int main(int argc, char **argv){
/* Burst count */
int i;
/* Print error, if rp_Init() function failed */
if(rp_Init() != RP_OK){
fprintf(stderr, "Rp api init failed!\n");
}
rp_GenFreq(RP_CH_1, 100);
rp_GenAmp(RP_CH_1, 1.0);
rp_GenWaveform(RP_CH_1, RP_WAVEFORM_SINE);
/* Enable output channel */
rp_GenOutEnable(RP_CH_1);
for(i = 0; i < 100; i++){
usleep(200000);
rp_GenBurstCount(RP_CH_1, 1);
usleep(200000);
rp_GenMode(RP_CH_1, RP_GEN_MODE_BURST);
}
/*
usleep(50000000);
rp_GenBurstCount(channel, 1);
rp_GenMode(channel, gen_mode);
usleep(5000000);
*/
/* Releasing resources */
rp_Release();
}
int main(int argc, char **argv){
/* Print error, if rp_Init() function failed */
if(rp_Init() != RP_OK){
fprintf(stderr, "Rp api init failed!\n");
}
/*LOOB BACK FROM OUTPUT 2 - ONLY FOR TESTING*/
rp_GenReset();
rp_GenFreq(RP_CH_1, 20000.0);
rp_GenAmp(RP_CH_1, 1.0);
rp_GenWaveform(RP_CH_1, RP_WAVEFORM_SINE);
rp_GenOutEnable(RP_CH_1);
uint32_t buff_size = 16384;
float *buff = (float *)malloc(buff_size * sizeof(float));
rp_AcqReset();
rp_AcqSetDecimation(1);
rp_AcqSetTriggerLevel(0.1); //Trig level is set in Volts while in SCPI
rp_AcqSetTriggerDelay(0);
rp_AcqStart();
/* After acquisition is started some time delay is needed in order to acquire fresh samples in to buffer*/
/* Here we have used time delay of one second but you can calculate exact value taking in to account buffer*/
/*length and smaling rate*/
sleep(1);
rp_AcqSetTriggerSrc(RP_TRIG_SRC_CHA_PE);
rp_acq_trig_state_t state = RP_TRIG_STATE_TRIGGERED;
while(1){
rp_AcqGetTriggerState(&state);
if(state == RP_TRIG_STATE_TRIGGERED){
sleep(1);
break;
}
rp_AcqGetOldestDataV(RP_CH_1, &buff_size, buff);
int i;
for(i = 0; i < buff_size; i++){
printf("%f\n", buff[i]);
}
/* Releasing resources */
free(buff);
rp_Release();
return 0;
}
}
void setup_output()
{
/* Generating frequency */
rp_GenFreq(RP_CH_2, 0.0);
/* Generating amplitude */
rp_GenAmp(RP_CH_2, 0.0);
/* Generating wave form */
rp_GenWaveform(RP_CH_2, RP_WAVEFORM_DC );
rp_GenOutEnable(RP_CH_2);
}
int main(int argc, char **argv){
/* Burst count */
/* Print error, if rp_Init() function failed */
if(rp_Init() != RP_OK){
fprintf(stderr, "Rp api init failed!\n");
}
rp_GenWaveform(RP_CH_1, RP_WAVEFORM_SINE);
rp_GenFreq(RP_CH_1, 1000);
rp_GenAmp(RP_CH_1, 1.0);
rp_GenMode(RP_CH_1, RP_GEN_MODE_BURST);
rp_GenBurstCount(RP_CH_1, 1);
rp_GenBurstRepetitions(RP_CH_1, 10000);
rp_GenBurstPeriod(RP_CH_1, 5000);
rp_GenTrigger(1);
sleep(1);
rp_GenOutEnable(RP_CH_1);
rp_Release();
}
int main(int argc, char **argv){
/* Print error, if rp_Init() function failed */
if(rp_Init() != RP_OK){
fprintf(stderr, "Rp api init failed!\n");
}
/* Generating frequency */
rp_GenFreq(RP_CH_1, 10000.0);
/* Generating amplitude */
rp_GenAmp(RP_CH_1, 1.0);
/* Generating wave form */
rp_GenWaveform(RP_CH_1, RP_WAVEFORM_SINE);
/* Enable channel */
