led_toggle.c File Reference

SAM LED Toggle Example.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>

Functions
static void	config_led (void)
	Configure LED0, turn it off. More...
int	main (void)
void	SysTick_Handler (void)
	Handler for the device SysTick module, called when the SysTick counter reaches the set period. More...

static void config_led ( void  )

static

Configure LED0, turn it off.

References port_config::direction, LED_0_INACTIVE, LED_0_PIN, port_get_config_defaults(), PORT_PIN_DIR_OUTPUT, port_pin_set_config(), and port_pin_set_output_level().

Referenced by main().

int main

(

void

)

References config_led(), GCLK_GENERATOR_0, system_gclk_gen_get_hz(), and system_init().

void SysTick_Handler

(

void

)

Handler for the device SysTick module, called when the SysTick counter reaches the set period.

Note

As this is a raw device interrupt, the function name is significant and must not be altered to ensure it is hooked into the device's vector table.

References LED_0_PIN, and port_pin_toggle_output_level().