“(SKU:RB-02S073)LSM9DS0- 9轴姿态传感器”的版本间的差异
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第101行: | 第101行: | ||
[https://github.com/sparkfun/SparkFun_LSM9DS0_Arduino_Library 库文件官方下载地址]<br/> | [https://github.com/sparkfun/SparkFun_LSM9DS0_Arduino_Library 库文件官方下载地址]<br/> | ||
<pre style='color:blue'> | <pre style='color:blue'> | ||
− | #include <SPI.h> | + | #include <SPI.h> // Included for SFE_LSM9DS0 library |
#include <Wire.h> | #include <Wire.h> | ||
#include <SFE_LSM9DS0.h> | #include <SFE_LSM9DS0.h> | ||
− | #define LSM9DS0_XM 0x1D | + | #define LSM9DS0_XM 0x1D // Would be 0x1E if SDO_XM is LOW |
− | #define LSM9DS0_G 0x6B | + | #define LSM9DS0_G 0x6B // Would be 0x6A if SDO_G is LOW |
LSM9DS0 dof(MODE_I2C, LSM9DS0_G, LSM9DS0_XM); | LSM9DS0 dof(MODE_I2C, LSM9DS0_G, LSM9DS0_XM); | ||
− | + | const byte INT1XM = 2; // INT1XM tells us when accel data is ready | |
− | + | const byte INT2XM = 3; // INT2XM tells us when mag data is ready | |
+ | const byte DRDYG = 4; // DRDYG tells us when gyro data is ready | ||
+ | boolean printRaw = true; | ||
void setup() | void setup() | ||
{ | { | ||
− | Serial.begin(115200); | + | // Set up interrupt pins as inputs: |
+ | pinMode(INT1XM, INPUT); | ||
+ | pinMode(INT2XM, INPUT); | ||
+ | pinMode(DRDYG, INPUT); | ||
+ | |||
+ | Serial.begin(115200); // Start serial at 115200 bps | ||
uint16_t status = dof.begin(); | uint16_t status = dof.begin(); | ||
− | |||
Serial.println(status, HEX); | Serial.println(status, HEX); | ||
− | |||
− | |||
} | } | ||
void loop() | void loop() | ||
{ | { | ||
− | + | printMenu(); | |
− | + | while (!Serial.available()) | |
− | + | parseMenu(Serial.read()); | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
} | } | ||
− | void | + | void printAccel() |
{ | { | ||
− | dof. | + | if (digitalRead(INT1XM)) |
− | + | { | |
− | + | dof.readAccel(); | |
− | + | ||
− | + | Serial.print("A: "); | |
− | + | if (printRaw) | |
− | + | { | |
− | + | Serial.print(dof.ax); | |
− | + | Serial.print(", "); | |
− | + | Serial.print(dof.ay); | |
− | + | Serial.print(", "); | |
− | + | Serial.println(dof.az); | |
− | + | } | |
− | + | else | |
− | + | { | |
+ | Serial.print(dof.calcAccel(dof.ax)); | ||
+ | Serial.print(", "); | ||
+ | Serial.print(dof.calcAccel(dof.ay)); | ||
+ | Serial.print(", "); | ||
+ | Serial.println(dof.calcAccel(dof.az)); | ||
+ | } | ||
+ | } | ||
} | } | ||
− | void | + | void printGyro() |
{ | { | ||
− | dof. | + | if (digitalRead(DRDYG)) |
− | + | { | |
− | + | dof.readGyro(); | |
− | + | ||
− | + | Serial.print("G: "); | |
− | + | if (printRaw) | |
− | + | { | |
− | + | Serial.print(dof.gx); | |
− | + | Serial.print(", "); | |
− | + | Serial.print(dof.gy); | |
− | + | Serial.print(", "); | |
− | + | Serial.println(dof.gz); | |
− | + | } | |
− | + | else | |
− | + | { | |
− | + | Serial.print(dof.calcGyro(dof.gx)); | |
+ | Serial.print(", "); | ||
+ | Serial.print(dof.calcGyro(dof.gy)); | ||
+ | Serial.print(", "); | ||
