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Mario Voigt 2021-08-08 14:43:38 +02:00
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commit 0fdd5dcf9e
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firmware_smartstepper_trikarus/stepper_nano_zero/.cproject
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68
firmware_smartstepper_trikarus/stepper_nano_zero/.project
View File

@ -1,34 +1,34 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>NZS</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
<triggers>clean,full,incremental,</triggers>
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<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
<triggers>full,incremental,</triggers>
<arguments>
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<nature>org.eclipse.cdt.core.cnature</nature>
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</natures>
<linkedResources>
<link>
<name>arduino</name>
<type>2</type>
<location>C:/Users/tramp_000/AppData/Local/Arduino15/packages/arduino/hardware/samd/1.6.8/cores/arduino</location>
</link>
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>NZS</name>
<comment></comment>
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304
firmware_smartstepper_trikarus/stepper_nano_zero/A1333.cpp
View File

@ -1,152 +1,152 @@
/**********************************************************************
Copyright (C) 2019 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
a standard GPL open source license, or a commercial license. The standard GPL
license requires that all software statically linked with MisfitTec Code is
also distributed under the same GPL V2 license terms. Details of both license
options follow:
- Open source licensing -
MisfitTech is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V2 text is available on the gnu.org web site
- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a low cost commercial license
before incorporating MisfitTech code into proprietary software for distribution in
any form. Commercial licenses can be purchased from www.misfittech.net
and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
use MisfitTech's code unless you agree that you use the software 'as is'.
MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
implied, expressed, or statutory.
Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
please support MisfitTech and open-source hardware by purchasing
products from MisfitTech, www.misifittech.net!
*********************************************************************/
#include <Arduino.h>
#include "syslog.h"
#include "A1333.h"
#include "SPI.h"
#include <stdio.h>
#include "board.h"
#define A1333_CMD_NOP (0x0000)
#define A1333_ANG15 (0x3200)
SPISettings settingsA(500000, MSBFIRST, SPI_MODE3); ///400000, MSBFIRST, SPI_MODE1);
boolean A1333::begin(int csPin)
{
digitalWrite(PIN_AS5047D_CS,LOW); //pull CS LOW by default (chip powered off)
digitalWrite(PIN_MOSI,LOW);
digitalWrite(PIN_SCK,LOW);
digitalWrite(PIN_MISO,LOW);
pinMode(PIN_MISO,OUTPUT);
delay(1000);
digitalWrite(PIN_AS5047D_CS,HIGH); //pull CS high
pinMode(PIN_MISO,INPUT);
chipSelectPin=csPin;
LOG("csPin is %d",csPin);
pinMode(chipSelectPin,OUTPUT);
digitalWrite(chipSelectPin,HIGH); //pull CS high by default
delay(1);
SPI.begin(); //AS5047D SPI uses mode=1 (CPOL=0, CPHA=1)
LOG("Begin A1333...");
LOG("Address is 0x%04X",readAddress(A1333_ANG15));
}
//read the encoders
int16_t A1333::readAddress(uint16_t addr)
{
uint16_t data;
//make sure it is a write by setting bit 14
//addr=addr | 0x4000;
SPI.beginTransaction(settingsA);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out the address to read
//LOG("address 0x%04X",addr);
SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
delayMicroseconds(1);
digitalWrite(chipSelectPin, LOW);
//clock out zeros to read in the data from address
data=SPI.transfer16(0x00);
digitalWrite(chipSelectPin, HIGH);
SPI.endTransaction();
return data;
}
//read the encoders
int16_t A1333::readEncoderAngle(void)
{
return readAddress(A1333_ANG15)>>1;
}
int16_t A1333::readEncoderAnglePipeLineRead(void)
{
static bool first=true;
uint16_t addr = A1333_ANG15;
uint16_t addr2;
uint16_t data;
if (first)
{
//make sure it is a write by setting bit 14
//addr2=addr | 0x4000;
SPI.beginTransaction(settingsA);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out the address to read
SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
delayMicroseconds(1);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out zeros to read in the data from address
data=SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
SPI.endTransaction();
first=false;
return data>>1;
}
SPI.beginTransaction(settingsA);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out zeros to read in the data from address
data=SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
SPI.endTransaction();
return data>>1;
}
/**********************************************************************
Copyright (C) 2019 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
a standard GPL open source license, or a commercial license. The standard GPL
license requires that all software statically linked with MisfitTec Code is
also distributed under the same GPL V2 license terms. Details of both license
options follow:
- Open source licensing -
MisfitTech is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V2 text is available on the gnu.org web site
- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a low cost commercial license
before incorporating MisfitTech code into proprietary software for distribution in
any form. Commercial licenses can be purchased from www.misfittech.net
and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
use MisfitTech's code unless you agree that you use the software 'as is'.
MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
implied, expressed, or statutory.
Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
please support MisfitTech and open-source hardware by purchasing
products from MisfitTech, www.misifittech.net!
*********************************************************************/
#include <Arduino.h>
#include "syslog.h"
#include "A1333.h"
#include "SPI.h"
#include <stdio.h>
#include "board.h"
#define A1333_CMD_NOP (0x0000)
#define A1333_ANG15 (0x3200)
SPISettings settingsA(500000, MSBFIRST, SPI_MODE3); ///400000, MSBFIRST, SPI_MODE1);
boolean A1333::begin(int csPin)
{
digitalWrite(PIN_AS5047D_CS,LOW); //pull CS LOW by default (chip powered off)
digitalWrite(PIN_MOSI,LOW);
digitalWrite(PIN_SCK,LOW);
digitalWrite(PIN_MISO,LOW);
pinMode(PIN_MISO,OUTPUT);
delay(1000);
digitalWrite(PIN_AS5047D_CS,HIGH); //pull CS high
pinMode(PIN_MISO,INPUT);
chipSelectPin=csPin;
LOG("csPin is %d",csPin);
pinMode(chipSelectPin,OUTPUT);
digitalWrite(chipSelectPin,HIGH); //pull CS high by default
delay(1);
SPI.begin(); //AS5047D SPI uses mode=1 (CPOL=0, CPHA=1)
LOG("Begin A1333...");
LOG("Address is 0x%04X",readAddress(A1333_ANG15));
}
//read the encoders
int16_t A1333::readAddress(uint16_t addr)
{
uint16_t data;
//make sure it is a write by setting bit 14
//addr=addr | 0x4000;
SPI.beginTransaction(settingsA);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out the address to read
//LOG("address 0x%04X",addr);
SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
delayMicroseconds(1);
digitalWrite(chipSelectPin, LOW);
//clock out zeros to read in the data from address
data=SPI.transfer16(0x00);
digitalWrite(chipSelectPin, HIGH);
SPI.endTransaction();
return data;
}
//read the encoders
int16_t A1333::readEncoderAngle(void)
{
return readAddress(A1333_ANG15)>>1;
}
int16_t A1333::readEncoderAnglePipeLineRead(void)
{
static bool first=true;
uint16_t addr = A1333_ANG15;
uint16_t addr2;
uint16_t data;
if (first)
{
//make sure it is a write by setting bit 14
//addr2=addr | 0x4000;
SPI.beginTransaction(settingsA);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out the address to read
SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
delayMicroseconds(1);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out zeros to read in the data from address
data=SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
SPI.endTransaction();
first=false;
return data>>1;
}
SPI.beginTransaction(settingsA);
digitalWrite(chipSelectPin, LOW);
delayMicroseconds(1);
//clock out zeros to read in the data from address
data=SPI.transfer16(addr);
digitalWrite(chipSelectPin, HIGH);
SPI.endTransaction();
return data>>1;
}

118
firmware_smartstepper_trikarus/stepper_nano_zero/A1333.h
View File

@ -1,59 +1,59 @@
/**********************************************************************
Copyright (C) 2019 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
a standard GPL open source license, or a commercial license. The standard GPL
license requires that all software statically linked with MisfitTec Code is
also distributed under the same GPL V2 license terms. Details of both license
options follow:
- Open source licensing -
MisfitTech is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V2 text is available on the gnu.org web site
- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a low cost commercial license
before incorporating MisfitTech code into proprietary software for distribution in
any form. Commercial licenses can be purchased from www.misfittech.net
and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
use MisfitTech's code unless you agree that you use the software 'as is'.
MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
implied, expressed, or statutory.
Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
please support MisfitTech and open-source hardware by purchasing
products from MisfitTech, www.misifittech.net!
*********************************************************************/
#ifndef A1333_H_
#define A1333_H_
#include <Arduino.h>
#define A1333_DEGREES_PER_BIT (360.0/(float)(0x7FFF))
class A1333 {
private:
int chipSelectPin;
public:
boolean begin(int csPin);
int16_t readEncoderAngle(void);
int16_t readAddress(uint16_t addr);
int16_t readEncoderAnglePipeLineRead(void);
void diagnostics(char *ptrStr) {return;};
bool getError(void) {return false;};
};
#endif /* A1333_H_ */
/**********************************************************************
Copyright (C) 2019 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
a standard GPL open source license, or a commercial license. The standard GPL
license requires that all software statically linked with MisfitTec Code is
also distributed under the same GPL V2 license terms. Details of both license
options follow:
- Open source licensing -
MisfitTech is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V2 text is available on the gnu.org web site
- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a low cost commercial license
before incorporating MisfitTech code into proprietary software for distribution in
any form. Commercial licenses can be purchased from www.misfittech.net
and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
use MisfitTech's code unless you agree that you use the software 'as is'.
MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
implied, expressed, or statutory.
Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
please support MisfitTech and open-source hardware by purchasing
products from MisfitTech, www.misifittech.net!
*********************************************************************/
#ifndef A1333_H_
#define A1333_H_
#include <Arduino.h>
#define A1333_DEGREES_PER_BIT (360.0/(float)(0x7FFF))
class A1333 {
private:
int chipSelectPin;
public:
boolean begin(int csPin);
int16_t readEncoderAngle(void);
int16_t readAddress(uint16_t addr);
int16_t readEncoderAnglePipeLineRead(void);
void diagnostics(char *ptrStr) {return;};
bool getError(void) {return false;};
};
#endif /* A1333_H_ */

824
firmware_smartstepper_trikarus/stepper_nano_zero/A4954.cpp
View File

@ -1,412 +1,412 @@
/**********************************************************************
Copyright (C) 2018 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
a standard GPL open source license, or a commercial license. The standard GPL
license requires that all software statically linked with MisfitTec Code is
also distributed under the same GPL V2 license terms. Details of both license
options follow:
- Open source licensing -
MisfitTech is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V2 text is available on the gnu.org web site
- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a low cost commercial license
before incorporating MisfitTech code into proprietary software for distribution in
any form. Commercial licenses can be purchased from www.misfittech.net
and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
use MisfitTech's code unless you agree that you use the software 'as is'.
MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
implied, expressed, or statutory.
Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
please support MisfitTech and open-source hardware by purchasing
products from MisfitTech, www.misifittech.net!
*********************************************************************/
#include "A4954.h"
#include "wiring_private.h"
#include "syslog.h"
#include "angle.h"
#include "Arduino.h"
#include "sine.h"
static uint8_t pinState=0;
#pragma GCC push_options
#pragma GCC optimize ("-Ofast")
#define DAC_MAX (0x01FFL)
// Wait for synchronization of registers between the clock domains
static __inline__ void syncTCC(Tcc* TCCx) __attribute__((always_inline, unused));
static void syncTCC(Tcc* TCCx) {
//int32_t t0=1000;
while (TCCx->SYNCBUSY.reg & TCC_SYNCBUSY_MASK)
{
// t0--;
// if (t0==0)
// {
// break;
// }
// delay(1);
}
}
static inline void bridge1(int state)
{
if (state==0)
{
PORT->Group[g_APinDescription[PIN_A4954_IN1].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN1].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN1);//pinMode(PIN_A4954_IN1,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN2);//pinMode(PIN_A4954_IN2,OUTPUT);
GPIO_HIGH(PIN_A4954_IN1);// digitalWrite(PIN_A4954_IN1, HIGH);
GPIO_LOW(PIN_A4954_IN2);//digitalWrite(PIN_A4954_IN2, LOW);
//pinPeripheral(PIN_A4954_IN2, PIO_TIMER_ALT);
pinState=(pinState & 0x0C) | 0x1;
}
if (state==1)
{
PORT->Group[g_APinDescription[PIN_A4954_IN2].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN2].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN2);//pinMode(PIN_A4954_IN2,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN1);pinMode(PIN_A4954_IN1,OUTPUT);
GPIO_LOW(PIN_A4954_IN1);//digitalWrite(PIN_A4954_IN1, LOW);
GPIO_HIGH(PIN_A4954_IN2);//digitalWrite(PIN_A4954_IN2, HIGH);
//pinPeripheral(PIN_A4954_IN1, PIO_TIMER);
