Magnetic sensor
示例代码
在arduino IDE中，点击「File」→「Examples」→「MMC56x3」→「magsensor」打开示例。
注意
掌控板MMC5603磁传感器连接到IIC接口，SDA接P20(GPIO44)，SCL接P19(GPIO443).
示例-MMC56x3.ino
1#include <MMC56x3.h>
2#include <Wire.h>
3
4/* Assign a unique ID to this sensor at the same time */
5MMC5603 mmc = MMC5603();
6
7void setup(void) {
8 Serial.begin(115200);
9 while (!Serial)
10 delay(10); // will pause Zero, Leonardo, etc until serial console opens
11
12 Serial.println("MMC5603 Magnetometer Test");
13 Serial.println("");
14
15 Wire.begin(44,43,400000);
16 /* Initialise the sensor */
17 if (!mmc.begin(MMC56X3_DEFAULT_ADDRESS, Wire)) { // I2C mode
18 /* There was a problem detecting the MMC5603 ... check your connections */
19 Serial.println("Ooops, no MMC5603 detected ... Check your wiring!");
20 while (1) delay(10);
21 }
22}
23
24MMC5603_Data_t data;
25
26void loop(void) {
27 // Get a new sensor event
28 mmc.getData(&data);
29
30 // Display the results (magnetic vector values are in micro-Tesla (uT))
31 Serial.print("X: ");
32 Serial.print(data.magX);
33 Serial.print(" ");
34 Serial.print("Y: ");
35 Serial.print(data.magY);
36 Serial.print(" ");
37 Serial.print("Z: ");
38 Serial.print(data.magZ);
39 Serial.print(" ");
40 Serial.println("uT");
41
42 // Read and display temperature
43 float temp_c = mmc.readTemperature();
44 Serial.print("Temp: "); Serial.print(temp_c); Serial.println(" *C");
45 // Delay before the next sample
46 delay(100);
47}
运行效果
串口打印磁传感器采集数据。