Diff: JroDDS.cpp

Revision:

5:6500be930b36

Parent:

4:de495ce256b8

Child:

6:aa70d2640f18

--- a/JroDDS.cpp	Tue Feb 10 14:28:42 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,700 +0,0 @@
-#include "JroDDS.h"
-
-static char controlRegister[4];
-static char read_spi_data[6];
-
-static char* KO_MSG = "KO";
-static char* OK_MSG = "OK";
-static char* NI_MSG = "NI";
-
-DDS::DDS(SPI *spi_dev, DigitalOut *mreset, DigitalOut *outramp, DigitalOut *spmode, DigitalOut *cs, DigitalOut *ioreset, DigitalInOut *updclk){
-    
-    spi_device      = spi_dev;
-    
-    dds_mreset      = mreset;
-    dds_outramp     = outramp;
-    dds_sp_mode     = spmode;
-    dds_cs          = cs;
-    dds_io_reset    = ioreset;
-    dds_updclk      = updclk;
-    
-    dds_updclk->input();
-    *dds_sp_mode = 0;
-    *dds_cs = 1;
-    *dds_outramp = 0;
-    
-    cmd_answer = NULL;
-    cmd_answer_len = 0;
-    
-    spi_device->format(SPI_BITS, SPI_MODE);
-    spi_device->frequency(SPI_FREQ);
-    
-    this->isConfig = false;
-    
-}
-    
-int DDS::__writeData(char addr, char ndata, const char* data){
-    
-    // I/O reset
-    *dds_updclk = 0;
-    *dds_io_reset = 1;
-    wait_us(10);
-    *dds_io_reset = 0;
-    wait_us(10);
-    
-    *dds_cs = 0;
-    
-    //Sending serial address
-    //printf("\r\nWriting Addr = %d", addr);
-    spi_device->write(addr & 0x0F);
-    
-    for(char i = 0; i < ndata; i++)
-    {
-        wait_us(150);
-        spi_device->write(data[i]);
-    }
-       
-    *dds_cs = 1;
-    /*
-    for(char i = 0; i < ndata; i++)
-    {
-        printf("\tData[%d] = 0x%x", i, data[i]);
-    }
-    */
-    
-    
-    wait_us(10);
-    *dds_updclk = 1;
-    wait_us(10);
-    *dds_updclk = 0;
-    wait_us(10);
-    
-    return 1;
-}
-
-
-char* DDS::__readData(char addr, char ndata){
-    
-    // I/O reset
-    *dds_io_reset = 1;
-    wait_us(10);
-    *dds_io_reset = 0;
-    wait_us(10);
-    
-    *dds_cs = 0;
-    
-    //Sending serial address
-    //printf("\r\nReading Addr = %d", addr);
-    spi_device->write((addr & 0x0F) | 0x80);
-    
-    for(char i = 0; i < ndata; i++)
-    {
-        wait_us(150);
-        read_spi_data[i] = spi_device->write(0x00);
-    }
-    
-    *dds_cs = 1;
-    /*
-    for(char i = 0; i < ndata; i++)
-    {
-        printf("\r\nData[%d] = 0x%x", i, read_spi_data[i]);
-    } 
-    */
-    
-    wait_us(10);
-    
-    return read_spi_data;
-    }
-
-int DDS::__writeDataAndVerify(char addr, char ndata, const char* wr_spi_data, SerialDriver *screen){
-    
-    int    success;
-    char*  rd_spi_data;
-    
-    this->__writeData(addr, ndata, wr_spi_data);
-    rd_spi_data = this->__readData(addr, ndata);
-    
-    success = 1;
-    
-    for(char i = 0; i < ndata; i++)
-    {
-        if (screen != NULL){
-            screen->putc(wr_spi_data[i]);
-            screen->putc(0x3D);
-            screen->putc(rd_spi_data[i]);
-        }
-        
-        if (wr_spi_data[i] != rd_spi_data[i])
-        {
-            success = 0;
-            break;
-        }
-        
-    }
-    
-    //printf("\r\nSuccessful writting = %d\r\n", success);
-    
-    return success;
-}
-
-char* DDS::__getControlRegister(){
-    
-    bool pll_range = 0;
-    bool pll_bypass = 1;
-    
-    if (cr_multiplier >= 4){
-        pll_bypass = 0;
-    }
-
-    if (frequency >= 200){
-        pll_range = 1;
-    }
-       
-    controlRegister[0] = 0x10 + cr_qdac_pwdn*4;
