Which bsp? Does the console driver have a set_attributes handler? Does it return false?
On Tue, Mar 26, 2019, 7:08 AM 787562067 <googch...@qq.com> wrote: > HI, ALL! > > *when i run fileio test case, i got nothing;* > > when i run example from here > http://zhgyuan.cn/downloads/uploads-file/201707/myapp.tar.gz > > [19:51:16.847]收←◆hello,this is my print task test! > > RTEMS Shell on /dev/console. Use 'help' to list commands. > [/] # > [19:51:17.177]收←◆hello,this is my print task test! > > RTEMS Shell on /dev/console. Use 'help' to list commands. > [/] # > [19:51:18.020]收←◆hello,this is my print task test! > > RTEMS Shell on /dev/console. Use 'help' to list commands. > [/] # > [19:51:19.306]收←◆hello,this is my print task test! > > RTEMS Shell on /dev/console. Use 'help' to list commands. > [/] # > [19:51:20.589]收←◆hello,this is my print task test! > > RTEMS Shell on /dev/console. Use 'help' to list commands. > [/] # > [19:56:17.932]TX→◇help > □ > [19:56:17.941]RX←◆h > > > i dont know why. the uart read also does not work for me > > void testCom1(void) { > char buffer[256] = {0}; > > printf("*** Simple COM1 Test ***\n"); > > //int fd = open("/dev/ttyS1", O_RDWR | O_NOCTTY | _FNDELAY); > int fd = open("/dev/ttyS2", O_RDWR | O_NOCTTY); > > printf("\nOpened COM1, fd=%d\n\n", fd); > if(fd < 0) > printf("open error\n"); > > #if 0 > if(fcntl(fd, F_SETFL, 0) < 0) > { > printf("fcntl failed!\n"); > return; > } > else > { > printf("fcntl=%d\n",fcntl(fd, F_SETFL,0)); > } > #endif > //fcntl(fd, F_SETFL, 0); // set blocked > > struct termios options; > tcgetattr(fd, &options); > bzero(&options, sizeof(options)); > /* setting the baud rate */ > cfsetispeed(&options, B115200); > cfsetospeed(&options, B115200); > > options.c_cflag |= (CLOCAL | CREAD); > > //options.c_cflag &= ~PARENB; > //options.c_cflag &= ~CSTOPB; > //options.c_cflag &= ~CSIZE; > options.c_cflag |= (CS8 | CRTSCTS); > > options.c_iflag = IGNPAR| ICRNL; > options.c_oflag = 0; > options.c_lflag = ICANON; > > options.c_cc[VEOF] = 4; > options.c_cc[VMIN] = 1; > options.c_cc[VTIME] = 0; > > tcflush(fd, TCIFLUSH); > tcsetattr(fd, TCSANOW, &options); > > if(0 == isatty(fd)) > { > printf("input is not a terminal device\n"); > //return; > } > > int numBytes = write(fd, "Hello, I'm waiting for input..\r\n", 33); > > if (numBytes < 0) { > printf("\nFailed to send from COM1!\n"); > } > > > //wait input > printf("wait 5s \n"); > > #if 1 > //(void) rtems_task_wake_after( 5 * rtems_clock_get_ticks_per_second() ); > numBytes = read(fd, buffer, 20); > printf("read bytes %d\n", numBytes); > strerror(errno); > if (numBytes < 0) { > printf("\nFailed to read from COM1!\n"); > > } > else if(numBytes == 0) > { > printf("read error return 0\n"); > } > else > { > //buffer[numBytes] = 0; // terminate > printf("rev: %s\n", buffer); > } > #endif > > //int read_cnt = uart_recv(fd, buffer, 20); > //printf("rev: %s\n", buffer); > //printf("read_cnt: %d\n", read_cnt); > close(fd); > rtems_task_delete(RTEMS_SELF); > } > > > hope you could help me check it , thx! > _______________________________________________ > users mailing list > users@rtems.org > http://lists.rtems.org/mailman/listinfo/users
_______________________________________________ users mailing list users@rtems.org http://lists.rtems.org/mailman/listinfo/users
