smartdrive: upm implementation for SmartDrive from openelectronics.com

Signed-off-by: Oussema Harbi <oussema.elharbi@gmail.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Oussema Harbi 2016-03-16 21:24:11 +01:00 committed by Mihai Tudor Panu
parent 4381f8bd2e
commit 7e402ede34
7 changed files with 836 additions and 0 deletions

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/*
* The MIT License (MIT)
*
* Author: Oussema Harbi <oussema.elharbi@gmail.com>
* Copyright (c) <2016> <Oussema Harbi>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include "smartdrive.h"
#include <signal.h>
upm::SmartDrive *drive = NULL;
void
sig_handler(int signo)
{
printf("got signal\n");
if (signo == SIGINT) {
printf("exiting application\n");
if (drive != NULL)
delete drive;
exit (0);
}
}
int
main(int argc, char **argv)
{
float voltage = 0;
cout << "SmartDrive demo is starting. Please make sure drive is connected to board" << endl;
sleep(2); //Wait for 2 seconds in case you want to fix your h/w setup
// Instantiate a SmartDrive connected to /dev/i2c-0 bus, using DefaultAddress
drive = new upm::SmartDrive(0);
cout << "Battery Voltage before motor run : " << drive.GetBattVoltage() << std::endl;
//Set motor M1 to run for 300seconds, with speed of 15RPM, waith for it to finish and then Brake It
drive->Run_Seconds(Motor_ID_M1, Dir_Forward, 15, 300, true, Action_Brake );
std::cout << "Battery Voltage after motor run : " << drive.GetBattVoltage() << std::endl;
//Rotate motor M2 2270 degrees, in reverse sens, with speed of 10RPM, return immediately from function call
drive->Run_Degrees(Motor_ID_M2, Dir_Reverse, 10, 2270, false, Action_Float);
//While motor is running, Display its status
drive->PrintMotorStatus(Motor_ID_M2);
sleep(2); //Sleep for 2 seconds
//Stop motor M2 and then finish program
drive->StopMotor(Motor_ID_M2, Action_BrakeHold );
std::cout << "Demo complete. GoodBye" << std::endl;
delete drive;
drive = NULL;
return 0;
}

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set (libname "smartdrive")
set (libdescription "upm SmartDrive")
set (module_src ${libname}.cxx)
set (module_h ${libname}.h)
upm_module_init()

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%module javaupm_smartdrive
%include "../upm.i"
%{
#include "smartdrive.h"
%}
%include "smartdrive.h"

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%module jsupm_smartdrive
%include "../upm.i"
%{
#include "smartdrive.h"
%}
%include "smartdrive.h"

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%module pyupm_smartdrive
%include "../upm.i"
%include "stdint.i"
%include "smartdrive.h"
%{
#include "smartdrive.h"
%}

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/*
* The MIT License (MIT)
*
* Author: Oussema Harbi <oussema.elharbi@gmail.com>
* Copyright (c) <2016> <Oussema Harbi>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <iostream>
#include <exception>
#include <stdexcept>
#include <unistd.h>
#include <unistd.h>
#include <stdlib.h>
#include "smartdrive.h"
using namespace upm;
SmartDrive::SmartDrive(int i2c_bus, int address): m_smartdrive_control_address(address), m_i2c_smartdrive_control(i2c_bus)
{
mraa_result_t ret = m_i2c_smartdrive_control.address(m_smartdrive_control_address);
if (ret != MRAA_SUCCESS) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_i2c_address() failed");
return;
}
}
void
SmartDrive::writeByte(uint8_t addr, uint8_t value) {
try {
m_i2c_smartdrive_control.writeReg(addr, value);
} catch (int e) {
std::cout << "Failed to write " << value << " to address " << addr << " --> " << e << std::endl;
}
}
uint8_t
SmartDrive::readByte(uint8_t addr) {
