![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Branch for servo motor
Dependencies: MPU6050-DMP mbed ros_lib_kinetic
Fork of AGV_SMT by
main.cpp@2:648583d6e41a, 2018-04-12 (annotated)
- Committer:
- WeberYang
- Date:
- Thu Apr 12 01:15:57 2018 +0000
- Revision:
- 2:648583d6e41a
- Parent:
- 0:6e61e8ec4b42
- Child:
- 3:51194773aa7e
beta1.0 finish Delta servo motor control and IMU-6050
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WeberYang | 2:648583d6e41a | 1 | /* |
WeberYang | 2:648583d6e41a | 2 | |
WeberYang | 2:648583d6e41a | 3 | */ |
hardtail | 0:6e61e8ec4b42 | 4 | #include "MPU6050_6Axis_MotionApps20.h" |
hardtail | 0:6e61e8ec4b42 | 5 | #include "mbed.h" |
WeberYang | 2:648583d6e41a | 6 | //#include "CANMsg.h" |
WeberYang | 2:648583d6e41a | 7 | #include "I2Cdev.h" |
WeberYang | 2:648583d6e41a | 8 | #include "MPU6050.h" |
WeberYang | 2:648583d6e41a | 9 | #include <ros.h> |
WeberYang | 2:648583d6e41a | 10 | #include <ros/time.h> |
WeberYang | 2:648583d6e41a | 11 | #include <std_msgs/Empty.h> |
WeberYang | 2:648583d6e41a | 12 | #include <std_msgs/String.h> |
WeberYang | 2:648583d6e41a | 13 | #include <std_msgs/Float32.h> |
WeberYang | 2:648583d6e41a | 14 | #include <sensor_msgs/BatteryState.h> |
WeberYang | 2:648583d6e41a | 15 | #include <geometry_msgs/Twist.h> //set buffer larger than 50byte |
WeberYang | 2:648583d6e41a | 16 | #include <math.h> |
hardtail | 0:6e61e8ec4b42 | 17 | #include <stdio.h> |
WeberYang | 2:648583d6e41a | 18 | #include <tiny_msgs/tinyVector.h> |
WeberYang | 2:648583d6e41a | 19 | #include <tiny_msgs/tinyIMU.h> |
hardtail | 0:6e61e8ec4b42 | 20 | |
WeberYang | 2:648583d6e41a | 21 | #define Start 0xAA |
WeberYang | 2:648583d6e41a | 22 | #define Address 0x7F |
WeberYang | 2:648583d6e41a | 23 | #define ReturnType 0x00 |
WeberYang | 2:648583d6e41a | 24 | #define Clean 0x00 |
WeberYang | 2:648583d6e41a | 25 | #define Reserve 0x00 |
WeberYang | 2:648583d6e41a | 26 | #define End 0x55 |
WeberYang | 2:648583d6e41a | 27 | #define Motor1 1 |
WeberYang | 2:648583d6e41a | 28 | #define Motor2 2 |
WeberYang | 2:648583d6e41a | 29 | //Serial pc(PA_2, PA_3,9600); |
WeberYang | 2:648583d6e41a | 30 | Serial RS485(PA_9, PA_10); |
WeberYang | 2:648583d6e41a | 31 | DigitalOut RS485_E(D7); //RS485_E |
WeberYang | 2:648583d6e41a | 32 | DigitalOut myled(LED1); |
WeberYang | 2:648583d6e41a | 33 | MPU6050 mpu;//(PB_7,PB_6); // sda, scl pin |
hardtail | 0:6e61e8ec4b42 | 34 | |
WeberYang | 2:648583d6e41a | 35 | tiny_msgs::tinyIMU imu_msg; |
WeberYang | 2:648583d6e41a | 36 | std_msgs::String str_msg; |
WeberYang | 2:648583d6e41a | 37 | std_msgs::Float32 VelAngular_L; |
WeberYang | 2:648583d6e41a | 38 | std_msgs::Float32 VelAngular_R; |
WeberYang | 2:648583d6e41a | 39 | |
WeberYang | 2:648583d6e41a | 40 | ros::NodeHandle nh; |
WeberYang | 2:648583d6e41a | 41 | ros::Publisher imu_pub("tinyImu", &imu_msg); |
WeberYang | 2:648583d6e41a | 42 | ros::Publisher pub_lmotor("pub_lmotor", &VelAngular_L); |
WeberYang | 2:648583d6e41a | 43 | ros::Publisher pub_rmotor("pub_rmotor", &VelAngular_R); |
