kopia lustrzana https://github.com/F5OEO/rpitx
145 wiersze
2.8 KiB
C++
145 wiersze
2.8 KiB
C++
#include <unistd.h>
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#include <librpitx/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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#include <stdlib.h>
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bool running=true;
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#define PROGRAM_VERSION "0.1"
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void print_usage(void)
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{
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fprintf(stderr,\
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"\ntune -%s\n\
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Usage:\ntune [-f Frequency] [-h] \n\
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-f float frequency carrier Hz(50 kHz to 1500 MHz),\n\
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-e exit immediately without killing the carrier,\n\
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-p set clock ppm instead of ntp adjust\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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dbg_setlevel(1);
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bool NotKill=false;
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bool ppmSet = false;
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float ppm = 0.0f;
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char * endptr = NULL;
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while(1)
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{
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a = getopt(argc, argv, "f:ehp:");
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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 'f': // Frequency
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SetFrequency = strtof(optarg, &endptr);
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if (endptr == optarg || SetFrequency <= 0.0f || SetFrequency == HUGE_VALF) {
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fprintf(stderr, "tune: not a valid frequency - '%s'", optarg);
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exit(1);
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}
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break;
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case 'e': //End immediately
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NotKill=true;
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break;
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case 'p': //ppm
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ppm = strtof(optarg, &endptr);
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if (endptr == optarg || ppm <= 0.0f || ppm == HUGE_VALF) {
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fprintf(stderr, "tune: not a valid ppm - '%s'", optarg);
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exit(1);
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}
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ppmSet = true;
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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 -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, "tune: unknown option `-%c'.\n", optopt);
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}
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else
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{
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fprintf(stderr, "tune: 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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generalgpio gengpio;
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gengpio.setpulloff(4);
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padgpio pad;
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pad.setlevel(7);
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clkgpio *clk=new clkgpio;
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clk->SetAdvancedPllMode(true);
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if(ppmSet) //ppm is set else use ntp
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clk->Setppm(ppm);
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clk->SetCenterFrequency(SetFrequency,10);
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clk->SetFrequency(000);
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clk->enableclk(4);
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//clk->enableclk(6);//CLK2 : experimental
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//clk->enableclk(20);//CLK1 duplicate on GPIO20 for more power ?
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if(!NotKill)
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{
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while(running)
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{
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sleep(1);
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}
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clk->disableclk(4);
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clk->disableclk(20);
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delete(clk);
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}
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else
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{
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//Ugly method : not destroying clk object will not call destructor thus leaving clk running
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}
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}
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