rp_GenOutEnable(RP_CH_1);
/* Releasing resources */
rp_Release();
return 0;
}
void *Read_CT_Data(void *arg)
{
rp_pinState_t heart_beat_state;
uint32_t buff_size = RP_BUF_SIZE;
uint32_t trig_pos;
float *buff_ch1 = (float *)malloc(buff_size * sizeof(float));
float *buff_ch2 = (float *)malloc(buff_size * sizeof(float));
float val_sum_ch1,val_sum_ch2,val_ch1,val_ch2;
float tmp_val_ch1, tmp_val_ch2;
float charge_ch1;
float charge_ch2;
int counter;
clock_t start_time, diff;
int msec;
int endpoints;
int startpoints;
val_sum_ch1=0;
counter=0;
msec=0;
new_data=0;
/* Print error, if rp_Init() function failed */
if(rp_Init() != RP_OK)
{
fprintf(stderr, "Rp api init failed!n");
}
setup_output();
//rp_AcqSetDecimation(RP_DEC_8 );
rp_AcqSetSamplingRate(RP_SMP_125M);
//rp_AcqSetSamplingRate(RP_SMP_15_625M);
rp_AcqSetTriggerLevel(trig_level); //Trig level is set in Volts while in SCPI is set in mV
rp_AcqSetTriggerDelayNs(0);
//rp_AcqSetTriggerDelay(0);
rp_AcqSetAveraging(true);
rp_AcqStart();
//rp_AcqSetTriggerSrc(RP_TRIG_SRC_EXT_PE);
//rp_AcqSetTriggerSrc(RP_TRIG_SRC_CHA_NE); // Trig on signal
rp_AcqSetTriggerSrc(trig_source);
rp_acq_trig_state_t state = RP_TRIG_STATE_TRIGGERED;
// Get clock
start_time = clock();
rp_DpinSetDirection ( RP_LED4, RP_OUT);
rp_DpinSetDirection ( RP_LED3, RP_OUT);
rp_DpinSetDirection ( RP_DIO1_P, RP_OUT);
rp_AcqStart();
//Clear count_table
count_table[0]=0;
free_counter=0;
heart_beat_state=RP_LOW;
while(1)
{
// Wait for trig
while(1)
{
diff=clock()-start_time;
msec=diff*1000/CLOCKS_PER_SEC;
rp_AcqGetTriggerState(&state);
if(state == RP_TRIG_STATE_TRIGGERED)
{
usleep(10);
triggered=1;
break;
}
if (msec>2000)
{
rp_AcqStart();
rp_AcqSetTriggerSrc(trig_source);
rp_GenAmp(RP_CH_2, 0);
triggered=0;
printf("No trig for 2 s... Set output analog output to zero");
}
}
// Get data
rp_DpinSetState( RP_LED4, RP_HIGH);
rp_AcqGetWritePointerAtTrig(&trig_pos);
//printf("Trig pos: %d", trig_pos);
// Check if trig_pos is too close to buffer start/end
if ((trig_pos+num_data_points_after_trig)>(RP_BUF_SIZE-1))
{
endpoints=(RP_BUF_SIZE-1)-(trig_pos-num_data_points_before_trig);
startpoints=num_data_points_after_trig-((RP_BUF_SIZE-1)-trig_pos);
rp_AcqGetDataPosV(RP_CH_1,0,(RP_BUF_SIZE-1),buff_ch1,&buff_size); // Get entire buffer
rp_AcqGetDataPosV(RP_CH_2,0,(RP_BUF_SIZE-1),buff_ch2,&buff_size); // Get entire buffer
val_ch1=integrated_charge(buff_ch1,((RP_BUF_SIZE-1)-endpoints),(RP_BUF_SIZE-1));
tmp_val_ch1=integrated_charge(buff_ch1,0,startpoints);
val_ch2=integrated_charge(buff_ch2,((RP_BUF_SIZE-1)-endpoints),(RP_BUF_SIZE-1));
tmp_val_ch2=integrated_charge(buff_ch2,0,startpoints);
val_ch1=val_ch1+tmp_val_ch1;
val_ch2=val_ch2+tmp_val_ch2;
//Debug
//printf("High Ring Buffer overflow\n");
//printf("ch1: %f ch2: %f\n",val_ch1,val_ch2);
//printf("Trig pos: %d end %d start %d\n", trig_pos, endpoints, startpoints);
}