WeberYang | 2:648583d6e41a | 44 | |
WeberYang | 2:648583d6e41a | 45 | uint32_t seq; |
WeberYang | 2:648583d6e41a | 46 | |
hardtail | 0:6e61e8ec4b42 | 47 | #define IMU_FIFO_RATE_DIVIDER 0x09 |
hardtail | 0:6e61e8ec4b42 | 48 | #define IMU_SAMPLE_RATE_DIVIDER 4 |
hardtail | 0:6e61e8ec4b42 | 49 | #define MPU6050_GYRO_FS MPU6050_GYRO_FS_2000 |
hardtail | 0:6e61e8ec4b42 | 50 | #define MPU6050_ACCEL_FS MPU6050_ACCEL_FS_2 |
hardtail | 0:6e61e8ec4b42 | 51 | |
WeberYang | 2:648583d6e41a | 52 | #define PC_BAUDRATE 115200 |
hardtail | 0:6e61e8ec4b42 | 53 | |
hardtail | 0:6e61e8ec4b42 | 54 | #define DEG_TO_RAD(x) ( x * 0.01745329 ) |
hardtail | 0:6e61e8ec4b42 | 55 | #define RAD_TO_DEG(x) ( x * 57.29578 ) |
WeberYang | 2:648583d6e41a | 56 | |
hardtail | 0:6e61e8ec4b42 | 57 | const int FIFO_BUFFER_SIZE = 128; |
hardtail | 0:6e61e8ec4b42 | 58 | uint8_t fifoBuffer[FIFO_BUFFER_SIZE]; |
hardtail | 0:6e61e8ec4b42 | 59 | uint16_t fifoCount; |
hardtail | 0:6e61e8ec4b42 | 60 | uint16_t packetSize; |
hardtail | 0:6e61e8ec4b42 | 61 | bool dmpReady; |
hardtail | 0:6e61e8ec4b42 | 62 | uint8_t mpuIntStatus; |
hardtail | 0:6e61e8ec4b42 | 63 | const int snprintf_buffer_size = 100; |
hardtail | 0:6e61e8ec4b42 | 64 | char snprintf_buffer[snprintf_buffer_size]; |
hardtail | 0:6e61e8ec4b42 | 65 | uint8_t teapotPacket[14] = { '$', 0x02, 0,0, 0,0, 0,0, 0,0, 0x00, 0x00, '\r', '\n' }; |
WeberYang | 2:648583d6e41a | 66 | int16_t ax, ay, az; |
WeberYang | 2:648583d6e41a | 67 | int16_t gx, gy, gz; |
WeberYang | 2:648583d6e41a | 68 | float Lrpm,Rrpm; |
WeberYang | 2:648583d6e41a | 69 | float ticks_since_target; |
WeberYang | 2:648583d6e41a | 70 | double timeout_ticks; |
WeberYang | 2:648583d6e41a | 71 | |
WeberYang | 2:648583d6e41a | 72 | double w; |
WeberYang | 2:648583d6e41a | 73 | double rate; |
WeberYang | 2:648583d6e41a | 74 | double Dimeter; |
WeberYang | 2:648583d6e41a | 75 | float dx,dy,dr; |
hardtail | 0:6e61e8ec4b42 | 76 | struct Offset { |
hardtail | 0:6e61e8ec4b42 | 77 | int16_t ax, ay, az; |
hardtail | 0:6e61e8ec4b42 | 78 | int16_t gx, gy, gz; |
hardtail | 0:6e61e8ec4b42 | 79 | }offset = {150, -350, 1000, -110, 5, 0}; // Measured values |
hardtail | 0:6e61e8ec4b42 | 80 | |
hardtail | 0:6e61e8ec4b42 | 81 | struct MPU6050_DmpData { |
hardtail | 0:6e61e8ec4b42 | 82 | Quaternion q; |
hardtail | 0:6e61e8ec4b42 | 83 | VectorFloat gravity; // g |
hardtail | 0:6e61e8ec4b42 | 84 | float roll, pitch, yaw; // rad |
hardtail | 0:6e61e8ec4b42 | 85 | }dmpData; |
hardtail | 0:6e61e8ec4b42 | 86 | |
hardtail | 0:6e61e8ec4b42 | 87 | long map(long x, long in_min, long in_max, long out_min, long out_max) { |
hardtail | 0:6e61e8ec4b42 | 88 | return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min; |
hardtail | 0:6e61e8ec4b42 | 89 | } |
WeberYang | 2:648583d6e41a | 90 | //==========define sub function======================== |
hardtail | 0:6e61e8ec4b42 | 91 | bool Init(); |
hardtail | 0:6e61e8ec4b42 | 92 | void dmpDataUpdate(); |
WeberYang | 2:648583d6e41a | 93 | unsigned int CRC_Verify(unsigned char *cBuffer, unsigned int iBufLen); |
