diff --git a/lib/busvoodoo_uart_generic.c b/lib/busvoodoo_uart_generic.c
index 7781782..54bbbd3 100644
--- a/lib/busvoodoo_uart_generic.c
+++ b/lib/busvoodoo_uart_generic.c
@@ -738,12 +738,14 @@ static void busvoodoo_uart_generic_command_detect(void* argument)
 	}
 	printf("the more traffic is incoming, the better the detection\n");
 	printf("press any key to exit\n");
+
 	// setup USART to receive character
 	uint8_t uart_databits = 8; // start with 8 bits since this is the most common case (i.e. no additional parity bit is used)
 	usart_set_baudrate(busvoodoo_uart_generic_specific->usart, 1200); // configure UART to pre-selected baud rate
 	usart_set_databits(busvoodoo_uart_generic_specific->usart, uart_databits); // configure UART to pre-selected data-bits
 	usart_set_stopbits(busvoodoo_uart_generic_specific->usart, USART_STOPBITS_1); // 1 stop-bits also complies to 2 stop-bits
 	usart_set_parity(busvoodoo_uart_generic_specific->usart, USART_PARITY_NONE); // get the raw data since we will do the parity check ourselves
+
 	// setup timer to generate/measure signal timing
 	if ((busvoodoo_uart_generic_specific->timer_port != busvoodoo_uart_generic_specific->rx_port) || (busvoodoo_uart_generic_specific->timer_pin != busvoodoo_uart_generic_specific->rx_pin)) {
 		rcc_periph_clock_enable(busvoodoo_uart_generic_specific->timer_port_rcc); // enable clock for GPIO peripheral
@@ -782,6 +784,11 @@ static void busvoodoo_uart_generic_command_detect(void* argument)
 	pulse_duration = UINT32_MAX; // reset pulse duration
 	timer_enable_counter(busvoodoo_uart_generic_specific->timer); // enable timer
 
+	// switch on RX
+	if (busvoodoo_uart_generic_specific->rx_pre) {
+		(*busvoodoo_uart_generic_specific->rx_pre)();
+	}
+
 	bool reset_state = true; // flag to know if we need to reset the states
 	uint8_t rx_errors; // number of UART receive errors received
 	bool wait_for_idle = false; // flag to wait for an IDLE frame
@@ -961,6 +968,11 @@ static void busvoodoo_uart_generic_command_detect(void* argument)
 	user_input_get(); // clear input used to interrupt previous loop
 	printf("\n");
 
+	// switch off RX
+	if (busvoodoo_uart_generic_specific->rx_post) {
+		(*busvoodoo_uart_generic_specific->rx_post)();
+	}
+
 	// stop timer
 	timer_disable_counter(busvoodoo_uart_generic_specific->timer); // disable timer
 #if defined(BUSVOODOO_UART_TIMER_USE_INTERRUPT_TABLE) && BUSVOODOO_UART_TIMER_USE_INTERRUPT_TABLE