cc2500_frsky_x.c File Reference

#include "cc2500_compat.h"
#include "peripherals/cc2500.h"
#include "cc2500_settings.h"
#include "cc2500_rx_spi_common.h"
#include "cc2500_common.h"
#include "cc2500_frsky_common.h"
#include "cc2500_frsky_shared.h"
#include "cc2500_frsky_x.h"
#include "cc2500_smartport.h"
#include <string.h>

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Data Structures
struct	telemetrySequenceMarkerData_s
union	telemetrySequenceMarker_s
struct	telemetryData_s
struct	telemetryBuffer_s
struct	telemetryPayload_s

Macros
#define	UNUSED(x)   (void)(x)
#define	TELEMETRY_OUT_BUFFER_SIZE   64
#define	TELEMETRY_SEQUENCE_LENGTH   4
#define	A1_CONST_X   50
#define	SEQUENCE_MARKER_REMOTE_PART   0xf0
#define	TELEMETRY_DATA_SIZE   5
#define	TELEMETRY_FRAME_SIZE   sizeof(telemetryData_t)

Typedefs
typedef struct telemetrySequenceMarkerData_s	telemetrySequenceMarkerData_t
typedef union telemetrySequenceMarker_s	telemetrySequenceMarker_t
typedef struct telemetryData_s	telemetryData_t
typedef struct telemetryBuffer_s	telemetryBuffer_t
typedef struct telemetryPayload_s	telemetryPayload_t

Functions
static uint16_t	calculateCrc (const uint8_t *data, uint8_t len)
static uint8_t	appendSmartPortData (uint8_t *buf)
static void	buildTelemetryFrame (uint8_t *packet)
static bool	frSkyXCheckQueueEmpty (void)
static void	frSkyXTelemetrySendByte (uint8_t c)
static void	frSkyXTelemetryWriteFrame (const smartPortPayload_t *payload)
void	frSkyXSetRcData (uint16_t *rcData, const uint8_t *packet)
bool	isValidPacket (const uint8_t *packet)
rx_spi_received_e	frSkyXHandlePacket (uint8_t *const packet, uint8_t *const protocolState)
rx_spi_received_e	frSkyXProcessFrame (uint8_t *const packet)
void	frSkyXInit (const rx_spi_protocol_e spiProtocol)

Variables
const uint16_t	crcTable []
static telemetryData_t	telemetryTxBuffer [TELEMETRY_SEQUENCE_LENGTH]
static telemetryBuffer_t	telemetryRxBuffer [TELEMETRY_SEQUENCE_LENGTH]
static telemetrySequenceMarker_t	responseToSend
static uint8_t	frame [20]
static uint8_t	telemetryOutWriter
static uint8_t	telemetryOutBuffer [TELEMETRY_OUT_BUFFER_SIZE]
static bool	telemetryEnabled = false
static uint8_t	remoteToProcessId = 0
static uint8_t	remoteToProcessIndex = 0
static uint8_t	packetLength
static uint16_t	telemetryDelayUs

---

Data Structure Documentation

telemetrySequenceMarkerData_s

struct telemetrySequenceMarkerData_s

Definition at line 116 of file cc2500_frsky_x.c.

Data Fields
unsigned int	ackSequenceId: 2
unsigned int	initRequest: 1
unsigned int	initResponse: 1
unsigned int	packetSequenceId: 2
unsigned int	retransmissionRequested: 1
unsigned int	unused: 1

telemetrySequenceMarker_s

union telemetrySequenceMarker_s

Definition at line 125 of file cc2500_frsky_x.c.

Collaboration diagram for telemetrySequenceMarker_s:

Data Fields
telemetrySequenceMarkerData_t	data
uint8_t	raw

telemetryData_s

struct telemetryData_s

Definition at line 134 of file cc2500_frsky_x.c.

Data Fields
uint8_t	data[TELEMETRY_DATA_SIZE]
uint8_t	dataLength

telemetryBuffer_s

struct telemetryBuffer_s

Definition at line 139 of file cc2500_frsky_x.c.

