/**
* @brief Processes a data response to an MLME-POLL.request
*
* This function processes a data response to an MLME-POLL.request.
* Our coordinator has responded with a data frame. It is checked
* whether any data has been received, and the appropriate
* MLME-POLL.confirm message is constructed.
*/
void mac_process_data_response(void)
{
uint8_t status;
if (FCF_FRAMETYPE_BEACON == mac_parse_data.frame_type) {
/*
* Node is currently in polling state, so only command or data
* frames
* are of interest.
* This is an unexpected frame type, do nothing.
* Note. Ack frames are not uploaded to this point.
* All subsequent actions are not to be done now.
* Instead the timer will expire and initiate the proper stuff.
*/
return;
} else {
/* Stop the MaxFrameResponseTime timer */
pal_timer_stop(T_Poll_Wait_Time);
#if (_DEBUG_ > 0)
if (pal_is_timer_running(T_Poll_Wait_Time)) {
Assert("Frame resp tmr running" == 0);
}
#endif
/*
* For received command frames (Association response or
* disassociation notification) and for data frames with zero
* payload length the potential status for the poll.confirm
* message
* is supposed to be "No data".
*/
status = MAC_NO_DATA;
if ((FCF_FRAMETYPE_DATA == mac_parse_data.frame_type) &&
(mac_parse_data.mac_payload_length > 0)
) {
/*
* For received data frames with non-zero payload length
* the potential status for the poll.confirm message is
* supposed to be "Success".
*/
status = MAC_SUCCESS;
}
}
if (MAC_POLL_EXPLICIT == mac_poll_state) {
/*
* Data is received on explicit poll request, hence generate the
* poll confirm using
* the buffer which was stored in mac_conf_buf_ptr.
*/
gen_mlme_poll_conf((buffer_t *)mac_conf_buf_ptr, status);
}
/* MAC was busy during poll. */
MAKE_MAC_NOT_BUSY();
mac_poll_state = MAC_POLL_IDLE;
} /* mac_process_data_response() */
/**
* @brief ED scan callback function.
*
* This function is a callback function from the TAL after ED scan
* is performed on a specified channel.
*
* @param energy_level Maximum energy on the channel
*/
void tal_ed_end_cb(uint8_t energy_level)
{
MAKE_MAC_NOT_BUSY();
mlme_scan_conf_t *msc;
/*
* Scan request buffer is used to generate a scan confirm for the ED
* scan
* which is stored in mac_conf_buf_ptr.
*/
msc = (mlme_scan_conf_t *)BMM_BUFFER_POINTER(
(buffer_t *)mac_conf_buf_ptr);
uint8_t n_eds;
n_eds = msc->ResultListSize;
msc->scan_result_list[0].ed_value[n_eds] = energy_level;
msc->ResultListSize++;
msc->scan_result_list[0].ed_value[n_eds + 1] = 0;
msc->UnscannedChannels &= ~(1UL << scan_curr_channel);
/* Continue with next channel */
scan_proceed(MLME_SCAN_TYPE_ED, (buffer_t *)mac_conf_buf_ptr);
}
/**
* @brief T_Poll_Wait_Time timer callback
*
* This function implements the T_Poll_Wait_Time timer callback.
* If a poll request is pending, a mlme-poll-confirm is generated.
*
* @param callback_parameter Callback parameter
*/
void mac_t_poll_wait_time_cb(void *callback_parameter)
{
if (MAC_POLL_EXPLICIT == mac_poll_state) {
/*
* Data is not received on time for the poll request, hence
* generate
* the poll confirm using the poll request buffer which was
* stored in
* mac_conf_buf_ptr.
*/
gen_mlme_poll_conf((buffer_t *)mac_conf_buf_ptr, MAC_NO_DATA);
}
mac_poll_state = MAC_POLL_IDLE;
/* MAC was busy during poll. */
MAKE_MAC_NOT_BUSY();
callback_parameter = callback_parameter; /* Keep compiler happy. */
}
