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#ifndef __W25N01G_H__
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#define __W25N01G_H__
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#define W25N_PAGE_SIZE 2048
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#define W25N_CMD_READ_JEDEC 0x9F
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#define W25N_CMD_PAGE_READ 0x13 // Transfer the data of specified page into the 2112-Byte Data Buffer
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#define W25N_CMD_FAST_READ 0x0B
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#define W25N_CMD_FAST_READ_2bit 0x3B
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#define W25N_CMD_FAST_READ_IO2bit 0xBB
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#define W25N_CMD_FAST_READ_4bit 0x6B
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#define W25N_CMD_FAST_READ_IO4bit 0xEB
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#define W25N_CMD_WRITE_ENABLE 0x06
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#define W25N_CMD_WRITE_DISABLE 0x04
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#define W25N_CMD_PAGE_PROGRAM 0x02 // Load the program data into the 2112-Byte Data Buffer
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#define W25N_CMD_PAGE_PROGRAM_4bit 0x32
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#define W25N_CMD_PROGRAM_EXECUTE 0x10
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#define W25N_CMD_ERASE_BLOCK128KB 0xD8
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#define W25N_CMD_READ_STATUS_REG 0x05
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#define W25N_CMD_WRITE_STATUS_REG 0x01
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#define W25N_STATUS_REG1 0xA0
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#define W25N_STATUS_REG2 0xB0
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#define W25N_STATUS_REG3 0xC0
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#define W25N_STATUS_REG1_WPE_Pos 1 // Ӳ<><D3B2>д<EFBFBD><D0B4><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>λ<EFBFBD><CEBB><EFBFBD>ر<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> /WP & /HOLD <20><><EFBFBD><EFBFBD> IO
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#define W25N_STATUS_REG1_TB_Pos 2
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#define W25N_STATUS_REG1_TB_Msk (0x01 << W25N_STATUS_REG1_TB_Pos)
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#define W25N_STATUS_REG1_BP_Pos 3
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#define W25N_STATUS_REG1_BP_Msk (0x0F << W25N_STATUS_REG1_BP_Pos)
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#define W25N_STATUS_REG2_BUF_Pos 3 // 1 Buffer Read Mode 0 Continuous Read Mode
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#define W25N_STATUS_REG2_ECC_Pos 4 // ECC Enable Bit
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#define W25N_STATUS_REG3_BUSY_Pos 0
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#define W25N_PROTECT_None 0x00
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#define W25N_PROTECT_Upper_256KB 0x01
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#define W25N_PROTECT_Upper_512KB 0x02
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#define W25N_PROTECT_Upper_1MB 0x03
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#define W25N_PROTECT_Upper_2MB 0x04
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#define W25N_PROTECT_Lower_256KB 0x11
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#define W25N_PROTECT_Lower_512KB 0x12
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#define W25N_PROTECT_Lower_1MB 0x13
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#define W25N_PROTECT_Lower_2MB 0x14
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#define W25N_PROTECT_All 0x1F
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void W25N01G_Init(void);
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uint32_t W25N01G_ReadJEDEC(void);
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void W25N01G_Erase(uint32_t addr, uint8_t wait);
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void W25N01G_Write_(uint32_t addr, uint8_t buff[2048], uint8_t data_width, uint8_t data_phase);
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#define W25N01G_Write(addr, buff) W25N01G_Write_((addr), (buff), 1, 1)
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#define W25N01G_Write_4bit(addr, buff) W25N01G_Write_((addr), (buff), 4, 1)
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void W25N01G_Read_(uint32_t addr, uint8_t buff[2048], uint8_t addr_width, uint8_t data_width, uint8_t data_phase);
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#define W25N01G_Read(addr, buff) W25N01G_Read_((addr), (buff), 1, 1, 1)
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#define W25N01G_Read_2bit(addr, buff) W25N01G_Read_((addr), (buff), 1, 2, 1)
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#define W25N01G_Read_4bit(addr, buff) W25N01G_Read_((addr), (buff), 1, 4, 1)
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#define W25N01G_Read_IO2bit(addr, buff) W25N01G_Read_((addr), (buff), 2, 2, 1)
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#define W25N01G_Read_IO4bit(addr, buff) W25N01G_Read_((addr), (buff), 4, 4, 1)
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void W25N01G_Program_Execute(uint32_t addr);
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bool W25N01G_FlashBusy(void);
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void W25N01G_FlashProtect(uint8_t protect);
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void W25N01G_WriteReg(uint8_t reg_addr, uint8_t data);
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uint8_t W25N01G_ReadReg(uint8_t reg_addr);
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#endif // __W25N01G_H__
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