-    controlRegister[1] = pll_range*64 + pll_bypass*32 + (cr_multiplier & 0x1F);
-    controlRegister[2] = (cr_mode & 0x07)*2 + cr_ioupdclk;
-    controlRegister[3] = cr_inv_sinc*64 + cr_osk_en*32 + cr_osk_int*16 + cr_msb_lsb*2 + cr_sdo;
-    
-    return controlRegister;
-    
-    }
-    
-int DDS::__writeControlRegister(){
-    
-    bool            success;
-    char*  wr_spi_data;
-    char*  rd_spi_data;
-    char   addr = 0x07, ndata = 4;
-    
-    wr_spi_data = this->__getControlRegister();
-    
-    success = this->__writeData(addr, ndata, wr_spi_data);
-    
-    ////printf("\r\nChanging UPD_CLK as an OUTPUT ...");
-    dds_updclk->output();
-    
-    wait_us(100);
-    *dds_updclk = 1;
-    wait_us(10);
-    *dds_updclk = 0;
-    wait_us(10);
-    
-    rd_spi_data = this->__readData(addr, ndata);
-    
-    success = true;
-    
-    for(char i = 0; i < ndata; i++)
-    {
-        if (wr_spi_data[i] != rd_spi_data[i])
-        {
-            success = false;
-            break;
-        }
-    }
-    
-    return success;
-}   
-
-                    
-int DDS::reset(){
-    
-    // Master reset
-    //Set as a input, temporary
-    //printf("\r\nChange updclk direction as an INPUT ...\r\n");
-    dds_updclk->input();
-    dds_updclk->mode(PullDown);
-    
-    //printf("\r\nReseting DDS ...\r\n");
-    *dds_mreset = 1;
-    wait_ms(1);
-    *dds_mreset = 0;
-    wait_ms(1);
-    
-    this->rf_enabled = false;
-    
-    return 0;
-    }
-    
-int DDS::scanIOUpdate(){
-    
-    unsigned int cont = 0;
-    
-    this->reset();
-    
-    //printf("\r\nWaiting a upd_clk ...\r\n");
-    while(true){
-        if (*dds_updclk == 1)
-            break;
-        
-        cont += 1;
-        if (cont > 10000)
-            break;
-            
-        wait_us(1);
-    }
-    
-    if (cont > 10000){
-        //printf("\r\nA upd_clk was not found\r\n");
-        return 0;
-    }
-    
-    //printf("\r\nA upd_clk was found ...\r\n");
-    
-    return 1;
-    }
-    
-int DDS::find(){
-    /*
-    char phase[];
-    
-    phase[0] = 0x0A;
-    phase[1] = 0x55;
-    
-    this->__writeDataAndVerify(0x00, 5, phase);
-    */
-    this->__readData(0x05, 4);
-    this->__readData(0x0A, 1);
-    return 1;
-    
-    }
-    
-    
-int DDS::init(){
-    
-    //printf("\r\nSetting default parameters in CR ...\r\n");
-    
-    //Serial mode enabled
-    this->frequency = 200.0;        // Work frequency in MHz
-    this->cr_multiplier = 4;        // Multiplier 4- 20
-    this->cr_mode = 0;              // Single, FSK, Ramped FSK, Chirp, BPSK
-    this->cr_qdac_pwdn = 0;         // QDAC power down enabled: 0 -> disable
-    this->cr_ioupdclk = 0;          // IO Update clock direction: 0 -> input,  1 -> output
-    this->cr_inv_sinc  = 0;         // Sinc inverser filter enable: 0 -> enable
-    this->cr_osk_en = 1;            // Enable Amplitude multiplier: 0 -> disabled
-    this->cr_osk_int = 0;           // register/counter output shaped control: 0 -> register, 1 -> counter
-    this->cr_msb_lsb = 0;           // msb/lsb bit first: 0 -> MSB, 1 -> LSB
-    this->cr_sdo = 1;               // SDO pin active: 0 -> inactive
-
-    //printf("\r\nSetting in serial mode ...\r\n");
-    *dds_sp_mode = 0;
-    *dds_cs = 1;
-     
-    this->reset();
-    
-    //printf("\r\nWritting CR ...\r\n");
-    
-    if (not this->__writeControlRegister()){
-        //printf("\r\nUnsuccessful DDS initialization");
-        this->isConfig = false;
