embox

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/**
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 * @file
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 * @brief  Test for extended sleep. It enters extended sleep,
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 *         then exits on timer trigger and blinks LED.
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 *
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 * @date   07.10.2020
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 * @author Alexander Kalmuk
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 */
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#include <stdio.h>
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#include <unistd.h>
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#include <framework/mod/options.h>
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#include <config/custom_config_qspi.h>
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#include <hw_gpio.h>
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#define LOOP_CNT     OPTION_GET(NUMBER, loop_cnt)
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#define SLEEP_SEC    OPTION_GET(NUMBER, sleep_sec)
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/* LED configuration section */
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#define LED1_PORT       (HW_GPIO_PORT_1)
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#define LED1_PIN        (HW_GPIO_PIN_1)
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#define LED1_MODE       (HW_GPIO_MODE_OUTPUT)
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#define LED1_FUNC       (HW_GPIO_FUNC_GPIO)
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static void busy_loop(unsigned volatile n) {
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	while (n--) {
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	}
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}
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static void toggle_led(int led_is_on) {
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	if (led_is_on) {
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		HW_GPIO_SET_PIN_FUNCTION(LED1);
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		hw_gpio_set_active(LED1_PORT, LED1_PIN);
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		HW_GPIO_PAD_LATCH_ENABLE(LED1);
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		HW_GPIO_PAD_LATCH_DISABLE(LED1);
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	} else {
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		HW_GPIO_SET_PIN_FUNCTION(LED1);
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		hw_gpio_set_inactive(LED1_PORT, LED1_PIN);
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		HW_GPIO_PAD_LATCH_ENABLE(LED1);
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		HW_GPIO_PAD_LATCH_DISABLE(LED1);
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	}
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}
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static void deepsleep_test(void) {
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	int led;
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	int cnt;
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	led = 1;
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	toggle_led(led);
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	busy_loop(1 * 1000000);
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	led ^= 1;
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	toggle_led(led);
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	for (cnt = 0; cnt < LOOP_CNT; cnt++) {
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		usleep(SLEEP_SEC * USEC_PER_SEC);
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		led ^= 1;
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		toggle_led(led);
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	}
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}
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int main(int argc, char **argv) {
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	deepsleep_test();
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	return 0;
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}
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