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add nice oled

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This commit is contained in:
ladyada 2019-04-10 18:07:45 -04:00
parent 4619aea23a
commit 8ad2cab74e
1 changed files with 64 additions and 3 deletions
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65
examples/JSONdemo/JSONdemo.ino
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@ -14,6 +14,10 @@ last revision November 2015
#include <WiFiNINA.h>
#include <ArduinoJson.h>
// 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.h>
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)
@ -46,9 +55,27 @@ 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);
@ -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();