STM32_CH2_SIG
if (synapse->signal->id == STM32_CH2_SIG)
if (synapse->signal->id == STM32_CH1_SIG || synapse->signal->id == STM32_CH2_SIG)
.id = STM32_CH2_SIG,
.signal = &stm32_signals[STM32_CH2_SIG]