/** @file LMS7002M.cpp @author Lime Microsystems (www.limemicro.com) @brief Implementation of LMS7002M transceiver configuring */ #define _USE_MATH_DEFINES #include #include #include "vasprintf.h" #include "LMS7002M.h" #include #include #include "IConnection.h" #include "ErrorReporting.h" #include "INI.h" #include #include #include #include #include "LMS7002M_RegistersMap.h" #include "CalibrationCache.h" #include #include #include #include #include "Logger.h" #include "MCU_BD.h" const static uint16_t MCU_PARAMETER_ADDRESS = 0x002D; //register used to pass parameter values to MCU #define MCU_ID_DC_IQ_CALIBRATIONS 0x01 #define MCU_FUNCTION_CALIBRATE_TX 1 #define MCU_FUNCTION_CALIBRATE_RX 2 using namespace std; using namespace lime; #include "MCU_BD.h" float_type LMS7002M::gVCO_frequency_table[3][2] = { { 3800e6, 5222e6 }, { 4961e6, 6754e6 }, {6306e6, 7714e6} }; float_type LMS7002M::gCGEN_VCO_frequencies[2] = {1950e6, 2900e6}; ///define for parameter enumeration if prefix might be needed extern std::vector LMS7parameterList; //module addresses needs to be sorted in ascending order const uint16_t LMS7002M::readOnlyRegisters[] = { 0x002F, 0x008C, 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x0123, 0x0209, 0x020A, 0x020B, 0x040E, 0x040F }; const uint16_t LMS7002M::readOnlyRegistersMasks[] = { 0x0000, 0x0FFF, 0x007F, 0x0000, 0x0000, 0x0000, 0x0000, 0x003F, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 }; /** @brief Simple logging function to print status messages @param text message to print @param type message type for filtering specific information */ void LMS7002M::Log(const char* text, LogType type) { switch(type) { case LOG_INFO: lime::info(text); if(log_callback) log_callback(text, type); break; case LOG_WARNING: lime::warning(text); if(log_callback) log_callback(text, type); break; case LOG_ERROR: lime::error(text); if(log_callback) log_callback(text, type); break; case LOG_DATA: lime::debug(text); if(log_callback) log_callback(text, type); break; } } //Compatibility for vasprintf under MSVC #ifdef _MSC_VER int vasprintf(char **strp, const char *fmt, va_list ap) { int r = _vscprintf(fmt, ap); if (r < 0) return r; *strp = (char *)malloc(r+1); return vsprintf_s(*strp, r+1, fmt, ap); } #endif void LMS7002M::Log(LogType type, const char *format, va_list argList) { char *message = NULL; if (vasprintf(&message, format, argList) != -1) { Log(message, type); free(message); } } /** @brief Sets connection which is used for data communication with chip */ void LMS7002M::SetConnection(IConnection* port, const size_t devIndex) { controlPort = port; mdevIndex = devIndex; if (controlPort != nullptr) { unsigned byte_array_size = 0; if (controlPort->IsOpen()) { unsigned chipRev = this->Get_SPI_Reg_bits(LMS7_MASK, true); if (chipRev >= 1) byte_array_size = 1024 * 16; else byte_array_size = 1024 * 8; } mcuControl->Initialize(port, mdevIndex, byte_array_size); } } /** @brief Creates LMS7002M main control object. It requires IConnection to be set by SetConnection() to communicate with chip */ LMS7002M::LMS7002M() : useCache(0), mValueCache(new CalibrationCache()), mRegistersMap(new LMS7002M_RegistersMap()), controlPort(nullptr), mdevIndex(0), mSelfCalDepth(0) { mCalibrationByMCU = true; //memory intervals for registers tests and calibration algorithms MemorySectionAddresses[LimeLight][0] = 0x0020; MemorySectionAddresses[LimeLight][1] = 0x002F; MemorySectionAddresses[EN_DIR][0] = 0x0081; MemorySectionAddresses[EN_DIR][1] = 0x0081; MemorySectionAddresses[AFE][0] = 0x0082; MemorySectionAddresses[AFE][1] = 0x0082; MemorySectionAddresses[BIAS][0] = 0x0084; MemorySectionAddresses[BIAS][1] = 0x0084; MemorySectionAddresses[XBUF][0] = 0x0085; MemorySectionAddresses[XBUF][1] = 0x0085; MemorySectionAddresses[CGEN][0] = 0x0086; MemorySectionAddresses[CGEN][1] = 0x008C; MemorySectionAddresses[LDO][0] = 0x0092; MemorySectionAddresses[LDO][1] = 0x00A7; MemorySectionAddresses[BIST][0] = 0x00A8; MemorySectionAddresses[BIST][1] = 0x00AC; MemorySectionAddresses[CDS][0] = 0x00AD; MemorySectionAddresses[CDS][1] = 0x00AE; MemorySectionAddresses[TRF][0] = 0x0100; MemorySectionAddresses[TRF][1] = 0x0104; MemorySectionAddresses[TBB][0] = 0x0105; MemorySectionAddresses[TBB][1] = 0x010A; MemorySectionAddresses[RFE][0] = 0x010C; MemorySectionAddresses[RFE][1] = 0x0114; MemorySectionAddresses[RBB][0] = 0x0115; MemorySectionAddresses[RBB][1] = 0x011A; MemorySectionAddresses[SX][0] = 0x011C; MemorySectionAddresses[SX][1] = 0x0124; MemorySectionAddresses[TxTSP][0] = 0x0200; MemorySectionAddresses[TxTSP][1] = 0x020C; MemorySectionAddresses[TxNCO][0] = 0x0240; MemorySectionAddresses[TxNCO][1] = 0x0261; MemorySectionAddresses[TxGFIR1][0] = 0x0280; MemorySectionAddresses[TxGFIR1][1] = 0x02A7; MemorySectionAddresses[TxGFIR2][0] = 0x02C0; MemorySectionAddresses[TxGFIR2][1] = 0x02E7; MemorySectionAddresses[TxGFIR3a][0] = 0x0300; MemorySectionAddresses[TxGFIR3a][1] = 0x0327; MemorySectionAddresses[TxGFIR3b][0] = 0x0340; MemorySectionAddresses[TxGFIR3b][1] = 0x0367; MemorySectionAddresses[TxGFIR3c][0] = 0x0380; MemorySectionAddresses[TxGFIR3c][1] = 0x03A7; MemorySectionAddresses[RxTSP][0] = 0x0400; MemorySectionAddresses[RxTSP][1] = 0x040F; MemorySectionAddresses[RxNCO][0] = 0x0440; MemorySectionAddresses[RxNCO][1] = 0x0461; MemorySectionAddresses[RxGFIR1][0] = 0x0480; MemorySectionAddresses[RxGFIR1][1] = 0x04A7; MemorySectionAddresses[RxGFIR2][0] = 0x04C0; MemorySectionAddresses[RxGFIR2][1] = 0x04E7; MemorySectionAddresses[RxGFIR3a][0] = 0x0500; MemorySectionAddresses[RxGFIR3a][1] = 0x0527; MemorySectionAddresses[RxGFIR3b][0] = 0x0540; MemorySectionAddresses[RxGFIR3b][1] = 0x0567; MemorySectionAddresses[RxGFIR3c][0] = 0x0580; MemorySectionAddresses[RxGFIR3c][1] = 0x05A7; MemorySectionAddresses[RSSI_DC_CALIBRATION][0] = 0x05C0; MemorySectionAddresses[RSSI_DC_CALIBRATION][1] = 0x05CC; mRegistersMap->InitializeDefaultValues(LMS7parameterList); mcuControl = new MCU_BD(); mcuControl->Initialize(nullptr); } LMS7002M::~LMS7002M() { delete mcuControl; delete mRegistersMap; } void LMS7002M::SetActiveChannel(const Channel ch) { if (ch == this->GetActiveChannel(false)) return; this->Modify_SPI_Reg_bits(LMS7param(MAC), int(ch)); } LMS7002M::Channel LMS7002M::GetActiveChannel(bool fromChip) { auto ch = Get_SPI_Reg_bits(LMS7param(MAC), fromChip); return Channel(ch); } size_t LMS7002M::GetActiveChannelIndex(bool fromChip) { switch (this->GetActiveChannel(fromChip)) { case ChB: return mdevIndex*2 + 1; default: return mdevIndex*2 + 0; } } int LMS7002M::EnableChannel(const bool isTx, const bool enable) { Channel ch = this->GetActiveChannel(); //--- LML --- if (ch == ChA) { if (isTx) this->Modify_SPI_Reg_bits(LMS7param(TXEN_A), enable?1:0); else this->Modify_SPI_Reg_bits(LMS7param(RXEN_A), enable?1:0); } else { if (isTx) this->Modify_SPI_Reg_bits(LMS7param(TXEN_B), enable?1:0); else this->Modify_SPI_Reg_bits(LMS7param(RXEN_B), enable?1:0); } //--- ADC/DAC --- this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_AFE), 1); if (ch == ChA) { if (isTx) this->Modify_SPI_Reg_bits(LMS7param(PD_TX_AFE1), enable?0:1); else this->Modify_SPI_Reg_bits(LMS7param(PD_RX_AFE1), enable?0:1); } else { if (isTx) this->Modify_SPI_Reg_bits(LMS7param(PD_TX_AFE2), enable?0:1); else this->Modify_SPI_Reg_bits(LMS7param(PD_RX_AFE2), enable?0:1); } int disabledChannels = (Get_SPI_Reg_bits(LMS7_PD_AFE.address,4,1)&0xF);//check if all channels are disabled Modify_SPI_Reg_bits(LMS7param(EN_G_AFE),disabledChannels==0xF ? 0 : 1); Modify_SPI_Reg_bits(LMS7param(PD_AFE), disabledChannels==0xF ? 1 : 0); //--- digital --- if (isTx) { this->Modify_SPI_Reg_bits(LMS7param(EN_TXTSP), enable?1:0); this->Modify_SPI_Reg_bits(LMS7param(ISINC_BYP_TXTSP), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(GFIR3_BYP_TXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GFIR2_BYP_TXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GFIR1_BYP_TXTSP), 1); if (!enable) { this->Modify_SPI_Reg_bits(LMS7param(CMIX_BYP_TXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(DC_BYP_TXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GC_BYP_TXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(PH_BYP_TXTSP), 1); } } else { this->Modify_SPI_Reg_bits(LMS7param(EN_RXTSP), enable?1:0); this->Modify_SPI_Reg_bits(LMS7param(DC_BYP_RXTSP), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(DCLOOP_STOP), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(AGC_MODE_RXTSP), 2); //bypass this->Modify_SPI_Reg_bits(LMS7param(AGC_BYP_RXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GFIR3_BYP_RXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GFIR2_BYP_RXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GFIR1_BYP_RXTSP), 1); if (!enable) { this->Modify_SPI_Reg_bits(LMS7param(CMIX_BYP_RXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(GC_BYP_RXTSP), 1); this->Modify_SPI_Reg_bits(LMS7param(PH_BYP_RXTSP), 1); } } //--- baseband --- if (isTx) { this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_TBB), 1); this->Modify_SPI_Reg_bits(LMS7param(EN_G_TBB), enable?1:0); } else { this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_RBB), 1); this->Modify_SPI_Reg_bits(LMS7param(EN_G_RBB), enable?1:0); this->Modify_SPI_Reg_bits(LMS7param(PD_PGA_RBB), enable?0:1); } //--- frontend --- if (isTx) { this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_TRF), 1); this->Modify_SPI_Reg_bits(LMS7param(EN_G_TRF), enable?1:0); this->Modify_SPI_Reg_bits(LMS7param(PD_TLOBUF_TRF), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(PD_TXPAD_TRF), enable?0:1); } else { this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_RFE), 1); this->Modify_SPI_Reg_bits(LMS7param(EN_G_RFE), enable?1:0); this->Modify_SPI_Reg_bits(LMS7param(PD_MXLOBUF_RFE), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(PD_QGEN_RFE), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(PD_TIA_RFE), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(PD_LNA_RFE), enable?0:1); } //--- synthesizers --- if (isTx) { this->SetActiveChannel(ChSXT); this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_SXRSXT), 1); this->Modify_SPI_Reg_bits(LMS7param(EN_G), (disabledChannels&3) == 3?0:1); if (ch == ChB) //enable LO to channel B { this->SetActiveChannel(ChA); this->Modify_SPI_Reg_bits(LMS7param(EN_NEXTTX_TRF), enable?1:0); } } else { this->SetActiveChannel(ChSXR); this->Modify_SPI_Reg_bits(LMS7param(EN_DIR_SXRSXT), 1); this->Modify_SPI_Reg_bits(LMS7param(EN_G), (disabledChannels&0xC)==0xC?0:1); if (ch == ChB) //enable LO to channel B { this->SetActiveChannel(ChA); this->Modify_SPI_Reg_bits(LMS7param(EN_NEXTRX_RFE), enable?1:0); } } this->SetActiveChannel(ch); return 0; } /*! * Helpful macro to check the connection before doing SPI work. */ #define checkConnection() { \ if (controlPort == nullptr) return ReportError(ENOTCONN, "no connection object"); \ if (not controlPort->IsOpen()) return ReportError(ENOTCONN, "connection is not open"); \ } /** @brief Sends reset signal to chip, after reset enables B channel controls @return 0-success, other-failure */ int LMS7002M::ResetChip() { checkConnection(); int status = controlPort->DeviceReset(); if (status == 0) Modify_SPI_Reg_bits(LMS7param(MIMO_SISO), 0); //enable B channel after reset return status; } int LMS7002M::SoftReset() { auto reg_0x0020 = this->SPI_read(0x0020, true); auto reg_0x002E = this->SPI_read(0x002E, true); this->SPI_write(0x0020, 0x0); this->SPI_write(0x0020, reg_0x0020); this->SPI_write(0x002E, reg_0x002E);//must write return 0; } int LMS7002M::LoadConfigLegacyFile(const char* filename) { ifstream f(filename); if (f.good() == false) //file not found { f.close(); return ReportError(ENOENT, "LoadConfigLegacyFile(%s) - file not found", filename); } f.close(); uint16_t addr = 0; uint16_t value = 0; Channel ch = this->GetActiveChannel(); //remember used channel int status; typedef INI ini_t; ini_t parser(filename, true); if (parser.select("FILE INFO") == false) return ReportError(EINVAL, "LoadConfigLegacyFile(%s) - invalid format, missing FILE INFO section", filename); string type = ""; type = parser.get("type", "undefined"); stringstream ss; if (type.find("LMS7002 configuration") == string::npos) { ss << "File " << filename << " not recognized" << endl; return ReportError(EINVAL, "LoadConfigLegacyFile(%s) - invalid format, missing LMS7002 configuration", filename); } int fileVersion = 0; fileVersion = parser.get("version", 0); vector addrToWrite; vector dataToWrite; if (fileVersion == 1) { if (parser.select("Reference clocks")) { this->SetReferenceClk_SX(Rx, parser.get("SXR reference frequency MHz", 30.72) * 1e6); this->SetReferenceClk_SX(Tx, parser.get("SXT reference frequency MHz", 30.72) * 1e6); } if (parser.select("LMS7002 registers ch.A") == true) { ini_t::sectionsit_t section = parser.sections.find("LMS7002 registers ch.A"); uint16_t x0020_value = 0; this->SetActiveChannel(ChA); //select A channel for (ini_t::keysit_t pairs = section->second->begin(); pairs != section->second->end(); pairs++) { sscanf(pairs->first.c_str(), "%hx", &addr); sscanf(pairs->second.c_str(), "%hx", &value); if (addr == LMS7param(MAC).address) //skip register containing channel selection { x0020_value = value; continue; } addrToWrite.push_back(addr); dataToWrite.push_back(value); } status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0 && controlPort != nullptr) return status; //parse FCW or PHO if (parser.select("NCO Rx ch.A") == true) { char varname[64]; int mode = Get_SPI_Reg_bits(LMS7param(MODE_RX)); if (mode == 0) //FCW { for (int i = 0; i < 16; ++i) { sprintf(varname, "FCW%02i", i); SetNCOFrequency(LMS7002M::Rx, i, parser.get(varname, 0.0)); } } else { for (int i = 0; i < 16; ++i) { sprintf(varname, "PHO%02i", i); SetNCOPhaseOffset(LMS7002M::Rx, i, parser.get(varname, 0.0)); } } } if (parser.select("NCO Tx ch.A") == true) { char varname[64]; int mode = Get_SPI_Reg_bits(LMS7param(MODE_TX)); if (mode == 0) //FCW { for (int i = 0; i < 16; ++i) { sprintf(varname, "FCW%02i", i); SetNCOFrequency(LMS7002M::Tx, i, parser.get(varname, 0.0)); } } else { for (int i = 0; i < 16; ++i) { sprintf(varname, "PHO%02i", i); SetNCOPhaseOffset(LMS7002M::Tx, i, parser.get(varname, 0.0)); } } } status = SPI_write(0x0020, x0020_value); if (status != 0 && controlPort != nullptr) return status; } this->SetActiveChannel(ChB); if (parser.select("LMS7002 registers ch.B") == true) { addrToWrite.clear(); dataToWrite.clear(); ini_t::sectionsit_t section = parser.sections.find("LMS7002 registers ch.B"); for (ini_t::keysit_t pairs = section->second->begin(); pairs != section->second->end(); pairs++) { sscanf(pairs->first.c_str(), "%hx", &addr); sscanf(pairs->second.c_str(), "%hx", &value); addrToWrite.push_back(addr); dataToWrite.push_back(value); } this->SetActiveChannel(ChB); //select B channel status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0 && controlPort != nullptr) return status; //parse FCW or PHO if (parser.select("NCO Rx ch.B") == true) { char varname[64]; int mode = Get_SPI_Reg_bits(LMS7param(MODE_RX)); if (mode == 0) //FCW { for (int i = 0; i < 16; ++i) { sprintf(varname, "FCW%02i", i); SetNCOFrequency(LMS7002M::Rx, i, parser.get(varname, 0.0)); } } else { for (int i = 0; i < 16; ++i) { sprintf(varname, "PHO%02i", i); SetNCOPhaseOffset(LMS7002M::Rx, i, parser.get(varname, 0.0)); } } } if (parser.select("NCO Tx ch.A") == true) { char varname[64]; int mode = Get_SPI_Reg_bits(LMS7param(MODE_TX)); if (mode == 0) //FCW { for (int i = 0; i < 16; ++i) { sprintf(varname, "FCW%02i", i); SetNCOFrequency(LMS7002M::Tx, i, parser.get(varname, 0.0)); } } else { for (int i = 0; i < 16; ++i) { sprintf(varname, "PHO%02i", i); SetNCOPhaseOffset(LMS7002M::Tx, i, parser.get(varname, 0.0)); } } } } this->SetActiveChannel(ch); return 0; } return ReportError(EINVAL, "LoadConfigLegacyFile(%s) - invalid format", filename); } /** @brief Reads configuration file and uploads registers to chip @param filename Configuration source file @return 0-success, other-failure */ int LMS7002M::LoadConfig(const char* filename) { ifstream f(filename); if (f.good() == false) //file not found { f.close(); return ReportError(ENOENT, "LoadConfig(%s) - file not found", filename); } f.close(); uint16_t addr = 0; uint16_t value = 0; Channel ch = this->GetActiveChannel(); //remember used channel int status; typedef INI ini_t; ini_t parser(filename, true); if (parser.select("file_info") == false) { //try loading as legacy format status = LoadConfigLegacyFile(filename); this->SetActiveChannel(ChA); return status; } string type = ""; type = parser.get("type", "undefined"); stringstream ss; if (type.find("lms7002m_minimal_config") == string::npos) { ss << "File " << filename << " not recognized" << endl; return ReportError(EINVAL, "LoadConfig(%s) - invalid format, missing lms7002m_minimal_config", filename); } int fileVersion = 0; fileVersion = parser.get("version", 0); vector addrToWrite; vector dataToWrite; if (fileVersion == 1) { if(parser.select("lms7002_registers_a") == true) { ini_t::sectionsit_t section = parser.sections.find("lms7002_registers_a"); uint16_t x0020_value = 0; this->SetActiveChannel(ChA); //select A channel for (ini_t::keysit_t pairs = section->second->begin(); pairs != section->second->end(); pairs++) { sscanf(pairs->first.c_str(), "%hx", &addr); sscanf(pairs->second.c_str(), "%hx", &value); if (addr == LMS7param(MAC).address) //skip register containing channel selection { x0020_value = value; continue; } addrToWrite.push_back(addr); dataToWrite.push_back(value); } status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0 && controlPort != nullptr) return status; status = SPI_write(0x0020, x0020_value); if (status != 0 && controlPort != nullptr) return status; this->SetActiveChannel(ChB); if (status != 0 && controlPort != nullptr) return status; } if (parser.select("lms7002_registers_b") == true) { addrToWrite.clear(); dataToWrite.clear(); ini_t::sectionsit_t section = parser.sections.find("lms7002_registers_b"); for (ini_t::keysit_t pairs = section->second->begin(); pairs != section->second->end(); pairs++) { sscanf(pairs->first.c_str(), "%hx", &addr); sscanf(pairs->second.c_str(), "%hx", &value); addrToWrite.push_back(addr); dataToWrite.push_back(value); } this->SetActiveChannel(ChB); //select B channel status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0 && controlPort != nullptr) return status; } this->SetActiveChannel(ch); parser.select("reference_clocks"); this->SetReferenceClk_SX(Rx, parser.get("sxr_ref_clk_mhz", 30.72) * 1e6); this->SetReferenceClk_SX(Tx, parser.get("sxt_ref_clk_mhz", 30.72) * 1e6); } this->SetActiveChannel(ChA); checkConnection(); return 0; } /** @brief Reads all registers from chip and saves to file @param filename destination filename @return 0-success, other failure */ int LMS7002M::SaveConfig(const char* filename) { ofstream fout; fout.open(filename); fout << "[file_info]" << endl; fout << "type=lms7002m_minimal_config" << endl; fout << "version=1" << endl; char addr[80]; char value[80]; Channel ch = this->GetActiveChannel(); vector addrToRead; for (uint8_t i = 0; i < MEMORY_SECTIONS_COUNT; ++i) for (uint16_t addr = MemorySectionAddresses[i][0]; addr <= MemorySectionAddresses[i][1]; ++addr) addrToRead.push_back(addr); vector dataReceived; dataReceived.resize(addrToRead.size(), 0); fout << "[lms7002_registers_a]" << endl; this->SetActiveChannel(ChA); for (uint16_t i = 0; i < addrToRead.size(); ++i) { dataReceived[i] = Get_SPI_Reg_bits(addrToRead[i], 15, 0, false); sprintf(addr, "0x%04X", addrToRead[i]); sprintf(value, "0x%04X", dataReceived[i]); fout << addr << "=" << value << endl; } fout << "[lms7002_registers_b]" << endl; addrToRead.clear(); //add only B channel addresses for (uint8_t