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Improved for AutoConnectAux.

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pull/41/head
Hieromon Ikasamo 6 years ago
parent 23c5e21df8
commit 09b89c4b9b
1 changed files with 73 additions and 13 deletions
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  1. 88
      examples/mqttRSSI/mqttRSSI.ino

88
examples/mqttRSSI/mqttRSSI.ino
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@ -15,6 +15,7 @@
#if defined(ARDUINO_ARCH_ESP8266)
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#elif defined(ARDUINO_ARCH_ESP32)
#include <WiFi.h>
#include <SPIFFS.h>
@ -26,7 +27,14 @@
#define PARAM_FILE "/param.json"
#define AUX_SETTING_URI "/mqtt_setting"
#define AUX_SAVE_URI "/mqtt_save"
#define AUX_CLEAR_URI "/mqtt_clear"
// JSON definition of AutoConnectAux.
// Multiple AutoConnectAux can be defined in the JSON array.
// In this example, JSON is hard-coded to make it easier to
// understand the AutoConnectAux API. In practice, it will be
// an external content which separated from the sketch,
// as the mqtt_RSSI_FS example shows.
static const char AUX_mqtt_setting[] PROGMEM = R"raw(
[
{
@ -125,6 +133,16 @@ static const char AUX_mqtt_setting[] PROGMEM = R"raw(
"type": "ACText",
"value": "<h4>Parameters saved as:</h4>",
"style": "text-align:center;color:#2f4f4f;padding:10px;"
},
{
"name": "parameters",
"type": "ACText"
},
{
"name": "clear",
"type": "ACSubmit",
"value": "Clear channel",
"uri": "/mqtt_clear"
}
]
}
@ -202,6 +220,8 @@ int getStrength(uint8_t points) {
return points ? static_cast<int>(rssi / points) : 0;
}
// Load parameters saved with saveParams from SPIFFS into
// the elements defined in /mqtt_setting JSON.
String loadParams(AutoConnectAux& aux, PageArgument& args) {
(void)(args);
SPIFFS.begin();
@ -216,42 +236,54 @@ String loadParams(AutoConnectAux& aux, PageArgument& args) {
return "";
}
// Save the value of each element entered by /mqtt_setting to
// the parameter file. The saveParams as below is a callback
// function of /mqtt_save.
// When this callback is invoked, the input value of each element
// of /mqtt_setting is already stored in the AutoConnectAux object.
// In Sketch, you can output to stream its elements specified by name.
String saveParams(AutoConnectAux& aux, PageArgument& args) {
String echo;
// PageArgument is a copy set of the elements that AutoConnectAux has.
serverName = args.arg("mqttserver");
serverName.trim();
echo = "mqttserver: " + serverName + "<br>";
channelId = args.arg("channelid");
channelId.trim();
echo += "channelid: " + channelId + "<br>";
userKey = args.arg("userkey");
userKey.trim();
echo += "userkey: " + userKey + "<br>";
apiKey = args.arg("apikey");
apiKey.trim();
echo += "apikey: " + apiKey + "<br>";
String upd = args.arg("period");
updateInterval = upd.substring(0, 2).toInt() * 1000;
echo += "period: " + String(updateInterval) + "<br>";
String uniqueid = args.arg("uniqueid");
echo += "uniqueid: " + uniqueid + "<br>";
hostName = args.arg("hostname");
hostName.trim();
echo += "hostname: " + hostName + "<br>";
// The entered value is owned by AutoConnectAux of /mqtt_setting.
// In order to retrieve the elements of /mqtt_setting,
// it is necessary to get the AutoConnectAux object of /mqtt_setting.
SPIFFS.begin();
File param = SPIFFS.open(PARAM_FILE, "w");
portal.aux("/mqtt_setting")->saveElement(param, { "mqttserver", "channelid", "userkey", "apikey", "period", "uniqueid", "hostname" });
param.close();
SPIFFS.end();
return echo;
// Echo back saved parameters to AutoConnectAux page.
AutoConnectText& echo = aux.getElement<AutoConnectText>("parameters");
echo.value = "Server: " + serverName + "<br>";
echo.value += "Channel ID: " + channelId + "<br>";
echo.value += "User Key: " + userKey + "<br>";
echo.value += "API Key: " + apiKey + "<br>";
echo.value += "Update period: " + String(updateInterval / 1000) + " sec.<br>";
echo.value += "Use APID unique: " + uniqueid + "<br>";
echo.value += "ESP host name: " + hostName + "<br>";
return "";
}
void handleRoot() {
@ -262,7 +294,7 @@ void handleRoot() {
"</head>"
"<body>"
"<iframe width=\"450\" height=\"260\" style=\"transform:scale(0.79);-o-transform:scale(0.79);-webkit-transform:scale(0.79);-moz-transform:scale(0.79);-ms-transform:scale(0.79);transform-origin:0 0;-o-transform-origin:0 0;-webkit-transform-origin:0 0;-moz-transform-origin:0 0;-ms-transform-origin:0 0;border: 1px solid #cccccc;\" src=\"https://thingspeak.com/channels/454951/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&type=line\"></iframe>"
"<p style=\"padding-top:10px;text-align:center\">" AUTOCONNECT_LINK(COG_24) "</p>"
"<p style=\"padding-top:5px;text-align:center\">" AUTOCONNECT_LINK(COG_24) "</p>"
"</body>"
"</html>";
@ -274,6 +306,31 @@ void handleRoot() {
server.send(200, "text/html", content);
}
// Clear channel using Thingspeak's API.
void handleClearChannel() {
HTTPClient httpClient;
String endpoint = serverName;
endpoint.replace("mqtt", "api");
String delUrl = "http://" + endpoint + "/channels/" + channelId + "/feeds.json?api_key=" + userKey;
Serial.println(delUrl + ":" + String(httpClient.begin(delUrl)));
Serial.println("res:" + String(httpClient.sendRequest("DELETE")));
String res = httpClient.getString();
httpClient.end();
// Returns the redirect response. The page is reloaded and its contents
// are updated to the state after deletion.
#if defined(ARDUINO_ARCH_ESP8266)
ESP8266WebServer& server = portal.host();
#elif defined(ARDUINO_ARCH_ESP32)
WebServer& server = portal.host();
#endif
server.sendHeader("Location", String("http://") + server.client().localIP().toString() + String("/"));
server.send(302, "text/plain", "");
server.client().flush();
server.client().stop();
}
void setup() {
delay(1000);
Serial.begin(115200);
@ -289,10 +346,12 @@ void setup() {
if (hostnameElm.value.length()) {
config.hostName = hostnameElm.value;
}
config.bootUri = AC_ONBOOTURI_HOME;
config.homeUri = "/";
portal.config(config);
portal.on(AUX_SETTING_URI, loadParams);
portal.on(AUX_SAVE_URI, saveParams, AC_EXIT_LATER);
portal.config(config);
portal.on(AUX_SAVE_URI, saveParams);
}
else
Serial.println("load error");
@ -315,6 +374,7 @@ void setup() {
WebServer& server = portal.host();
#endif
server.on("/", handleRoot);
server.on(AUX_CLEAR_URI, handleClearChannel);
}
void loop() {

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