stm32/uart: Fix uart_rx_any in case of no buffer to return 0 or 1.
@@ -517,7 +517,7 @@ mp_uint_t uart_rx_any(pyb_uart_obj_t *self) {
} else if (buffer_bytes > 0) {
return buffer_bytes;
} else {
- return UART_RXNE_IS_SET(self->uartx);
+ return UART_RXNE_IS_SET(self->uartx) != 0;
}
}
