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sq7bti avatar sq7bti commented on August 11, 2024

Expansion of functionality is through inheritance. What you need to do is just place AccelStepper and iAccelStepper library in their folders in the libraries folder, like this

[bash]$ ls sketchbook/libraries/{,i}AccelStepper
sketchbook/libraries/AccelStepper:
AccelStepper.cpp  AccelStepper.h  AccelStepper.h.save  doc  examples  keywords.txt  LICENSE  Makefile  MANIFEST  project.cfg

sketchbook/libraries/iAccelStepper:
AccelStepper.patch  iAccelStepper.cpp  iAccelStepper.h  keywords.txt  LICENSE  README.md

User added libraries are located in the same ${SKETCH_FOLDER} can be checked in the preference file ~/.energia/preferences.txt.

sketchbook.path=/home/simon/src/emb/ti/sketchbook

Energia would find libraries in the folders:

sketchbook.path=/home/simon/src/emb/ti/sketchbook/libraries

In the compiler output I can see that you still do not have your AccelStepper.h modified to expose necessary members to a inherited object. You can either apply provided patch or manually edit .h file

I hope that helps.

s.

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5shekel avatar 5shekel commented on August 11, 2024

thank you for the explanation.
ill test asap

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5shekel avatar 5shekel commented on August 11, 2024

im still having problems.

  • both AccelStepper and iAccelStepper in my library folder
  • applied patch manually on version 1.45 (1.39 failed as well)
    i testes against the proportional control sketch

#include <iAccelStepper.h>
#include <AccelStepper.h>

// Define a stepper and the pins it will use
AccelStepper stepper(AccelStepper::DRIVER, 3 ,4); // Defaults to AccelStepper::FULL4WIRE (4 pins) on 2, 3, 4, 5

// This defines the analog input pin for reading the control voltage
// Tested with a 10k linear pot between 5v and GND
#define ANALOG_IN A0

void setup()
{  
  stepper.setMaxSpeed(1000);
}

void loop()
{
  // Read new position
  int analog_in = analogRead(ANALOG_IN);
  stepper.moveTo(analog_in);
  stepper.setSpeed(100);
  stepper.runSpeedToPosition();
}


[/opt/energia/hardware/tools/lm4f/bin/arm-none-eabi-g++, -c, -g, -Os, -w, -fno-rtti, -fno-exceptions, -ffunction-sections, -fdata-sections, -mthumb, -mcpu=cortex-m4, -mfloat-abi=hard, -mfpu=fpv4-sp-d16, -fsingle-precision-constant, -DF_CPU=120000000L, -MMD, -DARDUINO=101, -DENERGIA=12, -I/opt/energia/hardware/lm4f/cores/lm4f, -I/opt/energia/hardware/lm4f/variants/launchpad_129, -I/opt/energia/hardware/lm4f/libraries/iAccelStepper, -I/opt/energia/hardware/lm4f/libraries/AccelStepper, /tmp/build8455673332897300192.tmp/ProportionalControl.cpp, -o, /tmp/build8455673332897300192.tmp/ProportionalControl.cpp.o]
ProportionalControl.pde:15:27: error: no matching function for call to 'AccelStepper::AccelStepper(int, int, int)'
ProportionalControl.pde:15:27: note: candidates are:
In file included from /opt/energia/hardware/lm4f/libraries/iAccelStepper/iAccelStepper.h:5:0,
                 from ProportionalControl.pde:11:
/opt/energia/hardware/lm4f/libraries/AccelStepper/AccelStepper.h:308:5: note: AccelStepper::AccelStepper(void (*)(), void (*)())
/opt/energia/hardware/lm4f/libraries/AccelStepper/AccelStepper.h:308:5: note:   candidate expects 2 arguments, 3 provided
In file included from /opt/energia/hardware/lm4f/libraries/iAccelStepper/iAccelStepper.h:5:0,
                 from ProportionalControl.pde:11:
/opt/energia/hardware/lm4f/libraries/AccelStepper/AccelStepper.h:298:5: note: AccelStepper::AccelStepper()
/opt/energia/hardware/lm4f/libraries/AccelStepper/AccelStepper.h:298:5: note:   candidate expects 0 arguments, 3 provided
/opt/energia/hardware/lm4f/libraries/AccelStepper/AccelStepper.h:251:7: note: AccelStepper::AccelStepper(const AccelStepper&)
/opt/energia/hardware/lm4f/libraries/AccelStepper/AccelStepper.h:251:7: note:   candidate expects 1 argument, 3 provided

