CDCTxService Function

Microchip USB Device Library

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USB Device Library Help

void CDCTxService();

Description

CDCTxService handles device-to-host transaction(s). This function should be called once per Main Program loop after the device reaches the configured state.

Typical Usage:

Copy Code

void main(void)
{
    USBDeviceInit();
    while(1)
    {
        USBDeviceTasks();
        if((USBGetDeviceState() < CONFIGURED_STATE) ||
           (USBIsDeviceSuspended() == TRUE))
        {
            //Either the device is not configured or we are suspended
            //  so we don't want to do execute any application code
            continue;   //go back to the top of the while loop
        }
        else
        {
            //Keep trying to send data to the PC as required
            CDCTxService();

            //Run application code.
            UserApplication();
        }
    }
}

Preconditions

None

Remarks

None

MCHPFSUSB Device Library > Function Drivers > Communication Device Class (CDC) > Public API Members > Functions and Macros > CDCTxService Function

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