is31fl3737/3741: add LED Matrix support (#22163)
This commit is contained in:
Ryan
@@ -0,0 +1,219 @@
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/* Copyright 2017 Jason Williams
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* Copyright 2018 Jack Humbert
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* Copyright 2018 Yiancar
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* Copyright 2021 Doni Crosby
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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||||
* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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||||
*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "is31fl3737-simple.h"
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#include <string.h>
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#include "i2c_master.h"
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#include "wait.h"
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#define IS31FL3737_COMMANDREGISTER 0xFD
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#define IS31FL3737_COMMANDREGISTER_WRITELOCK 0xFE
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#define IS31FL3737_INTERRUPTMASKREGISTER 0xF0
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#define IS31FL3737_INTERRUPTSTATUSREGISTER 0xF1
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#define IS31FL3737_PAGE_LEDCONTROL 0x00 // PG0
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#define IS31FL3737_PAGE_PWM 0x01 // PG1
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#define IS31FL3737_PAGE_AUTOBREATH 0x02 // PG2
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#define IS31FL3737_PAGE_FUNCTION 0x03 // PG3
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#define IS31FL3737_REG_CONFIGURATION 0x00 // PG3
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#define IS31FL3737_REG_GLOBALCURRENT 0x01 // PG3
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#define IS31FL3737_REG_RESET 0x11 // PG3
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#define IS31FL3737_REG_SWPULLUP 0x0F // PG3
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#define IS31FL3737_REG_CSPULLUP 0x10 // PG3
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#ifndef IS31FL3737_I2C_TIMEOUT
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# define IS31FL3737_I2C_TIMEOUT 100
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#endif
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#ifndef IS31FL3737_I2C_PERSISTENCE
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# define IS31FL3737_I2C_PERSISTENCE 0
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#endif
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#ifndef IS31FL3737_PWM_FREQUENCY
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# define IS31FL3737_PWM_FREQUENCY IS31FL3737_PWM_FREQUENCY_8K4_HZ // PFS - IS31FL3737B only
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#endif
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#ifndef IS31FL3737_SWPULLUP
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# define IS31FL3737_SWPULLUP IS31FL3737_PUR_0R
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#endif
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#ifndef IS31FL3737_CSPULLUP
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# define IS31FL3737_CSPULLUP IS31FL3737_PUR_0R
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#endif
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#ifndef IS31FL3737_GLOBALCURRENT
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# define IS31FL3737_GLOBALCURRENT 0xFF
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#endif
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// Transfer buffer for TWITransmitData()
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uint8_t g_twi_transfer_buffer[20];
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// These buffers match the IS31FL3737 PWM registers.
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// The control buffers match the PG0 LED On/Off registers.
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// Storing them like this is optimal for I2C transfers to the registers.
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// We could optimize this and take out the unused registers from these
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// buffers and the transfers in is31fl3737_write_pwm_buffer() but it's
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// probably not worth the extra complexity.
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uint8_t g_pwm_buffer[IS31FL3737_DRIVER_COUNT][192];
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bool g_pwm_buffer_update_required[IS31FL3737_DRIVER_COUNT] = {false};
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uint8_t g_led_control_registers[IS31FL3737_DRIVER_COUNT][24] = {0};
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bool g_led_control_registers_update_required[IS31FL3737_DRIVER_COUNT] = {false};
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void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
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g_twi_transfer_buffer[0] = reg;
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g_twi_transfer_buffer[1] = data;
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#if IS31FL3737_I2C_PERSISTENCE > 0
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for (uint8_t i = 0; i < IS31FL3737_I2C_PERSISTENCE; i++) {
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if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT) == 0) break;
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}
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#else
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i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3737_I2C_TIMEOUT);
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#endif
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}
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void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
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// assumes PG1 is already selected
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// transmit PWM registers in 12 transfers of 16 bytes
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// g_twi_transfer_buffer[] is 20 bytes
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// iterate over the pwm_buffer contents at 16 byte intervals
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for (int i = 0; i < 192; i += 16) {
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g_twi_transfer_buffer[0] = i;
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// copy the data from i to i+15
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// device will auto-increment register for data after the first byte
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// thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer
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memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 16);
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#if IS31FL3737_I2C_PERSISTENCE > 0
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for (uint8_t i = 0; i < IS31FL3737_I2C_PERSISTENCE; i++) {
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if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT) == 0) break;
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}
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#else
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i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3737_I2C_TIMEOUT);
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#endif
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}
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}
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void is31fl3737_init(uint8_t addr) {
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// In order to avoid the LEDs being driven with garbage data
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// in the LED driver's PWM registers, shutdown is enabled last.
