forked from M-Labs/artiq
libboard/si5324: configure I2C mux on Sayma
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341e809859
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9caef3c1d3
@ -8,10 +8,10 @@ type Result<T> = result::Result<T, &'static str>;
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const BUSNO: u8 = 0;
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const ADDRESS: u8 = 0x68;
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#[cfg(soc_platform = "kc705")]
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fn pca9548_select(channel: u8) -> Result<()> {
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#[cfg(any(soc_platform = "sayma_amc", soc_platform = "kc705"))]
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fn pca9548_select(address: u8, channel: u8) -> Result<()> {
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i2c::start(BUSNO).unwrap();
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if !i2c::write(BUSNO, (0x74 << 1)).unwrap() {
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if !i2c::write(BUSNO, (address << 1)).unwrap() {
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return Err("PCA9548 failed to ack write address")
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}
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if !i2c::write(BUSNO, 1 << channel).unwrap() {
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@ -161,7 +161,9 @@ pub fn setup(settings: &FrequencySettings) -> Result<()> {
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clock::spin_us(10_000);
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#[cfg(soc_platform = "kc705")]
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pca9548_select(7)?;
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pca9548_select(0x74, 7)?;
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#[cfg(soc_platform = "sayma_amc")]
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pca9548_select(0x70, 4)?;
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if ident()? != 0x0182 {
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return Err("Si5324 does not have expected product number");
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