rtu_xy_v/mcu_ctrl_board/mcu_ctrl_board.c

#include "mcu_ctrl_board.h"
#include "../../rtu_linux_modules/swapi/subjects/serial/serial.h"

// 模块名称
static const char MODULE_NAME[] = "MCUCtrlBoard";

// 定义与单片机进行通讯的结构体, 同时定义结构体对象
typedef struct
{
  void *h;
} SMCBCom;

static SMCBCom s_myCom = { 0 };

// 接收处理来自MCU控制板的数据报文帧, 串口-线程回调
static int comio_data_recv_proc(unsigned long wParam/*传递打开的串口句柄*/, unsigned long lParam/*保留暂未使用*/)
{
  return 1;
}

// 打开与MCU控制板的串口通讯, 返回: 0成功, <0时失败
int MCBComInit()
{
#ifdef _DEBUG // 上位机单元测试时使用
  const char *serialName = "/dev/ttyS0";   int baudrate = 115200;
#else
  const char *serialName = "/dev/ttymxc2"; int baudrate = 115200;
#endif
  const char *parityCheck = "none"; // 无校检
  s_myCom.h = serial_open(serialName, baudrate, parityCheck, \
                          comio_data_recv_proc, comio_data_recv_proc, NULL);
  if(!s_myCom.h)
  {
    sw_log_error("[%s] failed to open the \"%s:%d(%s parity)\" device!!", \
                 MODULE_NAME, serialName, baudrate, parityCheck);
    MCBComExit(); return -1;
  }

  return 0;
}

// 关闭与MCU控制板的串口通讯, 返回: 0成功, <0时失败
int MCBComExit()
{
  if(s_myCom.h) serial_close(s_myCom.h, WAITTHRD_SAFEEXIT_TIMEOUT);
  memset(&s_myCom, 0, sizeof(s_myCom));
  return 0;
}