Files
ESP32_Serial_Swiss_Army_Knife/src/status_led.c
T

79 lines
1.7 KiB
C

#include "status_led.h"
#include <stdbool.h>
#include <stdint.h>
#include "board_pins.h"
#include "led_strip.h"
#include "led_strip_rmt.h"
#define RGB_LED_COUNT 1
#define RGB_LED_BRIGHTNESS 32
static led_strip_handle_t s_strip;
esp_err_t status_led_init(void)
{
const led_strip_config_t strip_config = {
.strip_gpio_num = BOARD_RGB_LED_GPIO,
.max_leds = RGB_LED_COUNT,
.led_model = LED_MODEL_WS2812,
.color_component_format = LED_STRIP_COLOR_COMPONENT_FMT_GRB,
.flags = {
.invert_out = false,
},
};
const led_strip_rmt_config_t rmt_config = {
.clk_src = RMT_CLK_SRC_DEFAULT,
.resolution_hz = 10 * 1000 * 1000,
.mem_block_symbols = 0,
.flags = {
.with_dma = false,
},
};
esp_err_t err = led_strip_new_rmt_device(&strip_config, &rmt_config, &s_strip);
if (err != ESP_OK) {
return err;
}
return status_led_set(STATUS_LED_IDLE);
}
esp_err_t status_led_set(status_led_state_t state)
{
uint8_t red = 0;
uint8_t green = 0;
uint8_t blue = 0;
if (s_strip == NULL) {
return ESP_ERR_INVALID_STATE;
}
switch (state) {
case STATUS_LED_IDLE:
blue = RGB_LED_BRIGHTNESS;
break;
case STATUS_LED_RUNNING:
red = RGB_LED_BRIGHTNESS;
green = RGB_LED_BRIGHTNESS / 2;
break;
case STATUS_LED_PASS:
green = RGB_LED_BRIGHTNESS;
break;
case STATUS_LED_FAIL:
red = RGB_LED_BRIGHTNESS;
break;
default:
return ESP_ERR_INVALID_ARG;
}
esp_err_t err = led_strip_set_pixel(s_strip, 0, red, green, blue);
if (err != ESP_OK) {
return err;
}
return led_strip_refresh(s_strip);
}