Files
esp8266-laser/esp8266-laser.ino
2017-10-08 04:07:37 +02:00

365 lines
8.9 KiB
C++

/*
https://github.com/0x1d/esp8266-laser
#usage:
/motor/{motorNr}/{value}
/laser/{value}
/ssid/{ssidname}
/pwd/{password}
/wiap/1 -> SofAP, 0 -> client
/saveconf -> will write wificonfig to file
*/
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <FS.h>
#include <SoftwareSerial.h>
SoftwareSerial laserSerial(14, 12, false, 256);
char ssid[50] = "tojoin";
char password[50] = "";
int wifiMode = 0; // 0: client, 1: AP (default)
int wifiTimeout = 10000; //ms
/* Soft AP network parameters */
char *ssidAP = "ESP-test";
IPAddress apIP(192, 168, 4, 1); // note: update metaRefreshStr string if ip change!
IPAddress netMsk(255, 255, 255, 0);
/* hostname for mDNS. Should work at least on windows. Try http://esp8266.local */
const char *myHostname = "esplaser";
const char *metaRefreshStr = "<head><meta http-equiv=\"refresh\" content=\"3; url=/index.html\" /></head><body><p>redirecting...</p></body>";
unsigned long previousMillis = 0;
// Web server
ESP8266WebServer server(80);
//format bytes
String formatBytes(size_t bytes) {
if (bytes < 1024) {
return String(bytes) + "B";
} else if (bytes < (1024 * 1024)) {
return String(bytes / 1024.0) + "KB";
} else if (bytes < (1024 * 1024 * 1024)) {
return String(bytes / 1024.0 / 1024.0) + "MB";
} else {
return String(bytes / 1024.0 / 1024.0 / 1024.0) + "GB";
}
}
boolean writeWifiConfigFile() {
}
void readWifiConfigFile() {
File f = SPIFFS.open("/config.ini", "r");
if (!f) {
Serial.println("config file open failed");
}
Serial.println("Reading wifi config");
String s = f.readStringUntil('\n');
if (s.substring(0, 4) == "mode") {
s.substring(5, 6).toInt();
}
s = f.readStringUntil('\n');
if (s.substring(0, 4) == "ssid") {
s.substring(5).toCharArray(ssid, 50);
}
s = f.readStringUntil('\n');
if (s.substring(0, 3) == "pwd") {
s.substring(5).toCharArray(password, 50);
}
f.close();
}
String getContentType(String filename) {
if (server.hasArg("download")) return "application/octet-stream";
else if (filename.endsWith(".htm")) return "text/html";
else if (filename.endsWith(".html")) return "text/html";
else if (filename.endsWith(".ini")) return "text/plain";
else if (filename.endsWith(".css")) return "text/css";
else if (filename.endsWith(".js")) return "application/javascript";
else if (filename.endsWith(".png")) return "image/png";
else if (filename.endsWith(".gif")) return "image/gif";
else if (filename.endsWith(".jpg")) return "image/jpeg";
else if (filename.endsWith(".ico")) return "image/x-icon";
else if (filename.endsWith(".xml")) return "text/xml";
else if (filename.endsWith(".pdf")) return "application/x-pdf";
else if (filename.endsWith(".zip")) return "application/x-zip";
else if (filename.endsWith(".gz")) return "application/x-gzip";
return "text/plain";
}
bool handleFileRead(String path) {
Serial.println("handleFileRead: " + path);
if (path.endsWith("/")) path += "index.html";
String contentType = getContentType(path);
String pathWithGz = path + ".gz";
if (SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)) {
if (SPIFFS.exists(pathWithGz))
path += ".gz";
File file = SPIFFS.open(path, "r");
size_t sent = server.streamFile(file, contentType);
file.close();
return true;
}
return false;
}
void handleFileList() {
if (!server.hasArg("dir")) {
server.send(500, "text/plain", "BAD ARGS");
return;
}
String path = server.arg("dir");
Serial.println("handleFileList: " + path);
Dir dir = SPIFFS.openDir(path);
path = String();
String output = "[";
while (dir.next()) {
File entry = dir.openFile("r");
if (output != "[") output += ',';
bool isDir = false;
output += "{\"type\":\"";
output += (isDir) ? "dir" : "file";
output += "\",\"name\":\"";
output += String(entry.name()).substring(1);
output += "\"}";
entry.close();
}
output += "]";
server.send(200, "text/json", output);
}
void handleLaser(String uri)
{
String laserValue = uri.substring(7);
String msg = "AT SLV ";
msg += laserValue;
Serial.println("Sent to Laser: " + msg);
laserSerial.println(msg);
String json = "{ \"handledLaser\":";
json += "{\"value\":\"" + laserValue + "\"}}";
//server.send(200, "text/plain", "blub");
