/*! \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();
}
}
/*! \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();
}
}
/*! \brief Main function.
*/
int main(void)
{
uint8_t ping_msg[] = "\n\rPing? ->";
uint8_t pong_msg[] = "\n\r Pong! ->";
/* Initialize the board.
* The board-specific conf_board.h file contains the configuration of
* the board initialization.
*/
board_init();
sysclk_init();
irq_initialize_vectors();
cpu_irq_enable();
/* 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 = true,
.pec_length = 0,
.encoding_type = USART_DECTYPE_DATA_gc,
.encoding_stream = USART_LUTACT_OFF_gc,
};
/* Initialize usart driver in RS232 mode */
usart_xmegae_init_rs232(USART1_SERIAL_EXAMPLE, &USART_SERIAL_OPTIONS);
usart_xmegae_init_rs232(USART2_SERIAL_EXAMPLE, &USART_SERIAL_OPTIONS);
usart_set_rx_interrupt_level(USART1_SERIAL_EXAMPLE, USART_INT_LVL_LO);
usart_set_rx_interrupt_level(USART2_SERIAL_EXAMPLE, USART_INT_LVL_LO);
/* To initiate the first transfer "Ping" */
message2_received = true;
/* Configure XCL so it copies the PC2 pin to PC4 (it allows to wire PC4
* to RS232 TXD pin on STK600 to spy the one wire communication */
xcl_enable(XCL_ASYNCHRONOUS);
xcl_port(PC);
xcl_lut_type(LUT_2LUT2IN);
xcl_lut_in0(LUT_IN_PINL);
xcl_lut_in1(LUT_IN_XCL);
xcl_lut0_output(LUT0_OUT_PIN4);
xcl_lut_config_delay(DLY11, LUT_DLY_DISABLE, LUT_DLY_DISABLE);
xcl_lut0_truth(IN0);
/* Incoming character is process under interrupt
* main loop simply enters sleep mode */
while (true) {
if (message2_received) {
/* When "pong" is received, send "ping" */
gpio_toggle_pin(LED0_GPIO);
message2_received = false;
send_onewire_message(USART1_SERIAL_EXAMPLE, ping_msg,
sizeof(ping_msg));
}
if (message1_received) {
/* When "ping" is received, send "pong" */
gpio_toggle_pin(LED0_GPIO);
message1_received = false;
send_onewire_message(USART2_SERIAL_EXAMPLE, pong_msg,
sizeof(pong_msg));
}
}
}
