = AT91C_SYSC_URSTEN | (0x4<<8) | (unsigned int) (0xA5<<24);
// Set up the default interrupts handler vectors
AT91C_BASE_AIC->AIC_SVR[0] = (int) AT91F_Default_FIQ_handler ;
for (i=1;i < 31; i++)
{
AT91C_BASE_AIC->AIC_SVR[i] = (int) AT91F_Default_IRQ_handler ;
}
AT91C_BASE_AIC->AIC_SPU = (int) AT91F_Spurious_handler ;
}

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#ifndef USB_DEMO_H
#define USB_DEMO_H
void vUSBDemoTask( void *pvParameters );
#endif

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RSEG ICODE:CODE
CODE32
EXTERN vUSB_ISR
PUBLIC vUSBISREntry
; Wrapper for the USB interrupt service routine. This can cause a
; context switch so requires an assembly wrapper.
; Defines the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
#include "ISR_Support.h"
vUSBISREntry:
portSAVE_CONTEXT ; Save the context of the current task.
bl vUSB_ISR ; Call the ISR routine.
portRESTORE_CONTEXT ; Restore the context of the current task -
; which may be different to the task that
; was interrupted.
END

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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/*
NOTE : Tasks run in system mode and the scheduler runs in Supervisor mode.
The processor MUST be in supervisor mode when vTaskStartScheduler is
called. The demo applications included in the FreeRTOS.org download switch
to supervisor mode prior to main being called. If you are not using one of
these demo application projects then ensure Supervisor mode is used.
*/
/*
* Creates all the demo application tasks, then starts the scheduler. The WEB
* documentation provides more details of the demo application tasks. The SAM7
* includes a sample USB that emulates a Joystick input to a USB host.
*
* Main.c also creates a task called "Check". This only executes every three
* seconds but has the highest priority so is guaranteed to get processor time.
* Its main function is to check that all the other tasks are still operational.
* Each task (other than the "flash" tasks) maintains a unique count that is
* incremented each time the task successfully completes its function. Should
* any error occur within such a task the count is permanently halted. The
* check task inspects the count of each task to ensure it has changed since
* the last time the check task executed. If all the count variables have
* changed all the tasks are still executing error free, and the check task
* toggles the onboard LED. Should any task contain an error at any time
* the LED toggle rate will change from 3 seconds to 500ms.
*
*/
/* Standard includes. */
#include <stdlib.h>
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo application includes. */
#include "flash.h"
#include "integer.h"
#include "PollQ.h"
#include "BlockQ.h"
#include "semtest.h"
#include "dynamic.h"
#include "partest.h"
#include "comtest2.h"
#include "USB/USBSample.h"
/* Priorities for the demo application tasks. */
#define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
#define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
#define mainUSB_PRIORITY ( tskIDLE_PRIORITY + 2 )
/* Constants required by the 'Check' task. */
#define mainNO_ERROR_FLASH_PERIOD ( ( portTickType ) 3000 / portTICK_RATE_MS )
#define mainERROR_FLASH_PERIOD ( ( portTickType ) 500 / portTICK_RATE_MS )
#define mainCHECK_TASK_LED ( 3 )
/* Constants for the ComTest tasks. */
#define mainCOM_TEST_BAUD_RATE ( ( unsigned portLONG ) 115200 )
#define mainCOM_TEST_LED ( 4 ) /* Off the board. */
/*
* The task that executes at the highest priority and calls
* prvCheckOtherTasksAreStillRunning(). See the description at the top
* of the file.
*/
static void vErrorChecks( void *pvParameters );
/*
* Configure the processor for use with the Atmel demo board. Setup is minimal
* as the low level init function (called from the startup asm file) takes care
* of most things.
*/
static void prvSetupHardware( void );
/*
* Checks that all the demo application tasks are still executing without error
* - as described at the top of the file.
*/
static portLONG prvCheckOtherTasksAreStillRunning( void );
/*-----------------------------------------------------------*/
/*
* Starts all the other tasks, then starts the scheduler.
*/
void main( void )
{
/* Setup any hardware that has not already been configured by the low
level init routines. */
prvSetupHardware();
/* Initialise the LED outputs for use by the demo application tasks. */
vParTestInitialise();
/* Start all the standard demo application tasks. */
vStartIntegerMathTasks( tskIDLE_PRIORITY );
vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
vStartDynamicPriorityTasks();
vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainCOM_TEST_BAUD_RATE, mainCOM_TEST_LED );
/* Also start the USB demo which is just for the SAM7. */
xTaskCreate( vUSBDemoTask, "USB", configMINIMAL_STACK_SIZE, NULL, mainUSB_PRIORITY, NULL );
/* Start the check task - which is defined in this file. */
xTaskCreate( vErrorChecks, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
/* Start the scheduler.
NOTE : Tasks run in system mode and the scheduler runs in Supervisor mode.
The processor MUST be in supervisor mode when vTaskStartScheduler is
called. The demo applications included in the FreeRTOS.org download switch
to supervisor mode prior to main being called. If you are not using one of
these demo application projects then ensure Supervisor mode is used here. */
vTaskStartScheduler();
/* We should never get here as control is now taken by the scheduler. */
return;
}
/*-----------------------------------------------------------*/
static void prvSetupHardware( void )
{
/* When using the JTAG debugger the hardware is not always initialised to
the correct default state. This line just ensures that this does not
cause all interrupts to be masked at the start. */
AT91C_BASE_AIC->AIC_EOICR = 0;
/* Most setup is performed by the low level init function called from the
startup asm file. */
/* Configure the PIO Lines corresponding to LED1 to LED4 to be outputs as
well as the UART Tx line. */
AT91F_PIO_CfgOutput( AT91C_BASE_PIOA, LED_MASK );
/* Enable the peripheral clock. */
AT91F_PMC_EnablePeriphClock( AT91C_BASE_PMC, 1 << AT91C_ID_PIOA );
}
/*-----------------------------------------------------------*/
static void vErrorChecks( void *pvParameters )
{
portTickType xDelayPeriod = mainNO_ERROR_FLASH_PERIOD;
/* The parameters are not used in this task. */
( void ) pvParameters;
/* Cycle for ever, delaying then checking all the other tasks are still
operating without error. If an error is detected then the delay period
is decreased from mainNO_ERROR_FLASH_PERIOD to mainERROR_FLASH_PERIOD so
the on board LED flash rate will increase. */
for( ;; )
{
/* Delay until it is time to execute again. */
vTaskDelay( xDelayPeriod );
/* Check all the standard demo application tasks are executing without
error. */
if( prvCheckOtherTasksAreStillRunning() != pdPASS )
{
/* An error has been detected in one of the tasks - flash faster. */
xDelayPeriod = mainERROR_FLASH_PERIOD;
}
vParTestToggleLED( mainCHECK_TASK_LED );
}
}
/*-----------------------------------------------------------*/
static portLONG prvCheckOtherTasksAreStillRunning( void )
{
portLONG lReturn = ( portLONG ) pdPASS;
/* Check all the demo tasks (other than the flash tasks) to ensure
that they are all still running, and that none of them have detected
an error. */
if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xArePollingQueuesStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreSemaphoreTasksStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreBlockingQueuesStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreComTestTasksStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
{
lReturn = ( portLONG ) pdFAIL;
}
return lReturn;
}
/*-----------------------------------------------------------*/

