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Add support for several bootmode

This commit is contained in:
Mathieu Maret 2016-03-03 21:41:12 +01:00
parent 1f9986da85
commit 7292b20d87
1 changed files with 83 additions and 68 deletions
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151
WiFiAccessPointConfigurator/WiFiAccessPointConfigurator.ino
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@ -2,19 +2,26 @@
/* Create a WiFi access point and provide a web server on it. */ /* Create a WiFi access point and provide a web server on it. */
#include <ESP8266WiFi.h> #include <ESP8266WiFi.h>
#include <WiFiClient.h> #include <WiFiClient.h>
#include <ESP8266WebServer.h> #include <ESP8266WebServer.h>
#include <ESP8266mDNS.h> #include <ESP8266mDNS.h>
#include <EEPROM.h> #include <EEPROM.h>
#include <ArduinoOTA.h>
#include <errno.h> #include <errno.h>
#define EEPROM_SIZE 512 #define EEPROM_SIZE 512
char eeprom[EEPROM_SIZE]; char eeprom[EEPROM_SIZE];
/* Mode could be 0 for Setup, 1 for normal use #define BOOTMODE_SETUP 0
* Setup mode is trigger by setting GPIO3 to ground or at first boot #define BOOTMODE_NORMAL 1
#define BOOTMODE_OTA 2
/* EEPROM LAYOUT
"BOOTMODE;SSID;PASSWORD;HOSTNAME;"
BOOTMODE could be 0 for Setup, 1 for normal use, 2 for OTA
Setup mode is trigger by setting GPIO3 to ground or at first boot
*/ */
int mode = 0;
/* Set these to your desired credentials. */ /* Set these to your desired credentials. */
const char *ssid = "ESPConfigurator"; const char *ssid = "ESPConfigurator";
@ -22,48 +29,48 @@ const char *ssid = "ESPConfigurator";
ESP8266WebServer server(80); ESP8266WebServer server(80);
/* Just a little test message. Go to http://192.168.4.1 in a web browser /* Just a little test message. Go to http://192.168.4.1 in a web browser
* connected to this access point to see it. connected to this access point to see it.
*/ */
void handleRoot() { void handleRoot() {
server.send(200, "text/html", "<h1>You are connected</h1><br/>" server.send(200, "text/html", "<h1>You are connected</h1><br/>"
"<a href=\"/setup\">Setup</a><br/>" "<a href=\"/setup\">Setup</a><br/>"
"<a href=\"/gpio?gpio=2&amp;value=1\">ON</a><br/>" "<a href=\"/gpio?gpio=2&amp;value=1\">ON</a><br/>"
"<a href=\"/gpio?gpio=2&value=0\">OFF</a><br/>" "<a href=\"/gpio?gpio=2&value=0\">OFF</a><br/>"
); );
} }
void handleSetup() { void handleSetup() {
server.send(200, "text/html", "<form action=\"/save\" method=\"get\">" server.send(200, "text/html", "<form action=\"/save\" method=\"get\">"
"<div><label for=\"ssid\">Wifi SSID :</label> <input type=\"text\" name=\"ssid\" /></div>" "<div><label for=\"ssid\">Wifi SSID :</label> <input type=\"text\" name=\"ssid\" /></div>"
"<div><label for=\"password\">Wifi Password :</label><input type=\"password\" name=\"password\" /> </div>" "<div><label for=\"password\">Wifi Password :</label><input type=\"password\" name=\"password\" /> </div>"
"<div><label for=\"host\">Hostname :</label><input type=\"text\" name=\"host\" /> </div>" "<div><label for=\"host\">Hostname :</label><input type=\"text\" name=\"host\" /> </div>"
"<div class=\"button\"> <button type=\"submit\">Save</button></div>" "<div class=\"button\"> <button type=\"submit\">Save</button></div>"
"</form>"); "</form>");
} }
void handleGpio() { void handleGpio() {
if(!server.hasArg("gpio") || !server.hasArg("value")){ if (!server.hasArg("gpio") || !server.hasArg("value")) {
server.send(500, "text/plain", "Bad arguments\r\n"); server.send(500, "text/plain", "Bad arguments\r\n");
return; return;
} }
digitalWrite(server.arg("gpio").toInt(), server.arg("value").toInt()); digitalWrite(server.arg("gpio").toInt(), server.arg("value").toInt());
pinMode(server.arg("gpio").toInt(), OUTPUT); pinMode(server.arg("gpio").toInt(), OUTPUT);
