33 lines
842 B
C
33 lines
842 B
C
#ifndef __SPI_FLASH_H__
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#define __SPI_FLASH_H__
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#include <stdbool.h>
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#include <unistd.h>
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#include <stm32f407xx.h>
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struct spi_mem_id {
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size_t size;
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uint8_t mfg_id;
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uint8_t type;
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};
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struct spi_flash_if {
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struct spi_mem_id id;
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volatile SPI_TypeDef *spi;
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size_t page_size;
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void (*cs)(bool val);
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};
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void spif_init(struct spi_flash_if *spif, size_t page_size, SPI_TypeDef *spi, void (*cs)(bool val));
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void spif_write(struct spi_flash_if *spif, size_t addr, size_t len, const char* data);
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ssize_t spif_read(struct spi_flash_if *spif, size_t addr, size_t len, char* data);
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void spif_clear_mem(struct spi_flash_if *spif);
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void spif_clear_sector(struct spi_flash_if *spif, size_t addr);
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void spif_deep_power_down(struct spi_flash_if *spif);
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void spif_wakeup(struct spi_flash_if *spif);
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#endif /* __SPI_FLASH_H__ */
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