test adding config get. doesn't work.

1 files changed, 17 insertions, 1 deletions

diff --git a/app/src/usb.rs b/app/src/usb.rs
index c15e1b5..acb4457 100644
--- a/app/src/usb.rs
+++ b/app/src/usb.rs
@@ -1,7 +1,7 @@
 mod pipe;
 mod usbproto;
 
-use crate::{log, logln, logln_now, rtc};
+use crate::{log, log_now, logln, logln_now, rtc};
 use pipe::{DataBuf, PipeErr, PipeTable, USBPipeType, USBToken};
 use rb::{Reader, RingBuffer, Writer};
 use usbproto::*;
@@ -430,6 +430,22 @@ impl USBHost {
         let until = rtc::millis() + 300;
         while rtc::millis() < until {}
 
+        logln_now!("getting config");
+        let tmp: USBConfigurationDescriptor = Default::default();
+        //let vol_descr = ::vcell::VolatileCell::new(tmp);
+        self.control_req(
+            new_address,
+            0,
+            BMRequestType::get_descr(),
+            USBRequest::GetConfiguration,
+            WValue::from((0, 0)),
+            0,
+            Some(DataBuf::from(&tmp)),
+        )?;
+
+        //let desc = vol_descr.get();
+        logln_now!("cdesc.len: {}", tmp.b_length);
+
         // Once addressed, SET_CONFIGURATION(0)
         logln_now!("+++ setting configuration");
         let conf: u8 = 0;