Chap_9.LST
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- C51 COMPILER V7.02b CHAP_9 09/28/2006 22:04:32 PAGE 1
- C51 COMPILER V7.02b, COMPILATION OF MODULE CHAP_9
- OBJECT MODULE PLACED IN Chap_9.OBJ
- COMPILER INVOKED BY: C:KeilC51BINC51.EXE Chap_9.c BROWSE DEBUG OBJECTEXTEND
- stmt level source
- 1 #include <stdio.h>
- 2 #include <string.h>
- 3
- 4 #include <reg51.h> /* special function register declarations */
- 5
- 6 //#include "epphal.h"
- 7 #include "d12ci.h"
- 8 #include "mainloop.h"
- 9 #include "usb100.h"
- 10 #include "chap_9.h"
- 11
- 12 #define NUM_ENDPOINTS 4
- 13
- 14 #define CONFIG_DESCRIPTOR_LENGTH sizeof(USB_CONFIGURATION_DESCRIPTOR)
- 15 + sizeof(USB_INTERFACE_DESCRIPTOR)
- 16 + (NUM_ENDPOINTS * sizeof(USB_ENDPOINT_DESCRIPTOR))
- 17
- 18 extern CONTROL_XFER ControlData;
- 19 extern IO_REQUEST idata ioRequest;
- 20 extern EPPFLAGS bEPPflags;
- 21
- 22 //设备描述符
- 23 code USB_DEVICE_DESCRIPTOR DeviceDescr =
- 24 {
- 25 sizeof(USB_DEVICE_DESCRIPTOR),
- 26 USB_DEVICE_DESCRIPTOR_TYPE,
- 27 SWAP(0x0110),
- 28 USB_CLASS_CODE_TEST_CLASS_DEVICE,
- 29 0, 0,
- 30 EP0_PACKET_SIZE,
- 31 SWAP(0x0471),
- 32 SWAP(0x0677),
- 33 SWAP(0x0100),
- 34 0, 0, 0,
- 35 1
- 36 };
- 37
- 38 //配置描述符
- 39 code USB_CONFIGURATION_DESCRIPTOR ConfigDescr =
- 40 {
- 41 sizeof(USB_CONFIGURATION_DESCRIPTOR),
- 42 USB_CONFIGURATION_DESCRIPTOR_TYPE,
- 43 SWAP(CONFIG_DESCRIPTOR_LENGTH),
- 44 1,
- 45 1,
- 46 0,
- 47 0x60,//自供电
- 48 0x32
- 49 };
- 50
- 51 //接口描述符
- 52 code USB_INTERFACE_DESCRIPTOR InterfaceDescr =
- 53 {
- 54 sizeof(USB_INTERFACE_DESCRIPTOR),
- 55 USB_INTERFACE_DESCRIPTOR_TYPE,
- C51 COMPILER V7.02b CHAP_9 09/28/2006 22:04:32 PAGE 2
- 56 0,
- 57 0,
- 58 NUM_ENDPOINTS,
- 59 USB_CLASS_CODE_TEST_CLASS_DEVICE,
- 60 USB_SUBCLASS_CODE_TEST_CLASS_D12,
- 61 USB_PROTOCOL_CODE_TEST_CLASS_D12,
- 62 0
- 63 };
- 64
- 65 //端点描述符
- 66 code USB_ENDPOINT_DESCRIPTOR EP1_TXDescr =
- 67 {
- 68 sizeof(USB_ENDPOINT_DESCRIPTOR),
- 69 USB_ENDPOINT_DESCRIPTOR_TYPE,
- 70 0x81,
- 71 USB_ENDPOINT_TYPE_INTERRUPT,
- 72 SWAP(EP1_PACKET_SIZE),
- 73 1
- 74 };
- 75
- 76 code USB_ENDPOINT_DESCRIPTOR EP1_RXDescr =
- 77 {
- 78 sizeof(USB_ENDPOINT_DESCRIPTOR),
- 79 USB_ENDPOINT_DESCRIPTOR_TYPE,
- 80 0x1,
- 81 USB_ENDPOINT_TYPE_INTERRUPT,
- 82 SWAP(EP1_PACKET_SIZE),
- 83 1
- 84 };
- 85
- 86 code USB_ENDPOINT_DESCRIPTOR EP2_TXDescr =
- 87 {
- 88 sizeof(USB_ENDPOINT_DESCRIPTOR),
- 89 USB_ENDPOINT_DESCRIPTOR_TYPE,
- 90 0x82,
- 91 USB_ENDPOINT_TYPE_BULK,
- 92 SWAP(EP2_PACKET_SIZE),
- 93 10
- 94 };
- 95
- 96 code USB_ENDPOINT_DESCRIPTOR EP2_RXDescr =
- 97 {
- 98 sizeof(USB_ENDPOINT_DESCRIPTOR),
- 99 USB_ENDPOINT_DESCRIPTOR_TYPE,
- 100 0x2,
- 101 USB_ENDPOINT_TYPE_BULK,
- 102 SWAP(EP2_PACKET_SIZE),
- 103 10
- 104 };
- 105
- 106 /*
- 107 //*************************************************************************
- 108 // USB Protocol Layer
- 109 //*************************************************************************
- 110 */
- 111
- 112 void reserved(void)
- 113 {
- 114 1 stall_ep0();
- 115 1 }
- 116
- 117 /*
- C51 COMPILER V7.02b CHAP_9 09/28/2006 22:04:32 PAGE 3
- 118 //*************************************************************************
- 119 // USB standard device requests
- 120 //*************************************************************************
- 121 */
- 122
- 123 //获取设备状态
- 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)//获取远程唤醒状态
- 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) {//获取接口状态
- 138 2 txdat[0]=0;
- 139 2 txdat[1]=0;
- 140 2 single_transmit(txdat, 2);
- 141 2 } else if (bRecipient == USB_RECIPIENT_ENDPOINT) {//获取端点状态