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// Set up the mode and other settings, clear the PWM registers,
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// then disable software shutdown.
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// Unlock the command register.
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
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// Select PG0
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
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// Turn off all LEDs.
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for (int i = 0x00; i <= 0x17; i++) {
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is31fl3737_write_register(addr, i, 0x00);
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}
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// Unlock the command register.
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
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// Select PG1
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
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// Set PWM on all LEDs to 0
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// No need to setup Breath registers to PWM as that is the default.
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for (int i = 0x00; i <= 0xBF; i++) {
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is31fl3737_write_register(addr, i, 0x00);
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}
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// Unlock the command register.
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
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// Select PG3
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_FUNCTION);
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// Set de-ghost pull-up resistors (SWx)
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is31fl3737_write_register(addr, IS31FL3737_REG_SWPULLUP, IS31FL3737_SWPULLUP);
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// Set de-ghost pull-down resistors (CSx)
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is31fl3737_write_register(addr, IS31FL3737_REG_CSPULLUP, IS31FL3737_CSPULLUP);
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// Set global current to maximum.
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is31fl3737_write_register(addr, IS31FL3737_REG_GLOBALCURRENT, IS31FL3737_GLOBALCURRENT);
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// Disable software shutdown.
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is31fl3737_write_register(addr, IS31FL3737_REG_CONFIGURATION, ((IS31FL3737_PWM_FREQUENCY & 0b111) << 3) | 0x01);
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// Wait 10ms to ensure the device has woken up.
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wait_ms(10);
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}
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void is31fl3737_set_value(int index, uint8_t value) {
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is31_led led;
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if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
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memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
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if (g_pwm_buffer[led.driver][led.v] == value) {
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return;
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}
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g_pwm_buffer[led.driver][led.v] = value;
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g_pwm_buffer_update_required[led.driver] = true;
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}
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}
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void is31fl3737_set_value_all(uint8_t value) {
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for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
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is31fl3737_set_value(i, value);
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}
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}
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void is31fl3737_set_led_control_register(uint8_t index, bool value) {
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is31_led led;
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memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
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uint8_t control_register = led.v / 8;
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uint8_t bit_value = led.v % 8;
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if (value) {
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g_led_control_registers[led.driver][control_register] |= (1 << bit_value);
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} else {
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g_led_control_registers[led.driver][control_register] &= ~(1 << bit_value);
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}
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g_led_control_registers_update_required[led.driver] = true;
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}
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void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index) {
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if (g_pwm_buffer_update_required[index]) {
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// Firstly we need to unlock the command register and select PG1
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_PWM);
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is31fl3737_write_pwm_buffer(addr, g_pwm_buffer[index]);
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g_pwm_buffer_update_required[index] = false;
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}
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}
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void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index) {
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if (g_led_control_registers_update_required[index]) {
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// Firstly we need to unlock the command register and select PG0
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER_WRITELOCK, 0xC5);
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is31fl3737_write_register(addr, IS31FL3737_COMMANDREGISTER, IS31FL3737_PAGE_LEDCONTROL);
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for (int i = 0; i < 24; i++) {
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is31fl3737_write_register(addr, i, g_led_control_registers[index][i]);
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}
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g_led_control_registers_update_required[index] = false;
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}
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}
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@@ -0,0 +1,256 @@
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/* Copyright 2017 Jason Williams
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* Copyright 2018 Jack Humbert
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* Copyright 2018 Yiancar
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* Copyright 2021 Doni Crosby
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*
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* This program is free software: you can redistribute it and/or modify
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* 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.
