40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
#ifndef __SWM320_NORFLASH_H__
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#define __SWM320_NORFLASH_H__
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typedef struct
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{
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uint8_t DataWidth; // 8、16
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uint8_t WELowPulseTime; // WE# pulse width，单位为系统时钟周期，最大值为7
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uint8_t OEPreValidTime; // Valid data output after OE# low，单位为系统时钟周期，最大值为15
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uint8_t OperFinishIEn; // 操作(写入、擦除)完成中断使能
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uint8_t OperTimeoutIEn;
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} NORFL_InitStructure;
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void NORFL_Init(NORFL_InitStructure *initStruct);
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uint32_t NORFL_ChipErase(void);
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uint32_t NORFL_SectorErase(uint32_t addr);
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uint32_t NORFL_Write(uint32_t addr, uint32_t data);
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uint32_t NORFL_Read(uint32_t addr);
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uint16_t NORFL_ReadID(uint32_t id_addr);
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/* 当前版本总线读只支持字读
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#define NORFL_Read8(addr) *((volatile uint8_t *)(NORFLM_BASE + addr))
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#define NORFL_Read16(addr) *((volatile uint16_t *)(NORFLM_BASE + addr)) */
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#define NORFL_Read32(addr) *((volatile uint32_t *)(NORFLM_BASE + addr))
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#define NORFL_CMD_READ 0
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#define NORFL_CMD_RESET 1
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#define NORFL_CMD_AUTO_SELECT 2
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#define NORFL_CMD_PROGRAM 3
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#define NORFL_CMD_CHIP_ERASE 4
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#define NORFL_CMD_SECTOR_ERASE 5
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#endif // __SWM320_NORFLASH_H__
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