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slave_fpga: disable cclk and din drive when done 

to guard against accidental contention (old rtm gateware
but #813 rework done)
This commit is contained in:
Robert Jördens 2018-06-13 16:26:13 +00:00
parent 1029ac870b
commit f385add8b1
1 changed files with 1 additions and 0 deletions
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artiq/firmware/libboard_artiq/slave_fpga.rs
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@ -81,6 +81,7 @@ pub fn load() -> Result<(), &'static str> {
} }
shift_u8(0xff); // "Compensate for Special Startup Conditions" shift_u8(0xff); // "Compensate for Special Startup Conditions"
csr::slave_fpga_cfg::out_write(PROGRAM_B_BIT); csr::slave_fpga_cfg::out_write(PROGRAM_B_BIT);
csr::slave_fpga_cfg::oe_write(PROGRAM_B_BIT);
} }
Ok(()) Ok(())