1 /* ----------------------------------------------------------------------------
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2 * ATMEL Microcontroller Software Support
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3 * ----------------------------------------------------------------------------
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4 * Copyright (c) 2010, Atmel Corporation
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6 * All rights reserved.
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are met:
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11 * - Redistributions of source code must retain the above copyright notice,
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12 * this list of conditions and the disclaimer below.
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14 * Atmel's name may not be used to endorse or promote products derived from
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15 * this software without specific prior written permission.
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17 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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20 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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27 * ----------------------------------------------------------------------------
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31 * Definition of a class for implementing a USB device
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32 * CDC serial port function.
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35 #ifndef _CDCDSERIALPORT_H_
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36 #define _CDCDSERIALPORT_H_
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38 /*------------------------------------------------------------------------------
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40 *------------------------------------------------------------------------------*/
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42 /* These headers were introduced in C99
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43 by working group ISO/IEC JTC1/SC22/WG14. */
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46 #include <USBRequests.h>
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47 #include <CDCRequests.h>
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48 #include <CDCNotifications.h>
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50 #include <USBDDriver.h>
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51 /** \addtogroup usbd_cdc
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55 /*------------------------------------------------------------------------------
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57 *------------------------------------------------------------------------------*/
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59 /** \addtogroup usbd_cdc_serial_desc USB Device Serial Port Descriptor Values
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62 /** Default CDC interrupt endpoints max packat size (8). */
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63 #define CDCDSerialPort_INTERRUPT_MAXPACKETSIZE 8
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64 /** Default CDC interrupt endpoint polling rate of High Speed (16ms). */
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65 #define CDCDSerialPort_INTERRUPT_INTERVAL_HS 8
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66 /** Default CDC interrupt endpoint polling rate of Full Speed (16ms). */
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67 #define CDCDSerialPort_INTERRUPT_INTERVAL_FS 16
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68 /** Default CDC bulk endpoints max packat size (512, for HS actually). */
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69 #define CDCDSerialPort_BULK_MAXPACKETSIZE_HS 512
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70 /** Default CDC bulk endpoints max packat size (64, for FS actually). */
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71 #define CDCDSerialPort_BULK_MAXPACKETSIZE_FS 64
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74 /** \addtogroup usbd_cdc_serial_events USB Device Serial Port Events
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77 /** SetControlLineState event, value is changed */
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78 #define CDCDSerialPortEvent_SETCONTROLLINESTATE 0
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79 /** SetLineCoding event, value is to changed according to return value */
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80 #define CDCDSerialPortEvent_SETLINECODING 1
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83 /*------------------------------------------------------------------------------
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85 *------------------------------------------------------------------------------*/
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87 /** Callback function for serial port events */
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88 typedef uint32_t (*CDCDSerialPortEventHandler)(uint32_t dwEvent,
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93 * Struct for USB CDC virtual COM serial port function.
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95 typedef struct _CDCDSerialPort {
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96 /** USB Driver for the %device */
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98 /** Callback for serial port events */
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99 CDCDSerialPortEventHandler fEventHandler;
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100 /** Callback arguments */
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102 /** USB starting interface index */
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103 uint8_t bInterfaceNdx;
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104 /** USB number of interfaces */
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105 uint8_t bNumInterface;
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106 /** USB interrupt IN endpoint address */
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107 uint8_t bIntInPIPE;
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108 /** USB bulk IN endpoint address */
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109 uint8_t bBulkInPIPE;
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110 /** USB bulk OUT endpoint address */
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111 uint8_t bBulkOutPIPE;
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113 /** Serial port ControlLineState */
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114 uint8_t bControlLineState;
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115 /** Serial port SerialState */
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116 uint16_t wSerialState;
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117 /** Serial port linecoding */
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118 CDCLineCoding lineCoding;
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123 /*------------------------------------------------------------------------------
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125 *------------------------------------------------------------------------------*/
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127 extern void CDCDSerialPort_Initialize(CDCDSerialPort *pCdcd,
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129 CDCDSerialPortEventHandler fCallback,
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131 uint8_t firstInterface,
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132 uint8_t numInterface);
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134 extern USBGenericDescriptor * CDCDSerialPort_ParseInterfaces(
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135 CDCDSerialPort * pCdcd,
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136 USBGenericDescriptor * pDescriptors, uint32_t dwLength);
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138 extern uint32_t CDCDSerialPort_RequestHandler(
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139 CDCDSerialPort *pCdcd,
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140 const USBGenericRequest *pRequest);
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142 extern uint32_t CDCDSerialPort_Write(
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143 const CDCDSerialPort *pCdcd,
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144 void *pData, uint32_t dwSize,
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145 TransferCallback fCallback, void* pArg);
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147 extern uint32_t CDCDSerialPort_Read(
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148 const CDCDSerialPort *pCdcd,
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149 void *pData, uint32_t dwSize,
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150 TransferCallback fCallback, void* pArg);
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152 extern uint16_t CDCDSerialPort_GetSerialState(
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153 const CDCDSerialPort *pCdcd);
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155 extern void CDCDSerialPort_SetSerialState(
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156 CDCDSerialPort *pCdcd,
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157 uint16_t wSerialState);
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159 extern uint8_t CDCDSerialPort_GetControlLineState(
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160 const CDCDSerialPort * pCdcd);
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162 extern void CDCDSerialPort_GetLineCoding(
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163 const CDCDSerialPort * pCdcd,
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164 CDCLineCoding * pLineCoding);
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167 #endif /* #ifndef _CDCDSERIALPORT_H_ */
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