177 lines
6.2 KiB
C
177 lines
6.2 KiB
C
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/*!
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*****************************************************************************
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** \file gd_lib/GK7101/inc/gd_spieeprom.h
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**
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** \version $Id$
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**
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** \brief
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**
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** \attention THIS SAMPLE CODE IS PROVIDED AS IS. GOKE MICROELECTRONICS
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** ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR
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** OMMISSIONS
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**
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** (C) Copyright 2012-2013 by GOKE MICROELECTRONICS CO.,LTD
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**
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*****************************************************************************
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*/
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#ifndef _GD_SPIEEPROM_H_
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#define _GD_SPIEEPROM_H_
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#include <gtypes.h>
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#include <gmodids.h>
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#include "gd_gpio.h"
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#include "gd_spi.h"
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//*****************************************************************************
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//*****************************************************************************
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//** Defines and Macros
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//** Enumerated types
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//*****************************************************************************
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//*****************************************************************************
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typedef enum
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{
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GD_SPI_EEPROM_AT25320B = 0,
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GD_SPI_EEPROM_AT25640B,
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GD_SPI_EEPROM_NUM
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}GD_SPI_EEPROM_E;
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/*!
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*******************************************************************************
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**
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** \anchor
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** \brief he base error code for the serial spi eeprom device driver.
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**
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*******************************************************************************
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*/
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#define GD_SPI_EEPROM_ERR_BASE (GD_SPI_EEPROM_MODULE_ID<<16)
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/*!
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*******************************************************************************
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**
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** \brief Flash driver error codes.
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**
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*******************************************************************************
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*/
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enum
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{
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GD_ERR_SPI_EEPROM_TYPE_NOT_SUPPORTED = GD_SPI_EEPROM_ERR_BASE, //!< Device not supported.
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GD_ERR_SPI_EEPROM_IN_USE, //!< Read error.
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GD_ERR_SPI_EEPROM_READ, //!< Read error.
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GD_ERR_SPI_EEPROM_WRITE, //!< Write error.
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};
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//*****************************************************************************
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//*****************************************************************************
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//** Data Structures
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//*****************************************************************************
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//*****************************************************************************
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/*
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*******************************************************************************
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**
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** serial spi eeprom specific commands and statis register bit definitions
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**
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*******************************************************************************
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*/
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typedef struct
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{
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U8 writeEnable; // command to WREN Set Write Enable Latch
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U8 writeDisable; // command to WRDI Reset Write Enable Latch
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U8 readStatus; // command to RDSR Read Status Register
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U8 writeStatus; // command to WRSR Write Status Register
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U8 readData; // command to READ Read Data from Memory Array
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U8 WriteData; // command to WRITE Write Data to Memory Array
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}GD_SPI_EEPROM_CMD_S;
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/*
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*******************************************************************************
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**
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** serial spi eeprom specific geometry and information data structure
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**
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*******************************************************************************
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*/
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typedef struct
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{
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char* manufactureName; // Pointer to manufacture name
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char* deviceName; // Pointer to device name
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U32 deviceBytes; // Size of spi eeprom device in bytes
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U32 sectorCount; // Number of sectors
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U32 sectorBytes; // Size of a single sector in bytes
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GD_SPI_EEPROM_CMD_S* commands; // Device specific access commands
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GBOOL wptoporbottom;
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GD_SPI_EEPROM_E device;
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GD_HANDLE spi;
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GD_HANDLE wp;
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GD_HANDLE hold;
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}GD_SPI_EEPROM_DEV_S;
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typedef struct
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{
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GD_SPI_EEPROM_E device;
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GD_SPI_CHANNEL_E channel;
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GD_SPI_SLAVE_E slave;
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GD_SPI_SPEED_MODE speed;
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GD_SPI_POLARITY_MODE polarity;
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GBOOL used_irq;
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GD_GPIO_PIN_E csgpiopin;
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GD_GPIO_TYPE_E csgpiotype;
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GD_GPIO_PIN_E wpgpiopin;
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GD_GPIO_TYPE_E wpgpiotype;
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GD_GPIO_PIN_E holdgpiopin;
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GD_GPIO_TYPE_E holdgpiotype;
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} GD_SPI_EEPROM_OPEN_PARAMS_S;
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//*****************************************************************************
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//*****************************************************************************
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//** Global Data
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//*****************************************************************************
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//** API Functions
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//*****************************************************************************
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C" {
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#endif
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GERR GD_SPI_EEPROM_Init(void);
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GERR GD_SPI_EEPROM_Exit(void);
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GERR GD_SPI_EEPROM_Open(GD_SPI_EEPROM_OPEN_PARAMS_S *openParamsP, GD_HANDLE* pHandle);
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GERR GD_SPI_EEPROM_Close(GD_HANDLE* pHandle);
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GERR GD_SPI_EEPROM_Read(GD_HANDLE handle, U32 address, U8* buffer, U32 bytes);
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GERR GD_SPI_EEPROM_Write(GD_HANDLE handle, U32 address, U8* buffer, U32 bytes);
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GERR GD_SPI_EEPROM_GetNames(GD_HANDLE handle, char** manufactureName, char** deviceName);
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GERR GD_SPI_EEPROM_GetNumberOfSectors(GD_HANDLE handle, U16* numberOfSectors);
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GERR GD_SPI_EEPROM_GetSectorAddress(GD_HANDLE handle, U16 sector, U32* address);
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GERR GD_SPI_EEPROM_GetSize(GD_HANDLE handle, U32* deviceBytes);
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GERR GD_SPI_EEPROM_GetSectorSize(GD_HANDLE handle, U16 sector, U32* deviceBytes);
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GERR GD_SPI_EEPROM_GetSector(GD_HANDLE handle, U32 address, U16* sector);
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GERR GD_SPI_EEPROM_Unlock(GD_HANDLE handle);
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GERR GD_SPI_EEPROM_Lock(GD_HANDLE handle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _GD_SPIEEPROM_H_ */
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