ESPC3-wireless/app/drivers/led_strip/led_strip.c

#include "led_strip.h"

rmt_channel_handle_t led_chan = NULL;
rmt_encoder_handle_t led_encoder = NULL;
rmt_transmit_config_t tx_config = {
    .loop_count = 0, // no transfer loop
};

// 颜色结构体
static rgb_color_t expression[EXAMPLE_LED_NUMBERS];
static rgb_color_t expression_lat[EXAMPLE_LED_NUMBERS] = {0};
// 延时计数
static uint16_t rgb_toggle_cnt[EXAMPLE_LED_NUMBERS] = {10,10};
static uint16_t rgb_toggle_cnt_lat[EXAMPLE_LED_NUMBERS] = {2000,2000};

static uint8_t led_strip_pixels[EXAMPLE_LED_NUMBERS * 3];
uint16_t toggle_cycle = 1000;
// 翻转标志位
bool toggle_flag[EXAMPLE_LED_NUMBERS] = {true,true};
bool toggle_flag_lat[EXAMPLE_LED_NUMBERS] = {true,true};

rgb_color_t rgb_color_none = {0,0,0,0,0,1,0,RGB_COLOR_NONE};
rgb_color_t rgb_color_rad = {0,255,0,0,0,1,0,RGB_COLOR_RAD};
rgb_color_t rgb_color_orange = {0,255,80,0,0,1,0,RGB_COLOR_ORANGE};
rgb_color_t rgb_color_green = {0,0,255,0,0,1,0,RGB_COLOR_GREEN};
rgb_color_t rgb_color_blue = {0,0,0,255,0,1,0,RGB_COLOR_BLUE};
rgb_color_t rgb_color_cyan = {0,0,255,255,0,1,0,RGB_COLOR_CYAN};
rgb_color_t rgb_color_purple = {0,255,0,255,0,1,0,RGB_COLOR_PURPLE};
rgb_color_t rgb_color_white = {0,255,255,255,0,1,0,RGB_COLOR_WHITE};
rgb_color_t rgb_color_green_white = {0,0,255,0,0,2,20,RGB_COLOR_GREEN_WHITE};
rgb_color_t rgb_color_green_purple = {0,0,255,0,0,2,20,RGB_COLOR_GREEN_PURPLE};
void led_strip_init(void)
{
    
    // ESP_LOGI(TAG, "Create RMT TX channel");
    
    rmt_tx_channel_config_t tx_chan_config = {
        .clk_src = RMT_CLK_SRC_DEFAULT, // select source clock
        .gpio_num = RMT_LED_STRIP_GPIO_NUM,
        .mem_block_symbols = 64, // increase the block size can make the LED less flickering
        .resolution_hz = RMT_LED_STRIP_RESOLUTION_HZ,
        .trans_queue_depth = 4, // set the number of transactions that can be pending in the background
    };
    ESP_ERROR_CHECK(rmt_new_tx_channel(&tx_chan_config, &led_chan));

    // ESP_LOGI(TAG, "Install led strip encoder");
    
    led_strip_encoder_config_t encoder_config = {
        .resolution = RMT_LED_STRIP_RESOLUTION_HZ,
    };
    ESP_ERROR_CHECK(rmt_new_led_strip_encoder(&encoder_config, &led_encoder));

    // ESP_LOGI(TAG, "Enable RMT TX channel");
    ESP_ERROR_CHECK(rmt_enable(led_chan));