try {
return m_i2c_smartdrive_control.readReg(addr);
} catch (int e) {
std::cout << "Failed to read byte at address " << addr << " --> " << e << std::endl;
}
return -1;
}
void
SmartDrive::writeArray(uint8_t* array) {
try {
m_i2c_smartdrive_control.write(array, sizeof(array)/sizeof(uint8_t));
} catch (int e) {
std::cout << "Failed to write array values to address " << array[0] << " --> " << e << std::endl;
}
}
uint16_t
SmartDrive::readInteger(uint8_t addr) {
try {
return m_i2c_smartdrive_control.readWordReg(addr);
} catch (int e) {
std::cout << "Failed to read value at address " << addr << " --> " << e << std::endl;
}
return -1;
}
uint32_t
SmartDrive::readLongSigned(uint8_t addr) {
uint8_t bytes[4]={0};
try {
m_i2c_smartdrive_control.readBytesReg(addr, bytes, sizeof(bytes)/sizeof(uint8_t));
return (bytes[0]|(bytes[1]<<8)|(bytes[2]<<16)|(bytes[3]<<24));
} catch (int e) {
std::cout << "Failed to read integer value at address " << addr << " --> " << e << std::endl;
}
return -1;
}
void
SmartDrive::command(uint8_t cmd) {
std::cout << "Running Command : " << cmd << std::endl;
writeByte(SmartDrive_COMMAND, cmd);
}
float
SmartDrive::GetBattVoltage() {
uint8_t value = 0;
try {
value = readByte(SmartDrive_BATT_VOLTAGE);
return (value * SmartDrive_VOLTAGE_MULTIPLIER);
} catch (int e) {
std::cout << "Error: Could not read voltage -> " << e << std::endl;
}
return -1.0f;
}
uint32_t
SmartDrive::ReadTachometerPosition(int motor_id) {
try {
if (motor_id == 1 )
return readLongSigned(SmartDrive_POSITION_M1);
else
return readLongSigned(SmartDrive_POSITION_M2);
} catch (int e) {
std::cout << "Error: Could not read encoders" << std::endl;
}
return -1;
}
void
SmartDrive::Run_Unlimited(int motor_id, int direction, uint8_t speed) {
uint8_t ctrl = 0;
ctrl |= SmartDrive_CONTROL_SPEED;
ctrl |= SmartDrive_CONTROL_BRK;
std::cout << "Running with speed : " << (int) speed << std::endl;
if ( motor_id != SmartDrive_Motor_ID_BOTH )
ctrl |= SmartDrive_CONTROL_GO;
if ( direction != SmartDrive_Dir_Forward )
speed = speed * -1;
if ( motor_id != SmartDrive_Motor_ID_2) {
uint8_t array [5] = {SmartDrive_SPEED_M1, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id != SmartDrive_Motor_ID_1) {
uint8_t array [5] = {SmartDrive_SPEED_M2, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id == SmartDrive_Motor_ID_BOTH )
writeByte(SmartDrive_COMMAND, CMD_S);
}
void
SmartDrive::StopMotor(int motor_id, int next_action ) {
if ( next_action !=SmartDrive_Action_Float )
writeByte(SmartDrive_COMMAND, CMD_A+motor_id-1);
else
writeByte(SmartDrive_COMMAND, CMD_a+motor_id-1);
}
void
SmartDrive::Run_Seconds(int motor_id, int direction, uint8_t speed, uint8_t duration, bool wait_for_completion, int next_action ) {
uint8_t ctrl = 0;
ctrl |= SmartDrive_CONTROL_SPEED;
ctrl |= SmartDrive_CONTROL_TIME;
if ( next_action ==SmartDrive_Action_Brake )
ctrl |= SmartDrive_CONTROL_BRK;
if ( next_action ==SmartDrive_Action_BrakeHold ) {
ctrl |= SmartDrive_CONTROL_BRK;
ctrl |= SmartDrive_CONTROL_ON;
}
if ( motor_id != SmartDrive_Motor_ID_BOTH )
ctrl |= SmartDrive_CONTROL_GO;
if ( direction != SmartDrive_Dir_Forward )
speed = speed * -1;
if ( motor_id != SmartDrive_Motor_ID_2) {
uint8_t array[5] = {SmartDrive_SPEED_M1, speed, duration, 0, ctrl};
writeArray(array);
}
if ( motor_id != SmartDrive_Motor_ID_1) {
uint8_t array[5] = {SmartDrive_SPEED_M2, speed, duration, 0, ctrl};
writeArray(array);
}
if ( motor_id == SmartDrive_Motor_ID_BOTH )
writeByte(SmartDrive_COMMAND, CMD_S);
if ( wait_for_completion ) {
sleep(1); //this delay is required for the status byte to be available for reading.
