diff options
Diffstat (limited to 'spiflash_n25q128.h')
| -rw-r--r-- | spiflash_n25q128.h | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/spiflash_n25q128.h b/spiflash_n25q128.h index fefcb0d..926be56 100644 --- a/spiflash_n25q128.h +++ b/spiflash_n25q128.h @@ -6,7 +6,7 @@ * The Alpha board has two of these SPI flash memorys, the FPGA config memory * and the keystore memory. * - * Copyright (c) 2016, NORDUnet A/S All rights reserved. + * Copyright (c) 2016-2017, NORDUnet A/S All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are @@ -40,11 +40,13 @@ #include "stm32f4xx_hal.h" -#define N25Q128_COMMAND_READ_ID 0x9E -#define N25Q128_COMMAND_READ_PAGE 0x03 +#define N25Q128_COMMAND_READ 0x03 #define N25Q128_COMMAND_READ_STATUS 0x05 +#define N25Q128_COMMAND_READ_ID 0x9E #define N25Q128_COMMAND_WRITE_ENABLE 0x06 #define N25Q128_COMMAND_ERASE_SECTOR 0xD8 +#define N25Q128_COMMAND_ERASE_SUBSECTOR 0x20 +#define N25Q128_COMMAND_ERASE_BULK 0xC7 #define N25Q128_COMMAND_PAGE_PROGRAM 0x02 #define N25Q128_PAGE_SIZE 0x100 // 256 @@ -53,6 +55,9 @@ #define N25Q128_SECTOR_SIZE 0x10000 // 65536 #define N25Q128_NUM_SECTORS 0x100 // 256 +#define N25Q128_SUBSECTOR_SIZE 0x1000 // 4096 +#define N25Q128_NUM_SUBSECTORS 0x1000 // 4096 + #define N25Q128_SPI_TIMEOUT 1000 #define N25Q128_ID_MANUFACTURER 0x20 @@ -65,12 +70,17 @@ struct spiflash_ctx { uint16_t cs_n_pin; }; -extern int n25q128_check_id(struct spiflash_ctx *ctx); -extern int n25q128_get_wip_flag(struct spiflash_ctx *ctx); -extern int n25q128_read_page(struct spiflash_ctx *ctx, uint32_t page_offset, uint8_t *page_buffer); -extern int n25q128_write_page(struct spiflash_ctx *ctx, uint32_t page_offset, const uint8_t *page_buffer); -extern int n25q128_erase_sector(struct spiflash_ctx *ctx, uint32_t sector_offset); +extern HAL_StatusTypeDef n25q128_check_id(struct spiflash_ctx *ctx); +extern HAL_StatusTypeDef n25q128_read_data(struct spiflash_ctx *ctx, uint32_t offset, uint8_t *buf, const uint32_t len); +extern HAL_StatusTypeDef n25q128_write_page(struct spiflash_ctx *ctx, uint32_t page_offset, const uint8_t *page_buffer); +extern HAL_StatusTypeDef n25q128_write_data(struct spiflash_ctx *ctx, uint32_t offset, const uint8_t *buf, const uint32_t len); +extern HAL_StatusTypeDef n25q128_erase_subsector(struct spiflash_ctx *ctx, uint32_t subsector_offset); +extern HAL_StatusTypeDef n25q128_erase_sector(struct spiflash_ctx *ctx, uint32_t sector_offset); +extern HAL_StatusTypeDef n25q128_erase_bulk(struct spiflash_ctx *ctx); + +#define n25q128_read_page(ctx, page_offset, page_buffer) \ + n25q128_read_data(ctx, page_offset * N25Q128_PAGE_SIZE, page_buffer, N25Q128_PAGE_SIZE) +#define n25q128_read_subsector(ctx, subsector_offset, subsector_buffer) \ + n25q128_read_data(ctx, subsector_offset * N25Q128_SUBSECTOR_SIZE, subsector_buffer, N25Q128_SUBSECTOR_SIZE) -extern int n25q128_write_data(struct spiflash_ctx *ctx, uint32_t offset, const uint8_t *buf, const uint32_t len); -extern int n25q128_read_data(struct spiflash_ctx *ctx, uint32_t offset, uint8_t *buf, const uint32_t len); #endif /* __STM32_SPIFLASH_N25Q128_H */ |