WeberYang | 2:648583d6e41a | 94 | void setAddress(char MotorAddress,int16_t DataAddress,int16_t Data); |
WeberYang | 2:648583d6e41a | 95 | void SVON(char MotorStation); |
WeberYang | 2:648583d6e41a | 96 | void SVOFF(char MotorStation); |
WeberYang | 2:648583d6e41a | 97 | int myabs( int a ); |
WeberYang | 2:648583d6e41a | 98 | void TwistToMotors(); |
WeberYang | 2:648583d6e41a | 99 | //=================================================== |
hardtail | 0:6e61e8ec4b42 | 100 | |
hardtail | 0:6e61e8ec4b42 | 101 | bool Init() { |
hardtail | 0:6e61e8ec4b42 | 102 | //pc.baud(PC_BAUDRATE); |
WeberYang | 2:648583d6e41a | 103 | // pc.printf("Init.\n"); |
WeberYang | 2:648583d6e41a | 104 | |
WeberYang | 2:648583d6e41a | 105 | seq = 0; |
WeberYang | 2:648583d6e41a | 106 | //while(!pc.readable()); |
WeberYang | 2:648583d6e41a | 107 | // pc.getc(); |
hardtail | 0:6e61e8ec4b42 | 108 | |
WeberYang | 2:648583d6e41a | 109 | nh.initNode(); |
hardtail | 0:6e61e8ec4b42 | 110 | mpu.initialize(); |
hardtail | 0:6e61e8ec4b42 | 111 | if (mpu.testConnection()) { |
WeberYang | 2:648583d6e41a | 112 | // pc.printf("MPU6050 test connection passed.\n"); |
hardtail | 0:6e61e8ec4b42 | 113 | } else { |
WeberYang | 2:648583d6e41a | 114 | // pc.printf("MPU6050 test connection failed.\n"); |
hardtail | 0:6e61e8ec4b42 | 115 | return false; |
hardtail | 0:6e61e8ec4b42 | 116 | } |
hardtail | 0:6e61e8ec4b42 | 117 | if (mpu.dmpInitialize() == 0) { |
WeberYang | 2:648583d6e41a | 118 | // pc.printf("succeed in MPU6050 DMP Initializing.\n"); |
hardtail | 0:6e61e8ec4b42 | 119 | } else { |
WeberYang | 2:648583d6e41a | 120 | // pc.printf("failed in MPU6050 DMP Initializing.\n"); |
hardtail | 0:6e61e8ec4b42 | 121 | return false; |
hardtail | 0:6e61e8ec4b42 | 122 | } |
hardtail | 0:6e61e8ec4b42 | 123 | mpu.setXAccelOffset(offset.ax); |
hardtail | 0:6e61e8ec4b42 | 124 | mpu.setYAccelOffset(offset.ay); |
hardtail | 0:6e61e8ec4b42 | 125 | mpu.setZAccelOffset(offset.az); |
hardtail | 0:6e61e8ec4b42 | 126 | mpu.setFullScaleGyroRange(MPU6050_GYRO_FS_2000); |
hardtail | 0:6e61e8ec4b42 | 127 | mpu.setFullScaleAccelRange(MPU6050_ACCEL_FS_2); |
hardtail | 0:6e61e8ec4b42 | 128 | mpu.setXGyroOffsetUser(offset.gx); |
hardtail | 0:6e61e8ec4b42 | 129 | mpu.setYGyroOffsetUser(offset.gy); |
hardtail | 0:6e61e8ec4b42 | 130 | mpu.setZGyroOffsetUser(offset.gz); |
hardtail | 0:6e61e8ec4b42 | 131 | mpu.setDMPEnabled(true); // Enable DMP |
hardtail | 0:6e61e8ec4b42 | 132 | packetSize = mpu.dmpGetFIFOPacketSize(); |
hardtail | 0:6e61e8ec4b42 | 133 | dmpReady = true; // Enable interrupt. |
hardtail | 0:6e61e8ec4b42 | 134 | |
WeberYang | 2:648583d6e41a | 135 | //pc.printf("Init finish!\n"); |
hardtail | 0:6e61e8ec4b42 | 136 | |
hardtail | 0:6e61e8ec4b42 | 137 | return true; |
hardtail | 0:6e61e8ec4b42 | 138 | } |
WeberYang | 2:648583d6e41a | 139 | //======================= motor ================================================= |
WeberYang | 2:648583d6e41a | 140 | unsigned int CRC_Verify(unsigned char *cBuffer, unsigned int iBufLen) |
WeberYang | 2:648583d6e41a | 141 | { |