-        return false;
-        }
-        
-    //printf("\r\nSuccessfull DDS initialization");
-    
-    this->isConfig = true;
-    
-    return true;
-}
-
-char* DDS::rdMode(){
-    
-    char* rd_data;
-    char mode;
-    
-    rd_data = this->__readData(0x07, 4);
-    mode = (rd_data[2] & 0x0E) >> 1;
-    
-    rd_data[0] = mode;
-    
-    return rd_data;
-    }
-    
-char* DDS::rdMultiplier(){
-    
-    char* rd_data;
-    char mult;
-    
-    rd_data = this->__readData(0x07, 4);
-    mult = (rd_data[1] & 0x1F);
-    
-    rd_data[0] = mult;
-    rd_data[1] = ((int)clock >> 8) & 0xff; 
-    rd_data[2] = (int)clock & 0xff; 
-    
-    return rd_data;    
-    }
-char* DDS::rdPhase1(){
-
-    char* rd_data;
-    
-    rd_data = this->__readData(0x00, 2);
-    
-    return rd_data;
-    
-    }
-char* DDS::rdPhase2(){
-
-    char* rd_data;
-    
-    rd_data = this->__readData(0x01, 2);
-    
-    return rd_data;
-    }
-char* DDS::rdFrequency1(){
-
-    char* rd_data;
-    
-    rd_data = this->__readData(0x02, 6);
-    
-    return rd_data;
-    
-    }
-char* DDS::rdFrequency2(){
-
-    char* rd_data;
-    
-    rd_data = this->__readData(0x03, 6);
-    
-    return rd_data;
-    }
-char* DDS::rdAmplitudeI(){
-
-    char* rd_data;
-    
-    rd_data = this->__readData(0x08, 2);
-    
-    return rd_data;
-    }
-char* DDS::rdAmplitudeQ(){
-
-    char* rd_data;
-    
-    rd_data = this->__readData(0x09, 2);
-    
-    return rd_data;
-    }
-
-int DDS::isRFEnabled(){
-    
-    if (this->rf_enabled)
-        return 1;
-    
-    return 0;
-    }
-    
-int DDS::wrMode(char mode){
-    
-    this->cr_mode = mode & 0x07;
-    
-    return this->__writeControlRegister();
-    }
-
-int DDS::wrMultiplier(char multiplier, float clock){
-    
-    this->cr_multiplier = multiplier & 0x1F;
-    this->frequency = clock;
-    
-    //printf("\r\n mult = %d, clock = %f", multiplier, clock);
-    //printf("\r\n cr_mult = %d", cr_multiplier);
-    
-    return this->__writeControlRegister();
-    }
-        
-int DDS::wrPhase1(char* phase, SerialDriver *screen){
-    
-    return this->__writeDataAndVerify(0x00, 2, phase, screen);
-    
-    }
-    
-int DDS::wrPhase2(char* phase, SerialDriver *screen){
-    
-    return this->__writeDataAndVerify(0x01, 2, phase, screen);
-    
-    }
-    
-int DDS::wrFrequency1(char* freq, SerialDriver *screen){
-    
-    return this->__writeDataAndVerify(0x02, 6, freq, screen);
-    
-    }
-int DDS::wrFrequency2(char* freq, SerialDriver *screen){
-    
-    return this->__writeDataAndVerify(0x03, 6, freq, screen);
-    
-    }
-
-int DDS::wrAmplitudeI(char* amplitude, SerialDriver *screen){
-    
-    amplitudeI[0] = amplitude[0];
-    amplitudeI[1] = amplitude[1];
-    
-    return this->__writeDataAndVerify(0x08, 2, amplitude, screen);
-    
-    }
-
-int DDS::wrAmplitudeQ(char* amplitude, SerialDriver *screen){
-    
-    amplitudeQ[0] = amplitude[0];
-    amplitudeQ[1] = amplitude[1];
-     
-    return this->__writeDataAndVerify(0x09, 2, amplitude, screen);
-    
-    }
-
-int DDS::enableRF(){
-    
-    this->rf_enabled = true;
-    
-    this->__writeDataAndVerify(0x08, 2, this->amplitudeI);
-    return this->__writeDataAndVerify(0x09, 2, this->amplitudeQ);
-
-    }
-
-int DDS::disableRF(){
-    
-    this->rf_enabled = false;
-    
-    this->__writeDataAndVerify(0x08, 2, "\x00\x00");
-    return this->__writeDataAndVerify(0x09, 2, "\x00\x00");
-    
