Finish simple MSP430FR5969LP GPIO driver

states:

  - UNINITIALIZED

  - P0_INPUT

  - P0_INPUT_PULLUP

  - P0_OUTPUT_LOW

  - P0_OUTPUT_HIGH

# ! LED values are estimates at the moment

state:

  UNINITIALIZED:

  INITIALIZED:

    power:

      static: 0

      function:

        raw: (regression_arg(0) * parameter(led0) + regression_arg(1) * parameter(led1)) * parameter(voltage_v)

        regression_args: [2778, 2778]

parameters:

- led0

- led1

- voltage_v

transition:

  setup:

    src: [UNINITIALIZED]

    dst: P0_OUTPUT

  input:

    src: [P0_INPUT, P0_INPUT_PULLUP, P0_OUTPUT_LOW, P0_OUTPUT_HIGH]

    dst: INITIALIZED

    set_param:

      led0: 0

      led1: 0

      voltage_v: 3.6

  led_on0:

    loop: [INITIALIZED]

    set_param:

      led0: 1

  led_on1:

    loop: [INITIALIZED]

    set_param:

      led1: 1

  led_off0:

    loop: [INITIALIZED]

    set_param:

      led0: 0

  led_off1:

    loop: [INITIALIZED]

    set_param:

      led1: 0