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||||
*
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||||
* This program 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "progmem.h"
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// ======== DEPRECATED DEFINES - DO NOT USE ========
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#ifdef DRIVER_COUNT
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# define IS31FL3737_DRIVER_COUNT DRIVER_COUNT
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#endif
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#ifdef ISSI_TIMEOUT
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# define IS31FL3737_I2C_TIMEOUT ISSI_TIMEOUT
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#endif
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#ifdef ISSI_PERSISTENCE
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# define IS31FL3737_I2C_PERSISTENCE ISSI_PERSISTENCE
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#endif
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#ifdef ISSI_PWM_FREQUENCY
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# define IS31FL3737_PWM_FREQUENCY ISSI_PWM_FREQUENCY
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#endif
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#ifdef ISSI_SWPULLUP
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# define IS31FL3737_SWPULLUP ISSI_SWPULLUP
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#endif
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#ifdef ISSI_CSPULLUP
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# define IS31FL3737_CSPULLUP ISSI_CSPULLUP
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#endif
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#ifdef ISSI_GLOBALCURRENT
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# define IS31FL3737_GLOBALCURRENT ISSI_GLOBALCURRENT
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#endif
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#define PUR_0R IS31FL3737_PUR_0R
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#define PUR_05KR IS31FL3737_PUR_05KR
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#define PUR_1KR IS31FL3737_PUR_1KR
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#define PUR_2KR IS31FL3737_PUR_2KR
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#define PUR_4KR IS31FL3737_PUR_4KR
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#define PUR_8KR IS31FL3737_PUR_8KR
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#define PUR_16KR IS31FL3737_PUR_16KR
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#define PUR_32KR IS31FL3737_PUR_32KR
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// ========
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#define IS31FL3737_I2C_ADDRESS_GND 0x50
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#define IS31FL3737_I2C_ADDRESS_SCL 0x55
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#define IS31FL3737_I2C_ADDRESS_SDA 0x5A
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#define IS31FL3737_I2C_ADDRESS_VCC 0x5F
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typedef struct is31_led {
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uint8_t driver : 2;
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uint8_t v;
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} __attribute__((packed)) is31_led;
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extern const is31_led PROGMEM g_is31_leds[LED_MATRIX_LED_COUNT];
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void is31fl3737_init(uint8_t addr);
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void is31fl3737_write_register(uint8_t addr, uint8_t reg, uint8_t data);
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void is31fl3737_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer);
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void is31fl3737_set_value(int index, uint8_t value);
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void is31fl3737_set_value_all(uint8_t value);
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void is31fl3737_set_led_control_register(uint8_t index, bool value);
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// This should not be called from an interrupt
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// (eg. from a timer interrupt).
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// Call this while idle (in between matrix scans).
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// If the buffer is dirty, it will update the driver with the buffer.
