135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
#include "ws2812_status.h"
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#include "dcdc_controller.h"
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#include "led_strip.h"
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#include "esp_check.h"
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#include "esp_log.h"
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#include "sdkconfig.h"
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#ifndef CONFIG_WATCH_WS2812_LED_COUNT
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#define CONFIG_WATCH_WS2812_LED_COUNT 5
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#endif
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#ifndef CONFIG_WATCH_WS2812_GPIO
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#define CONFIG_WATCH_WS2812_GPIO 8
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#endif
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#ifndef CONFIG_WATCH_WS2812_RMT_RESOLUTION
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#define CONFIG_WATCH_WS2812_RMT_RESOLUTION (10 * 1000 * 1000)
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#endif
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#define WS2812_STATUS_GPIO ((gpio_num_t)CONFIG_WATCH_WS2812_GPIO)
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#define WS2812_STATUS_RESOLUTION_HZ CONFIG_WATCH_WS2812_RMT_RESOLUTION
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static const char *TAG = "ws2812";
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static led_strip_handle_t s_strip;
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static bool s_led_state[WS2812_STATUS_LED_COUNT];
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static bool s_error_state;
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static size_t s_active_channel = SIZE_MAX;
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static esp_err_t ws2812_status_apply(void)
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{
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if (!s_strip) {
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return ESP_ERR_INVALID_STATE;
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}
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for (size_t i = 0; i < WS2812_STATUS_LED_COUNT; ++i) {
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uint8_t r = 0, g = 0, b = 0;
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if (s_error_state) {
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r = 40;
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} else if (s_active_channel == i) {
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g = 60;
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} else if (s_led_state[i]) {
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g = 18;
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} else {
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b = 10;
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}
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ESP_RETURN_ON_ERROR(led_strip_set_pixel(s_strip, i, r, g, b), TAG,
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"led pixel set failed");
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}
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return led_strip_refresh(s_strip);
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}
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esp_err_t ws2812_status_init(void)
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{
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if (s_strip) {
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return ESP_OK;
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}
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led_strip_config_t strip_config = {
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.strip_gpio_num = WS2812_STATUS_GPIO,
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.max_leds = WS2812_STATUS_LED_COUNT,
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.led_model = LED_MODEL_WS2812,
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.flags.invert_out = false,
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};
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led_strip_rmt_config_t rmt_cfg = {
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.clk_src = RMT_CLK_SRC_DEFAULT,
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.resolution_hz = WS2812_STATUS_RESOLUTION_HZ,
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.flags.with_dma = false,
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};
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ESP_RETURN_ON_ERROR(
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led_strip_new_rmt_device(&strip_config, &rmt_cfg, &s_strip),
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TAG,
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"Не вдалося створити RMT пристрій для WS2812");
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ESP_RETURN_ON_ERROR(led_strip_clear(s_strip), TAG, "clear fail");
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for (size_t i = 0; i < WS2812_STATUS_LED_COUNT; ++i) {
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s_led_state[i] = false;
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}
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s_active_channel = SIZE_MAX;
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s_error_state = false;
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return ws2812_status_apply();
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}
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esp_err_t ws2812_status_set_channel_state(size_t channel, bool enabled)
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{
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if (channel >= WS2812_STATUS_LED_COUNT) {
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return ESP_ERR_INVALID_ARG;
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}
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s_led_state[channel] = enabled;
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return ws2812_status_apply();
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}
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esp_err_t ws2812_status_mark_active(size_t channel)
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{
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if (channel >= WS2812_STATUS_LED_COUNT) {
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return ESP_ERR_INVALID_ARG;
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}
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s_active_channel = channel;
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return ws2812_status_apply();
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}
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esp_err_t ws2812_status_clear_active(void)
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{
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s_active_channel = SIZE_MAX;
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return ws2812_status_apply();
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}
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esp_err_t ws2812_status_set_error(bool has_error)
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{
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s_error_state = has_error;
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if (has_error) {
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s_active_channel = SIZE_MAX;
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}
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return ws2812_status_apply();
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}
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esp_err_t ws2812_status_refresh_from_dcdc(void)
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{
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const size_t available_channels = dcdc_channel_count();
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const size_t count = available_channels < WS2812_STATUS_LED_COUNT
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? available_channels
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: WS2812_STATUS_LED_COUNT;
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for (size_t i = 0; i < count; ++i) {
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s_led_state[i] = dcdc_get_state(i);
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}
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for (size_t i = count; i < WS2812_STATUS_LED_COUNT; ++i) {
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s_led_state[i] = false;
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}
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return ws2812_status_apply();
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}
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