- 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 else
- 146 2 c = D12_SelectEndpoint(endp*2); /* Control-out */
- 147 2 if(c & D12_STALL)
- 148 2 txdat[0] = 1;
- 149 2 else
- 150 2 txdat[0] = 0;
- 151 2 txdat[1] = 0;
- 152 2 single_transmit(txdat, 2);
- 153 2 } else
- 154 1 stall_ep0();
- 155 1 }
- 156
- 157 //特性清除
- 158 void clear_feature(void)
- 159 {
- 160 1 unsigned char endp;
- 161 1 unsigned char bRecipient = ControlData.DeviceRequest.bmRequestType & USB_RECIPIENT;
- 162 1
- 163 1 if (bRecipient == USB_RECIPIENT_DEVICE
- 164 1 && ControlData.DeviceRequest.wValue == USB_FEATURE_REMOTE_WAKEUP) {//清除远程唤醒功能
- 165 2 DISABLE;
- 166 2 bEPPflags.bits.remote_wakeup = 0;
- 167 2 ENABLE;
- 168 2 single_transmit(0, 0);
- 169 2 }
- 170 1 else if (bRecipient == USB_RECIPIENT_ENDPOINT
- 171 1 && ControlData.DeviceRequest.wValue == USB_FEATURE_ENDPOINT_STALL) {//清除端点stall
- 172 2 endp = (unsigned char)(ControlData.DeviceRequest.wIndex & MAX_ENDPOINTS);
- 173 2 if (ControlData.DeviceRequest.wIndex & (unsigned char)USB_ENDPOINT_DIRECTION_MASK)
- 174 2 /* clear TX stall for IN on EPn. */
- 175 2 D12_SetEndpointStatus(endp*2 + 1, 0);
- 176 2 else
- 177 2 /* clear RX stall for OUT on EPn. */
- 178 2 D12_SetEndpointStatus(endp*2, 0);
- 179 2 single_transmit(0, 0);
- C51 COMPILER V7.02b CHAP_9 09/28/2006 22:04:32 PAGE 4
- 180 2 } else
- 181 1 stall_ep0();
- 182 1 }
- 183
- 184 //特性设置
- 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) {//设置远程唤醒功能
- 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) {//设置端点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 //设置地址
- 212 void set_address(void)
- 213 {
- 214 1 D12_SetAddressEnable((unsigned char)(ControlData.DeviceRequest.wValue &
- 215 1 DEVICE_ADDRESS_MASK), 1);
- 216 1 single_transmit(0, 0);
- 217 1 }
- 218
- 219 //获取描述符
- 220 void get_descriptor(void)
- 221 {
- 222 1 unsigned char bDescriptor = MSB(ControlData.DeviceRequest.wValue);
- 223 1
- 224 1 if (bDescriptor == USB_DEVICE_DESCRIPTOR_TYPE) {//获取设备描述符
- 225 2 code_transmit((unsigned char code *)&DeviceDescr, sizeof(USB_DEVICE_DESCRIPTOR));
- 226 2 } else if (bDescriptor == USB_CONFIGURATION_DESCRIPTOR_TYPE) {//获取配置描述符
- 227 2 code_transmit((unsigned char code *)&ConfigDescr, CONFIG_DESCRIPTOR_LENGTH);
- 228 2 } else
- 229 1 stall_ep0();
- 230 1 }
- 231
- 232 //获取配置状态
- 233 void get_configuration(void)
- 234 {
- 235 1 unsigned char c = bEPPflags.bits.configuration;
- 236 1 single_transmit(&c, 1);
- 237 1 }
- 238
- 239 //设置配置状态
- 240 void set_configuration(void)
- 241 {
- C51 COMPILER V7.02b CHAP_9 09/28/2006 22:04:32 PAGE 5
- 242 1 if (ControlData.DeviceRequest.wValue == 0) {
- 243 2 //设备进入未配置状态
- 244 2 single_transmit(0, 0);
- 245 2 DISABLE;
- 246 2 bEPPflags.bits.configuration = 0;
- 247 2 ENABLE;
- 248 2 init_unconfig();
- 249 2 } else if (ControlData.DeviceRequest.wValue == 1) {
- 250 2 //配置设备
- 251 2 single_transmit(0, 0);
- 252 2
- 253 2 init_unconfig();
- 254 2 init_config();
- 255 2 DISABLE;
- 256 2 bEPPflags.bits.configuration = 1;
- 257 2 ENABLE;
- 258 2 } else
- 259 1 stall_ep0();
- 260 1 }
- 261
- 262 //获取接口状态
- 263 void get_interface(void)
- 264 {
- 265 1 unsigned char txdat = 0; /* Only/Current interface = 0 */
- 266 1 single_transmit(&txdat, 1);
- 267 1 }
- 268
- 269 //设置接口状态
- 270 void set_interface(void)
- 271 {
- 272 1 if (ControlData.DeviceRequest.wValue == 0 && ControlData.DeviceRequest.wIndex == 0)
- 273 1 single_transmit(0, 0);
- 274 1 else
- 275 1 stall_ep0();
- 276 1 }
- 277
- 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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