/*
 * display_fsmc_interface.h
 *
 *  Created on: 23 ���. 2016 �.
 *      Author: l-pro
 */

#ifndef DISPLAY_FSMC_INTERFACE_H_
#define DISPLAY_FSMC_INTERFACE_H_

#include "stm32h7xx_hal.h"
#include "main.h"

namespace Stm32PlusPlus { namespace Display {

#define LCD_REG              (*((volatile unsigned short *) 0x60000000))
#define LCD_RAM              (*((volatile unsigned short *) (0x60000000 | 0x00020000)))

struct FmcLcdAddressMap {
	volatile uint16_t* addressLocation() const {
		return reinterpret_cast<volatile uint16_t*>(0x60000000);
	}
	volatile uint16_t* dataLocation() const {
		return reinterpret_cast<volatile uint16_t*> (0x60000000 | 0x00020000);
	}
};


class DisplayFsmcInterface {
public:
	//static const uint16_t* addressLocation =  reinterpret_cast<uint16_t*>(0x60000000);
	//static const uint16_t* dataLocation =  reinterpret_cast<uint16_t*> (0x60000000 | 0x00020000);
	static constexpr FmcLcdAddressMap addressMap = {};

	static void init(){
		MPU_Region_InitTypeDef MPU_InitStruct;

		// Disable the MPU
		HAL_MPU_Disable();

		// Configure the MPU attributes for 16Mb NOR Flash
		MPU_InitStruct.Enable = MPU_REGION_ENABLE;
		MPU_InitStruct.BaseAddress = 0x60000000;
		MPU_InitStruct.Size = MPU_REGION_SIZE_1MB;
		MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
		MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
		MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
		MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
		MPU_InitStruct.Number = MPU_REGION_NUMBER1;
		MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
		MPU_InitStruct.SubRegionDisable = 0x00;
		MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
		HAL_MPU_ConfigRegion(&MPU_InitStruct);
		// Enable the MPU
		HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
	}

	static void reset(){
		HAL_GPIO_WritePin(LCD_RESET_GPIO_Port, LCD_RESET_Pin, GPIO_PIN_RESET);
		HAL_Delay(1);
		HAL_GPIO_WritePin(LCD_RESET_GPIO_Port, LCD_RESET_Pin, GPIO_PIN_SET);
		HAL_Delay(10);
	}

	static void setAddress(uint16_t address){
		*addressMap.addressLocation() = address;
	}

	static void write(uint16_t value){
		*addressMap.dataLocation() = value;
	}

	static uint16_t read(){
		return *addressMap.dataLocation();
	}

};

}}



#endif /* DISPLAY_FSMC_INTERFACE_H_ */