-    }
-       
-int DDS::defaultSettings(SerialDriver *screen){
-    
-    if (!(screen == NULL)){
-        screen->putc(0x37);
-        screen->putc(0x30);
-    }
-    
-    this->wrMultiplier(1, 0.0);
-    this->wrAmplitudeI("\x0F\xC0", screen);                //0xFC0 produces best SFDR than 0xFFF
-    this->wrAmplitudeQ("\x0F\xC0");                        //0xFC0 produces best SFDR than 0xFFF    
-    this->wrFrequency1("\x00\x00\x00\x00\x00\x00");        // 49.92 <> 0x3f 0xe5 0xc9 0x1d 0x14 0xe3 <> 49.92/clock*(2**48) \x3f\xe5\xc9\x1d\x14\xe3
-    this->wrFrequency2("\x00\x00\x00\x00\x00\x00");
-    this->wrPhase1("\x00\x00");                            //0 grados
-    this->wrPhase2("\x20\x00");                            //180 grados <> 0x20 0x00 <> 180/360*(2**14)
-    this->disableRF();
-        
-    if (!(screen == NULL)){
-        screen->putc(0x37);
-        screen->putc(0x31);
-    }
-    
-    return this->wrMode(4);                                //BPSK mode
-    
-    }
-    
-char* DDS::setCommand(unsigned short cmd, char* payload, unsigned long payload_len){
-    
-    bool success = false;    
-    char* tx_msg;
-    unsigned long tx_msg_len;
-    
-    tx_msg = KO_MSG;
-    tx_msg_len = 2;
-    
-    //printf("cmd = %d, payload_len = %d", cmd, payload_len);
-
-    //printf("\r\nPayload = ");
-    //for(unsigned long i=0; i< payload_len; i++)
-        //printf("0x%x ", payload[i]);
-    
-    //Si el DDS no esta inicializado siempre retornar NI_MSG
-    if (not this->isConfig){
-        this->cmd_answer = NI_MSG;
-        this->cmd_answer_len = 2;
-        
-        return this->cmd_answer;
-    }
-    
-    switch ( cmd )
-      {
-        case DDS_CMD_RESET:
-            success = this->init();
-            break;
-            
-        case DDS_CMD_ENABLE_RF:
-            if (payload_len == 1){
-                if (payload[0] == 0)
-                    success = this->disableRF();
-                else
-                    success = this->enableRF();
-            }
-            break;
-            
-        case DDS_CMD_MULTIPLIER:
-            if (payload_len == 3){
-                unsigned short clock = payload[1]*256 + payload[2];
-                success = this->wrMultiplier(payload[0], (float)clock);
-            }
-            break;
-            
-        case DDS_CMD_MODE:
-            if (payload_len == 1){
-                success = this->wrMode(payload[0]);
-            }
-            break;
-            
-        case DDS_CMD_FREQUENCY1:
-            if (payload_len == 6){
-                success = this->wrFrequency1(payload);
-            }
-            break;
-            
-        case DDS_CMD_FREQUENCY2:
-            if (payload_len == 6){
-                success = this->wrFrequency2(payload);
-            }
-            break;
-            
-        case DDS_CMD_PHASE1:
-            if (payload_len == 2){
-                success = this->wrPhase1(payload);
-            }
-            break;
-            
-        case DDS_CMD_PHASE2:
-            if (payload_len == 2){
-                success = this->wrPhase2(payload);
-            }
-            break;
-
-        case DDS_CMD_AMPLITUDEI:
-            if (payload_len == 2){
-                success = this->wrAmplitudeI(payload);
-            }
-            break;
-
-        case DDS_CMD_AMPLITUDEQ:
-            if (payload_len == 2){
-                success = this->wrAmplitudeQ(payload);
-            }
-            break;