server.send(200, "text/json", json);
json = String();
}
void handleMotor(String uri)
{
String motorNr = uri.substring(7, 8);
String motorValue = uri.substring(9);
String msg = "AT SMS ";
msg += motorNr;
msg += " ";
msg += motorValue;
Serial.println("Sent to Laser: " + msg);
laserSerial.println(msg);
String json = "{ \"handledMotor\": ";
json += "{ \"motor\":\"" + motorNr + "\", ";
json += "\"value\":\"" + motorValue + "\" }}";
//server.send(200, "text/plain", "blub");
server.send(200, "text/json", json);
json = String();
}
void handleSsid(String uri)
{
uri.substring(6).toCharArray(ssid, 50);
String json = "{ \"handledSsid\":";
json += "{\"ssid\":\"" + (String)ssid + "\"}}";
server.send(200, "text/json", json);
json = String();
}
void handlePwd(String uri)
{
uri.substring(5).toCharArray(password, 50);
String json = "{ \"handledPwd\":";
json += "{\"password\":\"" + (String)password + "\"}}";
server.send(200, "text/json", json);
json = String();
}
void handleWiAp(String uri)
{
wifiMode = uri.substring(6, 7).toInt();
String json = "{ \"handledWiAp\":";
json += "{\"softAp\":\"" + (String)wifiMode + "\"}}";
server.send(200, "text/json", json);
json = String();
}
void handleSaveConf() {
boolean success = false;
File f = SPIFFS.open("/config.ini", "w");
if (!f) {
Serial.println("config file open failed");
success = false;
}
else
{
Serial.println("Writing wifi config");
f.print("mode:");
f.println(wifiMode);
f.print("ssid:");
f.println(ssid);
f.print("pwd:");
f.println(password);
f.close();
success = true;
}
if(success == true)
{
server.send(200, "text/plain", "saved config to file, reset to apply");
}
else
{
server.send(500, "text/plain", "error saving file");
}
}
boolean setupWifi() {
// Serial.print("setupWifi");
// Serial.println(wifiMode);
if (wifiMode == 0)
{
Serial.printf("Try connecting to %s\n", ssid);
WiFi.begin(ssid, password);
previousMillis = millis();
while (WiFi.status() != WL_CONNECTED) {
delay(500);
if (millis() - previousMillis >= wifiTimeout) {
Serial.println("connection timedout");
return false;
}
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
return true;
}
else if (wifiMode == 1)
{
Serial.printf("Starting SoftAP %s\n", ssidAP);
WiFi.mode(WIFI_AP);
WiFi.softAP(ssidAP);
Serial.println("");
Serial.print("SoftAP started! IP address: ");
Serial.println ( WiFi.softAPIP() );
return true;
}
}
void setup(void) {
laserSerial.begin(9600);
Serial.begin(115200);
Serial.print("\n");
SPIFFS.begin();
{
Dir dir = SPIFFS.openDir("/");
while (dir.next()) {
String fileName = dir.fileName();
size_t fileSize = dir.fileSize();
Serial.printf("FS File: %s, size: %s\n", fileName.c_str(), formatBytes(fileSize).c_str());
}
Serial.printf("\n");
}
//WIFI INIT
readWifiConfigFile();
boolean wifiConnected = setupWifi();
if (!wifiConnected)
{
wifiMode = 1; // fallback to AP mode
setupWifi();
}
// Setup MDNS responder
if (!MDNS.begin(myHostname)) {
Serial.println("Error setting up MDNS responder!");
} else {
Serial.println("mDNS responder started");
// Add service to MDNS-SD
MDNS.addService("http", "tcp", 80);
}
//SERVER INIT
//list directory
server.on("/listFiles", HTTP_GET, handleFileList);
//server.on("/wwc", HTTP_GET, writeWifiConfigFile);
//server.on("/rwc", HTTP_GET, readWifiConfigFile);
server.on("/saveconf", HTTP_GET, handleSaveConf);
server.on("/heap", HTTP_GET, []() {
String json = "{";
json += "\"heap\":" + String(ESP.getFreeHeap());
json += "}";
server.send(200, "text/json", json);
json = String();
});
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}
void handleNotFound() {
String uri = server.uri();
Serial.print("unhandled uri:");
Serial.println(uri);
if (uri.substring(0, 7) == "/motor/")
{
handleMotor(uri);
return;
}
if (uri.substring(0, 7) == "/laser/")
{
handleLaser(uri);
return;
}
if (uri.substring(0, 6) == "/ssid/")
{
handleSsid(uri);
return;
}
if (uri.substring(0, 5) == "/pwd/")
{
handlePwd(uri);
return;
}
if (uri.substring(0, 6) == "/wiap/")
{
handleWiAp(uri);
return;
}
if (!handleFileRead(server.uri()))
{
server.send(302, "text/html", metaRefreshStr);
// server.send(302, "text/plain", "blub");
}
}
void loop(void) {
server.handleClient();
}