main.c

ADSP-BF537Display部分的代码

/*=============================================================================
=
= Name:     QVGA Display and Timer Verification and Example Code
=
===============================================================================
=
= (C) Copyright 2006 - Analog Devices, Inc.  All rights reserved.
=
= File Name :   main.c
=
= Date      :   12/21/06
=
= Target    :   ADSP-BF537
=
= Version   :   1.0
=
= Purpose   :   Test the display with a bitmap
=
=
=
==============================================================================*/

//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------

#include <setjmp.h>
#include <services/services.h>
#include "debug.h"
#include "timers.h"
#include "lcd.h"
#include "ezkitsettings.h"

//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------

// Blackfin specific datas for interrupt, dma and device management

#define MAX_NB_DMA_CHANNEL		 6
#define MAX_NB_DEVICE			 4
#define MAX_NB_DCB_QUEUE		 1
#define MAX_NB_DCB_CALLBACK		16

// Programmable Flag service
u8 FlagServiceData [ADI_FLAG_CALLBACK_MEMORY * 1]; 

// Interrupt Manager (base memory + memory for secondary interrupt handlers)
u8 IntManagerData[0 + (ADI_INT_SECONDARY_MEMORY * 4)];
// DMA Manager data (base memory + memory for MAX_NB_DMA_CHANNEL DMA channels)
u8 DMAManagerData[ADI_DMA_BASE_MEMORY + (ADI_DMA_CHANNEL_MEMORY * MAX_NB_DMA_CHANNEL)];
// Device Manager data (base memory + memory for MAX_NB_DEVICE devices)
u8 DeviceManagerData[ADI_DEV_BASE_MEMORY + (ADI_DEV_DEVICE_MEMORY * MAX_NB_DEVICE)];
// Deferred Callback Manager data (base memory + memory for MAX_NB_QUEUE queue servers
u8 DeferredCallbackManagerData[0 + (ADI_DCB_QUEUE_SIZE * MAX_NB_DCB_QUEUE)];
// Deferred Callback Queue data (memory for MAX_NB_CALLBACK posted callbacks per queue)
u8 DeferredCallbackQueueData[ADI_DCB_ENTRY_SIZE * MAX_NB_DCB_CALLBACK];
	
// handle to the callback service
ADI_DCB_HANDLE			DeferredCallbackManagerHandle;		
// handle to the DMA Manager
ADI_DMA_MANAGER_HANDLE 	DMAManagerHandle;		
// handle to the Device Manager
ADI_DEV_MANAGER_HANDLE 	DeviceManagerHandle;

volatile u32 BF537_EZKIT_idle = TRUE;
	
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------

// Exceptions raised here are caught in main()
extern jmp_buf CatchContext;

//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------

//	Function:		ExceptionHandler
//					HWErrorHandler
//
//	Description:	We should never get an exception or hardware error,
//					but just in case we'll catch them should one ever occur.

static ADI_INT_HANDLER(ExceptionHandler)	// exception handler
{
	BF537_EZKIT_Throw ("ExceptionHandler error\n");
	return (ADI_INT_RESULT_PROCESSED);
}

static ADI_INT_HANDLER(HWErrorHandler)		// hardware error handler
{
	BF537_EZKIT_Throw ("HWErrorHandler error\n");
	return (ADI_INT_RESULT_PROCESSED);
}

//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------

int main (int argc, char** argv)
{	
	//----------------------------------------------------------

	int ret;
	unsigned long response;
	
	//----------------------------------------------------------
		
	// Catch exceptions raised by BF537_EZKIT_Throw()
	int e = setjmp (CatchContext);
	if (e)
		return e;

	//----------------------------------------------------------

	// initialize SDRAM
	if (InitSDRAM () != ADI_INT_RESULT_SUCCESS)
		BF537_EZKIT_Throw ("ConfigSDRAM error\n");

	//----------------------------------------------------------

	// initialize PLL
	if (InitPower () != ADI_INT_RESULT_SUCCESS)
		BF537_EZKIT_Throw ("ConfigPower error\n");

	//----------------------------------------------------------
	
	// initialize EBIU SRAM
	ConfigureAsync ();	

	//----------------------------------------------------------

	// initialize the Interrupt Manager
	ret = adi_int_Init (IntManagerData, sizeof(IntManagerData), &response, NULL);
	if (ret != 0) 
		BF537_EZKIT_Throw("adi_int_Init error\n");
		
	// hook the exception interrupt
	if(adi_int_CECHook(3, ExceptionHandler, NULL, FALSE) != ADI_INT_RESULT_SUCCESS)
		BF537_EZKIT_Throw("adi_int_CECHook_ExceptionHandler error\n");

	// hook the hardware error
	if(adi_int_CECHook(5, HWErrorHandler, NULL, FALSE) != ADI_INT_RESULT_SUCCESS)
		BF537_EZKIT_Throw("adi_int_CECHook_HWErrorHandler error\n");

	//------------------------------------------------------------------------

	// initialize the DMA Manager
	ret = adi_dma_Init(DMAManagerData, sizeof(DMAManagerData), &response, &DMAManagerHandle, NULL);
	if ((ret != 0) || (response != MAX_NB_DMA_CHANNEL)) 
		BF537_EZKIT_Throw("adi_dma_Init error\n");

	//------------------------------------------------------------------------

	// initialize the Device Manager
	ret = adi_dev_Init(DeviceManagerData, sizeof(DeviceManagerData), &response, &DeviceManagerHandle, NULL);
	if ((ret != 0) || (response != MAX_NB_DEVICE)) 
		BF537_EZKIT_Throw("adi_dev_Init error\n");

	//------------------------------------------------------------------------

	// initialize the Deferred Callback Manager and setup a queue
	ret = adi_dcb_Init(&DeferredCallbackManagerData, sizeof(DeferredCallbackManagerData), &response, NULL);
	if ((ret != 0) || (response != MAX_NB_DCB_QUEUE))
		BF537_EZKIT_Throw("adi_dcb_Init error\n");
	ret = adi_dcb_Open(14, &DeferredCallbackQueueData, sizeof(DeferredCallbackQueueData), &response, &DeferredCallbackManagerHandle);
	if ((ret != 0) || (response != MAX_NB_DCB_CALLBACK))
		BF537_EZKIT_Throw("adi_dcb_Open error\n");

	//------------------------------------------------------------------------

	// Initialize the timer services
	InitTimers ();
	
	//------------------------------------------------------------------------

	// Initialize the timer services
	ret = adi_flag_Init (FlagServiceData, sizeof(FlagServiceData), &response, NULL);
	if (ret != 0)
		BF537_EZKIT_Throw("adi_flag_Init error\n");
	
	//------------------------------------------------------------------------

	// Open the LCD interface
	OpenLCD (DeviceManagerHandle, DMAManagerHandle, DeferredCallbackManagerHandle);
	
	// Start sending data to the LCD
	StartLCD ();

//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------
//---------------------------------------------------------------------------------------------------------------

		while (BF537_EZKIT_idle);
	
	CloseLCD ();	
	adi_flag_Terminate ();
	CloseTimers ();

	return 0;

	//----------------------------------------------------------
}

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