+ | Serial.println(dof.calcGyro(dof.gz)); | ||
+ | } | ||
+ | } | ||
} | } | ||
void printMag() | void printMag() | ||
{ | { | ||
− | dof.readMag(); | + | if (digitalRead(INT2XM)) |
− | + | { | |
− | + | dof.readMag(); | |
− | + | ||
− | + | Serial.print("M: "); | |
− | + | if (printRaw) | |
− | + | { | |
− | + | Serial.print(dof.mx); | |
− | + | Serial.print(", "); | |
− | + | Serial.print(dof.my); | |
− | + | Serial.print(", "); | |
− | + | Serial.print(dof.mz); | |
− | + | Serial.print(", "); | |
− | + | Serial.println(calcHeading(dof.mx, dof.my)); | |
− | + | } | |
+ | else | ||
+ | { | ||
+ | Serial.print(dof.calcMag(dof.mx), 4); | ||
+ | Serial.print(", "); | ||
+ | Serial.print(dof.calcMag(dof.my), 4); | ||
+ | Serial.print(", "); | ||
+ | Serial.print(dof.calcMag(dof.mz), 4); | ||
+ | Serial.print(", "); | ||
+ | Serial.println(calcHeading(dof.mx, dof.my)); | ||
+ | } | ||
+ | } | ||
} | } | ||
− | + | float calcHeading(float hx, float hy) | |
− | { | + | { |
− | + | ||
− | + | ||
if (hy > 0) | if (hy > 0) | ||
{ | { | ||
− | + | return 90 - (atan(hx / hy) * 180 / PI); | |
} | } | ||
else if (hy < 0) | else if (hy < 0) | ||
{ | { | ||
− | + | return 270 - (atan(hx / hy) * 180 / PI); | |
} | } | ||
else // hy = 0 | else // hy = 0 | ||
{ | { | ||
− | if (hx < 0) | + | if (hx < 0) return 180; |
− | else | + | else return 0; |
} | } | ||
− | |||
− | |||
− | |||
} | } | ||
− | void | + | void streamAll() |
{ | { | ||
− | + | if ((digitalRead(INT2XM)) && (digitalRead(INT1XM)) && | |
− | + | (digitalRead(DRDYG))) | |
− | + | { | |
− | + | printAccel(); | |
− | + | printGyro(); | |
− | Serial. | + | printMag(); |
− | Serial. | + | } |
− | Serial. | + | } |
− | Serial.println( | + | void setScale() |
+ | { | ||
+ | char c; | ||
+ | Serial.println(F("Set accelerometer scale:")); | ||
+ | Serial.println(F("\t1) +/- 2G")); | ||
+ | Serial.println(F("\t2) +/- 4G")); | ||
+ | Serial.println(F("\t3) +/- 6G")); | ||
+ | Serial.println(F("\t4) +/- 8G")); | ||
+ | Serial.println(F("\t5) +/- 16G")); | ||
+ | while (Serial.available() < 1) | ||
+ | ; | ||
+ | c = Serial.read(); | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | dof.setAccelScale(dof.A_SCALE_2G); | ||
+ | break; | ||
+ | case '2': | ||
+ | dof.setAccelScale(dof.A_SCALE_4G); | ||
+ | break; | ||
+ | case '3': | ||
+ | dof.setAccelScale(dof.A_SCALE_6G); | ||
+ | break; | ||
+ | case '4': | ||
+ | dof.setAccelScale(dof.A_SCALE_8G); | ||
+ | break; | ||
+ | case '5': | ||
+ | dof.setAccelScale(dof.A_SCALE_16G); | ||
+ | break; | ||
+ | } | ||
+ | // Print the gyro scale ranges: | ||
+ | Serial.println(F("Set gyroscope scale:")); | ||
+ | Serial.println(F("\t1) +/- 245 DPS")); | ||
+ | Serial.println(F("\t2) +/- 500 DPS")); | ||
+ | Serial.println(F("\t3) +/- 2000 DPS")); | ||
+ | // Wait for a character to come in: | ||
+ | while (Serial.available() < 1); | ||
+ | c = Serial.read(); | ||
+ | // Use the setGyroScale function to set the gyroscope | ||
