CDCDSerial.c

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/* ---------------------------------------------------------------------------- */
/*                  Atmel Microcontroller Software Support                      */
/*                       SAM Software Package License                           */
/* ---------------------------------------------------------------------------- */
/* Copyright (c) 2015, Atmel Corporation                                        */
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/*------------------------------------------------------------------------------
 *         Headers
 *------------------------------------------------------------------------------*/

#include "CDCDSerial.h"

#include <USBLib_Trace.h>
#include <USBDDriver.h>
#include <USBD_HAL.h>

/*------------------------------------------------------------------------------
 *         Types
 *------------------------------------------------------------------------------*/

/*------------------------------------------------------------------------------
 *         Internal variables
 *------------------------------------------------------------------------------*/

static CDCDSerialPort cdcdSerial;

/*------------------------------------------------------------------------------
 *         Internal functions
 *------------------------------------------------------------------------------*/

static uint32_t CDCDSerial_EventHandler(uint32_t event,
                                                                                uint32_t param)
{
        switch (event) {
        case CDCDSerialPortEvent_SETCONTROLLINESTATE: {
                if ((void *)CDCDSerial_ControlLineStateChanged != NULL) {
                        CDCDSerial_ControlLineStateChanged(
                                (param & CDCControlLineState_DTR) > 0,
                                (param & CDCControlLineState_RTS) > 0);
                }
        }
        break;

        case CDCDSerialPortEvent_SETLINECODING: {
                if (NULL != (void *)CDCDSerial_LineCodingIsToChange) {
                        event = CDCDSerial_LineCodingIsToChange(
                                                (CDCLineCoding *)param);

                        if (event != USBRC_SUCCESS)
                                return event;
                }
        }
        break;

        default:
                return USBRC_SUCCESS;
        }

        return USBRC_SUCCESS;
}

/*------------------------------------------------------------------------------
 *         Exported functions
 *------------------------------------------------------------------------------*/

void CDCDSerial_Initialize(
        USBDDriver *pUsbd, uint8_t bInterfaceNb)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        TRACE_INFO("CDCDSerial_Initialize\n\r");

        /* Initialize serial port function */
        CDCDSerialPort_Initialize(
                pCdcd, pUsbd,
                (CDCDSerialPortEventHandler)CDCDSerial_EventHandler,
                0,
                bInterfaceNb, 2);
}

void CDCDSerial_ConfigureFunction(USBGenericDescriptor *pDescriptors,
                                                                  uint16_t wLength)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        CDCDSerialPort_ParseInterfaces(pCdcd,
                                                                   (USBGenericDescriptor *)pDescriptors,
                                                                   wLength);
}

uint32_t CDCDSerial_RequestHandler(const USBGenericRequest *request)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        TRACE_INFO_WP("Cdcf ");
        return CDCDSerialPort_RequestHandler(pCdcd, request);
}

uint32_t CDCDSerial_Read(void *data,
                                                 uint32_t size,
                                                 TransferCallback callback,
                                                 void *argument)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        return CDCDSerialPort_Read(pCdcd, data, size, callback, argument);
}

uint32_t CDCDSerial_Write(void *data,
                                                  uint32_t size,
                                                  TransferCallback callback,
                                                  void *argument)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        return CDCDSerialPort_Write(pCdcd, data, size, callback, argument);
}

uint8_t CDCDSerial_GetControlLineState(void)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        return CDCDSerialPort_GetControlLineState(pCdcd);
}

void CDCDSerial_GetLineCoding(CDCLineCoding *pLineCoding)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        CDCDSerialPort_GetLineCoding(pCdcd, pLineCoding);
}

uint16_t CDCDSerial_GetSerialState(void)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        return CDCDSerialPort_GetSerialState(pCdcd);
}

void CDCDSerial_SetSerialState(uint16_t serialState)
{
        CDCDSerialPort *pCdcd = &cdcdSerial;

        CDCDSerialPort_SetSerialState(pCdcd, serialState);
}