add usb wakeup support, all keys up on bad data, and resend for parity errors

1 files changed, 18 insertions, 3 deletions

diff --git a/app/keyboard.c b/app/keyboard.c
index d35f466..f780ccc 100644
--- a/app/keyboard.c
+++ b/app/keyboard.c
@@ -127,19 +127,23 @@ keyboard_send (uint8_t modifiers, uint8_t * key_list)
     key_list[4], key_list[5], 0
   };
 
-  usbd_ep_write_packet (usbd_dev, KEYBOARD_EP, buf, sizeof (buf));
+  if (!usb_is_suspended)
+  	usbd_ep_write_packet (usbd_dev, KEYBOARD_EP, buf, sizeof (buf));
 }
 
+static uint8_t modifiers;
+static uint8_t key_list[KEY_LIST_LEN];
+
 void
 keyboard_dispatch (int sc, int updown)
 {
-  static uint8_t modifiers;
-  static uint8_t key_list[KEY_LIST_LEN];
   int i;
 
 /*Windows needs the modifiers spliting out, so we do this as per our
  * descriptor, others need them in the list so we do that as well */
 
+  usb_wakeup_host();
+
   switch (sc)
     {
     case USB_K_SC_LEFTCTRL:
@@ -156,6 +160,7 @@ keyboard_dispatch (int sc, int updown)
         modifiers &= ~(1 << (sc - USB_K_SC_LEFTCTRL));
       break;
     default:
+
 /* Some oses are picky and need these not to move about  so we make 
  * a list of the down keys */
 
@@ -195,6 +200,16 @@ keyboard_dispatch (int sc, int updown)
 
 }
 
+void
+keyboard_error (void)
+{
+  modifiers = 0;
+  memset (key_list, 0, sizeof (key_list));
+  keyboard_send (modifiers, key_list);
+}
+
+
+
 int
 keyboard_control_request (usbd_device * usbd_dev, struct usb_setup_data *req,
                           uint8_t ** buf, uint16_t * len,