/**
* \brief Fill the specified pattern to AT24CXX.
*
* \param u32_start_address The first address to be filled.
* \param u32_end_address The last address to be filled.
* \param u8_pattern The pattern to be filled.
*
* \return AT24C_WRITE_SUCCESS if the pattern was filled, AT24C_WRITE_FAIL
* otherwise.
*/
uint32_t at24cxx_fill_pattern(uint32_t u32_start_address,
uint32_t u32_end_address, uint8_t u8_pattern)
{
uint32_t addr;
for (addr = u32_start_address; addr < u32_end_address + 1; addr++) {
if (at24cxx_write_byte((uint16_t)addr, u8_pattern) !=
AT24C_WRITE_SUCCESS) {
return AT24C_WRITE_FAIL;
}
}
return AT24C_WRITE_SUCCESS;
}
/**
* \brief Test data read/write API functions.
*
* This test calls the data read/write API functions and check the data consistency.
*
* \param test Current test case.
*/
static void run_test_data_read_write(const struct test_case *test)
{
twi_options_t opt;
uint8_t data;
/* Configure the options of TWI driver */
opt.master_clk = sysclk_get_main_hz();
opt.speed = AT24C_TWI_CLK;
if (twi_master_init(BOARD_AT24C_TWI_INSTANCE, &opt) != TWI_SUCCESS) {
puts("AT24CXX initialization is failed.\r");
}
if (at24cxx_write_byte(AT24C_MEM_ADDR, 0xA5) != AT24C_WRITE_SUCCESS) {
puts("AT24CXX write packet is failed.\r");
}
mdelay(10);
if (at24cxx_read_byte(AT24C_MEM_ADDR, &data) != AT24C_READ_SUCCESS) {
puts("AT24CXX read packet is failed.\r");
}
test_assert_true(test, data == 0xA5, "Data is not consistent!");
}