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Reference Manual

Onboard LED

led method controls onboard LED. led has one parameter(0 or 1) which means LED off or on.

Example:

while true
  led 1
  sleep_ms 500
  led 0
  sleep_ms 500
end

Onboard Button

sw method returns current onboard button status. If the button is pressed, sw returns 1 otherwise returns 0.

Example:

if sw() == 1 then
  led 1
else
  led 0
end

Digital Output

output method controls output voltage of P3.0 to P3.7 on board. output has two parameters, first parameter(0 to 7) means pin number P3.0 to P3.7 and second parameter(0 or 1) means output voltage(low or high).

Example:

while true
  output 2,0
  output 0,1
  sleep_ms 500
  output 0,0
  output 1,1
  sleep_ms 500
  output 1,0
  output 2,1
  sleep_ms 500
end

PWM Output

pwm method controls PWM(Pulse Width Modulation) signal of P0.0 to P0.3. output has two parameters, first parameter(0 to 3) means pin number P0.0 to P0.3 and second parameter(0 to 255) means duty ratio of PWM.

Example:

for i in 0..255 do
  pwm 0, i
  sleep_ms 10
end

ADC Input

adc method returns adc value of P.