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Commit b4b92c17 authored by aliceg3's avatar aliceg3
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wifi stuff

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arduino_code/motor_control.ino
+ 17
− 9
View file @ b4b92c17
const int motorPin1 = 27;
const int motorPin2 = 26;
const int motorPin3 = 15;
const int motorPin4 = 13;
AccelStepper myStepper(AccelStepper::FULL4WIRE, motorPin1, motorPin2, motorPin3, motorPin4);
void setup() {
// put your setup code here, to run once:
serial.begin(9600)
Serial.begin(9600)
float steps_per_rotation=200;
float start_max_speed = 200; // in rpm, arbitrary start max speed, for testing*****
setMaxSpeed(start_max_speed); // based on chart maybe 1000 but that seems way too fast
setSpeed(start_max_speed*steps_per_rotation*60); // ***testing, may work for constant speed
myStepper.setMaxSpeed(start_max_speed); // based on chart maybe 1000 but that seems way too fast
myStepper.setSpeed(start_max_speed*steps_per_rotation*60); // ***testing, may work for constant speed
float min_speed = 20; // set to be the speed at which we apply the goal torque, based on chart maybe 600 but that seems too fast
float same_step_range = 10; // min number of steps allowed before increasing the same position count, test this range*****
float same_position_count = 0; // number of consecutive steps where the current position is within same_step_range as the previous position
float previous_pos=currentPosition()-same_step_range
float previous_pos=myStepper.currentPosition()-same_step_range
float new_pos=200 // 200(1 rotation) is arbitrary number of steps to increase each iteration, **possibly make new target proportional to speed
float reduce_rpm = 12; // when using set speed, reduces speed by 40 steps per second. => 40*60/200 = 2400/200 = 12rpm (rpm/0.3=num)
}
void loop() {
// put your main code here, to run repeatedly:
runToPosition(1)
myStepper.runToPosition(1)
while(cur_speed>=min_speed){
runToNewPosition(targetPosition()+new_pos);
if(currentPosition()-previous_pos<same_step_range){
myStepper.runToNewPosition(myStepper.targetPosition()+new_pos);
if(myStepper.currentPosition()-previous_pos<same_step_range){
same_position_count+=1;
}
else{
......@@ -27,9 +35,9 @@ void loop() {
}
if(same_position_count>1){ // check if it has stayed in the same position for the past two turns.
// setMaxSpeed(cur_speed-=40); // use if there is no way to implement this with the constant speed function.
setSpeed(speed()-(reduce_rpm/0.3));
myStepper.setSpeed(myStepper.speed()-(reduce_rpm/0.3));
}
previous_pos=currentPosition()
previous_pos=myStepper.currentPosition()
}
......
arduino_code/test_wificircuit/index.h 0 → 100644
+ 44
− 0
View file @ b4b92c17
const char MAIN_page[] PROGMEM = R"=====(
<!DOCTYPE html>
<html>
<style>
.card{
max-width: 400px;
min-height: 250px;
background: #02b875;
padding: 30px;
box-sizing: border-box;
color: #FFF;
margin:20px;
box-shadow: 0px 2px 18px -4px rgba(0,0,0,0.75);
}
</style>
<body>
<div class="card">
<h4>The ESP32 Update web page without refresh</h4><br>
<h1>Sensor Value:<span id="ADCValue">0</span></h1><br>
<br><a href="https://circuits4you.com">Circuits4you.com</a>
</div>
<script>
setInterval(function() {
// Call a function repetatively with 2 Second interval
getData();
}, 1000); //2000mSeconds update rate
function getData() {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
document.getElementById("ADCValue").innerHTML =
this.responseText;
}
};
xhttp.open("GET", "readADC", true);
xhttp.send();
}
</script>
</body>
</html>
)=====";
\ No newline at end of file
arduino_code/test_wificircuit/test_wificircuit.ino 0 → 100644
+ 123
− 0
View file @ b4b92c17
/*
* ESP32 AJAX Demo
* Updates and Gets data from webpage without page refresh
* https://circuits4you.com
*/
#include <WiFi.h>
#include <WiFiClient.h>
#include <WebServer.h>
#include "index.h" //Web page header file
#include <arduino-timer.h>
WebServer server(80);
//Enter your SSID and PASSWORD
const char* ssid = "Connectify-ESP32 Boot";
const char* password = "temp_pass1234";
int timerCounter = 0;
int intervals[13];
int intervalValues[13];
//===============================================================
// This routine is executed when you open its IP in browser
//===============================================================
void handleRoot() {
String s = MAIN_page; //Read HTML contents
server.send(200, "text/html", s); //Send web page
}
bool handlePressureIntervalCall (void *argument) {
int a = analogRead(34);
int aModulus = a % 300;
intervals[aModulus] += 1;
intervalValues[aModulus] += a;
timerCounter ++;
Serial.println("Value read: " + a );
Serial.println("Timer counter: " + timerCounter);
if (timerCounter == 10) {
return false;
timerCounter = 0;
}
else {
return true;
}
}
void handleADC() {
intervals[13];
intervalValues[13];
Timer<> timer;
timer.every(10, handlePressureIntervalCall);
timer.tick();
int maxIntervalSize = intervals[0];
int maxIntervalIndex = 0;
for (int index = 1; index < 13; index ++) {
if (intervals[index] > maxIntervalSize) {
maxIntervalIndex = index;
maxIntervalSize = intervals[index];
}
}
Serial.println("maxIntervalIndex: " + maxIntervalIndex);
int adcValueInt = intervalValues[maxIntervalIndex]/maxIntervalSize;
String adcValue = String(adcValueInt);
Serial.println("adcValue: " + adcValue);
Serial.println("******************************");
server.send(200, "text/plane", adcValue); //Send ADC value only to client ajax request
}
//===============================================================
// Setup
//===============================================================
void setup(void){
Serial.begin(115200);
Serial.println();
Serial.println("Booting Sketch...");
/*
//ESP32 As access point
WiFi.mode(WIFI_AP); //Access Point mode
WiFi.softAP(ssid, password);
*/
//ESP32 connects to your wifi -----------------------------------
WiFi.mode(WIFI_STA); //Connectto your wifi
WiFi.begin(ssid, password);
Serial.println("Connecting to ");
Serial.print(ssid);
//Wait for WiFi to connect
while(WiFi.waitForConnectResult() != WL_CONNECTED){
Serial.print(".");
}
//If connection successful show IP address in serial monitor
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP()); //IP address assigned to your ESP
//----------------------------------------------------------------
server.on("/", handleRoot); //This is display page
server.on("/readADC", handleADC);//To get update of ADC Value only
server.begin(); //Start server
Serial.println("HTTP server started");
}
//===============================================================
// This routine is executed when you open its IP in browser
//===============================================================
void loop(void){
server.handleClient();
delay(1);
}
\ No newline at end of file
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