Examples cleanup

examples/HTTPClient/HTTPClient.ino

@@ -3,14 +3,12 @@
 #include "ArduinoCellular.h"
 #include "arduino_secrets.h"
 
-
 const char server[]   = "vsh.pp.ua";
 const char resource[] = "/TinyGSM/logo.txt";
 const int  port       = 80;
 
 ArduinoCellular cellular = ArduinoCellular();
-HttpClient http = cellular.getHTTPClient(server, port);
-
+HttpClient client = cellular.getHTTPClient(server, port);
 
 void setup(){
     Serial.begin(115200);
@@ -23,19 +21,18 @@ void loop(){
 
   Serial.println("Making GET request...");
 
-  http.get(resource);
+  client.get(resource);
 
-  int status_code = http.responseStatusCode();
-  String response = http.responseBody();
+  int statusCode = client.responseStatusCode();
+  String response = client.responseBody();
 
   Serial.print("Status code: ");
-  Serial.println(status_code);
+  Serial.println(statusCode);
   Serial.print("Response: ");
   Serial.println(response);
 
-  http.stop();
+  client.stop();
 
   delay(5000);
 
 }
-

examples/HTTPSClient/HTTPSClient.ino

@@ -4,13 +4,12 @@
 #include <ArduinoHttpClient.h>
 #include "arduino_secrets.h"
 
-
 const char server[]   = "example.com";
 const char resource[] = "/";
 const int  port       = 443;
 
 ArduinoCellular cellular = ArduinoCellular();
-HttpClient http = cellular.getHTTPSClient(server, port);
+HttpClient client = cellular.getHTTPSClient(server, port);
 
 void setup(){
     Serial.begin(115200);
@@ -20,21 +19,19 @@ void setup(){
     cellular.connect(SECRET_GPRS_APN, SECRET_GPRS_LOGIN, SECRET_GPRS_PASSWORD, SECRET_PINNUMBER);
 }
 
-void loop()
-{
+void loop(){
   Serial.println("Making GET request...");
 
-  http.get(resource);
+  client.get(resource);
 
-  int status_code = http.responseStatusCode();
-  String response = http.responseBody();
+  int statusCode = client.responseStatusCode();
+  String response = client.responseBody();
 
   Serial.print("Status code: ");
-  Serial.println(status_code);
+  Serial.println(statusCode);
   Serial.print("Response: ");
   Serial.println(response);
 
-  http.stop();
-
+  client.stop();
   delay(5000);
-}
+}

examples/SMSReceive/SMSReceive.ino → examples/ReceiveSMS/ReceiveSMS.ino

@@ -1,15 +1,13 @@
 #include "ArduinoCellular.h"
 #include "arduino_secrets.h"
 
+// #define TINY_GSM_DEBUG Serial
+// #define ARDUINO_CELLULAR_DEBUG
 
-
-#define TINY_GSM_DEBUG Serial
-#define ARDUINO_CELLULAR_DEBUG
+constexpr int NEW_SMS_INTERRUPT_PIN = A0;
 
 ArduinoCellular cellular = ArduinoCellular();
-
-boolean newSMS = false;
-
+volatile boolean newSMSavailable = false;
 
 void printMessages(std::vector<SMS> msg){
      for(int i = 0; i < msg.size(); i++){
@@ -20,18 +18,20 @@ void printMessages(std::vector<SMS> msg){
     }
 }
 void newSMSCallback(){
-    Serial.println("new sms received");
-    newSMS = true;
+    Serial.println("New SMS received!");
+    newSMSavailable = true;
 }
 
 void setup(){
     Serial.begin(115200);
     while (!Serial);
+
     cellular.begin();
+    Serial.println("Connecting...");
     cellular.connect(SECRET_GPRS_APN, SECRET_GPRS_LOGIN, SECRET_GPRS_PASSWORD, SECRET_PINNUMBER);
 
-
-    attachInterrupt(digitalPinToInterrupt(A0), newSMSCallback, RISING);
+    // Register interrupt based callback for new SMS
+    attachInterrupt(digitalPinToInterrupt(NEW_SMS_INTERRUPT_PIN), newSMSCallback, RISING);
 
     Serial.println("Read SMS:");
     std::vector<SMS> readSMS = cellular.getReadSMS();
@@ -40,16 +40,14 @@ void setup(){
     Serial.println("Unread SMS:");
     std::vector<SMS> unreadSMS = cellular.getUnreadSMS();
     printMessages(unreadSMS);
-
-    cellular.sendSMS("+40788494946", "bleep bleep");
 }
 
 void loop(){
-    if(newSMS){
-        newSMS = false;
+    if(newSMSavailable){
+        newSMSavailable = false;
         std::vector<SMS> unreadSMS = cellular.getUnreadSMS();
         if (unreadSMS.size() > 0){
             printMessages(unreadSMS);
         }
     }
-}
+}