spi_flash.h

实现AT45DB161D的读写源码

/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name          : spi_flash.h
* Author             : MCD Application Team
* Version            : V2.0.3
* Date               : 09/22/2008
* Description        : Header for spi_flash.c file.
********************************************************************************
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __SPI_FLASH_H
#define __SPI_FLASH_H

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_lib.h"

/* Exported types ------------------------------------------------------------*/
/* Exported constants --------------------------------------------------------*/
/* Uncomment the line corresponding to the STMicroelectronics evaluation board
   used to run the example */
#if !defined (USE_STM3210B_EVAL) &&  !defined (USE_STM3210E_EVAL)
 //#define USE_STM3210B_EVAL
 #define USE_STM3210E_EVAL
#endif

#ifdef USE_STM3210B_EVAL
 #define GPIO_CS                  GPIOA
 #define RCC_APB2Periph_GPIO_CS   RCC_APB2Periph_GPIOA
 #define GPIO_Pin_CS              GPIO_Pin_4 
#else /* USE_STM3210E_EVAL */
 #define GPIO_CS                  GPIOC
 #define RCC_APB2Periph_GPIO_CS   RCC_APB2Periph_GPIOC
 #define GPIO_Pin_CS              GPIO_Pin_7
#endif

/* Exported macro ------------------------------------------------------------*/
/* Select SPI FLASH: Chip Select pin low  */
#define SPI_FLASH_CS_LOW()       GPIO_ResetBits(GPIOC, GPIO_Pin_7)
/* Deselect SPI FLASH: Chip Select pin high */
#define SPI_FLASH_CS_HIGH()      GPIO_SetBits(GPIOC, GPIO_Pin_7)
#define USART_FLAG_TC                        ((u16)0x0040)
#define USART_FLAG_TXE                       ((u16)0x0080)
#define USART_StopBits_1                     ((u16)0x0000)
#define USART_WordLength_8b                  ((u16)0x0000)
#define USART_Parity_No                      ((u16)0x0000)
#define USART_Mode_Rx                        ((u16)0x0004)
#define USART_Mode_Tx                        ((u16)0x0008)
#define USART_HardwareFlowControl_None       ((u16)0x0000)
#define USART_IT_RXNE                        ((u16)0x0525)
 #define USART1 ((USART_TypeDef*) USART1_BASE)
 #define PERIPH_BASE           ((u32)0x40000000)
#define APB2PERIPH_BASE       (PERIPH_BASE + 0x10000)
  #define USART1_BASE           (APB2PERIPH_BASE + 0x3800)
typedef struct
{
  u32 USART_BaudRate;
  u16 USART_WordLength;
  u16 USART_StopBits;
  u16 USART_Parity;
  u16 USART_Mode;
  u16 USART_HardwareFlowControl;  
} USART_InitTypeDef;


/* Exported functions ------------------------------------------------------- */
/*----- High layer function -----*/
void SPI_FLASH_Init(void);
void SPI_FLASH_PageErase(u32 SectorAddr);
void SPI_FLASH_BulkErase(void);
void SPI_FLASH_PageWrite(u8* pBuffer, u32 WriteAddr, u16 NumByteToWrite);
void SPI_FLASH_BufferWrite(u8* pBuffer, u32 WriteAddr, u16 NumByteToWrite);
//void SPI_FLASH_BufferRead(u8* pBuffer, u32 ReadAddr, u16 NumByteToRead);
u32 SPI_FLASH_ReadID(void);

void SPI_FLASH_BufferTransfer(u8* pBuffer, u32 ReadAddr, u16 NumByteToRead);
void SPI_FLASH_BufferRead(u8* pBuffer, u32 ReadAddr, u16 NumByteToRead);
/*----- Low layer function -----*/
u8 SPI_FLASH_ReadByte(void);
u8 SPI_FLASH_SendByte(u8 byte);
u16 SPI_FLASH_SendHalfWord(u16 HalfWord);
void SPI_FLASH_WaitForWriteEnd(void);
 void USART1_Configuration(void);
void USART1Write(u8* data,u16 len);
  void USART_SendData(USART_TypeDef* USARTx, u16 Data);
 FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, u16 USART_FLAG);
 void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
void USART_ITConfig(USART_TypeDef* USARTx, u16 USART_IT, FunctionalState NewState);
#endif /* __SPI_FLASH_H */

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/