2018-03-22 14:51:00 +00:00
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#include <unistd.h>
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#include "librpitx/src/librpitx.h"
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#include "stdio.h"
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#include <cstring>
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#include <signal.h>
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bool running=true;
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#define PROGRAM_VERSION "0.1"
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void SimpleTestFileIQ(uint64_t Freq)
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{
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}
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void print_usage(void)
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{
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fprintf(stderr,\
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"\nsendiq -%s\n\
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Usage:\nsendiq [-i File Input][-s Samplerate][-l] [-f Frequency] [-h] \n\
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-i path to File Input \n\
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-s SampleRate 10000-250000 \n\
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-f float central frequency Hz(50 kHz to 1500 MHz),\n\
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-l loop mode for file input\n\
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-h help (this help).\n\
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\n",\
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PROGRAM_VERSION);
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} /* end function print_usage */
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static void
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terminate(int num)
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{
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running=false;
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fprintf(stderr,"Caught signal - Terminating\n");
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}
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int main(int argc, char* argv[])
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{
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int a;
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int anyargs = 0;
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float SetFrequency=434e6;
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float SampleRate=48000;
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bool loop_mode_flag=false;
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char* FileName=NULL;
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while(1)
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{
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a = getopt(argc, argv, "i:f:s:hl");
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if(a == -1)
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{
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if(anyargs) break;
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else a='h'; //print usage and exit
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}
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anyargs = 1;
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switch(a)
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{
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case 'i': // File name
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FileName = optarg;
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break;
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case 'f': // Frequency
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SetFrequency = atof(optarg);
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break;
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case 's': // SampleRate (Only needeed in IQ mode)
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SampleRate = atoi(optarg);
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break;
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case 'h': // help
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print_usage();
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exit(1);
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break;
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case 'l': // loop mode
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loop_mode_flag = true;
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break;
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case -1:
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break;
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case '?':
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if (isprint(optopt) )
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{
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fprintf(stderr, "sendiq: unknown option `-%c'.\n", optopt);
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}
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else
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{
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fprintf(stderr, "sendiq: unknown option character `\\x%x'.\n", optopt);
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}
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print_usage();
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exit(1);
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break;
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default:
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print_usage();
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exit(1);
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break;
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}/* end switch a */
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}/* end while getopt() */
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for (int i = 0; i < 64; i++) {
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struct sigaction sa;
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std::memset(&sa, 0, sizeof(sa));
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sa.sa_handler = terminate;
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sigaction(i, &sa, NULL);
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}
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FILE *iqfile=NULL;
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iqfile=fopen(FileName ,"rb");
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if (iqfile==NULL) printf("input file issue\n");
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#define IQBURST 1280
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int SR=48000;
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int FifoSize=512;
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iqdmasync iqtest(SetFrequency,SampleRate,14,FifoSize);
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short IQBuffer[IQBURST*2];
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std::complex<float> CIQBuffer[IQBURST];
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while(running)
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{
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int nbread=fread(IQBuffer,sizeof(short),IQBURST*2,iqfile);
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if(nbread>0)
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{
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for(int i=0;i<nbread/2;i++)
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{
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CIQBuffer[i]=std::complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0);
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}
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2018-03-26 12:50:43 +00:00
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iqtest.SetIQSamples(CIQBuffer,nbread/2,1);
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2018-03-22 14:51:00 +00:00
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}
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else
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{
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printf("End of file\n");
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if(loop_mode_flag)
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fseek ( iqfile , 0 , SEEK_SET );
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else
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running=0;
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}
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}
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iqtest.stop();
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}
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