modbus.c

基于c的电动机保护程序

#include <string.h>
#include "ModBusDef.h"
#include "uart.h"
#include "nucleus.h"
#include "mototype.h"
#include "flash_extr.h"
extern char Task_Suspended;

extern NU_TASK _Modbus_Task;
extern int sound_flag;

extern unsigned long        TMD_System_Clock;
MOD_BUF MOD_sendbuf;
extern int Alarm_Info ;
extern int Break_Info ;
extern void testtest(void);
void Change_BootAdd(void);

void init_ModBus_DataAdd(void);

_MOD_ReciveBUF MOD_revbuf;
 _ModBus_DataAdd ModBus_DataAdd;

//_UART_ReciveData UART_ReciveData;

/*********************************************************************************************
						   main function for this file 
 ********************************************************************************************/
//#ifdef ASCII_MODE
const U8 char_tab[128] = {
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,					   
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,					  
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,					   
	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 0, 0, 0,					  
	0, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0, 0, 0, 0, 0, 0, 0, 0, 0,	  
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,					  
	0, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0, 0, 0, 0, 0, 0, 0, 0, 0,	  
	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 					   
};

const U8 tab_char[16] = { 
    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
};
//#endif  // ENDOF #ifdef ASCII_MODE




void MOD_init(void)
{
	  /***portB6  置零 收******/
  *(volatile unsigned long *)PORTB_DIR &= ~(0x1 << 6);
  *(volatile unsigned long *)PORTB_SEL |= 0x1<<6;		
  *(volatile unsigned long *)PORTB_DATA &= ~(0x1 << 6);
  
	init_ModBus_DataAdd();
	memset(&MOD_sendbuf, 0, sizeof(MOD_BUF));
	memset(&MOD_revbuf, 0, sizeof(_MOD_ReciveBUF));
}

/****************************************************************
 *            psrc: 寰呭彂鏁版嵁鎸囬拡   lenth:寰呭彂鏁版嵁闀垮害
 *            return 0 is OK
 *            when return num >0 ,that must be something statr 
 ****************************************************************/
int MOD_write_sendBuf(RP8 psrc, int lenth)
{
	if (LEFT(MOD_sendbuf) < lenth)
	{
		return MOD_SEND_BUFFER_FULL;
	}
	
	psrc = psrc+lenth-1; 
	while(lenth--)
	{
		PUTCH(*psrc--, MOD_sendbuf);
	}
	return 0;
}

/****************************************************************
 *            pdes: 璇诲叆鏁版嵁瀛樻斁澶勬寚閽