#include?“stm32f10x_lib.h“
#include?“UserHead.h“
#include?“W25Q16.h“

/**********************************************************
**?function?name??:	FlashInterfaceInit
**?description????:?config?SPI1
**?input?parameter:?none
**?return?????????:?none?
***********************************************************/
void?FlashInterfaceInit（void）
{?
??SPI_InitTypeDef??SPI_InitStructure;
??GPIO_InitTypeDef?GPIO_InitStructure;
???
??//Enable?SPI1?and?GPIOA?clocks
??RCC_APB2PeriphClockCmd（RCC_APB2Periph_SPI1|RCC_APB2Periph_GPIOA?ENABLE）;

????/*Configure?SPI2?pins:?NSS?SCK?MISO?and?MOSI?*/
??GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_6;
??GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_IN_FLOATING;
??GPIO_Init（GPIOA?&GPIO_InitStructure）;
??
??//Configure?SPI1?pins:?NSS?SCK?MISO?and?MOSI
??GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_5?|?GPIO_Pin_7;
??GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
??GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_AF_PP;
??GPIO_Init（GPIOA?&GPIO_InitStructure）;

??
??GPIO_InitStructure.GPIO_Pin?=?GPIO_Pin_4;	???????//?Configure?PA4?as?Output?push-pull?used?as?sst25vf16?Chip?select
??GPIO_InitStructure.GPIO_Speed?=?GPIO_Speed_50MHz;
??GPIO_InitStructure.GPIO_Mode?=?GPIO_Mode_Out_PP;
??GPIO_Init（GPIOA?&GPIO_InitStructure）;
??
??Flash_CS_1;?//Chip?DeSelect
??
??//SPI1?configuration
??SPI_InitStructure.SPI_Direction?=?SPI_Direction_2Lines_FullDuplex;
??SPI_InitStructure.SPI_Mode?=?SPI_Mode_Master;
??SPI_InitStructure.SPI_DataSize?=?SPI_DataSize_8b;
??SPI_InitStructure.SPI_CPOL?=?SPI_CPOL_High;
??SPI_InitStructure.SPI_CPHA?=?SPI_CPHA_2Edge;
??SPI_InitStructure.SPI_NSS?=?SPI_NSS_Soft;
??SPI_InitStructure.SPI_BaudRatePrescaler?=?SPI_BaudRatePrescaler_16;??//8分頻，如果是36MHz時鐘，則SPI串行時鐘的頻率是4.5MHz
??SPI_InitStructure.SPI_FirstBit?=?SPI_FirstBit_MSB;
??SPI_InitStructure.SPI_CRCPolynomial?=?7;
??SPI_Init（SPI1?&SPI_InitStructure）;
??
??SPI_Cmd（SPI1?ENABLE）;?//?Enable?SPI1

//??EWSR（）;
//??WRSR（0）;
//??WRDI（）;
?
}

/*****************************************************************
**?function?name??:	?SPISendByte
**?description????:??SPI1?send?one?byte
**?input?parameter:??byte?to?be?sent
**?return?????????:	?byte?received
******************************************************************/
uint8?SPISendByte（uint8?cData）
{
????while?（（SPI1->SR?&?SPI_I2S_FLAG_TXE）?==?RESET）;
????while?（（SPI1->SR?&?SPI_I2S_FLAG_BSY）?==?SET）;
????SPI1->DR?=?cData;
????while（（SPI1->SR?&?SPI_I2S_FLAG_RXNE）?==?RESET）;
????while（（SPI1->SR?&?SPI_I2S_FLAG_BSY）?==?SET）;
????return?SPI1->DR;
}



/*****************************************************************
**?function?name??:	?SPIReceiveByte
**?description????:??SPI1?receive?byte
**?input?parameter:??none
**?return?????????:	?byte?received
******************************************************************/
uint8?SPIReceiveByte（void）
{
????//uint8?i;
????//i=SPI1->DR;
????while（（SPI1->SR?&?SPI_I2S_FLAG_TXE）?==?RESET）;
????while（（SPI1->SR?&?S

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????7752??2010-09-04?10:29??W25Q16\W25Q16.c

?????文件????????932??2010-09-04?10:29??W25Q16\W25Q16.h

?????目錄??????????0??2010-12-14?17:37??W25Q16

-----------?---------??----------?-----??----

?????????????????8684????????????????????3