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hmc7043: unstick SYSREF FSM (#1055) 

Troubleshooting by David.

Additionally, register 7D is broken.
Checking phase init state has to be done through another means.
This commit is contained in:
Sebastien Bourdeauducq 2018-07-11 19:07:15 +08:00
parent 88fb9ce4d6
commit 9397fa7f5a
1 changed files with 2 additions and 1 deletions
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3
artiq/firmware/libboard_artiq/hmc830_7043.rs
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@ -263,7 +263,8 @@ pub mod hmc7043 {
spi_setup();
info!("loading configuration...");
write(0xA, 0x06); // Disable the REFSYNCIN input
write(0x3, 0x14); // Disable the REFSYNCIN reseeder
write(0xA, 0x06); // Disable the REFSYNCIN input buffer
write(0xB, 0x07); // Enable the CLKIN input as LVPECL
write(0x50, 0x1f); // Disable GPO pin
write(0x9F, 0x4d); // Unexplained high-performance mode