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94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
#ifndef TRANSCEIVER_H
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#define TRANSCEIVER_H
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#include <radio/types.h>
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/* Stack size for transceiver thread */
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#ifdef ENABLE_DEBUG
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#define TRANSCEIVER_STACK_SIZE (2048)
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#else
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#define TRANSCEIVER_STACK_SIZE (512)
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#endif
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#define PAYLOAD_SIZE (58)
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/* The maximum of threads to register */
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#define TRANSCEIVER_MAX_REGISTERED (4)
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/* The size of the message queue between driver and transceiver (must be power
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* of two */
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#define TRANSCEIVER_MSG_BUFFER_SIZE (32)
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/**
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* @brief Message types for transceiver interface
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*/
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enum transceiver_msg_type_t {
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/* Packet types for driver <-> transceiver communication */
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RCV_PKT_CC1020, ///< packet was received by CC1020 transceiver
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RCV_PKT_CC1100, ///< packet was received by CC1100 transceiver
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/* Packet types for transceiver <-> upper layer communication */
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PKT_PENDING, ///< packet pending in transceiver buffer
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SND_PKT, ///< request for sending a packet
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SND_ACK, ///< request for sending an acknowledgement
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SWITCH_RX, ///< switch transceiver to RX sate
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POWERDOWN, ///< power down transceiver
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GET_CHANNEL, ///< Get current channel
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SET_CHANNEL, ///< Set a new channel
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GET_ADDRESS, ///< Get the radio address
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SET_ADDRESS, ///< Set the radio address
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SET_MONITOR, ///< Set transceiver to monitor mode (disable address checking)
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/* Error messages */
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ENOBUFFER, ///< No buffer left
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};
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/**
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* @brief All supported transceivers
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*/
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typedef enum {
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TRANSCEIVER_NONE, ///< Invalid
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TRANSCEIVER_CC1100, ///< CC110X transceivers
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TRANSCEIVER_CC1020 ///< CC1020 transceivers
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} transceiver_type_t;
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/**
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* @brief Manage registered threads per transceiver
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*/
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typedef struct {
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transceiver_type_t transceivers; ///< the tranceivers the thread is registered for
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int pid; ///< the thread's pid
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} registered_t;
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typedef struct {
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transceiver_type_t transceivers;
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void *data;
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} transceiver_command_t;;
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/* The transceiver thread's pid */
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extern int transceiver_pid;
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/**
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* @brief Initializes the transceiver module for certain transceiver types
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*
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* @param transceivers Specifies all transceivers to init
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**/
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void transceiver_init(transceiver_type_t transceivers);
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/**
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* @brief Runs the transceiver thread
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*/
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int transceiver_start(void);
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/**
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* @brief register a thread for events from certain transceivers
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*
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* @param transceivers The transceiver types to register for
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* @param pid The pid of the thread to register
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*
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* return 1 on success, 0 otherwise
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*/
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uint8_t transceiver_register(transceiver_type_t transceivers, int pid);
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#endif /* TRANSCEIVER_H */
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