/** * @file led_task.c * @author DJI RM * @author modified by NeoZeng neozng1@hnu.edu.cn * @brief 流水灯效 * @version 0.1 * @date 2022-11-30 * * @copyright Copyright (c) 2022 * */ #warning this is a legacy support file, please build the new 'led' module as soon as possible #include "led_task.h" #include #include "bsp_led.h" #include "main.h" #define RGB_FLOW_COLOR_CHANGE_TIME 1000 #define RGB_FLOW_COLOR_LENGHT 6 // 蓝 -> 绿(灭) -> 红 -> 蓝(灭) -> 绿 -> 红(灭) -> 蓝 uint32_t RGB_flow_color[RGB_FLOW_COLOR_LENGHT + 1] = {0xFF0000FF, 0x0000FF00, 0xFFFF0000, 0x000000FF, 0xFF00FF00, 0x00FF0000, 0xFF0000FF}; void led_RGB_flow_task() { static float delta_alpha, delta_red, delta_green, delta_blue; static float alpha, red, green, blue; static uint32_t aRGB; for (size_t i = 0; i < RGB_FLOW_COLOR_LENGHT; ++i) { alpha = (RGB_flow_color[i] & 0xFF000000) >> 24; red = ((RGB_flow_color[i] & 0x00FF0000) >> 16); green = ((RGB_flow_color[i] & 0x0000FF00) >> 8); blue = ((RGB_flow_color[i] & 0x000000FF) >> 0); delta_alpha = (float)((RGB_flow_color[i + 1] & 0xFF000000) >> 24) - (float)((RGB_flow_color[i] & 0xFF000000) >> 24); delta_red = (float)((RGB_flow_color[i + 1] & 0x00FF0000) >> 16) - (float)((RGB_flow_color[i] & 0x00FF0000) >> 16); delta_green = (float)((RGB_flow_color[i + 1] & 0x0000FF00) >> 8) - (float)((RGB_flow_color[i] & 0x0000FF00) >> 8); delta_blue = (float)((RGB_flow_color[i + 1] & 0x000000FF) >> 0) - (float)((RGB_flow_color[i] & 0x000000FF) >> 0); delta_alpha /= RGB_FLOW_COLOR_CHANGE_TIME; delta_red /= RGB_FLOW_COLOR_CHANGE_TIME; delta_green /= RGB_FLOW_COLOR_CHANGE_TIME; delta_blue /= RGB_FLOW_COLOR_CHANGE_TIME; for (size_t j = 0; j < RGB_FLOW_COLOR_CHANGE_TIME; ++j) { alpha += delta_alpha; red += delta_red; green += delta_green; blue += delta_blue; aRGB = ((uint32_t)(alpha)) << 24 | ((uint32_t)(red)) << 16 | ((uint32_t)(green)) << 8 | ((uint32_t)(blue)) << 0; FlowRGBShow(aRGB); } } }