From 963aca1e6a771ddd98a9b380c2fe64722ec9e9f0 Mon Sep 17 00:00:00 2001
From: sjamma2 <sjamma2@illinois.edu>
Date: Thu, 2 May 2024 05:27:38 -0500
Subject: [PATCH] Upload New File
---
.../swarna/espNow_dispenser_recieve_data.ino | 146 ++++++++++++++++++
1 file changed, 146 insertions(+)
create mode 100644 notebooks/swarna/espNow_dispenser_recieve_data.ino
diff --git a/notebooks/swarna/espNow_dispenser_recieve_data.ino b/notebooks/swarna/espNow_dispenser_recieve_data.ino
new file mode 100644
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+/*********
+ Rui Santos
+ Complete project details at https://RandomNerdTutorials.com/esp-now-one-to-many-esp32-esp8266/
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files.
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+*********/
+
+#include <esp_now.h>
+#include <WiFi.h>
+#include <Stepper.h>
+#include <math.h>
+
+// Motor Driver Pins
+#define t1 8
+#define t2 9
+#define t3 10
+#define t4 11
+
+#define a1 12
+#define a2 13
+#define a3 14
+#define a4 15
+
+#define b1 8
+#define b2 9
+#define b3 10
+#define b4 11
+
+const int stepsPerRevolution = 100;
+
+//Structure example to receive data
+//Must match the sender structure
+typedef struct test_struct {
+ float ph;
+ float tds;
+ float temp;
+} test_struct;
+
+//Create a struct_message called myData
+test_struct myData;
+float tds;
+float ph = 7;
+float temp;
+int tds_flag = 0;
+
+//callback function that will be executed when data is received
+void OnDataRecv(const uint8_t * mac, const uint8_t *incomingData, int len) {
+ memcpy(&myData, incomingData, sizeof(myData));
+ Serial.print("Bytes received: ");
+ Serial.println(len);
+ Serial.print("ph: ");
+ Serial.println(myData.ph);
+ Serial.print(" TDS: ");
+ Serial.println(myData.tds);
+ Serial.print(" Temp: ");
+ Serial.println(myData.temp);
+ Serial.println();
+
+ /// ASSIGN VARIABLES HERE
+ ph = myData.ph;
+ tds = myData.tds;
+ temp = myData.temp;
+
+}
+
+// initialize the stepper library
+Stepper chlor_stepper(stepsPerRevolution, t1, t2, t3, t4);
+Stepper acid_stepper(stepsPerRevolution, a1, a2, a3, a4);
+Stepper basic_stepper(stepsPerRevolution, b1, b2, b3, b4);
+
+void setup() {
+ //Initialize Serial Monitor
+ Serial.begin(115200);
+
+ // Set device as a Wi-Fi Station
+ WiFi.mode(WIFI_STA);
+
+ // Init ESP-NOW
+ if (esp_now_init() != ESP_OK) {
+ Serial.println("Error initializing ESP-NOW");
+ return;
+ }
+
+ //stepper motors init
+ chlor_stepper.setSpeed(150);
+ acid_stepper.setSpeed(150);
+ basic_stepper.setSpeed(150);
+
+ // Once ESPNow is successfully Init, we will register for recv CB to
+ // get recv packer info
+ esp_now_register_recv_cb(OnDataRecv);
+}
+
+int loop_num;
+void loop() {
+ // tds = 11500;
+ delay(4000);
+ ph = 7.1;
+ if (ph < 7.2) {
+ loop_num = ceil((7.6 - ph)/0.1); // one rotation for every 0.1 ph lower than normal --> change 0.1 to actual value
+ // Serial.print(loop_num);
+ chlor_stepper.step(stepsPerRevolution*9*loop_num);
+ // Serial.print(" One round ");
+ }
+
+ if (ph > 7.8) {
+ loop_num = floor((7.4 - ph)/0.1); // change 0.1 to how much increases
+ acid_stepper.step(stepsPerRevolution);
+ }
+
+ // if (tds_flag == 1) {
+ // if (old_tds > tdsValue+25) {
+ // tds_flag = 0;
+ // Serial.println("Chlorine helped lower TDS value.");
+ // } else {
+ // Serial.println("Chlorine did not change TDS value. Please filter your water.");
+ // tds_flag = 0;
+ // }
+ if (tds > 1000) {
+ loop_num = (tds - 1000)/12; // how much it actually lowers (normally 1/10000 lbs/gal for 12ppm increase)
+ chlor_stepper.step(stepsPerRevolution);
+ }
+
+ //TDS output
+ // Serial.print(" TDS Value:");
+ // Serial.print(tds,0);
+ // Serial.println("ppm");
+
+ //pH output
+ // Serial.print(" pH Value:");
+ // Serial.print(ph);
+
+ // if (temp < 26 || temp > 28) {
+ // Serial.print("Temperature is out of range.");
+ // } else {
+ // Serial.print("Temperature is within the proper range.");
+ // }
+
+ // ph = 7.5;
+ delay(4000); // one minute
+
+}
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--
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