pinState=(pinState & 0x0C) | 0x2;
}
if (state==3)
{
GPIO_LOW(PIN_A4954_IN1);
GPIO_LOW(PIN_A4954_IN2);
//digitalWrite(PIN_A4954_IN1, LOW);
//digitalWrite(PIN_A4954_IN2, LOW);
}
}
static inline void bridge2(int state)
{
if (state==0)
{
PORT->Group[g_APinDescription[PIN_A4954_IN3].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN3].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN3); //pinMode(PIN_A4954_IN3,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN4);//pinMode(PIN_A4954_IN4,OUTPUT);
GPIO_HIGH(PIN_A4954_IN3);//digitalWrite(PIN_A4954_IN3, HIGH);
GPIO_LOW(PIN_A4954_IN4);//digitalWrite(PIN_A4954_IN4, LOW);
//pinPeripheral(PIN_A4954_IN4, PIO_TIMER_ALT);
pinState=(pinState & 0x03) | 0x4;
}
if (state==1)
{
PORT->Group[g_APinDescription[PIN_A4954_IN4].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN4].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN4);//pinMode(PIN_A4954_IN4,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN3);//pinMode(PIN_A4954_IN3,OUTPUT);
GPIO_LOW(PIN_A4954_IN3);//digitalWrite(PIN_A4954_IN3, LOW);
GPIO_HIGH(PIN_A4954_IN4);//digitalWrite(PIN_A4954_IN4, HIGH);
//pinPeripheral(PIN_A4954_IN3, PIO_TIMER_ALT);
pinState=(pinState & 0x03) | 0x8;
}
if (state==3)
{
GPIO_LOW(PIN_A4954_IN3);
GPIO_LOW(PIN_A4954_IN4);
//digitalWrite(PIN_A4954_IN3, LOW);
//digitalWrite(PIN_A4954_IN4, LOW);
}
}
static void enableTCC0(uint8_t percent)
{
#ifdef MECHADUINO_HARDWARE
return;
#else
Tcc* TCCx = TCC0 ;
uint32_t ulValue=((uint32_t)(100-percent)*480)/100;
//ERROR("Enable TCC0");
GCLK->CLKCTRL.reg = (uint16_t) (GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN_GCLK0 | GCLK_CLKCTRL_ID( GCM_TCC0_TCC1 )) ;
while ( GCLK->STATUS.bit.SYNCBUSY == 1 ) ;
//ERROR("Setting TCC %d %d",ulValue,ulPin);
TCCx->CTRLA.reg &= ~TCC_CTRLA_ENABLE;
syncTCC(TCCx);
// Set TCx as normal PWM
TCCx->WAVE.reg |= TCC_WAVE_WAVEGEN_NPWM;
syncTCC(TCCx);
// Set TCx in waveform mode Normal PWM
TCCx->CC[1].reg = (uint32_t)ulValue; //ch5 //IN3
syncTCC(TCCx);
TCCx->CC[2].reg = (uint32_t)ulValue; //ch6 //IN4
syncTCC(TCCx);
TCCx->CC[3].reg = (uint32_t)ulValue; //ch7 //IN2
syncTCC(TCCx);
TCCx->CC[1].reg = (uint32_t)ulValue; //ch1 == ch5 //IN1
syncTCC(TCCx);
// Set PER to maximum counter value (resolution : 0xFF)
TCCx->PER.reg = DAC_MAX;
syncTCC(TCCx);
// Enable TCCx
TCCx->CTRLA.reg |= TCC_CTRLA_ENABLE ;
syncTCC(TCCx);
//ERROR("Enable TCC0 DONE");
#endif
}
static void setDAC(uint32_t DAC1, uint32_t DAC2)
{
TCC1->CC[1].reg = (uint32_t)DAC1; //D9 PA07 - VREF12
syncTCC(TCC1);
TCC1->CC[0].reg = (uint32_t)DAC2; //D4 - VREF34
syncTCC(TCC1);
}
static void setupDAC(void)
{
Tcc* TCCx = TCC1 ;
pinPeripheral(PIN_A4954_VREF34, PIO_TIMER_ALT);
pinPeripheral(PIN_A4954_VREF12, PIO_TIMER);
GCLK->CLKCTRL.reg = (uint16_t) (GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN_GCLK0 | GCLK_CLKCTRL_ID( GCM_TCC0_TCC1 )) ;
while ( GCLK->STATUS.bit.SYNCBUSY == 1 ) ;
//ERROR("Setting TCC %d %d",ulValue,ulPin);
TCCx->CTRLA.reg &= ~TCC_CTRLA_ENABLE;
syncTCC(TCCx);
// Set TCx as normal PWM
TCCx->WAVE.reg |= TCC_WAVE_WAVEGEN_NPWM;
syncTCC(TCCx);
// Set TCx in waveform mode Normal PWM
TCCx->CC[1].reg = (uint32_t)0;
syncTCC(TCCx);
TCCx->CC[0].reg = (uint32_t)0;
syncTCC(TCCx);
// Set PER to maximum counter value (resolution : 0xFFF = 12 bits)
// =48e6/2^12=11kHz frequency
TCCx->PER.reg = DAC_MAX;
syncTCC(TCCx);
// Enable TCCx
TCCx->CTRLA.reg |= TCC_CTRLA_ENABLE ;
syncTCC(TCCx);
}
void A4954::begin()
{
//setup the A4954 pins
digitalWrite(PIN_A4954_IN3,LOW);
pinMode(PIN_A4954_IN3,OUTPUT);
digitalWrite(PIN_A4954_IN4,LOW);
pinMode(PIN_A4954_IN4,OUTPUT);
