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supervisor: Prepare for multiple files with optional contents

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This commit is contained in:
Jeff Epler 2024-01-29 13:17:05 -06:00
parent ebe839044f
commit 616b14fd8d
1 changed files with 13 additions and 10 deletions
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23
supervisor/shared/filesystem.c
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@ -70,20 +70,23 @@ static void make_empty_file(FATFS *fatfs, const char *path) {
f_close(&fp);
}
#if CIRCUITPY_FULL_BUILD
#define MAKE_FILE_WITH_OPTIONAL_CONTENTS(fatfs, filename, string_literal) do { \
const byte buffer[] = string_literal; \
make_file_with_contents(fatfs, filename, buffer, sizeof(buffer) - 1); \
} while (0)
static void make_sample_code_file(FATFS *fatfs) {
#if CIRCUITPY_FULL_BUILD
static void make_file_with_contents(FATFS *fatfs, const char *filename, const byte *content, UINT size) {
FIL fs;
UINT char_written = 0;
const byte buffer[] = "print(\"Hello World!\")\n";
// Create or modify existing code.py file
f_open(fatfs, &fs, "/code.py", FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fs, buffer, sizeof(buffer) - 1, &char_written);
f_open(fatfs, &fs, filename, FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fs, content, size, &size);
f_close(&fs);
#else
make_empty_file(fatfs, "/code.py");
#endif
}
#else
#define MAKE_FILE_WITH_OPTIONAL_CONTENTS(fatfs, filename, string_literal) \
make_empty_file(fatfs, filename)
#endif
// we don't make this function static because it needs a lot of stack and we
// want it to be executed without using stack within main() function
@ -141,7 +144,7 @@ bool filesystem_init(bool create_allowed, bool force_create) {
make_empty_file(&vfs_fat->fatfs, "/settings.toml");
#endif
// make a sample code.py file
make_sample_code_file(&vfs_fat->fatfs);
MAKE_FILE_WITH_OPTIONAL_CONTENTS(&vfs_fat->fatfs, "/code.py", "print(\"Hello World!\")\n");
// create empty lib directory
res = f_mkdir(&vfs_fat->fatfs, "/lib");