C++ (Cpp) UARTClass::WriteChar示例

示例#1

文件： Communication.cpp 项目： analogdevicesinc/EVAL-ADICUP360

int _write (int fd, char *ptr, int len)
{
   char *p = ptr;

   int res = UART_SUCCESS;

   (void)fd;
   (void)len;

   while (*p != '\n') {
      UART.WriteChar(*p++);

      if (res != UART_SUCCESS) {
         break;
      }

   }

   if(*p == '\n') {
         UART.WriteChar('\r');
         UART.WriteChar('\n');
   }

   return res;

}

示例#2

文件： Communication.cpp 项目： analogdevicesinc/EVAL-ADICUP360

int _read(int fd, char *ptr, int len)
{

   (void)fd;
   (void)len;

   while(read_ch == false);

   *ptr = Rx_char;

   UART.WriteChar(*ptr);
   printf("\n");

   read_ch = false;

   return 1;
}