    // ESP_LOGI(TAG, "Start LED rainbow chase");
    
    rgb_color_change(0,RGB_COLOR_ORANGE);
    rgb_color_change(1,RGB_COLOR_ORANGE);
}
void led_strip_set_pixel(uint8_t pin, uint8_t index, uint8_t green, uint8_t blue, uint8_t red)
{
    led_strip_pixels[0 + index * 3] = green;
    led_strip_pixels[1 + index * 3] = red;
    led_strip_pixels[2 + index * 3] = blue;
    ESP_ERROR_CHECK(rmt_transmit(led_chan, led_encoder, led_strip_pixels, sizeof(led_strip_pixels), &tx_config));
    ESP_ERROR_CHECK(rmt_tx_wait_all_done(led_chan, portMAX_DELAY));
}

void work_rgb_led_start(void)
{
    led_strip_init();
    /* 创建 shell 的接收任务 _work_sh() */
    static os_work_t work_handler_rgb_led;
    os_work_create(&work_handler_rgb_led, "work-rgb-led", _work_rgb_led, NULL, OS_PRIORITY_NORMAL);
    os_work_submit(default_os_work_q_hdl, &work_handler_rgb_led, toggle_cycle * 0.5);

}

void _work_rgb_led(void *arg)
{
    static uint16_t rgb_toggle_cnt_update[EXAMPLE_LED_NUMBERS] = {10,10};
    if(!rgb_toggle_cnt_update[0]--)
    {
        rgb_toggle_cnt_update[0] = rgb_toggle_cnt[0];
        rgb_toggle(0,&expression[0]);
    }
    if(!rgb_toggle_cnt_update[1]--)
    {
        rgb_toggle_cnt_update[1] = rgb_toggle_cnt[1];
        rgb_toggle(1,&expression[1]);
    }
    os_work_later(WORD_TIME_MS);
}
void rgb_update_cyle(uint8_t index, uint16_t cyle)
{
    toggle_flag[index] = (cyle == 888 ?  false : true);
    
    rgb_toggle_cnt[index] = cyle / WORD_TIME_MS - 1;
}
void rgb_color_change(uint8_t index, uint8_t color)
{
    static uint8_t rgb_color_lat[EXAMPLE_LED_NUMBERS] = {0};
    if(rgb_color_lat[index] != color)
    {
        switch(color)
        {
                case RGB_COLOR_NONE:
                    memcpy(&expression[index], &rgb_color_none, sizeof(rgb_color_none));
                    break;
                case RGB_COLOR_RAD:
                    memcpy(&expression[index], &rgb_color_rad, sizeof(rgb_color_rad));
                    break;
                case RGB_COLOR_ORANGE:
                    memcpy(&expression[index], &rgb_color_orange, sizeof(rgb_color_orange));
                    break;
                case RGB_COLOR_GREEN:
                    memcpy(&expression[index], &rgb_color_green, sizeof(rgb_color_green));
                    break;
                case RGB_COLOR_WHITE:
                    memcpy(&expression[index], &rgb_color_white, sizeof(rgb_color_white));
                    break;
                case RGB_COLOR_PURPLE:
                    memcpy(&expression[index], &rgb_color_purple, sizeof(rgb_color_purple));
                    break;
                case RGB_COLOR_CYAN:
                    memcpy(&expression[index], &rgb_color_cyan, sizeof(rgb_color_cyan));
                    break;
                case RGB_COLOR_BLUE:
                    memcpy(&expression[index], &rgb_color_blue, sizeof(rgb_color_blue));
                    break;
                case RGB_COLOR_GREEN_WHITE:
                    memcpy(&expression[index], &rgb_color_green_white, sizeof(rgb_color_green_white));
                    break;
                case RGB_COLOR_GREEN_PURPLE:
                    memcpy(&expression[index], &rgb_color_green_purple, sizeof(rgb_color_green_purple));
                    break;
                default:
                    break;
        }
        expression[index].index = index;
        rgb_color_lat[index] = color;
    }
}
void rgb_toggle(uint8_t index, rgb_color_t* rgb_color)
{
    if(rgb_color->color_cnt > 1)
    {
        breathing_color_change(index,rgb_color);
        led_strip_set_pixel(0,rgb_color->index,rgb_color->green,rgb_color->blue,rgb_color->red);
        return;
    }
    if(rgb_color->toggle_flag == 0)
        led_strip_set_pixel(0,rgb_color->index,rgb_color->green,rgb_color->blue,rgb_color->red);
    else
        led_strip_set_pixel(0,rgb_color->index,0,0,0);

