X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/rigol/blobdiff_plain/58a9e2764568da62bbb285f8892d68d028674d4a..7df76f49adf30ac260c99649678b084c9b6c282b:/rigol.c diff --git a/rigol.c b/rigol.c index ebf01fb..06ebacb 100644 --- a/rigol.c +++ b/rigol.c @@ -8,7 +8,6 @@ rmmod uhci_hcd; modprobe uhci_hcd (or alternately: use ohci_hcd) if that happens and you should be fine. */ -#include #include #include #include @@ -23,9 +22,8 @@ rmmod uhci_hcd; modprobe uhci_hcd #include #include -#include "usbtmc.h" -#include "png.h" - +#include "scope.h" +#include "commands.h" #define MIN(a,b) (((a)<(b))?(a):(b)) @@ -85,163 +83,6 @@ void add_history (char *buf) } #endif - -void do_plot (struct usb_dev_handle *sc) -{ - unsigned char ch1[1024], ch2[1024]; - int i, l; - - static FILE *gnuplot=NULL; - FILE *fp; - - l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024); - - if (l != 1024) { - printf ("hmm. didnt' get 1024 bytes. \n"); - } - - l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANNEL2", ch2, 1024); - - if (l != 1024) { - printf ("hmm. didnt' get 1024 bytes. \n"); - } - - if (!gnuplot) { - gnuplot = popen ("gnuplot", "w"); - } - - fp = fopen ("temp.dat", "w"); - for (i=0xd4;i<0x32c;i++) - //for (i=0;i<0x400;i++) - fprintf (fp, "%d %d\n", 255 - ch1[i], 255 - ch2[i]); - fclose (fp); - - fprintf (gnuplot, "plot 'temp.dat' using 1 with lines, 'temp.dat' using 2 with lines\n"); - fflush (gnuplot); -} - - -#define ERROR -1e100 - -double get_float_from_scope (struct usb_dev_handle *sc, char *var) -{ - unsigned char buf[1024]; - double temp; - int l; - - l = usbtmc_sendscpi(sc, var, buf, 1024); - if (l > 0) { - sscanf ((char*)buf, "%lf", &temp); - return temp; - } - return ERROR; -} - - -void do_get_buf (struct usb_dev_handle *sc) -{ - FILE *fp; - int i, j, l, bp; - char buf[1024]; - unsigned char ch1[1024]; - unsigned char data[512*1024]; - double sampfreq; - - usbtmc_sendscpi (sc, ":STOP", NULL, 0); - - sampfreq = get_float_from_scope (sc, ":ACQ:SAMP?"); - - printf ("Got sampling freq: %g\n", sampfreq); - - sprintf (buf, ":TIM:SCAL %.15f", 50 / sampfreq); - printf ("sending scale cmd: %s\n", buf); - usbtmc_sendscpi (sc, buf, NULL, 0); - - sleep (1); - - bp=0; - for (i=-254*1024;i< 254*1024;i += 600) { - sprintf (buf, ":TIM:OFFSET %.15f", i / sampfreq); - printf ("Sending offset cmd: %s\n", buf); - usbtmc_sendscpi (sc, buf, NULL, 0); - - l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024); - - if (l != 1024) { - printf ("hmm. didnt' get 1024 bytes. \n"); - } - - for (j=0;j<600;j++) - data[bp++] = ch1[j+0xd4]; - } - printf ("Got %d bytes of data. \n", bp); - - fp = fopen ("ch1.dump", "w"); - fwrite (data, bp, 1, fp); - fclose (fp); - - usbtmc_sendscpi (sc, ":TIM:OFFSET 0", NULL, 0); -} - -void do_get_screen(struct usb_dev_handle *sc) -{ - unsigned char screen[320*234]; - time_t lt; - char filename[256]; - unsigned char *png; - int imglen; - int ret; - int l; - int fd; - pid_t display; - - /* Hide "RMT" from screen */ - l = usbtmc_sendscpi(sc, ":KEY:LOCK DISABLE", NULL, 0); - usleep(20000); - - l = usbtmc_sendscpi(sc, ":LCD:DATA?", screen, sizeof(screen)); - - if (l != sizeof(screen)) { - printf ("hmm. didnt' get %d bytes, but %d\n\n", sizeof(screen), l); - } - - png = lcd2png(screen, &imglen); - - lt = time(NULL); - strftime(filename, sizeof(filename), "screen_%Y%m%d-%H%M%S.png", localtime(<)); - fd=open(filename, O_CREAT|O_WRONLY, 0644); - if (fd == -1) { - perror("open"); - exit(EXIT_FAILURE); - } - - while(imglen > 0) { - ret = write(fd, png, imglen); - if (ret == -1) { - perror("write"); - exit(EXIT_FAILURE); - } - imglen -= ret; - } - close(fd); - free(png); - - printf("Waveform saved as %s\n", filename); - - display = fork(); - switch(display) { - case 0: - execlp("display", "display", filename, NULL); - exit(0); - break; - case -1: - perror("fork"); - break; - default: - break; - } -} - void child_reaper(int sig) { pid_t child; @@ -254,14 +95,15 @@ void child_reaper(int sig) int main(int argc, char **argv) { - struct usb_dev_handle *sc; + struct scope *sc; char *scpi; unsigned char *buff; int l; struct sigaction act; //Initialize scope - sc = usbtmc_initscope(); + sc = initscope(); + claimscope(sc); buff = malloc (1024*1024); if (buff == NULL) { perror("malloc"); @@ -293,11 +135,15 @@ int main(int argc, char **argv) continue; } if (strncmp (scpi, "databuf", 7) == 0) { - do_get_buf (sc); + do_get_buf(sc); continue; } if (strncmp (scpi, "screen", 6) == 0) { - do_get_screen (sc); + do_get_screen(sc); + continue; + } + if (strncmp (scpi, "display", 7) == 0) { + do_display_screen(sc); continue; } @@ -306,21 +152,17 @@ int main(int argc, char **argv) //printb (scpi, l+2); if (strchr (scpi, '?')) { //printf ("Expecting reply\n"); - l = usbtmc_sendscpi(sc, scpi, buff, 1024*1024); + l = sendscpi(sc, scpi, buff, 1024*1024); //printf ("Got replylen = %d.\n", l); buff[l] = 0; //zero-terminate printb (buff, l); } else { //printf ("No reply expected\n"); - l=usbtmc_sendscpi(sc,scpi,NULL,0); + l=sendscpi(sc,scpi,NULL,0); } free (scpi); } - //Disable keylock, so the user doesn't have to press the 'force'-button - l=usbtmc_sendscpi(sc, ":KEY:LOCK DISABLE",NULL,0); - - //Free up and exit - usb_release_interface(sc,0); - usb_close(sc); + releasescope(sc); + closescope(sc); return 0; }