solo1/targets/stm32l432/src/led.c

130 wiersze
3.0 KiB
C

/*
* Copyright (C) 2018 SoloKeys, Inc. <https://solokeys.com/>
*
* This file is part of Solo.
*
* Solo 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 3 of the License, or
* (at your option) any later version.
*
* Solo 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 Solo. If not, see <https://www.gnu.org/licenses/>
*
* This code is available under licenses for commercial use.
* Please contact SoloKeys for more information.
*/
#include <stdint.h>
#include <stdio.h>
#include "stm32l4xx_ll_gpio.h"
#include "stm32l4xx_ll_tim.h"
#include "led.h"
#include "device.h"
#include "log.h"
void led_rgb(uint32_t hex)
{
uint32_t r = hex >> 16;
uint32_t g = (hex >> 8)&0xff;
uint32_t b = hex & 0xff;
// CCR2 == blue
// CCR3 == red
// CCR4 == green
// map and scale colors
TIM2->CCR2 = 1000 - (b * 1000)/(256);
TIM2->CCR3 = 1000 - (r * 1000)/(256*6);
TIM2->CCR4 = 1000 - (g * 1000)/(256);
}
void led_test_colors()
{
// Should produce pulsing of various colors
int i = 0;
int j = 0;
int inc = 1;
uint32_t time = 0;
#define update() do {\
i += inc;\
if (i > 254)\
{\
inc *= -1;\
}\
else if (i == 0)\
{\
inc *= -1;\
}\
delay(2);\
}while(0);
while(1)
{
printf1(TAG_GREEN, "%d: %lu\r\n", j++, millis());
printf1(TAG_GREEN,"white pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb(i | (i << 8) | (i << 16));
}
printf1(TAG_GREEN,"blue pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb(i);
}
printf1(TAG_GREEN,"green pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb(i<<8);
}
printf1(TAG_GREEN,"red pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb(i<<16);
}
printf1(TAG_GREEN,"purple pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb((i<<16) | i);
}
printf1(TAG_GREEN,"orange pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb((i<<16) | (i<<8));
}
printf1(TAG_GREEN,"yellow pulse\r\n");
time = millis();
while((millis() - time) < 5000)
{
update();
led_rgb((i<<8) | (i<<0));
}
}
}