From 64aeaf99edf9b24255fa42a07493d5e2120bb5e6 Mon Sep 17 00:00:00 2001
From: Kizarm <mrazik@volny.cz>
Date: Fri, 8 Nov 2024 21:47:36 +0100
Subject: [PATCH] server add channel

---
 V203/usb/scope/bin/index.html      | 16 ++++++++++++
 V203/usb/scope/bin/index.js        | 12 +++++++++
 V203/usb/scope/server/Makefile     |  3 +--
 V203/usb/scope/server/wsclient.cpp | 41 +++++++++++++++++++++++++++---
 V203/usb/scope/server/wsclient.h   |  2 ++
 5 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/V203/usb/scope/bin/index.html b/V203/usb/scope/bin/index.html
index 849fd95..706ab38 100644
--- a/V203/usb/scope/bin/index.html
+++ b/V203/usb/scope/bin/index.html
@@ -85,6 +85,22 @@
             <option value="4">Time base zoom</option>
           </select></div>
         </fieldset></td>
+        <td><fieldset>
+          <legend>Channel A</legend>
+          <div><select id="setcha" name="setcha">
+            <option value="0">100mV</option><option value="1">200mV</option><option value="2">500mV</option>
+            <option value="3">1V</option><option value="4">2V</option><option value="5">5V</option>
+            <option value="6">10V</option><option value="7">20V</option><option value="8">50V</option>
+          </select></div>
+        </fieldset></td>
+        <td><fieldset>
+          <legend>Channel B</legend>
+          <div><select id="setchb" name="setchb">
+            <option value="0">100mV</option><option value="1">200mV</option><option value="2">500mV</option>
+            <option value="3">1V</option><option value="4">2V</option><option value="5">5V</option>
+            <option value="6">10V</option><option value="7">20V</option><option value="8">50V</option>
+          </select></div>
+        </fieldset></td>
         <td><input type="button" class="start" id="Start" value="Start" onclick="Start();" disabled></td>
       </tr></table>
       </div>
diff --git a/V203/usb/scope/bin/index.js b/V203/usb/scope/bin/index.js
index 4c58e05..81b5c94 100644
--- a/V203/usb/scope/bin/index.js
+++ b/V203/usb/scope/bin/index.js
@@ -7,6 +7,8 @@ const MarkerVolt  = document.getElementById ('volt');
 
 const TimeBase    = document.getElementById ('time_base');
 const MoveElem    = document.getElementById ('move');
+const VoltChA     = document.getElementById ('setcha');
+const VoltChB     = document.getElementById ('setchb');
 const StartBut    = document.getElementById ('Start');
 const ConnectBut  = document.getElementById ('Connect');
 const Connected   = document.getElementById ('Connected');
@@ -95,6 +97,8 @@ function RefreshSettings (obj) {
   document.getElementById('trigger_mode').value = obj.mode;
   document.getElementById('trigger_edge').value = obj.rising;
   document.getElementById('time_base'   ).value = obj.tim;
+  document.getElementById('setcha'      ).value = obj.cha;
+  document.getElementById('setchb'      ).value = obj.chb;
   gTC.x = obj.offset; gTC.y = obj.value;
   PrepareBG();
   DrawAll  ();
@@ -289,6 +293,14 @@ MoveElem.onchange = (event) => {
   gItemToMove = e.value;
   console.log(e);
 };
+VoltChA.onchange = (event) => {
+  const e = { type : "cha_set", value : parseInt(event.target.value, 10) };
+  SendEvent (e);
+};
+VoltChB.onchange = (event) => {
+  const e = { type : "chb_set", value : parseInt(event.target.value, 10) };
+  SendEvent (e);
+};
 MarkerTime.onclick = (event) => {
   console.log ('time_mark');
   gMark.type = 'time';
diff --git a/V203/usb/scope/server/Makefile b/V203/usb/scope/server/Makefile
index 6a60285..b9a0ccd 100644
--- a/V203/usb/scope/server/Makefile
+++ b/V203/usb/scope/server/Makefile
@@ -2,9 +2,8 @@ PR = ../bin/wserver
 CC = g++
 AS = as
 CFLAGS = -Wall -Os
-CFLAGS+= -I$(HOME)/local/include
 MFLAGS = -o $(PR)
-LFLAGS = -L$(HOME)/local/lib -lseasocks -lz -lpthread
+LFLAGS = -lseasocks -lz -lpthread
 
 all: $(PR)
 
diff --git a/V203/usb/scope/server/wsclient.cpp b/V203/usb/scope/server/wsclient.cpp
index 16844bc..725ccc1 100644
--- a/V203/usb/scope/server/wsclient.cpp
+++ b/V203/usb/scope/server/wsclient.cpp
@@ -13,11 +13,23 @@ using json = nlohmann::json;
 using namespace std;
 using namespace seasocks;
 