+ | // full-scale range to any of the possible ranges. These ranges | ||
+ | // are all defined in SFE_LSM9DS0.h. | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | dof.setGyroScale(dof.G_SCALE_245DPS); | ||
+ | break; | ||
+ | case '2': | ||
+ | dof.setGyroScale(dof.G_SCALE_500DPS); | ||
+ | break; | ||
+ | case '3': | ||
+ | dof.setGyroScale(dof.G_SCALE_2000DPS); | ||
+ | break; | ||
+ | } | ||
+ | Serial.println(F("Set magnetometer scale:")); | ||
+ | Serial.println(F("\t1) +/- 2GS")); | ||
+ | Serial.println(F("\t2) +/- 4GS")); | ||
+ | Serial.println(F("\t3) +/- 8GS")); | ||
+ | Serial.println(F("\t4) +/- 12GS")); | ||
+ | while (Serial.available() < 1) | ||
+ | ; | ||
+ | c = Serial.read(); | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | dof.setMagScale(dof.M_SCALE_2GS); | ||
+ | break; | ||
+ | case '2': | ||
+ | dof.setMagScale(dof.M_SCALE_4GS); | ||
+ | break; | ||
+ | case '3': | ||
+ | dof.setMagScale(dof.M_SCALE_8GS); | ||
+ | break; | ||
+ | case '4': | ||
+ | dof.setMagScale(dof.M_SCALE_12GS); | ||
+ | break; | ||
+ | } | ||
+ | } | ||
+ | void setRaw() | ||
+ | { | ||
+ | if (printRaw) | ||
+ | { | ||
+ | printRaw = false; | ||
+ | Serial.println(F("Printing calculated readings")); | ||
+ | } | ||
+ | else | ||
+ | { | ||
+ | printRaw = true; | ||
+ | Serial.println(F("Printing raw readings")); | ||
+ | } | ||
+ | } | ||
+ | void setODR() | ||
+ | { | ||
+ | char c; | ||
+ | Serial.println(F("Set Accelerometer ODR (Hz):")); | ||
+ | Serial.println(F("\t1) 3.125 \t 6) 100")); | ||
+ | Serial.println(F("\t2) 6.25 \t 7) 200")); | ||
+ | Serial.println(F("\t3) 12.5 \t 8) 400")); | ||
+ | Serial.println(F("\t4) 25 \t 9) 800")); | ||
+ | Serial.println(F("\t5) 50 \t A) 1600")); | ||
+ | while (Serial.available() < 1) | ||
+ | ; | ||
+ | c = Serial.read(); | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | dof.setAccelODR(dof.A_ODR_3125); | ||
+ | break; | ||
+ | case '2': | ||
+ | dof.setAccelODR(dof.A_ODR_625); | ||
+ | break; | ||
+ | case '3': | ||
+ | dof.setAccelODR(dof.A_ODR_125); | ||
+ | break; | ||
+ | case '4': | ||
+ | dof.setAccelODR(dof.A_ODR_25); | ||
+ | break; | ||
+ | case '5': | ||
+ | dof.setAccelODR(dof.A_ODR_50); | ||
+ | break; | ||
+ | case '6': | ||
+ | dof.setAccelODR(dof.A_ODR_100); | ||
+ | break; | ||
+ | case '7': | ||
+ | dof.setAccelODR(dof.A_ODR_200); | ||
+ | break; | ||
+ | case '8': | ||
+ | dof.setAccelODR(dof.A_ODR_400); | ||
+ | break; | ||
+ | case '9': | ||
+ | dof.setAccelODR(dof.A_ODR_800); | ||
+ | break; | ||
+ | case 'A': | ||
+ | case 'a': | ||
+ | dof.setAccelODR(dof.A_ODR_1600); | ||
+ | break; | ||
+ | } | ||
+ | Serial.println(F("Set Gyro ODR/Cutoff (Hz):")); | ||
+ | Serial.println(F("\t1) 95/12.5 \t 8) 380/25")); | ||
+ | Serial.println(F("\t2) 95/25 \t 9) 380/50")); | ||
+ | Serial.println(F("\t3) 190/125 \t A) 380/100")); | ||
+ | Serial.println(F("\t4) 190/25 \t B) 760/30")); | ||
+ | Serial.println(F("\t5) 190/50 \t C) 760/35")); | ||