i = 0; i < MEMORY_SECTIONS_COUNT; ++i) if (i != RSSI_DC_CALIBRATION) for (uint16_t addr = MemorySectionAddresses[i][0]; addr <= MemorySectionAddresses[i][1]; ++addr) if (addr >= 0x0100) addrToRead.push_back(addr); this->SetActiveChannel(ChB); for (uint16_t i = 0; i < addrToRead.size(); ++i) { dataReceived[i] = Get_SPI_Reg_bits(addrToRead[i], 15, 0, false); sprintf(addr, "0x%04X", addrToRead[i]); sprintf(value, "0x%04X", dataReceived[i]); fout << addr << "=" << value << endl; } this->SetActiveChannel(ch); //retore previously used channel fout << "[reference_clocks]" << endl; fout << "sxt_ref_clk_mhz=" << this->GetReferenceClk_SX(Tx) / 1e6 << endl; fout << "sxr_ref_clk_mhz=" << this->GetReferenceClk_SX(Rx) / 1e6 << endl; fout.close(); return 0; } int LMS7002M::SetRBBPGA_dB(const float_type value) { int g_pga_rbb = (int)(value + 12.5); if (g_pga_rbb > 0x1f) g_pga_rbb = 0x1f; if (g_pga_rbb < 0) g_pga_rbb = 0; int ret = this->Modify_SPI_Reg_bits(LMS7param(G_PGA_RBB), g_pga_rbb); int rcc_ctl_pga_rbb = (430.0*pow(0.65, (g_pga_rbb/10.0))-110.35)/20.4516 + 16; int c_ctl_pga_rbb = 0; if (0 <= g_pga_rbb && g_pga_rbb < 8) c_ctl_pga_rbb = 3; if (8 <= g_pga_rbb && g_pga_rbb < 13) c_ctl_pga_rbb = 2; if (13 <= g_pga_rbb && g_pga_rbb < 21) c_ctl_pga_rbb = 1; if (21 <= g_pga_rbb) c_ctl_pga_rbb = 0; ret |= this->Modify_SPI_Reg_bits(LMS7param(RCC_CTL_PGA_RBB), rcc_ctl_pga_rbb); ret |= this->Modify_SPI_Reg_bits(LMS7param(C_CTL_PGA_RBB), c_ctl_pga_rbb); return ret; } float_type LMS7002M::GetRBBPGA_dB(void) { auto g_pga_rbb = this->Get_SPI_Reg_bits(LMS7param(G_PGA_RBB)); return g_pga_rbb - 12; } int LMS7002M::SetRFELNA_dB(const float_type value) { const double gmax = 30; double val = value - gmax; int g_lna_rfe = 0; if (val >= 0) g_lna_rfe = 15; else if (val >= -1) g_lna_rfe = 14; else if (val >= -2) g_lna_rfe = 13; else if (val >= -3) g_lna_rfe = 12; else if (val >= -4) g_lna_rfe = 11; else if (val >= -5) g_lna_rfe = 10; else if (val >= -6) g_lna_rfe = 9; else if (val >= -9) g_lna_rfe = 8; else if (val >= -12) g_lna_rfe = 7; else if (val >= -15) g_lna_rfe = 6; else if (val >= -18) g_lna_rfe = 5; else if (val >= -21) g_lna_rfe = 4; else if (val >= -24) g_lna_rfe = 3; else if (val >= -27) g_lna_rfe = 2; else g_lna_rfe = 1; return this->Modify_SPI_Reg_bits(LMS7param(G_LNA_RFE), g_lna_rfe); } float_type LMS7002M::GetRFELNA_dB(void) { const double gmax = 30; auto g_lna_rfe = this->Get_SPI_Reg_bits(LMS7param(G_LNA_RFE)); switch (g_lna_rfe) { case 15: return gmax-0; case 14: return gmax-1; case 13: return gmax-2; case 12: return gmax-3; case 11: return gmax-4; case 10: return gmax-5; case 9: return gmax-6; case 8: return gmax-9; case 7: return gmax-12; case 6: return gmax-15; case 5: return gmax-18; case 4: return gmax-21; case 3: return gmax-24; case 2: return gmax-27; case 1: return gmax-30; } return 0.0; } int LMS7002M::SetRFELoopbackLNA_dB(const float_type gain) { const double gmax = 40; double val = gain - gmax; int g_rxloopb_rfe = 0; if (val >= 0) g_rxloopb_rfe = 15; else if (val >= -0.5) g_rxloopb_rfe = 14; else if (val >= -1) g_rxloopb_rfe = 13; else if (val >= -1.6) g_rxloopb_rfe = 12; else if (val >= -2.4) g_rxloopb_rfe = 11; else if (val >= -3) g_rxloopb_rfe = 10; else if (val >= -4) g_rxloopb_rfe = 9; else if (val >= -5) g_rxloopb_rfe = 8; else if (val >= -6.2) g_rxloopb_rfe = 7; else if (val >= -7.5) g_rxloopb_rfe = 6; else if (val >= -9) g_rxloopb_rfe = 5; else if (val >= -11) g_rxloopb_rfe = 4; else if (val >= -14) g_rxloopb_rfe = 3; else if (val >= -17) g_rxloopb_rfe = 2; else if (val >= -24) g_rxloopb_rfe = 1; else g_rxloopb_rfe = 0; return this->Modify_SPI_Reg_bits(LMS7param(G_RXLOOPB_RFE), g_rxloopb_rfe); } float_type LMS7002M::GetRFELoopbackLNA_dB(void) { const double gmax = 40; auto g_rxloopb_rfe = this->Get_SPI_Reg_bits(LMS7param(G_RXLOOPB_RFE)); switch (g_rxloopb_rfe) { case 15: return gmax-0; case 14: return gmax-0.5; case 13: return gmax-1; case 12: return gmax-1.6; case 11: return gmax-2.4; case 10: return gmax-3; case 9: return gmax-4; case 8: return gmax-5; case 7: return gmax-6.2; case 6: return gmax-7.5; case 5: return gmax-9; case 4: return gmax-11; case 3: return gmax-14; case 2: return gmax-17; case 1: return gmax-24; } return 0.0; } int LMS7002M::SetRFETIA_dB(const float_type value) { const double gmax = 12; double val = value - gmax; int g_tia_rfe = 0; if (val >= 0) g_tia_rfe = 3; else if (val >= -3) g_tia_rfe = 2; else g_tia_rfe = 1; return this->Modify_SPI_Reg_bits(LMS7param(G_TIA_RFE), g_tia_rfe); } float_type LMS7002M::GetRFETIA_dB(void) { const double gmax = 12; auto g_tia_rfe = this->Get_SPI_Reg_bits(LMS7param(G_TIA_RFE)); switch (g_tia_rfe) { case 3: return gmax-0; case 2: return gmax-3; case 1: return gmax-12; } return 0.0; } int LMS7002M::SetTRFPAD_dB(const float_type value) { const double pmax = 0; double loss = pmax-value; //different scaling realm if (loss > 10) loss = (loss+10)/2; //clip if (loss > 31) loss = 31; if (loss < 0) loss = 0; //integer round int loss_int = (int)(loss + 0.5); int ret = 0; ret |= this->Modify_SPI_Reg_bits(LMS7param(LOSS_LIN_TXPAD_TRF), loss_int); ret |= this->Modify_SPI_Reg_bits(LMS7param(LOSS_MAIN_TXPAD_TRF), loss_int); return ret; } float_type LMS7002M::GetTRFPAD_dB(void) { const double pmax = 0; auto loss_int = this->Get_SPI_Reg_bits(LMS7param(LOSS_LIN_TXPAD_TRF)); if (loss_int > 10) return pmax-10-2*(loss_int-10); return pmax-loss_int; } int LMS7002M::SetTRFLoopbackPAD_dB(const float_type gain) { //there are 4 discrete gain values, use the midpoints int val = 0; if (gain >= (-1.4-0)/2) val = 0; else if (gain >= (-1.4-3.3)/2) val = 1; else if (gain >= (-3.3-4.3)/2) val = 2; else val = 3; return this->Modify_SPI_Reg_bits(LMS7param(L_LOOPB_TXPAD_TRF), val); } float_type LMS7002M::GetTRFLoopbackPAD_dB(void) { switch (this->Get_SPI_Reg_bits(LMS7param(L_LOOPB_TXPAD_TRF))) { case 0: return 0.0; case 1: return -1.4; case 2: return -3.3; case 3: return -4.3; } return 0.0; } int LMS7002M::SetPathRFE(PathRFE path) { int sel_path_rfe = 0; switch (path) { case PATH_RFE_NONE: sel_path_rfe = 0; break; case PATH_RFE_LNAH: sel_path_rfe = 1; break; case PATH_RFE_LNAL: sel_path_rfe = 2; break; case PATH_RFE_LNAW: sel_path_rfe = 3; break; case PATH_RFE_LB1: sel_path_rfe = 3; break; case PATH_RFE_LB2: sel_path_rfe = 2; break; } int pd_lna_rfe = 1; switch (path) { case PATH_RFE_LNAH: case PATH_RFE_LNAL: case PATH_RFE_LNAW: pd_lna_rfe = 0; break; default: break; } int pd_rloopb_1_rfe = (path == PATH_RFE_LB1)?0:1; int pd_rloopb_2_rfe = (path == PATH_RFE_LB2)?0:1; int en_inshsw_l_rfe = (path == PATH_RFE_LNAL)?0:1; int en_inshsw_w_rfe = (path == PATH_RFE_LNAW)?0:1; int en_inshsw_lb1_rfe = (path == PATH_RFE_LB1)?0:1; int en_inshsw_lb2_rfe = (path == PATH_RFE_LB2)?0:1; this->Modify_SPI_Reg_bits(LMS7param(PD_LNA_RFE), pd_lna_rfe); this->Modify_SPI_Reg_bits(LMS7param(PD_RLOOPB_1_RFE), pd_rloopb_1_rfe); this->Modify_SPI_Reg_bits(LMS7param(PD_RLOOPB_2_RFE), pd_rloopb_2_rfe); this->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_LB1_RFE), en_inshsw_lb1_rfe); this->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_LB2_RFE), en_inshsw_lb2_rfe); this->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_L_RFE), en_inshsw_l_rfe); this->Modify_SPI_Reg_bits(LMS7param(EN_INSHSW_W_RFE), en_inshsw_w_rfe); this->Modify_SPI_Reg_bits(LMS7param(SEL_PATH_RFE), sel_path_rfe); //enable/disable the loopback path const bool loopback = (path == PATH_RFE_LB1) or (path == PATH_RFE_LB2); this->Modify_SPI_Reg_bits(LMS7param(EN_LOOPB_TXPAD_TRF), loopback?1:0); //update external band-selection to match this->UpdateExternalBandSelect(); return 0; } LMS7002M::PathRFE LMS7002M::GetPathRFE(void) { if (this->Get_SPI_Reg_bits(LMS7param(EN_INSHSW_LB1_RFE)) == 0) return PATH_RFE_LB1; if (this->Get_SPI_Reg_bits(LMS7param(EN_INSHSW_LB2_RFE)) == 0) return PATH_RFE_LB2; if (this->Get_SPI_Reg_bits(LMS7param(EN_INSHSW_L_RFE)) == 0) return PATH_RFE_LNAL; if (this->Get_SPI_Reg_bits(LMS7param(EN_INSHSW_W_RFE)) == 0) return PATH_RFE_LNAW; if (this->Get_SPI_Reg_bits(LMS7param(PD_LNA_RFE)) == 0) return PATH_RFE_NONE; return PATH_RFE_LNAH; } int LMS7002M::SetBandTRF(const int band) { this->Modify_SPI_Reg_bits(LMS7param(SEL_BAND1_TRF), (band==1)?1:0); this->Modify_SPI_Reg_bits(LMS7param(SEL_BAND2_TRF), (band==2)?1:0); //update external band-selection to match this->UpdateExternalBandSelect(); return 0; } int LMS7002M::GetBandTRF(void) { if (this->Get_SPI_Reg_bits(LMS7param(SEL_BAND1_TRF)) == 1) return 1; if (this->Get_SPI_Reg_bits(LMS7param(SEL_BAND2_TRF)) == 1) return 2; return 0; } void LMS7002M::UpdateExternalBandSelect(void) { if(controlPort) return controlPort->UpdateExternalBandSelect( this->GetActiveChannelIndex(), this->GetBandTRF(), int(this->GetPathRFE())); } int LMS7002M::SetReferenceClk_SX(bool tx, float_type freq_Hz) { if(controlPort == nullptr) return ReportError(ENODEV, "Device not connected"); if (tx) return controlPort->SetTxReferenceClockRate(freq_Hz); else return controlPort->SetReferenceClockRate(freq_Hz); } /** @brief Returns reference clock in Hz used for SXT or SXR @param Tx transmitter or receiver selection */ float_type LMS7002M::GetReferenceClk_SX(bool tx) { if(controlPort == nullptr) return 30.72e6; //return default reference clock return (tx ? controlPort->GetTxReferenceClockRate() : controlPort->GetReferenceClockRate()); } /** @return Current CLKGEN frequency in Hz Returned frequency depends on reference clock used for Receiver */ float_type LMS7002M::GetFrequencyCGEN() { float_type dMul = (GetReferenceClk_SX(Rx)/2.0)/(Get_SPI_Reg_bits(LMS7param(DIV_OUTCH_CGEN), true)+1); //DIV_OUTCH_CGEN uint16_t gINT = Get_SPI_Reg_bits(0x0088, 13, 0, true); //read whole register to reduce SPI transfers uint32_t gFRAC = ((gINT & 0xF) * 65536) | Get_SPI_Reg_bits(0x0087, 15, 0, true); return dMul * (((gINT>>4) + 1 + gFRAC/1048576.0)); } /** @brief Returns TSP