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added description of the 'cpld' which contains the cpld test design

T. Meissner 6 years ago
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@@ -15,3 +15,6 @@ h3. Test FW:
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 The folder "avr":https://github.com/tmeissner/usb-avr-cpld/tree/master/avr contains a avr-gcc project with test routines for the Atmega88 controller.
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 It checks for the interfaces to the other devices. At the moment, a simply uart loop to the FT232RL
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 is implemented.
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+The folder "cpld":https://github.com/tmeissner/usb-avr-cpld/tree/master/cpld contains a xilinx ise / ghdl project with test design for the CPLD.
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+It checks for the interfaces to the other devices. At the moment, putting a simple "10101" pattern on the gpio pins is implemented.