WeberYang | 2:648583d6e41a | 142 | unsigned int i, j; |
WeberYang | 2:648583d6e41a | 143 | //#define wPolynom 0xA001 |
WeberYang | 2:648583d6e41a | 144 | unsigned int wCrc = 0xffff; |
WeberYang | 2:648583d6e41a | 145 | unsigned int wPolynom = 0xA001; |
WeberYang | 2:648583d6e41a | 146 | /*---------------------------------------------------------------------------------*/ |
WeberYang | 2:648583d6e41a | 147 | for (i = 0; i < iBufLen; i++) |
WeberYang | 2:648583d6e41a | 148 | { |
WeberYang | 2:648583d6e41a | 149 | wCrc ^= cBuffer[i]; |
WeberYang | 2:648583d6e41a | 150 | for (j = 0; j < 8; j++) |
WeberYang | 2:648583d6e41a | 151 | { |
WeberYang | 2:648583d6e41a | 152 | if (wCrc &0x0001) |
WeberYang | 2:648583d6e41a | 153 | { |
WeberYang | 2:648583d6e41a | 154 | wCrc = (wCrc >> 1) ^ wPolynom; |
WeberYang | 2:648583d6e41a | 155 | } |
WeberYang | 2:648583d6e41a | 156 | else |
WeberYang | 2:648583d6e41a | 157 | { |
WeberYang | 2:648583d6e41a | 158 | wCrc = wCrc >> 1; |
WeberYang | 2:648583d6e41a | 159 | } |
WeberYang | 2:648583d6e41a | 160 | } |
WeberYang | 2:648583d6e41a | 161 | } |
WeberYang | 2:648583d6e41a | 162 | return wCrc; |
WeberYang | 2:648583d6e41a | 163 | } |
WeberYang | 2:648583d6e41a | 164 | |
WeberYang | 2:648583d6e41a | 165 | void setAddress(char MotorAddress,int16_t DataAddress,int16_t Data) |
WeberYang | 2:648583d6e41a | 166 | { |
WeberYang | 2:648583d6e41a | 167 | unsigned char sendData[8]; |
WeberYang | 2:648583d6e41a | 168 | int16_t tmpCRC; |
WeberYang | 2:648583d6e41a | 169 | //char MotorAddress; |
WeberYang | 2:648583d6e41a | 170 | char Function; |
WeberYang | 2:648583d6e41a | 171 | //int DataAddress,Data; |
WeberYang | 2:648583d6e41a | 172 | char DataAddressH,DataAddressL; |
WeberYang | 2:648583d6e41a | 173 | char dataH,dataL; |
WeberYang | 2:648583d6e41a | 174 | int i; |
WeberYang | 2:648583d6e41a | 175 | sendData[6] = 0xff; |
WeberYang | 2:648583d6e41a | 176 | sendData[7] = 0xff; |
WeberYang | 2:648583d6e41a | 177 | |
WeberYang | 2:648583d6e41a | 178 | //MotorAddress = address; |
WeberYang | 2:648583d6e41a | 179 | Function = 0x06; |
WeberYang | 2:648583d6e41a | 180 | //DataAddress = data; |
WeberYang | 2:648583d6e41a | 181 | //Data = 0x0001; |
WeberYang | 2:648583d6e41a | 182 | DataAddressH = ((DataAddress>>8)&0xFF); |
WeberYang | 2:648583d6e41a | 183 | DataAddressL = ((DataAddress>>0)&0xFF); |
WeberYang | 2:648583d6e41a | 184 | dataH = ((Data>>8)&0xFF); |
WeberYang | 2:648583d6e41a | 185 | dataL = ((Data>>0)&0xFF); |
WeberYang | 2:648583d6e41a | 186 | |
WeberYang | 2:648583d6e41a | 187 | sendData[0] = MotorAddress; |
WeberYang | 2:648583d6e41a | 188 | sendData[1] = Function; |
WeberYang | 2:648583d6e41a | 189 | sendData[2] = DataAddressH; |
WeberYang | 2:648583d6e41a | 190 | sendData[3] = DataAddressL; |
WeberYang | 2:648583d6e41a | 191 | sendData[4] = dataH; |
WeberYang | 2:648583d6e41a | 192 | sendData[5] = dataL; |
WeberYang | 2:648583d6e41a | 193 | tmpCRC = CRC_Verify(sendData, 6); |
WeberYang | 2:648583d6e41a | 194 | sendData[6] = (tmpCRC & 0xFF); |
WeberYang | 2:648583d6e41a | 195 | sendData[7] = (tmpCRC>>8); |