reference frequency @param tx TxTSP or RxTSP selection @return TSP reference frequency in Hz */ float_type LMS7002M::GetReferenceClk_TSP(bool tx) { float_type cgenFreq = GetFrequencyCGEN(); float_type clklfreq = cgenFreq/pow(2.0, Get_SPI_Reg_bits(LMS7param(CLKH_OV_CLKL_CGEN))); if(Get_SPI_Reg_bits(LMS7param(EN_ADCCLKH_CLKGN)) == 0) return tx ? clklfreq : cgenFreq/4.0; else return tx ? cgenFreq : clklfreq/4.0; } /** @brief Sets CLKGEN frequency, calculations use receiver'r reference clock @param freq_Hz desired frequency in Hz @param retainNCOfrequencies recalculate NCO coefficients to keep currently set frequencies @param output if not null outputs calculated CGEN parameters @return 0-succes, other-cannot deliver desired frequency */ int LMS7002M::SetFrequencyCGEN(const float_type freq_Hz, const bool retainNCOfrequencies, CGEN_details* output) { stringstream ss; LMS7002M_SelfCalState state(this); float_type dFvco; float_type dFrac; int16_t iHdiv; //remember NCO frequencies Channel chBck = this->GetActiveChannel(); vector > rxNCO(2); vector > txNCO(2); bool rxModeNCO = false; bool txModeNCO = false; if(retainNCOfrequencies) { rxModeNCO = Get_SPI_Reg_bits(LMS7param(MODE_RX), true); txModeNCO = Get_SPI_Reg_bits(LMS7param(MODE_TX), true); for (int ch = 0; ch < 2; ++ch) { this->SetActiveChannel((ch == 0)?ChA:ChB); for (int i = 0; i < 16 && rxModeNCO == 0; ++i) rxNCO[ch].push_back(GetNCOFrequency(LMS7002M::Rx, i, false)); for (int i = 0; i < 16 && txModeNCO == 0; ++i) txNCO[ch].push_back(GetNCOFrequency(LMS7002M::Tx, i, false)); } } //VCO frequency selection according to F_CLKH vector vcoFreqs; for (iHdiv = 0; iHdiv < 256; ++iHdiv) { dFvco = 2 * (iHdiv + 1) * freq_Hz; if (dFvco >= gCGEN_VCO_frequencies[0] && dFvco <= gCGEN_VCO_frequencies[1]) vcoFreqs.push_back(dFvco); } if (vcoFreqs.size() == 0) return ReportError(ERANGE, "SetFrequencyCGEN(%g MHz) - cannot deliver requested frequency", freq_Hz / 1e6); dFvco = vcoFreqs[vcoFreqs.size() / 2]; iHdiv = dFvco / freq_Hz / 2 - 1; //Integer division uint16_t gINT = (uint16_t)(dFvco/GetReferenceClk_SX(Rx) - 1); //Fractional division dFrac = dFvco/GetReferenceClk_SX(Rx) - (uint32_t)(dFvco/GetReferenceClk_SX(Rx)); uint32_t gFRAC = (uint32_t)(dFrac * 1048576); Modify_SPI_Reg_bits(LMS7param(INT_SDM_CGEN), gINT); //INT_SDM_CGEN Modify_SPI_Reg_bits(0x0087, 15, 0, gFRAC&0xFFFF); //INT_SDM_CGEN[15:0] Modify_SPI_Reg_bits(0x0088, 3, 0, gFRAC>>16); //INT_SDM_CGEN[19:16] Modify_SPI_Reg_bits(LMS7param(DIV_OUTCH_CGEN), iHdiv); //DIV_OUTCH_CGEN ss << "INT: " << gINT << "\tFRAC: " << gFRAC << "\tDIV_OUTCH_CGEN: " << (uint16_t)iHdiv << endl; ss << "VCO: " << dFvco/1e6 << " MHz"; ss << "\tRefClk: " << GetReferenceClk_SX(Rx)/1e6 << " MHz" << endl; if (output) { output->frequency = freq_Hz; output->frequencyVCO = dFvco; output->referenceClock = GetReferenceClk_SX(LMS7002M::Rx); output->INT = gINT; output->FRAC = gFRAC; output->div_outch_cgen = iHdiv; output->success = true; } //recalculate NCO for (int ch = 0; ch < 2 && retainNCOfrequencies; ++ch) { this->SetActiveChannel((ch == 0)?ChA:ChB); for (int i = 0; i < 16 && rxModeNCO == 0; ++i) SetNCOFrequency(LMS7002M::Rx, i, rxNCO[ch][i]); for (int i = 0; i < 16 && txModeNCO == 0; ++i) SetNCOFrequency(LMS7002M::Tx, i, txNCO[ch][i]); } this->SetActiveChannel(chBck); #ifndef NDEBUG printf("CGEN: Freq=%g MHz, VCO=%g GHz, INT=%i, FRAC=%i, DIV_OUTCH_CGEN=%i\n", freq_Hz/1e6, dFvco/1e9, gINT, gFRAC, iHdiv); #endif // NDEBUG //adjust VCO bias current to lock on 491.52 MHz if(abs(freq_Hz - 491.52e6) < 2e6) { if(Modify_SPI_Reg_bits(LMS7param(ICT_VCO_CGEN), 31) == 0) { #ifndef NDEBUG printf("CGEN ICT_VCO_CGEN changed to %i\n", 31); #endif // NDEBUG } } if(TuneVCO(VCO_CGEN) != 0) { if (output) { output->success = false; output->csw = Get_SPI_Reg_bits(LMS7param(CSW_VCO_CGEN)); } ss << GetLastErrorMessage(); return ReportError(-1, "SetFrequencyCGEN(%g MHz) failed:\n%s", freq_Hz/1e6, ss.str().c_str()); } if (output) output->csw = Get_SPI_Reg_bits(LMS7param(CSW_VCO_CGEN)); return 0; } bool LMS7002M::GetCGENLocked(void) { return (Get_SPI_Reg_bits(LMS7param(VCO_CMPHO_CGEN).address, 13, 12, true) & 0x3) == 2; } bool LMS7002M::GetSXLocked(bool tx) { SetActiveChannel(tx?ChSXT:ChSXR); return (Get_SPI_Reg_bits(LMS7param(VCO_CMPHO).address, 13, 12, true) & 0x3) == 2; } /** @brief Performs VCO tuning operations for CLKGEN, SXR, SXT modules @param module module selection for tuning 0-cgen, 1-SXR, 2-SXT @return 0-success, other-failure */ int LMS7002M::TuneVCO(VCO_Module module) // 0-cgen, 1-SXR, 2-SXT { auto settlingTime = chrono::microseconds(50); //can be lower struct CSWInteval { int16_t high; int16_t low; }; CSWInteval cswSearch[2]; stringstream ss; //tune progress report const char* moduleName = (module == VCO_CGEN) ? "CGEN" : ((module == VCO_SXR) ? "SXR" : "SXT"); checkConnection(); uint8_t cmphl; //comparators uint16_t addrVCOpd; // VCO power down address uint16_t addrCSW_VCO; uint16_t addrCMP; //comparator address uint8_t lsb; //SWC lsb index uint8_t msb; //SWC msb index Channel ch = this->GetActiveChannel(); //remember used channel if(module != VCO_CGEN) //set addresses to SX module { this->SetActiveChannel(Channel(module)); addrVCOpd = LMS7param(PD_VCO).address; addrCSW_VCO = LMS7param(CSW_VCO).address; lsb = LMS7param(CSW_VCO).lsb; msb = LMS7param(CSW_VCO).msb; addrCMP = LMS7param(VCO_CMPHO).address; ss << "ICT_VCO: " << Get_SPI_Reg_bits(LMS7param(ICT_VCO)) << endl; } else //set addresses to CGEN module { addrVCOpd = LMS7param(PD_VCO_CGEN).address; addrCSW_VCO = LMS7param(CSW_VCO_CGEN).address; lsb = LMS7param(CSW_VCO_CGEN).lsb; msb = LMS7param(CSW_VCO_CGEN).msb; addrCMP = LMS7param(VCO_CMPHO_CGEN).address; ss << "ICT_VCO_CGEN: " << Get_SPI_Reg_bits(LMS7param(ICT_VCO_CGEN)) << endl; } // Initialization activate VCO and comparator if(int status = Modify_SPI_Reg_bits (addrVCOpd, 2, 1, 0) != 0) return status; if (Get_SPI_Reg_bits(addrVCOpd, 2, 1) != 0) return ReportError(-1, "TuneVCO(%s) - VCO is powered down", moduleName); //check if lock is within VCO range { Modify_SPI_Reg_bits (addrCSW_VCO , msb, lsb , 0); this_thread::sleep_for(settlingTime); cmphl = (uint8_t)Get_SPI_Reg_bits(addrCMP, 13, 12, true); if(cmphl == 3) //VCO too high { this->SetActiveChannel(ch); //restore previously used channel return ReportError(-1, "TuneVCO(%s) - VCO too high", moduleName); } Modify_SPI_Reg_bits (addrCSW_VCO , msb, lsb , 255); this_thread::sleep_for(settlingTime); cmphl = (uint8_t)Get_SPI_Reg_bits(addrCMP, 13, 12, true); if(cmphl == 0) //VCO too low { this->SetActiveChannel(ch); //restore previously used channel return ReportError(-1, "TuneVCO(%s) - VCO too low", moduleName); } } //search intervals [0-127][128-255] for(int t=0; t<2; ++t) { cswSearch[t].low = 128*(t+1); cswSearch[t].high = 128*t; //search interval lowest value Modify_SPI_Reg_bits (addrCSW_VCO , msb, lsb , cswSearch[t].high); for(int i=6; i>=0; --i) { cswSearch[t].high |= 1 << i; //CSW_VCO=1 Modify_SPI_Reg_bits (addrCSW_VCO, msb, lsb, cswSearch[t].high); this_thread::sleep_for(settlingTime); cmphl = (uint8_t)Get_SPI_Reg_bits(addrCMP, 13, 12, true); ss << "csw=" << cswSearch[t].high << "\t" << "cmphl=" << (int16_t)cmphl << endl; if(cmphl & 0x01) // reduce CSW cswSearch[t].high &= ~(1 << i); //CSW_VCO=0 if(cmphl == 2 && cswSearch[t].high < cswSearch[t].low) cswSearch[t].low = cswSearch[t].high; } while(cswSearch[t].low <= cswSearch[t].high && cswSearch[t].low > t*128) { --cswSearch[t].low; Modify_SPI_Reg_bits(addrCSW_VCO, msb, lsb, cswSearch[t].low); this_thread::sleep_for(settlingTime); if(Get_SPI_Reg_bits(addrCMP, 13, 12, true) != 2) { ++cswSearch[t].low; break; } } if(cmphl == 2) { ss << "CSW_lowest =" << cswSearch[t].low << endl; ss << "CSW_highest =" << cswSearch[t].high << endl; ss << "CSW_selected=" << cswSearch[t].low+(cswSearch[t].high-cswSearch[t].low)/2 << endl; } else ss << "Failed to lock" << endl; } //check if the intervals are joined int16_t cswHigh, cswLow; if(cswSearch[0].high == cswSearch[1].low-1) { cswHigh = cswSearch[1].high; cswLow = cswSearch[0].low; } //compare which interval is wider else { uint8_t intervalIndex = (cswSearch[1].high-cswSearch[1].low > cswSearch[0].high-cswSearch[0].low); cswHigh = cswSearch[intervalIndex].high; cswLow = cswSearch[intervalIndex].low; } if(cswHigh-cswLow == 1) { //check which of two values really locks Modify_SPI_Reg_bits(addrCSW_VCO, msb, lsb, cswLow); this_thread::sleep_for(settlingTime); cmphl = (uint8_t)Get_SPI_Reg_bits(addrCMP, 13, 12, true); if(cmphl != 2) Modify_SPI_Reg_bits(addrCSW_VCO, msb, lsb, cswHigh); } else Modify_SPI_Reg_bits(addrCSW_VCO, msb, lsb, cswLow+(cswHigh-cswLow)/2); this_thread::sleep_for(settlingTime); cmphl = (uint8_t)Get_SPI_Reg_bits(addrCMP, 13, 12, true); ss << " cmphl=" << (uint16_t)cmphl; this->SetActiveChannel(ch); //restore previously used channel if(cmphl == 2) return 0; return ReportError(EINVAL, "TuneVCO(%s) - failed to lock (cmphl != 2)\n%s", moduleName, ss.str().c_str()); } /** @brief Returns given parameter value from chip register @param param LMS7002M control parameter @param fromChip read directly from chip @return parameter value */ uint16_t LMS7002M::Get_SPI_Reg_bits(const LMS7Parameter ¶m, bool fromChip) { return Get_SPI_Reg_bits(param.address, param.msb, param.lsb, fromChip); } /** @brief Returns given parameter value from chip register @param address register address @param msb most significant bit index @param lsb least significant bit index @param fromChip read directly from chip @return register bits from selected interval, shifted to right by lsb bits */ uint16_t LMS7002M::Get_SPI_Reg_bits(uint16_t address, uint8_t msb, uint8_t lsb, bool fromChip) { return (SPI_read(address, fromChip) & (~(~0<<(msb+1)))) >> lsb; //shift bits to LSB } /** @brief Change given parameter value @param param LMS7002M control parameter @param fromChip read initial value directly