Renesas CPU Board M3A-HS19 Instrukcja Użytkownika Pobierz pdf (Strona 23)

SH7285/SH7286 USB Function Module

USB to Serial Conversion Application Note

REJ05B1152-0100/Rev.1.00 May 2008 Page 23 of 35

/* Configuration Descriptor */

/* Configuration Descriptor informations , Data length = 67Byte */

unsigned char configurationItem[] = {

/* Configuration Descriptor */

0x09, /* 0:bLength */

0x02, /* 1:bDescriptorType */

0x43, /* 2:wTotalLength(L) */ /* 43'h (=67) */

0x00, /* 3:wTotalLength(H) */

0x02, /* 4:bNumInterfaces */

0x01, /* 5:bConfigurationValue */

0x00, /* 6:iConfiguration */

0xC0, /* 7:bmAttributes */ /* self powered */

0x10, /* 8:MAXPower */

/* Interface Descriptor 1-0-0 [Communication Class] */

0x09, /* 0:bLength */

0x04, /* 1:bDescriptor */

0x00, /* 2:bInterfaceNumber */

0x00, /* 3:bAlternateSetting */

0x01, /* 4:bNumEndpoints */ /* support INT IN (= EP3) */

0x02, /* 5:bInterfaceClass */ /* Communication Interface Class */

0x02, /* 6:bInterfaceSubClass */ /* Abstruct Control Model */

0x01, /* 7:bInterfaceProtocol */ /* Common AT commands */

0x00, /* 8:iInterface */

/* Class-Specific Configuration Descriptors */

/* Header Functional Descriptor */

0x05, /* 0:length of this desc. */

0x24, /* 1:CS_INTERFACE */

0x00, /* 2:Header Functional Descr. */

0x10, /* 3:bcdCDC Rel. 1.10 */

0x01, /* 4:bcdCDC Rel. 1.10 */

/* Abstract Control Management Functional Descriptor */

0x04, /* 0:length of this desc. */

0x24, /* 1:CS_INTERFACE */

0x02, /* 2:Abstr.Contr.Managm. F.D. */

0x06, /* 3:bmCapabilities */ /* support Send Break, Set Line Coding,

Set Control Line State, Get Line Coding */

/* Union Functional Descriptor */

0x05, /* 0:length of this desc. */

0x24, /* 1:CS_INTERFACE */

0x06, /* 2:Union Functional Descr. */

0x00, /* 3:bMasterInterface */

0x01, /* 4:bSlaveInterface0 */

/* Call Management Functional Descriptor */

0x05, /* 0:length of this desc. */

0x24, /* 1:CS_INTERFACE */

0x01, /* 2:Call Managment F.D. */

0x03, /* 3:bmCapabilities */

0x01, /* 4:bDataInterface */

/* Endpoint Descriptor 1-0-0-0 */

0x07, /* 0:bLength */

0x05, /* 1:bDescriptorType */

0x83, /* 2:bEndpointAddress */ /* IN, number = 3 */

0x03, /* 3:bmAttribute */

0x08, /* 4:wMAXPacketSize_lo */

0x00, /* 5:wMAXPacketSize_hi */

0x10, /* 6:bInterval */

Figure 3.3 Configuration Descriptor Sample (1/2)

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 34 35

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