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greijsmuis

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  1. 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: When I checkout the 2.0.3 stepper code with the bricklib library in src and run all the cmake scripts with the 2013.05 compiler everything goes well, until I try to upload the Image to the stepperbrick and brick (no pun intended) the stepperbrick. A quick check with md5sum shows that my compiled .bin file is different from the one available on the site. When I upload the binary from the site the viewer recognizes the stepper brick and all is well again: except I am not able to develop an application. My question is: Anyone else ran into these kind of trouble? And on what platform/compiler etc is the binary from the site compiled? I am currently on Windows 8 but I'm able to switch to Ubuntu/whatever. Thanks in advance for the info!
  2. 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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