/**
* \brief Test EEPROM write buffer
*
* This test erases test page \ref TEST_WRITE_BUFFER_PAGE then writes a buffer
* to the test page, and then overwrites this with the another buffer and checks
* that the last buffer written is what the page is containing.
*
* \param test Current test case.
*/
static void run_eeprom_write_buffer_test(const struct test_case *test)
{
uint8_t buffer[EEPROM_PAGE_SIZE];
bool success;
set_buffer(buffer, EEPROM_ERASED);
buffer[0] = 0x11;
buffer[1] = 0xaa;
buffer[2] = 0xee;
buffer[3] = 0x22;
// Erase page
nvm_eeprom_erase_bytes_in_page(TEST_WRITE_BUFFER_PAGE);
// Write buffer to EEPROM
nvm_eeprom_erase_and_write_buffer(TEST_WRITE_BUFFER_PAGE *
EEPROM_PAGE_SIZE, &buffer, EEPROM_PAGE_SIZE);
/* Write another buffer to EEPROM to make sure EEPROM is deleted before
* written to.
*/
buffer[0] = 0x33;
buffer[1] = 0x11;
buffer[2] = 0xee;
buffer[3] = 0xaa;
nvm_eeprom_erase_and_write_buffer(TEST_WRITE_BUFFER_PAGE *
EEPROM_PAGE_SIZE, &buffer, EEPROM_PAGE_SIZE);
// Check that what we have written is in EEPROM.
success = is_eeprom_page_equal_to_buffer(TEST_WRITE_BUFFER_PAGE, buffer);
test_assert_true(test, success, "Write buffer failed");
}
void system_config_save(char* command)
{
UNUSED(command);
system_config_check();
nvm_eeprom_erase_and_write_buffer((eeprom_addr_t) &EEPROM_PDICLOCK, &(systemconfig.pdiclock), sizeof(EEPROM_PDICLOCK));
nvm_eeprom_erase_and_write_buffer((eeprom_addr_t) &EEPROM_TPICLOCK, &(systemconfig.tpiclock), sizeof(EEPROM_TPICLOCK));
nvm_eeprom_erase_and_write_buffer((eeprom_addr_t) &EEPROM_VERSION, &(systemconfig.version), sizeof(EEPROM_VERSION));
nvm_eeprom_erase_and_write_buffer((eeprom_addr_t) &EEPROM_DRIVER, &(systemconfig.driver), sizeof(EEPROM_DRIVER));
}
/**
* \brief Copy a RAM buffer to a eeprom memory section
*
* \param dst Pointer to flash destination.
* \param src Pointer to source data.
* \param nbytes Number of bytes to transfer.
*/
static void mem_eeprom_write(isp_addr_t dst, const void *src, uint16_t nbytes)
{
#if (FLASH_SIZE==0x10000)
// Optimize CODE space (150B), but decrease the speed
// 24s to program 2KB instead of 1s
while (nbytes--) {
nvm_eeprom_write_byte(dst++, *(uint8_t*)src);
src = (uint8_t*)src + 1;
}
#else
nvm_eeprom_erase_and_write_buffer(dst, src, nbytes);
#endif
}
status_code_t nvm_write(mem_type_t mem, uint32_t address, void *buffer,
uint32_t len)
{
switch (mem) {
case INT_FLASH:
nvm_flash_erase_and_write_buffer((flash_addr_t)address,
(const void *)buffer, len, true);
break;
case INT_USERPAGE:
nvm_user_sig_write_buffer((flash_addr_t)address,
(const void *)buffer, len, true);
break;
case INT_EEPROM:
nvm_eeprom_erase_and_write_buffer((eeprom_addr_t)address,
(const void *)buffer, len);
break;
#if defined(USE_EXTMEM) && defined(CONF_BOARD_AT45DBX)
case AT45DBX:
{
uint32_t sector = address / AT45DBX_SECTOR_SIZE;
if (!at45dbx_write_sector_open(sector)) {
return ERR_BAD_ADDRESS;
}
at45dbx_write_sector_from_ram((const void *)buffer);
at45dbx_write_close();
}
break;
#endif
default:
return ERR_INVALID_ARG;
}
return STATUS_OK;
}
