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https://github.com/qmk/qmk_firmware
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add initial files from teensy's usb_keyboard_debug.
This commit is contained in:
tmk
commit
ac3134ffeb
137
example.c
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137
example.c
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/* Keyboard example with debug channel, for Teensy USB Development Board
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* http://www.pjrc.com/teensy/usb_keyboard.html
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* Copyright (c) 2008 PJRC.COM, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "usb_keyboard_debug.h"
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#include "print.h"
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#define LED_CONFIG (DDRD |= (1<<6))
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#define LED_ON (PORTD &= ~(1<<6))
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#define LED_OFF (PORTD |= (1<<6))
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#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
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uint8_t number_keys[10]=
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{KEY_0,KEY_1,KEY_2,KEY_3,KEY_4,KEY_5,KEY_6,KEY_7,KEY_8,KEY_9};
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uint16_t idle_count=0;
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int main(void)
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{
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uint8_t b, d, mask, i, reset_idle;
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uint8_t b_prev=0xFF, d_prev=0xFF;
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// set for 16 MHz clock
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CPU_PRESCALE(0);
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// Configure all port B and port D pins as inputs with pullup resistors.
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// See the "Using I/O Pins" page for details.
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// http://www.pjrc.com/teensy/pins.html
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DDRD = 0x00;
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DDRB = 0x00;
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PORTB = 0xFF;
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PORTD = 0xFF;
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// Initialize the USB, and then wait for the host to set configuration.
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// If the Teensy is powered without a PC connected to the USB port,
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// this will wait forever.
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usb_init();
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while (!usb_configured()) /* wait */ ;
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// Wait an extra second for the PC's operating system to load drivers
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// and do whatever it does to actually be ready for input
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_delay_ms(1000);
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// Configure timer 0 to generate a timer overflow interrupt every
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// 256*1024 clock cycles, or approx 61 Hz when using 16 MHz clock
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// This demonstrates how to use interrupts to implement a simple
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// inactivity timeout.
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TCCR0A = 0x00;
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TCCR0B = 0x05;
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TIMSK0 = (1<<TOIE0);
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print("Begin keyboard example program\n");
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print("All Port B or Port D pins are inputs with pullup resistors.\n");
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print("Any connection to ground on Port B or D pins will result in\n");
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print("keystrokes sent to the PC (and debug messages here).\n");
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while (1) {
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// read all port B and port D pins
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b = PINB;
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d = PIND;
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// check if any pins are low, but were high previously
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mask = 1;
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reset_idle = 0;
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for (i=0; i<8; i++) {
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if (((b & mask) == 0) && (b_prev & mask) != 0) {
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usb_keyboard_press(KEY_B, KEY_SHIFT);
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usb_keyboard_press(number_keys[i], 0);
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print("Port B, bit ");
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phex(i);
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print("\n");
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reset_idle = 1;
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}
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if (((d & mask) == 0) && (d_prev & mask) != 0) {
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usb_keyboard_press(KEY_D, KEY_SHIFT);
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usb_keyboard_press(number_keys[i], 0);
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print("Port D, bit ");
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phex(i);
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print("\n");
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reset_idle = 1;
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}
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mask = mask << 1;
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}
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// if any keypresses were detected, reset the idle counter
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if (reset_idle) {
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// variables shared with interrupt routines must be
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// accessed carefully so the interrupt routine doesn't
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// try to use the variable in the middle of our access
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cli();
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idle_count = 0;
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sei();
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}
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// now the current pins will be the previous, and
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// wait a short delay so we're not highly sensitive
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// to mechanical "bounce".
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b_prev = b;
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d_prev = d;
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_delay_ms(2);
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}
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}
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// This interrupt routine is run approx 61 times per second.
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// A very simple inactivity timeout is implemented, where we
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// will send a space character and print a message to the
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// hid_listen debug message window.
