Accessing GPIO on the fpga

Applications, development tools, FPGA, C, WEB
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8lu3
Posts: 30
Joined: Thu Feb 25, 2016 7:05 pm

Accessing GPIO on the fpga

Post by 8lu3 » Thu Aug 03, 2017 11:42 pm

Hello,
I want add some features to the fpga-image ('classic'). I.a I want to access the led-, exp_n-, exp_p-pins. Therefore I passed the gpio-object (from red_pitaya_top.sv) to my module which then sets the value of gpio.o[some index]. Unfortunately, this leads to the following design error

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[DRC MDRV-1] Multiple Driver Nets: Net i_mod/B9 has multiple drivers: ps/system_i/processing_system7/inst/PS7_i/EMIOGPIOO[15], i_mod/d_out.o_reg[15]/Q.
, where mod is my module which has the argument

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gpio_if d_out
How should one manipulate the led,.. pins instead?

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