add system name & description to home page

esp-link/cgi.c

@@ -16,6 +16,7 @@ Some random cgi routines.
 
 #include <esp8266.h>
 #include "cgi.h"
+#include "config.h"
 
 void ICACHE_FLASH_ATTR
 noCacheHeaders(HttpdConnData *connData, int code) {
@@ -158,7 +159,8 @@ int ICACHE_FLASH_ATTR cgiMenu(HttpdConnData *connData) {
       "\"REST/MQTT\", \"/mqtt.html\","
 #endif
       "\"Debug log\", \"/log.html\" ],\n"
-      " \"version\": \"%s\" }", esp_link_version);
+      " \"version\": \"%s\","
+      "\"name\":\"%s\"}", esp_link_version, flashConfig.sys_name);
   httpdSend(connData, buff, -1);
   return HTTPD_CGI_DONE;
 }

esp-link/cgimqtt.c

@@ -11,6 +11,10 @@ static char *mqtt_states[] = {
   "disconnected", "reconnecting", "connecting", "connected",
 };
 
+char *mqttState(void) {
+  return mqtt_states[mqttClient.connState];
+}
+
 // Cgi to return MQTT settings
 int ICACHE_FLASH_ATTR cgiMqttGet(HttpdConnData *connData) {
   char buff[1024];

esp-link/cgimqtt.h

@@ -4,6 +4,7 @@
 
 #include "httpd.h"
 int cgiMqtt(HttpdConnData *connData);
+char *mqttState(void);
 
 #endif // CGIMQTT_H
 #endif // MQTT

esp-link/config.c

@@ -22,6 +22,7 @@ FlashConfig flashDefault = {
   2, 1,                                // mqtt_timeout, mqtt_clean_session
   1883, 60,                            // mqtt port, mqtt_keepalive
   "\0", "\0", "\0", "\0", "\0",        // mqtt host, client_id, user, password, status-topic
+  "\0", "\0",                          // sys name, sys description
 };
 
 typedef union {

esp-link/config.h

@@ -23,6 +23,7 @@ typedef struct {
   uint16_t mqtt_port, mqtt_keepalive;  // MQTT Host port, MQTT Keepalive timer
   char     mqtt_host[32], mqtt_clientid[48], mqtt_username[32], mqtt_password[32];
   char     mqtt_status_topic[32];
+  char     sys_name[12], sys_descr[128]; // informal system name and description
 } FlashConfig;
 extern FlashConfig flashConfig;
 

esp-link/main.c

@@ -31,6 +31,9 @@
 #include "log.h"
 #include <gpio.h>
 
+static int ICACHE_FLASH_ATTR cgiSystemInfo(HttpdConnData *connData);
+static int ICACHE_FLASH_ATTR cgiSystemSet(HttpdConnData *connData);
+
 /*
 This is the main url->function dispatching data struct.
 In short, it's a struct with various URLs plus their handlers. The handlers can
@@ -64,8 +67,9 @@ HttpdBuiltInUrl builtInUrls[] = {
   { "/wifi/connstatus", cgiWiFiConnStatus, NULL },
   { "/wifi/setmode", cgiWiFiSetMode, NULL },
   { "/wifi/special", cgiWiFiSpecial, NULL },
+  { "/system/info", cgiSystemInfo, NULL },
+  { "/system/update", cgiSystemSet, NULL },
   { "/pins", cgiPins, NULL },
-  { "/tcpclient", cgiTcp, NULL },
 #ifdef MQTT
   { "/mqtt", cgiMqtt, NULL },
 #endif
@@ -97,6 +101,53 @@ static char *flash_maps[] = {
   "2MB:1024/1024", "4MB:1024/1024"
 };
 
