📄 xxgmain.lst
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C51 COMPILER V6.20c XXGMAIN 01/16/2003 10:36:17 PAGE 1
C51 COMPILER V6.20c, COMPILATION OF MODULE XXGMAIN
OBJECT MODULE PLACED IN Xxgmain.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE Xxgmain.c ROM(COMPACT) BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include <stdio.h>
2 #include <string.h>
3
4 #include <At89x52.h>
5
6 #include "xxghal.h"
7 #include "xxgmain.h"
8 #include "xxgd12ci.h"
9 #include "xxgchap9.h"
10 #include "xxgprotodma.h"
11 //=====================================
12
13 /*
14 //*************************************************************************
15 // USB protocol function pointer arrays
16 //*************************************************************************
17 */
18 code void (*StandardDeviceRequest[])(void) =
19 {
20 get_status,
21 clear_feature,
22 reserved,
23 set_feature,
24 reserved,
25 set_address,
26 get_descriptor,
27 reserved,
28 get_configuration,
29 set_configuration,
30 get_interface,
31 set_interface,
32 reserved,
33 reserved,
34 reserved,
35 reserved
36 };
37
38 code void (*VendorDeviceRequest[])(void) =
39 {
40 reserved,
41 reserved,
42 reserved,
43 reserved,
44 reserved,
45 reserved,
46 reserved,
47 reserved,
48 reserved,
49 reserved,
50 reserved,
51 reserved,
52 read_write_register,
53 reserved,
54 reserved,
55 reserved
C51 COMPILER V6.20c XXGMAIN 01/16/2003 10:36:17 PAGE 2
56 };
57
58
59
60 /*
61 //*************************************************************************
62 // Public static data
63 //*************************************************************************
64 */
65 extern EPPFLAGS bEPPflags;
66 extern unsigned long ClockTicks;
67
68 extern unsigned char idata GenEpBuf[];
69 extern IO_REQUEST idata ioRequest;
70
71 extern unsigned char ioSize, ioCount;
72 extern unsigned char xdata MainEpBuf[];
73 extern unsigned char idata EpBuf[];
74 //------------
75 extern void fn_usb_isr(void);
76 //-----------
77
78 CONTROL_XFER ControlData;
79 unsigned char bNoRAM;
80
81
82 //==================================================
83 /*
84 PCON: SMOD | - | - | - | GF1|GF0|PD |IDL|
85 TCON: TF1 | - |TF0| - |IE1 |IT1|IE0|IT0|
86
87 */
88 /* Configure Timer 0
89 - Mode = 1
90 - Interrupt = ENABLED
91 - Clock Source = INTERNAL
92 - Enable Gating Control = DISABLED
93 */
94
95
96 void init_timer0(void)
97 {
98 1 TMOD &= 0XF0; /* clear Timer 0 */
99 1 TMOD |= 0X1;
100 1 TL0 = 0X0; /* value set by user */
101 1 TH0 = 0X0; /* value set by user */
102 1 ET0 = 1; /* IE.1*/
103 1 TR0 = 1; /* TCON.4 start timer */
104 1 PT0 = 1;
105 1
106 1 //EA = 1;
107 1 }
108
109
110 void init_port()
111 {
112 1 P0 = 0xFF;
113 1 P1 = 0xFF;
114 1 P2 = 0xFF;
115 1 P3 = 0xFF;
116 1 MCU_D12CS = 0x0; //D12 Select
117 1 D12SUSPD = 0; //D12 not in Suspend
C51 COMPILER V6.20c XXGMAIN 01/16/2003 10:36:17 PAGE 3
118 1 }
119
120 /*Serial Port */
121 /*Mode = 1 /8-bit UART
122 Serial Port Interrupt = Disabled */
123 /*Receive = Enabled */
124 /*Auto Addressing = Disabled */
