/**
* \brief Test checking different registers of the USART module
*
* This function calls the different check functions and make sure they set the
* correct values.
*
* \param test Current test case.
*/
static void run_check_registers_test(const struct test_case *test)
{
bool success;
uint8_t data = 'b';
const usart_rs232_options_t options = {
.baudrate = CONF_UNIT_BAUDRATE,
.charlength = CONF_UNIT_CHARLENGTH,
.paritytype = CONF_UNIT_PARITY,
.stopbits = CONF_UNIT_STOPBITS
};
usart_init_rs232(&CONF_UNIT_USART, &options);
/* Test empty data register */
success = usart_data_register_is_empty(&CONF_UNIT_USART);
test_assert_true(test, success,
"Checking if the data register is empty failed");
/* Test finished data transfers */
usart_put(&CONF_UNIT_USART, data);
for(volatile uint16_t delay=0;delay<20000;delay++);
success = usart_rx_is_complete(&CONF_UNIT_USART);
usart_get(&CONF_UNIT_USART);
test_assert_true(test, success,
"Checking if the receive is finished failed");
success = usart_tx_is_complete(&CONF_UNIT_USART);
test_assert_true(test, success,
"Checking if the transmit is finished failed");
}
/** Initializes the sensor platform - as this calls the board and sysclock
* init functions internally, it will also wait for any pending serial
* transfer(s) to complete before calling sensor_platform_init() and will
* re-initialize the USART afterwards to ensure no corrupt or lost data.
*/
static void configure_sensor_platform(void)
{
#if XMEGA
usart_clear_tx_complete(CONF_TEST_USART);
while (!usart_tx_is_complete(CONF_TEST_USART));
#elif UC3
while (!(usart_tx_empty(CONF_TEST_USART)));
#endif
sensor_platform_init();
stdio_serial_init(CONF_TEST_USART, &usart_serial_options);
}
/*! \brief Main function.
*/
int main(void)
{
uint8_t tx_buf[] = "\n\rHello AVR world ! : ";
uint8_t i;
/* Initialize the board.
* The board-specific conf_board.h file contains the configuration of
* the board initialization.
*/
board_init();
sysclk_init();
pmic_init();
cpu_irq_enable();
sleepmgr_init();
sleepmgr_lock_mode(SLEEPMGR_STDBY);
/* USART options. */
static usart_xmegae_rs232_options_t USART_SERIAL_OPTIONS = {
.baudrate = USART_SERIAL_EXAMPLE_BAUDRATE,
.charlength = USART_SERIAL_CHAR_LENGTH,
.paritytype = USART_SERIAL_PARITY,
.stopbits = USART_SERIAL_STOP_BIT,
.start_frame_detection = false,
.one_wire = false,
.pec_length = USART_SERIAL_VARIABLE_CHAR_LENGTH,
.pec_action = USART_PECACT_PERC01_gc,
.encoding_type = USART_DECTYPE_DATA_gc,
.encoding_stream = USART_LUTACT_OFF_gc,
};
/* Initialize usart driver in RS232 mode */
usart_xmegae_init_rs232(USART_SERIAL_EXAMPLE, &USART_SERIAL_OPTIONS);
usart_set_rx_interrupt_level(USART_SERIAL_EXAMPLE, USART_INT_LVL_LO);
/* Send "message header" */
for (i = 0; i < sizeof(tx_buf); i++) {
usart_putchar(USART_SERIAL_EXAMPLE, tx_buf[i]);
while (!usart_tx_is_complete(USART_SERIAL_EXAMPLE)) {
}
usart_clear_tx_complete(USART_SERIAL_EXAMPLE);
}
/* Incoming character is process under interrupt
* main loop simply enters sleep mode */
while (true) {
sleepmgr_enter_sleep();
}
}
/**
* \internal
* \brief Helper function to wait for the last send operation to complete
*/
__always_inline static void ili9341_wait_for_send_done(void)
{
#if defined(CONF_ILI9341_USART_SPI)
# if XMEGA
while (!usart_tx_is_complete(CONF_ILI9341_USART_SPI)) {
/* Do nothing */
}
usart_clear_tx_complete(CONF_ILI9341_USART_SPI);
# else
/* Wait for TX to complete */
while (!usart_spi_is_tx_empty(CONF_ILI9341_USART_SPI)) {
/* Do nothing */
}
# endif
#elif defined(CONF_ILI9341_SPI)
/* Wait for TX to complete */
while (!spi_is_tx_empty(CONF_ILI9341_SPI)) {
/* Do nothing */
}
#endif
}
/*! \brief Main function.
