146 lines
2.6 KiB
C
146 lines
2.6 KiB
C
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <struppi@struppi.name> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return.
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* (c) 2014 Stefan Rupp
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* ----------------------------------------------------------------------------
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*/
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/*
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* This module tries to control 15 RGB-LEDs
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* connected to three daisy-chained
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* LED1642GW-ICs from STM.
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*/
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#include "ledcontroller.h"
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#include "led1642gw.h"
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static int8_t map_lednum_to_channels(uint8_t lednum, uint8_t *channel_r, uint8_t *channel_g, uint8_t *channel_b)
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{
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uint8_t ret=0;
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if (lednum < 14) {
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ret = 1;
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switch (lednum) {
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case 0:
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*channel_r = 13;
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*channel_g = 14;
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*channel_b = 15;
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break;
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case 1:
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*channel_r = 33;
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*channel_g = 34;
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*channel_b = 35;
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break;
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case 2:
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*channel_r = 36;
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*channel_g = 37;
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*channel_b = 38;
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break;
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case 3:
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*channel_r = 45;
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*channel_g = 46;
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*channel_b = 47;
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break;
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case 4:
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*channel_r = 42;
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*channel_g = 43;
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*channel_b = 44;
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break;
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case 5:
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*channel_r = 39;
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*channel_g = 40;
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*channel_b = 41;
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break;
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case 6:
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*channel_r = 29;
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*channel_g = 30;
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*channel_b = 31;
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break;
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case 7:
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*channel_r = 26;
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*channel_g = 27;
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*channel_b = 28;
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break;
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case 8:
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*channel_r = 23;
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*channel_g = 24;
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*channel_b = 25;
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break;
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case 9:
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*channel_r = 20;
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*channel_g = 21;
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*channel_b = 22;
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break;
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case 10:
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*channel_r = 17;
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*channel_g = 18;
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*channel_b = 19;
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break;
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case 11:
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*channel_r = 10;
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*channel_g = 11;
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*channel_b = 12;
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break;
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case 12:
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*channel_r = 4;
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*channel_g = 5;
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*channel_b = 6;
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break;
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case 13:
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*channel_r = 7;
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*channel_g = 8;
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*channel_b = 9;
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break;
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default:
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ret = 0;
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break;
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}
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}
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return ret;
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}
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void led_set(uint8_t lednum, uint16_t red, uint16_t green, uint16_t blue)
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{
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uint8_t c_r, c_g, c_b;
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if ( map_lednum_to_channels(lednum, &c_r, &c_g, &c_b) > 0 ) {
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led1642gw_set_channel(c_r, red);
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led1642gw_set_channel(c_g, green);
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led1642gw_set_channel(c_b, blue);
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}
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}
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void led_flush(void)
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{
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led1642gw_flush();
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}
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void led_clear(void)
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{
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led1642gw_clear();
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}
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void led_init(void)
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{
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led1642gw_init();
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}
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void led_turn_all_on(void)
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{
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led1642gw_turn_all_on();
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}
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