125 void init_serial(void)
126 {
127 1 SCON = 0X52; /* SCON: SM0|SM1|SM2|REN|TB8|RB8|TI|RI */
128 1 PCON = 0X80 | PCON; /* PCON: SMOD | - | - | - | GF1|GF0|PD |IDL| */
129 1 TMOD = 0X20; /* TMOD: GATE|C/T|M1|M0|GATE|C/T|M1|M0 */
130 1 TCON = 0x69; /* TCON: TF1|TR1|TF0|TR0|IE1|IT1|IE0|IT0 */
131 1 TH1 = 0xF3; /*TH1=0xF3: */
132 1 }
133 //----------------------------
134 /*
135 void help_devreq(unsigned char typ, unsigned char req)
136 {
137 typ >>= 5;
138
139 if(typ == USB_STANDARD_REQUEST) {
140 }
141 else {
142 if(bEPPflags.bits.verbose)
143 printf("Request Type = %s, bRequest = 0x%bx.\n", _NAME_USB_REQUEST_TYPE[typ],
144 req);
145 }
146 }
147 */
148
149 //=================================================================
150 void disconnect_USB(void)
151 {
152 1 // Initialize D12 configuration
153 1 D12_SetMode(D12_NOLAZYCLOCK|D12_CLOCKRUNNING, D12_SETTOONE | D12_CLOCK_12M);
154 1 }
155
156 void connect_USB(void)
157 {
158 1 // reset event flags
159 1
160 1 DISABLE;
161 1 bEPPflags.value = 0;
162 1 ENABLE;
163 1
164 1 // ENABLE_INTERRUPTS;
165 1
166 1 D12_SetEndpointStatus(4, 0);
167 1 D12_SetEndpointStatus(5, 0);
168 1 // V2.1 enable normal+sof interrupt
169 1 D12_SetDMA(D12_ENDP4INTENABLE | D12_ENDP5INTENABLE);
170 1
171 1 // Initialize D12 configuration
172 1
173 1 //D12_SetMode(D12_NOLAZYCLOCK ,D12_SETTOONE | D12_CLOCK_12M );
174 1 D12_SetMode(D12_NOLAZYCLOCK |D12_CLOCKRUNNING|D12_SOFTCONNECT,D12_SETTOONE | D12_CLOCK_12M );
175 1
176 1 }
177
178
179 void reconnect_USB(void)
C51 COMPILER V6.20c XXGMAIN 01/16/2003 10:36:17 PAGE 4
180 {
181 1 unsigned long clk_cnt;
182 1
183 1 MCU_LED0 = 0;
184 1 MCU_LED1 = 0;
185 1
186 1 // Pull-down D12's SUSPEND pin
187 1 // Disable 74HCT123 pulse generation before disconnect
188 1 // Release D12's SUSPEND pin after receiving bus reset from host
189 1 D12SUSPD = 0;
190 1 disconnect_USB();
191 1 ENABLE;
192 1 //printf("Wait for 1 second ...\n");
193 1 clk_cnt = ClockTicks;
194 1 while(ClockTicks < clk_cnt + 20);
195 1 DISABLE;
196 1
197 1 connect_USB();
198 1 MCU_LED0 = 1;
199 1 MCU_LED1 = 1;
200 1
201 1 }
202 //------------------------------
203 void stall_ep0(void)
204 {
205 1 D12_SetEndpointStatus(0, 1);
206 1 D12_SetEndpointStatus(1, 1);
207 1 }
208
209 //---------------
210
211 //----------------------------------
212 void check_key_LED(void)
213 {
214 1 static unsigned char c, last_key = 0xf;
215 1
216 1 c = MCU_SWM0 & MCU_SWM1;
217 1 c &= 0x0f;
218 1 if (c != last_key) {
219 2 D12_WriteEndpoint(3, 1, &c);
220 2 }
221 1
222 1 last_key = c;
223 1
224 1 if(bEPPflags.bits.ep1_rxdone) {
225 2 DISABLE;
226 2 bEPPflags.bits.ep1_rxdone = 0;
227 2 ENABLE;
228 2 MCU_LED0 = !(GenEpBuf[3] & 0x1);
229 2 MCU_LED1 = !(GenEpBuf[3] & 0x2);
230 2 }
231 1 }
232 //--------------------------
233 void init_unconfig(void)
234 {
235 1 //unsigned char i;
236 1
237 1 D12_SetEndpointEnable(0); /* Disable all endpoints but EPP0. */
238 1 }
239
240 void init_config(void)
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