dearsky/pico-hsm
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Allow for null data write to allocate physical space.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-02-25 17:03:05 +01:00
parent 857aaf2679
commit 6777221e48
2 changed files with 7 additions and 2 deletions
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6
flash.c
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@@ -141,7 +141,8 @@ int flash_write_data_to_file(file_t *file, const uint8_t *data, uint16_t len) {
uint16_t size_file_flash = flash_read_uint16((uintptr_t)file->data); uint16_t size_file_flash = flash_read_uint16((uintptr_t)file->data);
if (len <= size_file_flash) { //it fits, no need to move it if (len <= size_file_flash) { //it fits, no need to move it
flash_program_halfword((uintptr_t)file->data, len); flash_program_halfword((uintptr_t)file->data, len);
flash_program_block((uintptr_t)file->data+sizeof(uint16_t), data, len); if (data)
flash_program_block((uintptr_t)file->data+sizeof(uint16_t), data, len);
return HSM_OK; return HSM_OK;
} }
else { //we clear the old file else { //we clear the old file
@@ -155,6 +156,7 @@ int flash_write_data_to_file(file_t *file, const uint8_t *data, uint16_t len) {
file->data = (uint8_t *)new_addr+sizeof(uintptr_t)+sizeof(uint16_t); //next addr+fid file->data = (uint8_t *)new_addr+sizeof(uintptr_t)+sizeof(uint16_t); //next addr+fid
flash_program_halfword(new_addr+sizeof(uintptr_t), file->fid); flash_program_halfword(new_addr+sizeof(uintptr_t), file->fid);
flash_program_halfword((uintptr_t)file->data, len); flash_program_halfword((uintptr_t)file->data, len);
flash_program_block((uintptr_t)file->data+sizeof(uint16_t), data, len); if (data)
flash_program_block((uintptr_t)file->data+sizeof(uint16_t), data, len);
return HSM_OK; return HSM_OK;
} }

3
low_flash.c
View File

@@ -132,6 +132,9 @@ int flash_program_block(uintptr_t addr, const uint8_t *data, size_t len) {
uintptr_t addr_alg = addr & -FLASH_SECTOR_SIZE; uintptr_t addr_alg = addr & -FLASH_SECTOR_SIZE;
page_flash_t *p = NULL; page_flash_t *p = NULL;
if (!data || len == 0)
return HSM_ERR_NULL_PARAM;
mutex_enter_blocking(&mtx_flash); mutex_enter_blocking(&mtx_flash);
if (ready_pages == TOTAL_FLASH_PAGES) { if (ready_pages == TOTAL_FLASH_PAGES) {
mutex_exit(&mtx_flash); mutex_exit(&mtx_flash);