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Showing content with the highest reputation on 11/07/2010 in Posts

  1. this is my entry to the Nov-2010 project contest, in this thread http://www.43oh.com/forum/viewtopic.php?p=1148#p1148 brief description this is a simple rf spectrum analyzer project based on TI Launchpad. i have been working on other rf transceiver projects and in need of a simple rf spectrum analyzer to help me visualize what's happening. a RFM12B module is used to capture signal strengths of different frequencies. the RFM12B utilizes a SPI interface to communicate to a MCU. a software SPI is implemented in this project for simplicity. the Launchpad firmware basically receiv
    1 point
  2. A few errors, but no worries,I'll walk you through. Before I go ahead,welcome to the Forums! Do not use ";" for defines, so get rid of those. Your project will compile fine after you do that. Always use parenthesis when you are evaluating more that one math expressions. Its proper technique and will save quite a few headaches later on. This is not an error, but good coding practice. So the above line will become: P1DIR |= (LEDRED + LEDGREEN); Next point: You are trying to turn both LEDs on. What you are doing is bit manipulation. You actually "or"the two fields not
    1 point
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