WeberYang | 2:648583d6e41a | 196 | RS485_E = 1; |
WeberYang | 2:648583d6e41a | 197 | wait_ms(10); |
WeberYang | 2:648583d6e41a | 198 | for (i=0;i<8;i++) |
WeberYang | 2:648583d6e41a | 199 | { |
WeberYang | 2:648583d6e41a | 200 | RS485.printf("%c",sendData[i]); |
WeberYang | 2:648583d6e41a | 201 | } |
WeberYang | 2:648583d6e41a | 202 | wait_ms(10); |
WeberYang | 2:648583d6e41a | 203 | RS485_E = 0; |
WeberYang | 2:648583d6e41a | 204 | //=========================================== |
WeberYang | 2:648583d6e41a | 205 | } |
WeberYang | 2:648583d6e41a | 206 | void SVON(char MotorStation) |
WeberYang | 2:648583d6e41a | 207 | { |
WeberYang | 2:648583d6e41a | 208 | //void setAddress(char MotorAddress,int16_t DataAddress,int16_t Data) |
WeberYang | 2:648583d6e41a | 209 | setAddress(MotorStation,0x0214,0x0100); |
WeberYang | 2:648583d6e41a | 210 | } |
WeberYang | 2:648583d6e41a | 211 | |
WeberYang | 2:648583d6e41a | 212 | void SVOFF(char MotorStation) |
WeberYang | 2:648583d6e41a | 213 | { |
WeberYang | 2:648583d6e41a | 214 | //void setAddress(char MotorAddress,int16_t DataAddress,int16_t Data) |
WeberYang | 2:648583d6e41a | 215 | setAddress(MotorStation,0x0214,0x0101); |
WeberYang | 2:648583d6e41a | 216 | wait_ms(10); |
WeberYang | 2:648583d6e41a | 217 | } |
WeberYang | 2:648583d6e41a | 218 | int myabs( int a ){ |
WeberYang | 2:648583d6e41a | 219 | if ( a < 0 ){ |
WeberYang | 2:648583d6e41a | 220 | return -a; |
WeberYang | 2:648583d6e41a | 221 | } |
WeberYang | 2:648583d6e41a | 222 | return a; |
WeberYang | 2:648583d6e41a | 223 | } |
WeberYang | 2:648583d6e41a | 224 | void TwistToMotors() |
WeberYang | 2:648583d6e41a | 225 | { |
WeberYang | 2:648583d6e41a | 226 | seq = seq + 1; |
WeberYang | 2:648583d6e41a | 227 | //int lower_bound = 100; |
WeberYang | 2:648583d6e41a | 228 | //int upper_bound = 300; |
WeberYang | 2:648583d6e41a | 229 | float right,left; |
WeberYang | 2:648583d6e41a | 230 | float motor_rpm_r, motor_rpm_l; |
WeberYang | 2:648583d6e41a | 231 | //double vel_data[2]; |
WeberYang | 2:648583d6e41a | 232 | int16_t Lrpm,Rrpm; |
WeberYang | 2:648583d6e41a | 233 | float vel_data[2]; |
WeberYang | 2:648583d6e41a | 234 | w = 0.302;//0.2 ;//m |
WeberYang | 2:648583d6e41a | 235 | rate = 20;//50; |
WeberYang | 2:648583d6e41a | 236 | timeout_ticks = 2; |
WeberYang | 2:648583d6e41a | 237 | Dimeter = 0.127;//0.15; |
WeberYang | 2:648583d6e41a | 238 | |
WeberYang | 2:648583d6e41a | 239 | // prevent agv receive weird 1.0 command from cmd_vel |
WeberYang | 2:648583d6e41a | 240 | if (dr == 1.0){ |
WeberYang | 2:648583d6e41a | 241 | |
WeberYang | 2:648583d6e41a | 242 | dr = 0.001; |
WeberYang | 2:648583d6e41a | 243 | } |
WeberYang | 2:648583d6e41a | 244 | |
WeberYang | 2:648583d6e41a | 245 | // |
WeberYang | 2:648583d6e41a | 246 | right = ( 1.0 * dx ) + (dr * w /2); |
WeberYang | 2:648583d6e41a | 247 | left = ( 1.0 * dx ) - (dr * w /2); |
WeberYang | 2:648583d6e41a | 248 | motor_rpm_r = right*rate/(Dimeter/2)*60/(2*3.1416); |
WeberYang | 2:648583d6e41a | 249 | motor_rpm_l = left*rate/(Dimeter/2)*60/(2*3.1416); |
