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More cleanup of RSSI, sending RSSI status over MSP.

This commit is contained in:
mikeller 2017-11-18 16:42:28 +13:00
parent 75632daf6b
commit ade394b6f5
5 changed files with 109 additions and 46 deletions
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8
src/main/rx/flysky.c
View File

@ -173,7 +173,7 @@ static void checkTimeout (void)
if(countTimeout > 31) {
timeout = timings->syncPacket;
setRssiFiltered(0);
setRssiFiltered(0, RSSI_SOURCE_RX_PROTOCOL);
} else {
timeout = timings->packet;
countTimeout++;
@ -197,7 +197,7 @@ static void checkRSSI (void)
rssi_dBm = 50 + sum / (3 * FLYSKY_RSSI_SAMPLE_COUNT); // range about [95...52], -dBm
int16_t tmp = 2280 - 24 * rssi_dBm;// convert to [0...1023]
setRssiFiltered(constrain(tmp, 0, 1023));
setRssiFiltered(constrain(tmp, 0, 1023), RSSI_SOURCE_RX_PROTOCOL);
}
static bool isValidPacket (const uint8_t *packet) {
@ -384,6 +384,10 @@ void flySkyInit (const struct rxConfig_s *rxConfig, struct rxRuntimeConfig_s *rx
startRxChannel = getNextChannel(0);
}
if (rssiSource == RSSI_SOURCE_NONE) {
rssiSource = RSSI_SOURCE_RX_PROTOCOL;
}
A7105WriteReg(A7105_0F_CHANNEL, startRxChannel);
A7105Strobe(A7105_RX); // start listening

15
src/main/rx/fport.c
View File

@ -46,6 +46,7 @@
#define FPORT_TIME_NEEDED_PER_FRAME_US 3000
#define FPORT_MAX_TELEMETRY_RESPONSE_DELAY_US 2000
#define FPORT_MIN_TELEMETRY_RESPONSE_DELAY_US 500
#define FPORT_MAX_TELEMETRY_AGE_MS 500
#define FPORT_FRAME_MARKER 0x7E
@ -237,6 +238,7 @@ static uint8_t fportFrameStatus(void)
static smartPortPayload_t payloadBuffer;
static smartPortPayload_t *mspPayload = NULL;
static bool hasTelemetryRequest = false;
static timeUs_t lastRcFrameReceivedMs = 0;
uint8_t result = RX_FRAME_PENDING;
@ -258,7 +260,9 @@ static uint8_t fportFrameStatus(void)
} else {
result = sbusChannelsDecode(&frame->data.controlData.channels);
setRssiUnfiltered(scaleRange(constrain(frame->data.controlData.rssi, 0, 100), 0, 100, 0, 1024));
setRssiUnfiltered(scaleRange(constrain(frame->data.controlData.rssi, 0, 100), 0, 100, 0, 1024), RSSI_SOURCE_RX_PROTOCOL);
lastRcFrameReceivedMs = millis();
}
break;
@ -323,6 +327,11 @@ static uint8_t fportFrameStatus(void)
#endif
}
if (lastRcFrameReceivedMs && ((millis() - lastRcFrameReceivedMs) > FPORT_MAX_TELEMETRY_AGE_MS)) {
setRssiFiltered(0, RSSI_SOURCE_RX_PROTOCOL);
lastRcFrameReceivedMs = 0;
}
return result;
}
@ -353,6 +362,10 @@ bool fportRxInit(const rxConfig_t *rxConfig, rxRuntimeConfig_t *rxRuntimeConfig)
#if defined(USE_TELEMETRY_SMARTPORT)
telemetryEnabled = initSmartPortTelemetryExternal(smartPortWriteFrameFport);
#endif
if (rssiSource == RSSI_SOURCE_NONE) {
rssiSource = RSSI_SOURCE_RX_PROTOCOL;
}
}
return fportPort != NULL;

