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Merge branch 'master' of github.com:0x1d/esp8266-laser

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0x1d
2017-10-31 19:28:02 +01:00
parent b92d22f1da f824b03699
commit 68a579cfae
4 changed files with 1842 additions and 77 deletions
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70
README.md
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@@ -1,28 +1,46 @@
# Esp8266-Laser
Wifi Host for the Arduino-Laser-Spirograph
HTTP endpoints:
/spirograph GET returns laser and motor values (0 at startup)
POST sets new value(s)
laser=1-128 (1:permanent, 2-127 pulse, 128 off)
motor1=1-128
motor2=1-128
motor3=1-128
/wificonfig -> GET returns wifi settings
POST sets new wifi setting{s}
apMode=0: will try to connect to SSID first, 1: will directly start the AP
SSID=ssid
password=password
save=true will save config to spiffs, false will only change RAM variable (useful for onetime ap joins)
apply=true will reset wifi and try to connect with new param (buggy atm)
/saveconf -> POST write wificonfig to file (similar to wificonfig->save=true)
/resetwifi -> POST reconnect wifi (similar to wificonfig->apply=true)
/heap -> GET returns free heap of the ESP8266
/files -> GET returns list of files
## HTTP endpoints:
* /spirograph
* **GET** returns laser and motor values (0 at startup)
* **POST** sets new value(s)
* laser=1-128 (1:permanent, 2-127 pulse, 128 off)
* motor1=1-128
* motor2=1-128
* motor3=1-128
* /preset
* **POST** sets new value(s) to Preset
* nr=presetNr (1-128)
* laser=1-128 (1:permanent, 2-127 pulse, 128 off)
* motor1=1-128
* motor2=1-128
* motor3=1-128
* apply=true -> run preset
* /presetMode
* **GET** returns current mode
* **POST** sets mode 0: presetsOff 1: cycle (not completed feature)
* /presets
* **GET** returns /presets.json
* /wificonfig
* **GET** returns wifi settings
* **POST** sets new wifi setting{s}
* apMode=0: will try to connect to SSID first, 1: will directly start the AP
* SSID=ssid
* password=password
* save=true will save config to spiffs, false will only change RAM variable (useful for onetime ap joins)
* apply=true will reset wifi and try to connect with new param (buggy atm)
* /heap
* **GET** returns free heap of the ESP8266
* /files
* **GET** returns list of files
# Install
## Install
- install arduino ide (1.8.5) or PlatformIO (see Development section for further instructions)
- follow this instruction
@@ -42,8 +60,8 @@ You may also need to:
- get and install driver for nodemcu
https://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers
# Development
PlatformIO
## Development
### PlatformIO
----------
The project is intended to run on PlatformIO and the build environment is configured for NodeMCU 1.0 (ESP-12E Module).
More informations: http://docs.platformio.org/en/latest/platforms/espressif8266.html
@@ -79,16 +97,16 @@ build:firmware
upload:firmware
```
Frontend
### Frontend
--------
Frontend development requires NodeJS / npm.
The development server watches all files in the frontend directory and automatically builds and copies the frontend code to the data folder.
```
# run development server on port 8080
### run development server on port 8080
npm run dev
# build distribution source to data folder
### build distribution source to data folder
npm run build
```

772
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772
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305
src/esp8266-laser.ino
View File

@@ -34,9 +34,19 @@ const char *myHostname = "esplaser";
// SoftwareSerial(int receivePin, int transmitPin, bool inverse_logic = false, unsigned int buffSize = 64);
SoftwareSerial laserSerial(14, 12, false, 256);
// Presets json buffer
const unsigned int maxPresets = 128; // 128 = 19496, 200 = 29864
// Preset cycleTime
unsigned int cycleTime = 5000; // ms
/*
End of hard coded config
*/
const unsigned int presetsBufferSize = maxPresets * JSON_ARRAY_SIZE(4) + JSON_OBJECT_SIZE(1) + JSON_OBJECT_SIZE(maxPresets) + 1000;
byte presets[maxPresets][4] = {1, 1, 1, 128};
unsigned int activePreset = 0;
unsigned int presetMode = 0;
String ssid = "";
String password = "";
@@ -105,6 +115,77 @@ void hFileList() {
responseBuffer = String();
}
bool hReadPresets()
{
// streamFile instead of rebuild json string
String path = "/presets.json";
String contentType = getContentType(path);
if (SPIFFS.exists(path)) {
File file = SPIFFS.open(path, "r");
