/**
* \brief Application entry point.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
uint8_t uc_key;
/* Initialize the SAM3 system */
SystemInit();
board_init();
WDT->WDT_MR = WDT_MR_WDDIS;
/* Initialize the console uart */
configure_console();
/* Output example information */
puts(STRING_HEADER);
/* configure LED. */
led_config();
/* configure push buttons. */
configure_buttons();
/* Set default priorities for 2 buttons. */
puts("Set INT1's priority higher than INT2.\r");
set_interrupt_priority(INT_PRIOR_HIGH, INT_PRIOR_LOW);
/* Display the main menu. */
display_menu();
// Flash the LED.
while (1) {
while (uart_read(CONSOLE_UART, &uc_key));
switch (uc_key) {
case '1':
set_interrupt_priority(INT_PRIOR_LOW, INT_PRIOR_HIGH);
puts("Set INT2's priority higher than INT1.\n\r\r");
break;
case '2':
set_interrupt_priority(INT_PRIOR_HIGH, INT_PRIOR_LOW);
puts("Set INT1's priority higher than INT2.\n\r\r");
break;
case 'h':
display_menu();
break;
default:
puts("Invalid input.\r");
break;
}
}
}
/**
* \brief Application entry point.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
uint8_t uc_key;
/* Initialize the SAM4 system */
sysclk_init();
board_init();
WDT->WDT_MR = WDT_MR_WDDIS;
/* Enable the pmc clocks of the push buttons for all SAM4. */
pmc_enable_periph_clk(ID_PIOA);
pmc_enable_periph_clk(ID_PIOB);
pmc_enable_periph_clk(ID_PIOC);
/* Initialize the console uart */
configure_console();
/* Output example information */
puts(STRING_HEADER);
/* PIO configuration for LEDs and Buttons. */
pio_handler_set_priority(PIOA, PIOA_IRQn, 0);
pio_handler_set_priority(PIOB, PIOB_IRQn, 0);
pio_handler_set_priority(PIOC, PIOC_IRQn, 0);
/* configure LED. */
led_config();
/* configure push buttons. */
configure_buttons();
/* Set default priorities for 2 buttons. */
puts("Set INT1's priority higher than INT2.\r");
set_interrupt_priority(INT_PRIOR_HIGH, INT_PRIOR_LOW);
/* Display the main menu. */
display_menu();
// Flash the LED.
while (1) {
while (uart_read(CONSOLE_UART, &uc_key));
switch (uc_key) {
case '1':
set_interrupt_priority(INT_PRIOR_LOW, INT_PRIOR_HIGH);
puts("Set INT2's priority higher than INT1.\n\r\r");
break;
case '2':
set_interrupt_priority(INT_PRIOR_HIGH, INT_PRIOR_LOW);
puts("Set INT1's priority higher than INT2.\n\r\r");
break;
case 'h':
display_menu();
break;
default:
puts("Invalid input.\r");
break;
}
}
}