WaitUntilTimeDone(motor_id);
}
}
void
SmartDrive::WaitUntilTimeDone(int motor_id) {
while (IsTimeDone(motor_id) == false)
sleep(1);
}
bool
SmartDrive::IsTimeDone(int motor_id) {
uint8_t result_1 = 0, result_2 = 0;
if ( motor_id != SmartDrive_Motor_ID_2 )
result_1 = readByte(SmartDrive_STATUS_M1);
if ( motor_id != SmartDrive_Motor_ID_1 )
result_2 = readByte(SmartDrive_STATUS_M2);
return (((result_1 & 0x40) == 0) && ((result_2 & 0x40) == 0) ); //look for time bits to be zero
}
void
SmartDrive::Run_Degrees(int motor_id, int direction, uint8_t speed, uint32_t degrees, bool wait_for_completion, int next_action) {
uint8_t ctrl = 0;
ctrl |= SmartDrive_CONTROL_SPEED;
ctrl |= SmartDrive_CONTROL_TACHO;
ctrl |= SmartDrive_CONTROL_RELATIVE;
uint32_t d = degrees;
if ( direction != SmartDrive_Dir_Forward )
d = degrees * -1 ;
uint8_t t4 = (d/0x1000000);
uint8_t t3 = ((d%0x1000000)/0x10000);
uint8_t t2 = (((d%0x1000000)%0x10000)/0x100);
uint8_t t1 = (((d%0x1000000)%0x10000)%0x100);
if ( next_action ==SmartDrive_Action_Brake )
ctrl |= SmartDrive_CONTROL_BRK;
if ( next_action ==SmartDrive_Action_BrakeHold ) {
ctrl |= SmartDrive_CONTROL_BRK;
ctrl |= SmartDrive_CONTROL_ON;
}
if ( motor_id != SmartDrive_Motor_ID_BOTH )
ctrl |= SmartDrive_CONTROL_GO;
if ( motor_id != SmartDrive_Motor_ID_2) {
uint8_t array[9] = {SmartDrive_SETPT_M1, t1, t2, t3, t4, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id != SmartDrive_Motor_ID_1){
uint8_t array[9] = {SmartDrive_SETPT_M2, t1, t2, t3, t4, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id == SmartDrive_Motor_ID_BOTH )
writeByte(SmartDrive_COMMAND, CMD_S);
if ( wait_for_completion ) {
sleep(1);//this delay is required for the status byte to be available for reading.