WeberYang | 2:648583d6e41a | 250 | vel_data[0] = motor_rpm_r; |
WeberYang | 2:648583d6e41a | 251 | vel_data[1] = motor_rpm_l; |
WeberYang | 2:648583d6e41a | 252 | |
WeberYang | 2:648583d6e41a | 253 | Lrpm = motor_rpm_l; |
WeberYang | 2:648583d6e41a | 254 | Rrpm = motor_rpm_r; |
WeberYang | 2:648583d6e41a | 255 | |
WeberYang | 2:648583d6e41a | 256 | setAddress(Motor1,0x0112,Lrpm); |
WeberYang | 2:648583d6e41a | 257 | setAddress(Motor2,0x0112,Rrpm); |
WeberYang | 2:648583d6e41a | 258 | |
WeberYang | 2:648583d6e41a | 259 | VelAngular_R.data = vel_data[0]; |
WeberYang | 2:648583d6e41a | 260 | VelAngular_L.data = vel_data[1]; |
WeberYang | 2:648583d6e41a | 261 | //if(VelAngular_R.data >2000 || VelAngular_L.data>2000){ |
WeberYang | 2:648583d6e41a | 262 | //} |
WeberYang | 2:648583d6e41a | 263 | //else{ |
WeberYang | 2:648583d6e41a | 264 | // pub_rmotor.publish( &VelAngular_R ); |
WeberYang | 2:648583d6e41a | 265 | // pub_lmotor.publish( &VelAngular_L ); |
WeberYang | 2:648583d6e41a | 266 | //} |
WeberYang | 2:648583d6e41a | 267 | //pc.printf("Wr = %.1f\n",vel_data[0]); |
WeberYang | 2:648583d6e41a | 268 | //pc.printf("Wl = %.1f\n",vel_data[1]); |
WeberYang | 2:648583d6e41a | 269 | ticks_since_target += 1; |
WeberYang | 2:648583d6e41a | 270 | } |
WeberYang | 2:648583d6e41a | 271 | |
WeberYang | 2:648583d6e41a | 272 | |
WeberYang | 2:648583d6e41a | 273 | void messageCb(const geometry_msgs::Twist &msg) |
WeberYang | 2:648583d6e41a | 274 | { |
WeberYang | 2:648583d6e41a | 275 | ticks_since_target = 0; |
WeberYang | 2:648583d6e41a | 276 | dx = msg.linear.x; |
WeberYang | 2:648583d6e41a | 277 | dy = msg.linear.y; |
WeberYang | 2:648583d6e41a | 278 | dr = msg.angular.z; |
WeberYang | 2:648583d6e41a | 279 | TwistToMotors(); |
WeberYang | 2:648583d6e41a | 280 | } |
WeberYang | 2:648583d6e41a | 281 | ros::Subscriber<geometry_msgs::Twist> cmd_vel_sub("cmd_vel", &messageCb); |
WeberYang | 2:648583d6e41a | 282 | //====================================================================================== |
WeberYang | 2:648583d6e41a | 283 | // |
hardtail | 0:6e61e8ec4b42 | 284 | void dmpDataUpdate() { |
hardtail | 0:6e61e8ec4b42 | 285 | // Check that this interrupt has enabled. |
hardtail | 0:6e61e8ec4b42 | 286 | if (dmpReady == false) return; |
hardtail | 0:6e61e8ec4b42 | 287 | |
hardtail | 0:6e61e8ec4b42 | 288 | mpuIntStatus = mpu.getIntStatus(); |
hardtail | 0:6e61e8ec4b42 | 289 | fifoCount = mpu.getFIFOCount(); |
hardtail | 0:6e61e8ec4b42 | 290 | |
hardtail | 0:6e61e8ec4b42 | 291 | // Check that this interrupt is a FIFO buffer overflow interrupt. |
hardtail | 0:6e61e8ec4b42 | 292 | if ((mpuIntStatus & 0x10) || fifoCount == 1024) { |
hardtail | 0:6e61e8ec4b42 | 293 | mpu.resetFIFO(); |
WeberYang | 2:648583d6e41a | 294 | //pc.printf("FIFO overflow!\n"); |
hardtail | 0:6e61e8ec4b42 | 295 | return; |
hardtail | 0:6e61e8ec4b42 | 296 | |
hardtail | 0:6e61e8ec4b42 | 297 | // Check that this interrupt is a Data Ready interrupt. |
hardtail | 0:6e61e8ec4b42 | 298 | } else if (mpuIntStatus & 0x02) { |
