/**
* @brief Callback that is called if data has been received by trx.
*
* @param rx_frame_array Pointer to data array containing received frame
*/
void tal_rx_frame_cb(uint8_t *rx_frame_array)
{
uint8_t rx_payload_len = rx_frame_array[0] - FRAME_OVERHEAD;
uint8_t *rx_payload_ptr = rx_frame_array + FRAME_OVERHEAD + LENGTH_FIELD_LEN - FCS_LEN;
uint8_t sio_len_rx;
/* Print received data to terminal program. */
bool sio_ongoing = true;
do
{
sio_len_rx = pal_sio_tx(SIO_CHANNEL, rx_payload_ptr, rx_payload_len);
if (sio_len_rx < rx_payload_len)
{
rx_payload_len -= sio_len_rx;
rx_payload_ptr += sio_len_rx;
pal_task();
}
else
{
sio_ongoing = false;
}
} while (sio_ongoing);
pal_led(LED_DATA_RX, LED_TOGGLE); // indicating data recption
}
/**
* @brief Application task handler
*/
static void app_task(void)
{
uint8_t number_of_bytes_to_be_transmitted;
uint8_t stop_data;
if(Wireshark_Settings == INIT_STATE)
{
uint8_t input_channel = sio_getchar();
sniffer_config_select(CHANNEL_SELECT_ID,input_channel);
Wireshark_Settings = SET_START;
}
if(Wireshark_Settings == SET_START)
{
number_of_bytes_to_be_transmitted = sio_getchar();
if(number_of_bytes_to_be_transmitted == 0x01)
{
sniffer_config_select(START_CAPTURE_ID,number_of_bytes_to_be_transmitted);
Wireshark_Settings = WS_RESTART;
sio_rx_data[0] = INIT_VALUE;
}
}
if(Wireshark_Settings == WS_RESTART)
{
number_of_bytes_to_be_transmitted = pal_sio_rx(SIO_CHANNEL, sio_rx_data, 1);
if((number_of_bytes_to_be_transmitted == 1) && (sio_rx_data[0] == 0x02))
{
sio_rx_data[0] = INIT_VALUE;
Wireshark_Settings = INIT_STATE;
stop_data = STOP_CAP;
while((number_of_bytes_to_be_transmitted = pal_sio_tx(SIO_CHANNEL, &stop_data, 1)) !=1);
}
}
}
/**
* @brief Callback that is called once tx is done.
*
* @param status Status of the transmission procedure
*/
void tal_tx_frame_done_cb(retval_t status)
{
if (status == MAC_SUCCESS)
{
uint8_t tx_payload_len = tx_buffer[0] - FRAME_OVERHEAD;
uint8_t *tx_payload_ptr = tx_buffer + FRAME_OVERHEAD + LENGTH_FIELD_LEN - FCS_LEN;
uint8_t sio_len_tx;
/* Print transmitted bytes to terminal program. */
bool sio_ongoing = true;
do
{
sio_len_tx = pal_sio_tx(SIO_CHANNEL, tx_payload_ptr, tx_payload_len);
if (sio_len_tx < tx_payload_len)
{
tx_payload_len -= sio_len_tx;
tx_payload_ptr += sio_len_tx;
pal_task();
}
else
{
sio_ongoing = false;
}
} while (sio_ongoing);
pal_led(LED_DATA_TX, LED_TOGGLE); // indicating successfull data transmission
/* After transmission is completed, allow next transmission. */
tx_state = TX_IDLE;
}
else if (status == MAC_CHANNEL_ACCESS_FAILURE)
/*
* Channel access failure is the only transmission failure that makes sense
* to be handled within this application. For handling other status codes,
* such as MAC_NO_ACK, this is probably the wrong application on the wrong layer.
* For absolutely reliable transmission, please use a MAC or TAL based
* application. The Tiny-TAL is not designed for such a purpose.
*
* In case of channel access failure the frame is retried.
*/
{
/* Transmission was not successful, initiate retry. */
tx_state = TX_RETRY;
//TODO: retry counter?
}
else
/*
* Other transmission status codes, such as MAC_NO_ACK are not handled
* within this application.
* The transmission is considered as beeing completed for this frame.
*/
{
tx_state = TX_IDLE;
#if(ALERT_ON_ERROR==true)
pal_alert();
#endif
}
}
/**
* @brief Transmits data through selected SIO unit
*
* This function transmits data through the selected SIO unit.
*
* @param data Pointer to the data to be transmitted is present
* @param length Number of bytes to be transmitted
*
* @return Actual number of transmitted bytes
*/
uint8_t sniffer_sio_tx(uint8_t *data, uint8_t length)
{
return(pal_sio_tx(SIO_CHANNEL, data, length));
}
