Changeset cac458f in mainline for uspace/srv/hid/input/proto/adb.c

Timestamp:

2011-06-22T01:59:39Z (15 years ago)

Author:

Petr Koupy <petr.koupy@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

41e2118

Parents:

79506d6 (diff), f1fae414 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge libposix changes.

File:

• uspace/srv/hid/input/proto/adb.c (moved) (moved from uspace/lib/c/include/devmap_obsolete.h ) (2 diffs)

uspace/srv/hid/input/proto/adb.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2009 Jiri Svoboda
+ * Copyright (c) 2011 Martin Decky
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-/** @addtogroup libc
+/** @addtogroup mouse_proto
+ * @ingroup input
  * @{
  */
-/** @file
+/**
+ * @file
+ * @brief ADB protocol driver.
  */
 
-#ifndef LIBC_DEVMAP_OBSOLETE_H_
-#define LIBC_DEVMAP_OBSOLETE_H_
+#include <bool.h>
+#include <mouse.h>
+#include <mouse_port.h>
+#include <mouse_proto.h>
 
-#include <ipc/devmap.h>
-#include <async.h>
-#include <bool.h>
+static mouse_dev_t *mouse_dev;
+static bool b1_pressed;
+static bool b2_pressed;
 
-extern int devmap_obsolete_get_phone(devmap_interface_t, unsigned int);
-extern void devmap_obsolete_hangup_phone(devmap_interface_t iface);
+static int adb_proto_init(mouse_dev_t *mdev)
+{
+        mouse_dev = mdev;
+        b1_pressed = false;
+        b2_pressed = false;
+        
+        return 0;
+}
 
-extern int devmap_obsolete_device_connect(devmap_handle_t, unsigned int);
+/** Process mouse data */
+static void adb_proto_parse(sysarg_t data)
+{
+        bool b1, b2;
+        uint16_t udx, udy;
+        int dx, dy;
+        
+        /* Extract fields. */
+        b1 = ((data >> 15) & 1) == 0;
+        udy = (data >> 8) & 0x7f;
+        b2 = ((data >> 7) & 1) == 0;
+        udx = data & 0x7f;
+        
+        /* Decode 7-bit two's complement signed values. */
+        dx = (udx & 0x40) ? (udx - 0x80) : udx;
+        dy = (udy & 0x40) ? (udy - 0x80) : udy;
+        
+        if (b1 != b1_pressed) {
+                mouse_push_event_button(mouse_dev, 1, b1);
+                b1_pressed = b1;
+        }
+        
+        if (b2 != b2_pressed) {
+                mouse_push_event_button(mouse_dev, 2, b2);
+                b1_pressed = b1;
+        }
+        
+        if (dx != 0 || dy != 0)
+                mouse_push_event_move(mouse_dev, dx, dy);
+}
 
-#endif
+mouse_proto_ops_t adb_proto = {
+        .parse = adb_proto_parse,
+        .init = adb_proto_init
+};
 
-/** @}
+/**
+ * @}
  */