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hmc7043: add delay after releasing hardware reset

This commit is contained in:
Sebastien Bourdeauducq 2018-06-19 23:48:48 +08:00
parent 75b6cea52f
commit 740e6863c3
1 changed files with 3 additions and 2 deletions
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5
artiq/firmware/libboard_artiq/hmc830_7043.rs
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@ -155,7 +155,7 @@ mod hmc830 {
} }
pub mod hmc7043 { pub mod hmc7043 {
use board_misoc::csr; use board_misoc::{csr, clock};
// All frequencies assume 1.2GHz HMC830 output // All frequencies assume 1.2GHz HMC830 output
const DAC_CLK_DIV: u32 = 2; // 600MHz const DAC_CLK_DIV: u32 = 2; // 600MHz
@ -241,11 +241,12 @@ pub mod hmc7043 {
} }
pub fn enable() { pub fn enable() {
info!("enabling hmc7043"); info!("enabling HMC7043");
unsafe { unsafe {
csr::hmc7043_reset::out_write(0); csr::hmc7043_reset::out_write(0);
} }
clock::spin_us(10_000);
spi_setup(); spi_setup();
write(0x0, 0x1); // Software reset write(0x0, 0x1); // Software reset