Diff: USBHostHID/USBHostSteamController.cpp

Revision:

8:e57ccb876952

Child:

9:6bbea1ccc9f8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHID/USBHostSteamController.cpp	Sat Aug 19 19:47:53 2017 +0000
@@ -0,0 +1,198 @@
+/* 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 "USBHostSteamController.h"
+
+#if USBHOST_STEAM
+
+USBHostSteamController::USBHostSteamController() {
+    host = USBHost::getHostInst();
+    init();
+}
+
+void USBHostSteamController::init() {
+    dev = NULL;
+    int_in = NULL;
+    onUpdate = NULL;
+    onButtonUpdate = NULL;
+    onXUpdate = NULL;
+    onYUpdate = NULL;
+    onZUpdate = NULL;
+    report_id = 0;
+    dev_connected = false;
+    mouse_device_found = false;
+    mouse_intf = -1;
+
+    buttons = 0;
+    x = 0;
+    y = 0;
+    z = 0;
+    
+    right_pad_x = 0;
+    right_pad_y = 0;
+}
+
+bool USBHostSteamController::connected() {
+    return dev_connected;
+}
+
+bool USBHostSteamController::connect()
+{
+    int len_listen;
+
+    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 (mouse_device_found) {
+                {
+                    /* As this is done in a specific thread
+                     * this lock is taken to avoid to process the device
+                     * disconnect in usb process during the device registering */
+                    USBHost::Lock  Lock(host);
+                    int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
+                    if (!int_in)
+                        break;
+
+                    USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
+                    dev->setName("Mouse", mouse_intf);
+                    host->registerDriver(dev, mouse_intf, this, &USBHostSteamController::init);
+
+                    int_in->attach(this, &USBHostSteamController::rxHandler);
+                    len_listen = int_in->getSize();
+                    if (len_listen > sizeof(report)) {
+                        len_listen = sizeof(report);
+                    }
+                }
+                int ret=host->interruptRead(dev, int_in, report, len_listen, false);
+                MBED_ASSERT((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING) || (ret == USB_TYPE_FREE));
+                if ((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING))
+                    dev_connected = true;
+                if (ret == USB_TYPE_FREE)
+                    dev_connected = false;
+                return true;
+            }
+        }
+    }
+    init();
+    return false;
+}
+
+void USBHostSteamController::rxHandler() {
+    int len_listen = int_in->getLengthTransferred();
+    int buttons_t, x_t, y_t, z_t;
+    {
+        int index;
+        for (index=0;index < len_listen; index++)
+        {
+            printf("%2x ",report[index]);
+        }
+        
+        if (index>0) printf("  %x:%x \r\n",dev->getVid(), dev->getPid());
+    }
+    
+    if (report[2] != 1)
+    {
+        return;
+    }
+    
+    // We really should be parsing the pid report but this is a good workaround 
+    // for my wireless mouse for now!
+
+    buttons_t = report[8] + (report[9] << 8) + (report[10] << 16); // << 4;
+    x_t = report[17]; // report[16] lsb
+    y_t = report[19]; // report[18] lsb
+    
+    z_t = 0; //report[4];
+
+    right_pad_x = (report[21] << 8) + report[20];
+    right_pad_y = (report[23] << 8) + report[22];
+
+    if (len_listen !=0) {
+
+        if (onUpdate) {
+            (*onUpdate)(buttons_t, x_t, y_t, right_pad_x, right_pad_y);
+        }
+
+        if (onButtonUpdate && (buttons != (report[0]))) {
+            (*onButtonUpdate)(report[0]);
+        }
+
+        if (onXUpdate && (x != report[1])) {
+            (*onXUpdate)(x_t);
+        }
+
+        if (onYUpdate && (y != report[2])) {
+            (*onYUpdate)(y_t);
+        }
+
+        if (onZUpdate && (z != report[3])) {
+            (*onZUpdate)(z_t);
+        }
+
+        // update mouse state
+        buttons = buttons_t;
+        x = x_t;
+        y = y_t;
+        z = z_t;
+    }
+    /*  set again the maximum value */
+    len_listen = int_in->getSize();
+
+    if (len_listen > sizeof(report)) {
+        len_listen = sizeof(report);
+    }
+
+    if (dev)
+        host->interruptRead(dev, int_in, report, len_listen, false);
+}
+
+/*virtual*/ void USBHostSteamController::setVidPid(uint16_t vid, uint16_t pid)
+{
+    // we don't check VID/PID for mouse driver
+}
+
+/*virtual*/ bool USBHostSteamController::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
+{
+    //printf("intf_class %x intf_subclass %x intf_protocol %x\r\n", intf_class,intf_subclass, intf_protocol);
+    
+    if ((mouse_intf == -1) &&
+        (intf_class == HID_CLASS) &&
+        (intf_subclass == 0x00) &&
+        (intf_protocol == 0x00)) {
+        mouse_intf = intf_nb;
+        return true;
+    }
+    return false;
+}
+
+/*virtual*/ bool USBHostSteamController::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+    if (intf_nb == mouse_intf) {
+        if (type == INTERRUPT_ENDPOINT && dir == IN) {
+            mouse_device_found = true;
+            return true;
+        }
+    }
+    return false;
+}
+
+#endif