本例实验的WS2812B模块:
本例实验的WS2812B模块的电原理图
本例实验的LED模块:
1个电源LED,一个可控制LED(与KEY3共用引脚PA4)。
电原理图(红点处D5为可控制LED)
【花雕动手做】实验六十五:使用定时器控制板载LED灯闪烁和RGB灯延时变色
实验开源代码
- #include "asr.h"
- extern "C"{ void * __dso_handle = 0 ;}
- #include "setup.h"
- #include "myLib/asr_ws2812.h"
-
- uint32_t snid;
- void ASR_CODE();
- void stimer_2(TimerHandle_t xTimer);
- TimerHandle_t softtimer_2=NULL;
- void stimer_1(TimerHandle_t xTimer);
- TimerHandle_t softtimer_1=NULL;
- void hardware_init();
-
- //{ID:250,keyword:"命令词",ASR:"最大音量",ASRTO:"音量调整到最大"}
- //{ID:251,keyword:"命令词",ASR:"中等音量",ASRTO:"音量调整到中等"}
- //{ID:252,keyword:"命令词",ASR:"最小音量",ASRTO:"音量调整到最小"}
- WS2812 ASR_WS2812_27(27);
- /*描述该功能...
- */
- void ASR_CODE(){
- switch (snid) {
- case 1:
- xTimerStart(softtimer_1,0);
- break;
- case 2:
- xTimerStop(softtimer_1,0);
- digitalWrite(4,1);
- break;
- case 3:
- ASR_WS2812_27.setBrightness(30);
- ASR_WS2812_27.pixel_set_all_color(255,0,0);
- ASR_WS2812_27.pixel_show();
- xTimerStart(softtimer_2,0);
- break;
- case 4:
- ASR_WS2812_27.pixel_set_all_color(0,0,0);
- ASR_WS2812_27.pixel_show();
- xTimerStop(softtimer_2,0);
- break;
- }
-
- }
-
- void sys_sleep_hook()
- {
- digitalWrite(4,1);
-
- }
-
- void stimer_2(TimerHandle_t xTimer){
- ASR_WS2812_27.setBrightness(30);
- ASR_WS2812_27.pixel_set_all_color(0,255,0);
- ASR_WS2812_27.pixel_show();
- }
-
- void stimer_1(TimerHandle_t xTimer){
- digitalWrite(4,!(digitalRead(4)));
- }
-
- void hardware_init(){
- softtimer_1=xTimerCreate("stimer_1",100,1,0,stimer_1);
- softtimer_2=xTimerCreate("stimer_2",1000,0,0,stimer_2);
- vTaskDelete(NULL);
- }
-
- void setup()
- {
- //{speak:小蝶-清新女声,vol:20,speed:10,platform:haohaodada}
- //{playid:10001,voice:欢迎使用人工智能AI语音助手,用智能管家唤醒我}
- //{playid:10002,voice:我退下了,用智能管家唤醒我}
- //{ID:0,keyword:"唤醒词",ASR:"智能管家",ASRTO:"我在"}
- //{ID:1,keyword:"命令词",ASR:"打开灯光",ASRTO:"好的,马上打开,灯光在闪烁"}
- //{ID:2,keyword:"命令词",ASR:"关闭灯光",ASRTO:"好的,马上关闭灯光"}
- //{ID:3,keyword:"命令词",ASR:"打开红灯",ASRTO:"好的,打开RGB灯,一秒后变色"}
- //{ID:4,keyword:"命令词",ASR:"关闭彩灯",ASRTO:"好的,马上关闭RGB灯"}
- ASR_WS2812_27.pixel_init(3);
- pinMode(4,output);
- setPinFun(4,FIRST_FUNCTION);
- pinMode(27,output);
- xTaskCreate(hardware_init,"hardware_init",256,NULL,100,NULL);
- }
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生成模型与编译烧录
实验场景图
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