digitalWrite(PIN_A4954_IN2,LOW);
pinMode(PIN_A4954_IN2,OUTPUT);
digitalWrite(PIN_A4954_IN1,LOW);
pinMode(PIN_A4954_IN1,OUTPUT);
//setup the PWM for current on the A4954, set for low current
digitalWrite(PIN_A4954_VREF12,LOW);
digitalWrite(PIN_A4954_VREF34,LOW);
pinMode(PIN_A4954_VREF34, OUTPUT);
pinMode(PIN_A4954_VREF12, OUTPUT);
enabled=true;
lastStepMicros=0;
forwardRotation=true;
enableTCC0(90);
setupDAC();
//
// int i=0;
// bridge1(0);
// bridge2(0);
//while (1)
// {
// int32_t x;
// WARNING("MA %d",i);
// x=(int32_t)((int64_t)i*(DAC_MAX))/3300;
// setDAC(x,x);
// delay(1000);
// i=i+10;
// if (i>1000)
// {
// i=0;
// }
//
// }
//
// WARNING("Setting DAC for 500mA output");
// setDAC((int32_t)((int64_t)1000*(DAC_MAX))/3300,(int32_t)((int64_t)1000*(DAC_MAX))/3300);
// bridge1(0);
// bridge2(0);
// while(1)
// {
//
// }
return;
}
void A4954::limitCurrent(uint8_t percent)
{
#ifdef MECHADUINO_HARDWARE
return;
#else
//WARNING("current limit %d",percent);
enableTCC0(percent);
if (pinState & 0x01)
{
pinPeripheral(PIN_A4954_IN2, PIO_TIMER_ALT); //TCC0 WO[7]
}
if (pinState & 0x02)
{
pinPeripheral(PIN_A4954_IN1, PIO_TIMER); //TCC0 WO[1]
}
if (pinState & 0x04)
{
pinPeripheral(PIN_A4954_IN4, PIO_TIMER_ALT);
}
if (pinState & 0x08)
{
pinPeripheral(PIN_A4954_IN3, PIO_TIMER_ALT);
}
#endif
}
void A4954::enable(bool enable)
{
enabled=enable;
if (enabled == false)
{
WARNING("A4954 disabled");
setDAC(0,0); //turn current off
bridge1(3); //tri state bridge outputs
bridge2(3); //tri state bridge outputs
}
}
//this is precise move and modulo of A4954_NUM_MICROSTEPS is a full step.
// stepAngle is in A4954_NUM_MICROSTEPS units..
// The A4954 has no idea where the motor is, so the calling function has to
// to tell the A4954 what phase to drive motor coils.
// A4954_NUM_MICROSTEPS is 256 by default so stepAngle of 1024 is 360 degrees
// Note you can only move up to +/-A4954_NUM_MICROSTEPS from where you
// currently are.
int32_t A4954::move(int32_t stepAngle, uint32_t mA)
{
uint16_t angle;
int32_t cos,sin;
int32_t dacSin,dacCos;
//static int i=0;
if (enabled == false)
{
//WARNING("A4954 disabled");
setDAC(0,0); //turn current off
bridge1(3); //tri state bridge outputs
bridge2(3); //tri state bridge outputs
return stepAngle;
}
//WARNING("move %d %d",stepAngle,mA);
//handle roll overs, could do with modulo operator
stepAngle=stepAngle%SINE_STEPS;
//figure out our sine Angle
// note our SINE_STEPS is 4x of microsteps for a reason
//angle=(stepAngle+(SINE_STEPS/8)) % SINE_STEPS;
angle=(stepAngle);
//calculate the sine and cosine of our angle
sin=sine(angle);
cos=cosine(angle);
//if we are reverse swap the sign of one of the angels
if (false == forwardRotation)
{
cos=-cos;
}
//scale sine result by current(mA)
dacSin=((int32_t)mA*(int64_t)abs(sin))/SINE_MAX;
//scale cosine result by current(mA)
dacCos=((int32_t)mA*(int64_t)abs(cos))/SINE_MAX;
// if (i==0)
// {
// WARNING("dacs are %d %d",dacSin,dacCos);
// }
//convert value into DAC scaled to 3300mA max
dacCos=(int32_t)((int64_t)dacCos*(DAC_MAX))/3300;
//convert value into DAC scaled to 3300mA max
dacSin=(int32_t)((int64_t)dacSin*(DAC_MAX))/3300;
//WARNING("dacs are %d %d ",dacSin,dacCos);
setDAC(dacSin,dacCos);
if (sin>0)
{
bridge1(1);
}else
{
bridge1(0);
}
if (cos>0)
{
bridge2(1);
}else
{
bridge2(0);
}
// if (i++>3000)
// {
// i=0;
// }
// YELLOW_LED(led);
// led=(led+1) & 0x01;
lastStepMicros=micros();
return stepAngle;
}
#pragma GCC pop_options
/**********************************************************************
Copyright (C) 2018 MisfitTech LLC, All rights reserved.