size_t sent = server.streamFile(file, contentType);
file.close();
return true;
}
return false;
}
void hWritePreset()
{
presetMode = 0;
int error = 0;
int presetNr = 0;
bool apply = false;
StaticJsonBuffer<200> jsonBuffer;
JsonObject& root = jsonBuffer.createObject();
JsonObject& data = root.createNestedObject("preset");
if (server.hasArg("nr") ) {
presetNr = server.arg("nr").toInt();
data["nr"] = (String)presetNr;
}
else
{
error = 1;
}
if (server.hasArg("laser") && error == 0) {
presets[presetNr-1][0] = server.arg("laser").toInt();
data["laser"] = (String)presets[presetNr-1][0];
}
if (server.hasArg("motor1") && error == 0) {
presets[presetNr-1][1] = server.arg("motor1").toInt();
data["motor1"] = (String)presets[presetNr-1][1];
}
if (server.hasArg("motor2") && error == 0) {
presets[presetNr-1][2] = server.arg("motor2").toInt();
data["motor2"] = (String) presets[presetNr-1][2];
}
if (server.hasArg("motor3") && error == 0) {
presets[presetNr-1][3] = server.arg("motor3").toInt();
data["motor3"] = (String) presets[presetNr-1][3];
}
if (server.arg("apply") == "true" && error == 0)
{
apply = true;
data["apply"] = "true";
presetToLaser(presetNr-1);
}
error = savePresetFile() ? 0 : 1;
if(error == 0)
{
String responseBuffer = String();
root.prettyPrintTo(responseBuffer);
server.send(200, "text/json", responseBuffer);
responseBuffer = String();
}
else
{
server.send(400, "text/plain", "400 Bad Request");
}
jsonBuffer.clear();
}
void hReadSpiro()
{
String responseBuffer = String();
@@ -123,6 +204,7 @@ void hReadSpiro()
void hWriteSpiro()
{
presetMode = 0;
String responseBuffer = String();
StaticJsonBuffer<200> jsonBuffer;
JsonObject& root = jsonBuffer.createObject();
@@ -130,34 +212,34 @@ void hWriteSpiro()
if (server.hasArg("laser") ) {
lmValues[0] = server.arg("laser").toInt();
data["laser"] = (String)lmValues[0];
String msg = "AT SLV ";
msg += (String)lmValues[0];
laserSerial.println(msg);
delay(20);
String msg = "AT SLV ";
msg += (String)lmValues[0];
laserSerial.println(msg);
delay(20);
}
if (server.hasArg("motor1") ) {
lmValues[1] = server.arg("motor1").toInt();
data["motor1"] = (String)lmValues[1];
String msg = "AT SMS 1 ";
msg += (String)lmValues[1];
laserSerial.println(msg);
delay(20);
String msg = "AT SMS 1 ";
msg += (String)lmValues[1];
laserSerial.println(msg);
delay(20);
}
if (server.hasArg("motor2") ) {
lmValues[2] = server.arg("motor2").toInt();
data["motor2"] = (String)lmValues[2];
String msg = "AT SMS 2 ";
msg += (String)lmValues[2];
laserSerial.println(msg);
delay(20);
String msg = "AT SMS 2 ";
msg += (String)lmValues[2];
laserSerial.println(msg);
delay(20);
}
if (server.hasArg("motor3") ) {
lmValues[3] = server.arg("motor3").toInt();
data["motor3"] = (String)lmValues[3];
String msg = "AT SMS 3 ";
msg += (String)lmValues[3];
laserSerial.println(msg);
delay(20);
String msg = "AT SMS 3 ";
msg += (String)lmValues[3];
laserSerial.println(msg);
delay(20);
}
root.prettyPrintTo(responseBuffer);
server.send(200, "text/json", responseBuffer);
@@ -219,7 +301,7 @@ void hWriteWifi()
//root.prettyPrintTo(Serial);
server.send(200, "text/json", responseBuffer);
if (save) {
saveConfigFile();
saveWifiConfig();
}
if (apply) {
setupWifi();
@@ -228,14 +310,67 @@ void hWriteWifi()
responseBuffer = String();
}
bool saveConfigFile() {
StaticJsonBuffer<200> jsonBuffer;
JsonObject& json = jsonBuffer.createObject();
json["apMode"] = apMode;
json["SSID"] = ssid;
json["Password"] = password;
boolean readPresetsFile() {
Serial.println("Reading presets.json");
File configFile = SPIFFS.open("/presets.json", "r");
if (!configFile) {
Serial.println("Failed to open config file");
return false;
}
size_t size = configFile.size();
if (size > 10024) {
Serial.println("Config file size is too large");
return false;
}
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size]);
File configFile = SPIFFS.open("/wifi.json", "w");
DynamicJsonBuffer presetsBuffer(presetsBufferSize);
configFile.readBytes(buf.get(), size);
JsonObject& root = presetsBuffer.parseObject(buf.get());
//root.prettyPrintTo(Serial);
JsonObject& sets = root["presets"];
for (JsonObject::iterator it = sets.begin(); it != sets.end(); ++it)
{
const char* keyStr = it->key;
unsigned int key = atoi(it->key);
// it->value contains the JsonVariant which can be casted as usual
const char* value = it->value;
JsonArray& values = sets[keyStr];
for (int x = 0; x < 4; x++)
{
presets[key-1][x] = values[x];
}
}
if (!root.success()) {
