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RP2040-code/Function Generator
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Tony edd63d3ed9 Mechanism for output level control 2023-06-18 15:00:47 +01:00
..
Images Improved DAC mechanism 2023-04-29 16:08:21 +01:00
CMakeLists.txt Improved DAC mechanism 2023-04-29 16:08:21 +01:00
DAC.pio Improved DAC mechanism 2023-04-29 16:08:21 +01:00
FunctionGenerator.cpp Mechanism for output level control 2023-06-18 15:00:47 +01:00
README.md Update README.md 2023-05-06 14:52:55 +01:00
blink.pio Second DMA channel 2023-03-27 16:58:28 +01:00

README.md

Function Generator on a RP2040.

  • TBD:

    • Port the clock code from here

  • Features:

    • Direct Digital Synthesis (DDS) Function Generator
    • Dual 8 bit R-2-R Digital to Analog converter
    • Target device = Pimoroni PGA2040 (header can be modified to use Pico)
    • External, 3 digit, SPI display
    • Independant control of either channel through Putty terminal session
    • Putty terminal session over USB port

Two independanty controled, phase locked, DMA channels...

Hardware

Early version of hardware running single channel 150Hz Sine wave + 3rd harmonic on a vintage oscilloscope...

Hardware