+// Cgi to return various System information
+static int ICACHE_FLASH_ATTR cgiSystemInfo(HttpdConnData *connData) {
+  char buff[1024];
+
+  if (connData->conn==NULL) return HTTPD_CGI_DONE; // Connection aborted. Clean up.
+
+  uint8 part_id = system_upgrade_userbin_check();
+  uint32_t fid = spi_flash_get_id();
+  struct rst_info *rst_info = system_get_rst_info();
+
+  os_sprintf(buff, "{\"name\": \"%s\", \"reset cause\": \"%d=%s\", "
+      "\"size\": \"%s\"," "\"id\": \"0x%02lX 0x%04lX\"," "\"partition\": \"%s\","
+      "\"slip\": \"%s\"," "\"mqtt\": \"%s/%s\"," "\"baud\": \"%ld\","
+      "\"description\": \"%s\"" "}",
+      flashConfig.sys_name, rst_info->reason, rst_codes[rst_info->reason],
+      flash_maps[system_get_flash_size_map()], fid & 0xff, (fid&0xff00)|((fid>>16)&0xff),
+      part_id ? "user2.bin" : "user1.bin",
+      flashConfig.slip_enable ? "enabled" : "disabled",
+      flashConfig.mqtt_enable ? "enabled" : "disabled",
+      mqttState(), flashConfig.baud_rate, flashConfig.sys_descr
+      );
+
+  jsonHeader(connData, 200);
+  httpdSend(connData, buff, -1);
+  return HTTPD_CGI_DONE;
+}
+
+// Cgi to update system info (name/description)
+static int ICACHE_FLASH_ATTR cgiSystemSet(HttpdConnData *connData) {
+  if (connData->conn==NULL) return HTTPD_CGI_DONE; // Connection aborted. Clean up.
+
+  int8_t status = 0;
+  status |= getStringArg(connData, "name", flashConfig.sys_name, sizeof(flashConfig.sys_name));
+  status |= getStringArg(connData, "description", flashConfig.sys_descr, sizeof(flashConfig.sys_descr));
+  if (status < 0) return HTTPD_CGI_DONE; // getStringArg has produced an error response
+
+  if (configSave()) {
+    httpdStartResponse(connData, 204);
+    httpdEndHeaders(connData);
+  } else {
+    httpdStartResponse(connData, 500);
+    httpdEndHeaders(connData);
+    httpdSend(connData, "Failed to save config", -1);
+  }
+  return HTTPD_CGI_DONE;
+}
+
 extern void app_init(void);
 extern void mqtt_client_init(void);
 
@@ -120,6 +171,7 @@ void user_init(void) {
   os_delay_us(10000L);
   os_printf("\n\n** %s\n", esp_link_version);
   os_printf("Flash config restore %s\n", restoreOk ? "ok" : "*FAILED*");
+  if (flashConfig.sys_name[0] == 0) os_strcpy(flashConfig.sys_name, "nameme");
 
 #if defined(STA_SSID) && defined(STA_PASS)
   int x = wifi_get_opmode() & 0x3;

html/home.html

@@ -8,21 +8,20 @@
     <div class="content">
       <div class="pure-g">
         <div class="pure-u-1"><div class="card">
-          <p>The JeeLabs esp-link firmware bridges the ESP8266 serial port to Wifi and can
+          <p style="margin-bottom:0;">The JeeLabs esp-link firmware bridges the ESP8266
+          serial port to Wifi and can
           program microcontrollers over the serial port, in particular Arduinos, AVRs, and
-          NXP's LPC800 and other ARM processors.</p>
+          NXP's LPC800 and other ARM processors. Typical avrdude command line to
-          <p style="margin-bottom:0;">Program an Arduino/AVR using avrdude using a command
+          program an Arduino:</p>
-          line similar to:</p>
+          <div class="tt">/home/arduino/hardware/tools/avrdude \<br>
-          <div class="tt">/home/arduino-1.0.5/hardware/tools/avrdude \<br>
           &nbsp;&nbsp;-DV -patmega328p -Pnet:esp-link.local:23 -carduino -b115200 -U \<br>
-          &nbsp;&nbsp;-C /home/arduino-1.0.5/hardware/tools/avrdude.conf flash:w:my_sketch.hex:i
+          &nbsp;&nbsp;-C /home/arduino/hardware/tools/avrdude.conf flash:w:my_sketch.hex:i
           </div>
           <p>where <tt>-Pnet:esp-link.local:23</tt> tells avrdude to connect to port 23 of esp-link.
-          You can substitute the IP address of your esp-link for esp-link.local if necessary.</p>
+          You can substitute the IP address of your esp-link for esp-link.local if necessary.
-          <p>Please refer to
+          Please refer to
           <a href="https://github.com/jeelabs/esp-link/blob/master/README.md">the online README</a>
-          for up-to-date help and to the forthcoming
+          for up-to-date help.</p>
-          <a href="http://jeelabs.org">JeeLabs blog</a> for an intro to the codebase.</p>
         </div></div>
       </div>
       <div class="pure-g">
@@ -39,6 +38,21 @@
             <tr><td>Configured hostname</td><td id="wifi-hostname"></td></tr>
             </tbody></table>
           </div>
+          <div class="card">
+            <h1>Esp-link summary</h1>
+            <div id="system-spinner" class="spinner spinner-small"></div>
+            <table id="system-table" class="pure-table pure-table-horizontal" hidden><tbody>
+            <tr><td>Name</td><td><input type=text maxlength=12 disabled id="system-name"></td></tr>
+            <tr><td>Flash chip ID</td><td id="system-id"></td></tr>
+            <tr><td>Flash size</td><td id="system-size"></td></tr>
+            <tr><td>Current partition</td><td id="system-partition"></td></tr>
+            <tr><td>SLIP status</td><td id="system-slip"></td></tr>
+            <tr><td>MQTT status</td><td id="system-mqtt"></td></tr>
+            <tr><td>Serial baud</td><td id="system-baud"></td></tr>
+            <tr><td colspan=2 >Description:<br>
+                <textarea rows=3 maxlength=127 disabled id="system-description"></textarea></td></tr>
+            </tbody></table>
+          </div>
         </div>
         <div class="pure-u-1 pure-u-md-1-2"><div class="card">
           <h1>Pin assignment</h1>
@@ -56,8 +70,11 @@
 