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void is31fl3737_update_pwm_buffers(uint8_t addr, uint8_t index);
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void is31fl3737_update_led_control_registers(uint8_t addr, uint8_t index);
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#define IS31FL3737_PUR_0R 0x00 // No PUR resistor
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#define IS31FL3737_PUR_05KR 0x01 // 0.5k Ohm resistor in t_NOL
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#define IS31FL3737_PUR_1KR 0x02 // 1.0k Ohm resistor in t_NOL
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#define IS31FL3737_PUR_2KR 0x03 // 2.0k Ohm resistor in t_NOL
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#define IS31FL3737_PUR_4KR 0x04 // 4.0k Ohm resistor in t_NOL
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#define IS31FL3737_PUR_8KR 0x05 // 8.0k Ohm resistor in t_NOL
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#define IS31FL3737_PUR_16KR 0x06 // 16k Ohm resistor in t_NOL
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#define IS31FL3737_PUR_32KR 0x07 // 32k Ohm resistor in t_NOL
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#define IS31FL3737_PWM_FREQUENCY_8K4_HZ 0b000
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#define IS31FL3737_PWM_FREQUENCY_4K2_HZ 0b001
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#define IS31FL3737_PWM_FREQUENCY_26K7_HZ 0b010
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#define IS31FL3737_PWM_FREQUENCY_2K1_HZ 0b011
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#define IS31FL3737_PWM_FREQUENCY_1K05_HZ 0b100
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#define A_1 0x00
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#define A_2 0x01
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#define A_3 0x02
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#define A_4 0x03
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#define A_5 0x04
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#define A_6 0x05
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#define A_7 0x08
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#define A_8 0x09
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#define A_9 0x0A
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#define A_10 0x0B
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#define A_11 0x0C
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#define A_12 0x0D
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#define B_1 0x10
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#define B_2 0x11
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#define B_3 0x12
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#define B_4 0x13
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#define B_5 0x14
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#define B_6 0x15
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#define B_7 0x18
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#define B_8 0x19
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#define B_9 0x1A
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#define B_10 0x1B
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#define B_11 0x1C
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#define B_12 0x1D
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#define C_1 0x20
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#define C_2 0x21
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#define C_3 0x22
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#define C_4 0x23
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#define C_5 0x24
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#define C_6 0x25
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#define C_7 0x28
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#define C_8 0x29
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#define C_9 0x2A
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#define C_10 0x2B
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#define C_11 0x2C
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#define C_12 0x2D
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#define D_1 0x30
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#define D_2 0x31
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#define D_3 0x32
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#define D_4 0x33
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#define D_5 0x34
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#define D_6 0x35
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#define D_7 0x38
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#define D_8 0x39
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#define D_9 0x3A
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#define D_10 0x3B
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#define D_11 0x3C
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#define D_12 0x3D
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#define E_1 0x40
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#define E_2 0x41
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#define E_3 0x42
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#define E_4 0x43
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#define E_5 0x44
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#define E_6 0x45
