📄 chap_9.lst
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C51 COMPILER V7.01 CHAP_9 08/18/2003 08:43:22 PAGE 1
C51 COMPILER V7.01, COMPILATION OF MODULE CHAP_9
OBJECT MODULE PLACED IN Chap_9.OBJ
COMPILER INVOKED BY: C:\Keil7.0\C51\BIN\C51.EXE Chap_9.c OPTIMIZE(2,SPEED) DEBUG OBJECTEXTEND TABS(6)
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(0x0666),
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 0xa0,
48 0x1
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 V7.01 CHAP_9 08/18/2003 08:43:22 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 V7.01 CHAP_9 08/18/2003 08:43:22 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 V7.01 CHAP_9 08/18/2003 08:43:22 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 V7.01 CHAP_9 08/18/2003 08:43:22 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 = 564 ----
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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