/**
* \brief main function : do init and loop.
*/
int main(void)
{
uint32_t ast_alarm, ast_counter;
uint8_t key;
/* Initialize the SAM system. */
sysclk_init();
board_init();
/* Initialize the console uart. */
configure_console();
/* Output example information. */
printf("-- AST Example 2 in counter mode --\r\n");
printf("-- %s\n\r", BOARD_NAME);
printf("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
printf("Config AST with 32 KHz oscillator.\r\n");
printf("Use alarm0 to wakeup from low power mode.\r\n");
config_ast();
/* AST and EIC can wakeup the device. */
config_wakeup();
while (1) {
/* let the user select the low power mode. */
key = 0;
while ((key < 0x31) || (key > 0x37)) {
/* Display menu */
display_menu();
scanf("%c", (char *)&key);
}
key = key - '0';
/* ast_init_counter Set Alarm to current time+6 seconds. */
ast_counter = ast_read_counter_value(AST);
ast_alarm = ast_counter + 6;
ast_write_alarm0_value(AST, ast_alarm);
ast_enable_interrupt(AST, AST_INTERRUPT_ALARM);
/* Go into selected low power mode. */
bpm_sleep(BPM, key);
while (flag == false);
flag = true;
/* After wake up, clear the Alarm0. */
ast_clear_interrupt_flag(AST, AST_INTERRUPT_ALARM);
/* Output the counter value. */
ast_counter = ast_read_counter_value(AST);
printf("\n\r Counter value: %02u \n\r", ast_counter);
}
}
/*!
* \brief main function : do init and loop (poll if configured so)
*/
int main(void)
{
uint8_t key;
struct picouart_dev_inst dev_inst;
struct picouart_config config;
struct ast_config ast_conf;
/* Initialize the SAM system */
sysclk_init();
board_init();
/* Initialize the console uart */
configure_console();
/* Output example information */
printf("\r\n");
printf("-- PICOUART Example 1 --\r\n");
printf("-- %s\r\n", BOARD_NAME);
printf("-- Compiled: %s %s --\r\n", __DATE__, __TIME__);
printf("-- IMPORTANT: This example requires a board "
"monitor firmware version V1.3 or greater.\r\n");
/* Enable osc32 oscillator*/
if (!osc_is_ready(OSC_ID_OSC32)) {
osc_enable(OSC_ID_OSC32);
osc_wait_ready(OSC_ID_OSC32);
}
/* Disable all AST wake enable bits for safety since the AST is reset
only by a POR. */
ast_enable(AST);
ast_conf.mode = AST_COUNTER_MODE;
ast_conf.osc_type = AST_OSC_32KHZ;
ast_conf.psel = AST_PSEL_32KHZ_1HZ;
ast_conf.counter = 0;
ast_set_config(AST, &ast_conf);
ast_disable_wakeup(AST, AST_WAKEUP_ALARM);
ast_disable_wakeup(AST, AST_WAKEUP_PER);
ast_disable_wakeup(AST, AST_WAKEUP_OVF);
ast_disable(AST);
/* Config the push button */
config_buttons();
/* Configurate the USART to board monitor */
bm_init();
sysclk_enable_hsb_module(SYSCLK_PBA_BRIDGE);
sysclk_enable_peripheral_clock(BM_USART_USART);
/* Init the PICOUART */
picouart_get_config_defaults(&config);
picouart_init(&dev_inst, PICOUART, &config);
/* Enable the PICOUART */
picouart_enable(&dev_inst);
/* PICOUART and EIC can wakeup the device */
config_wakeup();
/* Display menu */
display_menu();
while (1) {
scanf("%c", (char *)&key);
switch (key) {
case 'h':
display_menu();
break;
case 's':
if (bm_flag) {
printf("Switch off the board monitor to wake up..\r\n");
bm_flag = false;
} else {
printf("Switch on the board monitor to wake up..\r\n");
bm_flag = true;
}
break;
case '0':
printf("Enter Sleep mode with start bit wakeup.\r\n");
config.action = PICOUART_ACTION_WAKEUP_ON_STARTBIT;
picouart_set_config(&dev_inst, &config);
if (bm_flag) {
printf("Board monitor will send frame after 3 seconds.\r\n");
bm_send_picouart_frame('A', 3000);
}
/* Wait for the printf operation to finish before
setting the device in a power save mode. */
delay_ms(30);
bpm_sleep(BPM, BPM_SM_SLEEP_2);
printf("--Exit Sleep mode.\r\n\r\n");
break;
case '1':
printf("Enter Retention mode with full frame wakeup.\r\n");
config.action = PICOUART_ACTION_WAKEUP_ON_FULLFRAME;
picouart_set_config(&dev_inst, &config);
if (bm_flag) {
printf("Board monitor will send frame after 3 seconds.\r\n");
bm_send_picouart_frame('T', 3000);
}
/* Wait for the printf operation to finish before
setting the device in a power save mode. */
delay_ms(30);
bpm_sleep(BPM, BPM_SM_RET);
printf("--Exit Retention mode.\r\n\r\n");
break;
case '2':
printf("Enter backup mode with character match wakeup.\r\n");
config.action = PICOUART_ACTION_WAKEUP_ON_MATCH;
config.match = 'L';
picouart_set_config(&dev_inst, &config);
if (bm_flag) {
printf("Board monitor will send frame after 3 seconds.\r\n");
bm_send_picouart_frame('L', 3000);
}
/* Wait for the printf operation to finish before
setting the device in a power save mode. */
delay_ms(30);
bpm_sleep(BPM, BPM_SM_BACKUP);
break;
default:
break;
}
}
}
