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Update UART.c

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Incorporating feedback: https://github.com/adafruit/circuitpython/pull/4772#discussion_r634112839
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EmergReanimator 2021-05-19 20:19:16 +02:00 committed by GitHub
parent 2b64b1d335
commit 7805392b9e
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1 changed files with 10 additions and 13 deletions
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23
ports/atmel-samd/common-hal/busio/UART.c
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@ -255,21 +255,18 @@ void common_hal_busio_uart_construct(busio_uart_obj_t *self,
} }
void common_hal_busio_uart_never_reset(busio_uart_obj_t *self) { void common_hal_busio_uart_never_reset(busio_uart_obj_t *self) {
#if (1) for (size_t i = 0; i < MP_ARRAY_SIZE(sercom_insts); i++) {
never_reset_sercom(self->usart_desc.device.hw); const Sercom *sercom = sercom_insts[i];
never_reset_pin_number(self->rx_pin); Sercom *hw = (Sercom *)(self->usart_desc.device.hw);
never_reset_pin_number(self->tx_pin);
return; // Reserve pins for active UART only
#else if (sercom == hw) {
for (size_t i = 0; i < MP_ARRAY_SIZE(mcu_uart_banks); i++) { never_reset_sercom(hw);
if (mcu_uart_banks[i] == self->handle.Instance) { never_reset_pin_number(self->rx_pin);
never_reset_uart[i] = true; never_reset_pin_number(self->tx_pin);
never_reset_pin_number(self->tx->pin->port, self->tx->pin->number);
never_reset_pin_number(self->rx->pin->port, self->rx->pin->number);
break;
} }
} }
#endif return;
} }
bool common_hal_busio_uart_deinited(busio_uart_obj_t *self) { bool common_hal_busio_uart_deinited(busio_uart_obj_t *self) {