-
-        case DDS_CMD_READ | DDS_CMD_ENABLE_RF:
-            if (this->isRFEnabled() == 1)
-                tx_msg = "\x01";
-            else
-                tx_msg = "\x00";
-                
-            tx_msg_len = 1;
-            
-            break;
-            
-        case DDS_CMD_READ | DDS_CMD_MULTIPLIER:
-            tx_msg = this->rdMultiplier();
-            tx_msg_len = 3;
-            break;
-            
-        case DDS_CMD_READ | DDS_CMD_MODE:
-            tx_msg = this->rdMode();
-            tx_msg_len = 1;
-            break;
-            
-        case DDS_CMD_READ | DDS_CMD_FREQUENCY1:
-            tx_msg = this->rdFrequency1();
-            tx_msg_len = 6;
-            break;
-            
-        case DDS_CMD_READ | DDS_CMD_FREQUENCY2:
-            tx_msg = this->rdFrequency2();
-            tx_msg_len = 6;
-            break;
-            
-        case DDS_CMD_READ | DDS_CMD_PHASE1:
-            tx_msg = this->rdPhase1();
-            tx_msg_len = 2;
-            break;
-            
-        case DDS_CMD_READ | DDS_CMD_PHASE2:
-            tx_msg = this->rdPhase2();
-            tx_msg_len = 2;
-            break;
-
-        case DDS_CMD_READ | DDS_CMD_AMPLITUDEI:
-            tx_msg = this->rdAmplitudeI();
-            tx_msg_len = 2;
-            break;
-
-        case DDS_CMD_READ | DDS_CMD_AMPLITUDEQ:
-            tx_msg = this->rdAmplitudeQ();
-            tx_msg_len = 2;
-            break;
-            
-        default:
-            success = false;
-        
-      }
-    
-    if (success){
-        tx_msg = OK_MSG;
-        tx_msg_len = 2;
-        }
-    
-    this->cmd_answer = tx_msg;
-    this->cmd_answer_len = tx_msg_len;
-    
-    return tx_msg;
-}
-
-char* DDS::getCmdAnswer(){
-    
-    return this->cmd_answer;
-    
-    }
-    
-unsigned long DDS::getCmdAnswerLen(){
-    
-    return this->cmd_answer_len;
-    
-    }
-
-int DDS::setAllDevice(char* payload, SerialDriver *screen){
-    
-    int sts;
-    char* phase1, *phase2;
-    char* freq1, *freq2;
-    char* delta_freq, *upd_rate_clk, *ramp_rate_clk;
-    char* control_reg;
-    char* amplitudeI, *amplitudeQ, *ampl_ramp_rate;
-    char* qdac;
-    
-    phase1 = &payload[0x00];
-    phase2 = &payload[0x02];
-    freq1 = &payload[0x04];
-    freq2 = &payload[0x0A];
-    delta_freq = &payload[0x10];
-    upd_rate_clk = &payload[0x16];
-    ramp_rate_clk = &payload[0x1A];
-    control_reg = &payload[0x1D];
-    amplitudeI = &payload[0x21];
-    amplitudeQ = &payload[0x23];
-    ampl_ramp_rate = &payload[0x25];
-    qdac = &payload[0x26];
-    
-    control_reg[2] = control_reg[2] & 0xFE;     //cr_ioupdclk always as an input = 0
-    control_reg[3] = control_reg[3] | 0x01;     //cr_sdo enable = 1
-    
-    this->wrPhase1(phase1);
-    this->wrPhase2(phase2);
-    this->wrFrequency1(freq1);
-    this->wrFrequency2(freq2);
-    this->__writeDataAndVerify(0x10, 6, delta_freq);
-    this->__writeDataAndVerify(0x16, 4, upd_rate_clk);
-    this->__writeDataAndVerify(0x1A, 3, ramp_rate_clk);
-    this->__writeDataAndVerify(0x1D, 4, control_reg);
-    this->wrAmplitudeI(amplitudeI);
-    this->wrAmplitudeQ(amplitudeQ);
-    this->__writeDataAndVerify(0x25, 1, ampl_ramp_rate);
-    this->__writeDataAndVerify(0x26, 2, qdac, screen);
-    
-    sts = this->enableRF();
-    
-    return sts;
-    
-    }
-
-bool DDS::wasInitialized(){
-    
-    return this->isConfig;
-}
\ No newline at end of file