8
src/main/rx/frsky_d.c
View File

@ -133,7 +133,7 @@ static void compute_RSSIdbm(uint8_t *packet)
RSSI_dBm = ((((uint16_t)packet[18]) * 18) >> 5) + 65;
}
setRssiUnfiltered(constrain(RSSI_dBm << 3, 0, 1024));
setRssiUnfiltered(constrain(RSSI_dBm << 3, 0, 1024), RSSI_SOURCE_RX_PROTOCOL);
}
#if defined(USE_TELEMETRY_FRSKY)
@ -714,11 +714,17 @@ static void frskyD_Rx_Setup(rx_spi_protocol_e protocol)
RX_enable();
#endif
#if defined(USE_FRSKY_D_TELEMETRY)
#if defined(USE_TELEMETRY_FRSKY)
initFrSkyExternalTelemetry(&frSkyTelemetryInitFrameSpi,
&frSkyTelemetryWriteSpi);
#endif
if (rssiSource == RSSI_SOURCE_NONE) {
rssiSource = RSSI_SOURCE_RX_PROTOCOL;
}
#endif
// if(!frSkySpiDetect())//detect spi working routine
// return;
}

104
src/main/rx/rx.c
View File

@ -68,11 +68,12 @@
const char rcChannelLetters[] = "AERT12345678abcdefgh";
static uint16_t rssi = 0; // range: [0;1023]
static bool useMspRssi = true;
static timeUs_t lastMspRssiUpdateUs = 0;
#define MSP_RSSI_TIMEOUT_US 1500000 // 1.5 sec
rssiSource_t rssiSource;
static bool rxDataReceived = false;
static bool rxSignalReceived = false;
static bool rxSignalReceivedNotDataDriven = false;
@ -360,6 +361,15 @@ void rxInit(void)
}
#endif
#if defined(USE_ADC)
if (feature(FEATURE_RSSI_ADC)) {
rssiSource = RSSI_SOURCE_ADC;
} else
#endif
if (rxConfig()->rssi_channel > 0) {
rssiSource = RSSI_SOURCE_RX_CHANNEL;
}
rxChannelCount = MIN(rxConfig()->max_aux_channel + NON_AUX_CHANNEL_COUNT, rxRuntimeConfig.channelCount);
}
@ -612,10 +622,48 @@ void parseRcChannels(const char *input, rxConfig_t *rxConfig)
}
}
void setRssiFiltered(uint16_t newRssi)
void setRssiFiltered(uint16_t newRssi, rssiSource_t source)
{
if (source != rssiSource) {
return;
}
rssi = newRssi;
useMspRssi = false;
}
#define RSSI_SAMPLE_COUNT 16
#define RSSI_MAX_VALUE 1023
void setRssiUnfiltered(uint16_t rssiValue, rssiSource_t source)
{
if (source != rssiSource) {
return;
}
static uint16_t rssiSamples[RSSI_SAMPLE_COUNT];
static uint8_t rssiSampleIndex = 0;
static unsigned sum = 0;
sum = sum + rssiValue;
sum = sum - rssiSamples[rssiSampleIndex];
rssiSamples[rssiSampleIndex] = rssiValue;
rssiSampleIndex = (rssiSampleIndex + 1) % RSSI_SAMPLE_COUNT;
int16_t rssiMean = sum / RSSI_SAMPLE_COUNT;
rssi = rssiMean;
}
void setRssiMsp(uint8_t newMspRssi)
{
if (rssiSource == RSSI_SOURCE_NONE) {
rssiSource = RSSI_SOURCE_MSP;
}
if (rssiSource == RSSI_SOURCE_MSP) {
rssi = ((uint16_t)newMspRssi) << 2;
lastMspRssiUpdateUs = micros();
}
}
static void updateRSSIPWM(void)
@ -629,7 +677,7 @@ static void updateRSSIPWM(void)
}
// Range of rawPwmRssi is [1000;2000]. rssi should be in [0;1023];
setRssiFiltered(constrain((uint16_t)(((pwmRssi - 1000) / 1000.0f) * 1024.0f), 0, 1023));
setRssiFiltered(constrain((uint16_t)(((pwmRssi - 1000) / 1000.0f) * 1024.0f), 0, RSSI_MAX_VALUE), RSSI_SOURCE_RX_CHANNEL);
}
static void updateRSSIADC(timeUs_t currentTimeUs)
@ -646,54 +694,36 @@ static void updateRSSIADC(timeUs_t currentTimeUs)
const uint16_t adcRssiSample = adcGetChannel(ADC_RSSI);
uint16_t rssiValue = (uint16_t)((1024.0f * adcRssiSample) / (rxConfig()->rssi_scale * 100.0f));
rssiValue = constrain(rssiValue, 0, 1023);
rssiValue = constrain(rssiValue, 0, RSSI_MAX_VALUE);
// RSSI_Invert option
if (rxConfig()->rssi_invert) {
rssiValue = 1024 - rssiValue;
rssiValue = RSSI_MAX_VALUE - rssiValue;
}
setRssiUnfiltered((uint16_t)rssiValue);
setRssiUnfiltered((uint16_t)rssiValue, RSSI_SOURCE_ADC);
#endif
}
#define RSSI_SAMPLE_COUNT 16
void setRssiUnfiltered(uint16_t rssiValue)
{
static uint16_t rssiSamples[RSSI_SAMPLE_COUNT];
static uint8_t rssiSampleIndex = 0;
static unsigned sum = 0;
sum = sum + rssiValue;
sum = sum - rssiSamples[rssiSampleIndex];
rssiSamples[rssiSampleIndex] = rssiValue;
rssiSampleIndex = (rssiSampleIndex + 1) % RSSI_SAMPLE_COUNT;
int16_t rssiMean = sum / RSSI_SAMPLE_COUNT;
setRssiFiltered(rssiMean);
}
void setRssiMsp(uint8_t newMspRssi)
{
if (useMspRssi) {
rssi = ((uint16_t)newMspRssi) << 2;
lastMspRssiUpdateUs = micros();
}
}
void updateRSSI(timeUs_t currentTimeUs)
{
if (rxConfig()->rssi_channel > 0) {
switch (rssiSource) {
case RSSI_SOURCE_RX_CHANNEL:
updateRSSIPWM();
} else if (feature(FEATURE_RSSI_ADC)) {
break;
case RSSI_SOURCE_ADC:
updateRSSIADC(currentTimeUs);
} else if (useMspRssi) {
break;
case RSSI_SOURCE_MSP:
if (cmpTimeUs(micros(), lastMspRssiUpdateUs) > MSP_RSSI_TIMEOUT_US) {
rssi = 0;
}
break;
default:
break;
}
}

