www.pudn.com > cc03-demo-spi-0_0_1.rar > main.c

/*C************************************************************************** 
* NAME:         main.c 
*---------------------------------------------------------------------------- 
* Copyright (c) 2003 Atmel. 
*---------------------------------------------------------------------------- 
* RELEASE:      cc03-demo-spi-0_0_1       
* REVISION:     1.1.1.1      
*---------------------------------------------------------------------------- 
* PURPOSE:  
* This file contains an example of use the SPI drivers with AT89c51cc03 
*  
*****************************************************************************/ 
 
/*_____ I N C L U D E S ____________________________________________________*/ 
#include "config.h" 
#include "/lib_mcu/spi/spi_drv.h" 
#include "intrins.h" 
 
/*_____ M A C R O S ________________________________________________________*/ 
 
 
/*_____ D E F I N I T I O N S ______________________________________________*/ 
 
 
 
/*_____ D E C L A R A T I O N S ____________________________________________*/ 
 
 
 
 
/*F************************************************************************** 
* NAME: main  
*---------------------------------------------------------------------------- 
* PARAMS:   none 
* return:   none 
*---------------------------------------------------------------------------- 
* PURPOSE: SPI drivers demo software 
*---------------------------------------------------------------------------- 
* EXAMPLE: 
*---------------------------------------------------------------------------- 
* NOTE:  
*---------------------------------------------------------------------------- 
* REQUIREMENTS:  
*****************************************************************************/ 
void main (void) 
{	 
	Uchar temp; 
	Uchar tab[10]; 
	Uchar index; 
 
	//init data buffer 
	for(index=0;index<10;index++) tab[index]=index; 
	 
	Set_x2_mode(); 
	Set_spi_x1_mode(); 
	spi_master_init(0,1,1,128); //SPI init CPOL=0, CPHA=1, SSDIS=1 bitrate=Fper/8 
 
	//Send 2 bytes in polling mode 
	spi_transmit_byte(0xAA); 
	spi_transmit_byte(0x55); 
	temp=spi_get_data(); 
 
 
	//Send 10 bytes in interrupt mode 
	Enable_spi_interrupt(); 
	Enable_interrupt(); 
	spi_transmit_burst_it (tab, 10); 
 
	//Send 10 bytes in polling mode 
	while(b_spi_busy); //Wait end of transfer under interrupt 
	for(index=0;index<10;index++) tab[index]=index; 	//init data buffer 
	Disable_spi_interrupt(); 
	spi_transmit_burst_polling( tab, 10); 
	while(1); 
 
 }