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#define E_7 0x48
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#define E_8 0x49
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#define E_9 0x4A
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#define E_10 0x4B
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#define E_11 0x4C
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#define E_12 0x4D
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#define F_1 0x50
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#define F_2 0x51
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#define F_3 0x52
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#define F_4 0x53
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#define F_5 0x54
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#define F_6 0x55
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#define F_7 0x58
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#define F_8 0x59
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#define F_9 0x5A
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#define F_10 0x5B
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#define F_11 0x5C
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#define F_12 0x5D
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#define G_1 0x60
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#define G_2 0x61
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#define G_3 0x62
|
||||
#define G_4 0x63
|
||||
#define G_5 0x64
|
||||
#define G_6 0x65
|
||||
#define G_7 0x68
|
||||
#define G_8 0x69
|
||||
#define G_9 0x6A
|
||||
#define G_10 0x6B
|
||||
#define G_11 0x6C
|
||||
#define G_12 0x6D
|
||||
|
||||
#define H_1 0x70
|
||||
#define H_2 0x71
|
||||
#define H_3 0x72
|
||||
#define H_4 0x73
|
||||
#define H_5 0x74
|
||||
#define H_6 0x75
|
||||
#define H_7 0x78
|
||||
#define H_8 0x79
|
||||
#define H_9 0x7A
|
||||
#define H_10 0x7B
|
||||
#define H_11 0x7C
|
||||
#define H_12 0x7D
|
||||
|
||||
#define I_1 0x80
|
||||
#define I_2 0x81
|
||||
#define I_3 0x82
|
||||
#define I_4 0x83
|
||||
#define I_5 0x84
|
||||
#define I_6 0x85
|
||||
#define I_7 0x88
|
||||
#define I_8 0x89
|
||||
#define I_9 0x8A
|
||||
#define I_10 0x8B
|
||||
#define I_11 0x8C
|
||||
#define I_12 0x8D
|
||||
|
||||
#define J_1 0x90
|
||||
#define J_2 0x91
|
||||
#define J_3 0x92
|
||||
#define J_4 0x93
|
||||
#define J_5 0x94
|
||||
#define J_6 0x95
|
||||
#define J_7 0x98
|
||||
#define J_8 0x99
|
||||
#define J_9 0x9A
|
||||
#define J_10 0x9B
|
||||
#define J_11 0x9C
|
||||
#define J_12 0x9D
|
||||
|
||||
#define K_1 0xA0
|
||||
#define K_2 0xA1
|
||||
#define K_3 0xA2
|
||||
#define K_4 0xA3
|
||||
#define K_5 0xA4
|
||||
#define K_6 0xA5
|
||||
#define K_7 0xA8
|
||||
#define K_8 0xA9
|
||||
#define K_9 0xAA
|
||||
#define K_10 0xAB
|
||||
#define K_11 0xAC
|
||||
#define K_12 0xAD
|
||||
|
||||
#define L_1 0xB0
|
||||
#define L_2 0xB1
|
||||
#define L_3 0xB2
|
||||
#define L_4 0xB3
|
||||
#define L_5 0xB4
|
||||
#define L_6 0xB5
|
||||
#define L_7 0xB8
|
||||
#define L_8 0xB9
|
||||
#define L_9 0xBA
|
||||
#define L_10 0xBB
|
||||
#define L_11 0xBC
|
||||
#define L_12 0xBD
|
||||
@@ -0,0 +1,253 @@
|
||||
/* Copyright 2017 Jason Williams
|
||||
* Copyright 2018 Jack Humbert
|
||||
* Copyright 2018 Yiancar
|
||||
* Copyright 2020 MelGeek
|
||||
*
|
||||
* This program 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.
|
||||
*
|
||||
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "is31fl3741-simple.h"
|
||||
#include <string.h>
|
||||
#include "i2c_master.h"
|
||||
#include "wait.h"
|
||||
|
||||
#define IS31FL3741_COMMANDREGISTER 0xFD
|
||||
#define IS31FL3741_COMMANDREGISTER_WRITELOCK 0xFE
|
||||
#define IS31FL3741_INTERRUPTMASKREGISTER 0xF0
|
||||
#define IS31FL3741_INTERRUPTSTATUSREGISTER 0xF1
|
||||
#define IS31FL3741_IDREGISTER 0xFC
|
||||
|
||||
#define IS31FL3741_PAGE_PWM0 0x00 // PG0
|
||||
#define IS31FL3741_PAGE_PWM1 0x01 // PG1
|
||||
#define IS31FL3741_PAGE_SCALING_0 0x02 // PG2
|
||||
#define IS31FL3741_PAGE_SCALING_1 0x03 // PG3
|
||||
#define IS31FL3741_PAGE_FUNCTION 0x04 // PG4
|
||||
|
||||
#define IS31FL3741_REG_CONFIGURATION 0x00 // PG4
|
||||
#define IS31FL3741_REG_GLOBALCURRENT 0x01 // PG4
|
||||
#define IS31FL3741_REG_PULLDOWNUP 0x02 // PG4
|
||||
#define IS31FL3741_REG_PWM_FREQUENCY 0x36 // PG4
|
||||
#define IS31FL3741_REG_RESET 0x3F // PG4
|
||||
|
||||
#ifndef IS31FL3741_I2C_TIMEOUT
|
||||
# define IS31FL3741_I2C_TIMEOUT 100
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3741_I2C_PERSISTENCE
|
||||
# define IS31FL3741_I2C_PERSISTENCE 0
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3741_CONFIGURATION
|
||||
# define IS31FL3741_CONFIGURATION 0x01
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3741_PWM_FREQUENCY
|
||||
# define IS31FL3741_PWM_FREQUENCY IS31FL3741_PWM_FREQUENCY_29K_HZ
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3741_SWPULLUP
|
||||
# define IS31FL3741_SWPULLUP IS31FL3741_PUR_32KR
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3741_CSPULLUP
|
||||
# define IS31FL3741_CSPULLUP IS31FL3741_PUR_32KR
|
||||
#endif
|
||||
|
||||
#ifndef IS31FL3741_GLOBALCURRENT
|
||||
# define IS31FL3741_GLOBALCURRENT 0xFF
|
||||
#endif
|
||||
|
||||
#define IS31FL3741_MAX_LEDS 351
|
||||
|
||||
// Transfer buffer for TWITransmitData()
|
||||
uint8_t g_twi_transfer_buffer[20] = {0xFF};
|
||||
|
||||
// These buffers match the IS31FL3741 and IS31FL3741A PWM registers.