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Demo/ARM7_AT91SAM7S64_IAR/resource/SAM7.mac Normal file
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@ -0,0 +1,180 @@
// ---------------------------------------------------------
// ATMEL Microcontroller Software Support - ROUSSET -
// ---------------------------------------------------------
// The software is delivered "AS IS" without warranty or
// condition of any kind, either express, implied or
// statutory. This includes without limitation any warranty
// or condition with respect to merchantability or fitness
// for any particular purpose, or against the infringements of
// intellectual property rights of others.
// ---------------------------------------------------------
// File: SAM7.mac
//
// User setup file for CSPY debugger to simulate interrupt
// driven Fibonacchi data input.
// 1.1 16/Jun/04 JPP : Creation
//
// $Revision: 1.3 $
//
// ---------------------------------------------------------
__var i;
__var pt;
execUserPreload()
{
//* Set the RAM memory at 0x0020 0000 for code AT 0 flash area
CheckRemap();
//* Get the Chip ID (AT91C_DBGU_C1R & AT91C_DBGU_C2R
i=__readMemory32(0xFFFFF240,"Memory");
__message " ---------------------------------------- Chip ID 0x",i:%X;
i=__readMemory32(0xFFFFF244,"Memory");
__message " ---------------------------------------- Extention 0x",i:%X;
//* Get the chip status
//* Init AIC
AIC();
//* Watchdog Disable
Watchdog();
}
//-----------------------------------------------------------------------------
// Watchdog
//-------------------------------
// Normally, the Watchdog is enable at the reset for load it's preferable to
// Disable.
//-----------------------------------------------------------------------------
Watchdog()
{
//* Watchdog Disable
// AT91C_BASE_WDTC->WDTC_WDMR= AT91C_SYSC_WDDIS;
__writeMemory32(0x00008000,0xFFFFFD44,"Memory");
__message "------------------------------- Watchdog Disable ----------------------------------------";
}
//-----------------------------------------------------------------------------
// Check Remap
//-------------
//-----------------------------------------------------------------------------
CheckRemap()
{
//* Read the value at 0x0
i=__readMemory32(0x00000000,"Memory");
i=i+1;
__writeMemory32(i,0x00,"Memory");
pt=__readMemory32(0x00000000,"Memory");
if (i == pt)
{
__message "------------------------------- The Remap is done ----------------------------------------";
//* Toggel RESET The remap
__writeMemory32(0x00000001,0xFFFFFF00,"Memory");
} else {
__message "------------------------------- The Remap is NOT -----------------------------------------";
}
}
execUserSetup()
{
ini();
__message "-------------------------------Set PC ----------------------------------------";
__writeMemory32(0x00000000,0xB4,"Register");
}
//-----------------------------------------------------------------------------
// Reset the Interrupt Controller
//-------------------------------
// Normally, the code is executed only if a reset has been actually performed.
// So, the AIC initialization resumes at setting up the default vectors.
//-----------------------------------------------------------------------------
AIC()
{
// Mask All interrupt pAic->AIC_IDCR = 0xFFFFFFFF;