+ | Serial.println(F("\t6) 190/70 \t D) 760/50")); | ||
+ | Serial.println(F("\t7) 380/20 \t E) 760/100")); | ||
+ | while (Serial.available() < 1); | ||
+ | c = Serial.read(); | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | dof.setGyroODR(dof.G_ODR_95_BW_125); | ||
+ | break; | ||
+ | case '2': | ||
+ | dof.setGyroODR(dof.G_ODR_95_BW_25); | ||
+ | break; | ||
+ | case '3': | ||
+ | dof.setGyroODR(dof.G_ODR_190_BW_125); | ||
+ | break; | ||
+ | case '4': | ||
+ | dof.setGyroODR(dof.G_ODR_190_BW_25); | ||
+ | break; | ||
+ | case '5': | ||
+ | dof.setGyroODR(dof.G_ODR_190_BW_50); | ||
+ | break; | ||
+ | case '6': | ||
+ | dof.setGyroODR(dof.G_ODR_190_BW_70); | ||
+ | break; | ||
+ | case '7': | ||
+ | dof.setGyroODR(dof.G_ODR_380_BW_20); | ||
+ | break; | ||
+ | case '8': | ||
+ | dof.setGyroODR(dof.G_ODR_380_BW_25); | ||
+ | break; | ||
+ | case '9': | ||
+ | dof.setGyroODR(dof.G_ODR_380_BW_50); | ||
+ | break; | ||
+ | case 'A': | ||
+ | case 'a': | ||
+ | dof.setGyroODR(dof.G_ODR_380_BW_100); | ||
+ | break; | ||
+ | case 'B': | ||
+ | case 'b': | ||
+ | dof.setGyroODR(dof.G_ODR_760_BW_30); | ||
+ | break; | ||
+ | case 'C': | ||
+ | case 'c': | ||
+ | dof.setGyroODR(dof.G_ODR_760_BW_35); | ||
+ | break; | ||
+ | case 'D': | ||
+ | case 'd': | ||
+ | dof.setGyroODR(dof.G_ODR_760_BW_50); | ||
+ | break; | ||
+ | case 'E': | ||
+ | case 'e': | ||
+ | dof.setGyroODR(dof.G_ODR_760_BW_100); | ||
+ | break; | ||
+ | } | ||
+ | Serial.println(F("Set Magnetometer ODR (Hz):")); | ||
+ | Serial.println(F("\t1) 3.125 \t 4) 25")); | ||
+ | Serial.println(F("\t2) 6.25 \t 5) 50")); | ||
+ | Serial.println(F("\t3) 12.5 \t 6) 100")); | ||
+ | while (Serial.available() < 1) | ||
+ | ; | ||
+ | c = Serial.read(); | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | dof.setMagODR(dof.M_ODR_3125); | ||
+ | break; | ||
+ | case '2': | ||
+ | dof.setMagODR(dof.M_ODR_625); | ||
+ | break; | ||
+ | case '3': | ||
+ | dof.setMagODR(dof.M_ODR_125); | ||
+ | break; | ||
+ | case '4': | ||
+ | dof.setMagODR(dof.M_ODR_25); | ||
+ | break; | ||
+ | case '5': | ||
+ | dof.setMagODR(dof.M_ODR_50); | ||
+ | break; | ||
+ | case '6': | ||
+ | dof.setMagODR(dof.M_ODR_100); | ||
+ | break; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | void printMenu() | ||
+ | { | ||
+ | Serial.println(); | ||
+ | Serial.println(F("////////////////////////////////////////////")); | ||
+ | Serial.println(F("// LSM9DS0 Super Awesome Amazing Fun Time //")); | ||
+ | Serial.println(F("////////////////////////////////////////////")); | ||
+ | Serial.println(); | ||
+ | Serial.println(F("1) Stream Accelerometer")); | ||
+ | Serial.println(F("2) Stream Gyroscope")); | ||
+ | Serial.println(F("3) Stream Magnetometer")); | ||
+ | Serial.println(F("4) Stream output from all sensors")); | ||
+ | Serial.println(F("5) Set Sensor Scales")); | ||
+ | Serial.println(F("6) Switch To/From Raw/Calculated Readings")); | ||
+ | Serial.println(F("7) Set Output Data Rates")); | ||
