mirror of https://github.com/m-labs/artiq.git
hmc830_7043: enable_fpga_ibuf -> unmute
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@ -361,15 +361,14 @@ pub mod hmc7043 {
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Ok(())
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}
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pub fn enable_fpga_ibuf() {
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pub fn unmute() {
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/*
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* Never missing an opportunity to be awful, the HMC7043 produces broadband noise
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* prior to intialization, which can upset the FPGA.
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* One mitigation technique is to disable the input buffer until the HMC7043 is
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* slightly better behaved.
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* prior to intialization, which can upset the AMC FPGA.
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* External circuitry mutes it.
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*/
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unsafe {
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csr::ad9154_crg::ibuf_disable_write(0);
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csr::hmc7043_out_en::out_write(1);
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}
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}
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@ -416,7 +415,7 @@ pub fn init() -> Result<(), &'static str> {
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hmc7043::init();
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hmc7043::test_gpo()?;
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hmc7043::check_phased()?;
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hmc7043::enable_fpga_ibuf();
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hmc7043::unmute();
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Ok(())
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}
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