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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

leds.c (2628B)

    

  1. /* Copyright 2018 James Laird-Wah
  2.  *
  3.  * This program is free software: you can redistribute it and/or modify
  4.  * it under the terms of the GNU General Public License as published by
  5.  * the Free Software Foundation, either version 2 of the License, or
  6.  * (at your option) any later version.
  7.  *
  8.  * This program is distributed in the hope that it will be useful,
  9.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11.  * GNU General Public License for more details.
  12.  *
  13.  * You should have received a copy of the GNU General Public License
  14.  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15.  */
  17. #include "leds.h"
  18. #include "i2c_master.h"
  19. #include "led_tables.h"
  20. #include "rgb_matrix.h"
  21. #include <string.h>
  22. #include "model01.h"
  24. #define I2C_TIMEOUT     1000
  26. void set_all_leds_to(uint8_t r, uint8_t g, uint8_t b) {
  27.   uint8_t buf[] = {
  28.     TWI_CMD_LED_SET_ALL_TO,
  29.     b, g, r
  30.   };
  31.   i2c_transmit(I2C_ADDR(LEFT), buf, sizeof(buf), I2C_TIMEOUT);
  32.   i2c_transmit(I2C_ADDR(RIGHT), buf, sizeof(buf), I2C_TIMEOUT);
  33.   _delay_us(10);
  34. }
  36. void set_led_to(int led, uint8_t r, uint8_t g, uint8_t b) {
  37.   uint8_t buf[] = {
  38.     TWI_CMD_LED_SET_ONE_TO,
  39.     led & 0x1f,
  40.     b, g, r
  41.   };
  42.   int hand = (led >= 32) ? RIGHT : LEFT;
  43.   i2c_transmit(I2C_ADDR(hand), buf, sizeof(buf), I2C_TIMEOUT);
  44.   _delay_us(10);
  45. }
  47. #ifdef RGB_MATRIX_ENABLE
  49. static struct {
  50.   uint8_t b;
  51.   uint8_t g;
  52.   uint8_t r;
  53. } __attribute__((packed)) led_state[64];
  55. static void set_color(int index, uint8_t r, uint8_t g, uint8_t b) {
  56.   led_state[index].r = r;
  57.   led_state[index].g = g;
  58.   led_state[index].b = b;
  59. }
  61. static void set_color_all(uint8_t r, uint8_t g, uint8_t b) {
  62.   for (int i=0; i<RGB_MATRIX_LED_COUNT; i++)
  63.     set_color(i, r, g, b);
  64. }
  66. static void init(void) {
  67.   // Enable high current pathway to LEDs - this does violate the USB spec though! (1.6 amps...)
  68.   gpio_set_pin_output(E6);
  69.   gpio_write_pin_low(E6);
  71.   // Overcurrent check input
  72.   gpio_set_pin_input(B4);
  73. }
  75. static void flush(void) {
  76.   uint8_t *bank_data = (uint8_t*)&led_state[0];
  77.   uint8_t command[1 + 8*3];
  78.   for (int hand=0; hand<2; hand++) {
  79.     int addr = I2C_ADDR(hand);
  81.     for (int bank=0; bank<4; bank++) {
  82.       command[0] = TWI_CMD_LED_BASE + bank;
  83.       memcpy(&command[1], bank_data, 8*3);
  84.       i2c_transmit(addr, command, sizeof(command), I2C_TIMEOUT);
  85.       _delay_us(100);
  87.       bank_data += 8*3;
  88.     }
  89.   }
  90. }
  92. const rgb_matrix_driver_t rgb_matrix_driver = {
  93.   .init = init,
  94.   .flush = flush,
  95.   .set_color = set_color,
  96.   .set_color_all = set_color_all
  97. };
  99. #endif
  101. /* vim: set ts=2 sw=2 et: */