+ | Serial.println(); | ||
+ | } | ||
+ | |||
+ | // parseMenu() takes a char parameter, which should map to one of | ||
+ | // the defined menu options. A switch statement will control what | ||
+ | // happens based on the given character input. | ||
+ | void parseMenu(char c) | ||
+ | { | ||
+ | switch (c) | ||
+ | { | ||
+ | case '1': | ||
+ | while(!Serial.available()) | ||
+ | printAccel(); // Print accelerometer values | ||
+ | break; | ||
+ | case '2': | ||
+ | while(!Serial.available()) | ||
+ | printGyro(); // Print gyroscope values | ||
+ | break; | ||
+ | case '3': | ||
+ | while(!Serial.available()) | ||
+ | printMag(); // Print magnetometer values | ||
+ | break; | ||
+ | case '4': | ||
+ | while(!Serial.available()) | ||
+ | streamAll(); // Print all sensor readings | ||
+ | break; | ||
+ | case '5': | ||
+ | setScale(); // Set the ranges of each sensor | ||
+ | break; | ||
+ | case '6': | ||
+ | setRaw(); // Switch between calculated and raw output | ||
+ | break; | ||
+ | case '7': | ||
+ | setODR(); // Set the data rates of each sensor | ||
+ | break; | ||
+ | } | ||
} | } | ||
</pre> | </pre> | ||
+ | |||
===程序效果=== | ===程序效果=== | ||
下载完程序,然后打开串口监视器,将波特率调到115200,然后按照显示的内容输入相应数字进行功能选择,可以观察到多种数据。 | 下载完程序,然后打开串口监视器,将波特率调到115200,然后按照显示的内容输入相应数字进行功能选择,可以观察到多种数据。 | ||
第235行: | 第528行: | ||
[http://www.makerspace.cn/forum.php?mod=viewthread&tid=5505&fromuid=10780 Arduino 9 Axes Motion Shield 9轴运动扩展板 三轴加速度计]<br/> | [http://www.makerspace.cn/forum.php?mod=viewthread&tid=5505&fromuid=10780 Arduino 9 Axes Motion Shield 9轴运动扩展板 三轴加速度计]<br/> | ||
===相关学习资料=== | ===相关学习资料=== | ||
− | [https://www.sparkfun.com/videos#all/E4L8bYt6lCs/153 | + | [https://www.sparkfun.com/videos#all/E4L8bYt6lCs/153 LSM9DS0- 9轴姿态传感器应用视频]<br/> |
[https://cdn.sparkfun.com/assets/8/c/c/4/9/lsm9ds0_breakout-v10-schematic-.pdf 电路原理图]<br/> | [https://cdn.sparkfun.com/assets/8/c/c/4/9/lsm9ds0_breakout-v10-schematic-.pdf 电路原理图]<br/> | ||
[https://cdn.sparkfun.com/assets/f/6/1/f/0/LSM9DS0.pdf 数据表(lmv324)]<br/> | [https://cdn.sparkfun.com/assets/f/6/1/f/0/LSM9DS0.pdf 数据表(lmv324)]<br/> | ||
− | [https://learn.sparkfun.com/tutorials/lsm9ds0-hookup-guide | + | [https://learn.sparkfun.com/tutorials/lsm9ds0-hookup-guide/advanced-arduino-example LSM9DS0- 9轴姿态传感器官方操作手册]<br/> |
[https://github.com/sparkfun/LSM9DS0_Breakout GitHub(设计文件)]<br/> | [https://github.com/sparkfun/LSM9DS0_Breakout GitHub(设计文件)]<br/> | ||
[http://www.makerspace.cn/portal.php 奥松机器人技术论坛]<br/> | [http://www.makerspace.cn/portal.php 奥松机器人技术论坛]<br/> |
2015年10月9日 (五) 11:43的最后版本
目录 |
产品概述
LSM9DS0-9轴姿态传感器选用的是LSM9DS0芯片,它是一种可实现动作感应的系统芯片,里面包括了一个3轴加速计,一个3轴陀螺仪和一个3轴磁力计。在LSM9DS0中,每种传感器都有良好的检测范围:LSM9DS0线性加速满量程为±2g/±4g/±6g/±8g/±16g;磁场满量程为±2 /±4 /±8 /±12高斯;陀螺仪满量程为±245 /±500 /±2000°/S。9轴姿态传感器还包含了I2C串行总线接口,支持标准和快速模式(100 kHz和400 kHz)及SPI串行接口标准。
规格参数
- 模拟电源电压范围:2.4V~3.6V
- 3轴加速度计:±2/±4/±6/±8/±16 g
- 3轴陀螺仪:±245/±500/±2000°/S
- 3轴磁力计:±2/±4/±8/±12高斯
- 16位的数据输出
- SPI/ I2C串行接口
- 嵌入式FIFO(先入先出的队列);
