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Stepper brick firmware size


greijsmuis
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Hi all,

 

I would like to tinker around with the stepper brick. Im familiar with C programming of MCU.

 

I would like to hook up an SPI angular sensor to the stepper brick. My question is: How much free space is available in the brick for custom firmware? I guess the bootloader takes some space, the standard firmware is 55 kb, how much is left for development?

 

Best regards,

 

JW

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The microcontroller on the Stepper Brick has 128 kB flash memory. The bootloader is not stored in this flash memory. But there are 4 kB flash reserved at the end of the flash memory for each of the two Bricklets.

 

So there is currently 128 kB - 55 kB - 2 * 4 kB = 65 kB of free flash memory.

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  • 3 months later...

Hi all,

 

I'm planning to develop an application with the stepperbrick. I need to make a few modifications to the source code to read out an I2C sensor. I know my way around compilers/git/c code but I do run into some trouble just following the steps from firmware upgrades:

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