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Found 3 results

  1. Here is some code to drive ws281x strips using DMA driven SPI for the msp430f5529. I hadn't seen any example code showing how to use DMA and SPI. The example also provides some code that shows how to use inline asm that will work with both msp430-gcc and msp430-elf-gcc. The code below was tested with a ws2811 strip and msp430-elf-gcc. https://gist.github.com/RickKimball/9761b8f5a89d46a53939 -rick
  2. Using the FRAM as though it were RAM on the msp430fr59xx chips can make it really easy to drive those ws281x chips even at a relatively slow MCU clock rate. The ws281x chips are great because you can get a boat load of leds for the cost of only one pin. Also, it doesn't hurt the price of these ws281x chips keeps falling and making them more and more attractive. I decided to see if I could take advantage of FRAM to help me drive some of those leds. I ended up with an extremely simple driver routine that works great even when you clock the FRAM MCU @ 6MHz. You couldn't really do this on a RA
  3. So now that that CCS 6 includes a "released" msp430-elf-gcc, I thought I'd share my ultra small c-runtime startup code as an exported CCS project. This will be useful to those who want to use the free msp430-elf-gcc with the smaller chips like an msp430g2231. Also, it is an exercise to see if I can share exported CCS project files that will be usable in Windows even though I'm using CCS v6 on linux. Just download the attached zip file and then use the "Import Project" button on the "Getting Started" page in CCS. It should import the zip file into a new project in your workspace called "
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