Diff: USBDFU/USBDFU.cpp

Revision:

66:390c4a31db54

Child:

67:39396cc073f2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDFU/USBDFU.cpp	Mon Aug 29 00:47:17 2016 +0000
@@ -0,0 +1,148 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "stdint.h"
+#include "USBHAL.h"
+#include "USBDFU.h"
+
+
+USBDFU::USBDFU(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect)
+    : USBDevice(vendor_id, product_id, product_release),
+      detach(no_op)
+{
+    if (connect) {
+        USBDevice::connect();
+    }
+}
+
+void USBDFU::attach(Callback<void()> func) {
+    if (func != NULL) {
+        detach.attach(func);
+    } else {
+        detach.attach(no_op);
+    }
+}
+
+//
+//  Route callbacks from lower layers to class(es)
+//
+
+
+// Called in ISR context
+// Called by USBDevice on Endpoint0 request
+// This is used to handle extensions to standard requests
+// and class specific requests
+// Return true if class handles this request
+bool USBDFU::USBCallback_request() {
+    bool success = false;
+    CONTROL_TRANSFER * transfer = getTransferPtr();
+
+    // Process class-specific requests
+    if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
+    {
+        switch (transfer->setup.bRequest)
+        {
+            case DFU_DETACH:
+                 detach.call();
+                 success = true;
+            default:
+                break;
+        }
+    }
+
+    return success;
+}
+
+
+#define DEFAULT_CONFIGURATION (1)
+
+
+// Called in ISR context
+// Set configuration. Return false if the
+// configuration is not supported
+bool USBDFU::USBCallback_setConfiguration(uint8_t configuration) {
+    if (configuration != DEFAULT_CONFIGURATION) {
+        return false;
+    }
+
+    return true;
+}
+
+
+uint8_t * USBDFU::stringIinterfaceDesc() {
+    static uint8_t stringIinterfaceDescriptor[] = {
+        0x08,               //bLength
+        STRING_DESCRIPTOR,  //bDescriptorType 0x03
+        'D',0,'F',0,'U',0,  //bString iInterface - DFU
+    };
+    return stringIinterfaceDescriptor;
+}
+
+uint8_t * USBDFU::stringIproductDesc() {
+    static uint8_t stringIproductDescriptor[] = {
+        0x16,                                                       //bLength
+        STRING_DESCRIPTOR,                                          //bDescriptorType 0x03
+        'D',0,'F',0,'U',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - DFU device
+    };
+    return stringIproductDescriptor;
+}
+
+#define DEFAULT_CONFIGURATION (1)
+#define DFU_DESCRIPTOR_LENGTH (9)
+#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
+                               + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
+                               + (1 * DFU_DESCRIPTOR_LENGTH))
+
+#define DETACH_TIMEOUT 255
+#define DFU_TRANSFER_SIZE 1024
+
+uint8_t * USBDFU::configurationDesc() {
+    static uint8_t configurationDescriptor[] = {
+        CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
+        CONFIGURATION_DESCRIPTOR,       // bDescriptorType
+        LSB(TOTAL_DESCRIPTOR_LENGTH),   // wTotalLength (LSB)
+        MSB(TOTAL_DESCRIPTOR_LENGTH),   // wTotalLength (MSB)
+        0x01,                           // bNumInterfaces
+        DEFAULT_CONFIGURATION,          // bConfigurationValue
+        STRING_OFFSET_ICONFIGURATION,   // iConfiguration
+        C_RESERVED | C_SELF_POWERED,    // bmAttributes
+        C_POWER(0),                     // bMaxPower
+
+        INTERFACE_DESCRIPTOR_LENGTH,    // bLength
+        INTERFACE_DESCRIPTOR,           // bDescriptorType
+        0x00,                           // bInterfaceNumber
+        0x00,                           // bAlternateSetting
+        0x00,                           // bNumEndpoints
+        DFU_CLASS_APP_SPECIFIC,         // bInterfaceClass
+        DFU_SUBCLASS_DFU,               // bInterfaceSubClass
+        DFU_PROTO_RUNTIME,              // bInterfaceProtocol
+        STRING_OFFSET_IINTERFACE,       // iInterface
+
+        DFU_DESCRIPTOR_LENGTH,          // bLength
+        DFU_DESCRIPTOR,                 // bDescriptorType
+        (DFU_ATTR_WILL_DETACH           // bmAttributes
+        |DFU_ATTR_CAN_DOWNLOAD),
+        LSB(DETACH_TIMEOUT),            // wDetachTimeOut (LSB)
+        MSB(DETACH_TIMEOUT),            // wDetachTimeOut (MSB)
+        LSB(DFU_TRANSFER_SIZE),         // wTransferSize (LSB)
+        MSB(DFU_TRANSFER_SIZE),         // wTransferSize (MSB)
+        LSB(DFU_VERSION_1_00),          // bcdDFUVersion (LSB)
+        MSB(DFU_VERSION_1_00),          // bcdDFUVersion (MSB)
+    };
+    return configurationDescriptor;
+}