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/*
* ANT Stack
*
* Copyright 2011 Dynastream Innovations
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*******************************************************************************\
*
* FILE NAME: ant_rx_chardev.h
*
* BRIEF:
* This file defines the receive thread function, the ant_rx_thread_info_t
* type for storing the -configuration- <state> of the receive thread, the
* ant_channel_info_t type for storing a channel's (transport path)
* configuration, and an enumeration of all ANT channels (transport paths).
*
*
\*******************************************************************************/
#ifndef __ANT_RX_NATIVE_H
#define __ANT_RX_NATIVE_H
#include "ant_native.h"
#include "ant_hci_defines.h"
/* same as HCI_MAX_EVENT_SIZE from hci.h, but hci.h is not included for vfs */
#define ANT_HCI_MAX_MSG_SIZE 260
#define ANT_MSG_SIZE_OFFSET ((ANT_U8)0)
#define ANT_MSG_ID_OFFSET ((ANT_U8)1)
#define ANT_MSG_DATA_OFFSET ((ANT_U8)2)
/* This struct defines the info passed to an rx thread */
typedef struct {
/* Device path */
const char *pcDevicePath;
/* File descriptor to read from */
int iFd;
/* Callback to call with ANT packet */
ANTNativeANTEventCb fnRxCallback;
/* Flow control response if channel supports it */
ANT_U8 ucFlowControlResp;
/* Handle to flow control condition */
pthread_cond_t *pstFlowControlCond;
/* Handle to flow control mutex */
pthread_mutex_t *pstFlowControlLock;
#ifdef ANT_FLOW_RESEND
/* Length of message to resend on request from chip */
ANT_U8 ucResendMessageLength;
/* The message to resend on request from chip */
ANT_U8 *pucResendMessage;
#endif // ANT_FLOW_RESEND
} ant_channel_info_t;
typedef enum {
#ifdef ANT_DEVICE_NAME // Single transport path
SINGLE_CHANNEL,
#else // Separate data/command paths
DATA_CHANNEL,
COMMAND_CHANNEL,
#endif // Separate data/command paths
NUM_ANT_CHANNELS
} ant_channel_type;
typedef struct {
/* Thread handle */
pthread_t stRxThread;
/* Exit condition */
ANT_U8 ucRunThread;
/* Set state as resetting override */
ANT_U8 ucChipResetting;
/* Handle to state change lock for crash cleanup */
pthread_mutex_t *pstEnabledStatusLock;
/* ANT channels */
ant_channel_info_t astChannels[NUM_ANT_CHANNELS];
/* Event file descriptor used to interrupt the poll() loop in the rx thread. */
int iRxShutdownEventFd;
} ant_rx_thread_info_t;
extern ANTNativeANTStateCb g_fnStateCallback; // TODO State callback should be inside ant_rx_thread_info_t.
/* This is the rx thread function. It loops reading ANT packets until told to
* exit */
void *fnRxThread(void *ant_rx_thread_info);
#endif /* ifndef __ANT_RX_NATIVE_H */
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