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satman: check for JESD ready

This commit is contained in:
Sebastien Bourdeauducq 2019-10-06 23:10:08 +08:00
parent 90e3b83e80
commit ebd5d890f1
1 changed files with 9 additions and 0 deletions
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9
artiq/firmware/satman/main.rs
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@ -421,11 +421,20 @@ fn init_jdcgs() {
for dacno in 0..csr::JDCG.len() { for dacno in 0..csr::JDCG.len() {
let dacno = dacno as u8; let dacno = dacno as u8;
info!("DAC-{} initializing...", dacno); info!("DAC-{} initializing...", dacno);
board_artiq::jdcg::jesd_enable(dacno, false); board_artiq::jdcg::jesd_enable(dacno, false);
board_artiq::jdcg::jesd_prbs(dacno, false); board_artiq::jdcg::jesd_prbs(dacno, false);
board_artiq::jdcg::jesd_stpl(dacno, false); board_artiq::jdcg::jesd_stpl(dacno, false);
clock::spin_us(10000); clock::spin_us(10000);
board_artiq::jdcg::jesd_enable(dacno, true); board_artiq::jdcg::jesd_enable(dacno, true);
let t = clock::get_ms();
while !board_artiq::jdcg::jesd_ready(dacno) {
if clock::get_ms() > t + 200 {
error!("JESD ready timeout");
break;
}
}
if let Err(e) = drtioaux::send(1, &drtioaux::Packet::JdacSetupRequest { if let Err(e) = drtioaux::send(1, &drtioaux::Packet::JdacSetupRequest {
destination: 0, destination: 0,
dacno: dacno dacno: dacno