WaitUntilTachoDone(motor_id);
}
}
void
SmartDrive::Run_Rotations(int motor_id, int direction, uint8_t speed, uint32_t rotations, bool wait_for_completion, int next_action) {
uint8_t ctrl = 0;
ctrl |= SmartDrive_CONTROL_SPEED;
ctrl |= SmartDrive_CONTROL_TACHO;
ctrl |= SmartDrive_CONTROL_RELATIVE;
uint32_t d = rotations * 360;
if ( direction != SmartDrive_Dir_Forward )
d = (rotations * 360) * -1;
uint8_t t4 = (d/0x1000000);
uint8_t t3 = ((d%0x1000000)/0x10000);
uint8_t t2 = (((d%0x1000000)%0x10000)/0x100);
uint8_t t1 = (((d%0x1000000)%0x10000)%0x100);
if ( next_action ==SmartDrive_Action_Brake )
ctrl |= SmartDrive_CONTROL_BRK;
if ( next_action ==SmartDrive_Action_BrakeHold ) {
ctrl |= SmartDrive_CONTROL_BRK;
ctrl |= SmartDrive_CONTROL_ON;
}
if ( motor_id != SmartDrive_Motor_ID_BOTH )
ctrl |= SmartDrive_CONTROL_GO;
if ( motor_id != SmartDrive_Motor_ID_2) {
uint8_t array[9] = {SmartDrive_SETPT_M1, t1, t2, t3, t4, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id != SmartDrive_Motor_ID_1) {
uint8_t array[9] = {SmartDrive_SETPT_M2, t1, t2, t3, t4, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id == SmartDrive_Motor_ID_BOTH )
writeByte(SmartDrive_COMMAND, CMD_S);
if ( wait_for_completion) {
sleep(1); //this delay is required for the status byte to be available for reading.
WaitUntilTachoDone(motor_id);
}
}
void
SmartDrive::Run_Tacho(int motor_id, uint8_t speed, uint32_t tacho_count, bool wait_for_completion, int next_action) {
uint8_t ctrl = 0;
ctrl |= SmartDrive_CONTROL_SPEED;
ctrl |= SmartDrive_CONTROL_TACHO;
uint32_t d = tacho_count;
uint8_t t4 = (d/0x1000000);
uint8_t t3 = ((d%0x1000000)/0x10000);
uint8_t t2 = (((d%0x1000000)%0x10000)/0x100);
uint8_t t1 = (((d%0x1000000)%0x10000)%0x100);
if ( next_action ==SmartDrive_Action_Brake )
ctrl |= SmartDrive_CONTROL_BRK;
if ( next_action ==SmartDrive_Action_BrakeHold ) {
ctrl |= SmartDrive_CONTROL_BRK;
ctrl |= SmartDrive_CONTROL_ON;
}
if ( motor_id != SmartDrive_Motor_ID_BOTH )
ctrl |= SmartDrive_CONTROL_GO;
if ( motor_id != SmartDrive_Motor_ID_2){
uint8_t array[9]= {SmartDrive_SETPT_M1, t1, t2, t3, t4, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id != SmartDrive_Motor_ID_1){
uint8_t array[9]= {SmartDrive_SETPT_M2, t1, t2, t3, t4, speed, 0, 0, ctrl};
writeArray(array);
}
if ( motor_id == SmartDrive_Motor_ID_BOTH )
writeByte(SmartDrive_COMMAND, CMD_S);
if ( wait_for_completion )
sleep(1); //this delay is required for the status byte to be available for reading.
