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leave bread crumb about the upgrade to HS usb

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bunnie 2025-08-10 16:08:44 +08:00
parent 1c15828391
commit 1a9b4e48ef
1 changed files with 9 additions and 0 deletions
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9
libs/cramium-hal/src/usb/driver.rs
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@ -294,6 +294,14 @@ pub struct Uicr {
}
const CRG_UDC_CFG0_MAXSPEED_FS: u32 = 1;
// surprisingly, just swapping this constant in "sort of works"
// some to-do around figuring out why the protocol breaks, could
// just be signal integrity because too many connectors, but very
// likely this is also an inability to handle the longer packet
// sizes mandated by the HS protocol.
//
// leave as a warning so we have this as a TODO.
const CRG_UDC_CFG0_MAXSPEED_HS: u32 = 3;
pub const CRG_UDC_ERDPLO_EHB: u32 = 1 << 3;
@ -1169,6 +1177,7 @@ impl CorigineUsb {
// wait for reset to finish
}
// TODO: ugprade this to HS
self.csr.wo(DEVCONFIG, 0x80 | CRG_UDC_CFG0_MAXSPEED_FS);
self.csr.wo(