- 可编程中断发生
- 嵌入式自测试
- 嵌入式温度传感器
- 尺寸大小: 3.302cm x 1.524cm
- 重量大小:10g
使用方法
引脚定义
9轴姿态传感器 | 引脚定义 |
CSG | 陀螺仪芯片操作方式选择引脚 |
CSXM | 加速度芯片操作方式选择引脚 |
SDOG | 地址选择引脚 |
SDOX | SPI模式输出陀螺仪数据 |
SCL | 信号时钟引脚 |
SDA | 数据引脚 |
VDD | 电源正极 |
GND | 电源地 |
DEN | 陀螺仪数据使能引脚 |
INTG | 陀螺仪可编程中断 |
DRDYG | 陀螺仪数据准备引脚 |
INT1XM | 加速度中断1 |
INT2XM | 加速度中断2 |
连接图示
首先需要安装一下LSM9DS0的Arduino库,然后图中右侧的小红色芯片为电平转换芯片。
9轴姿态传感器 | Arduino |
CSG、CSXM、SDOG、SDOXM、DEN、INTG | 不接 |
SCL | SCL |
SDA | SDA |
VDD | 3.3V |
GND | GND |
DRDYG | D4 |
INT1XM | D2 |
INT2XM | D3 |
应用例程
示例代码
#include <SPI.h> // Included for SFE_LSM9DS0 library #include <Wire.h> #include <SFE_LSM9DS0.h> #define LSM9DS0_XM 0x1D // Would be 0x1E if SDO_XM is LOW #define LSM9DS0_G 0x6B // Would be 0x6A if SDO_G is LOW LSM9DS0 dof(MODE_I2C, LSM9DS0_G, LSM9DS0_XM); const byte INT1XM = 2; // INT1XM tells us when accel data is ready const byte INT2XM = 3; // INT2XM tells us when mag data is ready const byte DRDYG = 4; // DRDYG tells us when gyro data is ready boolean printRaw = true; void setup() { // Set up interrupt pins as inputs: pinMode(INT1XM, INPUT); pinMode(INT2XM, INPUT); pinMode(DRDYG, INPUT); Serial.begin(115200); // Start serial at 115200 bps uint16_t status = dof.begin(); Serial.println(status, HEX); } void loop() { printMenu(); while (!Serial.available()) parseMenu(Serial.read()); } void printAccel() { if (digitalRead(INT1XM)) { dof.readAccel(); Serial.print("A: "); if (printRaw) { Serial.print(dof.ax); Serial.print(", "); Serial.print(dof.ay); Serial.print(", "); Serial.println(dof.az); } else { Serial.print(dof.calcAccel(dof.ax)); Serial.print(", "); Serial.print(dof.calcAccel(dof.ay)); Serial.print(", "); Serial.println(dof.calcAccel(dof.az)); } } } void printGyro() { if (digitalRead(DRDYG)) { dof.readGyro(); Serial.print("G: "); if (printRaw) { Serial.print(dof.gx); Serial.print(", "); Serial.print(dof.gy); Serial.print(", "); Serial.println(dof.gz); } else { Serial.print(dof.calcGyro(dof.gx)); Serial.print(", "); Serial.print(dof.calcGyro(dof.gy)); Serial.print(", "); Serial.println(dof.calcGyro(dof.gz)); } } } void printMag() { if (digitalRead(INT2XM)) { dof.readMag(); Serial.print("M: "); if (printRaw) { Serial.print(dof.mx); Serial.print(", "); Serial.print(dof.my); Serial.print(", "); Serial.print(dof.mz); Serial.print(", "); Serial.println(calcHeading(dof.mx, dof.my)); } else { Serial.print(dof.calcMag(dof.mx), 4); Serial.print(", "); Serial.print(dof.calcMag(dof.my), 4); Serial.print(", "); Serial.print(dof.calcMag(dof.mz), 4); Serial.print(", "); Serial.println(calcHeading(dof.mx, dof.my)); } } } float calcHeading(float hx, float hy) { if (hy > 0) { return 90 - (atan(hx / hy) * 180 / PI); } else if (hy < 0) { return 270 - (atan(hx / hy) * 180 / PI); } else // hy = 0 { if (hx < 0) return 180; else return 0; } } void streamAll() { if ((digitalRead(INT2XM)) && (digitalRead(INT1XM)) && (digitalRead(DRDYG))) { printAccel(); printGyro(); printMag(); } } void setScale() { char