hardtail | 0:6e61e8ec4b42 | 299 | while (fifoCount < packetSize) fifoCount = mpu.getFIFOCount(); |
hardtail | 0:6e61e8ec4b42 | 300 | |
hardtail | 0:6e61e8ec4b42 | 301 | mpu.getFIFOBytes(fifoBuffer, packetSize); |
hardtail | 0:6e61e8ec4b42 | 302 | |
hardtail | 0:6e61e8ec4b42 | 303 | #ifdef OUTPUT_QUATERNION |
hardtail | 0:6e61e8ec4b42 | 304 | mpu.dmpGetQuaternion(&dmpData.q, fifoBuffer); |
hardtail | 0:6e61e8ec4b42 | 305 | if ( snprintf( snprintf_buffer, snprintf_buffer_size, "Quaternion : w=%f, x=%f, y=%f, z=%f\n", dmpData.q.w, dmpData.q.x, dmpData.q.y, dmpData.q.z ) < 0 ) return; |
WeberYang | 2:648583d6e41a | 306 | pc.printf(snprintf_buffer); |
hardtail | 0:6e61e8ec4b42 | 307 | #endif |
hardtail | 0:6e61e8ec4b42 | 308 | |
hardtail | 0:6e61e8ec4b42 | 309 | #ifdef OUTPUT_EULER |
hardtail | 0:6e61e8ec4b42 | 310 | float euler[3]; |
hardtail | 0:6e61e8ec4b42 | 311 | mpu.dmpGetQuaternion(&dmpData.q, fifoBuffer); |
hardtail | 0:6e61e8ec4b42 | 312 | mpu.dmpGetEuler(euler, &dmpData.q); |
hardtail | 0:6e61e8ec4b42 | 313 | if ( snprintf( snprintf_buffer, snprintf_buffer_size, "Euler : psi=%fdeg, theta=%fdeg, phi=%fdeg\n", RAD_TO_DEG(euler[0]), RAD_TO_DEG(euler[1]), RAD_TO_DEG(euler[2]) ) < 0 ) return; |
WeberYang | 2:648583d6e41a | 314 | pc.printf(snprintf_buffer); |
hardtail | 0:6e61e8ec4b42 | 315 | #endif |
hardtail | 0:6e61e8ec4b42 | 316 | |
hardtail | 0:6e61e8ec4b42 | 317 | #ifdef OUTPUT_ROLL_PITCH_YAW |
hardtail | 0:6e61e8ec4b42 | 318 | mpu.dmpGetQuaternion(&dmpData.q, fifoBuffer); |
hardtail | 0:6e61e8ec4b42 | 319 | mpu.dmpGetGravity(&dmpData.gravity, &dmpData.q); |
hardtail | 0:6e61e8ec4b42 | 320 | float rollPitchYaw[3]; |
hardtail | 0:6e61e8ec4b42 | 321 | mpu.dmpGetYawPitchRoll(rollPitchYaw, &dmpData.q, &dmpData.gravity); |
hardtail | 0:6e61e8ec4b42 | 322 | dmpData.roll = rollPitchYaw[2]; |
hardtail | 0:6e61e8ec4b42 | 323 | dmpData.pitch = rollPitchYaw[1]; |
hardtail | 0:6e61e8ec4b42 | 324 | dmpData.yaw = rollPitchYaw[0]; |
hardtail | 0:6e61e8ec4b42 | 325 | |
hardtail | 0:6e61e8ec4b42 | 326 | if ( snprintf( snprintf_buffer, snprintf_buffer_size, "Roll:%6.2fdeg, Pitch:%6.2fdeg, Yaw:%6.2fdeg\n", RAD_TO_DEG(dmpData.roll), RAD_TO_DEG(dmpData.pitch), RAD_TO_DEG(dmpData.yaw) ) < 0 ) return; |
WeberYang | 2:648583d6e41a | 327 | pc.printf(snprintf_buffer); |
hardtail | 0:6e61e8ec4b42 | 328 | |
hardtail | 0:6e61e8ec4b42 | 329 | #ifdef servotest |
hardtail | 0:6e61e8ec4b42 | 330 | int servoPulse = map((long)(RAD_TO_DEG(dmpData.yaw)*100), -9000, 9000, 500, 1450); |
hardtail | 0:6e61e8ec4b42 | 331 | if(servoPulse > 1450) servoPulse = 1450; |
hardtail | 0:6e61e8ec4b42 | 332 | if(servoPulse < 500) servoPulse = 500; |
hardtail | 0:6e61e8ec4b42 | 333 | sv.pulsewidth_us(servoPulse); |
hardtail | 0:6e61e8ec4b42 | 334 | #endif |
hardtail | 0:6e61e8ec4b42 | 335 | #endif |
hardtail | 0:6e61e8ec4b42 | 336 | |
hardtail | 0:6e61e8ec4b42 | 337 | #ifdef OUTPUT_FOR_TEAPOT |
hardtail | 0:6e61e8ec4b42 | 338 | teapotPacket[2] = fifoBuffer[0]; |
hardtail | 0:6e61e8ec4b42 | 339 | teapotPacket[3] = fifoBuffer[1]; |
hardtail | 0:6e61e8ec4b42 | 340 | teapotPacket[4] = fifoBuffer[4]; |
