Merge pull request #346 from dhylands/stmhal-led

py/mkrules.mk

stmhal/Makefile

stmhal/boards/NETDUINO_PLUS_2/mpconfigboard.h

stmhal/boards/NETDUINO_PLUS_2/stm32f4xx_hal_conf.h

stmhal/boards/PYBOARD3/mpconfigboard.h

stmhal/boards/PYBOARD4/mpconfigboard.h

stmhal/boards/STM32F4DISC/mpconfigboard.h

stmhal/boards/STM32F4DISC/stm32f4xx_hal_conf.h

stmhal/exti.c

stmhal/exti.h

stmhal/gpio.c

stmhal/gpio.h

stmhal/led.c

stmhal/led.h

stmhal/main.c

stmhal/mpconfigport.h

stmhal/pin_map.c

stmhal/pin_named_pins.c

stmhal/pybmodule.c

stmhal/stm32f4xx_it.c