Exemplo n.º 1
0
/*
 * Aborts an active send operation on interface intfNum.
 * Returns the number of bytes that were sent prior to the abort, in size.
 */
uint8_t USBPHDC_abortSend (uint16_t* size, uint8_t intfNum)
{
    uint8_t edbIndex;
    uint16_t state;

    edbIndex = stUsbHandle[intfNum].edb_Index;
    state = usbDisableInEndpointInterrupt(edbIndex);

    *size =
        (PHDCWriteCtrl[INTFNUM_OFFSET(intfNum)].nPHDCBytesToSend -
         PHDCWriteCtrl[INTFNUM_OFFSET(intfNum)].nPHDCBytesToSendLeft);
    PHDCWriteCtrl[INTFNUM_OFFSET(intfNum)].nPHDCBytesToSend = 0;
    PHDCWriteCtrl[INTFNUM_OFFSET(intfNum)].nPHDCBytesToSendLeft = 0;

    usbRestoreInEndpointInterrupt(state);
    return (USB_SUCCEED);
}
Exemplo n.º 2
0
/*
 * Aborts an active send operation on interface intfNum.
 * Returns the number of bytes that were sent prior to the abort, in size.
 */
BYTE USBCDC_abortSend (WORD* size, BYTE intfNum)
{
    BYTE edbIndex;
    WORD state;

    edbIndex = stUsbHandle[intfNum].edb_Index;

    state = usbDisableInEndpointInterrupt(edbIndex);                                                         //disable interrupts - atomic operation

    *size =
        (CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSend -
         CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSendLeft);
    CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSend = 0;
    CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSendLeft = 0;

    usbRestoreInEndpointInterrupt(state);
    return (kUSB_succeed);
}
Exemplo n.º 3
0
uint8_t USBCDC_abortSend (uint16_t* size, uint8_t intfNum)
{
    uint8_t edbIndex;
    uint16_t state;

    edbIndex = stUsbHandle[intfNum].edb_Index;

    state = usbDisableInEndpointInterrupt(edbIndex);                                                         //disable interrupts - atomic operation

    *size =
        (CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSend -
         CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSendLeft);
    CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSend = 0;
    CdcWriteCtrl[INTFNUM_OFFSET(intfNum)].nCdcBytesToSendLeft = 0;

    usbRestoreInEndpointInterrupt(state);
    return (USB_SUCCEED);
}
Exemplo n.º 4
0
/*
 * Aborts an active send operation on interface intfNum.
 * Returns the number of bytes that were sent prior to the abort, in size.
 */
BYTE USBHID_abortSend (WORD* size, BYTE intfNum)
{
    BYTE edbIndex;
    WORD state;

    edbIndex = stUsbHandle[intfNum].edb_Index;

    state = usbDisableInEndpointInterrupt(edbIndex);

    *size =
        (HidWriteCtrl[INTFNUM_OFFSET(intfNum)].nHidBytesToSend -
         HidWriteCtrl[INTFNUM_OFFSET(intfNum)].nHidBytesToSendLeft);
    HidWriteCtrl[INTFNUM_OFFSET(intfNum)].nHidBytesToSend = 0;
    HidWriteCtrl[INTFNUM_OFFSET(intfNum)].nHidBytesToSendLeft = 0;

    usbRestoreInEndpointInterrupt(state);
    return (kUSB_succeed);
}