WaitUntilTachoDone(motor_id);
}
void
SmartDrive::WaitUntilTachoDone(int motor_id) {
while (IsTachoDone(motor_id) == false)
sleep(1);
}
bool
SmartDrive::IsTachoDone(int motor_id) {
uint8_t result_1 = 0, result_2 = 0;
if ( motor_id != SmartDrive_Motor_ID_2 )
result_1 = readByte(SmartDrive_STATUS_M1);
if ( motor_id != SmartDrive_Motor_ID_1 )
result_2 = readByte(SmartDrive_STATUS_M2);
//look for both time bits to be zero
return (((result_1 & 0x08) == 0) && ((result_2 & 0x08) == 0) );
}
void
SmartDrive::SetPerformanceParameters( uint16_t Kp_tacho, uint16_t Ki_tacho, uint16_t Kd_tacho, uint16_t Kp_speed, uint16_t Ki_speed, uint16_t Kd_speed, uint8_t passcount, uint8_t tolerance) {
uint8_t Kp_t1 = Kp_tacho%0x100;
uint8_t Kp_t2 = Kp_tacho/0x100;
uint8_t Ki_t1 = Ki_tacho%0x100;
uint8_t Ki_t2 = Ki_tacho/0x100;
uint8_t Kd_t1 = Kd_tacho%0x100;
uint8_t Kd_t2 = Kd_tacho/0x100;
uint8_t Kp_s1 = Kp_speed%0x100;
uint8_t Kp_s2 = Kp_speed/0x100;
uint8_t Ki_s1 = Ki_speed%0x100;
uint8_t Ki_s2 = Ki_speed/0x100;
uint8_t Kd_s1 = Kd_speed%0x100;
uint8_t Kd_s2 = Kd_speed/0x100;
uint8_t array[15] = {SmartDrive_P_Kp, Kp_t1 , Kp_t2 , Ki_t1, Ki_t2, Kd_t1, Kd_t2, Kp_s1, Kp_s2, Ki_s1, Ki_s2, Kd_s1, Kd_s2, passcount, tolerance};
writeArray(array);
}
void
SmartDrive::ReadPerformanceParameters() {
try {
std::cout << "Pkp: " << readInteger(SmartDrive_P_Kp) << std::endl;
std::cout << "Pki: " << readInteger(SmartDrive_P_Ki) << std::endl;
std::cout << "Pkd: " << readInteger(SmartDrive_P_Kd) << std::endl;
std::cout << "Skp: " << readInteger(SmartDrive_S_Kp) << std::endl;
std::cout << "Ski: " << readInteger(SmartDrive_S_Ki) << std::endl;
std::cout << "Skd: " << readInteger(SmartDrive_S_Kd) << std::endl;
std::cout << "Passcount: " << SmartDrive_PASSCOUNT << std::endl; //ToDo : Check if these should actually be Register Reads !!
std::cout << "Tolerance: " << SmartDrive_PASSTOLERANCE << std::endl;
} catch( int e) {
std::cout << "Error: Could not read PID values -> " << e << std::endl;
}
}
uint8_t
SmartDrive::GetMotorStatus(int motor_id) {
uint8_t status=0;
if (motor_id == SmartDrive_Motor_ID_1)
status = readByte(SmartDrive_STATUS_M1);
if (motor_id == SmartDrive_Motor_ID_2)
status = readByte(SmartDrive_STATUS_M1);
if (motor_id == SmartDrive_Motor_ID_BOTH) {
std::cout << "Please specifiy which motor's status you want to fetch !" << std::endl;
}
return status;
}
void
SmartDrive::PrintMotorStatus(int motor_id) {
if (motor_id != SmartDrive_Motor_ID_BOTH) {
uint8_t status = GetMotorStatus(motor_id);
uint8_t control_on = (status & SmartDrive_MOTOR_CONTROL_ON);
uint8_t is_ramping = (status & SmartDrive_MOTOR_IS_RAMPING);
uint8_t is_powered = (status & SmartDrive_MOTOR_IS_POWERED);
uint8_t pos_control_on = (status & SmartDrive_MOTOR_POS_CTRL_ON);
uint8_t in_brake_mode = (status & SmartDrive_MOTOR_IN_BRAKE_MODE);
uint8_t is_overloaded = (status & SmartDrive_MOTOR_OVERLOADED);
uint8_t in_time_mode = (status & SmartDrive_MOTOR_IN_TIME_MODE);
uint8_t is_stalled = (status & SmartDrive_MOTOR_IS_STALLED);
std::cout << "Motor " << motor_id+1 << " is programemd to move at " << ( (control_on == 0) ? "variable" : "fixed") << " speed" << std::endl;
