[单片机框架] [app_led] [WS2812x] 利用软定时器实现WS2812x闪烁和呼吸等灯光模式

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[单片机框架] [onewire] 利用单线协议来点亮WS2812X 模拟IO 兼容带OS

/********************************************************************************

* @file    led_ws2812x.c

* @author  jianqiang.xue

* @version V1.0.0

* @date    2021-11-23

* @brief   LED灯光，OneWire控制

* @example

#include "business_function.h"

#include "app_led.h"

// 初始化APP_LED(创建软定时器)

app_led_init();

// 关闭灯光

app_led_indicate(LED_DRIVEN_WS2812, APP_LED_ID_0, LED_TYPE_OFF, 0, 0);

********************************************************************************/

/* Includes ------------------------------------------------------------------*/

#include

#include

#include

#include "app_led.h"

#include "onewire.h"

#include "os_api.h"

#include "rgb_hsv.h"

/* Private Includes ----------------------------------------------------------*/

#include "business_gpio.h"

#include "business_function.h"

/* Private Define ------------------------------------------------------------*/

#define BYTE_0(n)   ((uint8_t)((n) & (uint8_t)0xFF))        /*!< Returns the low byte of the 32-bit value */

#define BYTE_1(n)   ((uint8_t)(BYTE_0((n) >> (uint8_t)8)))  /*!< Returns the second byte of the 32-bit value */

#define BYTE_2(n)   ((uint8_t)(BYTE_0((n) >> (uint8_t)16))) /*!< Returns the third byte of the 32-bit value */

#define BYTE_3(n)   ((uint8_t)(BYTE_0((n) >> (uint8_t)24)))

/* Private Macro -------------------------------------------------------------*/

#if BS_APP_LED_WS2812_DRIVEN_MODE

#if BS_WS2812_CH0_EN

static void timer_ws2812_0_light_control(void const *arg);

#endif

#if BS_WS2812_CH1_EN

static void timer_ws2812_1_light_control(void const *arg);

#endif

#if BS_WS2812_CH2_EN

static void timer_ws2812_2_light_control(void const *arg);

#endif

#if BS_WS2812_CH3_EN

static void timer_ws2812_3_light_control(void const *arg);

#endif

#endif

/* Private Typedef -----------------------------------------------------------*/

static bool g_app_led_init = false;

// 定义led灯光结构体类型

typedef struct

{

    app_led_id_t     led_id;               // 组号

    app_led_type_t   type;                 // 0--灭灯  1--常亮  2--呼吸  3--快闪

    bool             level_logic;          // 0--低电平亮  1--高电平亮

    char            *timer_id;             // 软定时器id

    uint32_t         period_max;           // 重装载值(最大值)                   --> 对WS2812来说，则是挂载了多少个灯

    uint16_t         cycle_time;           // 定时器轮询时间(灭灯和常亮只执行一次)

    uint32_t         period;               // 重装载值(控制值)                   --> 对WS2812来说，则是RGB值

    // 下面不用填写，仅用于临时计算

    uint8_t          temp_dir;             // 用于方向 0--up 1--keep 2--down

    uint16_t         temp_times;           // 用于计次

} app_led_t;

// 定义软定时器，用于实现灯光效果

#if BS_APP_LED_WS2812_DRIVEN_MODE

#if BS_WS2812_CH0_EN

os_timer_def(ws2812_0, timer_ws2812_0_light_control);

app_led_t app_led_ws2812_0 = {APP_LED_ID_0, LED_TYPE_OFF, 0, NULL, BS_WS2812_CH0_NUM, 0, 0, 1, 0};

#endif

#if BS_WS2812_CH1_EN

os_timer_def(ws2812_1, timer_ws2812_1_light_control);

app_led_t app_led_ws2812_1 = {APP_LED_ID_1, LED_TYPE_OFF, 0, NULL, BS_WS2812_CH1_NUM, 0, 0, 1, 0};

#endif

#if BS_WS2812_CH2_EN

os_timer_def(ws2812_2, timer_ws2812_2_light_control);

app_led_t app_led_ws2812_2 = {APP_LED_ID_2, LED_TYPE_OFF, 0, NULL, BS_WS2812_CH2_NUM, 0, 0, 1, 0};

#endif

#if BS_WS2812_CH3_EN

os_timer_def(ws2812_3, timer_ws2812_3_light_control);

app_led_t app_led_ws2812_3 = {APP_LED_ID_3, LED_TYPE_OFF, 0, NULL, BS_WS2812_CH3_NUM, 0, 0, 1, 0};

#endif

#endif

/* Private Function Prototypes ----------------------------------------------*/

/********************[灯光类型]对内接口函数*************************************/

/**

 * @brief  关闭灯光

 * @param  *app_led: led灯光结构体指针

 */

static void led_type_off(app_led_t *app_led)

{

    uint8_t temp[3] = {0, 0 ,0};

    onewire_send_data(app_led->led_id, temp, 3);

