168 lines
3.4 KiB
C
168 lines
3.4 KiB
C
#include <stm32f0xx.h>
|
|
#include <cmsis/core_cm0.h>
|
|
#include <stdbool.h>
|
|
#include <ring-light/temp-adc.h>
|
|
|
|
#define RING_MAX_LED 30u
|
|
|
|
enum ring_modes {
|
|
RING_MODE_ALL,
|
|
RING_MODE_RED,
|
|
RING_MODE_GREEN,
|
|
RING_MODE_BLUE,
|
|
RING_MODE_WHITE,
|
|
RING_MODE_ARC,
|
|
RING_MODE_QUARTER,
|
|
RING_MODE_IN_FARBE_UND_BUNT,
|
|
RING_MODE_MAX
|
|
};
|
|
|
|
volatile int32_t temperature;
|
|
|
|
extern void sk6812_send_led(uint32_t rgbw);
|
|
|
|
volatile uint32_t wait_tick = 0;
|
|
|
|
static void wait_for_ticks(uint32_t ticks)
|
|
{
|
|
wait_tick = 0;
|
|
while (wait_tick < ticks);
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
uint32_t led_val = 0x00UL;
|
|
uint32_t led_calc_val[RING_MAX_LED] = {0x00UL};
|
|
|
|
bool button_pressed = false;
|
|
enum ring_modes mode = RING_MODE_ALL;
|
|
|
|
RCC->AHBENR |= RCC_AHBENR_GPIOAEN;
|
|
RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
|
|
|
|
GPIOA->MODER |= (2<<7*2)|(2<<6*2)|(1<<3*2);
|
|
|
|
/* enable pullups on encoder inputs */
|
|
GPIOA->PUPDR |= (1<<7*2)|(1<<6*2)|(1<<0*2);
|
|
/* enable TIM3 on encoder inputs */
|
|
GPIOA->AFR[0] |= (1<<7*4)|(1<<6*4);
|
|
|
|
TIM3->ARR = 0xFFFF;
|
|
TIM3->CNT = 0;
|
|
TIM3->CR2 = 0;
|
|
TIM3->SMCR = TIM_SMCR_SMS_0;
|
|
TIM3->CCMR1 = TIM_CCMR1_CC1S_0 | TIM_CCMR1_CC2S_1;
|
|
TIM3->CCER = TIM_CCER_CC1P | TIM_CCER_CC2P;
|
|
TIM3->PSC = 0;
|
|
TIM3->CR1 = TIM_CR1_CEN;
|
|
|
|
temperature_adc_init();
|
|
|
|
SysTick_Config(800000);
|
|
while(1) {
|
|
temperature = temperature_adc_get_temp();
|
|
switch (mode)
|
|
{
|
|
case RING_MODE_ALL:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
led_calc_val[i] = (led_val << 24) + (led_val << 16) + (led_val << 8) + led_val;
|
|
}
|
|
break;
|
|
case RING_MODE_RED:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
led_calc_val[i] = led_val << 16;
|
|
}
|
|
break;
|
|
case RING_MODE_GREEN:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
led_calc_val[i] = led_val << 24;
|
|
}
|
|
break;
|
|
case RING_MODE_BLUE:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
led_calc_val[i] = led_val << 8;
|
|
}
|
|
break;
|
|
case RING_MODE_WHITE:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
led_calc_val[i] = led_val;
|
|
}
|
|
break;
|
|
case RING_MODE_ARC:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
if(led_val > i*8) {
|
|
led_calc_val[i] = 0xFFFFFFFFUL;
|
|
}
|
|
else {
|
|
led_calc_val[i] = 0x00000000UL;
|
|
}
|
|
}
|
|
break;
|
|
case RING_MODE_QUARTER:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
if((led_val / 7 > i) && (led_val / 7 < (i + 7))) {
|
|
led_calc_val[i] = 0xFFFFFFFFUL;
|
|
}
|
|
else {
|
|
led_calc_val[i] = 0x00000000UL;
|
|
}
|
|
}
|
|
break;
|
|
case RING_MODE_IN_FARBE_UND_BUNT:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
switch ((led_val + (i / 3)) % 3)
|
|
{
|
|
case 0:
|
|
led_calc_val[i] = 0x00FF0000UL;
|
|
break;
|
|
case 1:
|
|
led_calc_val[i] = 0xFF000000UL;
|
|
break;
|
|
case 2:
|
|
led_calc_val[i] = 0x0000FF00UL;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
led_calc_val[i] = 0x00000000UL;
|
|
}
|
|
break;
|
|
}
|
|
__disable_irq();
|
|
for(int i = 0; i < RING_MAX_LED; i ++) {
|
|
sk6812_send_led(led_calc_val[i]);
|
|
}
|
|
__enable_irq();
|
|
wait_for_ticks(5);
|
|
|
|
if((int16_t)TIM3->CNT > (int16_t)led_val) {
|
|
led_val = 0u;
|
|
}
|
|
else if(((int16_t)led_val - (int16_t)TIM3->CNT) > UINT8_MAX) {
|
|
led_val = 255u;
|
|
}
|
|
else {
|
|
led_val = (int16_t)led_val - (int16_t)TIM3->CNT;
|
|
}
|
|
TIM3->CNT = 0u;
|
|
|
|
if(button_pressed) {
|
|
if(GPIOA->IDR & GPIO_IDR_0) {
|
|
button_pressed = false;
|
|
}
|
|
}
|
|
else if(!(GPIOA->IDR & GPIO_IDR_0)) {
|
|
mode = (mode + 1) % RING_MODE_MAX;
|
|
button_pressed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SysTick_Handler(void) {
|
|
wait_tick++;
|
|
} |