Пример #1
0
/**
 * Test nvm_eeprom_load_byte_to_buffer(), nvm_eeprom_flush_buffer() and
 * nvm_eeprom_atomic_write_page()
 *
 * Test procedure:
 * - Erase the TEST_ATOMIC_WRITE_PAGE page.
 * - Load byte and then flush the buffer at one location.
 * - Load two more bytes at a different location.
 * - Write the page.
 * - Verify that only two bytes are written and the rest of the page is erased.
 *
 * \return STATUS_OK if test succeeded, otherwise ERR_BAD_DATA
 */
static status_code_t test_atomic_write(void)
{
	nvm_eeprom_erase_page(TEST_ATOMIC_WRITE_PAGE);

	/* Load a dummy byte and then flush the buffer to remove the byte from
	 * the buffer. The byte should not be written to the EEPROM.
	 */
	nvm_eeprom_load_byte_to_buffer(0, 55);
	nvm_eeprom_flush_buffer();

	/* Load some additional bytes */
	set_buffer(buffer, EEPROM_ERASED);
	buffer[1] = 0xaa;
	buffer[2] = 0x19;
	nvm_eeprom_load_byte_to_buffer(1, buffer[1]);
	nvm_eeprom_load_byte_to_buffer(2, buffer[2]);
	/* Erase and then write page */
	nvm_eeprom_atomic_write_page(TEST_ATOMIC_WRITE_PAGE);

	if (is_eeprom_page_equal_to_buffer(TEST_ATOMIC_WRITE_PAGE, buffer)) {
		return STATUS_OK;
	}

	return ERR_BAD_DATA;
}
Пример #2
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/**
 * \brief Test EEPROM atomic write
 *
 * This test erases test page \ref TEST_ATOMIC_WRITE_PAGE, then writes the first
 * byte in the page buffer before flushing it -- this byte should then not be
 * written to the EEPROM -- and writing different values to the two successive
 * bytes. An atomic write is then executed before the write of the latter two
 * bytes is verified.
 *
 * \param test Current test case.
 */
static void run_eeprom_atomic_write_test(const struct test_case *test)
{
	uint8_t buffer[EEPROM_PAGE_SIZE];
	bool    success;

	nvm_eeprom_erase_page(TEST_ATOMIC_WRITE_PAGE);

	/* Load a dummy byte and then flush the buffer to remove the byte from
	 * the buffer. The byte should not be written to the EEPROM.
	 */
	nvm_eeprom_load_byte_to_buffer(0, 55);
	nvm_eeprom_flush_buffer();

	/* Load some additional bytes */
	set_buffer(buffer, EEPROM_ERASED);
	buffer[1] = 0xaa;
	buffer[2] = 0x19;
	nvm_eeprom_load_byte_to_buffer(1, buffer[1]);
	nvm_eeprom_load_byte_to_buffer(2, buffer[2]);
	/* Erase and then write page */
	nvm_eeprom_atomic_write_page(TEST_ATOMIC_WRITE_PAGE);

	success = is_eeprom_page_equal_to_buffer(TEST_ATOMIC_WRITE_PAGE, buffer);
	test_assert_true(test, success,
			"Page buffer flush, byte load or atomic write failed");
}
Пример #3
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/**
 * \brief Write buffer within the eeprom
 *
 * \param address   the address to where to write
 * \param buf       pointer to the data
 * \param len       the number of bytes to write
 */
void nvm_eeprom_erase_and_write_buffer(eeprom_addr_t address, const void *buf, uint16_t len)
{
	while (len) {
		if (((address%EEPROM_PAGE_SIZE)==0) && (len>=EEPROM_PAGE_SIZE)) {
			// A full page can be written
			nvm_eeprom_load_page_to_buffer((uint8_t*)buf);
			nvm_eeprom_atomic_write_page(address/EEPROM_PAGE_SIZE);
			address += EEPROM_PAGE_SIZE;
			buf = (uint8_t*)buf + EEPROM_PAGE_SIZE;
			len -= EEPROM_PAGE_SIZE;
		} else {
			nvm_eeprom_write_byte(address++, *(uint8_t*)buf);
			buf = (uint8_t*)buf + 1;
			len--;
		}
	}
}
Пример #4
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/**
 * Test nvm_eeprom_split_write_page()
 *
 * Test procedure:
 * - Erase TEST_SPLIT_WRITE_PAGE page and then write 2 bytes
 *   to TEST_SPLIT_WRITE_PAGE by using an atomic write
 * - Write 1 additional byte at another location using a split write
 * - Verify that all 3 bytes written correctly and that the rest of the page
 *   is erased.
 *
 * \return STATUS_OK if test succeeded, otherwise ERR_BAD_DATA
 */
static status_code_t test_split_write(void)
{
	/* Erase and then program two bytes into the page */
	set_buffer(buffer, EEPROM_ERASED);
	buffer[1] = 0xaa;
	buffer[2] = 0x19;
	nvm_eeprom_load_byte_to_buffer(1, buffer[1]);
	nvm_eeprom_load_byte_to_buffer(2, buffer[2]);
	nvm_eeprom_atomic_write_page(TEST_SPLIT_WRITE_PAGE);

