#include?“stm32f1xx_hal.h“
#include?“cmsis_os.h“
#include?“main.h“
#include?“MX25LXX.h“

/*****************************************************/
extern?SPI_HandleTypeDef?hspi1;
#define?MX25XX_SPI?hspi1
#define?MX25LxxCS（x）?HAL_GPIO_WritePin（SPI1_CS_GPIO_PortSPI1_CS_Pinx）
#define?MX25LxxLockEnable?1
#define?MX25Lxx4BytesMode?1
/*****************************************************/

/******************flash?cmd?*************************/
#define?COMMAND_WREN??????0x06
#define?COMMAND_WRDI??????0x04
#define?COMMAND_RDSR??????0x05
#define?COMMAND_WRSR??????0x01
#define?COMMAND_READ??????0x03
#define?COMMAND_FREAD?????0x0B
#define?COMMAND_FREAD4B???0x0C
#define?COMMAND_READ4B????0x13
#define?COMMAND_PP4B??????0x12
#define?COMMAND_SE4B??????0x21
#define?COMMAND_EN4B??????0xB7
#define?COMMAND_RDSCUR????0x2B
#define?COMMAND_RSTQIO????0xF5
#define?COMMAND_WRITE?????0x02
#define?COMMAND_RDID??????0x9F
#define?COMMAND_SE????????0x20?//sector?erase
#define?COMMAND_BE????????0x52?//block?erase
#define?COMMAND_CE????????0x60?//chip?erase
#define?COMMAND_RDCR??????0x15

#define?STATUS_WIP????0b00000001
#define?STATUS_WEL????0b00000010
#define?STATUS_BP0????0b00000100
#define?STATUS_BP1????0b00001000
#define?STATUS_BP2????0b00010000
#define?STATUS_BP3????0b00100000
#define?STATUS_RES????0b01000000
#define?STATUS_SWRD???0b10000000

#define?CONFIG_4BYTE??0b00100000

#define?RDSCUR_P_FAIL?0b00100000
#define?RDSCUR_E_FAIL?0b01000000

#define?DUMMY?????????0xFF

/******************end?flash?cmd?*********************/

#if?MX25LxxLockEnable
static?osMutexId?MX25lxxMutex;

#define?MX25LxxLock（）?osMutexWait（MX25lxxMutex??osWaitForever）
#define?MX25LxxUnLock（）??osMutexRelease（MX25lxxMutex）
#else
#define?MX25LxxLock（）
#define?MX25LxxUnLock（）
#endif

uint8_t?MX25LxxConfigeRegister（）;
uint8_t?MX25LxxStatus（）;
uint8_t?MX25LxxRSTQIO（）;
int?MX25LxxWriteEnable（）;
#if?MX25Lxx4BytesMode
static?int?MX25LxxEnter4B（）;
#endif

static?int?MX25LxxWaitForDecieReady（）
{	
	do{
		if?（IS_MASK_CLEAR（MX25LxxStatus（）?STATUS_WIP））?//wait?write?done
			break;
	}while（1）;
	
	return?0;	
}

#if?MX25Lxx4BytesMode
static?int?MX25LxxEnter4B（）
{
????uint8_t?d[2]?=?{COMMAND_EN4B0};
	MX25LxxLock（）?;
	MX25LxxCS（0）;
????HAL_SPI_Transmit（&MX25XX_SPId10xff）;
	MX25LxxCS（1）;
	MX25LxxUnLock（）;
	MX25LxxWaitForDecieReady（）;
	return?0;
}
#endif

int?MX25LxxInit（）
{
#if?MX25LxxLockEnable
	/*?Create?Mutex?lock?*/
	osMutexDef（MX25MUTEX）;

	/*?Create?the?Mutex?used?by?the?two?threads?*/
	MX25lxxMutex?=?osMutexCreate（osMutex（MX25MUTEX））;
?
#endif

#if?MX25Lxx4BytesMode
	MX25LxxEnter4B（）;
	if（IS_MASK_SET（?MX25LxxConfigeRegister（）?CONFIG_4BYTE）??）
		return?0;

	//MX25LxxRSTQIO（）;
????return?-1;
#else
	return?0;
#endif
}
/**
*Read?chip?id
*return?chip?id
**/
uint32_t?MX25LxxReadChipID（）
{
????uint8_t?d[4]?=?{COMMAND_RDID0};
	MX25LxxLock（）;
	MX25LxxCS（0）;
????HAL_SPI_Transmit（&MX25XX_SPId

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????8538??2018-12-25?22:58??MX25LXX.c