jpcornil-git

Expose MCUSR register to applications using GPIOR0

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This allows applications to handle reset reasons, e.g. watchdog, reset button, ... by reading a general purpose register (GPIOR0) without affecting current MCUSR implementation.

Add support for (one commit for each): - 8 & 16 bits SRAM traces (0x20-ramend, i.e. overlap IO range to handle 16 bits registers) SRAM tracing allows tracking of 16...

AnalogWrite creates a PWM when value is 255

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On legacy arduino platforms, when analogWrite value is 255, you get a DC/HIGH output (aliased to digitalWrite HIGH), see: https://github.com/arduino/ArduinoCore-avr/blob/master/cores/arduino/wiring_analog.c#L110 While on UNO R4/renesas platform, 255 is converted to 255/256...