MisfitTech uses a dual license model that allows the software to be used under
a standard GPL open source license, or a commercial license. The standard GPL
license requires that all software statically linked with MisfitTec Code is
also distributed under the same GPL V2 license terms. Details of both license
options follow:
- Open source licensing -
MisfitTech is a free download and may be used, modified, evaluated and
distributed without charge provided the user adheres to version two of the GNU
General Public License (GPL) and does not remove the copyright notice or this
text. The GPL V2 text is available on the gnu.org web site
- Commercial licensing -
Businesses and individuals that for commercial or other reasons cannot comply
with the terms of the GPL V2 license must obtain a low cost commercial license
before incorporating MisfitTech code into proprietary software for distribution in
any form. Commercial licenses can be purchased from www.misfittech.net
and do not require any source files to be changed.
This code is distributed in the hope that it will be useful. You cannot
use MisfitTech's code unless you agree that you use the software 'as is'.
MisfitTech's code is provided WITHOUT ANY WARRANTY; without even the implied
warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. MisfitTech LLC disclaims all conditions and terms, be they
implied, expressed, or statutory.
Written by Trampas Stern for MisfitTech.
Misfit Tech invests time and resources providing this open source code,
please support MisfitTech and open-source hardware by purchasing
products from MisfitTech, www.misifittech.net!
*********************************************************************/
#include "A4954.h"
#include "wiring_private.h"
#include "syslog.h"
#include "angle.h"
#include "Arduino.h"
#include "sine.h"
static uint8_t pinState=0;
#pragma GCC push_options
#pragma GCC optimize ("-Ofast")
#define DAC_MAX (0x01FFL)
// Wait for synchronization of registers between the clock domains
static __inline__ void syncTCC(Tcc* TCCx) __attribute__((always_inline, unused));
static void syncTCC(Tcc* TCCx) {
//int32_t t0=1000;
while (TCCx->SYNCBUSY.reg & TCC_SYNCBUSY_MASK)
{
// t0--;
// if (t0==0)
// {
// break;
// }
// delay(1);
}
}
static inline void bridge1(int state)
{
if (state==0)
{
PORT->Group[g_APinDescription[PIN_A4954_IN1].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN1].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN1);//pinMode(PIN_A4954_IN1,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN2);//pinMode(PIN_A4954_IN2,OUTPUT);
GPIO_HIGH(PIN_A4954_IN1);// digitalWrite(PIN_A4954_IN1, HIGH);
GPIO_LOW(PIN_A4954_IN2);//digitalWrite(PIN_A4954_IN2, LOW);
//pinPeripheral(PIN_A4954_IN2, PIO_TIMER_ALT);
pinState=(pinState & 0x0C) | 0x1;
}
if (state==1)
{
PORT->Group[g_APinDescription[PIN_A4954_IN2].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN2].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN2);//pinMode(PIN_A4954_IN2,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN1);pinMode(PIN_A4954_IN1,OUTPUT);
GPIO_LOW(PIN_A4954_IN1);//digitalWrite(PIN_A4954_IN1, LOW);