from chip @param value new parameter value */ int LMS7002M::Modify_SPI_Reg_bits(const LMS7Parameter ¶m, const uint16_t value, bool fromChip) { return Modify_SPI_Reg_bits(param.address, param.msb, param.lsb, value, fromChip); } /** @brief Change given parameter value @param address register address @param value new bits value, the value is shifted left by lsb bits @param fromChip read initial value directly from chip */ int LMS7002M::Modify_SPI_Reg_bits(const uint16_t address, const uint8_t msb, const uint8_t lsb, const uint16_t value, bool fromChip) { uint16_t spiDataReg = SPI_read(address, fromChip); //read current SPI reg data uint16_t spiMask = (~(~0 << (msb - lsb + 1))) << (lsb); // creates bit mask spiDataReg = (spiDataReg & (~spiMask)) | ((value << lsb) & spiMask);//clear bits return SPI_write(address, spiDataReg); //write modified data back to SPI reg } /** @brief Modifies given registers with values applied using masks @param addr array of register addresses @param masks array of applied masks @param values array of values to be written @param start starting index of given arrays @param stop end index of given arrays */ int LMS7002M::Modify_SPI_Reg_mask(const uint16_t *addr, const uint16_t *masks, const uint16_t *values, uint8_t start, uint8_t stop) { int status; uint16_t reg_data; vector addresses; vector data; while (start <= stop) { reg_data = SPI_read(addr[start], true, &status); //read current SPI reg data reg_data &= ~masks[start];//clear bits reg_data |= (values[start] & masks[start]); addresses.push_back(addr[start]); data.push_back(reg_data); ++start; } if (status != 0) return status; SPI_write_batch(&addresses[0], &data[0], addresses.size()); return status; } /** @brief Sets SX frequency @param Tx Rx/Tx module selection @param freq_Hz desired frequency in Hz @param output if not null outputs intermediate calculation values @return 0-success, other-cannot deliver requested frequency */ int LMS7002M::SetFrequencySX(bool tx, float_type freq_Hz, SX_details* output) { stringstream ss; //VCO tuning report const char* vcoNames[] = {"VCOL", "VCOM", "VCOH"}; checkConnection(); const uint8_t sxVCO_N = 2; //number of entries in VCO frequencies const float_type m_dThrF = 5500e6; //threshold to enable additional divider float_type VCOfreq; int8_t div_loch; int8_t sel_vco; bool canDeliverFrequency = false; uint16_t integerPart; uint32_t fractionalPart; int16_t csw_value; uint32_t boardId = controlPort->GetDeviceInfo().boardSerialNumber; //find required VCO frequency for (div_loch = 6; div_loch >= 0; --div_loch) { VCOfreq = (1 << (div_loch + 1)) * freq_Hz; if ((VCOfreq >= gVCO_frequency_table[0][0]) && (VCOfreq <= gVCO_frequency_table[2][sxVCO_N - 1])) { canDeliverFrequency = true; break; } } if (canDeliverFrequency == false) return ReportError(ERANGE, "SetFrequencySX%s(%g MHz) - required VCO frequency is out of range [%g-%g] MHz", tx?"T":"R", freq_Hz / 1e6, gVCO_frequency_table[0][0]/1e6, gVCO_frequency_table[2][sxVCO_N - 1]/1e6); const float_type refClk_Hz = GetReferenceClk_SX(tx); integerPart = (uint16_t)(VCOfreq / (refClk_Hz * (1 + (VCOfreq > m_dThrF))) - 4); fractionalPart = (uint32_t)((VCOfreq / (refClk_Hz * (1 + (VCOfreq > m_dThrF))) - (uint32_t)(VCOfreq / (refClk_Hz * (1 + (VCOfreq > m_dThrF))))) * 1048576); Channel ch = this->GetActiveChannel(); this->SetActiveChannel(tx?ChSXT:ChSXR); Modify_SPI_Reg_bits(LMS7param(EN_INTONLY_SDM), 0); Modify_SPI_Reg_bits(LMS7param(INT_SDM), integerPart); //INT_SDM Modify_SPI_Reg_bits(0x011D, 15, 0, fractionalPart & 0xFFFF); //FRAC_SDM[15:0] Modify_SPI_Reg_bits(0x011E, 3, 0, (fractionalPart >> 16)); //FRAC_SDM[19:16] Modify_SPI_Reg_bits(LMS7param(DIV_LOCH), div_loch); //DIV_LOCH Modify_SPI_Reg_bits(LMS7param(EN_DIV2_DIVPROG), (VCOfreq > m_dThrF)); //EN_DIV2_DIVPROG ss << "INT: " << integerPart << "\tFRAC: " << fractionalPart << endl; ss << "DIV_LOCH: " << (int16_t)div_loch << "\t EN_DIV2_DIVPROG: " << (VCOfreq > m_dThrF) << endl; ss << "VCO: " << VCOfreq/1e6 << "MHz\tRefClk: " << refClk_Hz/1e6 << " MHz" << endl; if (output) { output->frequency = freq_Hz; output->frequencyVCO = VCOfreq; output->referenceClock = GetReferenceClk_SX(tx); output->INT = integerPart; output->FRAC = fractionalPart; output->en_div2_divprog = (VCOfreq > m_dThrF); output->div_loch = div_loch; } //find which VCO supports required frequency Modify_SPI_Reg_bits(LMS7param(PD_VCO), 0); // Modify_SPI_Reg_bits(LMS7param(PD_VCO_COMP), 0); // bool foundInCache = false; int vco_query; int csw_query; if(useCache) { foundInCache = (mValueCache->GetVCO_CSW(boardId, freq_Hz, mdevIndex, tx, &vco_query, &csw_query) == 0); } if(foundInCache) { printf("SetFrequency using cache values vco:%i, csw:%i\n", vco_query, csw_query); sel_vco = vco_query; csw_value = csw_query; } else { canDeliverFrequency = false; int tuneScore[] = { -128, -128, -128 }; //best is closest to 0 for (sel_vco = 0; sel_vco < 3; ++sel_vco) { Modify_SPI_Reg_bits(LMS7param(SEL_VCO), sel_vco); int status = TuneVCO(tx ? VCO_SXT : VCO_SXR); if(status == 0) { tuneScore[sel_vco] = -128 + Get_SPI_Reg_bits(LMS7param(CSW_VCO), true); canDeliverFrequency = true; } ss << vcoNames[sel_vco] << " : csw=" << tuneScore[sel_vco]+128 << " "; ss << (status == 0 ? "tune ok" : "tune fail") << endl; } if (abs(tuneScore[0]) < abs(tuneScore[1])) { if (abs(tuneScore[0]) < abs(tuneScore[2])) sel_vco = 0; else sel_vco = 2; } else { if (abs(tuneScore[1]) < abs(tuneScore[2])) sel_vco = 1; else sel_vco = 2; } csw_value = tuneScore[sel_vco] + 128; ss << "\tSelected : " << vcoNames[sel_vco] << endl; } if(useCache && !foundInCache) { mValueCache->InsertVCO_CSW(boardId, freq_Hz, mdevIndex, tx, sel_vco, csw_value); } if (output) { if (canDeliverFrequency) output->success = true; output->sel_vco = sel_vco; output->csw = csw_value; } Modify_SPI_Reg_bits(LMS7param(SEL_VCO), sel_vco); Modify_SPI_Reg_bits(LMS7param(CSW_VCO), csw_value); this->SetActiveChannel(ch); //restore used channel if (canDeliverFrequency == false) return ReportError(EINVAL, "SetFrequencySX%s(%g MHz) - cannot deliver frequency\n%s", tx?"T":"R", freq_Hz / 1e6, ss.str().c_str()); return 0; } /** @brief Sets SX frequency with Reference clock spur cancelation @param Tx Rx/Tx module selection @param freq_Hz desired frequency in Hz @return 0-success, other-cannot deliver requested frequency */ int LMS7002M::SetFrequencySXWithSpurCancelation(bool tx, float_type freq_Hz, float_type BW) { const float BWOffset = 2e6; BW += BWOffset; //offset to avoid ref clock on BW edge bool needCancelation = false; float_type refClk = GetReferenceClk_SX(false); int low = (freq_Hz-BW/2)/refClk; int high = (freq_Hz+BW/2)/refClk; if(low != high) needCancelation = true; int status; float newFreq; if(needCancelation) { newFreq = (int)(freq_Hz/refClk+0.5)*refClk; TuneRxFilter(BW-BWOffset+2*abs(freq_Hz-newFreq)); status = SetFrequencySX(tx, newFreq); } else status = SetFrequencySX(tx, freq_Hz); if(status != 0) return status; const int ch = Get_SPI_Reg_bits(LMS7param(MAC)); for(int i=0; i<2; ++i) { Modify_SPI_Reg_bits(LMS7param(MAC), i+1); SetNCOFrequency(LMS7002M::Rx, 15, 0); } if(needCancelation) { Modify_SPI_Reg_bits(LMS7param(MAC), ch); Modify_SPI_Reg_bits(LMS7param(EN_INTONLY_SDM), 1); /*uint16_t gINT = Get_SPI_Reg_bits(0x011E, 13, 0); // read whole register to reduce SPI transfers uint32_t gFRAC = ((gINT&0xF) * 65536) | Get_SPI_Reg_bits(0x011D, 15, 0); bool upconvert = gFRAC > (1 << 19); gINT = gINT >> 4; if(upconvert) { gINT+=; Modify_SPI_Reg_bits(LMS7param(INT_SDM), gINT); } Modify_SPI_Reg_bits(0x011D, 15, 0, 0); Modify_SPI_Reg_bits(0x011E, 3, 0, 0);*/ //const float_type refClk_Hz = GetReferenceClk_SX(tx); //float actualFreq = (float_type)refClk_Hz / (1 << (Get_SPI_Reg_bits(LMS7param(DIV_LOCH)) + 1)); //actualFreq *= (gINT + 4) * (Get_SPI_Reg_bits(LMS7param(EN_DIV2_DIVPROG)) + 1); float actualFreq = newFreq; float userFreq = freq_Hz; bool upconvert = actualFreq > userFreq; for(int i=0; i<2; ++i) { Modify_SPI_Reg_bits(LMS7param(MAC), i+1); Modify_SPI_Reg_bits(LMS7param(CMIX_SC_RXTSP), !upconvert); Modify_SPI_Reg_bits(LMS7param(CMIX_BYP_RXTSP), 0); Modify_SPI_Reg_bits(LMS7param(SEL_RX), 15); Modify_SPI_Reg_bits(LMS7param(CMIX_GAIN_RXTSP), 1); SetNCOFrequency(LMS7002M::Rx, 14, 0); SetNCOFrequency(LMS7002M::Rx, 15, abs(actualFreq-userFreq)); } } Modify_SPI_Reg_bits(LMS7param(MAC), ch); return 0; } /** @brief Returns currently set SXR/SXT frequency @return SX frequency Hz */ float_type LMS7002M::GetFrequencySX(bool tx) { Channel ch = this->GetActiveChannel(); //remember previously used channel float_type dMul; this->SetActiveChannel(tx?ChSXT:ChSXR); uint16_t gINT = Get_SPI_Reg_bits(0x011E, 13, 0); // read whole register to reduce SPI transfers uint32_t gFRAC = ((gINT&0xF) * 65536) | Get_SPI_Reg_bits(0x011D, 15, 0); const float_type refClk_Hz = GetReferenceClk_SX(tx); dMul = (float_type)refClk_Hz / (1 << (Get_SPI_Reg_bits(LMS7param(DIV_LOCH)) + 1)); //Calculate real frequency according to the calculated parameters dMul = dMul * ((gINT >> 4) + 4 + (float_type)gFRAC / 1048576.0) * (Get_SPI_Reg_bits(LMS7param(EN_DIV2_DIVPROG)) + 1); this->SetActiveChannel(ch); //restore used channel return dMul; } /** @brief Sets chosen NCO's frequency @param tx transmitter or receiver selection @param index NCO index from 0 to 15 @param freq_Hz desired NCO frequency @return 0-success, other-failure */ int LMS7002M::SetNCOFrequency(bool tx, uint8_t index, float_type freq_Hz) { if(index > 15) return ReportError(ERANGE, "SetNCOFrequency(index = %d) - index out of range [0, 15]", int(index)); float_type refClk_Hz = GetReferenceClk_TSP(tx); if(freq_Hz < 0 || freq_Hz/refClk_Hz > 0.5) return ReportError(ERANGE, "SetNCOFrequency(index = %d) - Frequency(%g MHz) out of range [0-%g) MHz", int(index), freq_Hz/1e6, refClk_Hz/2e6); uint16_t addr = tx ? 