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firmware: read back reserved bits from Si5324, use SFOUT2_REG=b001 instead of reserved b000

This commit is contained in:
Sebastien Bourdeauducq 2017-02-03 12:24:13 +08:00
parent f6e9d571c2
commit 6fe1c9ff45
1 changed files with 8 additions and 8 deletions
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16
artiq/firmware/libboard/si5324.rs
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@ -145,12 +145,12 @@ pub fn setup_hitless_clock_switching(settings: &FrequencySettings) -> Result<()>
return Err("Si5324 does not have expected product number");
}
write(0, 0b01010100)?; // FREE_RUN=1
write(1, 0b11100100)?; // CK_PRIOR2=1 CK_PRIOR1=0
write(2, 0b0010 | (4 << 4))?; // BWSEL=4
write(3, 0b0101 | 0x10)?; // SQ_ICAL=1
write(4, 0b10010010)?; // AUTOSEL_REG=b10
write(6, 0x07)?; // SFOUT1_REG=b111
write(0, read(0)? | 0x40)?; // FREE_RUN=1
write(1, (read(1)? & 0xf0) | 0b0100)?; // CK_PRIOR2=1 CK_PRIOR1=0
write(2, (read(2)? & 0x0f) | (4 << 4))?; // BWSEL=4
write(3, read(3)? | 0x10)?; // SQ_ICAL=1
write(4, (read(4)? & 0x3f) | (0b10 << 6))?; // AUTOSEL_REG=b10
write(6, (read(6)? & 0xc0) | 0b001111)?; // SFOUT2_REG=b001 SFOUT1_REG=b111
write(25, (s.n1_hs << 5 ) as u8)?;
write(31, (s.nc1_ls >> 16) as u8)?;
write(32, (s.nc1_ls >> 8 ) as u8)?;
@ -164,8 +164,8 @@ pub fn setup_hitless_clock_switching(settings: &FrequencySettings) -> Result<()>
write(46, (s.n32 >> 16) as u8)?;
write(47, (s.n32 >> 8) as u8)?;
write(48, (s.n32) as u8)?;
write(137, 0x01)?; // FASTLOCK=1
write(136, 0x40)?; // ICAL=1
write(137, read(137)? | 0x01)?; // FASTLOCK=1
write(136, read(136)? | 0x40)?; // ICAL=1
let t = clock::get_ms();
while !locked()? {