GPIO_HIGH(PIN_A4954_IN2);//digitalWrite(PIN_A4954_IN2, HIGH);
//pinPeripheral(PIN_A4954_IN1, PIO_TIMER);
pinState=(pinState & 0x0C) | 0x2;
}
if (state==3)
{
GPIO_LOW(PIN_A4954_IN1);
GPIO_LOW(PIN_A4954_IN2);
//digitalWrite(PIN_A4954_IN1, LOW);
//digitalWrite(PIN_A4954_IN2, LOW);
}
}
static inline void bridge2(int state)
{
if (state==0)
{
PORT->Group[g_APinDescription[PIN_A4954_IN3].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN3].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN3); //pinMode(PIN_A4954_IN3,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN4);//pinMode(PIN_A4954_IN4,OUTPUT);
GPIO_HIGH(PIN_A4954_IN3);//digitalWrite(PIN_A4954_IN3, HIGH);
GPIO_LOW(PIN_A4954_IN4);//digitalWrite(PIN_A4954_IN4, LOW);
//pinPeripheral(PIN_A4954_IN4, PIO_TIMER_ALT);
pinState=(pinState & 0x03) | 0x4;
}
if (state==1)
{
PORT->Group[g_APinDescription[PIN_A4954_IN4].ulPort].PINCFG[g_APinDescription[PIN_A4954_IN4].ulPin].bit.PMUXEN = 0;
GPIO_OUTPUT(PIN_A4954_IN4);//pinMode(PIN_A4954_IN4,OUTPUT);
GPIO_OUTPUT(PIN_A4954_IN3);//pinMode(PIN_A4954_IN3,OUTPUT);
GPIO_LOW(PIN_A4954_IN3);//digitalWrite(PIN_A4954_IN3, LOW);
GPIO_HIGH(PIN_A4954_IN4);//digitalWrite(PIN_A4954_IN4, HIGH);
//pinPeripheral(PIN_A4954_IN3, PIO_TIMER_ALT);
pinState=(pinState & 0x03) | 0x8;
}
if (state==3)
{
GPIO_LOW(PIN_A4954_IN3);
GPIO_LOW(PIN_A4954_IN4);
//digitalWrite(PIN_A4954_IN3, LOW);
//digitalWrite(PIN_A4954_IN4, LOW);
}
}
static void enableTCC0(uint8_t percent)
{
#ifdef MECHADUINO_HARDWARE
return;
#else
Tcc* TCCx = TCC0 ;
uint32_t ulValue=((uint32_t)(100-percent)*480)/100;
//ERROR("Enable TCC0");
GCLK->CLKCTRL.reg = (uint16_t) (GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN_GCLK0 | GCLK_CLKCTRL_ID( GCM_TCC0_TCC1 )) ;
while ( GCLK->STATUS.bit.SYNCBUSY == 1 ) ;
//ERROR("Setting TCC %d %d",ulValue,ulPin);
TCCx->CTRLA.reg &= ~TCC_CTRLA_ENABLE;
syncTCC(TCCx);
// Set TCx as normal PWM
TCCx->WAVE.reg |= TCC_WAVE_WAVEGEN_NPWM;
syncTCC(TCCx);
// Set TCx in waveform mode Normal PWM
TCCx->CC[1].reg = (uint32_t)ulValue; //ch5 //IN3
syncTCC(TCCx);
TCCx->CC[2].reg = (uint32_t)ulValue; //ch6 //IN4
syncTCC(TCCx);
TCCx->CC[3].reg = (uint32_t)ulValue; //ch7 //IN2
syncTCC(TCCx);
TCCx->CC[1].reg = (uint32_t)ulValue; //ch1 == ch5 //IN1
syncTCC(TCCx);
// Set PER to maximum counter value (resolution : 0xFF)
TCCx->PER.reg = DAC_MAX;
syncTCC(TCCx);
// Enable TCCx
TCCx->CTRLA.reg |= TCC_CTRLA_ENABLE ;
syncTCC(TCCx);
//ERROR("Enable TCC0 DONE");
#endif
}
static void setDAC(uint32_t DAC1, uint32_t DAC2)
{
TCC1->CC[1].reg = (uint32_t)DAC1; //D9 PA07 - VREF12
syncTCC(TCC1);
TCC1->CC[0].reg = (uint32_t)DAC2; //D4 - VREF34
syncTCC(TCC1);
}
static void setupDAC(void)
{
Tcc* TCCx = TCC1 ;
pinPeripheral(PIN_A4954_VREF34, PIO_TIMER_ALT);
pinPeripheral(PIN_A4954_VREF12, PIO_TIMER);
GCLK->CLKCTRL.reg = (uint16_t) (GCLK_CLKCTRL_CLKEN | GCLK_CLKCTRL_GEN_GCLK0 | GCLK_CLKCTRL_ID( GCM_TCC0_TCC1 )) ;
while ( GCLK->STATUS.bit.SYNCBUSY == 1 ) ;
//ERROR("Setting TCC %d %d",ulValue,ulPin);
TCCx->CTRLA.reg &= ~TCC_CTRLA_ENABLE;
syncTCC(TCCx);
// Set TCx as normal PWM
TCCx->WAVE.reg |= TCC_WAVE_WAVEGEN_NPWM;
syncTCC(TCCx);
// Set TCx in waveform mode Normal PWM
