da5615.c

最新1211单片机的da程序源代码

/*------------------------------------------------------------------------------
TEST.C:  ISD51 Demo for TI MSC 1210

Copyright 2003 Keil Software, Inc.
------------------------------------------------------------------------------*/

#include <REG1210.H>
#include <intrins.h>
#include <stdio.h>
#include "ISD51.h"
#include "ROM.H"
#define XTAL  11059200            // XTAL frequency 11.0592 MHz

// defines for UART BAUDRATE
#define BAUDRATE          9600      // 9600bps communication baudrate
#define T2RELOAD   (65536-(XTAL/32/BAUDRATE))

sbit Load = P1^1; //5615 control bit
sbit YellowLed = P2^4;// EVM Ledlight 

void delay(void) {
  long i;
  i =0x0ff07;
  while(i--);
}					

void Send_SpiData3(unsigned char h,unsigned char l) 
  {
    Load =0;

    SPIDATA = h;

    while((AIE&0x08) != 0x08){};					
         
    SPIDATA = l;
    while((AIE&0x08) != 0x08){};
	
	Load = 1;
    //printf("\nSPI Send high Value %X ** low Value %X",h,l);
 } 	

void main (void)  {

// Setup Serial Interface 0
  T2CON   = 0x34;        // Use Timer 2 as baudrate generator
  RCAP2H  = 0xFF;
  RCAP2H  = (T2RELOAD >> 8);          // baudrate reload factor
  RCAP2L  = T2RELOAD;

  SCON0   = 0x50;        // enable serial uart & receiver
  PCON   |= 0x80;        // double baudrate for UART0
  P3DDRL &= 0xF0;        // P3DDRL set port pins of UART0 to input/strong drive output
  P3DDRL |= 0x07;        // P3DDRL set port pins of UART0 to input/strong drive output 

// System Timer Setup
// The following settings are important for ISD51 (enable flash programming, disable watchdog)
  USEC   = ((XTAL+500000)/1000000)-1; // USEC timer factor
  ONEMS  = (XTAL/1000)-1;             // (MSECH+MSCL) MS Timer counting at 1.0ms

  HMSEC  = 100-1;         // Hundred MS Timer to 100.0ms
  SECINT = (10-1) | 0x80; // SECINT= 10 * HMS Timer Rate = 1 sec
                          // '0x80' will set the MSB for write immediate
  MSINT  = (10-1) | 0x80; // MSINT = 10ms for Tone period time base
  PDCON  = 0x3D;          // Powerup SysTimer
  FTCON  = 0xA5;          // setup flash programming times
  EICON  = 0x40;         //DIS enable all auxiliary interrupts
#if 1   // init ISD51 and wait until the uVision2 Debugger connects
  ISDwait ();        // wait for connection to uVision2 Debugger
#endif
//Set SPI Registers
	P1 = 0xFF;
	AIE	= 0x00;
	PDCON &=0xFE;
    P1DDRH = 0x75;
	SPITCON = 0x18;	  //VERY IMPORTANT
	SPICON = 0x04;
	EA = 1;                 //DIS Enable global interrupt flag		 
 while (1)  {
	Send_SpiData3(0x0F,0x00) ;
	delay();
	delay();
	delay();
	Send_SpiData3(0x00,0x00) ;
	delay();
	delay();
	delay();
	YellowLed = !YellowLed;
	 } 
}