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58 lines
1.9 KiB
58 lines
1.9 KiB
2 years ago
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#ifndef __BSP_SDRAM_H
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#define __BSP_SDRAM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "fmc.h"
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// extern uint32_t SDRAM_BANK_ADDR;
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// extern void SDRAM_WriteBuffer(uint32_t *pBuffer, uint32_t uwWriteAddress, uint32_t uwBufferSize);
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// extern void SDRAM_ReadBuffer(uint32_t *pBuffer, uint32_t uwReadAddress, uint32_t uwBufferSize);
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// extern uint8_t SDRAM_Test( uint32_t count);
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#define Bank4_SDRAM_ADDR ((uint32_t)(0XD0000000))
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#define SDRAM_TIMEOUT ((uint32_t)0xFFFF)
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#define FMC_BANK_SDRAM FMC_Bank2_SDRAM
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#define FMC_COMMAND_TARGET_BANK FMC_SDRAM_CMD_TARGET_BANK2
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#define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000)
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#define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001)
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#define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002)
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#define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004)
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#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000)
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#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008)
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#define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020)
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#define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030)
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#define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000)
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#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
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#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200)
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typedef struct
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{
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void (*init)(void);
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uint8_t (*test)( uint32_t );
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}MY_SDRAM_TypeDef;
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extern MY_SDRAM_TypeDef my_sdram;
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void SDRAM_Init(void);
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//void SDRAM_MPU_Config(void);
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uint8_t SDRAM_Send_Cmd(uint8_t bankx,uint8_t cmd,uint8_t refresh,uint16_t regval);
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void FMC_SDRAM_WriteBuffer(uint8_t *pBuffer,uint32_t WriteAddr,uint32_t n);
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void FMC_SDRAM_ReadBuffer(uint8_t *pBuffer,uint32_t ReadAddr,uint32_t n);
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void SDRAM_Initialization_Sequence(SDRAM_HandleTypeDef *hsdram);
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uint8_t SDRAM_Test(uint32_t count);
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#ifdef __cplusplus
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}
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#endif
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#endif
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