Suga koubou / Mbed 2 deprecated USB_CDC

Dependencies:   mbed

USBCDC.cpp@1:e5b352a3e0a9, 2011-11-09 (annotated)

Committer:
okini3939
Date:
Wed Nov 09 09:30:28 2011 +0000
Revision:
1:e5b352a3e0a9
Parent:
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#include "stdint.h"





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#include "USBCDC.h"





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#include "USBBusInterface.h"





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#include "USBDevice.h"





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void USBCDC::attach(void (*fptr)(char*, int)) {





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    cdc_evt = fptr;





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}





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USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) {





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    cdc_evt = NULL;





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}





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bool USBCDC::EPBULK_OUT_callback() {





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    uint8_t buf[64];





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    uint16_t len;





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    read(EPBULK_OUT, buf, &len, MAX_PACKET_SIZE_EPBULK);





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    if (cdc_evt) {





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        cdc_evt((char*)buf, len);





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    }





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    // We reactivate the endpoint to receive next characters





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    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);





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    return true;





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}





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bool USBCDC::USBCallback_request () {





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    bool success = false;





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    CONTROL_TRANSFER *transfer = getTransferPtr();





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//    DBG("USBCallback_request: type %x, request %x\r\n", transfer->setup.bmRequestType.Type, transfer->setup.bRequest);





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    /* Process standard requests */





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    if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE))





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    {





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        switch (transfer->setup.bRequest)





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        {





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            default:





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                break;





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        }





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    }





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    if (transfer->setup.bmRequestType.Type == CLASS_TYPE)





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    {





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        switch (transfer->setup.bRequest)





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        {





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            case 0x20: // CDC set line coding





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            case 0x22: // CDC set control line state





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            case 0x23: // CDC Alt-B





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//                DBG("val=%x idx=%x len=%x\r\n", transfer->setup.wValue, transfer->setup.wIndex, transfer->setup.wLength);





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                success = true;





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                break;





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            case 0x21: // CDC get line coding





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                static uint8_t LineConfig[] = {0x00, 0xc0, 0x01, 0x00, 0, 0, 8};





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                transfer->remaining = 7;





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                transfer->ptr = LineConfig;





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                transfer->direction = DEVICE_TO_HOST;





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                success = true;





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                break;





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            default:





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                break;





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        }





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    }





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    return success;





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}





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bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) {





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    // Called in ISR context





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    // Set configuration. Return false if the





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    // configuration is not supported.





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    if (configuration != DEFAULT_CONFIGURATION) {





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        return false;





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    }





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    addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);





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    // Configure endpoints > 0





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    addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);





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    addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);





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    // We activate the endpoint to be able to receive data





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    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);





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    return true;





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}





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uint8_t * USBCDC::stringIinterfaceDesc() {





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    static uint8_t stringIinterfaceDescriptor[] = {





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        14,                           //bLength





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        STRING_DESCRIPTOR,              //bDescriptorType 0x03





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        'C',0,'D',0,'C',0,'D',0,'E',0,'V',0   //bString iInterface - Audio





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    };





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    return stringIinterfaceDescriptor;





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}





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uint8_t * USBCDC::stringIproductDesc() {





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    static uint8_t stringIproductDescriptor[] = {





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        24,                                                       //bLength





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        STRING_DESCRIPTOR,                                          //bDescriptorType 0x03





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        'M',0,'b',0,'e',0,'d',0,' ',0,'D',0,'e',0,'v',0,'i',0,'c',0,'e',0 //bString iProduct - Mbed Audio





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    };





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    return stringIproductDescriptor;





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}





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uint8_t * USBCDC::configurationDesc() {





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    static uint8_t configDescriptor[] = {





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        // configuration descriptor





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        0x09, 0x02, 67, 0x00, 0x02, 0x01, 0x00, 0xC0, 0x32,





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        // CDC





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        // control class interface





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        0x09, 0x04, 0x00, 0x00, 0x01, 0x02, 0x02, 0x01, 0x00,





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        // header functional descriptor





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        0x05, 0x24, 0x00, 0x10, 0x01,





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        // call management functional descriptor





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        0x05, 0x24, 0x01, 0x01, 0x01,





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        // ACM functional descriptor





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        0x04, 0x24, 0x02, 0x02,





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        // union functional descriptor





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        0x05, 0x24, 0x06, 0x00, 0x01,





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        // notification EP





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        0x07, 0x05, 0x81, 0x03, 0x10, 0x00, 0x0A,





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        // data class interface descriptor





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        0x09, 0x04, 0x01, 0x00, 0x02, 0x0A, 0x00, 0x00, 0x00,





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        // data EP OUT





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        0x07, 0x05, 0x02, 0x02, 0x40, 0x00, 0x00,





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        // data EP IN





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        0x07, 0x05, 0x82, 0x02, 0x40, 0x00, 0x00,





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    };





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    return configDescriptor;





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}





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uint8_t * USBCDC::deviceDesc() {





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    static uint8_t deviceDescriptor[] = {





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        DEVICE_DESCRIPTOR_LENGTH,       /* bLength */





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        DEVICE_DESCRIPTOR,              /* bDescriptorType */





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        LSB(0x01),           /* bcdUSB (LSB) */





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        MSB(0x01),           /* bcdUSB (MSB) */





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        0x02,                           /* bDeviceClass */





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        0x00,                           /* bDeviceSubClass */





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        0x00,                           /* bDeviceprotocol */





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        MAX_PACKET_SIZE_EP0,            /* bMaxPacketSize0 */





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        LSB(VENDOR_ID),                 /* idVendor (LSB) */





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        MSB(VENDOR_ID),                 /* idVendor (MSB) */





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        LSB(PRODUCT_ID),                /* idProduct (LSB) */





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        MSB(PRODUCT_ID),                /* idProduct (MSB) */





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        LSB(PRODUCT_RELEASE),           /* bcdDevice (LSB) */





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        MSB(PRODUCT_RELEASE),           /* bcdDevice (MSB) */





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        STRING_OFFSET_IMANUFACTURER,    /* iManufacturer */





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        STRING_OFFSET_IPRODUCT,         /* iProduct */





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        STRING_OFFSET_ISERIAL,          /* iSerialNumber */





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        0x01                            /* bNumConfigurations */





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    };





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    return deviceDescriptor;





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}