serial_rcv.c

以太网103转四方串口103,以太网103转四方串口103

#include "typedef.h"
#include "nucleus.h"
#include "system.h"
#include "uart.h"
#include "inforec.h"
#include "dev_mng.h"
#include "serial_rcv.h"

/*   串口任务   */
static  BYTE	  STACK_SERIAL[0x2000];
static  NU_TASK   nuTask_Serial;

/*   串口设置   */
static BYTE  uart_port = UART_PORT_A; //UART_PORT_B为RS485//定义是为了COM板,小盒子只有定义A口为RS232通讯修改  2002.1.19.朱建红

HANDLE hand;

BOOL MST_Initialize()
{
	STATUS	status;
	T_UART_CONFIG  config;

	if (uart_port == UART_PORT_A)
	{
		config =g_sys_config.uart_a;
	}
	else if (uart_port == UART_PORT_B)
	{
		config =g_sys_config.uart_b;
	}
	else
	{
		return FALSE;
	}

	config.pcb =check_packet;

	if ( !UART_Open(uart_port, &config) )
	{
		return FALSE;
	}

	status=NU_Create_Task(&nuTask_Serial,"TASK_Serial",Task_Serial,0,NU_NULL,
					      STACK_SERIAL,0x2000,10,0,NU_PREEMPT,NU_START);
	
	return (status);
}

/* module's task */
VOID Task_Serial(UNSIGNED argc, VOID *argv)
{
	BYTE  recv_buf[256];

	hand = INF_Open_Database();
LoopTask:
	if (UART_Read(uart_port, recv_buf, UART_WAIT_INF) != 0)
	{
		NU_Sleep(6);  /* 5ms per timer tick, wait 30ms */
		Serial_Interpret(recv_buf,uart_port);
	}
	goto LoopTask;
}