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add an oled demo

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ladyada 2019-10-13 16:14:42 -04:00
parent c67ad48dbe
commit 0965ac5464
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examples/oleddemo/oleddemo.ino Normal file
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// OLED demo for accelerometer readings from Adafruit MSA301
#include <Wire.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_MSA301.h>
#include <Adafruit_Sensor.h>
Adafruit_MSA301 msa;
Adafruit_SSD1306 display = Adafruit_SSD1306(128, 32, &Wire);
void setup(void) {
Serial.begin(115200);
Serial.println("Adafruit MSA301 demo!");
// Try to initialize!
if (! msa.begin()) {
Serial.println("Failed to find MSA301 chip");
while (1) { delay(10); }
}
Serial.println("MSA301 Found!");
// SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3C for 128x32
Serial.println(F("SSD1306 allocation failed"));
for(;;); // Don't proceed, loop forever
}
display.display();
delay(500); // Pause for 2 seconds
display.setTextSize(1);
display.setTextColor(WHITE);
display.setRotation(0);
}
void loop() {
sensors_event_t event;
msa.getEvent(&event);
display.clearDisplay();
display.setTextSize(1);
display.setCursor(0,0);
display.println("- Adafruit MSA301 -");
/* Display the results (acceleration is measured in m/s^2) */
Serial.print("\t\tX: "); Serial.print(event.acceleration.x);
Serial.print(" \tY: "); Serial.print(event.acceleration.y);
Serial.print(" \tZ: "); Serial.print(event.acceleration.z);
Serial.println(" m/s^2 ");
display.setCursor(0, 8);
display.print("X: "); display.print(event.acceleration.x); display.println(" m/s^2 ");
display.print("Y: "); display.print(event.acceleration.y); display.println(" m/s^2 ");
display.print("Z: "); display.print(event.acceleration.z); display.println(" m/s^2 ");
display.display();
delay(100);
}