#ifndef _NORFLASH_H_
#define _NORFLASH_H_

/* includes ----------------------------------------------------------*/
#include "stm32f1xx_hal.h"
#include "spi.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <ctype.h>
#include "main.h"
#include "gpio.h"


/* typedef -----------------------------------------------------------*/

/* define ------------------------------------------------------------*/

/* NORFLASH ƬѡÒý½Å¶¨Òå */
#define NORFLASH_CS_GPIO_PORT           GPIOC
#define NORFLASH_CS_GPIO_PIN            GPIO_PIN_4
#define NORFLASH_CS_GPIO_CLK_ENABLE()   do{ __HAL_RCC_GPIOC_CLK_ENABLE(); }while(0)   /* ʱÖÓʹÄÜ */

/* NORFLASH ƬѡÐźŠ*/
#define NORFLASH_CS(x)      do{ x ? \
                                  HAL_GPIO_WritePin(NORFLASH_CS_GPIO_PORT, NORFLASH_CS_GPIO_PIN, GPIO_PIN_SET) : \
                                  HAL_GPIO_WritePin(NORFLASH_CS_GPIO_PORT, NORFLASH_CS_GPIO_PIN, GPIO_PIN_RESET); \
                            }while(0)

/* FLASH оƬÁбí */
#define W25Q80      0XEF13          /* W25Q80   оƬID */
#define W25Q16      0XEF14          /* W25Q16   оƬID */
#define W25Q32      0XEF15          /* W25Q32   оƬID */
#define W25Q64      0XEF16          /* W25Q64   оƬID */
#define W25Q128     0XEF17          /* W25Q128  оƬID */
#define W25Q256     0XEF18          /* W25Q256  оƬID */
#define BY25Q64     0X6816          /* BY25Q64  оƬID */
#define BY25Q128    0X6817          /* BY25Q128  оƬID */
#define NM25Q64     0X5216          /* NM25Q64  оƬID */
#define NM25Q128    0X5217          /* NM25Q128  оƬID */

// Ö¸Áî±í
#define FLASH_WriteEnable           0x06 
#define FLASH_WriteDisable          0x04 
#define FLASH_ReadStatusReg1        0x05 
#define FLASH_ReadStatusReg2        0x35 
#define FLASH_ReadStatusReg3        0x15 
#define FLASH_WriteStatusReg1       0x01 
#define FLASH_WriteStatusReg2       0x31 
#define FLASH_WriteStatusReg3       0x11 
#define FLASH_ReadData              0x03 
#define FLASH_FastReadData          0x0B 
#define FLASH_FastReadDual          0x3B 
#define FLASH_FastReadQuad          0xEB  
#define FLASH_PageProgram           0x02 
#define FLASH_PageProgramQuad       0x32 
#define FLASH_BlockErase            0xD8 
#define FLASH_SectorErase           0x20 
#define FLASH_ChipErase             0xC7 
#define FLASH_PowerDown             0xB9 
#define FLASH_ReleasePowerDown      0xAB 
#define FLASH_DeviceID              0xAB 
#define FLASH_ManufactDeviceID      0x90 
#define FLASH_JedecDeviceID         0x9F 
#define FLASH_Enable4ByteAddr       0xB7
#define FLASH_Exit4ByteAddr         0xE9
#define FLASH_SetReadParam          0xC0 
#define FLASH_EnterQPIMode          0x38
#define FLASH_ExitQPIMode           0xFF


/* macro -------------------------------------------------------------*/

/* variables ---------------------------------------------------------*/
extern uint16_t norflash_TYPE;      /* ¶¨ÒåFLASHоƬÐͺŠ*/

/* function prototypes -----------------------------------------------*/
/* ¾²Ì¬º¯Êý */
static void norflash_wait_busy(void);               /* µÈ´ý¿ÕÏÐ */
static void norflash_send_address(uint32_t address);/* ·¢Ë͵ØÖ· */
static void norflash_write_page(uint8_t *pbuf, uint32_t addr, uint16_t datalen);    /* дÈëpage */
static void norflash_write_nocheck(uint8_t *pbuf, uint32_t addr, uint16_t datalen); /* дflash£¬²»´ø²Á³ý */

/* ÆÕͨº¯Êý */
void norflash_init(void);                   /* ³õʼ»¯25QXX */
uint16_t norflash_read_id(void);            /* ¶ÁÈ¡FLASH ID */
void norflash_write_enable(void);           /* дʹÄÜ */
uint8_t norflash_read_sr(uint8_t regno);    /* ¶Áȡ״̬¼Ä´æÆ÷ */
void norflash_write_sr(uint8_t regno,uint8_t sr);   /* д״̬¼Ä´æÆ÷ */

void norflash_erase_chip(void);             /* ÕûƬ²Á³ý */
void norflash_erase_sector(uint32_t saddr); /* ÉÈÇø²Á³ý */
void norflash_read(uint8_t *pbuf, uint32_t addr, uint16_t datalen);     /* ¶ÁÈ¡flash */
void norflash_write(uint8_t *pbuf, uint32_t addr, uint16_t datalen);    /* дÈëflash */



#endif