 <script type="text/javascript">
 onLoad(function() {
+  makeAjaxInput("system", "name");
+  makeAjaxInput("system", "description");
   fetchPins();
   getWifiInfo();
+  getSystemInfo();
 });
 </script>
 </body></html>

html/style.css

@@ -3,10 +3,14 @@ html, button, input, select, textarea, .pure-g [class *= "pure-u"] {
 	font-family: sans-serif;
 }
 
-input[type="text"], input[type="password"] {
+input[type="text"], input[type="password"], textarea {
 	width: 100%;
 }
 
+input[type="text"]:disabled, textarea:disabled {
+	cursor: pointer;
+}
+
 input[type=checkbox] {
   float: left;
   margin: .35em 0.4em;

html/ui.js

@@ -226,6 +226,7 @@ onLoad(function() {
       <div class="pure-menu">\
         <a class="pure-menu-heading" href="https://github.com/jeelabs/esp-link">\
         <img src="/favicon.ico" height="32">&nbsp;esp-link</a>\
+        <div class="pure-menu-heading" id="sysname" style="padding: 0px 0.6em"></div>\
         <ul id="menu-list" class="pure-menu-list"></ul>\
       </div>\
     </div>\
@@ -258,6 +259,9 @@ onLoad(function() {
 
       v = $("#version");
       if (v != null) { v.innerHTML = data.version; }
+
+      n = $("#sysname");
+      if (n != null) { n.innerHTML = data.name; }
     }, function() { setTimeout(getMenu, 1000); });
   };
   getMenu();
@@ -285,6 +289,51 @@ function getWifiInfo() {
       function(s, st) { window.setTimeout(getWifiInfo, 1000); });
 }
 
+//===== System info
+
+function showSystemInfo(data) {
+  Object.keys(data).forEach(function(v) {
+    el = $("#system-" + v);
+    if (el != null) {
+      if (el.nodeName === "INPUT") el.value = data[v];
+      else el.innerHTML = data[v];
+    }
+  });
+  $("#system-spinner").setAttribute("hidden", "");
+  $("#system-table").removeAttribute("hidden");
+  currAp = data.ssid;
+}
+
+function getSystemInfo() {
+  ajaxJson('GET', "/system/info", showSystemInfo,
+      function(s, st) { window.setTimeout(getSystemInfo, 1000); });
+}
+
+function enableInput(el) {
+  el.disabled = false;
+  el.select();
+  return false;
+}
+function submitInput(klass, id, v) {
+  console.log("Submit POST /"+klass+"/update?"+id+"="+v);
+  $("#"+klass+"-"+id).disabled = true;
+  ajaxSpin("POST", "/"+klass+"/update?"+id+"="+v, function() {
+    showNotification(id + " changed to " + v);
+  }, function() {
+    showWarning(id + " change failed");
+  });
+  return false;
+}
+function makeAjaxInput(klass, field) {
+  var el = $("#"+klass+"-"+field);
+  bnd(el.parentElement, "click", function(){return enableInput(el);});
+  bnd(el, "blur", function(){return submitInput(klass,field,el.value);});
+  bnd(el, "keyup", function(ev){
+    if ((ev||window.event).keyCode==13) return submitInput(klass,field,el.value);
+  });
+}
+
+
 //===== Notifications
 
 function showWarning(text) {

httpd/httpd.c

@@ -17,6 +17,8 @@ Esp8266 http server - core routines
 #include <esp8266.h>
 #include "httpd.h"
 
+#define HTTPD_DBG
+
 
 //Max length of request head
 #define MAX_HEAD_LEN 1024
@@ -394,9 +396,13 @@ static void ICACHE_FLASH_ATTR httpdProcessRequest(HttpdConnData *conn) {
       if (conn->post) conn->post->len = 0; // skip any remaining receives
       return;
     }
-    else if (r == HTTPD_CGI_NOTFOUND || r == HTTPD_CGI_AUTHENTICATED) {
+    else {
+      if (!(r == HTTPD_CGI_NOTFOUND || r == HTTPD_CGI_AUTHENTICATED)) {
+        os_printf("%shandler for %s returned invalid result %d\n", connStr, conn->url, r);
+      }
       //URL doesn't want to handle the request: either the data isn't found or there's no
       //need to generate a login screen.
+      conn->cgi = NULL; // force lookup again
       i++; //look at next url the next iteration of the loop.
     }
   }