def enable_rx():
    cr1 = stm.mem16[stm.USART6 + stm.USART_CR1]
    cr1 |= 0x04
    stm.mem16[stm.USART6 + stm.USART_CR1] = cr1
Result has .return_code (and .exited) containing exit code int
dataset/ETHPy150Open dhylands/upy-examples/bioloid.py/enable_rx--crossover with--dataset/ETHPy150Open pyinvoke/invoke/tests/runners.py/Runner_.return_value.return_code_in_result