|
||||
// The scaling buffers match the PG2 and PG3 LED On/Off registers.
|
||||
// Storing them like this is optimal for I2C transfers to the registers.
|
||||
// We could optimize this and take out the unused registers from these
|
||||
// buffers and the transfers in is31fl3741_write_pwm_buffer() but it's
|
||||
// probably not worth the extra complexity.
|
||||
uint8_t g_pwm_buffer[IS31FL3741_DRIVER_COUNT][IS31FL3741_MAX_LEDS];
|
||||
bool g_pwm_buffer_update_required[IS31FL3741_DRIVER_COUNT] = {false};
|
||||
bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false};
|
||||
|
||||
uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_MAX_LEDS];
|
||||
|
||||
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
|
||||
g_twi_transfer_buffer[0] = reg;
|
||||
g_twi_transfer_buffer[1] = data;
|
||||
|
||||
#if IS31FL3741_I2C_PERSISTENCE > 0
|
||||
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
|
||||
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3741_I2C_TIMEOUT) == 0) break;
|
||||
}
|
||||
#else
|
||||
i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3741_I2C_TIMEOUT);
|
||||
#endif
|
||||
}
|
||||
|
||||
bool is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
|
||||
// Assume PG0 is already selected
|
||||
|
||||
for (int i = 0; i < 342; i += 18) {
|
||||
if (i == 180) {
|
||||
// unlock the command register and select PG1
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_PWM1);
|
||||
}
|
||||
|
||||
g_twi_transfer_buffer[0] = i % 180;
|
||||
memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 18);
|
||||
|
||||
#if IS31FL3741_I2C_PERSISTENCE > 0
|
||||
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
|
||||
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
#else
|
||||
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) != 0) {
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
// transfer the left cause the total number is 351
|
||||
g_twi_transfer_buffer[0] = 162;
|
||||
memcpy(g_twi_transfer_buffer + 1, pwm_buffer + 342, 9);
|
||||
|
||||
#if IS31FL3741_I2C_PERSISTENCE > 0
|
||||
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
|
||||
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
#else
|
||||
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) != 0) {
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void is31fl3741_init(uint8_t addr) {
|
||||
// In order to avoid the LEDs being driven with garbage data
|
||||
// in the LED driver's PWM registers, shutdown is enabled last.
|
||||
// Set up the mode and other settings, clear the PWM registers,
|
||||
// then disable software shutdown.
|
||||
// Unlock the command register.
|
||||
|
||||
// Unlock the command register.
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
|
||||
|
||||
// Select PG4
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_FUNCTION);
|
||||
|
||||
// Set to Normal operation
|
||||
is31fl3741_write_register(addr, IS31FL3741_REG_CONFIGURATION, IS31FL3741_CONFIGURATION);
|
||||
|
||||
// Set Golbal Current Control Register
|
||||
is31fl3741_write_register(addr, IS31FL3741_REG_GLOBALCURRENT, IS31FL3741_GLOBALCURRENT);
|
||||
// Set Pull up & Down for SWx CSy
|
||||
is31fl3741_write_register(addr, IS31FL3741_REG_PULLDOWNUP, ((IS31FL3741_CSPULLUP << 4) | IS31FL3741_SWPULLUP));
|
||||
// Set PWM frequency
|
||||
is31fl3741_write_register(addr, IS31FL3741_REG_PWM_FREQUENCY, (IS31FL3741_PWM_FREQUENCY & 0b1111));
|
||||
|
||||
// is31fl3741_update_led_scaling_registers(addr, 0xFF, 0xFF, 0xFF);
|
||||
|
||||
// Wait 10ms to ensure the device has woken up.
