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Code Issues Releases Activity

Removed (now unused) packet_handler.c

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This commit is contained in:
Brian Webb 2012-12-16 09:31:21 -07:00
parent c4c58331e5
commit 9765244753
6 changed files with 0 additions and 376 deletions
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28
flight/Libraries/inc/packet_handler.h
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@ -101,34 +101,6 @@ typedef struct {
uint8_t ecc[RS_ECC_NPARITY];
} PHConnectionPacket, *PHConnectionPacketHandle;
typedef struct {
uint32_t default_destination_id;
uint32_t source_id;
uint16_t max_connections;
uint8_t win_size;
} PacketHandlerConfig;
typedef int32_t (*PHOutputStream)(PHPacketHandle packet);
typedef void (*PHDataHandler)(uint8_t *data, uint8_t len, int8_t rssi, int8_t afc);
typedef void (*PHStatusHandler)(PHStatusPacketHandle s, int8_t rssi, int8_t afc);
typedef void (*PHPPMHandler)(uint16_t *channels);
typedef uint32_t PHInstHandle;
// Public functions
PHInstHandle PHInitialize(PacketHandlerConfig *cfg);
void PHRegisterOutputStream(PHInstHandle h, PHOutputStream f);
void PHRegisterDataHandler(PHInstHandle h, PHDataHandler f);
void PHRegisterStatusHandler(PHInstHandle h, PHStatusHandler f);
void PHRegisterPPMHandler(PHInstHandle h, PHPPMHandler f);
uint32_t PHConnect(PHInstHandle h, uint32_t dest_id);
PHPacketHandle PHGetRXPacket(PHInstHandle h);
void PHReleaseRXPacket(PHInstHandle h, PHPacketHandle p);
PHPacketHandle PHGetTXPacket(PHInstHandle h);
void PHReleaseTXPacket(PHInstHandle h, PHPacketHandle p);
uint8_t PHTransmitPacket(PHInstHandle h, PHPacketHandle p);
uint8_t PHTransmitData(PHInstHandle h, uint8_t *buf, uint16_t len);
#endif // __PACKET_HANDLER_H__
/**