c; Serial.println(F("Set accelerometer scale:")); Serial.println(F("\t1) +/- 2G")); Serial.println(F("\t2) +/- 4G")); Serial.println(F("\t3) +/- 6G")); Serial.println(F("\t4) +/- 8G")); Serial.println(F("\t5) +/- 16G")); while (Serial.available() < 1) ; c = Serial.read(); switch (c) { case '1': dof.setAccelScale(dof.A_SCALE_2G); break; case '2': dof.setAccelScale(dof.A_SCALE_4G); break; case '3': dof.setAccelScale(dof.A_SCALE_6G); break; case '4': dof.setAccelScale(dof.A_SCALE_8G); break; case '5': dof.setAccelScale(dof.A_SCALE_16G); break; } // Print the gyro scale ranges: Serial.println(F("Set gyroscope scale:")); Serial.println(F("\t1) +/- 245 DPS")); Serial.println(F("\t2) +/- 500 DPS")); Serial.println(F("\t3) +/- 2000 DPS")); // Wait for a character to come in: while (Serial.available() < 1); c = Serial.read(); // Use the setGyroScale function to set the gyroscope // full-scale range to any of the possible ranges. These ranges // are all defined in SFE_LSM9DS0.h. switch (c) { case '1': dof.setGyroScale(dof.G_SCALE_245DPS); break; case '2': dof.setGyroScale(dof.G_SCALE_500DPS); break; case '3': dof.setGyroScale(dof.G_SCALE_2000DPS); break; } Serial.println(F("Set magnetometer scale:")); Serial.println(F("\t1) +/- 2GS")); Serial.println(F("\t2) +/- 4GS")); Serial.println(F("\t3) +/- 8GS")); Serial.println(F("\t4) +/- 12GS")); while (Serial.available() < 1) ; c = Serial.read(); switch (c) { case '1': dof.setMagScale(dof.M_SCALE_2GS); break; case '2': dof.setMagScale(dof.M_SCALE_4GS); break; case '3': dof.setMagScale(dof.M_SCALE_8GS); break; case '4': dof.setMagScale(dof.M_SCALE_12GS); break; } } void setRaw() { if (printRaw) { printRaw = false; Serial.println(F("Printing calculated readings")); } else { printRaw = true; Serial.println(F("Printing raw readings")); } } void setODR() { char c; Serial.println(F("Set Accelerometer ODR (Hz):")); Serial.println(F("\t1) 3.125 \t 6) 100")); Serial.println(F("\t2) 6.25 \t 7) 200")); Serial.println(F("\t3) 12.5 \t 8) 400")); Serial.println(F("\t4) 25 \t 9) 800")); Serial.println(F("\t5) 50 \t A) 1600")); while (Serial.available() < 1) ; c = Serial.read(); switch (c) { case '1': dof.setAccelODR(dof.A_ODR_3125); break; case '2': dof.setAccelODR(dof.A_ODR_625); break; case '3': dof.setAccelODR(dof.A_ODR_125); break; case '4': dof.setAccelODR(dof.A_ODR_25); break; case '5': dof.setAccelODR(dof.A_ODR_50); break; case '6': dof.setAccelODR(dof.A_ODR_100); break; case '7': dof.setAccelODR(dof.A_ODR_200); break; case '8': dof.setAccelODR(dof.A_ODR_400); break; case '9': dof.setAccelODR(dof.A_ODR_800); break; case 'A': case 'a': dof.setAccelODR(dof.A_ODR_1600); break; } Serial.println(F("Set Gyro ODR/Cutoff (Hz):")); Serial.println(F("\t1) 95/12.5 \t 8) 380/25")); Serial.println(F("\t2) 95/25 \t 9) 380/50")); Serial.println(F("\t3) 190/125 \t A) 380/100")); Serial.println(F("\t4) 190/25 \t B) 760/30")); Serial.println(F("\t5) 190/50 \t C) 760/35")); Serial.println(F("\t6) 190/70 \t D) 760/50")); Serial.println(F("\t7) 380/20 \t E) 760/100")); while (Serial.available() < 1); c = Serial.read(); switch (c) { case '1': dof.setGyroODR(dof.G_ODR_95_BW_125); break; case '2': dof.setGyroODR(dof.G_ODR_95_BW_25); break; case '3': dof.setGyroODR(dof.G_ODR_190_BW_125); break; case '4': dof.setGyroODR(dof.G_ODR_190_BW_25); break; case '5': dof.setGyroODR(dof.G_ODR_190_BW_50); break; case '6': dof.setGyroODR(dof.G_ODR_190_BW_70); break; case '7': dof.setGyroODR(dof.G_ODR_380_BW_20); break; case '8': dof.setGyroODR(dof.G_ODR_380_BW_25); break; case '9': dof.setGyroODR(dof.G_ODR_380_BW_50); break; case 'A': case 'a': dof.setGyroODR(dof.G_ODR_380_BW_100); break; case 'B': case 'b': dof.setGyroODR(dof.G_ODR_760_BW_30); break; case 'C': case 'c': dof.setGyroODR(dof.G_ODR_760_BW_35); break; case 'D': case 'd': dof.setGyroODR(dof.G_ODR_760_BW_50); break; case 'E': case 'e': dof.setGyroODR(dof.G_ODR_760_BW_100); break; } Serial.println(F("Set Magnetometer ODR (Hz):")); Serial.println(F("\t1) 3.125 \t 4) 25")); Serial.println(F("\t2) 6.25 \t 5) 50")); Serial.println(F("\t3) 12.5 \t 6) 100")); while (Serial.available() < 1) ; c = Serial.read(); switch (c) { case '1': dof.setMagODR(dof.M_ODR_3125); break; case '2': dof.setMagODR(dof.M_ODR_625); break; case '3': dof.setMagODR(dof.M_ODR_125); break; case '4': dof.setMagODR(dof.M_ODR_25); break; case '5': dof.setMagODR(dof.M_ODR_50); break; case '6': dof.setMagODR(dof.M_ODR_100); break; } } void printMenu() { Serial.println(); Serial.println(F("////////////////////////////////////////////")); Serial.println(F("// LSM9DS0 Super Awesome Amazing Fun Time //")); Serial.println(F("////////////////////////////////////////////")); Serial.println(); Serial.println(F("1) Stream Accelerometer")); Serial.println(F("2) Stream Gyroscope")); Serial.println(F("3) Stream Magnetometer")); Serial.println(F("4) Stream output from all sensors")); Serial.println(F("5) Set Sensor Scales")); Serial.println(F("6) Switch To/From Raw/Calculated Readings")); Serial.println(F("7) Set Output Data Rates")); Serial.println(); } // parseMenu() takes a char parameter, which should map to one of // the defined menu options. A switch statement will control what // happens based on the given character input. void parseMenu(char c) { switch (c) { case '1': while(!Serial.available()) printAccel(); // Print accelerometer values break; case '2': while(!Serial.available()) printGyro(); // Print gyroscope values break; case '3': while(!Serial.available()) printMag(); // Print magnetometer values break; case '4': while(!Serial.available()) streamAll(); // Print all sensor readings break; case '5': setScale(); // Set the ranges of each sensor break; case '6': setRaw(); // Switch between calculated and raw output break; case '7': setODR(); // Set the data rates of each sensor break; } }
程序效果
下载完程序,然后打开串口监视器,将波特率调到115200,然后按照显示的内容输入相应数字进行功能选择,可以观察到多种数据。
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