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orangepi-zero2全志开发板

su-03T语音识别模块

USB-TTL模块

一个安卓手机

一根可以传输的数据线

安卓手机开启，开发者模式，并开启USB调试功能。
插入开发板，跳出什么就点允许就行（否则可能没有权限开发板无权访问手机系统）

由于没有用wiring库所以多出俩个工具文件。当然也是用source insight分析源码cv编写，没写注释，将就看吧，这俩个文件，比较难啃，都是和linux内核打交道struct termios options;

uartTools.c

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>

int myserialOpen (const char *device, const int baud)
{
	speed_t myBaud ;
	int     status, fd ;	
	struct termios options;
	switch (baud){
		case    9600:	myBaud =    B9600 ; break ;
		case  115200:	myBaud =  B115200 ; break ;
	}
	if ((fd = open (device, O_RDWR | O_NOCTTY | O_NDELAY | O_NONBLOCK)) == -1)
		return -1 ;
	fcntl (fd, F_SETFL, O_RDWR) ;
	// Get and modify current options:

	tcgetattr (fd, &options) ;

	cfmakeraw   (&options) ;
	cfsetispeed (&options, myBaud) ;
	cfsetospeed (&options, myBaud) ;

	options.c_cflag |= (CLOCAL | CREAD) ;
	options.c_cflag &= ~PARENB ;
	options.c_cflag &= ~CSTOPB ;
	options.c_cflag &= ~CSIZE ;			
	options.c_cflag |= CS8 ;			//数据位8个
	options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG) ;
	options.c_oflag &= ~OPOST ;

	options.c_cc [VMIN]  =   0 ;
	options.c_cc [VTIME] = 100 ;	// Ten seconds (100 deciseconds)

	tcsetattr (fd, TCSANOW, &options) ;

	ioctl (fd, TIOCMGET, &status);

	status |= TIOCM_DTR ;
	status |= TIOCM_RTS ;

	ioctl (fd, TIOCMSET, &status);

	usleep (10000) ;	// 10mS

	return fd ;
}

void myserialPutchar (const int fd, const unsigned char c)
{
	int ret;
	ret = write (fd, &c, 1) ;
	if (ret < 0)
		printf("Serial Putchar Error\n");
}

void mySerialSendString(const int fd,const unsigned char *str)
{
	if(write(fd,str,strlen(str)) < 0){
		printf("Serial sendString Error\n");
	}
}

int mySerialGetchar(const int fd, unsigned char *c)
{
	if(read(fd,c,1) !=1){
		return -1 ;
	}
	
}

int mySerialGetString(const int fd, unsigned char *str)
{
	if(read(fd,str,32) != 32){
		return -1;
	}
}

uartTools.h

#ifndef _UART_TOOLS_H_
#define _UART_TOOLS_H_
int myserialOpen (const char *device, const int baud);
void myserialPutchar (const int fd, const unsigned char c);
void mySerialSendString(const int fd,const unsigned char *str);
int mySerialGetchar(const int fd, unsigned char *c);
int mySerialGetString(const int fd, unsigned char *str);

#endif

uart.c
到这里就是简单的处理语音模块发来的命令了

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <pthread.h>

#include "uartTools.h"

int fd;

void *recvHandler()
{
	char *recvBuf;
	
	recvBuf = (char *)malloc(sizeof(char)*32);
	if(recvBuf == NULL){
		printf("recvHandler malloc fail\n");
	}
	while(1){
		memset(recvBuf,'\0',strlen(recvBuf));
		mySerialGetchar(fd,recvBuf);
		switch(*recvBuf){
			case 'N':
				printf("next\n");
				system("adb shell input swipe 540 1300 540 500 100");		//adb 命令，模拟手机滑动屏幕
				break;
			case 'P':
				printf("pre\n");
				system("adb shell input swipe 540 500 540 1300 100");
				break;
			case 'Z':
				system("adb shell \"seq 2 | while read i;do input tap 350 1050 & input tap 350 1050 &sleep 0.2;done;\"");
				printf("zan\n");
				break;
			case 'Q':
				printf("quit\n");
				system("adb shell input keyevent 26");
				break;
		}
	}

}

int main(char argc, char **argv)
{

	char filename[32] = {'\0'};
	pthread_t recvPthread;

	if(argc < 2){
		printf("uage:%s /dev/ttyS?\n",argv[0]);
		return -1;
	}

	strcpy(filename,argv[1]);

	if((fd = myserialOpen(filename,115200)) == -1){
		printf("open %s error\n",filename);
		return -1;
	}

	pthread_create(&recvPthread,NULL,recvHandler,NULL);

	while(1){sleep(10);}

	return 0;
}

如有问题，欢迎提出，共同进步