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Bug & Fix in Crystalfontz128x128_ST7735.c (MSPWare)


we are running a class on microcontroller technology using MSP432 launchpads and EDU MKII boosterpacks.

During a programming project we found a bug in the display driver, which is used an several examples using the


File: Crystalfontz128x128_ST7735.c

In method Crystalfontz128x128_PixelDrawMultiple(..), line 262 reads


and should be replaced by


Without this fix we sometimes get strange behaviour using the drawImage() method.

Is this the propper way to report bugs? Is there maybe a GIT repository where we

could push a branch in case we find more bugs?

Best regards,


  • Hi Andreas,

    I'm trying to find the right contact to loop in for Educational Boosterpack Mk II code, and will get back to you. Thanks for pointing out this issue!

  • Hi Andreas,

    Thanks for using the MSP432 LaunchPad and reporting this bug!
    E2E forum is definitely the right place to report software bugs like this LCD driver issue you found.

    I've filed a bug in our internal bug tracker regarding this driver function, and it should be fixed in the next LaunchPad software release.

    Best Regards,
    Eric C

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