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ISR(TIMER0_OVF_vect)
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{
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idle_count++;
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if (idle_count > 61 * 8) {
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idle_count = 0;
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print("Timer Event :)\n");
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usb_keyboard_press(KEY_SPACE, 0);
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}
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}
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62
print.c
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62
print.c
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/* Very basic print functions, intended to be used with usb_debug_only.c
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* http://www.pjrc.com/teensy/
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* Copyright (c) 2008 PJRC.COM, LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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// Version 1.0: Initial Release
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include "print.h"
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void print_P(const char *s)
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{
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char c;
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while (1) {
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c = pgm_read_byte(s++);
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if (!c) break;
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if (c == '\n') usb_debug_putchar('\r');
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usb_debug_putchar(c);
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}
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}
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void phex1(unsigned char c)
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{
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usb_debug_putchar(c + ((c < 10) ? '0' : 'A' - 10));
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}
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void phex(unsigned char c)
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{
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phex1(c >> 4);
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phex1(c & 15);
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}
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void phex16(unsigned int i)
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{
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phex(i >> 8);
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phex(i);
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}
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16
print.h
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16
print.h
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#ifndef print_h__
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#define print_h__
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#include <avr/pgmspace.h>
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#include "usb_keyboard_debug.h"
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// this macro allows you to write print("some text") and
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// the string is automatically placed into flash memory :)
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#define print(s) print_P(PSTR(s))
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#define pchar(c) usb_debug_putchar(c)
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void print_P(const char *s);
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void phex(unsigned char c);
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void phex16(unsigned int i);
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#endif
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750
usb_keyboard_debug.c
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750
usb_keyboard_debug.c
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File diff suppressed because it is too large
Load Diff
203
usb_keyboard_debug.h
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203
usb_keyboard_debug.h
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#ifndef usb_serial_h__
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#define usb_serial_h__
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#include <stdint.h>
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void usb_init(void); // initialize everything
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uint8_t usb_configured(void); // is the USB port configured
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int8_t usb_keyboard_press(uint8_t key, uint8_t modifier);
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int8_t usb_keyboard_send(void);
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extern uint8_t keyboard_modifier_keys;
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extern uint8_t keyboard_keys[6];
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extern volatile uint8_t keyboard_leds;
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int8_t usb_debug_putchar(uint8_t c); // transmit a character
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void usb_debug_flush_output(void); // immediately transmit any buffered output
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#define USB_DEBUG_HID
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#define KEY_CTRL 0x01
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#define KEY_SHIFT 0x02
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#define KEY_ALT 0x04
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#define KEY_GUI 0x08
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#define KEY_LEFT_CTRL 0x01
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#define KEY_LEFT_SHIFT 0x02
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#define KEY_LEFT_ALT 0x04
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#define KEY_LEFT_GUI 0x08
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#define KEY_RIGHT_CTRL 0x10
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#define KEY_RIGHT_SHIFT 0x20
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#define KEY_RIGHT_ALT 0x40
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#define KEY_RIGHT_GUI 0x80
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#define KEY_A 4
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#define KEY_B 5
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#define KEY_C 6
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#define KEY_D 7
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#define KEY_E 8
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#define KEY_F 9
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#define KEY_G 10
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#define KEY_H 11
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#define KEY_I 12
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#define KEY_J 13
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#define KEY_K 14
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#define KEY_L 15
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#define KEY_M 16
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#define KEY_N 17
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#define KEY_O 18
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#define KEY_P 19
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#define KEY_Q 20
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#define KEY_R 21
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#define KEY_S 22
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#define KEY_T 23
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#define KEY_U 24
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#define KEY_V 25
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#define KEY_W 26
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#define KEY_X 27
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#define KEY_Y 28
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#define KEY_Z 29
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#define KEY_1 30
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#define KEY_2 31
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#define KEY_3 32
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#define KEY_4 33
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#define KEY_5 34
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#define KEY_6 35
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#define KEY_7 36
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#define KEY_8 37
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#define KEY_9 38
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#define KEY_0 39
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#define KEY_ENTER 40
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#define KEY_ESC 41
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#define KEY_BACKSPACE 42
