STM32 LIBDIVIDE Division by 0 causes mcu hang

[gdiciocco]

speeduino/speeduino/decoders.cpp

Line 126 in fff315a

static libdivide::libdivide_s16_t divTriggerToothAngle;

https://github.com/ridiculousfish/libdivide/blob/ee2a872b85648b16c0a65faa8cb646fa7e9e903a/libdivide.h#L95

Division by 0 on non-AVR mcus causes libdivide call abort() which ends up in a noreturn

Issue was submitted to libdivide:
ridiculousfish/libdivide#112

[noisymime]

This is largely resolved by 7c26de6

It doesn't specifically check for a 0 value, but will mean that a new board where this is defaulted to 0 will not freeze on first startup