72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
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/*
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* display_fsmc_interface.h
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*
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* Created on: 23 îêò. 2016 ã.
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* Author: l-pro
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*/
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#ifndef DISPLAY_FSMC_INTERFACE_H_
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#define DISPLAY_FSMC_INTERFACE_H_
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#include "stm32f7xx_hal.h"
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namespace Stm32PlusPlus { namespace Display {
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#define LCD_REG (*((volatile unsigned short *) 0x60000000))
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#define LCD_RAM (*((volatile unsigned short *) (0x60000000 | 0x00020000)))
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class DisplayFsmcInterface {
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public:
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static constexpr uint16_t* addressLocation = (uint16_t*) 0x60000000;
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static constexpr uint16_t* dataLocation = (uint16_t*) (0x60000000 | 0x00020000);
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static void init(){
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MPU_Region_InitTypeDef MPU_InitStruct;
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// Disable the MPU
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HAL_MPU_Disable();
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// Configure the MPU attributes for 16Mb NOR Flash
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MPU_InitStruct.Enable = MPU_REGION_ENABLE;
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MPU_InitStruct.BaseAddress = 0x60000000;
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MPU_InitStruct.Size = MPU_REGION_SIZE_1MB;
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MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;
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MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE;
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MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE;
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MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;
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MPU_InitStruct.Number = MPU_REGION_NUMBER1;
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MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;
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MPU_InitStruct.SubRegionDisable = 0x00;
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MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_ENABLE;
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HAL_MPU_ConfigRegion(&MPU_InitStruct);
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// Enable the MPU
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HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT);
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}
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static void reset(){
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HAL_GPIO_WritePin(LCD_RESET_GPIO_Port, LCD_RESET_Pin, GPIO_PIN_RESET);
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HAL_Delay(1);
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HAL_GPIO_WritePin(LCD_RESET_GPIO_Port, LCD_RESET_Pin, GPIO_PIN_SET);
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HAL_Delay(10);
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}
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static void setAddress(uint16_t address){
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*addressLocation = address;
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}
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static void write(uint16_t value){
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*dataLocation = value;
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}
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static uint16_t read(){
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return *dataLocation;
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}
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};
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}}
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#endif /* DISPLAY_FSMC_INTERFACE_H_ */
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