server.send(200, "text/html", "<h1>GPIO" + server.arg("gpio") + " changed to " + server.arg("value") +"</h1>"); server.send(200, "text/html", "<h1>GPIO" + server.arg("gpio") + " changed to " + server.arg("value") + "</h1>");
} }
int saveConfig(String ssid, String password, String host ){ int saveConfig(int bootMode, String ssid, String password, String host ) {
String eeprom; String eeprom;
eeprom = "1;"+ssid+";"+password+";"+host+";";
if(eeprom.length() > EEPROM_SIZE ) eeprom = String(bootMode) + ";" + ssid + ";" + password + ";" + host + ";";
if (eeprom.length() > EEPROM_SIZE )
return -EMSGSIZE; return -EMSGSIZE;
Serial.println("Saving "+eeprom);
for (int i = 0; i < eeprom.length() && i < EEPROM_SIZE; i++){ Serial.println("Saving " + eeprom);
EEPROM.write(i, eeprom.charAt(i));
for (int i = 0; i < eeprom.length() && i < EEPROM_SIZE; i++) {
EEPROM.write(i, eeprom.charAt(i));
} }
EEPROM.commit(); EEPROM.commit();
@ -77,77 +84,84 @@ void handleSave() {
String ssid; String ssid;
String hostName; String hostName;
if(!server.hasArg("ssid") || !server.hasArg("password") || !server.hasArg("host")){ if (!server.hasArg("ssid") || !server.hasArg("password") || !server.hasArg("host")) {
server.send(500, "text/plain", "Bad arguments\r\n"); server.send(500, "text/plain", "Bad arguments\r\n");
return; return;
} }
if(saveConfig(server.arg("ssid"), server.arg("password"), server.arg("host")) < 0){ if (saveConfig(BOOTMODE_NORMAL, server.arg("ssid"), server.arg("password"), server.arg("host")) < 0) {
server.send(500, "text/plain", "Cannot Save Credentials (Too long ?Contains \";\"?)\r\n"); server.send(500, "text/plain", "Cannot Save Credentials (Too long ?Contains \";\"?)\r\n");
return; return;
} }
server.send(200, "text/html", "<h1>Configuration Saved</h1>"); server.send(200, "text/html", "<h1>Configuration Saved</h1>");
} }
void handleNotFound(){ void handleNotFound() {
String message = "File Not Found\n\n"; String message = "File Not Found\n\n";
message += "URI: "; message += "URI: ";
message += server.uri(); message += server.uri();
message += "\nMethod: "; message += "\nMethod: ";
message += (server.method() == HTTP_GET)?"GET":"POST"; message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: "; message += "\nArguments: ";
message += server.args(); message += server.args();
message += "\n"; message += "\n";
for (uint8_t i=0; i<server.args(); i++){ for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + "\n"; message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
} }
server.send(404, "text/plain", message); server.send(404, "text/plain", message);
} }
void readEEPROM(int &configured, char **ssid, char **password, char **host){ void readEEPROM(int &bootMode, char **ssid, char **password, char **host) {
int i = 2; int i = 2;
configured = (EEPROM.read(0) == '1') ;
if (!configured) int boot = EEPROM.read(0);
if (boot == '1') {
bootMode = BOOTMODE_NORMAL;
} else if (boot == '2') {
bootMode = BOOTMODE_OTA;
} else {
//Do not need to parse EEPROM when not configured
bootMode = BOOTMODE_SETUP;
return; return;
}
//Read SSID //Read SSID
*ssid = &eeprom[2]; *ssid = &eeprom[2];
do { do {
eeprom[i]= EEPROM.read(i); eeprom[i] = EEPROM.read(i);
i++; i++;
} while(i < EEPROM_SIZE && eeprom[i-1] != ';'); } while (i < EEPROM_SIZE && eeprom[i - 1] != ';');
eeprom[i-1] = '\0'; eeprom[i - 1] = '\0';
//Read password //Read password
*password = &eeprom[i]; *password = &eeprom[i];
do { do {
eeprom[i]= EEPROM.read(i); eeprom[i] = EEPROM.read(i);
i++; i++;
} while(i < EEPROM_SIZE && eeprom[i-1] != ';'); } while (i < EEPROM_SIZE && eeprom[i - 1] != ';');
eeprom[i-1] = '\0'; eeprom[i - 1] = '\0';
//Read HostName //Read HostName
*host = &eeprom[i]; *host = &eeprom[i];
do { do {
