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demo: SPI Flash interface working

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jaseg 2020-02-26 13:40:37 +01:00
parent 2964bda23c
commit fcbdab4ab2
4 changed files with 95 additions and 60 deletions
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12
controller/fw/spi_flash.h
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@ -2,7 +2,7 @@
#define __SPI_FLASH_H__
#include <stdbool.h>
#include <stdint.h>
#include <unistd.h>
struct spi_mem_id {
size_t size;
@ -13,10 +13,18 @@ struct spi_mem_id {
struct spi_flash_if {
struct spi_mem_id id;
uint32_t spi_base;
size_t page_size;
void (*cs)(bool val);
};
int spif_init(struct spi_mem_id *mem_data);
void spif_init(struct spi_flash_if *spif, size_t page_size, uint32_t spi_base, void (*cs)(bool val));
void spif_write(struct spi_flash_if *spif, size_t addr, size_t len, const char* data);
void spif_read(struct spi_flash_if *spif, size_t addr, size_t len, char* data);
void spif_clear_mem(struct spi_flash_if *spif);
void spif_clear_sector(struct spi_flash_if *spif, size_t addr);
void spif_deep_power_down(struct spi_flash_if *spif);
void spif_wakeup(struct spi_flash_if *spif);