j3d1/esp-open-rtos
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

sysparam: buffer writes.

Browse source 
If the source is in the flash then the write to the flash seems to just
write zeros, and since it is common for the key to be a constant
string, buffer all writes.
This commit is contained in:
ourairquality 2016-08-18 20:50:10 +10:00
parent 40dc3bf945
commit 77e584d28f
1 changed files with 17 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
core/sysparam.c
View file

@ -116,16 +116,18 @@ static struct {
/***************************** Internal routines *****************************/
static inline IRAM sysparam_status_t _do_write(uint32_t addr, const void *data, size_t data_size) {
CHECK_FLASH_OP(sdk_spi_flash_write(addr, (void*) data, data_size));
/* The buffer is needed in case the source is in the flash. */
static inline IRAM sysparam_status_t _do_write(uint32_t addr, const void *data, void *buffer, size_t data_size) {
memcpy(buffer, data, data_size);
CHECK_FLASH_OP(sdk_spi_flash_write(addr, buffer, data_size));
return SYSPARAM_OK;
}
static inline IRAM sysparam_status_t _do_verify(uint32_t addr, const void *data, void *buffer, size_t len) {
CHECK_FLASH_OP(sdk_spi_flash_read(addr, buffer, len));
if (memcmp(data, buffer, len)) {
if (memcmp(data, buffer, len))
return SYSPARAM_ERR_IO;
}
return SYSPARAM_OK;
}
@ -134,22 +136,20 @@ static IRAM sysparam_status_t _write_and_verify(uint32_t addr, const void *data,
int i;
size_t count;
sysparam_status_t status = SYSPARAM_OK;
uint8_t *verify_buf = malloc(VERIFY_BUF_SIZE);
uint8_t *buf = malloc(VERIFY_BUF_SIZE);
if (!verify_buf) return SYSPARAM_ERR_NOMEM;
do {
status = _do_write(addr, data, data_size);
if (status != SYSPARAM_OK) break;
if (!buf) return SYSPARAM_ERR_NOMEM;
for (i = 0; i < data_size; i += VERIFY_BUF_SIZE) {
count = min(data_size - i, VERIFY_BUF_SIZE);
status = _do_verify(addr + i, data + i, verify_buf, count);
status = _do_write(addr + i, data + i, buf, count);
if (status != SYSPARAM_OK) break;
status = _do_verify(addr + i, data + i, buf, count);
if (status != SYSPARAM_OK) {
debug(1, "Flash write (@ 0x%08x) verify failed!", addr);
break;
}
}
} while (false);
free(verify_buf);
free(buf);
return status;
}