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Author SHA1 Message Date
henne c8f96c4b69 feat: fluroclock, espnow remote, improvements and 11404 2022-07-25 10:04:51 +02:00
henne 79f110c0ce feature: api with highscore, last 10 speed measures and manual flashing as well as setting the speedlimit via api, hardcoded for mch2022 2022-07-24 03:09:22 +02:00
14 changed files with 489 additions and 119 deletions
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2
.gitignore vendored
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@ -3,4 +3,4 @@
.clang_complete .clang_complete
.gcc-flags.json .gcc-flags.json
.pio .pio
.DS_Store

5
blitzercontroller/platformio.ini
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@ -12,6 +12,7 @@
platform = espressif8266 platform = espressif8266
board = d1_mini board = d1_mini
framework = arduino framework = arduino
monitor_speed = 115200 monitor_speed = 115200
lib_deps = me-no-dev/ESP Async WebServer@^1.2.3
upload_port=/dev/tty.usbserial-1320
monitor_port=/dev/tty.usbserial-1320

32
blitzercontroller/src/fluroclock.cpp Normal file
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#include <fluroclock.h>
#include <ESP8266HTTPClient.h>
#include <WiFiClient.h>
#include <string>
String url = "http://151.217.19.22/api/panel/numeric";
WiFiClient client;
HTTPClient http;
void setPanel(int, char);
void displaySpeed(float speed) {
char buffer[6];
dtostrf(speed, 6, 2, buffer);
setPanel(4, buffer[1]);
setPanel(3, buffer[2]);
setPanel(2, buffer[4]);
setPanel(1, buffer[5]);
}
void setPanel(int panel_id, char value) {
http.begin(client, url.c_str());
http.addHeader("Content-Type", "application/json");
String request = "{\"panel_id\":\"";
request.concat(panel_id);
request.concat("\", \"value\": \"");
request.concat(value);
request.concat("\"}");
Serial.println(request);
http.POST(request);
http.end();
}

5
blitzercontroller/src/fluroclock.h Normal file
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#ifndef fluroclock_h
#define fluroclock_h
void displaySpeed(float speed);
#endif

78
blitzercontroller/src/index.html Normal file
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<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Blitzer</title>
<style type="text/css">
body, html {
padding: 0;
margin: 10px 20px;
font-family: sans-serif;
}
.btn {
width: 100%;
height: 70px;
background-color: red;
color: white;
}
</style>
</head>
<body>
<h1>Blitzercontrol</h1>
<button onclick="getData()">Refresh</button>
<h2>Highscore</h2>
<span id="highscore">23km/h</span>
<h2>Letzte Messungen</h2>
<ul id="lastSpeeds">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<h2>Manuelle Steuerung</h2>
<button class="btn" onclick="flash()">Flash</button>
<h2>Speed setting</h2>
<input id="threshold" type="text" /> km/h<br />
<button onclick="setSpeed()">Set Speed</button>
<script type="text/javascript">
const highscoreElem = document.getElementById("highscore");
const lastSpeeds = document.getElementById("lastSpeeds");
const thresholdFieldElem = document.getElementById("threshold");
function flash() {
fetch('/flash').then(() => {});
}
function setSpeed() {
console.log('/set?speed=' + thresholdFieldElem.value);
fetch('/set?speed=' + thresholdFieldElem.value);
}
function getData() {
const controller = new AbortController();
const id = setTimeout(() => controller.abort(), 1500);
fetch('/data.json', {
signal: controller.signal
})
.then(response => response.json())
.then(data => {
clearTimeout(id);
highscoreElem.innerText = data.highscore + ' km/h';
let c = lastSpeeds.children;
for(let i=0; i<data.lastSpeeds.length; i++) {
c[i].innerText = data.lastSpeeds[i] + ' km/h';
}
thresholdFieldElem.value = data.threshold
});
}
window.setInterval(getData, 5000)
getData();
</script>
</body>
</html>

