Jack Shao
USB device stack
Fork of
USBDevice
by 
mbed official
Diff: USBSerial/USBCDC.cpp
- Revision:
- 8:335f2506f422
- Parent:
- 6:d0945750af57
- Child:
- 11:eeb3cbbaa996
--- a/USBSerial/USBCDC.cpp Mon Jan 21 10:41:28 2013 +0000
+++ b/USBSerial/USBCDC.cpp Fri Mar 01 13:10:29 2013 +0000
@@ -56,8 +56,7 @@
terminal_connected = true;
break;
case CDC_SET_CONTROL_LINE_STATE:
- if (terminal_connected)
- terminal_connected = false;
+ terminal_connected = false;
success = true;
break;
default:
@@ -147,12 +146,13 @@
}
-#define CONFIG1_DESC_SIZE (9+9+5+5+4+5+7+9+7+7)
+#define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7)
uint8_t * USBCDC::configurationDesc() {
static uint8_t configDescriptor[] = {
- 9, // bLength;
- 2, // bDescriptorType;
+ // configuration descriptor
+ 9, // bLength
+ 2, // bDescriptorType
LSB(CONFIG1_DESC_SIZE), // wTotalLength
MSB(CONFIG1_DESC_SIZE),
2, // bNumInterfaces
@@ -160,6 +160,16 @@
0, // iConfiguration
0x80, // bmAttributes
50, // bMaxPower
+
+ // IAD to associate the two CDC interfaces
+ 0x08, // bLength
+ 0x0b, // bDescriptorType
+ 0x00, // bFirstInterface
+ 0x02, // bInterfaceCount
+ 0x02, // bFunctionClass
+ 0x02, // bFunctionSubClass
+ 0, // bFunctionProtocol
+ 0, // iFunction
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
@@ -211,33 +221,33 @@
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
- 9, // bLength
- 4, // bDescriptorType
- 1, // bInterfaceNumber
- 0, // bAlternateSetting
- 2, // bNumEndpoints
- 0x0A, // bInterfaceClass
- 0x00, // bInterfaceSubClass
- 0x00, // bInterfaceProtocol
- 0, // iInterface
+ 9, // bLength
+ 4, // bDescriptorType
+ 1, // bInterfaceNumber
+ 0, // bAlternateSetting
+ 2, // bNumEndpoints
+ 0x0A, // bInterfaceClass
+ 0x00, // bInterfaceSubClass
+ 0x00, // bInterfaceProtocol
+ 0, // iInterface
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- PHY_TO_DESC(EPBULK_IN), // bEndpointAddress
- 0x02, // bmAttributes (0x02=bulk)
- LSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (LSB)
- MSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (MSB)
- 0, // bInterval
+ ENDPOINT_DESCRIPTOR_LENGTH, // bLength
+ ENDPOINT_DESCRIPTOR, // bDescriptorType
+ PHY_TO_DESC(EPBULK_IN), // bEndpointAddress
+ E_BULK, // bmAttributes (0x02=bulk)
+ LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
+ MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
+ 0, // bInterval
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
- 7, // bLength
- 5, // bDescriptorType
- PHY_TO_DESC(EPBULK_OUT),// bEndpointAddress
- 0x02, // bmAttributes (0x02=bulk)
- LSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (LSB)
- MSB(MAX_PACKET_SIZE_EPBULK), // wMaxPacketSize (MSB)
- 0 // bInterval
+ ENDPOINT_DESCRIPTOR_LENGTH, // bLength
+ ENDPOINT_DESCRIPTOR, // bDescriptorType
+ PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress
+ E_BULK, // bmAttributes (0x02=bulk)
+ LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
+ MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
+ 0 // bInterval
};
return configDescriptor;
}