TCCx->CC[1].reg = (uint32_t)0;
syncTCC(TCCx);
TCCx->CC[0].reg = (uint32_t)0;
syncTCC(TCCx);
// Set PER to maximum counter value (resolution : 0xFFF = 12 bits)
// =48e6/2^12=11kHz frequency
TCCx->PER.reg = DAC_MAX;
syncTCC(TCCx);
// Enable TCCx
TCCx->CTRLA.reg |= TCC_CTRLA_ENABLE ;
syncTCC(TCCx);
}
void A4954::begin()
{
//setup the A4954 pins
digitalWrite(PIN_A4954_IN3,LOW);
pinMode(PIN_A4954_IN3,OUTPUT);
digitalWrite(PIN_A4954_IN4,LOW);
pinMode(PIN_A4954_IN4,OUTPUT);
digitalWrite(PIN_A4954_IN2,LOW);
pinMode(PIN_A4954_IN2,OUTPUT);
digitalWrite(PIN_A4954_IN1,LOW);
pinMode(PIN_A4954_IN1,OUTPUT);
//setup the PWM for current on the A4954, set for low current
digitalWrite(PIN_A4954_VREF12,LOW);
digitalWrite(PIN_A4954_VREF34,LOW);
pinMode(PIN_A4954_VREF34, OUTPUT);
pinMode(PIN_A4954_VREF12, OUTPUT);
enabled=true;
lastStepMicros=0;
forwardRotation=true;
enableTCC0(90);
setupDAC();
//
// int i=0;
// bridge1(0);
// bridge2(0);
//while (1)
// {
// int32_t x;
// WARNING("MA %d",i);
// x=(int32_t)((int64_t)i*(DAC_MAX))/3300;
// setDAC(x,x);
// delay(1000);
// i=i+10;
// if (i>1000)
// {
// i=0;
// }
//
// }
//
// WARNING("Setting DAC for 500mA output");
// setDAC((int32_t)((int64_t)1000*(DAC_MAX))/3300,(int32_t)((int64_t)1000*(DAC_MAX))/3300);
// bridge1(0);
// bridge2(0);
// while(1)
// {
//
// }
return;
}
void A4954::limitCurrent(uint8_t percent)
{
#ifdef MECHADUINO_HARDWARE
return;
#else
//WARNING("current limit %d",percent);
enableTCC0(percent);
if (pinState & 0x01)
{
pinPeripheral(PIN_A4954_IN2, PIO_TIMER_ALT); //TCC0 WO[7]
}
if (pinState & 0x02)
{
pinPeripheral(PIN_A4954_IN1, PIO_TIMER); //TCC0 WO[1]
}
if (pinState & 0x04)
{
pinPeripheral(PIN_A4954_IN4, PIO_TIMER_ALT);
}
if (pinState & 0x08)
{
pinPeripheral(PIN_A4954_IN3, PIO_TIMER_ALT);
}
#endif
}
void A4954::enable(bool enable)
{
enabled=enable;
if (enabled == false)
{
WARNING("A4954 disabled");
setDAC(0,0); //turn current off
bridge1(3); //tri state bridge outputs
bridge2(3); //tri state bridge outputs
}
}
//this is precise move and modulo of A4954_NUM_MICROSTEPS is a full step.
// stepAngle is in A4954_NUM_MICROSTEPS units..
// The A4954 has no idea where the motor is, so the calling function has to
// to tell the A4954 what phase to drive motor coils.
// A4954_NUM_MICROSTEPS is 256 by default so stepAngle of 1024 is 360 degrees
// Note you can only move up to +/-A4954_NUM_MICROSTEPS from where you
// currently are.
int32_t A4954::move(int32_t stepAngle, uint32_t mA)
{
uint16_t angle;
int32_t cos,sin;
int32_t dacSin,dacCos;
//static int i=0;
if (enabled == false)
{
//WARNING("A4954 disabled");
setDAC(0,0); //turn current off
bridge1(3); //tri state bridge outputs
bridge2(3); //tri state bridge outputs
return stepAngle;
}
//WARNING("move %d %d",stepAngle,mA);
//handle roll overs, could do with modulo operator
stepAngle=stepAngle%SINE_STEPS;
//figure out our sine Angle
// note our SINE_STEPS is 4x of microsteps for a reason
//angle=(stepAngle+(SINE_STEPS/8)) % SINE_STEPS;
angle=(stepAngle);
//calculate the sine and cosine of our angle
sin=sine(angle);
cos=cosine(angle);
//if we are reverse swap the sign of one of the angels
if (false == forwardRotation)
{