File content as of revision 0:c1e89c49eae5:

/* 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 "USBSerial.h"

int USBSerial::_putc(int c) {
    send((uint8_t *)&c, 1);
    return 1;
}

int USBSerial::_getc() {
    uint8_t c;
    while (buf.isEmpty());
    buf.dequeue(&c);
    return c;
}


bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) {
    if(size > MAX_PACKET_SIZE_EPBULK) {
        return false;
    }
    if(!send(buf, size)) {
        return false;
    }
    return true;
}



bool USBSerial::EP2_OUT_callback() {
    uint8_t c[65];
    uint32_t size = 0;

    //we read the packet received and put it on the circular buffer
    readEP(c, &size);
    for (int i = 0; i < size; i++) {
        buf.queue(c[i]);
    }

    //call a potential handler
    rx.call();

    // We reactivate the endpoint to receive next characters
    readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
    return true;
}

uint8_t USBSerial::available() {
    return buf.available();
}

void USBSerial::setCallbackConfig (void(*ptr)(uint32_t)){
        fptr_cfg =  ptr;
    }

uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08};
//uint8_t cdc_line_coding[7]= {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08};
uint32_t baud;
#define CDC_SET_LINE_CODING        0x20
#define CDC_GET_LINE_CODING        0x21
#define CDC_SET_CONTROL_LINE_STATE 0x22

bool USBSerial::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 CDC_GET_LINE_CODING:
                transfer->remaining = 7;
                transfer->ptr = cdc_line_coding;
                transfer->direction = DEVICE_TO_HOST;
                success = true;
                break;
            case CDC_SET_LINE_CODING:
                for (int i = 0; i < 7 ; i++) {cdc_line_coding[i] = *(transfer->ptr+i);}
                transfer->remaining = 7;
                baud = *(uint32_t*)cdc_line_coding;
                if (fptr_cfg != NULL)(*fptr_cfg)(baud);
                success = true;
                break;
            case CDC_SET_CONTROL_LINE_STATE:
                success = true;
                break;
            default:
                break;
        }
    }

    return success;
}
/*
void USBSerial::suspendStateChanged(unsigned int suspended)
{
    usb_state = suspended;
}

unsigned int USBSerial::GetUSBState (void){
    return usb_state;
}
*/