int32_t flash_program2(const uint32_t &addr, const uint32_t &len, const uint8_t *data)
{
uint32_t i, laddr = addr;
// add offset
if (laddr>=FLASH_BEGIN && laddr<=FLASH_END)
laddr += FLASH_OFFSET;
// check range
if (laddr<FLASH_BEGIN_B || laddr>FLASH_END_B || laddr+len>FLASH_END_B)
return -1;
// erase all sectors spanned by this segment
for (i=FLASH_SECTOR_MASK(laddr); i<laddr+len; i+=FLASH_SECTOR_SIZE)
{
if (erase(i)<0)
return -3;
}
if (flash_program(laddr, data, len)<0)
return -2;
// verify
for (i=0; i<len; i++)
{
if (*(uint8_t *)(laddr+i) != data[i])
return -4;
}
return 0;
}
int32_t prm_setChirp(const char *id, const uint32_t &valLen, const uint8_t *val)
{
ParamRecord *rec;
uint8_t *buf;
uint32_t offset;
void *sector;
int32_t res = 0;
rec = prm_find(id);
if (rec==NULL)
{
// Good god this is an ugly hack. But, creating parameters should only be handled from within the firmware, so that the correct
// description can be inserted. There may be other parameters like this, such that when these parameters are lost, we want to resave,
// in which case, we should formalize this hack somehow.
if (strncmp(id, "Signature label", 15)==0)
{
char desc[100];
sprintf(desc, "@c Signature_Labels Sets the label for objects that match signature%s.", id+15);
prm_add(id, 0, desc, val[0], val+1, END);
return 0;
}
return -1;
}
buf = (uint8_t *)malloc(FLASH_SECTOR_SIZE);
if (buf==NULL)
return -2;
sector = (void *)FLASH_SECTOR_MASK((uint32_t)rec);
memcpy(buf, sector, FLASH_SECTOR_SIZE);
rec = prm_find(id, buf);
if (rec==NULL)
{
res = -1;
goto end;
}
offset = prm_getDataOffset(rec);
if (memcmp((uint8_t *)rec+offset, val, valLen)==0)
goto end;
memcpy((uint8_t *)rec+offset, val, valLen);
rec->len = valLen;
rec->crc = prm_crc(rec);
flash_erase((uint32_t)sector, FLASH_SECTOR_SIZE);
flash_program((uint32_t)sector, buf, FLASH_SECTOR_SIZE);
end:
free(buf);
return res;
}
int32_t flash_erase(uint32_t addr, uint32_t len)
{
SPIFIopers spifi;
uint32_t i;
// add offset
if (addr>=FLASH_BEGIN && addr<=FLASH_END)
addr += FLASH_OFFSET;
memset((void *)&spifi, 0, sizeof(spifi));
for (i=0; i<len; i+=FLASH_SECTOR_SIZE)
{
addr = FLASH_SECTOR_MASK(addr+i);
spifi.dest = (char *)addr;
spifi.length = FLASH_SECTOR_SIZE;
spifi.scratch = NULL;
spifi.options = S_VERIFY_ERASE;
if (spifi_erase(&g_spifi, &spifi))
return -1;
}
return 0;
}
int32_t prm_setChirp(const char *id, const uint32_t &valLen, const uint8_t *val)
{
ParamRecord *rec;
uint8_t *buf;
uint32_t offset;
void *sector;
buf = (uint8_t *)malloc(FLASH_SECTOR_SIZE);
if (buf==NULL)
return -2;
rec = prm_find(id);
if (rec==NULL)
return -1;
sector = (void *)FLASH_SECTOR_MASK((uint32_t)rec);
memcpy(buf, sector, FLASH_SECTOR_SIZE);
rec = prm_find(id, buf);
if (rec==NULL)
return -1;
offset = prm_getDataOffset(rec);
memcpy((uint8_t *)rec+offset, val, valLen);
rec->len = valLen;
rec->crc = prm_crc(rec);
flash_erase((uint32_t)sector, FLASH_SECTOR_SIZE);
flash_program((uint32_t)sector, buf, FLASH_SECTOR_SIZE);
free(buf);
return 0;
}