logo

qmk_firmware

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

indicator_leds.c (2261B)

    

  1. /*
  2. Copyright 2017 MechMerlin <mechmerlin@gmail.com>
  4. This program is free software: you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation, either version 2 of the License, or
  7. (at your option) any later version.
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12. GNU General Public License for more details.
  14. You should have received a copy of the GNU General Public License
  15. along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16. */
  17. #include <avr/interrupt.h>
  18. #include <avr/io.h>
  19. #include <stdbool.h>
  20. #include <util/delay.h>
  21. #include "indicator_leds.h"
  22. #include "duck_led/duck_led.h"
  24. #define LED_T1H	600
  25. #define LED_T1L 650
  26. #define LED_T0H 250
  27. #define LED_T0L 1000
  29. void send_bit_d4(bool bitVal) {
  30.   if(bitVal) {
  31.     asm volatile (
  32.         "sbi %[port], %[bit] \n\t"
  33.         ".rept %[onCycles] \n\t"
  34.         "nop \n\t"
  35.         ".endr \n\t"
  36.         "cbi %[port], %[bit] \n\t"
  37.         ".rept %[offCycles] \n\t"
  38.         "nop \n\t"
  39.         ".endr \n\t"
  40.         ::
  41.         [port]      "I" (_SFR_IO_ADDR(PORTD)),
  42.         [bit]       "I" (4),
  43.         [onCycles]  "I" (NS_TO_CYCLES(LED_T1H) - 2),
  44.         [offCycles] "I" (NS_TO_CYCLES(LED_T1L) - 2));
  45.   } else {
  46.     asm volatile (
  47.         "sbi %[port], %[bit] \n\t"
  48.         ".rept %[onCycles] \n\t"
  49.         "nop \n\t"
  50.         ".endr \n\t"
  51.         "cbi %[port], %[bit] \n\t"
  52.         ".rept %[offCycles] \n\t"
  53.         "nop \n\t"
  54.         ".endr \n\t"
  55.         ::
  56.         [port]      "I" (_SFR_IO_ADDR(PORTD)),
  57.         [bit]       "I" (4),
  58.         [onCycles]  "I" (NS_TO_CYCLES(LED_T0H) - 2),
  59.         [offCycles] "I" (NS_TO_CYCLES(LED_T0L) - 2));
  60.   }
  61. }
  63. void send_value(uint8_t byte, enum Device device) {
  64.   for(uint8_t b = 0; b < 8; b++) {
  65.     if(device == Device_STATUSLED) {
  66.       send_bit_d4(byte & 0b10000000);
  67.       byte <<= 1;
  68.     }
  69.   }
  70. }
  72. // Send the LED indicators to the WS2811S chips
  73. void indicator_leds_set(bool leds[8]) {
  74.   uint8_t led_cnt;
  76.   cli();
  77.   for(led_cnt = 0; led_cnt < 8; led_cnt++)
  78.     send_value(leds[led_cnt] ? 255 : 0, Device_STATUSLED);
  79.   sei();
  80.   show();
  81. }