18
src/main/rx/rx.h
View File

@ -159,6 +159,16 @@ typedef struct rxRuntimeConfig_s {
rcFrameStatusFnPtr rcFrameStatusFn;
} rxRuntimeConfig_t;
typedef enum rssiSource_e {
RSSI_SOURCE_NONE = 0,
RSSI_SOURCE_ADC,
RSSI_SOURCE_RX_CHANNEL,
RSSI_SOURCE_RX_PROTOCOL,
RSSI_SOURCE_MSP,
} rssiSource_t;
extern rssiSource_t rssiSource;
extern rxRuntimeConfig_t rxRuntimeConfig; //!!TODO remove this extern, only needed once for channelCount
void rxInit(void);
@ -169,10 +179,10 @@ void calculateRxChannelsAndUpdateFailsafe(timeUs_t currentTimeUs);
void parseRcChannels(const char *input, rxConfig_t *rxConfig);
void setRssiFiltered(uint16_t newRssi);
void setRssiUnfiltered(uint16_t rssiValue);
void setRssiMsp(uint8_t newMspRssi);
void updateRSSI(timeUs_t currentTimeUs);
void setRssiFiltered(const uint16_t newRssi, const rssiSource_t source);
void setRssiUnfiltered(const uint16_t rssiValue, const rssiSource_t source);
void setRssiMsp(const uint8_t newMspRssi);
void updateRSSI(const timeUs_t currentTimeUs);
uint16_t getRssi(void);
void resetAllRxChannelRangeConfigurations(rxChannelRangeConfig_t *rxChannelRangeConfig);