/*! \brief Main function.
*/
int main(void)
{
/* Initialize the board.
* The board-specific conf_board.h file contains the configuration of
* the board initialization.
*/
board_init();
sysclk_init();
sleepmgr_init();
irq_initialize_vectors();
cpu_irq_enable();
/* Configure the XCL module:
* - Asynchronous mode usage (locks Power Down sleep mode)
* - Configure XCL to use XMEGA port D
* - Configure LUT in 1 LUTs with 3 differents inputs
* - LUT IN0 input on pin 2 or port D
* - LUT IN1 input on XCL LUT OUT1
* - LUT OUT0 output on pin 4 or port D
* - LUT IN2 input on pin 1 or port D
* - LUT IN3 input on pin 3 or port D
* - LUT OUT1 output on LUT IN1
* - No time Delay for both LUT0 and LUT1
* - LUT0 performs XOR operation
* - LUT1 performs XOR operation
*/
xcl_enable(XCL_ASYNCHRONOUS);
xcl_port(PD);
xcl_lut_type(LUT_1LUT3IN);
xcl_lut_in0(LUT_IN_PINL);
xcl_lut_in1(LUT_IN_XCL);
xcl_lut_in2(LUT_IN_PINL);
xcl_lut_in3(LUT_IN_PINL);
xcl_lut0_output(LUT0_OUT_PIN4);
xcl_lut_config_delay(DLY11, LUT_DLY_DISABLE, LUT_DLY_DISABLE);
xcl_lut0_truth(XOR);
xcl_lut1_truth(XOR);
/*
* main loop simply enters sleep mode
*/
while (true) {
sleepmgr_enter_sleep();
}
}
/**
* \internal
* \brief Test XCL Glue Logic module with 3 Inputs XOR
*
* This tests check the capabilty of the XCL Glue Logic Drivers to hangle
* a 3 inputs XOR operation.
*
* \param test Current test case.
*/
static void run_xcl_glue_logic_3inputs_xor_test(
const struct test_case *test)
{
port_pin_t in0, in2, in3, out0;
bool out;
in0 = IOPORT_CREATE_PIN(PORTD, 2);
in2 = IOPORT_CREATE_PIN(PORTD, 1);
in3 = IOPORT_CREATE_PIN(PORTD, 3);
out0 = IOPORT_CREATE_PIN(PORTD, 4);
ioport_configure_pin(in0, IOPORT_DIR_OUTPUT);
ioport_configure_pin(in2, IOPORT_DIR_OUTPUT);
ioport_configure_pin(in3, IOPORT_DIR_OUTPUT);
/* Configure the XCL module:
* - Asynchronous mode usage (locks Power Down sleep mode)
* - Configure XCL to use ATxmega32E5 port D
* - Configure LUT in 1 LUTs with 3 differents inputs
* - LUT IN0 input on pin 2 of port D
* - LUT IN1 input on XCL LUT OUT1
* - LUT OUT0 output on pin 4 of port D
* - LUT IN2 input on pin 1 of port D
* - LUT IN3 input on pin 3 of port D
* - LUT OUT1 output on LUT IN1
* - No time Delay for both LUT0 and LUT1
* - LUT0 performs XOR operation
* - LUT1 performs XOR operation
*/
xcl_enable(XCL_ASYNCHRONOUS);
xcl_port(PD);
xcl_lut_type(LUT_1LUT3IN);
xcl_lut_in0(LUT_IN_PINL);
xcl_lut_in1(LUT_IN_XCL);
xcl_lut_in2(LUT_IN_PINL);
xcl_lut_in3(LUT_IN_PINL);
xcl_lut0_output(LUT0_OUT_PIN4);
xcl_lut_config_delay(DLY11, LUT_DLY_DISABLE, LUT_DLY_DISABLE);
xcl_lut0_truth(XOR);
xcl_lut1_truth(XOR);
gpio_set_pin_low(in0);
gpio_set_pin_low(in2);
gpio_set_pin_low(in3);
asm("nop");
asm("nop"); /* give two cycles propagation delay to read the port pin */
out = ioport_get_pin_level(out0);
test_assert_true(test, out == false, " XCL XOR failure");
gpio_set_pin_high(in0);
gpio_set_pin_low(in2);
gpio_set_pin_low(in3);
asm("nop");
asm("nop"); /* give two cycles propagation delay to read the port pin */
out = ioport_get_pin_level(out0);
test_assert_true(test, out == true, " XCL XOR failure");
gpio_set_pin_low(in0);
gpio_set_pin_high(in2);
gpio_set_pin_low(in3);
asm("nop");
asm("nop"); /* give two cycles propagation delay to read the port pin */
out = ioport_get_pin_level(out0);
test_assert_true(test, out == true, " XCL XOR failure");
gpio_set_pin_low(in0);
gpio_set_pin_low(in2);
gpio_set_pin_high(in3);
asm("nop");
asm("nop"); /* give two cycles propagation delay to read the port pin */
out = ioport_get_pin_level(out0);
test_assert_true(test, out == true, " XCL XOR failure");
gpio_set_pin_low(in0);
gpio_set_pin_high(in2);
gpio_set_pin_high(in3);
asm("nop");
asm("nop"); /* give two cycles propagation delay to read the port pin */
out = ioport_get_pin_level(out0);
test_assert_true(test, out == false, " XCL XOR failure");
gpio_set_pin_high(in0);
gpio_set_pin_high(in2);
gpio_set_pin_high(in3);
asm("nop");
asm("nop"); /* give two cycles propagation delay to read the port pin */
out = ioport_get_pin_level(out0);
test_assert_true(test, out == true, " XCL XOR failure");
}
/*! \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));
}
}
}