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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2026-04-21 00:06:28 +02:00
parent 0d3a1bdf51
commit e24eb9b150
12 changed files with 102 additions and 116 deletions
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26
src/fs/flash.c
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@@ -36,6 +36,7 @@ uint32_t FLASH_SIZE_BYTES = (2 * 1024 * 1024);
#include "file.h"
extern void low_flash_task(void);
extern void low_flash_commit(void);
/*
* ------------------------------------------------------
@@ -111,27 +112,6 @@ static uintptr_t allocate_free_addr(uint16_t size, bool persistent) {
return 0x0; //probably never reached
}
int flash_clear_file(file_t *file) {
if (file == NULL || file->data == NULL) {
return PICOKEYS_OK;
}
uintptr_t base_addr = (uintptr_t)(file->data - sizeof(uintptr_t) - sizeof(uint16_t) - sizeof(uintptr_t));
uintptr_t prev_addr = flash_read_uintptr(base_addr + sizeof(uintptr_t));
uintptr_t next_addr = flash_read_uintptr(base_addr);
//printf("nc %lx->%lx %lx->%lx\n",prev_addr,flash_read_uintptr(prev_addr),base_addr,next_addr);
flash_program_uintptr(prev_addr, next_addr);
flash_program_halfword((uintptr_t) file->data, 0);
if (next_addr > 0) {
flash_program_uintptr(next_addr + sizeof(uintptr_t), prev_addr);
}
flash_program_uintptr(base_addr, 0);
flash_program_uintptr(base_addr + sizeof(uintptr_t), 0);
file->data = NULL;
num_files--;
//printf("na %lx->%lx\n",prev_addr,flash_read_uintptr(prev_addr));
return PICOKEYS_OK;
}
static int flash_write_data_to_file_offset(file_t *file, const uint8_t *data, uint16_t len, uint16_t offset) {
if (!file) {
return PICOKEYS_ERR_NULL_PARAM;
@@ -209,3 +189,7 @@ uint32_t flash_size(void) {
void flash_task(void) {
low_flash_task();
}
void flash_commit(void) {
low_flash_commit();
}