335
flight/Libraries/packet_handler.c
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@ -1,335 +0,0 @@
/**
******************************************************************************
* @addtogroup OpenPilotSystem OpenPilot System
* @{
* @addtogroup OpenPilotLibraries OpenPilot System Libraries
* @{
*
* @file packet_handler.c
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
* @brief A packet handler for handeling radio packet transmission.
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "openpilot.h"
#include "packet_handler.h"
#include "aes.h"
#include "ecc.h"
extern char *debug_msg;
// Private types and constants
typedef struct {
PacketHandlerConfig cfg;
PHPacket *tx_packets;
uint8_t tx_win_start;
uint8_t tx_win_end;
PHPacket *rx_packets;
uint8_t rx_win_start;
uint8_t rx_win_end;
xSemaphoreHandle lock;
PHOutputStream output_stream;
PHDataHandler data_handler;
PHStatusHandler status_handler;
PHPPMHandler ppm_handler;
} PHPacketData, *PHPacketDataHandle;
// Private functions
static uint8_t PHLTransmitPacket(PHPacketDataHandle data, PHPacketHandle p);
/**
* Initialize the Packet Handler library
* \param[in] txWinSize The transmission window size (number of tx packet buffers).
* \param[in] streme A callback function for transmitting the packet.
* \param[in] id The source ID of transmitter.
* \return PHInstHandle The Pachet Handler instance data.
* \return 0 Failure
*/
PHInstHandle PHInitialize(PacketHandlerConfig *cfg)
{
// Allocate the primary structure
PHPacketDataHandle data = pvPortMalloc(sizeof(PHPacketData));
if (!data)
return 0;
data->cfg = *cfg;
// Allocate the packet windows
data->tx_packets = pvPortMalloc(sizeof(PHPacket) * data->cfg.win_size);
data->rx_packets = pvPortMalloc(sizeof(PHPacket) * data->cfg.win_size);
// Initialize the windows
data->tx_win_start = data->tx_win_end = 0;
data->rx_win_start = data->rx_win_end = 0;
for (uint8_t i = 0; i < data->cfg.win_size; ++i)
{
data->tx_packets[i].header.type = PACKET_TYPE_NONE;
data->rx_packets[i].header.type = PACKET_TYPE_NONE;
}
// Create the lock
data->lock = xSemaphoreCreateRecursiveMutex();
// Initialize the ECC library.
initialize_ecc();
// Initialize the handlers
data->output_stream = 0;
data->data_handler = 0;
data->status_handler = 0;
data->ppm_handler = 0;
// Return the structure.
return (PHInstHandle)data;
}
/**
* Register an output stream handler
* \param[in] h The packet handler instance data pointer.
* \param[in] f The output stream handler function
*/
void PHRegisterOutputStream(PHInstHandle h, PHOutputStream f)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
data->output_stream = f;
}
/**
* Register a data handler
* \param[in] h The packet handler instance data pointer.
* \param[in] f The data handler function
*/
void PHRegisterDataHandler(PHInstHandle h, PHDataHandler f)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
data->data_handler = f;
}
/**
* Register a PPM packet handler
* \param[in] h The packet handler instance data pointer.
* \param[in] f The PPM handler function
*/
void PHRegisterStatusHandler(PHInstHandle h, PHStatusHandler f)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
data->status_handler = f;
}
/**
* Register a PPM packet handler
* \param[in] h The packet handler instance data pointer.
* \param[in] f The PPM handler function
*/
void PHRegisterPPMHandler(PHInstHandle h, PHPPMHandler f)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
data->ppm_handler = f;
}
/**
* Get a packet out of the transmit buffer.
* \param[in] h The packet handler instance data pointer.
* \param[in] dest_id The destination ID of this connection
* \return PHPacketHandle A pointer to the packet buffer.
* \return 0 No packets buffers avaiable in the transmit window.
*/
uint32_t PHConnect(PHInstHandle h, uint32_t dest_id)
{
return 1;
}
/**
* Get a packet out of the transmit buffer.
* \param[in] h The packet handler instance data pointer.
* \return PHPacketHandle A pointer to the packet buffer.
* \return 0 No packets buffers avaiable in the transmit window.
*/
PHPacketHandle PHGetTXPacket(PHInstHandle h)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
// Lock
xSemaphoreTakeRecursive(data->lock, portMAX_DELAY);
// Find a free packet.
PHPacketHandle p = NULL;
for (uint8_t i = 0; i < data->cfg.win_size; ++i)
if (data->tx_packets[i].header.type == PACKET_TYPE_NONE)
{
p = data->tx_packets + i;
break;
}
// Release lock
xSemaphoreGiveRecursive(data->lock);
// Return a pointer to the packet at the end of the TX window.
return p;
}
/**
* Release a packet from the transmit packet buffer window.
* \param[in] h The packet handler instance data pointer.
* \param[in] p A pointer to the packet buffer.
* \return Nothing
*/
void PHReleaseTXPacket(PHInstHandle h, PHPacketHandle p)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
// Lock
xSemaphoreTakeRecursive(data->lock, portMAX_DELAY);
// Change the packet type so we know this packet is unused.
p->header.type = PACKET_TYPE_NONE;
// If this packet is at the start of the window, increment the start index.
while ((data->tx_win_start != data->tx_win_end) &&
(data->tx_packets[data->tx_win_start].header.type == PACKET_TYPE_NONE))
data->tx_win_start = (data->tx_win_start + 1) % data->cfg.win_size;
// Release lock
xSemaphoreGiveRecursive(data->lock);
}
/**
* Get a packet out of the receive buffer.
* \param[in] h The packet handler instance data pointer.
* \return PHPacketHandle A pointer to the packet buffer.
* \return 0 No packets buffers avaiable in the transmit window.
*/
PHPacketHandle PHGetRXPacket(PHInstHandle h)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
// Lock
xSemaphoreTakeRecursive(data->lock, portMAX_DELAY);
// Find a free packet.
PHPacketHandle p = NULL;
for (uint8_t i = 0; i < data->cfg.win_size; ++i)
if (data->rx_packets[i].header.type == PACKET_TYPE_NONE)
{
p = data->rx_packets + i;
break;
}
// Release lock
xSemaphoreGiveRecursive(data->lock);
// Return a pointer to the packet at the end of the TX window.
return p;
}
/**
* Release a packet from the receive packet buffer window.
* \param[in] h The packet handler instance data pointer.
* \param[in] p A pointer to the packet buffer.
* \return Nothing
*/
void PHReleaseRXPacket(PHInstHandle h, PHPacketHandle p)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
// Lock
xSemaphoreTakeRecursive(data->lock, portMAX_DELAY);
// Change the packet type so we know this packet is unused.
p->header.type = PACKET_TYPE_NONE;
// If this packet is at the start of the window, increment the start index.
while ((data->rx_win_start != data->rx_win_end) &&
(data->rx_packets[data->rx_win_start].header.type == PACKET_TYPE_NONE))
data->rx_win_start = (data->rx_win_start + 1) % data->cfg.win_size;
// Release lock
xSemaphoreGiveRecursive(data->lock);
}
/**
* Transmit a packet from the transmit packet buffer window.
* \param[in] h The packet handler instance data pointer.
* \param[in] p A pointer to the packet buffer.
* \return 1 Success
* \return 0 Failure
*/
uint8_t PHTransmitPacket(PHInstHandle h, PHPacketHandle p)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
// Try to transmit the packet.
if (!PHLTransmitPacket(data, p))
return 0;
return 1;
}
/**
* Transmit a packet of data.
* \param[in] h The packet handler instance data pointer.
* \param[in] p A pointer to the data buffer.
* \param[in] len The length of the data buffer.
* \return 1 Success
* \return 0 Failure
*/
uint8_t PHTransmitData(PHInstHandle h, uint8_t *buf, uint16_t len)
{
PHPacketDataHandle data = (PHPacketDataHandle)h;
// Get a packet from the packet handler.
PHPacketHandle p = PHGetTXPacket(pios_packet_handler);
if (!p)
return 0;
// Initialize the packet.
p->header.destination_id = data->cfg.default_destination_id;
p->header.source_id = data->cfg.source_id;
p->header.type = PACKET_TYPE_DATA;
p->header.data_size = len;
// Copy the data into the packet.
memcpy(p->data, buf, len);
// Send the packet.
return PHLTransmitPacket(data, p);
}
/**
* Transmit a packet from the transmit packet buffer window.
* \param[in] data The packet handler instance data pointer.
* \param[in] p A pointer to the packet buffer.
* \return 1 Success
* \return 0 Failure
*/
static uint8_t PHLTransmitPacket(PHPacketDataHandle data, PHPacketHandle p)
{
if(!data->output_stream)
return 0;
// Transmit the packet using the output stream.
if(data->output_stream(p) == -1)
return 0;
return 1;
}