*/
int main(void)
{
uint8_t encoded_message[] = {
0xF2, 0xF5, 0xAB, 0x97, 0x96, 0x8C, 0xDF, 0x96, 0x91, 0xDF,
0x9E, 0x91, 0xDF, 0x9A, 0x91, 0x9C, 0x90, 0x9B, 0x9A, 0x9B,
0xDF, 0x92, 0x9A, 0x8C, 0x8C, 0x9E, 0x98, 0x9A, 0xDF, 0x8C,
0x9A, 0x91, 0x8B, 0xDF, 0x99, 0x8D, 0x90, 0x92,
0xDF, 0xA7, 0xB2, 0xBA, 0xB8, 0xBE, 0xDF, 0xAA,
0xAC, 0xBE, 0xAD, 0xAB, 0xDE
};
uint8_t i;
/* Initialize the board.
* The board-specific conf_board.h file contains the configuration of
* the board initialization.
*/
board_init();
sysclk_init();
pmic_init();
cpu_irq_enable();
sleepmgr_init();
sleepmgr_lock_mode(SLEEPMGR_STDBY);
/* USART options. */
static usart_xmegae_rs232_options_t USART_SERIAL_OPTIONS = {
.baudrate = USART_SERIAL_EXAMPLE_BAUDRATE,
.charlength = USART_SERIAL_CHAR_LENGTH,
.paritytype = USART_SERIAL_PARITY,
.stopbits = USART_SERIAL_STOP_BIT,
.start_frame_detection = false,
.one_wire = false,
.pec_length = USART_SERIAL_VARIABLE_CHAR_LENGTH,
.pec_action = USART_PECACT_PERC01_gc,
.encoding_type = USART_DECTYPE_DATA_gc,
.encoding_stream = USART_LUTACT_BOTH_gc,
};
/* Initialize usart driver in RS232 mode */
usart_xmegae_init_rs232(USART_SERIAL_EXAMPLE, &USART_SERIAL_OPTIONS);
usart_set_rx_interrupt_level(USART_SERIAL_EXAMPLE, USART_INT_LVL_LO);
xcl_port(USART_SERIAL_XCL_PORT);
xcl_lut_type(LUT_2LUT2IN);
xcl_lut_in0(USART_SERIAL_LUT_IN_PIN);
xcl_lut_in1(LUT_IN_XCL);
xcl_lut0_output(LUT0_OUT_DISABLE);
xcl_lut_config_delay(DLY11, LUT_DLY_DISABLE, LUT_DLY_DISABLE);
xcl_lut0_truth(NOT_IN0);
xcl_lut_in2(LUT_IN_XCL);
xcl_lut_in3(LUT_IN_XCL);
xcl_lut1_truth(NOT_IN3);
/* Send "message header" */
for (i = 0; i < sizeof(encoded_message); i++) {
usart_putchar(USART_SERIAL_EXAMPLE, encoded_message[i]);
while (!usart_tx_is_complete(USART_SERIAL_EXAMPLE)) {
}
usart_clear_tx_complete(USART_SERIAL_EXAMPLE);
}
/* Incoming character is process under interrupt
* main loop simply enters sleep mode */
while (true) {
sleepmgr_enter_sleep();
}
}
