serial_interface.c File Reference

Handles Serial Interface Functionalities.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "conf_board.h"
#include "avr2025_mac.h"
#include "serial_interface.h"
#include "sio2host.h"

Functions
static uint8_t *	get_next_tx_buffer (void)
	get the new buffer for next transmission through serial More...
static void	handle_incoming_msg (void)
	Parses the Received Data in the Buffer and Process the Commands accordingly. More...
static void	process_incoming_sio_data (void)
	Process data received from SIO. More...
void	serial_data_handler (void)
	Pulls the data from UART when activated. More...
void	serial_interface_init (void)
	This function does the initialization of the Serial handler state Machine. More...
void	usr_mcps_data_conf (uint8_t msduHandle, uint8_t status, uint32_t Timestamp)
	Callback function that must be implemented by application (NHLE) for MAC service MCPS-DATA.confirm. More...
void	usr_mcps_data_ind (wpan_addr_spec_t *SrcAddrSpec, wpan_addr_spec_t *DstAddrSpec, uint8_t msduLength, uint8_t *msdu, uint8_t mpduLinkQuality, uint8_t DSN, uint32_t Timestamp, uint8_t SecurityLevel, uint8_t KeyIdMode, uint8_t KeyIndex)
	Callback function that must be implemented by application (NHLE) for MAC service MCPS-DATA.indication. More...
void	usr_mlme_reset_conf (uint8_t status)
	Callback function that must be implemented by application (NHLE) for MAC service MLME-RESET.confirm. More...
void	usr_mlme_set_conf (uint8_t status, uint8_t PIBAttribute)
	Callback function that must be implemented by application (NHLE) for MAC service MLME-SET.confirm. More...
void	usr_mlme_sync_loss_ind (uint8_t LossReason, uint16_t PANId, uint8_t LogicalChannel, uint8_t ChannelPage)
	Callback function that must be implemented by application (NHLE) for MAC service MLME-SYNC-LOSS.indication. More...

Variables
static uint8_t	buf_count = 0
static uint8_t	data [SIO_RX_BUF_SIZE]
	This is the length of the message should be transmitted. More...
static uint8_t	data_length = 0
static uint8_t	head = 0
static uint8_t	rx_index = 0
static uint8_t	sio_rx_buf [SIO_RX_BUF_SIZE]
	This is the receive buffer of the UART. More...
static uint8_t	sio_rx_length
	This is the length of the message should be received. More...
static uint8_t *	sio_rx_ptr
	This pointer points to the next free element inside the receive buffer of the UART. More...
static volatile uint8_t	sio_rx_state
	This is the receiver state of the UART. More...
static uint8_t	sio_tx_buf [SIO_BUF_COUNT][SIO_TX_BUF_SIZE]
	This is the transmit buffer of the UART. More...

static uint8_t* get_next_tx_buffer ( void  )

static

get the new buffer for next transmission through serial

Returns

unsigned integer pointer to buf

References buf_count, head, NULL, SIO_BUF_COUNT, sio_tx_buf, SOT, and tail.

Referenced by usr_mcps_data_conf(), usr_mcps_data_ind(), usr_mlme_reset_conf(), usr_mlme_set_conf(), and usr_mlme_sync_loss_ind().

static void handle_incoming_msg ( void  )

static

Parses the Received Data in the Buffer and Process the Commands accordingly.

References wpan_addr_spec_tag::Addr, wpan_addr_spec_tag::AddrMode, Assert, FCF_SHORT_ADDR, address_field_t::long_address, MAC_INC_FRAME, mac_pib, MAC_PID, MCPS_DATA_REQUEST, MCPS_PURGE_REQUEST, MLME_ASSOCIATE_REQUEST, MLME_ASSOCIATE_RESPONSE, MLME_DISASSOCIATE_REQUEST, MLME_GET_REQUEST, MLME_GTS_REQUEST, MLME_ORPHAN_RESPONSE, MLME_POLL_REQUEST, MLME_RESET_REQUEST, MLME_RX_ENABLE_REQUEST, MLME_SCAN_REQUEST, MLME_SET_REQUEST, MLME_START_REQUEST, MLME_SYNC_REQUEST, NULL, wpan_addr_spec_tag::PANId, address_field_t::short_address, sio_rx_buf, wpan_mcps_data_req(), wpan_mcps_purge_req(), wpan_mlme_associate_req(), wpan_mlme_associate_resp(), wpan_mlme_disassociate_req(), wpan_mlme_get_req(), wpan_mlme_gts_req(), wpan_mlme_orphan_resp(), wpan_mlme_poll_req(), wpan_mlme_reset_req(), wpan_mlme_rx_enable_req(), wpan_mlme_scan_req(), wpan_mlme_set_req(), wpan_mlme_start_req(), and wpan_mlme_sync_req().

Referenced by process_incoming_sio_data().

static void process_incoming_sio_data ( void  )

inlinestatic

Process data received from SIO.

References data, EOT, handle_incoming_msg(), rx_index, sio_rx_buf, sio_rx_length, sio_rx_ptr, sio_rx_state, SOT, UART_RX_STATE_DATA, UART_RX_STATE_EOT, UART_RX_STATE_LENGTH, and UART_RX_STATE_SOT.

Referenced by serial_data_handler().

uint8_t buf_count = 0

static

Referenced by get_next_tx_buffer(), and serial_data_handler().

uint8_t data[SIO_RX_BUF_SIZE]

static

This is the length of the message should be transmitted.

uint8_t data_length = 0

static

Referenced by serial_data_handler().

uint8_t head = 0

static

uint8_t rx_index = 0

static

Referenced by process_incoming_sio_data(), and serial_data_handler().

uint8_t sio_rx_buf[SIO_RX_BUF_SIZE]

static

This is the receive buffer of the UART.

Referenced by handle_incoming_msg(), and process_incoming_sio_data().

uint8_t sio_rx_length

static

This is the length of the message should be received.

Referenced by process_incoming_sio_data().

uint8_t* sio_rx_ptr

static

This pointer points to the next free element inside the receive buffer of the UART.

Referenced by process_incoming_sio_data().

volatile uint8_t sio_rx_state

static

This is the receiver state of the UART.

(UART_RX_STATE_SOT, UART_RX_STATE_LENGTH, UART_RX_STATE_DATA, or UART_RX_STATE_EOT)

Referenced by process_incoming_sio_data(), and serial_interface_init().

uint8_t sio_tx_buf[SIO_BUF_COUNT][SIO_TX_BUF_SIZE]

static

This is the transmit buffer of the UART.

Referenced by get_next_tx_buffer(), and serial_data_handler().