1
flight/PipXtreme/Makefile
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@ -195,7 +195,6 @@ SRC += $(FLIGHTLIB)/fifo_buffer.c
SRC += $(FLIGHTLIB)/CoordinateConversions.c
SRC += $(FLIGHTLIB)/taskmonitor.c
SRC += $(FLIGHTLIB)/aes.c
SRC += $(FLIGHTLIB)/packet_handler.c
## The Reed-Solomon FEC library
SRC += $(FLIGHTLIB)/rscode/rs.c
SRC += $(FLIGHTLIB)/rscode/berlekamp.c

10
flight/PipXtreme/System/pios_board.c
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@ -57,7 +57,6 @@ uint32_t pios_ppm_rcvr_id = 0;
uint32_t pios_rfm22b_id = 0;
uint32_t pios_com_rfm22b_id = 0;
uint32_t pios_com_radio_id = 0;
uint32_t pios_packet_handler = 0;
#endif
/**
@ -247,15 +246,6 @@ void PIOS_Board_Init(void) {
PIOS_Assert(0);
}
}
// Initialize the packet handler
PacketHandlerConfig pios_ph_cfg = {
.default_destination_id = 0xffffffff, // Broadcast
.source_id = PIOS_RFM22B_DeviceID(pios_rfm22b_id),
.win_size = PIOS_PH_WIN_SIZE,
.max_connections = PIOS_PH_MAX_CONNECTIONS,
};
pios_packet_handler = PHInitialize(&pios_ph_cfg);
#endif /* PIOS_INCLUDE_RFM22B */
/* Remap AFIO pin */

1
flight/RevoMini/Makefile
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@ -149,7 +149,6 @@ SRC += $(MATHLIB)/sin_lookup.c
SRC += $(MATHLIB)/pid.c
## For RFM22b
SRC += $(FLIGHTLIB)/packet_handler.c
SRC += $(RSCODE)/berlekamp.c
SRC += $(RSCODE)/crcgen.c
SRC += $(RSCODE)/galois.c

1
flight/RevoMini/System/pios_board.c
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@ -234,7 +234,6 @@ uint32_t pios_com_bridge_id = 0;
uint32_t pios_com_overo_id = 0;
#if defined(PIOS_INCLUDE_RFM22B)
uint32_t pios_rfm22b_id = 0;
uint32_t pios_packet_handler = 0;
#endif
/*