Serial.println("Failed to parse preset config file");
return false;
}
return true;
}
bool savePresetFile() {
DynamicJsonBuffer presetsBuffer(presetsBufferSize);
JsonObject& json = presetsBuffer.createObject();
JsonObject& sets = json.createNestedObject("presets");
for (int i = 0; i < maxPresets; i++)
{
int b = i+1;
JsonArray& set = sets.createNestedArray((String)b);
for (int x = 0; x < 4; x++)
{
set.add(presets[i][x]);
}
}
//json.prettyPrintTo(Serial);
File configFile = SPIFFS.open("/presets.json", "w");
if (!configFile) {
//Serial.println("Failed to open config file for writing");
return false;
@@ -244,19 +379,7 @@ bool saveConfigFile() {
return true;
}
void hSaveConf() {
bool success = saveConfigFile();
if (success)
{
server.send(200, "text/plain", "saved config to file,<br> reset or /resetwifi to apply settings");
}
else
{
server.send(500, "text/plain", "error saving file");
}
}
boolean readConfigFile() {
boolean readWifiConfig() {
Serial.println("Reading wifi.json");
File configFile = SPIFFS.open("/wifi.json", "r");
if (!configFile) {
@@ -294,6 +417,44 @@ boolean readConfigFile() {
return true;
}
bool saveWifiConfig() {
StaticJsonBuffer<200> jsonBuffer;
JsonObject& json = jsonBuffer.createObject();
json["apMode"] = apMode;
json["SSID"] = ssid;
json["Password"] = password;
File configFile = SPIFFS.open("/wifi.json", "w");
if (!configFile) {
//Serial.println("Failed to open config file for writing");
return false;
}
json.printTo(configFile);
return true;
}
void presetToLaser(int nr)
{
String msg = "AT SLV ";
msg += (String)presets[nr][0];
laserSerial.println(msg);
delay(20);
msg = "AT SMS 1 ";
msg += (String)presets[nr][1];
laserSerial.println(msg);
delay(20);
msg = "AT SMS 2 ";
msg += (String)presets[nr][2];
laserSerial.println(msg);
delay(20);
msg = "AT SMS 3 ";
msg += (String)presets[nr][3];
laserSerial.println(msg);
delay(20);
Serial.print("writenPresetToLaser: ");
Serial.println(nr);
}
void setupWifi()
{
WiFi.disconnect();
@@ -362,15 +523,18 @@ void setup(void) {
if (!readConfigFile())
if (!readWifiConfig())
{
Serial.println("reading wifi config failed, start SoftAP");
_apMode = 1;
}
delay(100);
setupWifi();
// loading presets
readPresetsFile();
// Setup MDNS responder
if (!MDNS.begin(myHostname)) {
Serial.println("Error setting up MDNS responder!");
@@ -383,19 +547,10 @@ void setup(void) {
//SERVER INIT
//list directory
server.on("/files", HTTP_GET, hFileList);
server.on("/files", HTTP_GET, hFileList);
server.on("/files", HTTP_POST, []() {
server.send(400, "text/plain", "400 Bad Request");
});
server.on("/saveconf", HTTP_GET, []() {
server.send(400, "text/plain", "400 Bad Request");
});
server.on("/saveconf", HTTP_POST, hSaveConf);
server.on("/resetwifi", HTTP_GET, []() {
server.send(400, "text/plain", "400 Bad Request");
});
server.on("/resetwifi", HTTP_POST, setupWifi);
server.on("/wificonfig", HTTP_GET, hReadWifi);
server.on("/wificonfig", HTTP_POST, hWriteWifi);
@@ -403,20 +558,50 @@ void setup(void) {
server.on("/spirograph", HTTP_GET, hReadSpiro);
server.on("/spirograph", HTTP_POST, hWriteSpiro);
server.on("/presets", HTTP_GET, hReadPresets);
server.on("/presets", HTTP_POST, []() {
server.send(400, "text/plain", "400 Bad Request");
});
server.on("/preset", HTTP_GET, []() {
server.send(400, "text/plain", "400 Bad Request");
});
server.on("/preset", HTTP_POST, hWritePreset);
server.on("/presetMode", HTTP_GET, []() {
String json = "{";
json += "\"presetMode\":" + String(presetMode);
json += "}";
server.send(200, "text/json", json);
json = String();
});
server.on("/presetMode", HTTP_POST, []() {
if (server.hasArg("presetMode") ) {
presetMode = server.arg("presetMode").toInt();
}
String json = "{";
json += "\"presetMode\":" + String(presetMode);
json += "}";
server.send(200, "text/json", json);
json = String();
});
server.on("/heap", HTTP_GET, []() {
String json = "{";
json += "\"heap\":" + String(ESP.getFreeHeap());
json += "}";
server.send(200, "text/json", json);
json = String();
});
});
server.on("/heap", HTTP_POST, []() {
server.send(400, "text/plain", "400 Bad Request");
});
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}
void handleNotFound() {
@@ -437,5 +622,23 @@ void handleNotFound() {
void loop(void) {
server.handleClient();
if (presetMode == 1)
{
if (millis() - previousMillis >= cycleTime)
{
presetToLaser(activePreset);
if (activePreset < 128)
{
activePreset++;
}
else
{
activePreset = 0;
}
previousMillis = millis();
}
}
}