*

2025-05-13 05:40:22 +03:00
parent ceb6d0ccec
commit bc5fe2e797
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+/*
+ * display_fsmc_interface.h
+ *
+ *  Created on: 23 îêò. 2016 ã.
+ *      Author: l-pro
+ */
+
+#ifndef DISPLAY_FSMC_INTERFACE_H_
+#define DISPLAY_FSMC_INTERFACE_H_
+
+#include "stm32f7xx_hal.h"
+
+namespace Stm32PlusPlus { namespace Display {
+
+#define LCD_REG              (*((volatile unsigned short *) 0x60000000))
+#define LCD_RAM              (*((volatile unsigned short *) (0x60000000 | 0x00020000)))
+
+class DisplayFsmcInterface {
+public:
+	static constexpr uint16_t* addressLocation =  (uint16_t*) 0x60000000;
+	static constexpr uint16_t* dataLocation =  (uint16_t*) (0x60000000 | 0x00020000);
+
+	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){
+		*addressLocation = address;
+	}
+
+	static void write(uint16_t value){
+		*dataLocation = value;
+	}
+
+	static uint16_t read(){
+		return *dataLocation;
+	}
+
+};
+
+}}
+
+
+
+#endif /* DISPLAY_FSMC_INTERFACE_H_ */