ServoRS304.h

/*
ServoRS304.h
author masato-ka
Date 2018/02/03
License is LGPL 2.1
Copyright © 2018 Masato Kawamura. All rights reserved.
*/

#ifndef ServoRS304_h
#define ServoRS304_h

#include<Arduino.h>
#include <string.h>
//TODO Should be adapt multi servo.

const int headerFAIndex = 0;
const int headerAFIndex = 1;
const int headerIdIndex = 2;
const int headerFlagIndex = 3;
const int headerAddressIndex = 4;
const int headerDataLengthIndex = 5;
const int headerCntIndex = 6;

const unsigned char FA = 0xFA;
const unsigned char AF = 0xAF;

const unsigned char WRITE_FLAG = 0x00;
const unsigned char REQUEST_FLAG = 0x09;
const unsigned char RESET_FLAG = 0x10;
const unsigned char RESET_ADDRESS = 0xFF;
const unsigned char RESET_DATALENGTH = 0xFF;
const unsigned char RESET_CNT = 0x00;
const unsigned char REST_DATA = 0xFF;
const unsigned char RESTART_FLAG = 0x20;
const unsigned char RESTART_ADDRESS = 0xFF;
const unsigned char SERVOID_ADDRESS = 0x04;
const unsigned char SERVODIRECTION_ADDRESS = 0x05;
const unsigned char USARTSPEED_ADDRESS = 0x06;
const unsigned char DELAYTIME_ADDRESS = 0x07;
const unsigned char ANGLELIMIT_ADDRESS = 0x08;
const unsigned char MERGIN_ADDRESS = 0x18;
const unsigned char SLOPE_ADDRESS = 0x1A;
const unsigned char PUNCH_ADDRESS = 0x1C;
const unsigned char TORQUE_ADDRESS = 0x24;
const unsigned char MAXTORQUE_ADDRESS = 0x23;
const unsigned char ANGLE_ADDRESS = 0x1E;


const int packetHeaderSize = 7;
const int packetCheckSumSize = 1;
const int returnRequestPacketSize = packetHeaderSize + packetCheckSumSize;
const int returnPacketSize = 26;

const unsigned char TORQUE_ON = 0x01;
const unsigned char TORQUE_OFF = 0x00;
const unsigned char TORQUE_BREAK = 0x02;

const long uartspeed_set[10] = {9600, 14400, 19200, 28800, 38400, 57600, 76800, 115200, 153600, 230400};
const int BIT_PER_BYTE = 8;
const int MICROSECOND = 1000000;

typedef struct PacketCMD{

    unsigned char header[2];
    unsigned char servoId;
    unsigned char flag;
    unsigned char headAddr;
    unsigned char dataLength;
    unsigned char servoCount;
    unsigned char data[1];
    unsigned char checkSum;

} packet_cmd;

class ServoController{
    private:
        unsigned char servoDirection = 0x00;
        unsigned char usartSpeed = 0x07;
        float sendDelayUSTimeOneByte = (1 / usartspeed_set[usartSpeed]) * BIT_PER_BYTE * MICROSECOND;
        unsigned char returnDelayTime = 0x00;
        HardwareSerial *hardwareSerial;
        ServoController();
        void calcCheckSum(unsigned char* cmd, int length);
        void sendCommand(unsigned char *cmd, int length);
        void getMemoryMap(unsigned char id, unsigned char * buffer);
        PacketCMD* shortPacketFactory(unsigned char servoId, unsigned char flag, unsigned char headerAddr, \
        unsigned char dataLength, unsigned char *data);
        PacketCMD* returnPakcetFactory(unsigned char servoId, unsigned char flag, unsigned char headerAddr, \
        unsigned char dataLength, unsigned char *data);
        void clearRxBuffer();
        void setShortPacketHeader(unsigned char *cmd, unsigned char servoId, unsigned char flag, unsigned char address);
        void setShortPacketData(unsigned char *cmd, int length , unsigned char *data);
    public:
        ServoController(HardwareSerial& hardwareSerial);
        void begin();
        void begin(long baurate);
        void end();
        void initializeServo();
        void resetServo(unsigned char servoId);
        void restartServo(unsigned char servoId);
        void changeServoId(unsigned char servoId, unsigned char newId);
        void reverseServoDirection(unsigned char servoId);
        void changeUSARTSpeed(unsigned char servoId, unsigned char speed);
        void setPacketReturnTime(unsigned char servoId, unsigned char time);
        void setMaxTorque(unsigned char servoId, unsigned char torque);
        void setAngleLimit(unsigned char servoId, short cw_angleLimit, short ccw_angleLimit);
        void setThermoLimit(unsigned char servoId, short limit);
        void setNoSignalTorque(unsigned char servoId, short torque);
        void setInitialTime(unsigned char servoId, short time);
        void setComplianceMergin(unsigned char servoId, unsigned char cw_mergin, unsigned char ccw_mergin);
        void setComplianceSlope(unsigned char servoId, unsigned char cw_slope, unsigned char ccw_slope);
        void setPunch(unsigned char servoId, unsigned char cw_punch, unsigned char ccw_punch);

        short getCurrentAngle(unsigned char servoId);
        int getCurrentTime(unsigned char servoId);
        short getCurrentSpeed(unsigned char servoId);
        short getCurrentServoLoad(unsigned char servoId);
        short getCurrentThermo(unsigned char servoId);
        float getCurrentVoltage(unsigned char servoId);

        void turnOnTorque(unsigned char servoId);
        void turnOffTorque(unsigned char servoId);
        void breakTorque(unsigned char servoId);
        void moveServo(unsigned char servoId, int angle, int speed);
};


#endif