bool past_write_unit(past_t id, void *data, uint32_t length)
{
bool success = false;
if (!past_end_addr)
past_end_addr = past_find_unit(PAST_UNITID_END);
if (past_end_addr) {
do {
uint32_t old_addr = past_find_unit(id);
PASTLOG(printf("Writing new unit at 0x%08x\n", (unsigned int) past_end_addr));
if (SPI_FLASH_RESULT_OK != sdk_spi_flash_write(past_end_addr, (void*) &id, 4))
break;
if (SPI_FLASH_RESULT_OK != sdk_spi_flash_write(past_end_addr+4, (void*) &length, 4))
break;
if (SPI_FLASH_RESULT_OK != sdk_spi_flash_write(past_end_addr+8, data, length))
break;
past_end_addr += 8 + length;
if (past_end_addr%4) past_end_addr += 4 - (past_end_addr%4); // Word align
if (old_addr != 0) {
uint32_t zero = 0;
PASTLOG(printf("Erasing old unit at 0x%08x\n", (unsigned int) old_addr));
if (SPI_FLASH_RESULT_OK != sdk_spi_flash_write(old_addr, (void*) &zero, 4))
break;
}
success = true;
} while(0);
}
return success;
}
bool past_erase_unit(past_t id)
{
uint32_t old_addr = past_find_unit(id);
bool success = false;
if (old_addr) {
uint32_t zero = 0;
if (SPI_FLASH_RESULT_OK == sdk_spi_flash_write(old_addr, (void*) &zero, 4))
success = true;
}
return success;
}
bool past_format(void)
{
bool success = false;
past_end_addr = 0;
do {
if (SPI_FLASH_RESULT_OK != sdk_spi_flash_erase_sector(PAST_SECTOR))
break;
if (SPI_FLASH_RESULT_OK != sdk_spi_flash_write(PAST_SECTOR*SPI_FLASH_SEC_SIZE, (void*) PAST_MAGIC, 4))
break;
past_end_addr = past_find_unit(PAST_UNITID_END);
if (past_end_addr)
success = true;
} while(0);
return success;
}
void write_saved_phy_info(const sdk_phy_info_t *info)
{
sdk_spi_flash_write(sdk_flashchip.chip_size - sdk_flashchip.sector_size * 4, (uint32_t *)info, sizeof(sdk_phy_info_t));
}