std::cout << "Motor " << motor_id+1 << " is " << ((is_ramping == 0) ? "NOT" : "") << " ramping" << std::endl;
std::cout << "Motor " << motor_id+1 << " is " << ((is_powered == 0) ? "NOT" : "") << " powered" << std::endl;
std::cout << "Motor " << motor_id+1 << " is " << ((pos_control_on == 0) ? "moving towards desired encoder " : "holding it ") << "position" << std::endl;
std::cout << "Motor " << motor_id+1 << " is in " << ((in_brake_mode == 0) ? "brake" : "float") << " mode" << std::endl;
std::cout << "Motor " << motor_id+1 << " is " << ((is_overloaded == 0) ? "NOT" : "") << " overloaded" << std::endl;
std::cout << "Motor " << motor_id+1 << " is " << ((in_time_mode == 0) ? "NOT" : "") << " in time mode" << std::endl;
std::cout << "Motor " << motor_id+1 << " is " << ((is_stalled == 0) ? "NOT" : "") << " stalled" << std::endl;
} else {
std::cout << "Please specifiy which motor's status you want to fetch !" << std::endl;
}
}

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src/smartdrive/smartdrive.h Normal file
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/*
* The MIT License (MIT)
*
* Author: Oussema Harbi <oussema.elharbi@gmail.com>
* Copyright (c) <2016> <Oussema Harbi>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <mraa/i2c.hpp>
//We can use direct integer IDs,
//or we can use the typedef here to help limit the error cases
//and still support extension to support more Motors in the future
//But when using typedef, we need to cast these when sending them in i2c bus
#define SmartDrive_Motor_ID_1 0x01
#define SmartDrive_Motor_ID_2 0x02
#define SmartDrive_Motor_ID_BOTH 0x03
#define SmartDrive_Dir_Reverse 0x00
#define SmartDrive_Dir_Forward 0x01
#define SmartDrive_Action_Float 0x00 //stop and let the motor coast.
#define SmartDrive_Action_Brake 0x01 //apply brakes, and resist change to tachometer
#define SmartDrive_Action_BrakeHold 0x02 //apply brakes, and restore externally forced change to tachometer
//Next action (upon completion of current action)
#define SmartDrive_Completion_Wait_For 0x01
#define SmartDrive_Completion_Dont_Wait 0x00
#define SmartDrive_DefaultAddress 0x1b
#define SmartDrive_VOLTAGE_MULTIPLIER 212.7
//Commonly used speed constants, these are just convenience constants
//You can use any value between 0 and 100.
#define SmartDrive_Speed_Full 90
#define SmartDrive_Speed_Medium 60
#define SmartDrive_Speed_Slow 25
//Different commands
#define SmartDrive_CONTROL_SPEED 0x01
#define SmartDrive_CONTROL_RAMP 0x02
#define SmartDrive_CONTROL_RELATIVE 0x04
#define SmartDrive_CONTROL_TACHO 0x08
#define SmartDrive_CONTROL_BRK 0x10
#define SmartDrive_CONTROL_ON 0x20
#define SmartDrive_CONTROL_TIME 0x40
#define SmartDrive_CONTROL_GO 0x80
#define SmartDrive_COMMAND 0x41
#define SmartDrive_SETPT_M1 0x42
#define SmartDrive_SPEED_M1 0x46
#define SmartDrive_TIME_M1 0x47
#define SmartDrive_CMD_B_M1 0x48
#define SmartDrive_CMD_A_M1 0x49
#define SmartDrive_SETPT_M2 0x4A
#define SmartDrive_SPEED_M2 0x4E
#define SmartDrive_TIME_M2 0x4F
#define SmartDrive_CMD_B_M2 0x50
#define SmartDrive_CMD_A_M2 0x51
//Read registers.
