63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
#ifndef __SWM341_SFC_H__
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#define __SWM341_SFC_H__
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typedef struct {
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uint8_t ClkDiv; //SPI_SCLK是系统时钟的几分频，取值：SFC_CLKDIV_1、SFC_CLKDIV_2、SFC_CLKDIV_4、SFC_CLKDIV_8
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uint8_t Cmd_Read; //读取SPI Flash用的指令码
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uint8_t Width_Read; //读取SPI Flash时数据线位数，取值SFC_RDWIDTH_1、SFC_RDWIDTH_2、SFC_RDWIDTH_4
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uint8_t Cmd_PageProgram; //页编程SPI Flash用的指令码
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uint8_t Width_PageProgram; //页编程SPI Flash时数据线位数，取值SFC_PPWIDTH_1、SFC_PPWIDTH_4
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} SFC_InitStructure;
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#define SFC_CLKDIV_1 0
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#define SFC_CLKDIV_2 1
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#define SFC_CLKDIV_4 2
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#define SFC_CLKDIV_8 3
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#define SFC_RDWIDTH_1 0
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#define SFC_RDWIDTH_2 1
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#define SFC_RDWIDTH_4 2
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#define SFC_PPWIDTH_1 0
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#define SFC_PPWIDTH_4 1
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#define SFC_CMD_READ_JEDEC 0x9F
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#define SFC_CMD_ERASE_CHIP 0x60
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#define SFC_CMD_WRITE_ENABLE 0x06
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#define SFC_CMD_PAGE_PROGRAM 0x02
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#define SFC_CMD_ERASE_SECTOR 0x20
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#define SFC_CMD_ERASE_BLOCK32KB 0x52
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#define SFC_CMD_ERASE_BLOCK64KB 0xD8 //W25Q32
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#define SFC_CMD_READ_STATUS_REG1 0x05
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#define SFC_CMD_READ_STATUS_REG2 0x35
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#define SFC_CMD_READ_STATUS_REG3 0x15
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#define SFC_CMD_WRITE_STATUS_REG1 0x01
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#define SFC_CMD_WRITE_STATUS_REG2 0x31
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#define SFC_CMD_WRITE_STATUS_REG3 0x11
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#define SFC_STATUS_REG_BUSY_Pos 0
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#define SFC_STATUS_REG_QUAD_Pos 9
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void SFC_Init(SFC_InitStructure * initStruct);
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uint32_t SFC_ReadJEDEC(void);
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void SFC_Erase(uint32_t addr, uint8_t wait);
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void SFC_EraseEx(uint32_t addr, uint8_t cmd, uint8_t wait);
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void SFC_Write(uint32_t addr, uint32_t buff[], uint32_t cnt);
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void SFC_GPIOWrite(uint32_t addr, uint32_t buff[], uint32_t cnt);
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void SFC_Read(uint32_t addr, uint32_t buff[], uint32_t cnt);
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uint8_t SFC_ReadStatusReg(uint8_t cmd);
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void SFC_WriteStatusReg(uint8_t cmd, uint16_t reg);
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void SFC_QuadSwitch(uint8_t on);
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uint8_t SFC_QuadState(void);
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uint8_t SFC_FlashBusy(void);
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#endif //__SWM341_SFC_H__
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