+static const uint8_t VoltageRangeTable [] = {
+  S100mV, S200mV, S500mV,
+  S1V,       S2V,    S5V,
+  S10V,     S20V,   S50V,
+};
+static uint8_t find_index (uint8_t n) {
+  unsigned m = sizeof (VoltageRangeTable);
+  for (unsigned i=0u; i<m; i++) {
+    if (n == VoltageRangeTable [i]) return i;
+  }
+  return 0;
+}
 static string channels_to_json (const vector<int> & a, const vector<int> & b) {
   json msg;
   msg["a"] = a;
   msg["b"] = b;
-  return to_string(msg);
+  return msg.dump();
 }
 bool WsClient::start() {
   cout << "Client Start\n";
@@ -146,13 +158,16 @@ static uint8_t from_hex (const char * ptr) {
 void WsClient::parse_reply(const char * data, const int len) {
   printf("(%d):%s\n", len, data);
   TrigerSettings ts;
-  AllSettings as (ts, 0);
+  ChannelVoltage cv;
+  AllSettings as (ts, 0, cv);
   const int bl = len >> 1;
   int k = 0;
   for (int n=0; n<bl; n++) {
     as.common [n] = from_hex (data + k);
     k += 2;
   }
+  as.part.asc = find_index(as.part.asc);
+  as.part.bsc = find_index(as.part.bsc);
   // ulož zpět, synchronizace serveru
   memcpy (&trigerSettings, &as.part.trg, sizeof(TrigerSettings));
   json msg;
@@ -162,7 +177,9 @@ void WsClient::parse_reply(const char * data, const int len) {
   msg["offset"]  = as.part.trg.offset;
   msg["value"]   = as.part.trg.value;
   msg["tim"]     = as.part.tim;
-  string s = to_string (msg);
+  msg["cha"]     = as.part.asc;
+  msg["chb"]     = as.part.bsc;
+  string s = msg.dump ();
   cout << s << endl;
   ws->send(s);
 }
@@ -235,12 +252,30 @@ void WsClient::send(const char * data) {
       SettingChanged(1);
     } else if (type == "tim_bas") {
       SendBaseRange(value);
+    } else if (type == "cha_set") {
+      SendVoltage(0, VoltageRangeTable[value]);
+    } else if (type == "chb_set") {
+      SendVoltage(1, VoltageRangeTable[value]);
     } else if (type == "start") {
       Start ();
     }
   }
   // cout << "type=" << type << ", value=" << value << endl;
 }
+void WsClient::SendVoltage(int ch, int n) {
+  const int k = (unsigned) n >= sizeof (VoltageRangeTable) ? (sizeof (VoltageRangeTable) - 1u) : n;
+  uint8_t v = VoltageRangeTable [k];
+  RcvdHeader hdr;
+  hdr.common = 0u;
+  hdr.bits.destinat  = ch == 0 ? DEST_CHA : DEST_CHB;
+  hdr.bits.cmd_value = v;
+  const unsigned len = 64;
+  char buffer [len];
+  int r = snprintf(buffer, len, "$%04X\r\n", (int) hdr.common);
+  buffer [r] = '\0';
+  write (buffer, r);
+}
+
 void WsClient::SendTrigerChan(int n) {
   trigerSettings.channel = static_cast<ADC_CHANNELS> (n);
   send_trig_mode();
diff --git a/V203/usb/scope/server/wsclient.h b/V203/usb/scope/server/wsclient.h
index 42884a5..fc1f7c4 100644
--- a/V203/usb/scope/server/wsclient.h
+++ b/V203/usb/scope/server/wsclient.h
@@ -51,6 +51,8 @@ class WsClient {
     void SendTrigerChan (int n);
     void SendBaseRange  (int n);
     void SettingChanged (int n);
+    void SendVoltage (int ch, int n);
+    
     void Start          ();
     void send_trig_mode ();
     int  write (const char * data, const int len);