Collaboration diagram for telemetryBuffer_s:

Data Fields
telemetryData_t	data
uint8_t	needsProcessing

telemetryPayload_s

struct telemetryPayload_s

Definition at line 146 of file cc2500_frsky_x.c.

Collaboration diagram for telemetryPayload_s:

Data Fields
uint8_t	crc[2]
telemetryData_t	data
uint8_t	packetConst
uint8_t	rssiA1
telemetrySequenceMarker_t	sequence

Macro Definition Documentation

A1_CONST_X

#define A1_CONST_X   50

Definition at line 114 of file cc2500_frsky_x.c.

SEQUENCE_MARKER_REMOTE_PART

#define SEQUENCE_MARKER_REMOTE_PART   0xf0

Definition at line 130 of file cc2500_frsky_x.c.

TELEMETRY_DATA_SIZE

#define TELEMETRY_DATA_SIZE   5

Definition at line 132 of file cc2500_frsky_x.c.

TELEMETRY_FRAME_SIZE

#define TELEMETRY_FRAME_SIZE   sizeof(telemetryData_t)

Definition at line 144 of file cc2500_frsky_x.c.

TELEMETRY_OUT_BUFFER_SIZE

#define TELEMETRY_OUT_BUFFER_SIZE   64

Definition at line 110 of file cc2500_frsky_x.c.

TELEMETRY_SEQUENCE_LENGTH

#define TELEMETRY_SEQUENCE_LENGTH   4

Definition at line 112 of file cc2500_frsky_x.c.

UNUSED

#define UNUSED

(

x

)

(void)(x)

Definition at line 12 of file cc2500_frsky_x.c.

Typedef Documentation

telemetryBuffer_t

typedef struct telemetryBuffer_s telemetryBuffer_t

telemetryData_t

typedef struct telemetryData_s telemetryData_t

telemetryPayload_t

typedef struct telemetryPayload_s telemetryPayload_t

telemetrySequenceMarker_t

typedef union telemetrySequenceMarker_s telemetrySequenceMarker_t

telemetrySequenceMarkerData_t

typedef struct telemetrySequenceMarkerData_s telemetrySequenceMarkerData_t

Function Documentation

appendSmartPortData()

static uint8_t appendSmartPortData ( uint8_t *  buf )

static

Definition at line 190 of file cc2500_frsky_x.c.

References TELEMETRY_DATA_SIZE, TELEMETRY_OUT_BUFFER_SIZE, telemetryOutBuffer, and telemetryOutWriter.

Referenced by buildTelemetryFrame().

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buildTelemetryFrame()

static void buildTelemetryFrame ( uint8_t *  packet )

static

Definition at line 207 of file cc2500_frsky_x.c.

References A1_CONST_X, rxCc2500SpiConfig_s::a1Source, telemetrySequenceMarkerData_s::ackSequenceId, ADC_EXTERNAL1, adcGetChannel, appendSmartPortData(), rxCc2500SpiConfig_s::bindTxId, calculateCrc(), cc2500getRssiDbm(), telemetrySequenceMarker_s::data, frame, FRSKY_SPI_A1_SOURCE_CONST, FRSKY_SPI_A1_SOURCE_EXTADC, FRSKY_SPI_A1_SOURCE_VBAT, getLegacyBatteryVoltage, telemetrySequenceMarkerData_s::initRequest, telemetrySequenceMarkerData_s::initResponse, telemetrySequenceMarkerData_s::packetSequenceId, telemetrySequenceMarker_s::raw, responseToSend, telemetrySequenceMarkerData_s::retransmissionRequested, rxCc2500SpiConfig(), SEQUENCE_MARKER_REMOTE_PART, TELEMETRY_FRAME_SIZE, TELEMETRY_SEQUENCE_LENGTH, and telemetryTxBuffer.

Referenced by frSkyXHandlePacket().

