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/**
* \file
* \brief Unity tests for the cryptoauthlib OTP zone
*
* \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.
*
* \page License
*
* Subject to your compliance with these terms, you may use Microchip software
* and any derivatives exclusively with Microchip products. It is your
* responsibility to comply with third party license terms applicable to your
* use of third party software (including open source software) that may
* accompany Microchip software.
*
* THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
* EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
* WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
* PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT,
* SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE
* OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
* MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
* FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL
* LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
* THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR
* THIS SOFTWARE.
*/
#include <stdlib.h>
#include "atca_test.h"
#include "basic/atca_basic.h"
#include "host/atca_host.h"
#include "test/atca_tests.h"
TEST(atca_cmd_unit_test, otp_zero)
{
/* Not applicable... Leaving it as place holder */
}
TEST(atca_cmd_basic_test, otp_zero)
{
ATCA_STATUS status = ATCA_SUCCESS;
uint8_t config_chunk[4];
uint8_t zero_otp[ATCA_OTP_SIZE];
uint8_t read_otp[ATCA_OTP_SIZE];
int i;
test_assert_config_is_locked();
test_assert_data_is_locked();
// Make sure OTP is in consumption mode
status = atcab_read_zone(ATCA_ZONE_CONFIG, 0, 0, 4, config_chunk, 4);
TEST_ASSERT_EQUAL(ATCA_SUCCESS, status);
if (config_chunk[2] != 0x55)
{
TEST_IGNORE_MESSAGE("OTPMode must be consumption (0x55) for this test.");
}
// Read current state of OTP
status = atcab_read_bytes_zone(ATCA_ZONE_OTP, 0, 0, read_otp, sizeof(read_otp));
TEST_ASSERT_EQUAL(ATCA_SUCCESS, status);
// Make sure we still have some bits we can change to 0
for (i = 0; i < (int)sizeof(read_otp); i++)
{
if (read_otp[i] != 0)
{
break;
}
}
if (i >= (int)sizeof(read_otp))
{
TEST_IGNORE_MESSAGE("OTP is already set to all zeros, can't test.");
}
// Zero OTP
memset(zero_otp, 0, sizeof(zero_otp));
status = atcab_write_bytes_zone(ATCA_ZONE_OTP, 0, 0, zero_otp, sizeof(zero_otp));
TEST_ASSERT_EQUAL(ATCA_SUCCESS, status);
// Read current state of OTP
status = atcab_read_bytes_zone(ATCA_ZONE_OTP, 0, 0, read_otp, sizeof(read_otp));
TEST_ASSERT_EQUAL(ATCA_SUCCESS, status);
TEST_ASSERT_EQUAL_MEMORY(zero_otp, read_otp, sizeof(zero_otp));
}
// *INDENT-OFF* - Preserve formatting
t_test_case_info otpzero_basic_test_info[] =
{
{ REGISTER_TEST_CASE(atca_cmd_basic_test, otp_zero), DEVICE_MASK(ATSHA204A) | DEVICE_MASK(ATECC108A) | DEVICE_MASK(ATECC508A) },
{ (fp_test_case)NULL, (uint8_t)0 },/* Array Termination element*/
};
// *INDENT-ON*