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📄 chap9.lst

📁 usblab usb程序开发实验 一个实例
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C51 COMPILER V8.01   CHAP9                                                                 04/19/2006 16:02:45 PAGE 1   


C51 COMPILER V8.01, COMPILATION OF MODULE CHAP9
OBJECT MODULE PLACED IN chap9.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE chap9.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "hardware.h"
   2          #include "USB100.h"
   3          #include "d12_driver.h"
   4          #include "ufmain.h"
   5          #include "chap9.h"
   6          
   7          //---------------------------
   8          extern void single_transmit(unsigned char * buf, unsigned char len);
   9          extern void code_transmit(unsigned char code * pRomData, unsigned short len);
  10          extern void stall_ep0(void);
  11          extern void init_unconfig(void);
  12          extern void init_config(void);
  13          
  14          #define NUM_ENDPOINTS   4
  15          
  16          #define CONFIG_DESCRIPTOR_LENGTH    sizeof(USB_CONFIGURATION_DESCRIPTOR) \
  17                                                                                  + sizeof(USB_INTERFACE_DESCRIPTOR) \
  18                                                                                  + (NUM_ENDPOINTS * sizeof(USB_ENDPOINT_DESCRIPTOR))
  19          
  20          extern CONTROL_XFER ControlData;
  21          extern EPPFLAGS bEPPflags;
  22          
  23          code USB_DEVICE_DESCRIPTOR DeviceDescr =
  24          {
  25                  sizeof(USB_DEVICE_DESCRIPTOR),
  26              USB_DEVICE_DESCRIPTOR_TYPE,
  27              SWAP(0x0100),
  28              USB_CLASS_CODE_TEST_CLASS_DEVICE,
  29              0, 
  30              0,
  31                  EP0_PACKET_SIZE,
  32                  SWAP(0x0471),   //VID
  33                  SWAP(0x0666),   //PID
  34                  SWAP(0x0100),
  35              0,                  //Manufactory
  36              0,                  //Product
  37              0,                  //Serial Number
  38              25                  //Number of possible configurations
  39          };
  40          
  41          code USB_CONFIGURATION_DESCRIPTOR ConfigDescr =
  42          {
  43              sizeof(USB_CONFIGURATION_DESCRIPTOR),
  44              USB_CONFIGURATION_DESCRIPTOR_TYPE,
  45              SWAP(CONFIG_DESCRIPTOR_LENGTH),
  46                  1,
  47                  1,
  48              0,
  49                  0x60,
  50                  0xf0
  51                  //0x1
  52          };
  53          
  54          code USB_INTERFACE_DESCRIPTOR InterfaceDescr =
  55          {
C51 COMPILER V8.01   CHAP9                                                                 04/19/2006 16:02:45 PAGE 2   

