Hello, I'm trying making a sine wave generator using the DAC MCP4921 via SPI, i wrote my code #include <SPI.h> const int sine[24]={14336,14865,15359,15783,16109,16313,16383,16313,16109,15783,15359,14865,14336,13806,13312,12888,12562,12358,12288,12358,12562,12888,13312,13806}; const int slaveSel…

sine wave using SPI

nickgammon November 1, 2012, 6:47am 15

dhenry:
It takes about 100 instructions to send a byte via software spi.

What is this software SPI? And what code are you quoting?

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