From fb45c6c269bb1440fdf8750bed875dfe973ca8bb Mon Sep 17 00:00:00 2001
From: Brian Cully <bjc@kublai.com>
Date: Tue, 30 Jul 2019 14:13:17 -0400
Subject: Only make three attempts to get the keyboard report.

I'm tired of the spam, and three should be enough.
---
 usbh/src/device.rs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'usbh/src')

diff --git a/usbh/src/device.rs b/usbh/src/device.rs
index e77c9ea..aaf82d1 100644
--- a/usbh/src/device.rs
+++ b/usbh/src/device.rs
@@ -34,6 +34,7 @@ enum FSM {
     WaitForSettle(usize),
     GetConfigDescriptor,
     SetConfig,
+    GetReport(usize),
     Steady,
 }
 
@@ -239,10 +240,14 @@ impl Device {
                 )?;
                 debug!(" -- report set: {}", rep_res);
 
-                self.state = FSM::Steady
+                self.state = FSM::GetReport(3)
             }
 
-            FSM::Steady => {
+            FSM::GetReport(0) => self.state = FSM::Steady,
+
+            FSM::GetReport(count) => {
+                info!("+++ getting report {}", count);
+
                 // For now, just do an IN transfer to see if we can
                 // get some keyboard reports without further setup.
 
@@ -261,7 +266,11 @@ impl Device {
                 //let mut pipe = pipe_table.pipe_for(host, self.addr, 2);
                 //pipe.regs.cfg.write(|w| unsafe { w.ptype().bits(0x4) });
                 //self.read_report(&mut pipe, 2);
+
+                self.state = FSM::GetReport(count - 1)
             }
+
+            FSM::Steady => {}
         }
         Ok(())
     }
-- 
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