Diff: USBHost/USBHostGamepad.cpp

Revision:

0:b5f79b4f741d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHostGamepad.cpp	Tue Mar 15 11:39:04 2016 +0000
@@ -0,0 +1,119 @@
+/*
+ * mbed USBHost Gamepad driver sample
+ * Copyright (c) 2014 Yuuichi Akagawa
+ *
+ * modified from mbed USBHostMouse
+ *
+ * mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * 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 "USBHostGamepad.h"
+//#if USBHOST_GAMEPAD
+
+USBHostGamepad::USBHostGamepad() {
+    host = USBHost::getHostInst();
+    init();
+}
+
+void USBHostGamepad::init() {
+    dev = NULL;
+    int_in = NULL;
+    dev_connected = false;
+    gamepad_device_found = false;
+    gamepad_intf = -1;
+}
+
+bool USBHostGamepad::connected() {
+    return dev_connected;
+}
+
+bool USBHostGamepad::connect() {
+    if (dev_connected) {
+        return true;
+    }
+
+    for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+        if ((dev = host->getDevice(i)) != NULL) {
+
+            if(host->enumerate(dev, this))
+                break;
+
+            if (gamepad_device_found) {
+
+                int_in = dev->getEndpoint(gamepad_intf, INTERRUPT_ENDPOINT, IN);
+                if (!int_in)
+                    break;
+
+                USB_INFO("New Gamepad/Joystick device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, gamepad_intf);
+#if DEBUG > 3
+                //Parse HID Report Descriptor
+                parseHidDescr();
+#endif
+                dev->setName("Gamepad", gamepad_intf);
+                host->registerDriver(dev, gamepad_intf, this, &USBHostGamepad::init);
+
+                int_in->attach(this, &USBHostGamepad::rxHandler);
+                rxSize = int_in->getSize();
+                if (rxSize > sizeof(report))
+                    rxSize = sizeof(report);
+                host->interruptRead(dev, int_in, report, rxSize, false);
+
+                dev_connected = true;
+                return true;
+            }
+        }
+    }
+    init();
+    return false;
+}
+
+void USBHostGamepad::rxHandler() {
+    if (dev)
+        host->interruptRead(dev, int_in, report, rxSize, false);
+        
+    /* modified 2016 Racoon */
+        
+}
+
+/*virtual*/ void USBHostGamepad::setVidPid(uint16_t vid, uint16_t pid)
+{
+    // we don't check VID/PID for gamepad driver
+}
+
+/*virtual*/ bool USBHostGamepad::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
+{
+    if ((gamepad_intf == -1) &&
+        (intf_class == HID_CLASS) &&
+        (intf_subclass == 0x00) &&
+        (intf_protocol == 0x00)) {
+        gamepad_intf = intf_nb;
+        return true;
+    }
+    return false;
+}
+
+/*virtual*/ bool USBHostGamepad::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+    if (intf_nb == gamepad_intf) {
+        if (type == INTERRUPT_ENDPOINT && dir == IN) {
+            gamepad_device_found = true;
+            return true;
+        }
+    }
+    return false;
+}
+
+