else if ((trig_pos-num_data_points_before_trig)<0)
{
endpoints=(trig_pos-num_data_points_before_trig);
startpoints=num_data_points_after_trig-endpoints;
rp_AcqGetDataPosV(RP_CH_1,0,(RP_BUF_SIZE-1),buff_ch1,&buff_size); // Get entire buffer
rp_AcqGetDataPosV(RP_CH_2,0,(RP_BUF_SIZE-1),buff_ch2,&buff_size); // Get entire buffer
val_ch1=integrated_charge(buff_ch1,((RP_BUF_SIZE-1)-endpoints),(RP_BUF_SIZE-1));
tmp_val_ch1=integrated_charge(buff_ch1,0,startpoints);
val_ch2=integrated_charge(buff_ch2,((RP_BUF_SIZE-1)-endpoints),(RP_BUF_SIZE-1));
tmp_val_ch2=integrated_charge(buff_ch2,0,startpoints);
val_ch1=val_ch1+tmp_val_ch1;
val_ch2=val_ch2+tmp_val_ch2;
//Debug
printf("Low Ring Buffer underrun\n");
printf("ch1: %f ch2: %f\n",val_ch1,val_ch2);
printf("Trig pos: %d end %d start %d\n", trig_pos, endpoints, startpoints);
}
else
{
rp_AcqGetDataPosV(RP_CH_1,(trig_pos-num_data_points_before_trig),(trig_pos+num_data_points_after_trig),buff_ch1,&buff_size);
rp_AcqGetDataPosV(RP_CH_2,(trig_pos-num_data_points_before_trig),(trig_pos+num_data_points_after_trig),buff_ch2,&buff_size);
val_ch1=integrated_charge(buff_ch1,0,(num_data_points_after_trig+num_data_points_before_trig));
val_ch2=integrated_charge(buff_ch2,0,(num_data_points_after_trig+num_data_points_before_trig));
}
val_sum_ch1=val_sum_ch1+val_ch1;
val_sum_ch2=val_sum_ch2+val_ch2;
counter++;
charge[0]=val_ch1+val_ch2;
//rp_DpinSetState( RP_DIO1_P, RP_HIGH);
//usleep(20);
//rp_DpinSetState( RP_DIO1_P, RP_LOW);
// Update data each s, 1050 ms to make sure the buffers update even @ 1 Hz trigger rate
if (msec>1050)
{
start_time = clock();
charge_ch1=(val_sum_ch1/(counter-1));
charge_ch2=(val_sum_ch2/(counter-1));
pthread_mutex_lock( &mutex1 );
charge[1]=charge_ch1+charge_ch2;
// Update table of volt & counters for sec 1-9
for (int i=9;i>1;i--)
{
count_table[i]=count_table[i-1]+counter;
charge[i]=charge[i-1]+charge[1];
}
count_table[1]=counter;
charge[1]=charge[1];
printf("\nNo of Triggers: %d, Time betweem (msec): %d\n", count_table[1], msec);
/* Generating amplitude */
//Check if overflow for the DAC
if (charge[1]<1)
{
rp_GenAmp(RP_CH_2, charge[1]);
}
else
{
rp_GenAmp(RP_CH_2, 1);
}
printf("Charge: %f nC, Charge Ch1: %f nC, Charge Ch2: %f nC\n",charge[1], charge_ch1,charge_ch2);
fflush(stdout);
val_sum_ch1=0;
val_sum_ch2=0;
counter=0;
free_counter++;
// Digital output heartbeat
rp_DpinGetState(RP_DIO1_P, &heart_beat_state);
if (heart_beat_state==RP_LOW)
{
rp_DpinSetState( RP_DIO1_P, RP_HIGH);
}
else
{
rp_DpinSetState( RP_DIO1_P, RP_LOW);
}
// Get FPGA temp
rp_HealthGetValue(RP_TEMP_FPGA, &fpga_temp);
printf("FPGA temp: %.01f C\n",fpga_temp);
}
new_data=1;
pthread_mutex_unlock( &mutex1 );
rp_AcqStart();
rp_AcqSetTriggerSrc(trig_source);
rp_DpinSetState( RP_LED4, RP_LOW);
}
/* Releasing resources */
fflush(stdout);
free(buff_ch1);
free(buff_ch2);
rp_Release();
return NULL;
}