  56              sizeof(USB_INTERFACE_DESCRIPTOR),
  57              USB_INTERFACE_DESCRIPTOR_TYPE,
  58              0,
  59              0,
  60                  NUM_ENDPOINTS,
  61                  USB_CLASS_CODE_TEST_CLASS_DEVICE,
  62                  USB_SUBCLASS_CODE_TEST_CLASS_D12,
  63                  USB_PROTOCOL_CODE_TEST_CLASS_D12,
  64                  0
  65          };
  66          
  67          code USB_ENDPOINT_DESCRIPTOR EP1_TXDescr =
  68          {
  69                  sizeof(USB_ENDPOINT_DESCRIPTOR),
  70                  USB_ENDPOINT_DESCRIPTOR_TYPE,
  71                  0x81,
  72                  USB_ENDPOINT_TYPE_INTERRUPT,
  73                  SWAP(EP1_PACKET_SIZE),
  74                  10
  75          };
  76          
  77          code USB_ENDPOINT_DESCRIPTOR EP1_RXDescr =
  78          {
  79                  sizeof(USB_ENDPOINT_DESCRIPTOR),
  80                  USB_ENDPOINT_DESCRIPTOR_TYPE,
  81                  0x1,
  82                  USB_ENDPOINT_TYPE_INTERRUPT,
  83                  SWAP(EP1_PACKET_SIZE),
  84                  10
  85          };
  86          
  87          code USB_ENDPOINT_DESCRIPTOR EP2_TXDescr =
  88          {
  89                  sizeof(USB_ENDPOINT_DESCRIPTOR),
  90                  USB_ENDPOINT_DESCRIPTOR_TYPE,
  91                  0x82,
  92                  USB_ENDPOINT_TYPE_BULK,
  93                  SWAP(EP2_PACKET_SIZE),
  94                  10
  95          };
  96          
  97          code USB_ENDPOINT_DESCRIPTOR EP2_RXDescr =
  98          {
  99                  sizeof(USB_ENDPOINT_DESCRIPTOR),
 100                  USB_ENDPOINT_DESCRIPTOR_TYPE,
 101                  0x2,
 102                  USB_ENDPOINT_TYPE_BULK,
 103                  SWAP(EP2_PACKET_SIZE),
 104                  10
 105          };
 106          
 107          /*
 108             //*************************************************************************
 109             // USB Protocol Layer
 110             //*************************************************************************
 111          */
 112          
 113          void reserved(void)
 114          {
 115   1              stall_ep0();
 116   1      }
 117          
C51 COMPILER V8.01   CHAP9                                                                 04/19/2006 16:02:45 PAGE 3   

 118          /*
 119             //*************************************************************************
 120             // USB standard device requests
 121             //*************************************************************************
 122          */
 123          
 124          void get_status(void)
 125          {
 126   1              unsigned char endp, txdat[2];
 127   1              unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;
 128   1              unsigned char c;
 129   1      
 130   1              if (bRecipient == USB_RECIPIENT_DEVICE) {
 131   2                      if(bEPPflags.bits.remote_wakeup == 1)
 132   2                              txdat[0] = 3;
 133   2                      else
 134   2                              txdat[0] = 1;
 135   2                      txdat[1]=0;
 136   2                      single_transmit(txdat, 2);
 137   2              } else if (bRecipient == USB_RECIPIENT_INTERFACE) {
 138   2                      txdat[0]=0;
 139   2                      txdat[1]=0;
 140   2                      single_transmit(txdat, 2);
 141   2              } else if (bRecipient == USB_RECIPIENT_ENDPOINT) {
 142   2                      endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
 143   2                      if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
 144   2                              c = D12_SelectEndpoint(endp*2 + 1);     /* Control-in */
 145   2      
 146   2      
 147   2                      else
 148   2                              c = D12_SelectEndpoint(endp*2); /* Control-out */
 149   2                      if(c & D12_STALL)
 150   2                              txdat[0] = 1;
 151   2                      else
 152   2                              txdat[0] = 0;
 153   2                      txdat[1] = 0;
 154   2                      single_transmit(txdat, 2);
 155   2              } else
 156   1                      stall_ep0();
 157   1      }
 158          
 159          void clear_feature(void)
 160          {
 161   1              unsigned char endp;
 162   1              unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;
 163   1      
 164   1              if (bRecipient == USB_RECIPIENT_DEVICE
 165   1                      && ControlData.DeviceRequest.wValue == USB_FEATURE_REMOTE_WAKEUP) {
 166   2                      DISABLE;
 167   2                      bEPPflags.bits.remote_wakeup = 0;
 168   2                      ENABLE;
 169   2                      single_transmit(0, 0);
 170   2              }
 171   1              else if (bRecipient == USB_RECIPIENT_ENDPOINT
 172   1                      && ControlData.DeviceRequest.wValue == USB_FEATURE_ENDPOINT_STALL) {
 173   2                      endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
 174   2                      if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
 175   2                              // clear TX stall for IN on EPn. 
 176   2                              D12_SetEndpointStatus(endp*2 + 1, 0);
 177   2                      else
 178   2                              // clear RX stall for OUT on EPn. 
 179   2                              D12_SetEndpointStatus(endp*2, 0);
C51 COMPILER V8.01   CHAP9                                                                 04/19/2006 16:02:45 PAGE 4   

