spi_test.c

IARSOURCECODE是基于LPC2478嵌入式软件IAR EWARM V4.42的应用实例代码

#include "LPC2468.h"                        /* LPC24xx definitions */
#include "type.h"
#include "irq.h"
#include "target.h"
#include "timer.h"
#include "fio.h"

#include "SPI.h"

extern BYTE seg_buf[6];

/*****************************************************************************
**   Main Function  main()
******************************************************************************/
int main (void)
{
    DWORD i,j;

    TargetResetInit();
    enable_timer(1);

    /* GPIOInit() need to be carefully called if you want to run some
	other peripherals, it will set the PINSEL to default value and change
	the direction of IOs. */

    GPIOInit( 0, FAST_PORT, DIR_OUT );
    GPIOInit( 3, FAST_PORT, DIR_OUT );

    SPI_Init(8);                    // SPI总线速率为28.8/8 = 3.6 MHz

    for(i=0;i<6;i++)seg_buf[i]=0;
    Seg_Init( );                   // 数码管初始化

    while ( 1 )
    {
//      for(i=0;i<6;i++)seg_buf[i]=i;

      seg_buf[0] = i%10;
      seg_buf[1] = (i%100)/10;
      seg_buf[2] = (i%1000)/100;
      seg_buf[3] = (i%10000)/1000;
      seg_buf[4] = (i%100000)/10000;
      seg_buf[5] = i/100000;

//      for(j=0;j<6;j++)SegDisplay(i,j);
      i++;
      delayMs(1,100);

    }

}

/*****************************************************************************
**                            End Of File
*****************************************************************************/