119
blitzercontroller/src/main.cpp
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@ -1,121 +1,12 @@
#include <Arduino.h> #include <main.h>
float flashspeed=20; //in kmh
unsigned long flashdeadtime=1000; //in ms
#define PIN_SW1 D6
#define PIN_SW2 D5
#define PIN_TRIGGER D7
volatile boolean sw1_flag = false;
volatile boolean sw2_flag = false;
unsigned long sw1_lastTime=0;
unsigned long sw2_lastTime=0;
float calib_distance=0.062; //distance of sensors in meters
#define SWDEBOUNCE 100000
ICACHE_RAM_ATTR void interrupt_sw1();
ICACHE_RAM_ATTR void interrupt_sw2();
float getLastSpeed1();
float getLastSpeed2();
void doTrigger1();
void doTrigger2();
void setup() { void setup() {
pinMode(PIN_SW1, INPUT_PULLUP); handleSpeedSetup();
pinMode(PIN_SW2, INPUT_PULLUP); handleRemoteSetup();
pinMode(PIN_TRIGGER, OUTPUT);
attachInterrupt(digitalPinToInterrupt(PIN_SW1), interrupt_sw1, FALLING);
attachInterrupt(digitalPinToInterrupt(PIN_SW2), interrupt_sw2, FALLING);
digitalWrite(PIN_TRIGGER, HIGH); //active low
Serial.begin(115200); Serial.begin(115200);
beginWiFi();
} }
void loop() { void loop() {
handleSpeedLoop();
if (sw1_flag){
sw1_flag=false;
sw1_lastTime=micros();
Serial.println("SW1");
doTrigger1();
}
if (sw2_flag){
sw2_flag=false;
sw2_lastTime=micros();
Serial.println("SW2");
doTrigger2();
}
}
void doTrigger1() {
static unsigned long last_flash=0;
float speed=getLastSpeed1();
if (speed*3.6<0.1) {
return;
}
if (millis()-last_flash>flashdeadtime) { //deadtime
last_flash=millis();
if (speed*3.6 >= flashspeed) {
Serial.print("> Speed="); Serial.print(speed*3.6); Serial.println(" km/h");
Serial.println("Flash");
pinMode(PIN_TRIGGER, INPUT); //high impedance
delay(100);
pinMode(PIN_TRIGGER, OUTPUT); digitalWrite(PIN_TRIGGER, LOW);
}
}
}
void doTrigger2() {
static unsigned long last_flash=0;
float speed=getLastSpeed2();
if (speed*3.6<0.1) {
return;
}
if (millis()-last_flash>flashdeadtime) { //deadtime
last_flash=millis();
if (speed*3.6 >= flashspeed) {
Serial.print("> Speed="); Serial.print(speed*3.6); Serial.println(" km/h");
Serial.println("Flash");
pinMode(PIN_TRIGGER, INPUT); //high impedance
delay(100);
pinMode(PIN_TRIGGER, OUTPUT); digitalWrite(PIN_TRIGGER, LOW);
}
}
}
ICACHE_RAM_ATTR void interrupt_sw1() {
if (sw1_lastTime+SWDEBOUNCE<micros()){
sw1_flag=true;
}
}
ICACHE_RAM_ATTR void interrupt_sw2() {
if (sw2_lastTime+SWDEBOUNCE<micros()){
sw2_flag=true;
}
}
float getLastSpeed1() {
return calib_distance/((sw1_lastTime-sw2_lastTime)/1000000.0);
}
float getLastSpeed2() {
return calib_distance/((sw2_lastTime-sw1_lastTime)/1000000.0);
} }

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blitzercontroller/src/main.h Normal file
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#ifndef main_h
#define main_h
#include <Arduino.h>
#include <speed.h>
#include <webserver.h>
#include <remote.h>
#endif

31
blitzercontroller/src/remote.cpp Normal file
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#include <remote.h>
// Create a struct_message called myData
struct_message recvRemoteData;
// callback function that will be executed when data is received
void OnDataRecv(uint8_t *mac, uint8_t *incomingData, uint8_t len)
{
Serial.println("received data");
String data = String((char *)incomingData);
if (data.equals("flash"))
{
flash();
}
}
void handleRemoteSetup()
{
// Init ESP-NOW
if (esp_now_init() != 0)
{
Serial.println("Error initializing ESP-NOW");
return;
}
// Once ESPNow is successfully Init, we will register for recv CB to
// get recv packer info
esp_now_set_self_role(ESP_NOW_ROLE_SLAVE);
esp_now_register_recv_cb(OnDataRecv);
}

