diff --git a/examples/JSONdemo/JSONdemo.ino b/examples/JSONdemo/JSONdemo.ino index 28164a8..80d1f83 100644 --- a/examples/JSONdemo/JSONdemo.ino +++ b/examples/JSONdemo/JSONdemo.ino @@ -14,6 +14,10 @@ last revision November 2015 #include #include +// uncomment the next line if you have a 128x32 OLED on the I2C pins +//#define USE_OLED + + // Configure the pins used for the ESP32 connection #if !defined(SPIWIFI_SS) // if the wifi definition isnt in the board variant // Don't change the names of these #define's! they match the variant ones @@ -24,6 +28,11 @@ last revision November 2015 #define ESP32_GPIO0 -1 // Not connected #endif +#if defined(USE_OLED) + #include + Adafruit_SSD1306 display = Adafruit_SSD1306(128, 32, &Wire); +#endif + #include "arduino_secrets.h" ///////please enter your sensitive data in the Secret tab/arduino_secrets.h char ssid[] = SECRET_SSID; // your network SSID (name) @@ -46,10 +55,28 @@ WiFiSSLClient client; void setup() { //Initialize serial and wait for port to open: Serial.begin(9600); - while (!Serial) { - ; // wait for serial port to connect. Needed for native USB port only - } +#if defined(USE_OLED) + if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32 + Serial.println(F("SSD1306 allocation failed")); + for(;;); // Don't proceed, loop forever + } + display.display(); + display.setTextSize(1); + display.setTextColor(WHITE); + display.clearDisplay(); + display.setCursor(0,0); +#else + // Don't wait for serial if we have an OLED + while (!Serial) { + delay(10); // wait for serial port to connect. Needed for native USB port only + } +#endif + +#if defined(USE_OLED) + display.print("Checking Airlift..."); display.display(); +#endif + // check for the WiFi module: WiFi.setPins(SPIWIFI_SS, SPIWIFI_ACK, ESP32_RESETN, ESP32_GPIO0, &SPIWIFI); while (WiFi.status() == WL_NO_MODULE) { @@ -57,6 +84,10 @@ void setup() { delay(1000); } +#if defined(USE_OLED) + display.print("Found!"); display.display(); +#endif + String fv = WiFi.firmwareVersion(); if (fv < "1.0.0") { Serial.println("Please upgrade the firmware"); @@ -65,12 +96,23 @@ void setup() { // attempt to connect to Wifi network: Serial.print("Attempting to connect to SSID: "); Serial.println(ssid); +#if defined(USE_OLED) + display.clearDisplay(); display.setCursor(0,0); + display.print("Connecting to SSID\n"); display.println(ssid); + display.display(); +#endif + // Connect to WPA/WPA2 network. Change this line if using open or WEP network: do { status = WiFi.begin(ssid, pass); delay(100); // wait until connected } while (status != WL_CONNECTED); Serial.println("Connected to wifi"); +#if defined(USE_OLED) + display.print("...OK!"); + display.display(); +#endif + printWifiStatus(); } @@ -79,6 +121,12 @@ uint32_t bytes = 0; void loop() { Serial.println("\nStarting connection to server..."); +#if defined(USE_OLED) + display.clearDisplay(); display.setCursor(0,0); + display.print("Connecting to "); display.print(SERVER); + display.display(); +#endif + // if you get a connection, report back via serial: if (client.connect(SERVER, 443)) { Serial.println("connected to server"); @@ -95,6 +143,10 @@ void loop() { if (strcmp(status, "HTTP/1.1 200 OK") != 0) { Serial.print(F("Unexpected response: ")); Serial.println(status); +#if defined(USE_OLED) + display.print("Connection failed, code: "); display.println(status); + display.display(); +#endif return; } @@ -122,6 +174,15 @@ void loop() { Serial.print("Twitter username: "); Serial.println(root_0_screen_name); Serial.print("Twitter followers: "); Serial.println(root_0_followers_count); +#if defined(USE_OLED) + display.clearDisplay(); display.setCursor(0,0); + display.setTextSize(2); + display.println(root_0_screen_name); + display.println(root_0_followers_count); + display.display(); + display.setTextSize(1); +#endif + // Disconnect client.stop();