#define SmartDrive_POSITION_M1 0x52
#define SmartDrive_POSITION_M2 0x56
#define SmartDrive_STATUS_M1 0x5A
#define SmartDrive_STATUS_M2 0x5B
#define SmartDrive_TASKS_M1 0x5C
#define SmartDrive_TASKS_M2 0x5D
//PID control registers
#define SmartDrive_P_Kp 0x5E //proportional gain-position
#define SmartDrive_P_Ki 0x60 //integral gain-position
#define SmartDrive_P_Kd 0x62 //derivative gain-position
#define SmartDrive_S_Kp 0x64 //proportional gain-speed
#define SmartDrive_S_Ki 0x66 //integral gain-speed
#define SmartDrive_S_Kd 0x68 //derivative gain-speed
#define SmartDrive_PASSCOUNT 0x6A
#define SmartDrive_PASSTOLERANCE 0x6B
#define SmartDrive_CHKSUM 0x6C
//Power data registers
#define SmartDrive_BATT_VOLTAGE 0x6E
#define SmartDrive_RESETSTATUS 0x6F
#define SmartDrive_CURRENT_M1 0x70
#define SmartDrive_CURRENT_M2 0x72
//Supported I2C commands
#define CMD_R 0x52
#define CMD_S 0x53
#define CMD_a 0x61
#define CMD_b 0x62
#define CMD_c 0x63
#define CMD_A 0x41
#define CMD_B 0x42
#define CMD_C 0x43
//Motor Status Masks
#define SmartDrive_MOTOR_CONTROL_ON 0x1
#define SmartDrive_MOTOR_IS_RAMPING 0x2
#define SmartDrive_MOTOR_IS_POWERED 0x4
#define SmartDrive_MOTOR_POS_CTRL_ON 0x8
#define SmartDrive_MOTOR_IN_BRAKE_MODE 0x10
#define SmartDrive_MOTOR_OVERLOADED 0x20
#define SmartDrive_MOTOR_IN_TIME_MODE 0x40
#define SmartDrive_MOTOR_IS_STALLED 0x80
namespace upm {
/**
* @brief SmartDrive library
* @defgroup smartdrive libupm-smartdrive
* @ingroup i2c motor openelectrons
*/
/**
* @library smartdrive
* @sensor smartdrive
* @comname SmartDrive advanced motor controller
* @altname smartdrive
* @type motor
* @man openelectrons
* @con i2c
*
* @brief API for the SmartDrive advanced motor controller from OpenElectronis
*
* SmartDrive is a multiplexer to control high current DC motors
*
* This module has been tested on the SmartDrive.
*
* @image html smartdrive.jpeg
* @snippet smartdrive.cxx Interesting
*/
//Class definition
class SmartDrive {
public:
/**
* Initialize the class with the i2c address of your SmartDrive
* @param SmartDrive_address Address of your SmartDrive.
*/
SmartDrive(int i2c_bus, int address = SmartDrive_DefaultAddress);
/**
* Writes a specified command on the command register of the SmartDrive
* @param cmd The command you wish the SmartDrive to execute.
*/
void command(uint8_t cmd);
/**
* Reads the battery voltage. Multiplier constant not yet verified
*/
float GetBattVoltage();
/**
* Reads the tacheometer position of the specified motor
* @param motor_id Number of the motor you wish to read.
*/
uint32_t ReadTachometerPosition(int motor_id);
/**
* Turns the specified motor(s) forever
* @param motor_id Number of the motor(s) you wish to turn.
* @param direction The direction you wish to turn the motor(s).
* @param speed The speed at which you wish to turn the motor(s).
*/
void Run_Unlimited(int motor_id, int direction, uint8_t speed);
/**
* Stops the specified motor(s)
* @param motor_id Number of the motor(s) you wish to turn.
* @param next_action How you wish to stop the motor(s).
*/
void StopMotor(int motor_id, int next_action );
/**
* Turns the specified motor(s) for a given amount of seconds
* @param motor_id Number of the motor(s) you wish to turn.
* @param direction The direction you wish to turn the motor(s).
* @param speed The speed at which you wish to turn the motor(s).
* @param duration The time in seconds you wish to turn the motor(s).
* @param wait_for_completion Tells the program when to handle the next line of code.
* @param next_action How you wish to stop the motor(s).