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sq7bti avatar sq7bti commented on August 11, 2024

That looks like new problems.

You need to declare the iAccelStepper to make use of the inherited type, instead of AccelStepper.

I observed that, at least under Energia, it must be declared with a default constructor (empty list of arguments), and instead "configured" with a .begin() method in the body of setup() function. That's why in the patch you should see that the original constructor is renamed to a begin method:

-AccelStepper::AccelStepper(uint8_t interface, uint8_t pin1, uint8_t pin2, uint8_t pin3, uint8_t pin4, bool enable)
+void AccelStepper::begin(uint8_t interface, uint8_t pin1, uint8_t pin2, uint8_t pin3, uint8_t pin4, bool enable)

Further the arguments of iAccelStepper::begin() is different than AccelStepper::begin()

  void begin(uint8_t STEP = 2, uint8_t DIR = 3, uint8_t ENABLE = 4);

The driver type is fixed to an equivalent of DRIVER in AccelStepper. Implementation of other drivers (e.g. FULL4WIRE or HALF4WIRE) should be quite simple.

I still see that the headers files (AccelStepper.h and iAccelStepper.h) are located in the Energia system folder, instead of sketches/libraries folder (like /home/user/folder/where/you/keep/your/sketch_projects/libraries). Are you sure you modified the correct .h file?

Another remark: this driver does not require to call the .run() (or .runSpeed() to be precise) as frequent as possible. The execution is taken care by the driver itself by assigning the ISR. What is needed to run is just to call the method .more() or .moveTo(). Further for a simple test, the constant speed is not necessary. In loop() one need just set the target position:

#include <iAccelStepper.h>
#include <AccelStepper.h>

// Define a stepper and the pins it will use
iAccelStepper stepper;

// This defines the analog input pin for reading the control voltage
// Tested with a 10k linear pot between 5v and GND
#define ANALOG_IN A0

void setup()
{  
  stepper.begin(3 ,4);
}

void loop()
{
  // Read new position
  int analog_in = analogRead(ANALOG_IN);
  stepper.moveTo(analog_in);
}

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5shekel avatar 5shekel commented on August 11, 2024

ok, some progress.

i successfully compiled your attached example for the STELLARIS board .
but it seems not to support the TIVA (TM4C129) board which is the one i used.

thanks so much for your detailed help.

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sq7bti avatar sq7bti commented on August 11, 2024

Indeed I am using it for Stellaris launchpad (TM4C123GH6PM). Try adding another chip in the lines #13 and #29

#if defined(PART_TM4C1233H6PM) || defined(PART_LM4F120H5QR) || defined(PART_TM4C129XNCZAD)

s.

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5shekel avatar 5shekel commented on August 11, 2024

ill try, where did you get the part ID, i looked for that one...
oh, i see https://github.com/energia/Energia/blob/master/hardware/lm4f/cores/lm4f/Energia.h

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sq7bti avatar sq7bti commented on August 11, 2024

Can you confirm if suggested modification (see comment 61448560) works on your test setup?

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5shekel avatar 5shekel commented on August 11, 2024

sorry a shorted that board :(

On Fri, Jan 9, 2015 at 2:31 PM, sq7bti [email protected] wrote:

Can you confirm if suggested modification (see comment 61448560) works on
your test setup?

—
Reply to this email directly or view it on GitHub
#1 (comment).

yair99@gmail
050-6301212
tlv, israel

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sq7bti avatar sq7bti commented on August 11, 2024

oop confirmed solution

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