	/*
	 * Write another value to the EEPROM and then verify that all three bytes
	 * are present, ie. the split write does not delete the first two bytes.
	 */
	buffer[3] = 0xa7;
	nvm_eeprom_load_byte_to_buffer(3, buffer[3]);
	nvm_eeprom_split_write_page(TEST_SPLIT_WRITE_PAGE);

	if (is_eeprom_page_equal_to_buffer(TEST_SPLIT_WRITE_PAGE, buffer)) {
		return STATUS_OK;
	}

	return ERR_BAD_DATA;
}
Пример #5
0
/**
 * \brief Test EEPROM split write
 *
 * This test writes two bytes to test page \ref TEST_SPLIT_WRITE_PAGE with an
 * atomic write operation, then writes a third byte to the same page with a
 * split write operation before verifying that the page contains all three
 * bytes.
 *
 * \param test Current test case.
 */
static void run_eeprom_split_write_test(const struct test_case *test)
{
	uint8_t buffer[EEPROM_PAGE_SIZE];
	bool    success;

	/* Erase and then program two bytes into the page */
	set_buffer(buffer, EEPROM_ERASED);
	buffer[1] = 0xaa;
	buffer[2] = 0x19;
	nvm_eeprom_load_byte_to_buffer(1, buffer[1]);
	nvm_eeprom_load_byte_to_buffer(2, buffer[2]);
	nvm_eeprom_atomic_write_page(TEST_SPLIT_WRITE_PAGE);

	/*
	 * Write another value to the EEPROM and then verify that all three bytes
	 * are present, ie. the split write does not delete the first two bytes.
	 */
	buffer[3] = 0xa7;
	nvm_eeprom_load_byte_to_buffer(3, buffer[3]);
	nvm_eeprom_split_write_page(TEST_SPLIT_WRITE_PAGE);

	success = is_eeprom_page_equal_to_buffer(TEST_SPLIT_WRITE_PAGE, buffer);
	test_assert_true(test, success, "Split write failed");
}
Пример #6
0
Файл: main.c Проект: anates/Cape
int main (void)
{
	/* Insert system clock initialization code here (sysclk_init()). */

	board_init();
	sysclk_init();
	ioport_init();
	/* Insert application code here, after the board has been initialized. */
	//Own variables
	bool running = true;
	bool error = false;
	uint8_t spi_counter = 0;
	//Testdata
	uint32_t testdata = 0;
	//Create command & data storage
	uint8_t commandUSART[NUMBER_CTRL_BYTES];
	uint8_t commandSPI[NUMBER_CTRL_BYTES];
	//Memory
	uint8_t write_page[EEPROM_PAGE_SIZE];
	uint8_t read_page[EEPROM_PAGE_SIZE];
	//Own inits
	init_led_pins();
	//Boot sequence initiated
	switch_led(BOOT, true);
	init_usart_driver(PIN3_bm, PIN2_bm, &USART_data_Stepper, &USARTD0);
	init_usart_driver(PIN3_bm, PIN2_bm, &USART_data_PreAmp, &USARTC0);
	//Test blinking
	for(int i = 0; i < 10; i++)
	{
		blink_led(BOOT, 100);
		blink_led(RUNNING, 50);
		blink_led(RXTX, 50);
		blink_led(FAILURE, 100);
		blink_led(RXTX, 50);
		blink_led(RUNNING, 50);
	}
	//Load Stuff from memory, no clue what I should load
	memset(read_page, 0x0, EEPROM_PAGE_SIZE);
	nvm_eeprom_read_buffer(POSITION_ADDR, read_page, EEPROM_PAGE_SIZE);
	testdata = ((uint32_t)read_page[3] << 24) | ((uint32_t)read_page[2] << 16) | ((uint32_t)read_page[1] << 8) | read_page[0];
	memset(read_page, 0x0, EEPROM_PAGE_SIZE);
	nvm_eeprom_read_buffer(SPEED_ADDR, read_page, EEPROM_PAGE_SIZE);
	//currentSpeed = ((uint32_t)read_page[0] << 24) | ((uint32_t)read_page[1] << 16) | ((uint32_t)read_page[2] << 8) | read_page[3];
	memset(read_page, 0x0, EEPROM_PAGE_SIZE);
	//Boot sequence finished
	switch_led(BOOT, false);
	//Test of data
	if(testdata != 3)
	{
		switch_led(RXTX, true);
		//testdata = 10;
	}
	else
		switch_led(RUNNING, true);	
	delay_ms(1000);
	testdata = 3;
	//End of test data;	
	if(error != true)
	{
		memset(write_page, 0x0, EEPROM_PAGE_SIZE);
		write_page[3] = testdata >> 24;
		write_page[2] = testdata >> 16;
		write_page[1] = testdata >> 8;
		write_page[0] = testdata;
		nvm_eeprom_load_page_to_buffer(write_page);
		nvm_eeprom_atomic_write_page(POSITION_ADDR);
		memset(write_page, 0x0, EEPROM_PAGE_SIZE);
		write_page[3] = testdata >> 24;
		write_page[2] = testdata >> 16;
		write_page[1] = testdata >> 8;
		write_page[0] = testdata;
		nvm_eeprom_load_page_to_buffer(write_page);
		nvm_eeprom_atomic_write_page(POSITION_ADDR);
		memset(write_page, 0x0, EEPROM_PAGE_SIZE);
		switch_led(RUNNING, false);
		switch_led(RXTX, true);
		switch_led(BOOT, true);
		//Shutdown procedure can be executed
	}