spi.c

OMAP1030 处理器的ARM 侧硬件测试代码 OMAP1030 是TI的双核处理器

#include "spiw.h"
#include "interrupt_mapping.h"
#include "inth2.h"
#include "UART_IrDA.h"
#include "global_types.h"


void spi_reset()
{
	SetGroupBits32(SPI_SCR_REG,SPI_SCR_SOFTRESET_POS,SPI_SCR_SOFTRESET_NUMB,1);   //softreset
	while(!(SPI_SSR_REG & 0x01));
   	UART_Printf(UART2,"SPI module softreset over\n");
	SPI_SCR_REG = 0x00000010;     //smart idle	
}

void spi_tx_master()
{
	SPI_SET1_REG = 0x0006;		//  PTV=3
	SPI_SET1_REG |= 0x0001;		//  enable SPI functional clock
	SPI_SET2_REG = 0x8000;		// master mode, select device 0 interface mode; 
	SPI_CTRL_REG = 0x003c;      // enable device 0 
								//16bits transmit
	SPI_TX_REG = 0x5555;
	SPI_CTRL_REG |=  0x02;		//active write
}								

void spi_trx_master()
{
	unsigned long temp;
	SPI_TEST_REG |= 0x1;		// spi test mode;
	SPI_SET1_REG = 0x0006;		//  PTV=3
	SPI_SET1_REG |= 0x0001;		//  enable SPI functional clock
	SPI_SET2_REG = 0x8000;		// master mode, select device 0 interface mode; 
	SPI_CTRL_REG = 0x007c;      // enable device 0 
								//16bits transmit
	SPI_TX_REG = 0x12345678;
	SPI_CTRL_REG |=  0x03;		//active write
	while(!(SPI_ISR_REG & 0x1));
	temp = SPI_RX_REG;
	if(temp == 0x12345678)
	   	UART_Printf(UART2,"SPI T/R success\n");
	else
		UART_Printf(UART2,"SPI T/R test error\n");
	
}								


void SPI_test_menu()
{
	int val = 1;
	spi_reset();
	while(val)
    {     	
    	UART_Printf(UART2,"\r\n");
    	UART_Printf(UART2,"==========================================\r\n");
    	UART_Printf(UART2,"    ARM BENCH ----- MCSI Test Menu\r\n");
    	UART_Printf(UART2,"==========================================\r\n");    	
    	UART_Printf(UART2,"0 :  Back to upper menu \r\n");
    	UART_Printf(UART2,"1 :  SPI Tx_Master without DMA \r\n");		
		UART_Printf(UART2,"2 :  SPI TRx_Master without DMA \r\n");
		UART_Printf(UART2,"3 :  SPI Tx with DMA \r\n");
 		UART_Printf(UART2,"5 :  SPI Rx with DMA \r\n");		
 		UART_Printf(UART2,"------------------------------------------ \r\n");  
  		UART_Printf(UART2,"Please Enter your choice: \r\n ");   
		val = UART_GetNum(UART2);
    	UART_Printf(UART2,"\n\r");
    	
    	switch (val)
    	{     		
    		case 0:
    			break;
    		case 1:
    		{
    			spi_tx_master();
    			break;
    		}
    		case 2:
    		{
    			spi_trx_master();												
    			break;	
    		}
			case 3:
    		{
    		//	MCSI_Tx_with_DMA(1);												
    			break;	
    		}    		
    		case 4:
    		{
    			//(2);												
    			break;	
    		}
    		case 5:
    		{
    		//	MCSI_Tx_without_DMA(2);
    			break;
    		}
			default:
				UART_Printf(UART2,"You have select the wrong choice\n\r");						
		}		
   	}	
}