0x0240 : 0x0440; uint32_t fcw = uint32_t((freq_Hz/refClk_Hz)*4294967296); SPI_write(addr+2+index*2, (fcw >> 16)); //NCO frequency control word register MSB part. SPI_write(addr+3+index*2, fcw); //NCO frequency control word register LSB part. return 0; } /** @brief Returns chosen NCO's frequency in Hz @param tx transmitter or receiver selection @param index NCO index from 0 to 15 @param fromChip read frequency directly from chip or local registers @return NCO frequency in Hz */ float_type LMS7002M::GetNCOFrequency(bool tx, uint8_t index, bool fromChip) { if(index > 15) return ReportError(ERANGE, "GetNCOFrequency_MHz(index = %d) - index out of range [0, 15]", int(index)); float_type refClk_Hz = GetReferenceClk_TSP(tx); uint16_t addr = tx ? 0x0240 : 0x0440; uint32_t fcw = 0; fcw |= SPI_read(addr + 2 + index * 2, fromChip) << 16; //NCO frequency control word register MSB part. fcw |= SPI_read(addr + 3 + index * 2, fromChip); //NCO frequency control word register LSB part. return refClk_Hz*(fcw/4294967296.0); } /** @brief Sets chosen NCO phase offset angle when memory table MODE is 0 @param tx transmitter or receiver selection @param angle_deg phase offset angle in degrees @return 0-success, other-failure */ int LMS7002M::SetNCOPhaseOffsetForMode0(bool tx, float_type angle_deg) { uint16_t addr = tx ? 0x0241 : 0x0441; uint16_t pho = (uint16_t)(65536 * (angle_deg / 360 )); SPI_write(addr, pho); return 0; } /** @brief Sets chosen NCO's phase offset angle @param tx transmitter or receiver selection @param index PHO index from 0 to 15 @param angle_deg phase offset angle in degrees @return 0-success, other-failure */ int LMS7002M::SetNCOPhaseOffset(bool tx, uint8_t index, float_type angle_deg) { if(index > 15) return ReportError(ERANGE, "SetNCOPhaseOffset(index = %d) - index out of range [0, 15]", int(index)); uint16_t addr = tx ? 0x0244 : 0x0444; uint16_t pho = (uint16_t)(65536*(angle_deg / 360)); SPI_write(addr+index, pho); return 0; } /** @brief Returns chosen NCO's phase offset angle in radians @param tx transmitter or receiver selection @param index PHO index from 0 to 15 @return phase offset angle in degrees */ float_type LMS7002M::GetNCOPhaseOffset_Deg(bool tx, uint8_t index) { if(index > 15) return ReportError(ERANGE, "GetNCOPhaseOffset_Deg(index = %d) - index out of range [0, 15]", int(index)); uint16_t addr = tx ? 0x0244 : 0x0444; uint16_t pho = SPI_read(addr+index); float_type angle = 360*pho/65536.0; return angle; } /** @brief Uploads given FIR coefficients to chip @param tx Transmitter or receiver selection @param GFIR_index GIR index from 0 to 2 @param coef array of coefficients @param coefCount number of coefficients @return 0-success, other-failure This function does not change GFIR*_L or GFIR*_N parameters, they have to be set manually */ int LMS7002M::SetGFIRCoefficients(bool tx, uint8_t GFIR_index, const int16_t *coef, uint8_t coefCount) { uint8_t index; uint8_t coefLimit; uint16_t startAddr; if (GFIR_index == 0) startAddr = 0x0280; else if (GFIR_index == 1) startAddr = 0x02C0; else startAddr = 0x0300; if (tx == false) startAddr += 0x0200; if (GFIR_index < 2) coefLimit = 40; else coefLimit = 120; if (coefCount > coefLimit) return ReportError(ERANGE, "SetGFIRCoefficients(coefCount=%d) - exceeds coefLimit=%d", int(coefCount), int(coefLimit)); vector addresses; for (index = 0; index < coefCount; ++index) addresses.push_back(startAddr + index + 24 * (index / 40)); SPI_write_batch(&addresses[0], (uint16_t*)coef, coefCount); return 0; } /** @brief Returns currently loaded FIR coefficients @param tx Transmitter or receiver selection @param GFIR_index GIR index from 0 to 2 @param coef array of returned coefficients @param coefCount number of coefficients to read @return 0-success, other-failure */ int LMS7002M::GetGFIRCoefficients(bool tx, uint8_t GFIR_index, int16_t *coef, uint8_t coefCount) { checkConnection(); int status = -1; uint8_t index; uint8_t coefLimit; uint16_t startAddr; if(GFIR_index == 0) startAddr = 0x0280; else if (GFIR_index == 1) startAddr = 0x02C0; else startAddr = 0x0300; if (tx == false) startAddr += 0x0200; if (GFIR_index < 2) coefLimit = 40; else coefLimit = 120; if (coefCount > coefLimit) return ReportError(ERANGE, "GetGFIRCoefficients(coefCount=%d) - exceeds coefLimit=%d", int(coefCount), int(coefLimit)); std::vector addresses; for (index = 0; index < coefCount; ++index) addresses.push_back(startAddr + index + 24 * (index / 40)); uint16_t spiData[120]; memset(spiData, 0, 120 * sizeof(uint16_t)); if (controlPort->IsOpen()) { status = SPI_read_batch(&addresses[0], spiData, coefCount); for (index = 0; index < coefCount; ++index) coef[index] = spiData[index]; } else { const int channel = Get_SPI_Reg_bits(LMS7param(MAC), false) > 1 ? 1 : 0; for (index = 0; index < coefCount; ++index) coef[index] = mRegistersMap->GetValue(channel, addresses[index]); status = 0; } return status; } /** @brief Write given data value to whole register @param address SPI address @param data new register value @return 0-succes, other-failure */ int LMS7002M::SPI_write(uint16_t address, uint16_t data) { if(address == 0x0640 || address == 0x0641) { MCU_BD* mcu = GetMCUControls(); SPI_write(0x002D, address); SPI_write(0x020C, data); mcu->RunProcedure(7); mcu->WaitForMCU(50); return SPI_read(0x040B); } else return this->SPI_write_batch(&address, &data, 1); } /** @brief Reads whole register value from given address @param address SPI address @param status operation status(optional) @param fromChip read value directly from chip @return register value */ uint16_t LMS7002M::SPI_read(uint16_t address, bool fromChip, int *status) { if (!controlPort || fromChip == false) { if (status && !controlPort) *status = ReportError(ENOTCONN, "chip not connected"); int mac = mRegistersMap->GetValue(0, LMS7param(MAC).address) & 0x0003; int regNo = (mac == 2)? 1 : 0; //only when MAC is B -> use register space B if (address < 0x0100) regNo = 0; //force A when below MAC mapped register space return mRegistersMap->GetValue(regNo, address); } if(controlPort) { uint16_t data = 0; int st; if(address == 0x0640 || address == 0x0641) { MCU_BD* mcu = GetMCUControls(); SPI_write(0x002D, address); mcu->RunProcedure(8); mcu->WaitForMCU(50); uint16_t rdVal = SPI_read(0x040B, true, status); return rdVal; } else st = this->SPI_read_batch(&address, &data, 1); if (status != nullptr) *status = st; return data; } return 0; } /** @brief Batches multiple register writes into least ammount of transactions @param spiAddr spi register addresses to be written @param spiData registers data to be written @param cnt number of registers to write @return 0-success, other-failure */ int LMS7002M::SPI_write_batch(const uint16_t* spiAddr, const uint16_t* spiData, uint16_t cnt) { int mac = mRegistersMap->GetValue(0, LMS7param(MAC).address) & 0x0003; std::vector data(cnt); for (size_t i = 0; i < cnt; ++i) { data[i] = (1 << 31) | (uint32_t(spiAddr[i]) << 16) | spiData[i]; //msbit 1=SPI write //write which register cache based on MAC bits //or always when below the MAC mapped register space bool wr0 = ((mac & 0x1) != 0) or (spiAddr[i] < 0x0100); bool wr1 = ((mac & 0x2) != 0) and (spiAddr[i] >= 0x0100); if (wr0) mRegistersMap->SetValue(0, spiAddr[i], spiData[i]); if (wr1) mRegistersMap->SetValue(1, spiAddr[i], spiData[i]); //refresh mac, because batch might also change active channel if(spiAddr[i] == LMS7param(MAC).address) mac = mRegistersMap->GetValue(0, LMS7param(MAC).address) & 0x0003; } checkConnection(); return controlPort->WriteLMS7002MSPI(data.data(), cnt,mdevIndex); } /** @brief Batches multiple register reads into least amount of transactions @param spiAddr SPI addresses to read @param spiData array for read data @param cnt number of registers to read @return 0-success, other-failure */ int LMS7002M::SPI_read_batch(const uint16_t* spiAddr, uint16_t* spiData, uint16_t cnt) { checkConnection(); std::vector dataWr(cnt); std::vector dataRd(cnt); for (size_t i = 0; i < cnt; ++i) { dataWr[i] = (uint32_t(spiAddr[i]) << 16); } int status = controlPort->ReadLMS7002MSPI(dataWr.data(), dataRd.data(), cnt,mdevIndex); if (status != 0) return status; int mac = mRegistersMap->GetValue(0, LMS7param(MAC).address) & 0x0003; for (size_t i = 0; i < cnt; ++i) { spiData[i] = dataRd[i] & 0xffff; //write which register cache based on MAC bits //or always when below the MAC mapped register space bool wr0 = ((mac & 0x1) != 0) or (spiAddr[i] < 0x0100); bool wr1 = ((mac & 0x2) != 0) and (spiAddr[i] >= 0x0100); if (wr0) mRegistersMap->SetValue(0, spiAddr[i], spiData[i]); if (wr1) mRegistersMap->SetValue(1, spiAddr[i], spiData[i]); } return 0; } /** @brief Performs registers test by writing known data and confirming readback data @return 0-registers test passed, other-failure */ int LMS7002M::RegistersTest(const char* fileName) { char chex[16]; checkConnection(); int status; Channel ch = this->GetActiveChannel(); //backup both channel data for restoration after test vector ch1Addresses; for (uint8_t i = 0; i < MEMORY_SECTIONS_COUNT; ++i) for (uint16_t addr = MemorySectionAddresses[i][0]; addr <= MemorySectionAddresses[i][1]; ++addr) ch1Addresses.push_back(addr); vector ch1Data; ch1Data.resize(ch1Addresses.size(), 0); //backup A channel this->SetActiveChannel(ChA); status = SPI_read_batch(&ch1Addresses[0], &ch1Data[0], ch1Addresses.size()); if (status != 0) return status; vector ch2Addresses; for (uint8_t i = 0; i < MEMORY_SECTIONS_COUNT; ++i) for (uint16_t addr = MemorySectionAddresses[i][0]; addr <= MemorySectionAddresses[i][1]; ++addr) if (addr >= 0x0100) ch2Addresses.push_back(addr); vector ch2Data; ch2Data.resize(ch2Addresses.size(), 0); this->SetActiveChannel(ChB); status = SPI_read_batch(&ch2Addresses[0], &ch2Data[0], ch2Addresses.size()); if (status != 0) return status; //test registers ResetChip(); Modify_SPI_Reg_bits(LMS7param(MIMO_SISO), 0); Modify_SPI_Reg_bits(LMS7param(PD_RX_AFE2), 0); Modify_SPI_Reg_bits(LMS7param(PD_TX_AFE2), 0); this->SetActiveChannel(ChA); stringstream ss; //check single channel memory sections vector modulesToCheck = { AFE, BIAS, XBUF, CGEN, LDO, BIST, CDS, TRF, TBB, RFE, RBB, SX, TxTSP, TxNCO, TxGFIR1, TxGFIR2, TxGFIR3a, TxGFIR3b, TxGFIR3c, RxTSP, RxNCO, RxGFIR1, RxGFIR2, RxGFIR3a, RxGFIR3b, RxGFIR3c, LimeLight }; const char* moduleNames[] = { "AFE", "BIAS", "XBUF", "CGEN", "LDO", "BIST", "CDS", "TRF", "TBB", "RFE", "RBB", "SX", "TxTSP", "TxNCO", "TxGFIR1", "TxGFIR2", "TxGFIR3a", "TxGFIR3b", "TxGFIR3c", "RxTSP", "RxNCO", "RxGFIR1", "RxGFIR2", "RxGFIR3a", "RxGFIR3b", "RxGFIR3c", "LimeLight" }; const uint16_t patterns[] = { 0xAAAA, 0x5555 }; const uint8_t patternsCount = 2; bool allTestSuccess = true; for (unsigned i = 0; i < modulesToCheck.size(); ++i) { bool moduleTestsSuccess = true; uint16_t startAddr = MemorySectionAddresses[modulesToCheck[i]][0]; uint16_t endAddr = MemorySectionAddresses[modulesToCheck[i]][1]; uint8_t channelCount = startAddr >= 0x0100 ? 