/**
* \brief Set callback for AES
*
* \param dev_inst Device structure pointer.
* \param source Interrupt source.
* \param callback callback function pointer.
* \param irq_level interrupt level.
*/
void aes_set_callback(struct aes_dev_inst *const dev_inst,
aes_interrupt_source_t source, aes_callback_t callback,
uint8_t irq_level)
{
aes_callback_pointer = callback;
irq_register_handler((IRQn_Type)AESA_IRQn, irq_level);
aes_enable_interrupt(dev_inst, source);
}
/**
* \brief Set callback for AES
*
* \param p_aes Base address of the AES instance.
* \param source Interrupt source.
* \param callback callback function pointer.
* \param irq_level interrupt level.
*/
void aes_set_callback(Aes *const p_aes,
aes_interrupt_source_t source, aes_callback_t callback,
uint8_t irq_level)
{
if (source == AES_INTERRUPT_DATA_READY) {
aes_callback_pointer[0] = callback;
} else if (source == AES_INTERRUPT_UNSPECIFIED_REGISTER_ACCESS) {
aes_callback_pointer[1] = callback;
}
irq_register_handler((IRQn_Type)AES_IRQn, irq_level);
aes_enable_interrupt(p_aes, source);
}
/**
* \brief The main function.
*/
int main(void)
{
uint8_t key;
/* Initialize the SAM system */
sysclk_init();
board_init();
/* Initialize the console */
configure_console();
/* Output example information */
printf("-- AES Example --\r\n");
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
/* Enable the AES module. */
aes_get_config_defaults(&g_aes_cfg);
aes_init(AES, &g_aes_cfg);
aes_enable();
/* Enable AES interrupt. */
aes_enable_interrupt(AES, AES_INTERRUPT_DATA_READY);
/* Display menu */
display_menu();
while (1) {
scanf("%c", (char *)&key);
switch (key) {
case 'h':
display_menu();
break;
case 'e':
printf("GCM mode encryption test.\r\n");
gcm_mode_encryption_test();
break;
case 'd':
printf("GCM mode decryption test.\r\n");
gcm_mode_decryption_test();
break;
default:
break;
}
}
}
