#include <strings.h>
#include <unistd.h>
#include <signal.h>
+#include <stdarg.h>
#include "scope.h"
#include "commands.h"
return 0;
}
-static int send_text(int s, char *buf)
+static int send_text(int s, char *fmt, ...)
{
- return send_binary(s, buf, strlen(buf));
+ va_list argp;
+ char buf[4096];
+ int cnt;
+
+ va_start(argp, fmt);
+ cnt = vsnprintf(buf, sizeof(buf), fmt, argp);
+ va_end(argp);
+
+ if (cnt < 0)
+ return cnt;
+
+ return send_binary(s, buf, cnt);
+}
+
+static int send_command_output(int s, struct scope *sc, char *cmd)
+{
+ unsigned char buf[1024*1024];
+ int res;
+
+ res = sendscpi(sc, cmd, buf, sizeof(buf));
+ send_binary(s, (char*)buf, res);
+
+ return res;
}
static void serve_index(int s, struct scope *sc, char *param)
{
+ int i;
+ struct channel_s *ch;
+
send_text(s, "HTTP/1.0 200 OK\n");
send_text(s, "Content-type: text/html\n\n");
- send_text(s, "<html><head><title>");
- send_text(s, scope_idn(sc));
- send_text(s, "</title></head><body bgcolor=\"#ffffff\" text=\"#000000\">\n");
+ send_text(s, "<html><head><title>%s</title></head><body bgcolor=\"#ffffff\" text=\"#000000\">\n", scope_idn(sc));
send_text(s, "<img src=\"/cgi-bin/lcd\" height=\"234\" width=\"320\">\n");
+ send_text(s, "<br>\n");
+
+ claimscope(sc);
+ update_scope_status(sc);
+ releasescope(sc);
+
+ send_text(s, "System: Language: %s, Counter: %d, Beep: %d<br><br>\n",
+ sc->status.system.lang,
+ sc->status.system.counter_enabled,
+ sc->status.system.beep_enabled);
+
+ send_text(s, "Keyboard: Key Lock: %d<br><br>\n",
+ sc->status.keyboard.key_lock);
+
+ send_text(s, "Measure: Source: %s, Total: %d<br>\n",
+ sc->status.measure.source,
+ sc->status.measure.total);
+
+ send_text(s, "Measure CH1:<br>\n");
+ send_text(s, "VPP: %lg, VMAX: %lg, VMIN: %lg, VAMPLITUDE: %lg, VTOP: %lg, VBASE: %lg, VAVERAGE: %lg, VRMS: %lg<br>\n",
+ sc->status.measure.ch1.vpp,
+ sc->status.measure.ch1.vmax,
+ sc->status.measure.ch1.vmin,
+ sc->status.measure.ch1.vamplitude,
+ sc->status.measure.ch1.vtop,
+ sc->status.measure.ch1.vbase,
+ sc->status.measure.ch1.vaverage,
+ sc->status.measure.ch1.vrms);
+
+ send_text(s, "Overshoot: %lg, Preshoot: %lg<br>\n",
+ sc->status.measure.ch1.overshoot,
+ sc->status.measure.ch1.preshoot);
+
+ send_text(s, "Frequency: %lg, Risetime: %lg, Falltime: %lg<br>\n",
+ sc->status.measure.ch1.frequency,
+ sc->status.measure.ch1.risetime,
+ sc->status.measure.ch1.falltime);
+
+ send_text(s, "Period: %lg, Pwidth: %lg, Nwidth: %lg, Pdutycycle: %lg, Ndutycycle: %lg<br>\n",
+ sc->status.measure.ch1.period,
+ sc->status.measure.ch1.pwidth,
+ sc->status.measure.ch1.nwidth,
+ sc->status.measure.ch1.pdutycycle,
+ sc->status.measure.ch1.ndutycycle);
+
+ send_text(s, "Pdelay: %lg, Ndelay: %lg<br>\n",
+ sc->status.measure.ch1.pdelay,
+ sc->status.measure.ch1.ndelay);
+
+ send_text(s, "Measure CH2:<br>\n");
+ send_text(s, "VPP: %lg, VMAX: %lg, VMIN: %lg, VAMPLITUDE: %lg, VTOP: %lg, VBASE: %lg, VAVERAGE: %lg, VRMS: %lg<br>\n",
+ sc->status.measure.ch2.vpp,
+ sc->status.measure.ch2.vmax,
+ sc->status.measure.ch2.vmin,
+ sc->status.measure.ch2.vamplitude,
+ sc->status.measure.ch2.vtop,
+ sc->status.measure.ch2.vbase,
+ sc->status.measure.ch2.vaverage,
+ sc->status.measure.ch2.vrms);
+
+ send_text(s, "Overshoot: %lg, Preshoot: %lg<br>\n",
+ sc->status.measure.ch2.overshoot,
+ sc->status.measure.ch2.preshoot);
+
+ send_text(s, "Frequency: %lg, Risetime: %lg, Falltime: %lg<br>\n",
+ sc->status.measure.ch2.frequency,
+ sc->status.measure.ch2.risetime,
+ sc->status.measure.ch2.falltime);
+
+ send_text(s, "Period: %lg, Pwidth: %lg, Nwidth: %lg, Pdutycycle: %lg, Ndutycycle: %lg<br>\n",
+ sc->status.measure.ch2.period,
+ sc->status.measure.ch2.pwidth,
+ sc->status.measure.ch2.nwidth,