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#define KEY_TAB 43
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#define KEY_SPACE 44
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#define KEY_MINUS 45
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#define KEY_EQUAL 46
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#define KEY_LEFT_BRACE 47
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#define KEY_RIGHT_BRACE 48
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#define KEY_BACKSLASH 49
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#define KEY_NUMBER 50
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#define KEY_SEMICOLON 51
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#define KEY_QUOTE 52
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#define KEY_TILDE 53
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#define KEY_COMMA 54
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#define KEY_PERIOD 55
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#define KEY_SLASH 56
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#define KEY_CAPS_LOCK 57
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#define KEY_F1 58
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#define KEY_F2 59
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#define KEY_F3 60
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#define KEY_F4 61
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#define KEY_F5 62
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#define KEY_F6 63
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#define KEY_F7 64
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#define KEY_F8 65
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#define KEY_F9 66
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#define KEY_F10 67
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#define KEY_F11 68
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#define KEY_F12 69
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#define KEY_PRINTSCREEN 70
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#define KEY_SCROLL_LOCK 71
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#define KEY_PAUSE 72
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#define KEY_INSERT 73
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#define KEY_HOME 74
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#define KEY_PAGE_UP 75
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#define KEY_DELETE 76
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#define KEY_END 77
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#define KEY_PAGE_DOWN 78
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#define KEY_RIGHT 79
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#define KEY_LEFT 80
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#define KEY_DOWN 81
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#define KEY_UP 82
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#define KEY_NUM_LOCK 83
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#define KEYPAD_SLASH 84
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#define KEYPAD_ASTERIX 85
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#define KEYPAD_MINUS 86
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#define KEYPAD_PLUS 87
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#define KEYPAD_ENTER 88
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#define KEYPAD_1 89
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#define KEYPAD_2 90
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#define KEYPAD_3 91
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#define KEYPAD_4 92
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#define KEYPAD_5 93
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#define KEYPAD_6 94
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#define KEYPAD_7 95
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#define KEYPAD_8 96
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#define KEYPAD_9 97
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#define KEYPAD_0 98
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#define KEYPAD_PERIOD 99
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// Everything below this point is only intended for usb_serial.c
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#ifdef USB_SERIAL_PRIVATE_INCLUDE
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#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#define EP_TYPE_CONTROL 0x00
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#define EP_TYPE_BULK_IN 0x81
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#define EP_TYPE_BULK_OUT 0x80
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#define EP_TYPE_INTERRUPT_IN 0xC1
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#define EP_TYPE_INTERRUPT_OUT 0xC0
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#define EP_TYPE_ISOCHRONOUS_IN 0x41
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#define EP_TYPE_ISOCHRONOUS_OUT 0x40
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#define EP_SINGLE_BUFFER 0x02
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#define EP_DOUBLE_BUFFER 0x06
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#define EP_SIZE(s) ((s) == 64 ? 0x30 : \
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((s) == 32 ? 0x20 : \
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((s) == 16 ? 0x10 : \
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0x00)))
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#define MAX_ENDPOINT 4
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#define LSB(n) (n & 255)
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#define MSB(n) ((n >> 8) & 255)
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#if defined(__AVR_AT90USB162__)
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#define HW_CONFIG()
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#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
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#define USB_CONFIG() (USBCON = (1<<USBE))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#elif defined(__AVR_ATmega32U4__)
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#define HW_CONFIG() (UHWCON = 0x01)
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#define PLL_CONFIG() (PLLCSR = 0x12)
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#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#elif defined(__AVR_AT90USB646__)
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#define HW_CONFIG() (UHWCON = 0x81)
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#define PLL_CONFIG() (PLLCSR = 0x1A)
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#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#elif defined(__AVR_AT90USB1286__)
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#define HW_CONFIG() (UHWCON = 0x81)
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#define PLL_CONFIG() (PLLCSR = 0x16)
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#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
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#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
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#endif
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// standard control endpoint request types
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#define GET_STATUS 0
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#define CLEAR_FEATURE 1
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#define SET_FEATURE 3
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#define SET_ADDRESS 5
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#define GET_DESCRIPTOR 6
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#define GET_CONFIGURATION 8
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#define SET_CONFIGURATION 9
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#define GET_INTERFACE 10
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#define SET_INTERFACE 11
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// HID (human interface device)
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#define HID_GET_REPORT 1
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#define HID_GET_IDLE 2
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#define HID_GET_PROTOCOL 3
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#define HID_SET_REPORT 9
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#define HID_SET_IDLE 10
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#define HID_SET_PROTOCOL 11
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// CDC (communication class device)
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#define CDC_SET_LINE_CODING 0x20
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#define CDC_GET_LINE_CODING 0x21
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#define CDC_SET_CONTROL_LINE_STATE 0x22
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#endif
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#endif
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