103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
#ifndef _W25Q128_H
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#define _W25Q128_H
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#include "comm_types.h"
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#include "gd32f4xx_gpio.h"
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extern unsigned short int ID;
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extern unsigned char only_id[8];
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/*
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*********************************************************************************************************
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*
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*********************************************************************************************************
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*/
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#define FLASH_DI_HIGH (gpio_bit_set(GPIOB,GPIO_PIN_5))
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#define FLASH_DI_LOW (gpio_bit_reset(GPIOB,GPIO_PIN_5))
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#define FLASH_CLK_HIGH (gpio_bit_set(GPIOB,GPIO_PIN_3))
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#define FLASH_CLK_LOW (gpio_bit_reset(GPIOB,GPIO_PIN_3))
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//#define FLASH_CS_DISABLE (gpio_bit_set(GPIOE,GPIO_PIN_2))
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//#define FLASH_CS_ENABLE (gpio_bit_reset(GPIOE,GPIO_PIN_2))
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#define FLASH_CS_DISABLE (gpio_bit_set(GPIOB,GPIO_PIN_8))
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#define FLASH_CS_ENABLE (gpio_bit_reset(GPIOB,GPIO_PIN_8))
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#define FLASH_DO_READ (gpio_input_bit_get(GPIOB,GPIO_PIN_4))
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#define FLASH_W25Q128
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#define FLASH_WRITE_BUSYBIT 0X01
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#ifdef FLASH_W25Q128
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#define Flash_ReadData_CMD 0x03 //3 BYTE MODE
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#endif
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#ifdef FLASH_W25Q256
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#define Flash_ReadData_CMD 0x13 //4 BYTE MODE new add
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#endif
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#define Flash_ReadID 0x90//读ID***16位
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#define Flash_ReadID_only 0x4b//读唯一ID***64位
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#define Flash_Chip_Erase_CMD 0xC7//片擦除
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#define Flash_WriteEnable_CMD 0x06
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#define Flash_WriteDisable_CMD 0x04
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#define Flash_PageProgram_CMD 0x02
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#define Flash_WriteSR_CMD 0x01
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#define Flash_ReadSR_CMD 0x05
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#define Flash_SecErase_CMD 0x20
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#define Flash_BlockErase_CMD 0xD8
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#define W25Q_4ByteAddrModeEnable 0xB7
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#define W25Q_Exit4ByteAddrModeEnable 0xE9
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#define Flash_PAGEBYTE_LENGTH 256
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#define Flash_SECBYTE_LENGTH (1024*4)
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#define Flash_BLOCKBYTE_LENGTH (Flash_SECBYTE_LENGTH << 4) //Block大小
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//计算FLASH存储的起始地址
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#define FLASH_BLOCK_ADD(BLOCK) (BLOCK * 65536)
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#define FLASH_SECTOR_ADD(BLOCK, SECTOR) ((BLOCK * 65536) + (SECTOR * 4096))
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#define W25Q128_BUFFER_LEN 256//一次读出的字节,且一定能被1024整除
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typedef struct _w25q128_add_inf_
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{
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unsigned int add;//地址
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unsigned char block;//地址所在的block
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unsigned int block_first_add;//地址所在的block的首地址
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unsigned int block_tail_add;//地址所在的block的尾地址
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unsigned char sector;//地址所在的sector
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unsigned int sector_first_add;//地址所在的sector的首地址
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unsigned int sector_tail_add;//地址所在的sector的尾地址
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}w25q128_add_inf;
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/*******************************************************************************
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** 函数声明
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*******************************************************************************/
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void Flash_GPIO_Init(void);
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void Flash_Erase_Block(u_int8_t BlockNum);
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void Flash_Erase_Sector(u_int8_t Block_Num,u_int8_t Sector_Number);
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void Flash_Write_MorePage(u_int8_t *pBuffer, u_int32_t WriteAddr, u_int32_t WriteBytesNum);
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void Flash_Read(u_int8_t *pBuffer,u_int32_t ReadAddr,u_int32_t ReadBytesNum);
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void Enter4ByteAddrMode(void);
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void Exit4ByteAddrMode(void);
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void write_many_data(int n,unsigned char *p,unsigned int start_address);
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void Flash_Write_Page(u_int8_t *pBuffer, u_int32_t WriteAddr, u_int32_t WriteBytesNum);
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char w25q128_random_write(unsigned int write_add, unsigned int cache_add, char *data, unsigned int len);
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unsigned int w25q128_random_crc(char *data, unsigned int len);
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w25q128_add_inf w25q128_block_sector_to_add(unsigned char block, unsigned char sector);
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w25q128_add_inf w25q128_add_to_block_sector(unsigned int add);
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void FLASH_BulkErase();
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void Read_w25q128_ID();
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void Read_w25q128_only_ID();
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#endif |