Sheng Chen jdneo

jdneo / run xvfb in background

Last active September 10, 2024 10:56

run xvfb background in linux

	1 copy the file into /etc/init.d/xvfb
	2 chmod +x /etc/init.d/xvfb
	3 ./etc/init.d/xvfb start
	4 # some headless test here
	5 ./etc/init.d/xvfb stop

jdneo / timerInterrupt.ino

Created December 8, 2016 02:21

Timer Interrupt example for Adafruit Feather M0. Callback function can be written in TC3_Handler().

	#define LED_PIN 13

	#define CPU_HZ 48000000
	#define TIMER_PRESCALER_DIV 1024

	void startTimer(int frequencyHz);
	void setTimerFrequency(int frequencyHz);
	void TC3_Handler();

	bool isLEDOn = false;