| # Pulsates an LED connected to GPIO pin 1 with a suitable resistor 4 times using softPwm |
| # softPwm uses a fixed frequency |
| import wiringpi2 |
| |
| OUTPUT = 1 |
| |
| PIN_TO_PWM = 1 |
| |
| wiringpi2.wiringPiSetup() |
| wiringpi2.pinMode(PIN_TO_PWM,OUTPUT) |
| wiringpi2.softPwmCreate(PIN_TO_PWM,0,100) # Setup PWM using Pin, Initial Value and Range parameters |
| |
| for time in range(0,4): |
| for brightness in range(0,100): # Going from 0 to 100 will give us full off to full on |
| wiringpi2.softPwmWrite(PIN_TO_PWM,brightness) # Change PWM duty cycle |
| wiringpi2.delay(10) # Delay for 0.2 seconds |
| for brightness in reversed(range(0,100)): |
| wiringpi2.softPwmWrite(PIN_TO_PWM,brightness) |
| wiringpi2.delay(10) |