 180   2                      single_transmit(0, 0);
 181   2              } else
 182   1                      stall_ep0();
 183   1      }
 184          
 185          void set_feature(void)
 186          {
 187   1              unsigned char endp;
 188   1              unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;
 189   1      
 190   1              if (bRecipient == USB_RECIPIENT_DEVICE
 191   1                      && ControlData.DeviceRequest.wValue == USB_FEATURE_REMOTE_WAKEUP) {
 192   2                      DISABLE;
 193   2                      bEPPflags.bits.remote_wakeup = 1;
 194   2                      ENABLE;
 195   2                      single_transmit(0, 0);
 196   2              }
 197   1              else if (bRecipient == USB_RECIPIENT_ENDPOINT
 198   1                      && ControlData.DeviceRequest.wValue == USB_FEATURE_ENDPOINT_STALL) {
 199   2                      endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
 200   2                      if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
 201   2                              // clear TX stall for IN on EPn. 
 202   2                              D12_SetEndpointStatus(endp*2 + 1, 1);
 203   2                      else
 204   2                              // clear RX stall for OUT on EPn. 
 205   2                              D12_SetEndpointStatus(endp*2, 1);
 206   2                      single_transmit(0, 0);
 207   2              } else
 208   1                      stall_ep0();
 209   1      }
 210          
 211          void set_address(void)
 212          {
 213   1              D12_SetAddressEnable((unsigned char)(ControlData.DeviceRequest.wValue &
 214   1                      DEVICE_ADDRESS_MASK), 1);
 215   1              single_transmit(0, 0);
 216   1      }
 217          
 218          void get_descriptor(void)
 219          {
 220   1              unsigned char bDescriptor = MSB(ControlData.DeviceRequest.wValue);
 221   1      
 222   1              if (bDescriptor == USB_DEVICE_DESCRIPTOR_TYPE) {
 223   2                      code_transmit((unsigned char code *)&DeviceDescr, sizeof(USB_DEVICE_DESCRIPTOR));
 224   2              } 
 225   1              else if (bDescriptor == USB_CONFIGURATION_DESCRIPTOR_TYPE) {
 226   2                      code_transmit((unsigned char code *)&ConfigDescr, CONFIG_DESCRIPTOR_LENGTH);
 227   2              } 
 228   1              else
 229   1                      stall_ep0();
 230   1      }
 231          
 232          void get_configuration(void)
 233          {
 234   1              unsigned char c = bEPPflags.bits.configuration;
 235   1      
 236   1              single_transmit(&c, 1);
 237   1      }
 238          
 239          void set_configuration(void)
 240          {
 241   1              if (ControlData.DeviceRequest.wValue == 0) {
C51 COMPILER V8.01   CHAP9                                                                 04/19/2006 16:02:45 PAGE 5   

 242   2                      //* put device in unconfigured state 
 243   2                      single_transmit(0, 0);
 244   2                      DISABLE;
 245   2                      bEPPflags.bits.configuration = 0;
 246   2                      ENABLE;
 247   2                      init_unconfig();
 248   2              } else if (ControlData.DeviceRequest.wValue == 1) {
 249   2                      // Configure device 
 250   2                      single_transmit(0, 0);
 251   2      
 252   2                      init_unconfig();
 253   2                      init_config();
 254   2                      
 255   2                      DISABLE;
 256   2                      bEPPflags.bits.configuration = 1;
 257   2                      ENABLE;
 258   2              } else
 259   1                      stall_ep0();
 260   1      }
 261          
 262          void get_interface(void)
 263          {
 264   1              unsigned char txdat = 0;        // Only/Current interface = 0 
 265   1              single_transmit(&txdat, 1);
 266   1      }
 267          
 268          void set_interface(void)
 269          {
 270   1              if (ControlData.DeviceRequest.wValue == 0 && ControlData.DeviceRequest.wIndex == 0)
 271   1                      single_transmit(0, 0);
 272   1              else
 273   1                      stall_ep0();
 274   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    448    ----
   CONSTANT SIZE    =     64    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      12
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)

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