+ sc->status.measure.ch2.pdutycycle,
+ sc->status.measure.ch2.ndutycycle);
+
+ send_text(s, "Pdelay: %lg, Ndelay: %lg<br>\n",
+ sc->status.measure.ch2.pdelay,
+ sc->status.measure.ch2.ndelay);
+
+ send_text(s, "<br>Acquire: Type: %s, Mode: %s, Averages: %d, CH1: %.10lg samples/s, CH2: %.10lg samples/s<br>\n",
+ sc->status.acquire.type,
+ sc->status.acquire.mode,
+ sc->status.acquire.averages,
+ sc->status.acquire.srate_ch1,
+ sc->status.acquire.srate_ch2);
+
+ send_text(s, "<br>Display: Type: %s, Grid: %s, Persist: %d, MNUDisplay: %s, MNUStatus: %d, Screen: %s, Brightness: %d, Intensity: %d<br><br>\n",
+ sc->status.display.type,
+ sc->status.display.grid,
+ sc->status.display.persist,
+ sc->status.display.mnudisplay,
+ sc->status.display.mnustatus,
+ sc->status.display.screen,
+ sc->status.display.brightness,
+ sc->status.display.intensity);
+
+ for (i = 1; i <= 2; i++) {
+ if (i == 1) {
+ ch = &(sc->status.channel.ch1);
+ } else {
+ ch = &(sc->status.channel.ch2);
+ }
+ send_text(s, "Channel %d: ", i);
+
+ send_text(s, "BWLimit: %d, Coupling: %s, Displayed: %d, Inverted: %d, Offset: %lg, Probe: %lgX, Scale: %lg, Filter: %d, Memory Depth: %d, Vernier: %s<br>\n",
+ ch->bwlimit_enabled,
+ ch->coupling,
+ ch->displayed,
+ ch->inverted,
+ ch->offset,
+ ch->probe,
+ ch->scale,
+ ch->filter_enabled,
+ ch->memory_depth,
+ ch->vernier);
+ }
+
+ send_text(s, "<br>Horizontal: Mode: %s, Offset: %lg, Delayed Offset: %lg, Scale: %lg, Format: %s<br>\n",
+ sc->status.timebase.mode,
+ sc->status.timebase.offset,
+ sc->status.timebase.delayed_offset,
+ sc->status.timebase.scale,
+ sc->status.timebase.format);
+
+ send_text(s, "<br>Math: Math Displayed: %d, FFT Displayed: %d<br>\n",
+ sc->status.math.displayed,
+ sc->status.fft.displayed);
+
+ send_text(s, "<br>Data: ");
+ send_text(s, "<a href=\"/cgi-bin/data?CHAN1\">Channel 1</a> ");
+ send_text(s, "<a href=\"/cgi-bin/data?CHAN2\">Channel 2</a> ");
+ send_text(s, "<a href=\"/cgi-bin/data?DIG\">Digital</a> ");
+ send_text(s, "<a href=\"/cgi-bin/data?MATH\">Math</a> ");
+ send_text(s, "<a href=\"/cgi-bin/data?FFT\">FFT</a><br>");
+
send_text(s, "<br>\n");
send_text(s, "<form method=\"get\" action=\"\">\n");
send_text(s, "<input type=\"text\" name=\"cmd\" value=\"");
send_text(s, "\">\n");
send_text(s, "<input type=\"submit\">\n");
send_text(s, "</form>\n");
+ send_text(s, "<a href=\"?cmd=:RUN\">RUN</a> ");
+ send_text(s, "<a href=\"?cmd=:STOP\">STOP</a> ");
+ send_text(s, "<a href=\"?cmd=:FORC\">FORCE</a> ");
if (param) {
- unsigned char buf[1024*1024];
- int res;
-
claimscope(sc);
if (strchr (param, '?')) {
- res = sendscpi(sc, param, buf, sizeof(buf));
send_text(s, "<pre>< ");
send_text(s, param);
send_text(s, "\n> ");
- send_binary(s, (char*)buf, res);
+ send_command_output(s, sc, param);
send_text(s, "</pre>\n");
} else {
sendscpi(sc, param, NULL, 0);
free(png);
}
+static void serve_data(int s, struct scope *sc, char *source)
+{
+ char *data;
+ int len;
+ int i;
+
+ send_text(s, "HTTP/1.0 200 OK\n");
+ send_text(s, "Content-type: text/plain\n\n");
+
+ claimscope(sc);
+ data = scope_get_data(sc, source, &len);
+ releasescope(sc);
+
+ if (data != NULL) {
+ for (i = 0; i < (len-1); i++) {
+ send_text(s, "%d,", data[i]);
+ }
+ send_text(s, "%d", data[len-1]);
+ free(data);
+ }
+}
+
static void serve_404(int s)
{
send_text(s, "HTTP/1.0 404 Not found\n");
memmove(token+1, token+3, strlen(token)-2);
}
+ while ((token = strchr(param, '+')) != NULL) {
+ *token = ' ';
+ }
}
if (strcmp("/", file) == 0) {
serve_index(s, sc, param);
} else if (strcmp("/cgi-bin/lcd", file) == 0) {
serve_lcd(s, sc);
+ } else if (strcmp("/cgi-bin/data", file) == 0) {
+ serve_data(s, sc, param);
} else {
serve_404(s);
}