core/usbcdc/usbuser.c

   1 /*----------------------------------------------------------------------------
   2  *      U S B  -  K e r n e l
   3  *----------------------------------------------------------------------------
   4  * Name:    usbuser.c
   5  * Purpose: USB Custom User Module
   6  * Version: V1.20
   7  *----------------------------------------------------------------------------
   8  *      This software is supplied "AS IS" without any warranties, express,
   9  *      implied or statutory, including but not limited to the implied
  10  *      warranties of fitness for purpose, satisfactory quality and
  11  *      noninfringement. Keil extends you a royalty-free right to reproduce
  12  *      and distribute executable files created using this software for use
  13  *      on NXP Semiconductors LPC microcontroller devices only. Nothing else
  14  *      gives you the right to use this software.
  15  *
  16  * Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
  17  *---------------------------------------------------------------------------*/
  18 #include "projectconfig.h"
  19
  20 #include "usb.h"
  21 #include "usbcfg.h"
  22 #include "usbhw.h"
  23 #include "usbcore.h"
  24 #include "usbuser.h"
  25 #include "cdcuser.h"
  26
  27
  28 /*
  29  *  USB Power Event Callback
  30  *   Called automatically on USB Power Event
  31  *    Parameter:       power: On(TRUE)/Off(FALSE)
  32  */
  33
  34 #if USB_POWER_EVENT
  35 void USB_Power_Event (uint32_t  power) {
  36 }
  37 #endif
  38
  39
  40 /*
  41  *  USB Reset Event Callback
  42  *   Called automatically on USB Reset Event
  43  */
  44
  45 #if USB_RESET_EVENT
  46 void USB_Reset_Event (void) {
  47   USB_ResetCore();
  48 }
  49 #endif
  50
  51
  52 /*
  53  *  USB Suspend Event Callback
  54  *   Called automatically on USB Suspend Event
  55  */
  56
  57 #if USB_SUSPEND_EVENT
  58 void USB_Suspend_Event (void) {
  59 }
  60 #endif
  61
  62
  63 /*
  64  *  USB Resume Event Callback
  65  *   Called automatically on USB Resume Event
  66  */
  67
  68 #if USB_RESUME_EVENT
  69 void USB_Resume_Event (void) {
  70 }
  71 #endif
  72
  73
  74 /*
  75  *  USB Remote Wakeup Event Callback
  76  *   Called automatically on USB Remote Wakeup Event
  77  */
  78
  79 #if USB_WAKEUP_EVENT
  80 void USB_WakeUp_Event (void) {
  81 }
  82 #endif
  83
  84
  85 /*
  86  *  USB Start of Frame Event Callback
  87  *   Called automatically on USB Start of Frame Event
  88  */
  89
  90 #if USB_SOF_EVENT
  91 void USB_SOF_Event (void) {
  92 }
  93 #endif
  94
  95
  96 /*
  97  *  USB Error Event Callback
  98  *   Called automatically on USB Error Event
  99  *    Parameter:       error: Error Code
 100  */
 101
 102 #if USB_ERROR_EVENT
 103 void USB_Error_Event (uint32_t error) {
 104 }
 105 #endif
 106
 107
 108 /*
 109  *  USB Set Configuration Event Callback
 110  *   Called automatically on USB Set Configuration Request
 111  */
 112
 113 #if USB_CONFIGURE_EVENT
 114 void USB_Configure_Event (void) {
 115
 116   if (USB_Configuration) {                  /* Check if USB is configured */
 117     /* add your code here */
 118   }
 119 }
 120 #endif
 121
 122
 123 /*
 124  *  USB Set Interface Event Callback
 125  *   Called automatically on USB Set Interface Request
 126  */
 127
 128 #if USB_INTERFACE_EVENT
 129 void USB_Interface_Event (void) {
 130 }
 131 #endif
 132
 133
 134 /*
 135  *  USB Set/Clear Feature Event Callback
 136  *   Called automatically on USB Set/Clear Feature Request
 137  */
 138
 139 #if USB_FEATURE_EVENT
 140 void USB_Feature_Event (void) {
 141 }
 142 #endif
 143
 144
 145 #define P_EP(n) ((USB_EP_EVENT & (1 << (n))) ? USB_EndPoint##n : NULL)
 146
 147 /* USB Endpoint Events Callback Pointers */
 148 void (* const USB_P_EP[USB_LOGIC_EP_NUM]) (uint32_t event) = {
 149   P_EP(0),
 150   P_EP(1),
 151   P_EP(2),
 152   P_EP(3),
 153   P_EP(4),
 154 };
 155
 156
 157 /*
 158  *  USB Endpoint 1 Event Callback
 159  *   Called automatically on USB Endpoint 1 Event
 160  *    Parameter:       event
 161  */
 162
 163 void USB_EndPoint1 (uint32_t event) {
 164   uint16_t temp;
 165   static uint16_t serialState;
 166
 167   switch (event) {
 168     case USB_EVT_IN:
 169       temp = CDC_GetSerialState();
 170       if (serialState != temp) {
 171          serialState = temp;
 172          CDC_NotificationIn();            /* send SERIAL_STATE notification */
 173       }
 174       break;
 175   }
 176 }
 177
 178
 179 /*
 180  *  USB Endpoint 2 Event Callback
 181  *   Called automatically on USB Endpoint 2 Event
 182  *    Parameter:       event
 183  */
 184
 185 void USB_EndPoint2 (uint32_t event)
 186 {
 187   event = event;
 188 }
 189
 190
 191 /*
 192  *  USB Endpoint 3 Event Callback
 193  *   Called automatically on USB Endpoint 3 Event
 194  *    Parameter:       event
 195  */
 196
 197 void USB_EndPoint3 (uint32_t event) {
 198   switch (event) {
 199     case USB_EVT_OUT:
 200       CDC_BulkOut ();                /* data received from Host */
 201       break;
 202     case USB_EVT_IN:
 203       CDC_BulkIn ();                 /* data expected from Host */
 204       break;
 205   }
 206 }
 207
 208