252 lines
8.8 KiB
C
252 lines
8.8 KiB
C
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/*
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* This file is part of the Serial Flash Universal Driver Library.
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*
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* Copyright (c) 2016, Armink, <armink.ztl@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* 'Software'), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Function: It is the macro definition head file for this library.
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* Created on: 2016-04-23
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*/
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#ifndef _SFUD_DEF_H_
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#define _SFUD_DEF_H_
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#include <stdio.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <sfud_cfg.h>
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#include "sfud_flash_def.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* debug print function. Must be implement by user. */
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#ifdef SFUD_DEBUG_MODE
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#define SFUD_DEBUG(...) sfud_log_debug(__FILE__, __LINE__, __VA_ARGS__)
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#else
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#define SFUD_DEBUG(...)
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#endif
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#define SFUD_INFO(...) sfud_log_info(__VA_ARGS__)
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/* assert for developer. */
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#ifdef SFUD_DEBUG_MODE
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#define SFUD_ASSERT(EXPR) \
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if (!(EXPR)) \
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{ \
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SFUD_DEBUG("(%s) has assert failed at %s.", #EXPR, __FUNCTION__); \
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while (1); \
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}
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#else
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#define SFUD_ASSERT(EXPR)
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#endif
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/**
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* retry process
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*
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* @param delay delay function for every retry. NULL will not delay for every retry.
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* @param retry retry counts
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* @param result SFUD_ERR_TIMEOUT: retry timeout
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*/
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#define SFUD_RETRY_PROCESS(delay, retry, result) \
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void (*__delay_temp)(void) = (void (*)(void))delay; \
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if (retry == 0) {result = SFUD_ERR_TIMEOUT;break;} \
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else {if (__delay_temp) {__delay_temp();} retry --;}
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/* software version number */
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#define SFUD_SW_VERSION "0.10.06"
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/*
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* all defined supported command
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*/
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#ifndef SFUD_CMD_WRITE_ENABLE
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#define SFUD_CMD_WRITE_ENABLE 0x06
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#endif
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#ifndef SFUD_CMD_WRITE_DISABLE
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#define SFUD_CMD_WRITE_DISABLE 0x04
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#endif
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#ifndef SFUD_CMD_READ_STATUS_REGISTER
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#define SFUD_CMD_READ_STATUS_REGISTER 0x05
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#endif
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#ifndef SFUD_VOLATILE_SR_WRITE_ENABLE
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#define SFUD_VOLATILE_SR_WRITE_ENABLE 0x50
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#endif
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#ifndef SFUD_CMD_WRITE_STATUS_REGISTER
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#define SFUD_CMD_WRITE_STATUS_REGISTER 0x01
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#endif
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#ifndef SFUD_CMD_PAGE_PROGRAM
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#define SFUD_CMD_PAGE_PROGRAM 0x02
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#endif
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#ifndef SFUD_CMD_AAI_WORD_PROGRAM
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#define SFUD_CMD_AAI_WORD_PROGRAM 0xAD
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#endif
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#ifndef SFUD_CMD_ERASE_CHIP
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#define SFUD_CMD_ERASE_CHIP 0xC7
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#endif
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#ifndef SFUD_CMD_READ_DATA
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#define SFUD_CMD_READ_DATA 0x03
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#endif
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#ifndef SFUD_CMD_MANUFACTURER_DEVICE_ID
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#define SFUD_CMD_MANUFACTURER_DEVICE_ID 0x90
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#endif
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#ifndef SFUD_CMD_JEDEC_ID
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#define SFUD_CMD_JEDEC_ID 0x9F
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#endif
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#ifndef SFUD_CMD_READ_UNIQUE_ID
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#define SFUD_CMD_READ_UNIQUE_ID 0x4B
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#endif
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#ifndef SFUD_CMD_READ_SFDP_REGISTER
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#define SFUD_CMD_READ_SFDP_REGISTER 0x5A
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#endif
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#ifndef SFUD_CMD_ENABLE_RESET
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#define SFUD_CMD_ENABLE_RESET 0x66
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#endif
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#ifndef SFUD_CMD_RESET
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#define SFUD_CMD_RESET 0x99
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#endif
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#ifndef SFUD_CMD_ENTER_4B_ADDRESS_MODE
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#define SFUD_CMD_ENTER_4B_ADDRESS_MODE 0xB7
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#endif
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#ifndef SFUD_CMD_EXIT_4B_ADDRESS_MODE
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#define SFUD_CMD_EXIT_4B_ADDRESS_MODE 0xE9
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#endif
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#ifndef SFUD_WRITE_MAX_PAGE_SIZE
