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spi_flash: support for firmware upgrades via SD Card

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This module connects directly to MCU's previously flashed with Klipper, uploads Klipper firmware to an attached SD Card, and performs a device reset to intiate the bootloader's update process.

Signed-off-by:  Eric Callahan <arksine.code@gmail.com>
This commit is contained in:
Arksine 2021-02-03 06:54:00 -05:00 • committed by KevinOConnor
parent 7699834a61
commit 44c1caf2b9
5 changed files with 1574 additions and 0 deletions
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50
scripts/spi_flash/fatfs_api.h Normal file
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// Python CFFI definitions for fatfs
//
// Copyright (C) 2021 Eric Callahan <arksine.code@gmail.com>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
#ifndef FATFS_API_H
#define FATFS_API_H
#include <stdint.h> // uint8_t
#define __visible __attribute__((externally_visible))
void fatfs_set_callbacks(
uint8_t (*status_callback)(void),
uint8_t (*init_callback)(void),
uint8_t (*read_callback)(uint8_t*, uint32_t, unsigned int),
uint8_t (*write_callback)(const uint8_t*, uint32_t, unsigned int),
uint8_t (*ioctl_callback)(uint8_t, void*),
uint32_t (*fattime_callback)(void));
void fatfs_clear_callbacks(void);
struct ff_file;
struct ff_file_info {
uint32_t size;
uint16_t modified_date;
uint16_t modified_time;
uint8_t attrs;
char name[13];
};
struct ff_disk_info {
char label[12];
uint32_t serial_number;
uint8_t fs_type;
};
uint8_t fatfs_mount(void);
uint8_t fatfs_unmount(void);
struct ff_file* fatfs_open(const char* path, uint8_t mode);
uint8_t fatfs_close(struct ff_file* fhdl);
int fatfs_read(struct ff_file* fhdl, void* rbuf, uint16_t btr);
int fatfs_write(struct ff_file* fhdl, const void* wbuf, uint16_t btw);
uint8_t fatfs_remove(const char* path);
uint8_t fatfs_get_fstats(struct ff_file_info* finfo, const char* path);
uint8_t fatfs_get_disk_info(struct ff_disk_info* dinfo);
uint8_t fatfs_list_dir(struct ff_file_info* flist, uint8_t max_size,
char* path);
#endif