102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
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#include <stdio.h> /*<2A><><EFBFBD><D7BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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#include <stdlib.h> /*<2A><><EFBFBD><D7BC><EFBFBD><EFBFBD><EFBFBD>ⶨ<EFBFBD><E2B6A8>*/
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#include <unistd.h> /*Unix<69><78><EFBFBD><D7BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>*/
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#include <sys/types.h> /**/
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#include <sys/stat.h> /**/
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#include <fcntl.h> /*<2A>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ƶ<EFBFBD><C6B6><EFBFBD>*/
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#include <termios.h> /*PPSIX<49>ն˿<D5B6><CBBF>ƶ<EFBFBD><C6B6><EFBFBD>*/
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#include <errno.h> /*<2A><><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD><C5B6><EFBFBD>*/
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#include <sys/time.h>
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#include <string.h>
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#include <getopt.h>
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#define TRUE 1
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#define FALSE -1
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int main(int argc, char **argv)
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{
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int fd;
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int nread;
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char buffer[512];
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int n=0,i=0;
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char* dev = NULL;
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struct termios oldtio,newtio;
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speed_t speed = B115200;
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int next_option,havearg = 0,flow = 0;
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const char *const short_opt = "fd:";
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const struct option long_opt[] = {
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{"devices",1,NULL,'d'},
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{"hard_flow",0,NULL,'f'},
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{NULL,0,NULL,0},
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};
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do{
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next_option = getopt_long(argc,argv,short_opt,long_opt,NULL);
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switch (next_option) {
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case 'd':
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dev = optarg;
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havearg = 1;
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break;
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case '?':
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printf("usage: fltest_uarttest -d <uart_dev>\n");
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break;
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case -1:
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if(havearg)
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break;
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default:
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printf("usage: fltest_uarttest -d /dev/ttyS5 \n");
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exit(1);
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}
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}while(next_option != -1);
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if(dev == NULL)
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{
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printf("Please input seria device name ,for exmaple /dev/ttySAC0.\nNote:This is loop test application. Make sure that your serial is loop\n");
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exit(1);
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}
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/* <20><EFBFBD><F2BFAAB4><EFBFBD> */
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fd = open(dev, O_RDWR | O_NONBLOCK| O_NOCTTY | O_NDELAY);
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if (fd < 0) {
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printf("Can't Open Serial Port!\n");
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exit(0);
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}
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printf("Welcome to uart test\n");
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//save to oldtio
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tcgetattr(fd,&oldtio);
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bzero(&newtio,sizeof(newtio));
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newtio.c_cflag = speed|CS8|CLOCAL|CREAD;
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newtio.c_cflag &= ~CSTOPB;
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newtio.c_cflag &= ~PARENB;
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newtio.c_iflag = IGNPAR;
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newtio.c_oflag = 0;
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tcflush(fd,TCIFLUSH);
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tcsetattr(fd,TCSANOW,&newtio);
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tcgetattr(fd,&oldtio);
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memset(buffer,0,sizeof(buffer));
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char test[100]="forlinx_uart_test.1234567890...";
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printf("Send test data:\n%s\n",test);
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write(fd, test, strlen(test) + 1);
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fd_set rd;
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while(1)
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{
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int ret;
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nread = read(fd, &buffer[n], 1);
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if (strlen(test) == strlen(buffer))
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{
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printf("Read Test Data finished,Read:\n%s\n",buffer);
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memset(buffer,0,sizeof(buffer));
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tcflush(fd, TCIOFLUSH);
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break;
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}
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n += nread;
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}
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close(fd);
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}
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