class Timer – control internal timers¶

Note

Memory can’t be allocated inside irq handlers (an interrupt) and so exceptions raised within a handler don’t give much information. See micropython.alloc_emergency_exception_buf() for how to get around this limitation.

Constructors¶

class machine.Timer(id, ...)¶

Methods¶

Timer.deinit()¶: Deinitialises the timer. Disables all channels and associated IRQs. Stops the timer, and disables the timer peripheral.

class TimerChannel — setup a channel for a timer¶

Timer channels are used to generate/capture a signal using a timer.

TimerChannel objects are created using the Timer.channel() method.

Methods¶

Constants¶

Timer.ONE_SHOT¶

Timer.PERIODIC¶

Timer.PWM¶: Selects the timer operating mode.

Timer.A¶

Timer.B¶: Selects the timer channel. Must be ORed (Timer.A | Timer.B) when using a 32-bit timer.

Timer.POSITIVE¶

Timer.NEGATIVE¶: Timer channel polarity selection (only relevant in PWM mode).

Timer.TIMEOUT¶

Timer.MATCH¶: Timer channel IRQ triggers.