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#define SFUD_WRITE_MAX_PAGE_SIZE 256
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#endif
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/* send dummy data for read data */
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#ifndef SFUD_DUMMY_DATA
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#define SFUD_DUMMY_DATA 0xFF
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#endif
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/* maximum number of erase type support on JESD216 (V1.0) */
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#define SFUD_SFDP_ERASE_TYPE_MAX_NUM 4
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/**
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* status register bits
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*/
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enum {
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SFUD_STATUS_REGISTER_BUSY = (1 << 0), /**< busing */
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SFUD_STATUS_REGISTER_WEL = (1 << 1), /**< write enable latch */
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SFUD_STATUS_REGISTER_SRP = (1 << 7), /**< status register protect */
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};
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/**
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* error code
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*/
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typedef enum {
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SFUD_SUCCESS = 0, /**< success */
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SFUD_ERR_NOT_FOUND = 1, /**< not found or not supported */
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SFUD_ERR_WRITE = 2, /**< write error */
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SFUD_ERR_READ = 3, /**< read error */
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SFUD_ERR_TIMEOUT = 4, /**< timeout error */
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SFUD_ERR_ADDR_OUT_OF_BOUND = 5, /**< address is out of flash bound */
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} sfud_err;
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/* SPI bus write read data function type */
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typedef sfud_err (*spi_write_read_func)(const uint8_t *write_buf, size_t write_size, uint8_t *read_buf, size_t read_size);
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#ifdef SFUD_USING_SFDP
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/**
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* the SFDP (Serial Flash Discoverable Parameters) parameter info which used on this library
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*/
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typedef struct {
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bool available; /**< available when read SFDP OK */
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uint8_t major_rev; /**< SFDP Major Revision */
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uint8_t minor_rev; /**< SFDP Minor Revision */
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uint16_t write_gran; /**< write granularity (bytes) */
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uint8_t erase_4k; /**< 4 kilobyte erase is supported throughout the device */
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uint8_t erase_4k_cmd; /**< 4 Kilobyte erase command */
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bool sr_is_non_vola; /**< status register is supports non-volatile */
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uint8_t vola_sr_we_cmd; /**< volatile status register write enable command */
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bool addr_3_byte; /**< supports 3-Byte addressing */
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bool addr_4_byte; /**< supports 4-Byte addressing */
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uint32_t capacity; /**< flash capacity (bytes) */
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struct {
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uint32_t size; /**< erase sector size (bytes). 0x00: not available */
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uint8_t cmd; /**< erase command */
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} eraser[SFUD_SFDP_ERASE_TYPE_MAX_NUM]; /**< supported eraser types table */
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//TODO lots of fast read-related stuff (like modes supported and number of wait states/dummy cycles needed in each)
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} sfud_sfdp, *sfud_sfdp_t;
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#endif
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/**
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* SPI device
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*/
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typedef struct __sfud_spi {
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/* SPI device name */
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char *name;
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/* SPI bus write read data function */
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sfud_err (*wr)(const struct __sfud_spi *spi, const uint8_t *write_buf, size_t write_size, uint8_t *read_buf,
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size_t read_size);
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/* lock SPI bus */
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void (*lock)(const struct __sfud_spi *spi);
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/* unlock SPI bus */
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void (*unlock)(const struct __sfud_spi *spi);
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/* some user data */
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void *user_data;
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} sfud_spi, *sfud_spi_t;
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/**
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* serial flash device
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*/
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typedef struct {
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char *name; /**< serial flash name */
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size_t index; /**< index of flash device information table @see flash_table */
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sfud_flash_chip chip; /**< flash chip information */
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sfud_spi spi; /**< SPI device */
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bool init_ok; /**< initialize OK flag */
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bool addr_in_4_byte; /**< flash is in 4-Byte addressing */
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struct {
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void (*delay)(void); /**< every retry's delay */
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size_t times; /**< default times for error retry */
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} retry;
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void *user_data; /**< some user data */
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#ifdef SFUD_USING_SFDP
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sfud_sfdp sfdp; /**< serial flash discoverable parameters by JEDEC standard */
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#endif
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} sfud_flash, *sfud_flash_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SFUD_DEF_H_ */
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