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calculateCrc()

static uint16_t calculateCrc ( const uint8_t *  data, uint8_t  len  )

static

Definition at line 180 of file cc2500_frsky_x.c.

References logger_uart_parse::crc, and crcTable.

Referenced by buildTelemetryFrame(), and isValidPacket().

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frSkyXCheckQueueEmpty()

static bool frSkyXCheckQueueEmpty ( void  )

static

Definition at line 271 of file cc2500_frsky_x.c.

Referenced by frSkyXProcessFrame().

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frSkyXHandlePacket()

rx_spi_received_e frSkyXHandlePacket	(	uint8_t *const	packet,
		uint8_t *const	protocolState
	)

Definition at line 340 of file cc2500_frsky_x.c.

References telemetrySequenceMarkerData_s::ackSequenceId, buildTelemetryFrame(), CC2500_3B_RXBYTES, CC2500_READ_BURST, CC2500_SFRX, CC2500_SIDLE, CC2500_SRX, cc2500getGdo(), cc2500ReadFifo(), cc2500ReadReg(), cc2500SetPower(), cc2500setRssiDbm(), cc2500Strobe(), cc2500WriteFifo(), cmpTimeUs(), telemetrySequenceMarker_s::data, DEBUG_DATA_BAD_FRAME, DEBUG_DATA_MISSING_PACKETS, DEBUG_SET, delayMicroseconds, FALLTHROUGH, frame, initialiseData(), isValidPacket(), listLength, MAX_MISSING_PKT, micros, missingPackets, telemetryBuffer_s::needsProcessing, nextChannel(), packetLength, telemetrySequenceMarkerData_s::packetSequenceId, protocolState, telemetrySequenceMarker_s::raw, remoteToProcessId, remoteToProcessIndex, responseToSend, telemetrySequenceMarkerData_s::retransmissionRequested, RSSI_SOURCE_RX_PROTOCOL, RX_SPI_RECEIVED_DATA, RX_SPI_RECEIVED_NONE, RX_SPI_ROCESSING_REQUIRED, rxSpiCheckBindRequested(), rxSpiLedOn(), rxSpiLedToggle(), setRssiDirect(), STATE_DATA, STATE_INIT, STATE_RESUME, STATE_STARTING, STATE_TELEMETRY, STATE_UPDATE, SYNC_DELAY_MAX, TELEMETRY_FRAME_SIZE, TELEMETRY_SEQUENCE_LENGTH, telemetryDelayUs, telemetryEnabled, telemetryRxBuffer, and timeoutUs.

Referenced by frSkySpiInit().

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frSkyXInit()

void frSkyXInit

(

const rx_spi_protocol_e

spiProtocol

)

Definition at line 582 of file cc2500_frsky_x.c.

References FEATURE_TELEMETRY, featureIsEnabled, frSkyXTelemetryWriteFrame(), initSmartPortTelemetryExternal(), packetLength, RX_SPI_FRSKY_X, RX_SPI_FRSKY_X_LBT, spiProtocol, telemetryDelayUs, and telemetryEnabled.

Referenced by frSkySpiInit().

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frSkyXProcessFrame()

rx_spi_received_e frSkyXProcessFrame

(

uint8_t *const

packet

)

Definition at line 544 of file cc2500_frsky_x.c.

References telemetryBuffer_s::data, frSkyXCheckQueueEmpty(), millis, telemetryBuffer_s::needsProcessing, processSmartPortTelemetry(), remoteToProcessId, remoteToProcessIndex, RX_SPI_RECEIVED_NONE, smartPortDataReceive(), TELEMETRY_SEQUENCE_LENGTH, telemetryRxBuffer, and UNUSED.

Referenced by frSkySpiInit().

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frSkyXSetRcData()

void frSkyXSetRcData	(	uint16_t *	rcData,
		const uint8_t *	packet
	)

Definition at line 304 of file cc2500_frsky_x.c.

References rcData.

Referenced by frSkySpiInit().

