mirror of https://github.com/Desuuuu/klipper.git
88 lines
3.1 KiB
Python
88 lines
3.1 KiB
Python
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# FatFS CFFI support
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#
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# Copyright (C) 2021 Eric Callahan <arksine.code@gmail.com>
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#
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# This file may be distributed under the terms of the GNU GPLv3 license.
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import os
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import sys
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KLIPPER_DIR = os.path.abspath(os.path.join(
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os.path.dirname(__file__), "../../"))
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sys.path.append(os.path.join(KLIPPER_DIR, "klippy"))
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import chelper
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DEST_LIB = "fatfs.so"
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FATFS_DIR = os.path.join(KLIPPER_DIR, "lib/fatfs")
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FATFS_SRC = ["ff.c", "ffsystem.c", "ffunicode.c"]
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SPI_FLASH_SRC = ["fatfs_api.c"]
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FATFS_HEADERS = ["diskio.h", "ff.h", "ffconf.h"]
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SPI_FLASH_HEADERS = ["fatfs_api.h"]
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FATFS_CDEFS = """
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void fatfs_set_callbacks(
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uint8_t (*status_callback)(void),
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uint8_t (*init_callback)(void),
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uint8_t (*read_callback)(uint8_t*, uint32_t, unsigned int),
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uint8_t (*write_callback)(const uint8_t*, uint32_t, unsigned int),
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uint8_t (*ioctl_callback)(uint8_t, void*),
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uint32_t (*fattime_callback)(void));
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void fatfs_clear_callbacks(void);
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struct ff_file_info {
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uint32_t size;
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uint16_t modified_date;
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uint16_t modified_time;
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uint8_t attrs;
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char name[13];
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};
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struct ff_disk_info {
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char label[12];
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uint32_t serial_number;
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uint8_t fs_type;
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};
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uint8_t fatfs_mount(void);
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uint8_t fatfs_unmount(void);
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struct ff_file* fatfs_open(const char* path, uint8_t mode);
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uint8_t fatfs_close(struct ff_file* fhdl);
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int fatfs_read(struct ff_file* fhdl, void* rbuf, uint16_t btr);
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int fatfs_write(struct ff_file* fhdl, const void* wbuf, uint16_t btw);
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uint8_t fatfs_remove(const char* path);
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uint8_t fatfs_get_fstats(struct ff_file_info* finfo, const char* path);
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uint8_t fatfs_get_disk_info(struct ff_disk_info* dinfo);
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uint8_t fatfs_list_dir(struct ff_file_info* flist, uint8_t max_size,
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char* path);
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"""
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fatfs_ffi_main = None
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fatfs_ffi_lib = None
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def check_fatfs_build(printfunc=lambda o: o):
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printfunc("Checking FatFS CFFI Build...\n")
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ffi_main, ffi_lib = chelper.get_ffi()
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srcdir = os.path.dirname(os.path.realpath(__file__))
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srcfiles = chelper.get_abs_files(FATFS_DIR, FATFS_SRC)
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srcfiles.extend(chelper.get_abs_files(srcdir, SPI_FLASH_SRC))
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ofiles = chelper.get_abs_files(FATFS_DIR, FATFS_HEADERS)
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ofiles.extend(chelper.get_abs_files(srcdir, SPI_FLASH_HEADERS))
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destlib = os.path.join(srcdir, DEST_LIB)
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if chelper.check_build_code(srcfiles+ofiles+[__file__], destlib):
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if chelper.check_gcc_option(chelper.SSE_FLAGS):
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cmd = "%s %s %s" % (chelper.GCC_CMD, chelper.SSE_FLAGS,
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chelper.COMPILE_ARGS)
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else:
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cmd = "%s %s" % (chelper.GCC_CMD, chelper.COMPILE_ARGS)
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printfunc("Building FatFS shared library...")
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os.system(cmd % (destlib, ' '.join(srcfiles)))
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printfunc("Done\n")
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global fatfs_ffi_main, fatfs_ffi_lib
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ffi_main.cdef(FATFS_CDEFS)
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fatfs_ffi_lib = ffi_main.dlopen(destlib)
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fatfs_ffi_main = ffi_main
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def get_fatfs_ffi():
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global fatfs_ffi_main, fatfs_ffi_lib
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if fatfs_ffi_main is None:
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check_fatfs_build()
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return fatfs_ffi_main, fatfs_ffi_lib
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