}

/**

 * @brief  灯光常亮

 * @param  *app_led: led灯光结构体指针

 */

static void led_type_light(app_led_t *app_led)

{

    uint8_t temp[3] = {BYTE_1(app_led->period), BYTE_2(app_led->period), BYTE_0(app_led->period)}; // GRB

    onewire_send_data(app_led->led_id, temp, 3);

}

///**

// * @brief  灯光由暗变亮

// * @note   渐变效果由cycle_time决定

// * @param  *app_led: led灯光结构体指针

// */

//static void led_type_rise_slowly(app_led_t *app_led)

//{

//    if (app_led->type != LED_TYPE_RISE_SLOWLY)

//    {

//        return;

//    }

//    app_led->temp_times++;

//    if (app_led->temp_times == 257)

//    {

//        return;

//    }

//    uint8_t temp[3]; // GRB

//    float h, s, v;

//    rgb2hsv(BYTE_2(app_led->period), BYTE_1(app_led->period), BYTE_0(app_led->period), &h, &s, &v);

//    v = (float)(app_led->temp_times) / 256;

//    hsv2rgb(h, s, v, &temp[1], &temp[0], &temp[2]);

//    bsp_onewire_send_data(temp, 3);

//    os_timer_start((os_timer_id)(app_led->timer_id), app_led->cycle_time);

//}

///**

// * @brief  灯光由亮变暗

// * @note   渐变效果由cycle_time决定

// * @param  *app_led: led灯光结构体指针

// */

//static void led_type_fall_slowly(app_led_t *app_led)

//{

//    if (app_led->type != LED_TYPE_RISE_SLOWLY)

//    {

//        return;

//    }

//    app_led->temp_times++;

//    if (app_led->temp_times == 257)

//    {

//        return;

//    }

//    uint8_t temp[3]; // GRB

//    float h, s, v;

//    rgb2hsv(BYTE_2(app_led->period), BYTE_1(app_led->period), BYTE_0(app_led->period), &h, &s, &v);

//    v = (float)(256 - app_led->temp_times) / 256;

//    hsv2rgb(h, s, v, &temp[1], &temp[0], &temp[2]);

//    bsp_onewire_send_data(temp, 3);

//    os_timer_start((os_timer_id)(app_led->timer_id), app_led->cycle_time);

//}

/**

 * @brief  灯光呼吸效果

 * @note   呼吸频率由cycle_time决定

 * @param  *app_led: led灯光结构体指针

 */

static void led_type_breath(app_led_t *app_led)

{

    if (app_led->type != LED_TYPE_BREATH)

    {

        return;

    }

    uint16_t time = 0;

    uint8_t temp[3]; // GRB

    float h, s, v;

    if (app_led->temp_dir == 0)

    {

        app_led->temp_times++;

    }

    else if (app_led->temp_dir == 1)

    {

        app_led->temp_dir = 2;

        time = 255;

        goto end;

    }

    else if (app_led->temp_dir == 2)

    {

        app_led->temp_times--;

    }

    if (app_led->temp_times == 257)

    {

        app_led->temp_dir = 1;

    }

    else if (app_led->temp_times == 0)

    {

        app_led->temp_dir = 0;

        time = 255;

        goto end;

    }

    time = app_led->cycle_time;

end:

    rgb2hsv(BYTE_2(app_led->period), BYTE_1(app_led->period), BYTE_0(app_led->period), &h, &s, &v);

    v = (float)(app_led->temp_times) / 256;

    hsv2rgb(h, s, v, &temp[1], &temp[0], &temp[2]);

    onewire_send_data(app_led->led_id, temp, 3);

    os_timer_start((os_timer_id)(app_led->timer_id), time);

}

/**

 * @brief  灯光闪烁

 * @note   闪烁频率由cycle_time决定

 * @param  *app_led: led灯光结构体指针

 */

static void led_type_twinkle(app_led_t *app_led)

{

    if (app_led->type != LED_TYPE_TWINKLE)

    {

        return;

    }

    if (app_led->temp_dir == 0)

    {

        led_type_light(app_led);

        app_led->temp_dir = 1;

    }

    else

    {

        led_type_off(app_led);

        app_led->temp_dir = 0;

    }

    os_timer_start((os_timer_id)(app_led->timer_id), app_led->cycle_time);

}

/**

 * @brief  灯光SOS灯效

 * @param  *app_led: led灯光结构体指针

 */

static void led_type_sos(app_led_t *app_led)

{

    if (app_led->type != LED_TYPE_SOS)

    {

        return;

    }

    uint16_t time = 0;

    if (app_led->temp_dir == 0)

    {

        app_led->temp_dir = 1;

        led_type_light(app_led);

        time = 100;

        goto end;

    }

    else if (app_led->temp_dir == 1)

    {

        app_led->temp_times++;

        app_led->temp_dir = 0;

        if (app_led->temp_times > 2)

        {