    if(toggle_flag[index] == true)     
        rgb_color->toggle_flag = !rgb_color->toggle_flag;
}

uint8_t breathing_dispose(uint8_t index, rgb_color_t* rgb_color,int16_t* vel, uint8_t color_min, uint8_t color_max)
{
    static int dir[EXAMPLE_LED_NUMBERS] = {1,1}, color_dir[EXAMPLE_LED_NUMBERS] = {1,1}, color_cnt[EXAMPLE_LED_NUMBERS] = {0,0};
    *vel += dir[index] * rgb_color->colortoggle_speed;
    if(*vel > color_max){*vel = color_max; dir[index] = -1;}
    else if(*vel < color_min){*vel = color_min; dir[index] = 1; color_cnt[index] += color_dir[index];}
    
    if(color_cnt[index] >= rgb_color->color_cnt -1 )
        color_dir[index] = -1;
    else if(color_cnt[index] <= 0)
        color_dir[index] = 1;

    return color_cnt[index];
}
void breathing_color_change(uint8_t index, rgb_color_t* rgb_color)
{
    static int16_t COLOR_SUM[EXAMPLE_LED_NUMBERS];
    uint8_t color_cnt = breathing_dispose(index, rgb_color, &COLOR_SUM[index], 0, 255);
    switch (rgb_color->color_type)
    {
        case RGB_COLOR_GREEN_WHITE:
        {
            switch(color_cnt)
            {
                case 0:
                {
                    rgb_color->red = 0;
                    rgb_color->green = (uint8_t)COLOR_SUM[index];
                    rgb_color->blue = 0;
                    break;
                }   
                case 1:
                {
                    rgb_color->red = (uint8_t)COLOR_SUM[index];
                    rgb_color->green = (uint8_t)COLOR_SUM[index];
                    rgb_color->blue = (uint8_t)COLOR_SUM[index];
                    break;
                }
            }
            break;
        }
        case  RGB_COLOR_GREEN_PURPLE:
        {
            switch(color_cnt)
            {
                case 0:
                {
                    rgb_color->red = 0;
                    rgb_color->green = (uint8_t)COLOR_SUM[index];
                    rgb_color->blue = 0;
                    break;
                }
                case 1:
                {
                    rgb_color->red = (uint8_t)COLOR_SUM[index];
                    rgb_color->green = 0;
                    rgb_color->blue = (uint8_t)COLOR_SUM[index];
                    break;
                }
            }
            break;
        }
        default:
            break;
    }
}

void rgb_Indicator_light_on(uint8_t index, uint8_t color, uint16_t cyle)
{
    if(expression_lat[index].color_type == 0 && expression_lat[index].color_type != color)
    {
        memcpy(&expression_lat[index], &expression[index], sizeof(rgb_color_t));
        rgb_color_change(index, color);
    }
    // 设置较大的时间计数，防止数值被轻易到达
    if(rgb_toggle_cnt_lat[index] == 2000 )
    {
        rgb_toggle_cnt_lat[index] = rgb_toggle_cnt[index];
        printf("rgb_toggle_cnt[index]:%d\n",rgb_toggle_cnt[index]);
        rgb_update_cyle(index, cyle);
    }
    if(toggle_flag[index] == false)
    {
        toggle_flag_lat[index] = !toggle_flag_lat[index];
        toggle_flag[index] = !toggle_flag[index];
    }
}
void rgb_Indicator_light_off(uint8_t index)
{
    rgb_color_change(index, expression_lat[index].color_type);
    rgb_update_cyle(index,(rgb_toggle_cnt_lat[index] + 1) * WORD_TIME_MS );
    
    toggle_flag[index] = toggle_flag_lat[index];

    memset(&expression_lat[index], 0, sizeof(rgb_color_t));
    rgb_toggle_cnt_lat[index] = 2000;
}