forked from j3d1/fiatlux
105 lines
No EOL
2.4 KiB
C++
105 lines
No EOL
2.4 KiB
C++
//
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// Created by jedi on 25.06.21.
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//
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#include "lux.h"
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#include <string.h>
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#include <FreeRTOS.h>
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#include <task.h>
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#include <esp/spi.h>
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#include <ws2812_i2s/ws2812_i2s.h>
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const int signal_led_pin = 2;
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const int cs0 = 15;
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const int gpio4 = 4;
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const int gpio5 = 5;
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ws2812_pixel_t **pixels_ptr;
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static ws2812_pixel_t next_colour(int i) {
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ws2812_pixel_t colour = {{0, 0, 0, 0}};
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if(i == 8) {
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colour.white = 32;
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} else {
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colour.red = i & 1 ? 32 : 0;
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colour.green = i & 2 ? 32 : 0;
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colour.blue = i & 4 ? 32 : 0;
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}
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return colour;
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}
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void spi_dac(int id, int val) {
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int dac_val = (val << 2) & 0x3FFC;
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spi_transfer_8(1, ~(0x00));
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gpio_write(cs0, 1);
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gpio_write(cs0, 0);
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spi_transfer_8(1, ~(0x01 << id));
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gpio_write(cs0, 1);
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gpio_write(cs0, 0);
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spi_transfer_16(1, dac_val);
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spi_transfer_8(1, ~(0x00));
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gpio_write(cs0, 1);
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gpio_write(cs0, 0);
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spi_transfer_8(1, ~(0x01 << id));
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gpio_write(cs0, 1);
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gpio_write(cs0, 0);
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}
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extern "C" void signal_led(bool state) {
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gpio_write(signal_led_pin, !state);
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}
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/* This task uses the high level GPIO API (esp_gpio.h) to blink an LED.
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*
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*/
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extern "C" void lux_task(void *pvParameters) {
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gpio_enable(9, GPIO_INPUT);
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gpio_enable(10, GPIO_INPUT);
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ws2812_pixel_t pixels[led_number];
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ws2812_i2s_init(led_number, PIXEL_RGBW);
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memset(pixels, 0, sizeof(ws2812_pixel_t) * led_number);
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gpio_enable(signal_led_pin, GPIO_OUTPUT);
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gpio_enable(cs0, GPIO_OUTPUT);
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gpio_enable(gpio4, GPIO_OUTPUT);
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gpio_enable(gpio5, GPIO_OUTPUT);
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spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_BIG_ENDIAN, 1);
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while (1) {
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gpio_write(gpio4, 1);
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vTaskDelay(200 / portTICK_PERIOD_MS);
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gpio_write(gpio4, 0);
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/*for (int j = 0; j < 64; j++) {
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for (int i = 0; i < 8; i++)
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spi_dac(i, 64 * j);
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//printf("> %d\n", 64*j);
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vTaskDelay(100 / portTICK_PERIOD_MS);
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}*/
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for (int i = 0; i < 8; i++)
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spi_dac(i, 0);
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gpio_write(gpio5, 1);
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vTaskDelay(200 / portTICK_PERIOD_MS);
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gpio_write(gpio5, 0);
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for (int c = 8; c >= 0; c--) {
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for (int i = 0; i < led_number; i++) {
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pixels[i] = next_colour(c);
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}
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ws2812_i2s_update(pixels, PIXEL_RGBW);
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vTaskDelay(200 / portTICK_PERIOD_MS);
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}
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}
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} |