|
||||
wait_ms(10);
|
||||
}
|
||||
|
||||
void is31fl3741_set_value(int index, uint8_t value) {
|
||||
is31_led led;
|
||||
if (index >= 0 && index < LED_MATRIX_LED_COUNT) {
|
||||
memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
|
||||
|
||||
if (g_pwm_buffer[led.driver][led.v] == value) {
|
||||
return;
|
||||
}
|
||||
g_pwm_buffer_update_required[led.driver] = true;
|
||||
g_pwm_buffer[led.driver][led.v] = value;
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3741_set_value_all(uint8_t value) {
|
||||
for (int i = 0; i < LED_MATRIX_LED_COUNT; i++) {
|
||||
is31fl3741_set_value(i, value);
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3741_set_led_control_register(uint8_t index, bool value) {
|
||||
is31_led led;
|
||||
memcpy_P(&led, (&g_is31_leds[index]), sizeof(led));
|
||||
|
||||
if (value) {
|
||||
g_scaling_registers[led.driver][led.v] = 0xFF;
|
||||
} else {
|
||||
g_scaling_registers[led.driver][led.v] = 0x00;
|
||||
}
|
||||
|
||||
g_scaling_registers_update_required[led.driver] = true;
|
||||
}
|
||||
|
||||
void is31fl3741_update_pwm_buffers(uint8_t addr, uint8_t index) {
|
||||
if (g_pwm_buffer_update_required[index]) {
|
||||
// unlock the command register and select PG2
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_PWM0);
|
||||
|
||||
is31fl3741_write_pwm_buffer(addr, g_pwm_buffer[index]);
|
||||
}
|
||||
|
||||
g_pwm_buffer_update_required[index] = false;
|
||||
}
|
||||
|
||||
void is31fl3741_set_pwm_buffer(const is31_led *pled, uint8_t value) {
|
||||
g_pwm_buffer[pled->driver][pled->v] = value;
|
||||
|
||||
g_pwm_buffer_update_required[pled->driver] = true;
|
||||
}
|
||||
|
||||
void is31fl3741_update_led_control_registers(uint8_t addr, uint8_t index) {
|
||||
if (g_scaling_registers_update_required[index]) {
|
||||
// unlock the command register and select PG2
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_SCALING_0);
|
||||
|
||||
// CS1_SW1 to CS30_SW6 are on PG2
|
||||
for (int i = CS1_SW1; i <= CS30_SW6; ++i) {
|
||||
is31fl3741_write_register(addr, i, g_scaling_registers[index][i]);
|
||||
}
|
||||
|
||||
// unlock the command register and select PG3
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER_WRITELOCK, 0xC5);
|
||||
is31fl3741_write_register(addr, IS31FL3741_COMMANDREGISTER, IS31FL3741_PAGE_SCALING_1);
|
||||
|
||||
// CS1_SW7 to CS39_SW9 are on PG3
|
||||
for (int i = CS1_SW7; i <= CS39_SW9; ++i) {
|
||||
is31fl3741_write_register(addr, i - CS1_SW7, g_scaling_registers[index][i]);
|
||||
}
|
||||
|
||||
g_scaling_registers_update_required[index] = false;
|
||||
}
|
||||
}
|
||||
|
||||
void is31fl3741_set_scaling_registers(const is31_led *pled, uint8_t value) {
|
||||
g_scaling_registers[pled->driver][pled->v] = value;
|
||||
|
||||
g_scaling_registers_update_required[pled->driver] = true;
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
Reference in New Issue
Block a user