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-rw-r--r--minadbd/transport_usb.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/minadbd/transport_usb.c b/minadbd/transport_usb.c
new file mode 100644
index 000000000..ee6b637b5
--- /dev/null
+++ b/minadbd/transport_usb.c
@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <sysdeps.h>
+
+#define TRACE_TAG TRACE_TRANSPORT
+#include "adb.h"
+
+#if ADB_HOST
+#include "usb_vendors.h"
+#endif
+
+#ifdef HAVE_BIG_ENDIAN
+#define H4(x) (((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24)
+static inline void fix_endians(apacket *p)
+{
+ p->msg.command = H4(p->msg.command);
+ p->msg.arg0 = H4(p->msg.arg0);
+ p->msg.arg1 = H4(p->msg.arg1);
+ p->msg.data_length = H4(p->msg.data_length);
+ p->msg.data_check = H4(p->msg.data_check);
+ p->msg.magic = H4(p->msg.magic);
+}
+unsigned host_to_le32(unsigned n)
+{
+ return H4(n);
+}
+#else
+#define fix_endians(p) do {} while (0)
+unsigned host_to_le32(unsigned n)
+{
+ return n;
+}
+#endif
+
+static int remote_read(apacket *p, atransport *t)
+{
+ if(usb_read(t->usb, &p->msg, sizeof(amessage))){
+ D("remote usb: read terminated (message)\n");
+ return -1;
+ }
+
+ fix_endians(p);
+
+ if(check_header(p)) {
+ D("remote usb: check_header failed\n");
+ return -1;
+ }
+
+ if(p->msg.data_length) {
+ if(usb_read(t->usb, p->data, p->msg.data_length)){
+ D("remote usb: terminated (data)\n");
+ return -1;
+ }
+ }
+
+ if(check_data(p)) {
+ D("remote usb: check_data failed\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int remote_write(apacket *p, atransport *t)
+{
+ unsigned size = p->msg.data_length;
+
+ fix_endians(p);
+
+ if(usb_write(t->usb, &p->msg, sizeof(amessage))) {
+ D("remote usb: 1 - write terminated\n");
+ return -1;
+ }
+ if(p->msg.data_length == 0) return 0;
+ if(usb_write(t->usb, &p->data, size)) {
+ D("remote usb: 2 - write terminated\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static void remote_close(atransport *t)
+{
+ usb_close(t->usb);
+ t->usb = 0;
+}
+
+static void remote_kick(atransport *t)
+{
+ usb_kick(t->usb);
+}
+
+void init_usb_transport(atransport *t, usb_handle *h, int state)
+{
+ D("transport: usb\n");
+ t->close = remote_close;
+ t->kick = remote_kick;
+ t->read_from_remote = remote_read;
+ t->write_to_remote = remote_write;
+ t->sync_token = 1;
+ t->connection_state = state;
+ t->type = kTransportUsb;
+ t->usb = h;
+
+#if ADB_HOST
+ HOST = 1;
+#else
+ HOST = 0;
+#endif
+}
+
+#if ADB_HOST
+int is_adb_interface(int vid, int pid, int usb_class, int usb_subclass, int usb_protocol)
+{
+ unsigned i;
+ for (i = 0; i < vendorIdCount; i++) {
+ if (vid == vendorIds[i]) {
+ if (usb_class == ADB_CLASS && usb_subclass == ADB_SUBCLASS &&
+ usb_protocol == ADB_PROTOCOL) {
+ return 1;
+ }
+
+ return 0;
+ }
+ }
+
+ return 0;
+}
+#endif