hardtail | 0:6e61e8ec4b42 | 341 | teapotPacket[5] = fifoBuffer[5]; |
hardtail | 0:6e61e8ec4b42 | 342 | teapotPacket[6] = fifoBuffer[8]; |
hardtail | 0:6e61e8ec4b42 | 343 | teapotPacket[7] = fifoBuffer[9]; |
hardtail | 0:6e61e8ec4b42 | 344 | teapotPacket[8] = fifoBuffer[12]; |
hardtail | 0:6e61e8ec4b42 | 345 | teapotPacket[9] = fifoBuffer[13]; |
hardtail | 0:6e61e8ec4b42 | 346 | for (uint8_t i = 0; i < 14; i++) { |
hardtail | 0:6e61e8ec4b42 | 347 | pc.putc(teapotPacket[i]); |
hardtail | 0:6e61e8ec4b42 | 348 | } |
hardtail | 0:6e61e8ec4b42 | 349 | #endif |
hardtail | 0:6e61e8ec4b42 | 350 | |
hardtail | 0:6e61e8ec4b42 | 351 | #ifdef OUTPUT_TEMPERATURE |
hardtail | 0:6e61e8ec4b42 | 352 | float temp = mpu.getTemperature() / 340.0 + 36.53; |
hardtail | 0:6e61e8ec4b42 | 353 | if ( snprintf( snprintf_buffer, snprintf_buffer_size, "Temp:%4.1fdeg\n", temp ) < 0 ) return; |
WeberYang | 2:648583d6e41a | 354 | pc.printf(snprintf_buffer); |
hardtail | 0:6e61e8ec4b42 | 355 | #endif |
hardtail | 0:6e61e8ec4b42 | 356 | |
WeberYang | 2:648583d6e41a | 357 | // pc.printf("\n"); |
WeberYang | 2:648583d6e41a | 358 | } |
WeberYang | 2:648583d6e41a | 359 | } |
WeberYang | 2:648583d6e41a | 360 | |
WeberYang | 2:648583d6e41a | 361 | int main() { |
WeberYang | 2:648583d6e41a | 362 | RS485.baud(PC_BAUDRATE); |
WeberYang | 2:648583d6e41a | 363 | MBED_ASSERT(Init() == true); |
WeberYang | 2:648583d6e41a | 364 | |
WeberYang | 2:648583d6e41a | 365 | nh.initNode(); |
WeberYang | 2:648583d6e41a | 366 | nh.advertise(imu_pub); |
WeberYang | 2:648583d6e41a | 367 | // nh.advertise(pub_lmotor); |
WeberYang | 2:648583d6e41a | 368 | // nh.advertise(pub_rmotor); |
WeberYang | 2:648583d6e41a | 369 | nh.subscribe(cmd_vel_sub); |
WeberYang | 2:648583d6e41a | 370 | SVON(1); |
WeberYang | 2:648583d6e41a | 371 | SVON(2); |
WeberYang | 2:648583d6e41a | 372 | while(1) |
WeberYang | 2:648583d6e41a | 373 | { |
WeberYang | 2:648583d6e41a | 374 | seq++; |
WeberYang | 2:648583d6e41a | 375 | mpu.getMotion6(&ax, &ay, &az, &gx, &gy, &gz); |
WeberYang | 2:648583d6e41a | 376 | |
WeberYang | 2:648583d6e41a | 377 | imu_msg.header.stamp = nh.now(); |
WeberYang | 2:648583d6e41a | 378 | imu_msg.header.frame_id = 0; |
WeberYang | 2:648583d6e41a | 379 | imu_msg.header.seq = seq; |
WeberYang | 2:648583d6e41a | 380 | imu_msg.accel.x = ax; |
WeberYang | 2:648583d6e41a | 381 | imu_msg.accel.y = ay; |
WeberYang | 2:648583d6e41a | 382 | imu_msg.accel.z = az; |
WeberYang | 2:648583d6e41a | 383 | imu_msg.gyro.x = gx; |
WeberYang | 2:648583d6e41a | 384 | imu_msg.gyro.y = gy; |
WeberYang | 2:648583d6e41a | 385 | imu_msg.gyro.z = gz; |
WeberYang | 2:648583d6e41a | 386 | imu_pub.publish( &imu_msg ); |
WeberYang | 2:648583d6e41a | 387 | nh.spinOnce(); |
WeberYang | 2:648583d6e41a | 388 | wait_ms(10); |
WeberYang | 2:648583d6e41a | 389 | //writing current accelerometer and gyro position |
WeberYang | 2:648583d6e41a | 390 | //pc.printf("%d;%d;%d;%d;%d;%d\r\n",ax,ay,az,gx,gy,gz); |
hardtail | 0:6e61e8ec4b42 | 391 | } |
hardtail | 0:6e61e8ec4b42 | 392 | } |