STM32+LD3320实现语音识别与人机对话的源程序 -

#include "main.h"
#include "delay.h"
#include "usart.h"
#include "sd.h"
#include "ff.h"
#include "ld3320.h"
#include "mp3.h"
#include "led.h"
#include "asr.h"
FATFS fs[_VOLUMES]; //逻辑磁盘工作区.文件系统默认支持3个磁盘，我们只用了一个 SD编号0
int main(void)
{
u8 nAsrRes=0; //记录识别码
delay_init(); //延时初始化
Usart1_init(115200); //串口初始化波特率为115200
LED_Init(); //LED初始化
while(SD_Init()) //SD卡初始化
{
printf("SD卡初始化错误\r\n"); //串口提示SD卡初始化错误
delay_ms(2000); //延时2s
}
f_mount(&fs[0],"0:",1); //挂载SD卡
LD3320_Init(); //初始化LD3320
printf(" 口令1：重启系统\r\n ");
printf(" 口令2：讲个笑话\r\n ");
printf(" 口令3：打开\r\n ");
printf(" 口令4：关闭\r\n ");
nAsrStatus = LD_ASR_NONE; //初始状态：没有在作ASR
PlayDemoSound_mp3("系统准备.mp3"); //播放文件
while(1)
{
switch(nAsrStatus)
{
case LD_ASR_RUNING:
break;
case LD_ASR_ERROR:
break;
case LD_ASR_NONE: nAsrStatus=LD_ASR_RUNING; //启动一次ASR识别流程：ASR初始化，ASR添加关键词语，启动ASR运算
if (RunASR()==0)
{
printf("ASR_ERROR\r\n");
nAsrStatus = LD_ASR_ERROR;
}
break;
case LD_ASR_FOUNDOK: nAsrRes = LD_ReadReg(0xc5); //一次ASR识别成功结束，取ASR识别结果
switch(nAsrRes)
{
case CODE_CQXT: printf("接收到口令：重启系统\r\n");
PlayDemoSound_mp3("重启.mp3"); //播放文件
NVIC_SystemReset(); //重启
break;
case CODE_JGXH: printf("接收到口令：讲个笑话\r\n");
PlayDemoSound_mp3("笑话.mp3"); //播放文件
break;
case CODE_DK: printf("接收到口令：打开\r\n");
PlayDemoSound_mp3("打开.mp3"); //播放文件
delay_ms(1000); //语音中提示是1s延时后，打开LED
LED_D3=0;
LED_D4=0;
break;
case CODE_GB: printf("接收到口令：关闭\r\n");
PlayDemoSound_mp3("关闭.mp3"); //播放文件
delay_ms(1000); //语音中提示是1s延时后，关闭LED
LED_D3=1;
LED_D4=1;
break;
default: printf("不在口令集之内\r\n");
break;
}
nAsrStatus = LD_ASR_NONE;
break;
case LD_ASR_FOUNDZERO: printf("未知口令\r\n");
nAsrStatus = LD_ASR_NONE;
break;
default: nAsrStatus = LD_ASR_NONE;
break;
}
}
}

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