pico-playground/sleep/hello_dormant/hello_dormant.c

36 wiersze
738 B
C

/**
* Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdio.h>
#include "pico/stdlib.h"
#include "pico/sleep.h"
int main() {
stdio_init_all();
printf("Hello Dormant!\n");
printf("Switching to XOSC\n");
uart_default_tx_wait_blocking();
// UART will be reconfigured by sleep_run_from_xosc
sleep_run_from_xosc();
printf("Running from XOSC\n");
uart_default_tx_wait_blocking();
printf("XOSC going dormant\n");
uart_default_tx_wait_blocking();
// Go to sleep until we see a high edge on GPIO 10
sleep_goto_dormant_until_edge_high(10);
uint i = 0;
while (1) {
printf("XOSC awake %d\n", i++);
}
return 0;
}