__writeMemory32(0xFFFFFFFF,0xFFFFF124,"Memory");
for (i=0;i < 8; i++)
{
// AT91C_BASE_AIC->AIC_EOICR
pt = __readMemory32(0xFFFFF130,"Memory");
}
__message "------------------------------- AIC INIT ---------------------------------------------";
}
ini()
{
__writeMemory32(0x0,0x00,"Register");
__writeMemory32(0x0,0x04,"Register");
__writeMemory32(0x0,0x08,"Register");
__writeMemory32(0x0,0x0C,"Register");
__writeMemory32(0x0,0x10,"Register");
__writeMemory32(0x0,0x14,"Register");
__writeMemory32(0x0,0x18,"Register");
__writeMemory32(0x0,0x1C,"Register");
__writeMemory32(0x0,0x20,"Register");
__writeMemory32(0x0,0x24,"Register");
__writeMemory32(0x0,0x28,"Register");
__writeMemory32(0x0,0x2C,"Register");
__writeMemory32(0x0,0x30,"Register");
__writeMemory32(0x0,0x34,"Register");
__writeMemory32(0x0,0x38,"Register");
// Set CPSR
__writeMemory32(0x0D3,0x98,"Register");
}
RG()
{
i=__readMemory32(0x00,"Register"); __message "R00 0x",i:%X;
i=__readMemory32(0x04,"Register"); __message "R01 0x",i:%X;
i=__readMemory32(0x08,"Register"); __message "R02 0x",i:%X;
i=__readMemory32(0x0C,"Register"); __message "R03 0x",i:%X;
i=__readMemory32(0x10,"Register"); __message "R04 0x",i:%X;
i=__readMemory32(0x14,"Register"); __message "R05 0x",i:%X;
i=__readMemory32(0x18,"Register"); __message "R06 0x",i:%X;
i=__readMemory32(0x1C,"Register"); __message "R07 0x",i:%X;
i=__readMemory32(0x20,"Register"); __message "R08 0x",i:%X;
i=__readMemory32(0x24,"Register"); __message "R09 0x",i:%X;
i=__readMemory32(0x28,"Register"); __message "R10 0x",i:%X;
i=__readMemory32(0x2C,"Register"); __message "R11 0x",i:%X;
i=__readMemory32(0x30,"Register"); __message "R12 0x",i:%X;
i=__readMemory32(0x34,"Register"); __message "R13 0x",i:%X;
i=__readMemory32(0x38,"Register"); __message "R14 0x",i:%X;
i=__readMemory32(0x3C,"Register"); __message "R13 SVC 0x",i:%X;
i=__readMemory32(0x40,"Register"); __message "R14 SVC 0x",i:%X;
i=__readMemory32(0x44,"Register"); __message "R13 ABT 0x",i:%X;
i=__readMemory32(0x48,"Register"); __message "R14 ABT 0x",i:%X;
i=__readMemory32(0x4C,"Register"); __message "R13 UND 0x",i:%X;
i=__readMemory32(0x50,"Register"); __message "R14 UND 0x",i:%X;
i=__readMemory32(0x54,"Register"); __message "R13 IRQ 0x",i:%X;
i=__readMemory32(0x58,"Register"); __message "R14 IRQ 0x",i:%X;
i=__readMemory32(0x5C,"Register"); __message "R08 FIQ 0x",i:%X;
i=__readMemory32(0x60,"Register"); __message "R09 FIQ 0x",i:%X;
i=__readMemory32(0x64,"Register"); __message "R10 FIQ 0x",i:%X;
i=__readMemory32(0x68,"Register"); __message "R11 FIQ 0x",i:%X;
i=__readMemory32(0x6C,"Register"); __message "R12 FIQ 0x",i:%X;
i=__readMemory32(0x70,"Register"); __message "R13 FIQ 0x",i:%X;
i=__readMemory32(0x74,"Register"); __message "R14 FIQ0x",i:%X;
i=__readMemory32(0x98,"Register"); __message "CPSR ",i:%X;
i=__readMemory32(0x94,"Register"); __message "SPSR ",i:%X;
i=__readMemory32(0x9C,"Register"); __message "SPSR ABT ",i:%X;
i=__readMemory32(0xA0,"Register"); __message "SPSR ABT ",i:%X;
i=__readMemory32(0xA4,"Register"); __message "SPSR UND ",i:%X;
i=__readMemory32(0xA8,"Register"); __message "SPSR IRQ ",i:%X;
i=__readMemory32(0xAC,"Register"); __message "SPSR FIQ ",i:%X;
i=__readMemory32(0xB4,"Register"); __message "PC 0x",i:%X;
}

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