*/
void Run_Seconds(int motor_id, int direction, uint8_t speed, uint8_t duration, bool wait_for_completion, int next_action );
/**
* Waits until the specified time for the motor(s) to run is completed
* @param motor_id Number of the motor(s) to wait for.
*/
void WaitUntilTimeDone(int motor_id);
/**
* Checks to ensure the specified time for the motor(s) to run is completed.
* @param motor_id Number of the motor(s) to check.
*/
bool IsTimeDone(int motor_id);
/**
* Turns the specified motor(s) for given relative tacheometer count
* @param motor_id Number of the motor(s) you wish to turn.
* @param direction The direction you wish to turn the motor(s).
* @param speed The speed at which you wish to turn the motor(s).
* @param degrees The relative tacheometer count you wish to turn the motor(s).
* @param wait_for_completion Tells the program when to handle the next line of code.
* @param next_action How you wish to stop the motor(s).
*/
void Run_Degrees(int motor_id, int direction, uint8_t speed, uint32_t degrees, bool wait_for_completion, int next_action);
/**
* Turns the specified motor(s) for given relative tacheometer count
* @param motor_id Number of the motor(s) you wish to turn.
* @param direction The direction you wish to turn the motor(s).
* @param speed The speed at which you wish to turn the motor(s).
* @param rotations The relative amount of rotations you wish to turn the motor(s).
* @param wait_for_completion Tells the program when to handle the next line of code.
* @param next_action How you wish to stop the motor(s).
*/
void Run_Rotations(int motor_id, int direction, uint8_t speed, uint32_t rotations, bool wait_for_completion, int next_action);
/**
* Turns the specified motor(s) for given absolute tacheometer count
* @param motor_id Number of the motor(s) you wish to turn.
* @param direction The direction you wish to turn the motor(s).
* @param speed The speed at which you wish to turn the motor(s).
* @param tacho_count The absolute tacheometer count you wish to turn the motor(s).
* @param wait_for_completion Tells the program when to handle the next line of code.
* @param next_action How you wish to stop the motor(s).
*/
void Run_Tacho(int motor_id, uint8_t speed, uint32_t tacho_count, bool wait_for_completion, int next_action);
/**
* Waits until the specified tacheomter count for the motor(s) to run is reached.
* @param motor_id Number of the motor(s) to wait for.
*/
void WaitUntilTachoDone(int motor_id);
/**
* Checks to ensure the specified tacheomter count for the motor(s) to run is reached.
* @param motor_id Number of the motor(s) to check.
*/
bool IsTachoDone(int motor_id);
/**
* Writes user specified values to the PID control registers
* @param Kp_tacho Proportional-gain of the tacheometer position of the motor.
* @param Ki_tacho Integral-gain of the tacheometer position of the motor.
* @param Kd_tacho Derivative-gain of the tacheometer position of the motor.
* @param Kp_speed Proportional-gain of the speed of the motor.
* @param Ki_speed Integral-gain of the speed of the motor.
* @param Kd_speed Derivative-gain of the speed of the motor.
*/
void SetPerformanceParameters( uint16_t Kp_tacho, uint16_t Ki_tacho, uint16_t Kd_tacho, uint16_t Kp_speed, uint16_t Ki_speed, uint16_t Kd_speed, uint8_t passcount, uint8_t tolerance);
/**
* Reads the values of the PID control registers
*/
void ReadPerformanceParameters();
/**
* Read the status of a motor, and return it in a uint8_t
* param motor_id Number fo the motor to check
*/
uint8_t GetMotorStatus(int motor_id);
/**
* Print the detailed status of the motor
* @param motor_id Number fo the motor to check
*/
void PrintMotorStatus(int motor_id);
private:
void writeByte(uint8_t addr, uint8_t value);
void writeArray(uint8_t* array);
uint8_t readByte(uint8_t addr);
uint16_t readInteger(uint8_t addr);
uint32_t readLongSigned(uint8_t addr);
private:
int m_smartdrive_control_address;
mraa::I2c m_i2c_smartdrive_control;
};
}