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frSkyXTelemetrySendByte()

static void frSkyXTelemetrySendByte ( uint8_t  c )

static

Definition at line 277 of file cc2500_frsky_x.c.

References FSSP_DLE, FSSP_DLE_XOR, FSSP_START_STOP, TELEMETRY_OUT_BUFFER_SIZE, telemetryOutBuffer, and telemetryOutWriter.

Referenced by frSkyXTelemetryWriteFrame().

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frSkyXTelemetryWriteFrame()

static void frSkyXTelemetryWriteFrame ( const smartPortPayload_t *  payload )

static

Definition at line 289 of file cc2500_frsky_x.c.

References frSkyXTelemetrySendByte(), FSSP_SENSOR_ID1, FSSP_START_STOP, TELEMETRY_OUT_BUFFER_SIZE, telemetryOutBuffer, and telemetryOutWriter.

Referenced by frSkyXInit().

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isValidPacket()

bool isValidPacket

(

const uint8_t *

packet

)

Definition at line 327 of file cc2500_frsky_x.c.

References calculateCrc(), packetLength, and rxCc2500SpiConfig().

Referenced by frSkyXHandlePacket().

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Variable Documentation

crcTable

const uint16_t crcTable[]

Definition at line 75 of file cc2500_frsky_x.c.

Referenced by calculateCrc().

frame

uint8_t frame[20]

static

Definition at line 163 of file cc2500_frsky_x.c.

Referenced by buildTelemetryFrame(), DictionaryTrainingYUV(), DistributionExtraction(), DshotErpsSetFromFrame(), eperiodDecode(), frSkyXHandlePacket(), get_object(), and texton_func().

packetLength

uint8_t packetLength

static

Definition at line 177 of file cc2500_frsky_x.c.

Referenced by frSkyXHandlePacket(), frSkyXInit(), and isValidPacket().

remoteToProcessId

uint8_t remoteToProcessId = 0

static

Definition at line 172 of file cc2500_frsky_x.c.

Referenced by frSkyXHandlePacket(), and frSkyXProcessFrame().

remoteToProcessIndex

uint8_t remoteToProcessIndex = 0

static

Definition at line 173 of file cc2500_frsky_x.c.

Referenced by frSkyXHandlePacket(), and frSkyXProcessFrame().

responseToSend

telemetrySequenceMarker_t responseToSend

static

Definition at line 160 of file cc2500_frsky_x.c.

Referenced by buildTelemetryFrame(), and frSkyXHandlePacket().

telemetryDelayUs

uint16_t telemetryDelayUs

static

Definition at line 178 of file cc2500_frsky_x.c.

Referenced by frSkyXHandlePacket(), and frSkyXInit().

telemetryEnabled

bool telemetryEnabled = false

static

Definition at line 170 of file cc2500_frsky_x.c.

Referenced by frSkyXHandlePacket(), and frSkyXInit().

telemetryOutBuffer

uint8_t telemetryOutBuffer[TELEMETRY_OUT_BUFFER_SIZE]

static

Definition at line 168 of file cc2500_frsky_x.c.

Referenced by appendSmartPortData(), frSkyXTelemetrySendByte(), and frSkyXTelemetryWriteFrame().

telemetryOutWriter

uint8_t telemetryOutWriter

static

Definition at line 166 of file cc2500_frsky_x.c.

Referenced by appendSmartPortData(), frSkyXTelemetrySendByte(), and frSkyXTelemetryWriteFrame().

telemetryRxBuffer

telemetryBuffer_t telemetryRxBuffer[TELEMETRY_SEQUENCE_LENGTH]

static

Definition at line 158 of file cc2500_frsky_x.c.

Referenced by frSkyXHandlePacket(), and frSkyXProcessFrame().

telemetryTxBuffer

telemetryData_t telemetryTxBuffer[TELEMETRY_SEQUENCE_LENGTH]

static

Definition at line 155 of file cc2500_frsky_x.c.

Referenced by buildTelemetryFrame().