eeprom[i]= EEPROM.read(i); eeprom[i] = EEPROM.read(i);
i++; i++;
} while(i < EEPROM_SIZE && eeprom[i-1] != ';'); } while (i < EEPROM_SIZE && eeprom[i - 1] != ';');
eeprom[i-1] = '\0'; eeprom[i - 1] = '\0';
} }
void setupWifi(int configured, int forceSetup, char *confSsid, char *confPassword, char *confHost){ void setupWifi(int bootmode, int forceSetup, char *confSsid, char *confPassword, char *confHost) {
IPAddress myIP; IPAddress myIP;
if(!configured || forceSetup ){ if (bootmode == BOOTMODE_SETUP || forceSetup) {
Serial.println("Configuring access point..."); Serial.println("Configuring access point...");
/* You can set a password to the AP here */ /* You can set a password to the AP here */
WiFi.softAP(ssid); WiFi.softAP(ssid);
myIP = WiFi.softAPIP(); myIP = WiFi.softAPIP();
}else{ } else {
Serial.println("Connecting to Wifi..."); Serial.println("Connecting to Wifi...");
WiFi.begin(confSsid, confPassword); WiFi.begin(confSsid, confPassword);
while (WiFi.status() != WL_CONNECTED) { while (WiFi.status() != WL_CONNECTED) {
@ -159,64 +173,65 @@ void setupWifi(int configured, int forceSetup, char *confSsid, char *confPasswor
if (!MDNS.begin(confHost)) { if (!MDNS.begin(confHost)) {
Serial.println("Error setting up MDNS responder!"); Serial.println("Error setting up MDNS responder!");
while(1) { while (1) {
delay(1000); delay(1000);
} }
} }
Serial.println("mDNS responder started"); Serial.println("mDNS responder started");
myIP = WiFi.localIP(); myIP = WiFi.localIP();
} }
Serial.print("My IP address: "); Serial.print("My IP address: ");
Serial.println(myIP); Serial.println(myIP);
} }
void setup() { void setup() {
pinMode(3, OUTPUT); pinMode(3, OUTPUT);
int configured; int bootMode;
char *confSsid; char *confSsid;
char *confPassword; char *confPassword;
char *confHost; char *confHost;
delay(1000); delay(1000);
Serial.begin(115200); Serial.begin(115200);
Serial.println(); Serial.println();
// Get GPIO 3 Status // Get GPIO 3 Status
Serial.swap(); //Switch Serial on GPIO 13 & 15 Serial.swap(); //Switch Serial on GPIO 13 & 15
pinMode(3, INPUT_PULLUP); pinMode(3, INPUT_PULLUP);
int txStatus = digitalRead(3); int txStatus = digitalRead(3);
//Serial.swap(); // Switch back Serial.swap(); // Switch back
EEPROM.begin(EEPROM_SIZE); EEPROM.begin(EEPROM_SIZE);
readEEPROM(configured, &confSsid, &confPassword, &confHost); readEEPROM(bootMode, &confSsid, &confPassword, &confHost);
if(configured){ if (bootMode == BOOTMODE_NORMAL || bootMode == BOOTMODE_OTA) {
Serial.println("Configuration Found !:"); Serial.println("Configuration Found !:");
Serial.println(bootMode);
Serial.println(confSsid); Serial.println(confSsid);
Serial.println(confPassword); Serial.println(confPassword);
Serial.println(confHost); Serial.println(confHost);
Serial.println(); Serial.println();
}else{ } else {
Serial.println("No configuration saved"); Serial.println("No configuration saved");
} }
Serial.print("GPIO 3 status :"); Serial.print("GPIO 3 status :");
Serial.print(txStatus); Serial.print(txStatus);
Serial.println(); Serial.println();
setupWifi(configured, txStatus == 0, confSsid, confPassword, confHost); setupWifi(bootMode, txStatus == 0, confSsid, confPassword, confHost);
server.on("/", handleRoot); server.on("/", handleRoot);
server.on("/setup", handleSetup); server.on("/setup", handleSetup);
server.on("/save", handleSave); server.on("/save", handleSave);
if(configured) if (bootMode == BOOTMODE_NORMAL)
server.on("/gpio", handleGpio); server.on("/gpio", handleGpio);
server.onNotFound(handleNotFound); server.onNotFound(handleNotFound);
server.begin(); server.begin();
Serial.println("HTTP server started"); Serial.println("HTTP server started");
} }
void loop() { void loop() {
server.handleClient(); server.handleClient();
} }