export reset functionality

[rigol] / commands.c

diff --git a/commands.c b/commands.c
index 498690240602c3a3c86c92482531c486a9eeba28..1b243a2ed41392f448bc8e51dbde4cf9b16721bc 100644 (file)
--- a/commands.c
+++ b/commands.c
@@ -1,15 +1,16 @@
-#include <usb.h>
 #include <stdio.h>
 #include <time.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
 
 #include "png.h"
-#include "usbtmc.h"
+#include "scope.h"
 #include "commands.h"
 
-void do_plot (struct usb_dev_handle *sc)
+void do_plot (struct scope *sc)
 {
        unsigned char ch1[1024], ch2[1024];
        int i, l;
@@ -17,13 +18,13 @@ void do_plot (struct usb_dev_handle *sc)
        static FILE *gnuplot=NULL;
        FILE *fp;
 
-       l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024);
+       l = 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);
+       l = sendscpi(sc, ":WAV:DATA? CHANNEL2", ch2, 1024);
 
        if (l != 1024) {
                printf ("hmm. didnt' get 1024 bytes. \n"); 
@@ -46,13 +47,13 @@ void do_plot (struct usb_dev_handle *sc)
 
 #define ERROR -1e100
 
-static double get_float_from_scope (struct usb_dev_handle *sc, char *var)
+static double get_float_from_scope (struct scope *sc, char *var)
 {
        unsigned char buf[1024];
        double temp;
        int l;
 
-       l = usbtmc_sendscpi(sc, var, buf, 1024);
+       l = sendscpi(sc, var, buf, 1024);
        if (l > 0) {
                sscanf ((char*)buf, "%lf", &temp); 
                return temp;
@@ -61,7 +62,7 @@ static double get_float_from_scope (struct usb_dev_handle *sc, char *var)
 }
 
 
-void do_get_buf (struct usb_dev_handle *sc)
+void do_get_buf (struct scope *sc)
 {
        FILE *fp;
        int i, j, l, bp;
@@ -70,7 +71,7 @@ void do_get_buf (struct usb_dev_handle *sc)
        unsigned char data[512*1024];
        double sampfreq;
 
-       usbtmc_sendscpi (sc, ":STOP", NULL, 0); 
+       sendscpi (sc, ":STOP", NULL, 0); 
 
        sampfreq = get_float_from_scope (sc, ":ACQ:SAMP?");
 
@@ -78,7 +79,7 @@ void do_get_buf (struct usb_dev_handle *sc)
 
        sprintf (buf, ":TIM:SCAL %.15f", 50 / sampfreq);
        printf ("sending scale cmd: %s\n", buf); 
-       usbtmc_sendscpi (sc, buf, NULL, 0);
+       sendscpi (sc, buf, NULL, 0);
 
        sleep (1);
 
@@ -86,9 +87,9 @@ void do_get_buf (struct usb_dev_handle *sc)
        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);
+               sendscpi (sc, buf, NULL, 0);
 
-               l = usbtmc_sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024);
+               l = sendscpi(sc, ":WAV:DATA? CHANEL1", ch1, 1024);
 
                if (l != 1024) {
                        printf ("hmm. didnt' get 1024 bytes. \n"); 
@@ -103,23 +104,26 @@ void do_get_buf (struct usb_dev_handle *sc)
        fwrite (data, bp, 1, fp);
        fclose (fp); 
 
-       usbtmc_sendscpi (sc, ":TIM:OFFSET 0", NULL, 0);
+       sendscpi (sc, ":TIM:OFFSET 0", NULL, 0);
 }
 
-static unsigned char* get_lcd(struct usb_dev_handle *sc, int *imglen)
+unsigned char* get_lcd(struct scope *sc, int *imglen, int keylock)
 {
        unsigned char screen[320*234];
        unsigned char *png;
        int l;
 
-       /* Hide "RMT" from screen */
-       l = usbtmc_sendscpi(sc, ":KEY:LOCK DISABLE", NULL, 0); 
-       usleep(20000);
+       if (keylock) {
+               /* Hide "RMT" from screen */
+               l = sendscpi(sc, ":KEY:LOCK DISABLE", NULL, 0); 
+               usleep(30000);
+       }
 
-       l = usbtmc_sendscpi(sc, ":LCD:DATA?", screen, sizeof(screen));
+       l = sendscpi(sc, ":LCD:DATA?", screen, sizeof(screen));
 
        if (l != sizeof(screen)) {
-               printf ("hmm. didnt' get %d bytes, but %d\n\n", sizeof(screen), l); 
+               printf ("hmm. didnt' get %d bytes, but %d\n\n", (int)sizeof(screen), l); 
+               return NULL;
        }
 
        png = lcd2png(screen, imglen);
@@ -127,7 +131,7 @@ static unsigned char* get_lcd(struct usb_dev_handle *sc, int *imglen)
        return png;
 }
 
-void do_get_screen(struct usb_dev_handle *sc)
+void do_get_screen(struct scope *sc)
 {
        time_t lt;
        char filename[256];
@@ -137,7 +141,7 @@ void do_get_screen(struct usb_dev_handle *sc)
        int fd;
        pid_t display;
 
-       png = get_lcd(sc, &imglen);
+       png = get_lcd(sc, &imglen, 1);
        if (png == NULL) {
                perror("get_lcd");
                return;
@@ -178,7 +182,7 @@ void do_get_screen(struct usb_dev_handle *sc)
        }
 }
 
-void do_display_screen(struct usb_dev_handle *sc)
+void do_display_screen(struct scope *sc)
 {
        unsigned char *png;
        int imglen;
@@ -186,7 +190,7 @@ void do_display_screen(struct usb_dev_handle *sc)
        int pipefd[2];
        pid_t display;
 
-       png = get_lcd(sc, &imglen);
+       png = get_lcd(sc, &imglen, 1);
        if (png == NULL) {
                perror("get_lcd");
                return;
@@ -224,4 +228,3 @@ void do_display_screen(struct usb_dev_handle *sc)
                        break;
        }
 }
-