?? usb.lst
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C51 COMPILER V7.50 USB 11/03/2008 13:09:02 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE USB
OBJECT MODULE PLACED IN USB.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE USB.c OPTIMIZE(9,SPEED) BROWSE INCDIR(D:\IDE_demo_code\INCLUDE\) DEBUG OBJE
-CTEXTEND PRINT(.\LST\USB.lst)
line level source
1 /**************************************************************************
2 * H E A D E R F I L E S
3 *************************************************************************/
4 #include <stdio.h>
5 #include<ABSACC.H>
6 #include <reg51.h>
7 #include <intrins.h>
8 #include "include\AT89C51SND.h"
9 #include "include\typedef.h"
10 #include "include\config.h"
11 #include "include\constant.h"
12 #include "include\usb.h"
13 #include "include\global.h"
14 #include "include\gpio.h"
15 #include "include\macro.h"
16 #include "include\external.h"
17
18 /********************************************
19 *
20 *GET_DESCRIPTOR(Device Descriptor = 18 byte)
21 *
22 ********************************************/
23 code UINT8 USB_DeviceDescriptor[] =
24 {
25
26
27
28 0x12, /*bLength:*/
29 0x01, /*bDescriptorType*/
30 0x10, 0x01, /*bcdUSB*/
31 0x00, /*bDeviceClass*/
32 0x00, /*bDeviceSubClass*/
33 0x00, /*bDeviceProtocol*/
34 0x08, /*bMaxPacketSize0*/
35 0x34, 0x22, /*idVendor*/
36 0x78, 0x56, /*idProduct*/
37 0x01, 0x00, /*bcdDevice*/
38 0x01, /*iManufacturer*/
39 0x02, /*iProduct*/
40 0x03, /*iSerialNumber*/
41 0x01, /*bNumConfigurations*/
42 };
43
44 /********************************************
45 *
46 *GET_DESCRIPTOR(Configuration Descriptor = 34 byte)
47 *
48 ********************************************/
49 code UINT8 USB_ConfigurationDescriptor[] =
50 {
51
52
53 0x09, /*bLength*/
54 0x02, /*bDescriptorType*/
C51 COMPILER V7.50 USB 11/03/2008 13:09:02 PAGE 2
55 0x20, 0x00, /*wTotalLength*/
56 0x01, /*bNumInterfaces*/
57 0x01, /*bConfigurationValue*/
58 0x00, /*iConfiguration*/
59 0x80, /*bmAttributes*/
60 0xFA, /*bMaxPower*/
61
62
63 /*Interface Descriptor(0x09 byte)*/
64 0x09, /*bLength */
65 0x04, /*bDescriptorType */
66 0x00, /*bInterfaceNumber*/
67 0x00, /*bAlternateSetting*/
68 0x02, /*bNumEndpoints:*/
69 0x08, /*bInterfaceClass*/
70 0x06, /*bInterfaceSubClass:*/
71 0x50, /*bInterfaceProtocol*/
72 0x00, /*iInterface*/
73
74 /*Endpoint Descriptor (0x07 byte)*/
75 0x07, /*bLength:*/
76 0x05, /*bDescriptorType:*/
77 0x81, /*bEndpointAddress*/
78 0x02, /*bmAttributes*/
79 0x40, 0x00, /*wMaxPacketSize*/
80 0x00, /*bInterval: ignored*/
81
82
83 /*Endpoint Descriptor (0x07 byte)*/
84 0x07, /*bLength:*/
85 0x05, /*bDescriptorType:*/
86 0x02, /*bEndpointAddress*/
87 0x02, /*bmAttributes*/
88 0x40, 0x00, /*wMaxPacketSize*/
89 0x00, /*bInterval: ignored*/
90
91 };
92
93 /********************************************
94 *
95 *GET_DESCRIPTOR(STRING Descriptor = 4 byte)
96 *
97 ********************************************/
98 code UINT8 USB_LanguageIdString[] =
99 {
100
101 0x04, /*bLength*/
102 0x03, /*bDescriptorType: STRING*/
103 0x09, 0x04, /*bString: English (US)*/
104 };
105
106 /********************************************
107 *
108 *GET_DESCRIPTOR(STRING Descriptor = 32 byte)
109 *
110 ********************************************/
111 code UINT8 USB_ManufacturerString[] =
112 {
113
114 0x20, /*bLength*/
115 0x03, /*bDescriptorType: STRING*/
116 'a', 0x00,
C51 COMPILER V7.50 USB 11/03/2008 13:09:02 PAGE 3
117 't', 0x00,
118 'm', 0x00,
119 'e', 0x00,
120 'l', 0x00,
121 ' ', 0x00,
122 ' ', 0x00,
123 ' ', 0x00,
124 ' ', 0x00,
125 ' ', 0x00,
126 ' ', 0x00,
127 ' ', 0x00,
128 ' ', 0x00,
129 ' ', 0x00,
130 ' ', 0x00,
131 };
132
133 /********************************************
134 *
135 *GET_DESCRIPTOR(STRING Descriptor = 48 byte)
136 *
137 ********************************************/
138 code UINT8 USB_ProductString[] =
139 {
140
141 0x30, /*bLength*/
142 0x03, /*bDescriptorType: STRING*/
143 'a',0x00,
144 't',0x00,
145 'm',0x00,
146 'e',0x00,
147 'l',0x00,
148 'a',0x00,
149 't',0x00,
150 '8',0x00,
151 '9',0x00,
152 'c',0x00,
153 '5',0x00,
154 '1',0x00,
155 's',0x00,
156 'n',0x00,
157 'd',0x00,
158 '1',0x00,
159 'c',0x00,
160 ' ',0x00,
161 ' ',0x00,
162 ' ',0x00,
163 ' ',0x00,
164 ' ',0x00,
165 ' ',0x00,
166 };
167
168 /********************************************
169 *
170 *GET_DESCRIPTOR(STRING Descriptor = 18 byte)
171 *
172 ********************************************/
173 code UINT8 USB_SerialNumberString[] =
174 {
175
176 0x12, /*bLength*/
177 0x03, /*bDescriptorType: STRING*/
178 '0', 0x00, /*bString: 01.00.00*/
C51 COMPILER V7.50 USB 11/03/2008 13:09:02 PAGE 4
179 '1', 0x00,
180 '.', 0x00,
181 '0', 0x00,
182 '0', 0x00,
183 '.', 0x00,
184 '0', 0x00,
185 '0', 0x00,
186 };
187
188 /**************************************************************************
189 *
-
190 * Function Name: usb_init
191 *
-
192 * Descriptions:
193 *
194 * Arguments:
195 *
196 * Returns: None
197 *
198 **************************************************************************/
199
200 void usb_init(void ){
201 1
202 1 Pll_ndiv(1);
203 1 Pll_rdiv(11);
204 1 Pll_enable();
205 1 Set_Usb_clock(1);
206 1 Usb_enable(); /*Enable usb controller*/
207 1 Reset_All_Ep();
208 1 Stop_Reset_All_Ep();
209 1 Usb_sel_ep(0); /*select ep0*/
210 1 UEPCONX = 0x80;
211 1 }
212
213 /**************************************************************************
214 *
-
215 * Function Name: usb_task
216 *
-
217 * Descriptions:
218 *
219 * Arguments:
220 *
221 * Returns: None
222 *
223 **************************************************************************/
224 void usb_task (void)
225 {
226 1
227 1
228 1
229 1 if (Usb_reset_event())
230 1 {
231 2 Clear_Usb_reset_event();
232 2 printf("USB RESET detection\n ");
233 2 }
234 1
235 1 if (Usb_ep_int_event() == 0x01)
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