2 : 1; for (int cc = 1; cc <= channelCount; ++cc) { Modify_SPI_Reg_bits(LMS7param(MAC), cc); sprintf(chex, "0x%04X", startAddr); ss << moduleNames[i] << " [" << chex << ":"; sprintf(chex, "0x%04X", endAddr); ss << chex << "]"; if (startAddr >= 0x0100) { ss << " Ch." << (cc == 1 ? "A" : "B"); } ss << endl; for (uint8_t p = 0; p < patternsCount; ++p) moduleTestsSuccess &= RegistersTestInterval(startAddr, endAddr, patterns[p], ss) == 0; } allTestSuccess &= moduleTestsSuccess; } //restore register values this->SetActiveChannel(ChA); SPI_write_batch(&ch1Addresses[0], &ch1Data[0], ch1Addresses.size()); this->SetActiveChannel(ChB); SPI_write_batch(&ch2Addresses[0], &ch2Data[0], ch2Addresses.size()); this->SetActiveChannel(ch); if (fileName) { fstream fout; fout.open(fileName, ios::out); fout << ss.str() << endl; fout.close(); } if (allTestSuccess) return 0; ReportError(-1, "RegistersTest() failed - %s", GetLastErrorMessage()); return -1; } /** @brief Performs registers test for given address interval by writing given pattern data @param startAddr first register address @param endAddr last reigster address @param pattern data to be written into registers @return 0-register test passed, other-failure */ int LMS7002M::RegistersTestInterval(uint16_t startAddr, uint16_t endAddr, uint16_t pattern, stringstream &ss) { vector addrToWrite; vector dataToWrite; vector dataReceived; vector dataMasks; for (uint16_t addr = startAddr; addr <= endAddr; ++addr) { addrToWrite.push_back(addr); } dataMasks.resize(addrToWrite.size(), 0xFFFF); for (uint16_t j = 0; j < sizeof(readOnlyRegisters)/sizeof(uint16_t); ++j) for (uint16_t k = 0; k < addrToWrite.size(); ++k) if (readOnlyRegisters[j] == addrToWrite[k]) { dataMasks[k] = readOnlyRegistersMasks[j]; break; } dataToWrite.clear(); dataReceived.clear(); for (uint16_t j = 0; j < addrToWrite.size(); ++j) { if (addrToWrite[j] == 0x00A6) dataToWrite.push_back(0x1 | (pattern & ~0x2)); else if (addrToWrite[j] == 0x0084) dataToWrite.push_back(pattern & ~0x19); else dataToWrite.push_back(pattern & dataMasks[j]); } dataReceived.resize(addrToWrite.size(), 0); int status; status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0) return status; status = SPI_read_batch(&addrToWrite[0], &dataReceived[0], addrToWrite.size()); if (status != 0) return status; bool registersMatch = true; char ctemp[16]; for (uint16_t j = 0; j < dataToWrite.size(); ++j) { if (dataToWrite[j] != (dataReceived[j] & dataMasks[j])) { registersMatch = false; sprintf(ctemp, "0x%04X", addrToWrite[j]); ss << "\t" << ctemp << "(wr/rd): "; sprintf(ctemp, "0x%04X", dataToWrite[j]); ss << ctemp << "/"; sprintf(ctemp, "0x%04X", dataReceived[j]); ss << ctemp << endl; } } if (registersMatch) { sprintf(ctemp, "0x%04X", pattern); ss << "\tRegisters OK (" << ctemp << ")\n"; } if (registersMatch) return 0; return ReportError(-1, "RegistersTestInterval(startAddr=0x%x, endAddr=0x%x) - failed", startAddr, endAddr); } /** @brief Sets Rx Dc offsets by converting two's complementary numbers to sign and magnitude */ void LMS7002M::SetRxDCOFF(int8_t offsetI, int8_t offsetQ) { uint16_t valToSend = 0; if (offsetI < 0) valToSend |= 0x40; valToSend |= labs(offsetI); valToSend = valToSend << 7; if (offsetQ < 0) valToSend |= 0x40; valToSend |= labs(offsetQ); SPI_write(0x010E, valToSend); } /** @brief Sets given module registers to default values @return 0-success, other-failure */ int LMS7002M::SetDefaults(MemorySection module) { int status = 0; vector addrs; vector values; for(uint32_t address = MemorySectionAddresses[module][0]; address <= MemorySectionAddresses[module][1]; ++address) { addrs.push_back(address); values.push_back(mRegistersMap->GetDefaultValue(address)); } status = SPI_write_batch(&addrs[0], &values[0], addrs.size()); return status; } /** @brief Reads all chip configuration and checks if it matches with local registers copy */ bool LMS7002M::IsSynced() { if (!controlPort || controlPort->IsOpen() == false) return false; bool isSynced = true; int status; Channel ch = this->GetActiveChannel(); vector addrToRead = mRegistersMap->GetUsedAddresses(0); vector dataReceived; dataReceived.resize(addrToRead.size(), 0); this->SetActiveChannel(ChA); std::vector dataWr(addrToRead.size()); std::vector dataRd(addrToRead.size()); for(size_t i = 0; i < addrToRead.size(); ++i) dataWr[i] = (uint32_t(addrToRead[i]) << 16); status = controlPort->ReadLMS7002MSPI(dataWr.data(), dataRd.data(), dataWr.size(),mdevIndex); for(size_t i=0; iGetValue(0, addrToRead[i]); if(addrToRead[i] <= readOnlyRegisters[sizeof(readOnlyRegisters)/sizeof(uint16_t)-1] && addrToRead[i] >= readOnlyRegisters[0]) { //mask out readonly bits for (uint16_t j = 0; j < sizeof(readOnlyRegisters) / sizeof(uint16_t); ++j) if (readOnlyRegisters[j] == addrToRead[i]) { dataReceived[i] &= readOnlyRegistersMasks[j]; regValue &= readOnlyRegistersMasks[j]; break; } } if (dataReceived[i] != regValue) { printf("Addr: 0x%04X gui: 0x%04X chip: 0x%04X\n", addrToRead[i], regValue, dataReceived[i]); isSynced = false; goto isSyncedEnding; } } addrToRead.clear(); //add only B channel addresses addrToRead = mRegistersMap->GetUsedAddresses(1); dataWr.resize(addrToRead.size()); dataRd.resize(addrToRead.size()); for(size_t i = 0; i < addrToRead.size(); ++i) dataWr[i] = (uint32_t(addrToRead[i]) << 16); status = controlPort->ReadLMS7002MSPI(dataWr.data(), dataRd.data(), dataWr.size(),mdevIndex); for(size_t i=0; iSetActiveChannel(ChB); //check if local copy matches chip for (uint16_t i = 0; i < addrToRead.size(); ++i) { uint16_t regValue = mRegistersMap->GetValue(1, addrToRead[i]); if(addrToRead[i] <= readOnlyRegisters[sizeof(readOnlyRegisters)/sizeof(uint16_t)-1] && addrToRead[i] >= readOnlyRegisters[0]) { //mask out readonly bits for (uint16_t j = 0; j < sizeof(readOnlyRegisters) / sizeof(uint16_t); ++j) if (readOnlyRegisters[j] == addrToRead[i]) { dataReceived[i] &= readOnlyRegistersMasks[j]; regValue &= readOnlyRegistersMasks[j]; break; } } if (dataReceived[i] != regValue) { printf("Addr: 0x%04X gui: 0x%04X chip: 0x%04X\n", addrToRead[i], regValue, dataReceived[i]); isSynced = false; goto isSyncedEnding; } } isSyncedEnding: this->SetActiveChannel(ch); //restore previously used channel return isSynced; } /** @brief Writes all registers from host to chip */ int LMS7002M::UploadAll() { checkConnection(); Channel ch = this->GetActiveChannel(); //remember used channel int status; vector addrToWrite; vector dataToWrite; uint16_t x0020_value = mRegistersMap->GetValue(0, 0x0020); this->SetActiveChannel(ChA); //select A channel addrToWrite = mRegistersMap->GetUsedAddresses(0); //remove 0x0020 register from list, to not change MAC addrToWrite.erase( find(addrToWrite.begin(), addrToWrite.end(), 0x0020) ); for (auto address : addrToWrite) dataToWrite.push_back(mRegistersMap->GetValue(0, address)); status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0) return status; //after all channel A registers have been written, update 0x0020 register value status = SPI_write(0x0020, x0020_value); if (status != 0) return status; this->SetActiveChannel(ChB); if (status != 0) return status; addrToWrite = mRegistersMap->GetUsedAddresses(1); dataToWrite.clear(); for (auto address : addrToWrite) { dataToWrite.push_back(mRegistersMap->GetValue(1, address)); } this->SetActiveChannel(ChB); //select B channel status = SPI_write_batch(&addrToWrite[0], &dataToWrite[0], addrToWrite.size()); if (status != 0) return status; this->SetActiveChannel(ch); //restore last used channel //update external band-selection to match this->UpdateExternalBandSelect(); return 0; } /** @brief Reads all registers from the chip to host */ int LMS7002M::DownloadAll() { checkConnection(); int status; Channel ch = this->GetActiveChannel(false); vector addrToRead = mRegistersMap->GetUsedAddresses(0); vector dataReceived; dataReceived.resize(addrToRead.size(), 0); this->SetActiveChannel(ChA); status = SPI_read_batch(&addrToRead[0], &dataReceived[0], addrToRead.size()); if (status != 0) return status; for (uint16_t i = 0; i < addrToRead.size(); ++i) { mRegistersMap->SetValue(0, addrToRead[i], dataReceived[i]); } addrToRead.clear(); //add only B channel addresses addrToRead = mRegistersMap->GetUsedAddresses(1); dataReceived.resize(addrToRead.size(), 0); this->SetActiveChannel(ChB); status = SPI_read_batch(&addrToRead[0], &dataReceived[0], addrToRead.size()); if (status != 0) return status; for (uint16_t i = 0; i < addrToRead.size(); ++i) mRegistersMap->SetValue(1, addrToRead[i], dataReceived[i]); this->SetActiveChannel(ch); //retore previously used channel //update external band-selection to match this->UpdateExternalBandSelect(); return 0; } /** @brief Configures interfaces for desired frequency @return 0-success, other-failure Sets interpolation and decimation, changes MCLK sources and TSP clock dividers accordingly to