88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
# FatFS CFFI support
|
|
#
|
|
# Copyright (C) 2021 Eric Callahan <arksine.code@gmail.com>
|
|
#
|
|
# This file may be distributed under the terms of the GNU GPLv3 license.
|
|
import os
|
|
import sys
|
|
KLIPPER_DIR = os.path.abspath(os.path.join(
|
|
os.path.dirname(__file__), "../../"))
|
|
sys.path.append(os.path.join(KLIPPER_DIR, "klippy"))
|
|
import chelper
|
|
|
|
DEST_LIB = "fatfs.so"
|
|
FATFS_DIR = os.path.join(KLIPPER_DIR, "lib/fatfs")
|
|
FATFS_SRC = ["ff.c", "ffsystem.c", "ffunicode.c"]
|
|
SPI_FLASH_SRC = ["fatfs_api.c"]
|
|
FATFS_HEADERS = ["diskio.h", "ff.h", "ffconf.h"]
|
|
SPI_FLASH_HEADERS = ["fatfs_api.h"]
|
|
|
|
FATFS_CDEFS = """
|
|
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_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);
|
|
"""
|
|
|
|
fatfs_ffi_main = None
|
|
fatfs_ffi_lib = None
|
|
|
|
def check_fatfs_build(printfunc=lambda o: o):
|
|
printfunc("Checking FatFS CFFI Build...\n")
|
|
ffi_main, ffi_lib = chelper.get_ffi()
|
|
srcdir = os.path.dirname(os.path.realpath(__file__))
|
|
srcfiles = chelper.get_abs_files(FATFS_DIR, FATFS_SRC)
|
|
srcfiles.extend(chelper.get_abs_files(srcdir, SPI_FLASH_SRC))
|
|
ofiles = chelper.get_abs_files(FATFS_DIR, FATFS_HEADERS)
|
|
ofiles.extend(chelper.get_abs_files(srcdir, SPI_FLASH_HEADERS))
|
|
destlib = os.path.join(srcdir, DEST_LIB)
|
|
if chelper.check_build_code(srcfiles+ofiles+[__file__], destlib):
|
|
if chelper.check_gcc_option(chelper.SSE_FLAGS):
|
|
cmd = "%s %s %s" % (chelper.GCC_CMD, chelper.SSE_FLAGS,
|
|
chelper.COMPILE_ARGS)
|
|
else:
|
|
cmd = "%s %s" % (chelper.GCC_CMD, chelper.COMPILE_ARGS)
|
|
printfunc("Building FatFS shared library...")
|
|
chelper.do_build_code(cmd % (destlib, ' '.join(srcfiles)))
|
|
printfunc("Done\n")
|
|
global fatfs_ffi_main, fatfs_ffi_lib
|
|
ffi_main.cdef(FATFS_CDEFS)
|
|
fatfs_ffi_lib = ffi_main.dlopen(destlib)
|
|
fatfs_ffi_main = ffi_main
|
|
|
|
def get_fatfs_ffi():
|
|
global fatfs_ffi_main, fatfs_ffi_lib
|
|
if fatfs_ffi_main is None:
|
|
check_fatfs_build()
|
|
return fatfs_ffi_main, fatfs_ffi_lib
|