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blitzercontroller/src/remote.h Normal file
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#ifndef remote_h
#define remote_h
#include <Arduino.h>
#include <espnow.h>
#include <speed.h>
typedef struct struct_message {
int action;
} struct_message;
void handleRemoteSetup();
#endif

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blitzercontroller/src/site.h Normal file
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#include <ESPAsyncWebServer.h>
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Blitzer</title>
<style type="text/css">
body, html {
padding: 0;
margin: 10px 20px;
font-family: sans-serif;
}
.btn {
width: 100%;
height: 70px;
background-color: red;
color: white;
}
</style>
</head>
<body>
<h1>Blitzercontrol</h1>
<button onclick="getData()">Refresh</button>
<h2>Highscore</h2>
<span id="highscore">23km/h</span>
<h2>Letzte Messungen</h2>
<ul id="lastSpeeds">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
<h2>Manuelle Steuerung</h2>
<button class="btn" onclick="flash()">Flash</button>
<h2>Speed setting</h2>
<input id="threshold" type="text" /> km/h<br />
<button onclick="setSpeed()">Set Speed</button>
<script type="text/javascript">
const highscoreElem = document.getElementById("highscore");
const lastSpeeds = document.getElementById("lastSpeeds");
const thresholdFieldElem = document.getElementById("threshold");
function flash() {
fetch('/flash').then(() => {});
}
function setSpeed() {
console.log('/set?speed=' + thresholdFieldElem.value);
fetch('/set?speed=' + thresholdFieldElem.value);
}
function getData() {
const controller = new AbortController();
const id = setTimeout(() => controller.abort(), 1500);
fetch('/data.json', {
signal: controller.signal
})
.then(response => response.json())
.then(data => {
clearTimeout(id);
highscoreElem.innerText = data.highscore + ' km/h';
let c = lastSpeeds.children;
for(let i=0; i<data.lastSpeeds.length; i++) {
c[i].innerText = data.lastSpeeds[i] + ' km/h';
}
thresholdFieldElem.value = data.threshold
});
}
getData();
</script>
</body>
</html>
)rawliteral";

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blitzercontroller/src/speed.cpp Normal file
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#include <speed.h>
#define PIN_SW1 D6
#define PIN_SW2 D5
#define PIN_TRIGGER D7
unsigned long sw1_lastTime = 0;
unsigned long sw2_lastTime = 0;
unsigned long sw1_lastTime_e = 0;
unsigned long sw2_lastTime_e = 0;
float flashspeed = 20; // in kmh
unsigned long flashdeadtime = 1000; // in ms
float calib_distance = 0.1; // distance of sensors in meters
float lastMeasuredSpeeds[10];
float highscore = 0;
unsigned long last_flash = 0;
bool flashNext = false;
#define SWDEBOUNCE 1000000
ICACHE_RAM_ATTR void interrupt_sw1();
ICACHE_RAM_ATTR void interrupt_sw2();
float getLastSpeed();
void handleSpeedSetup()
{
pinMode(PIN_SW1, INPUT_PULLUP);
pinMode(PIN_SW2, INPUT_PULLUP);
pinMode(PIN_TRIGGER, OUTPUT);
attachInterrupt(digitalPinToInterrupt(PIN_SW2), interrupt_sw2, FALLING);
attachInterrupt(digitalPinToInterrupt(PIN_SW1), interrupt_sw1, FALLING);
digitalWrite(PIN_TRIGGER, HIGH); // active low
}
void handleSpeedLoop()
{
// reset micros within the first half second to care for overflowing micros
if (micros() < 500000)
{
sw1_lastTime = 0;
sw2_lastTime = 0;
sw1_lastTime_e = 0;
sw2_lastTime_e = 0;
}
if (millis() < 500)
{
last_flash = 0;
}
if (sw1_lastTime > 0 && sw2_lastTime > 0 && sw2_lastTime - sw1_lastTime > 1200 && sw2_lastTime - sw1_lastTime < 10000000)
{
// 0,036 km/h - 300 km/h und sw2 nach sw1 ausgelöst
doTrigger(getLastSpeed());
sw2_lastTime = 0;
sw1_lastTime = 0;
}
{
/* code */
}
if (flashNext)
{
flashNext = false;
Serial.print("Flashing");
pinMode(PIN_TRIGGER, INPUT); // high impedance
delay(100);
pinMode(PIN_TRIGGER, OUTPUT);
digitalWrite(PIN_TRIGGER, LOW);
Serial.println("..");
}
}
void doTrigger(float speed)
{
if (millis() - last_flash > flashdeadtime)
{ // deadtime
last_flash = millis();
if (speed >= flashspeed)
{
addLastSpeed(speed);
Serial.print("> Speed=");
Serial.print(speed);
Serial.println(" km/h - FLASH");
flash();
}
else
{
Serial.print(">> Speed=");
Serial.print(speed);
Serial.println(" km/h");
}
}
}
void flash()
{
flashNext = true;
}
void addLastSpeed(float speed)
{
for (int i = 0; i < 9; i++)
{
lastMeasuredSpeeds[i] = lastMeasuredSpeeds[i + 1];
}
lastMeasuredSpeeds[9] = speed;
displaySpeed(speed);
if (highscore < speed)
{
highscore = speed;
}
}
ICACHE_RAM_ATTR void interrupt_sw1()
{
if (sw1_lastTime_e + SWDEBOUNCE < micros())
{
sw1_lastTime_e = micros();
sw1_lastTime = micros();
Serial.print("SW1 - ");
Serial.println(micros());
}
}
ICACHE_RAM_ATTR void interrupt_sw2()
{
if (sw2_lastTime_e + SWDEBOUNCE < micros())
{
sw2_lastTime_e = micros();
Serial.print("SW2 - ");
Serial.println(micros());
if (sw1_lastTime > 0)
{
sw2_lastTime = micros();
}
}
}
float getLastSpeed()
{
return calib_distance / ((sw2_lastTime - sw1_lastTime + 11404) / 1000000.0) * 3.6; // lichtschranke 1 kaputt, hat delay, brauchen 11404 microsekunden mehr, trust me.
}