selected interpolation and decimation */ int LMS7002M::SetInterfaceFrequency(float_type cgen_freq_Hz, const uint8_t interpolation, const uint8_t decimation) { int status = 0; LMS7002M_SelfCalState state(this); status = Modify_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP), decimation); if(status != 0) return status; Modify_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP), interpolation); //clock rate already set because the readback frequency is pretty-close, //dont set the cgen frequency again to save time due to VCO selection const auto freqDiff = std::abs(this->GetFrequencyCGEN() - cgen_freq_Hz); if (not this->GetCGENLocked() or freqDiff > 10.0) { status = SetFrequencyCGEN(cgen_freq_Hz); if (status != 0) return status; } int mclk2src = Get_SPI_Reg_bits(LMS7param(MCLK2SRC)); if (decimation == 7 || decimation == 0) //bypass { Modify_SPI_Reg_bits(LMS7param(RXTSPCLKA_DIV), 0); Modify_SPI_Reg_bits(LMS7param(RXDIVEN), false); Modify_SPI_Reg_bits(LMS7param(MCLK2SRC), (mclk2src & 1) | 0x2); } else { uint8_t divider = (uint8_t)pow(2.0, decimation); if (divider > 1) Modify_SPI_Reg_bits(LMS7param(RXTSPCLKA_DIV), (divider / 2) - 1); else Modify_SPI_Reg_bits(LMS7param(RXTSPCLKA_DIV), 0); Modify_SPI_Reg_bits(LMS7param(RXDIVEN), true); Modify_SPI_Reg_bits(LMS7param(MCLK2SRC), mclk2src & 1); } int mclk1src = Get_SPI_Reg_bits(LMS7param(MCLK1SRC)); if (interpolation == 7 || interpolation == 0) //bypass { Modify_SPI_Reg_bits(LMS7param(TXTSPCLKA_DIV), 0); Modify_SPI_Reg_bits(LMS7param(TXDIVEN), false); Modify_SPI_Reg_bits(LMS7param(MCLK1SRC), (mclk1src & 1) | 0x2); } else { uint8_t divider = (uint8_t)pow(2.0, interpolation); if (divider > 1) Modify_SPI_Reg_bits(LMS7param(TXTSPCLKA_DIV), (divider / 2) - 1); else Modify_SPI_Reg_bits(LMS7param(TXTSPCLKA_DIV), 0); Modify_SPI_Reg_bits(LMS7param(TXDIVEN), true); Modify_SPI_Reg_bits(LMS7param(MCLK1SRC), mclk1src & 1); } return status; } float_type LMS7002M::GetSampleRate(bool tx, Channel ch) { float_type interface_Hz; auto chBck = GetActiveChannel(); SetActiveChannel(ch); //if decimation/interpolation is 0(2^1) or 7(bypass), interface clocks should not be divided if (tx) { int interpolation = Get_SPI_Reg_bits(LMS7param(HBI_OVR_TXTSP)); float_type interfaceTx_Hz = GetReferenceClk_TSP(LMS7002M::Tx); if (interpolation != 7) interfaceTx_Hz /= 2*pow(2.0, interpolation); interface_Hz = interfaceTx_Hz; } else { int decimation = Get_SPI_Reg_bits(LMS7param(HBD_OVR_RXTSP)); float_type interfaceRx_Hz = GetReferenceClk_TSP(LMS7002M::Rx); if (decimation != 7) interfaceRx_Hz /= 2*pow(2.0, decimation); interface_Hz = interfaceRx_Hz; } SetActiveChannel(chBck); return interface_Hz; } void LMS7002M::ConfigureLML_RF2BB( const LMLSampleSource s0, const LMLSampleSource s1, const LMLSampleSource s2, const LMLSampleSource s3) { //map a sample source to a position std::map m; m[AI] = 1; m[AQ] = 0; m[BI] = 3; m[BQ] = 2; //load the same config on both LMLs //only one will get used based on direction this->Modify_SPI_Reg_bits(LMS7param(LML1_S3S), m[s3]); this->Modify_SPI_Reg_bits(LMS7param(LML1_S2S), m[s2]); this->Modify_SPI_Reg_bits(LMS7param(LML1_S1S), m[s1]); this->Modify_SPI_Reg_bits(LMS7param(LML1_S0S), m[s0]); this->Modify_SPI_Reg_bits(LMS7param(LML2_S3S), m[s3]); this->Modify_SPI_Reg_bits(LMS7param(LML2_S2S), m[s2]); this->Modify_SPI_Reg_bits(LMS7param(LML2_S1S), m[s1]); this->Modify_SPI_Reg_bits(LMS7param(LML2_S0S), m[s0]); } void LMS7002M::ConfigureLML_BB2RF( const LMLSampleSource s0, const LMLSampleSource s1, const LMLSampleSource s2, const LMLSampleSource s3) { //map a sample source to a position std::map m; m[s3] = 2; m[s2] = 3; m[s0] = 1; m[s1] = 0; //load the same config on both LMLs //only one will get used based on direction this->Modify_SPI_Reg_bits(LMS7param(LML1_BQP), m[BQ]); this->Modify_SPI_Reg_bits(LMS7param(LML1_BIP), m[BI]); this->Modify_SPI_Reg_bits(LMS7param(LML1_AQP), m[AQ]); this->Modify_SPI_Reg_bits(LMS7param(LML1_AIP), m[AI]); this->Modify_SPI_Reg_bits(LMS7param(LML2_BQP), m[BQ]); this->Modify_SPI_Reg_bits(LMS7param(LML2_BIP), m[BI]); this->Modify_SPI_Reg_bits(LMS7param(LML2_AQP), m[AQ]); this->Modify_SPI_Reg_bits(LMS7param(LML2_AIP), m[AI]); } int LMS7002M::SetRxDCRemoval(const bool enable) { this->Modify_SPI_Reg_bits(LMS7param(DC_BYP_RXTSP), enable?0:1); this->Modify_SPI_Reg_bits(LMS7param(DCCORR_AVG_RXTSP), 0x7); return 0; } bool LMS7002M::GetRxDCRemoval(void) { return this->Get_SPI_Reg_bits(LMS7param(DC_BYP_RXTSP)) == 0; } int LMS7002M::SetTxDCOffset(const float_type I, const float_type Q) { const bool bypass = I == 0.0 and Q == 0.0; this->Modify_SPI_Reg_bits(LMS7param(DC_BYP_TXTSP), bypass?1:0); this->Modify_SPI_Reg_bits(LMS7param(DCCORRI_TXTSP), std::lrint(I*128)); this->Modify_SPI_Reg_bits(LMS7param(DCCORRQ_TXTSP), std::lrint(Q*128)); return 0; } void LMS7002M::GetTxDCOffset(float_type &I, float_type &Q) { I = int8_t(this->Get_SPI_Reg_bits(LMS7param(DCCORRI_TXTSP)))/128.0; //signed 8-bit Q = int8_t(this->Get_SPI_Reg_bits(LMS7param(DCCORRQ_TXTSP)))/128.0; //signed 8-bit } int LMS7002M::SetIQBalance(const bool tx, const float_type phase, const float_type gainI, const float_type gainQ) { const bool bypassPhase = (phase == 0.0); const bool bypassGain = ((gainI == 1.0) and (gainQ == 1.0)) or ((gainI == 0.0) and (gainQ == 0.0)); int iqcorr = std::lrint(2047*(phase/(M_PI/2))); int gcorri = std::lrint(2047*gainI); int gcorrq = std::lrint(2047*gainQ); this->Modify_SPI_Reg_bits(tx?LMS7param(PH_BYP_TXTSP):LMS7param(PH_BYP_RXTSP), bypassPhase?1:0); this->Modify_SPI_Reg_bits(tx?LMS7param(GC_BYP_TXTSP):LMS7param(GC_BYP_RXTSP), bypassGain?1:0); this->Modify_SPI_Reg_bits(tx?LMS7param(IQCORR_TXTSP):LMS7param(IQCORR_RXTSP), iqcorr); this->Modify_SPI_Reg_bits(tx?LMS7param(GCORRI_TXTSP):LMS7param(GCORRI_RXTSP), gcorri); this->Modify_SPI_Reg_bits(tx?LMS7param(GCORRQ_TXTSP):LMS7param(GCORRQ_RXTSP), gcorrq); return 0; } void LMS7002M::GetIQBalance(const bool tx, float_type &phase, float_type &gainI, float_type &gainQ) { int iqcorr = int16_t(this->Get_SPI_Reg_bits(tx?LMS7param(IQCORR_TXTSP):LMS7param(IQCORR_RXTSP)) << 4) >> 4; //sign extend 12-bit int gcorri = int16_t(this->Get_SPI_Reg_bits(tx?LMS7param(GCORRI_TXTSP):LMS7param(GCORRI_RXTSP))); //unsigned 11-bit int gcorrq = int16_t(this->Get_SPI_Reg_bits(tx?LMS7param(GCORRQ_TXTSP):LMS7param(GCORRQ_RXTSP))); //unsigned 11-bit phase = (M_PI/2)*iqcorr/2047.0; gainI = gcorri/2047.0; gainQ = gcorrq/2047.0; } void LMS7002M::EnterSelfCalibration(void) { if (controlPort && mSelfCalDepth == 0) { controlPort->EnterSelfCalibration(this->GetActiveChannelIndex()); } mSelfCalDepth++; } void LMS7002M::ExitSelfCalibration(void) { mSelfCalDepth--; if (controlPort && mSelfCalDepth == 0) controlPort->ExitSelfCalibration(this->GetActiveChannelIndex()); } LMS7002M_SelfCalState::LMS7002M_SelfCalState(LMS7002M *rfic): rfic(rfic) { rfic->EnterSelfCalibration(); } LMS7002M_SelfCalState::~LMS7002M_SelfCalState(void) { rfic->ExitSelfCalibration(); } void LMS7002M::EnableValuesCache(bool enabled) { useCache = enabled; } bool LMS7002M::IsValuesCacheEnabled() { return useCache; } MCU_BD* LMS7002M::GetMCUControls() const { return mcuControl; } void LMS7002M::EnableCalibrationByMCU(bool enabled) { mCalibrationByMCU = enabled; } float_type LMS7002M::GetTemperature() { Modify_SPI_Reg_bits(LMS7_RSSI_PD, 0); Modify_SPI_Reg_bits(LMS7_RSSI_RSSIMODE, 0); Modify_SPI_Reg_bits(LMS7_DAC_CLKDIV, 32); uint16_t biasMux = Get_SPI_Reg_bits(LMS7_MUX_BIAS_OUT); Modify_SPI_Reg_bits(LMS7_MUX_BIAS_OUT, 2); this_thread::sleep_for(chrono::microseconds(250)); const uint16_t reg606 = SPI_read(0x0606, true); float Vtemp = (reg606 >> 8) & 0xFF; Vtemp *= 3.515625; float Vptat = reg606 & 0xFF; Vptat *= 3.515625; float Vdiff = Vptat-Vtemp; Vdiff /= 3.9; float temperature = 40.5+Vdiff; Modify_SPI_Reg_bits(LMS7_MUX_BIAS_OUT, biasMux); printf("Vtemp 0x%04X, Vptat 0x%04X, Vdiff = %.2f, temp= %.3f\n", (reg606 >> 8) & 0xFF, reg606 & 0xFF, Vdiff, temperature); return temperature; } void LMS7002M::SetLogCallback(std::function callback) { log_callback = callback; } int LMS7002M::CopyChannelRegisters(const Channel src, const Channel dest, const bool copySX) { Channel ch = this->GetActiveChannel(); //remember used channel vector addrToWrite; addrToWrite = mRegistersMap->GetUsedAddresses(1); if(!copySX) { for(uint32_t address = MemorySectionAddresses[SX][0]; address <= MemorySectionAddresses[SX][1]; ++address) addrToWrite.erase( find(addrToWrite.begin(), addrToWrite.end(), address)); } for (auto address : addrToWrite) { uint16_t data = mRegistersMap->GetValue(src == ChA ? 0 : 1, address); mRegistersMap->SetValue(dest == ChA ? 0 : 1, address, data); } if(controlPort) UploadAll(); this->SetActiveChannel(ch); //update external band-selection to match this->UpdateExternalBandSelect(); return 0; } int LMS7002M::CalibrateAnalogRSSI_DC_Offset() { Modify_SPI_Reg_bits(LMS7param(PD_RSSI_RFE), 0); Modify_SPI_Reg_bits(LMS7param(PD_TIA_RFE), 0); Modify_SPI_Reg_bits(LMS7param(RSSIDC_RSEL), 26); int value = -63; uint8_t wrValue = abs(value); if(value < 0) wrValue |= 0x40; Modify_SPI_Reg_bits(LMS7param(RSSIDC_DCO1), wrValue, true); uint8_t cmp = Get_SPI_Reg_bits(LMS7param(RSSIDC_CMPSTATUS), true); uint8_t cmpPrev = cmp; vector edges; for(value = -63; value < 64; ++value) { wrValue = abs(value); if(value < 0) wrValue |= 0x40; Modify_SPI_Reg_bits(LMS7param(RSSIDC_DCO1), wrValue, true); this_thread::sleep_for(chrono::microseconds(5)); cmp = Get_SPI_Reg_bits(LMS7param(RSSIDC_CMPSTATUS), true); if(cmp != cmpPrev) { edges.push_back(value); cmpPrev = cmp; } if(edges.size() > 1) break; } if(edges.size() != 2) { printf("Not found\n"); return ReportError(EINVAL, "Failed to find value"); } int8_t found = (edges[0]+edges[1])/2; wrValue = abs(found); if(found < 0) wrValue |= 0x40; Modify_SPI_Reg_bits(LMS7param(RSSIDC_DCO1), wrValue, true); printf("Found %i\n", found); return 0; }