This commit is contained in:
j3d1 2021-07-19 22:56:57 +02:00
parent d5c10e441d
commit e6d6757982
2 changed files with 78 additions and 1 deletions

View file

@ -9,6 +9,7 @@
#include <task.h>
#include <esp/spi.h>
#include <ws2812_i2s/ws2812_i2s.h>
const int signal_led_pin = 2;
@ -16,17 +17,89 @@ const int cs0 = 15;
const int gpio4 = 4;
const int gpio5 = 5;
ws2812_pixel_t **pixels_ptr;
static ws2812_pixel_t next_colour(int i) {
ws2812_pixel_t colour = {{0, 0, 0, 0}};
if(i == 8) {
colour.white = 32;
} else {
colour.red = i & 1 ? 32 : 0;
colour.green = i & 2 ? 32 : 0;
colour.blue = i & 4 ? 32 : 0;
}
return colour;
}
void spi_dac(int id, int val) {
int dac_val = (val << 2) & 0x3FFC;
spi_transfer_8(1, ~(0x00));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
spi_transfer_8(1, ~(0x01 << id));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
spi_transfer_16(1, dac_val);
spi_transfer_8(1, ~(0x00));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
spi_transfer_8(1, ~(0x01 << id));
gpio_write(cs0, 1);
gpio_write(cs0, 0);
}
extern "C" void signal_led(bool state) {
gpio_write(signal_led_pin, !state);
}
/* This task uses the high level GPIO API (esp_gpio.h) to blink an LED.
*
*/
extern "C" void lux_task(void *pvParameters) {
gpio_enable(9, GPIO_INPUT);
gpio_enable(10, GPIO_INPUT);
ws2812_pixel_t pixels[led_number];
ws2812_i2s_init(led_number, PIXEL_RGBW);
memset(pixels, 0, sizeof(ws2812_pixel_t) * led_number);
gpio_enable(signal_led_pin, GPIO_OUTPUT);
gpio_enable(cs0, GPIO_OUTPUT);
gpio_enable(gpio4, GPIO_OUTPUT);
gpio_enable(gpio5, GPIO_OUTPUT);
spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_BIG_ENDIAN, 1);
while (1) {
gpio_write(gpio4, 1);
vTaskDelay(200 / portTICK_PERIOD_MS);
gpio_write(gpio4, 0);
/*for (int j = 0; j < 64; j++) {
for (int i = 0; i < 8; i++)
spi_dac(i, 64 * j);
//printf("> %d\n", 64*j);
vTaskDelay(100 / portTICK_PERIOD_MS);
}*/
for (int i = 0; i < 8; i++)
spi_dac(i, 0);
vTaskDelete(nullptr);
gpio_write(gpio5, 1);
vTaskDelay(200 / portTICK_PERIOD_MS);
gpio_write(gpio5, 0);
for (int c = 8; c >= 0; c--) {
for (int i = 0; i < led_number; i++) {
pixels[i] = next_colour(c);
}
ws2812_i2s_update(pixels, PIXEL_RGBW);
vTaskDelay(200 / portTICK_PERIOD_MS);
}
}
}

View file

@ -5,6 +5,10 @@
#ifndef FIRMWARE_LUX_H
#define FIRMWARE_LUX_H
#ifdef __cplusplus
constexpr int led_number = 8;
#endif
#ifdef __cplusplus
extern "C" {
#endif