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blitzercontroller/src/speed.h Normal file
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#ifndef speed_h
#define speed_h
#include <Arduino.h>
#include <fluroclock.h>
extern float flashspeed;
extern float highscore;
extern unsigned long flashdeadtime;
extern float calib_distance;
extern float lastMeasuredSpeeds[10];
void flash();
void handleSpeedLoop();
void handleSpeedSetup();
void doTrigger(float speed);
void addLastSpeed(float speed);
#endif

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blitzercontroller/src/webserver.cpp Normal file
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#include <webserver.h>
AsyncWebServer server(80);
void beginWiFi() {
WiFi.setHostname("chaoswestbliz");
WiFi.begin("MCH2022-open", "");
while(WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("ESP8266 Board MAC Address: ");
Serial.println(WiFi.macAddress());
Serial.println("");
Serial.print("ESP822 IP: ");
Serial.println(WiFi.localIP());
Serial.println(WiFi.channel());
server.on("/", HTTP_GET, [] (AsyncWebServerRequest *request) {
request->send(200, "text/html", index_html);
});
server.on("/set", HTTP_GET, [] (AsyncWebServerRequest *request) {
String s;
String message;
if (request->hasParam("speed")) {
s = request->getParam("speed")->value();
flashspeed = s.toFloat();
message = "Speed set successfully";
} else {
message = "No message sent";
}
Serial.print("Speed set to ");
Serial.print(s);
Serial.println("km/h");
request->send(200, "text/plain", "OK");
});
server.on("/flash", HTTP_GET, [] (AsyncWebServerRequest *request) {
flash();
request->send(200, "text/plain", "OK");
});
server.on("/data.json", HTTP_GET, [] (AsyncWebServerRequest *request) {
String response = "{\"highscore\":";
response.concat(highscore);
response.concat(", \"threshold\": ");
response.concat(flashspeed);
response.concat(",\"lastSpeeds\": [");
for(int i=0;i<10;i++) {
response.concat(lastMeasuredSpeeds[i]);
if(i<9) {
response.concat(", ");
}
}
response.concat("]}");
request->send(200, "application/json", response);
});
server.begin();
}

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blitzercontroller/src/webserver.h Normal file
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#ifndef webserver_h
#define webserver_h
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESPAsyncWebServer.h>
#include <speed.h>
#include <site.h>
void beginWiFi();
#endif