📄 scusb.lst
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C51 COMPILER V8.06 SCUSB 01/31/2008 22:24:27 PAGE 1
C51 COMPILER V8.06, COMPILATION OF MODULE SCUSB
OBJECT MODULE PLACED IN scusb.OBJ
COMPILER INVOKED BY: C:\Program Files\Keil\C51\BIN\C51.EXE scusb.c OPTIMIZE(9,SPEED) MODDP2 INCDIR(C:\Cypress\USB\Target
-\Inc) DEFINE(__USE_USB__) DEBUG OBJECTEXTEND
line level source
1 //-----------------------------------------------------------------------------
2 // File: peripheral.c
3 // Contents: Hooks required to implement USB peripheral function.
4 //
5 // $Archive: /USB/Examples/FX2LP/bulkext/peripheral.c $
6 // $Date: 3/23/05 2:53p $
7 // $Revision: 3 $
8 //
9 //
10 //-----------------------------------------------------------------------------
11 // Copyright 2003, Cypress Semiconductor Corporation
12 //-----------------------------------------------------------------------------
13 #pragma NOIV // Do not generate interrupt vectors
14 #include <ctype.h>
15
16 #include "fx2.h"
17 #include "fx2regs.h"
18 #include "syncdly.h" // SYNCDELAY macro
19 #include "scmain.h"
20
21 //-----------------------------------------------------------------------------
22 // extern function for smallcard test
23 //-----------------------------------------------------------------------------
24 extern int user_init();
25 extern int user_loop();
26 extern int sc_main(char *cmd_buff,int size);
27 extern void sc_process_blinking();
28
29 //-----------------------------------------------------------------------------
30 //extern & define for usb firmware framework
31 //-----------------------------------------------------------------------------
32 extern BOOL GotSUD; // Received setup data flag
33 extern BOOL Sleep;
34 extern BOOL Rwuen;
35 extern BOOL Selfpwr;
36
37 BYTE Configuration; // Current configuration
38 BYTE AlternateSetting; // Alternate settings
39
40 extern BYTE xdata g_in_buffer[BUFF_LENGTH];
41 extern WORD xdata g_loopcount;
42 extern WORD xdata g_in_buffer_len;
43 //-----------------------------------------------------------------------------
44 // Task Dispatcher hooks
45 // The following hooks are called by the task dispatcher.
46 //-----------------------------------------------------------------------------
47 void TD_Init(void) // Called once at startup
48 {
49 1 // set the CPU clock to 48MHz
50 1 CPUCS = ((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ;
51 1
52 1 // set the slave FIFO interface to 48MHz
53 1 IFCONFIG |= 0x40;
54 1
C51 COMPILER V8.06 SCUSB 01/31/2008 22:24:27 PAGE 2
55 1 // Registers which require a synchronization delay, see section 15.14
56 1 // FIFORESET FIFOPINPOLAR
57 1 // INPKTEND OUTPKTEND
58 1 // EPxBCH:L REVCTL
59 1 // GPIFTCB3 GPIFTCB2
60 1 // GPIFTCB1 GPIFTCB0
61 1 // EPxFIFOPFH:L EPxAUTOINLENH:L
62 1 // EPxFIFOCFG EPxGPIFFLGSEL
63 1 // PINFLAGSxx EPxFIFOIRQ
64 1 // EPxFIFOIE GPIFIRQ
65 1 // GPIFIE GPIFADRH:L
66 1 // UDMACRCH:L EPxGPIFTRIG
67 1 // GPIFTRIG
68 1
69 1 // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
70 1 // ...these have been replaced by GPIFTC[B3:B0] registers
71 1
72 1 // default: all endpoints have their VALID bit set
73 1 // default: TYPE1 = 1 and TYPE0 = 0 --> BULK
74 1 // default: EP2 and EP4 DIR bits are 0 (OUT direction)
75 1 // default: EP6 and EP8 DIR bits are 1 (IN direction)
76 1 // default: EP2, EP4, EP6, and EP8 are double buffered
77 1
78 1 // we are just using the default values, yes this is not necessary...
79 1 EP1OUTCFG = 0xA0;
80 1 EP1INCFG = 0xA0;
81 1 SYNCDELAY; // see TRM section 15.14
82 1 EP2CFG = 0xA2;
83 1 SYNCDELAY;
84 1 EP6CFG = 0xE2;
85 1
86 1 SYNCDELAY;
87 1 EP4CFG = 0xA0;
88 1 SYNCDELAY;
89 1 EP8CFG = 0xE0;
90 1
91 1 // out endpoints do not come up armed
92 1 // since the defaults are double buffered we must write dummy byte counts twice
93 1 SYNCDELAY;
94 1 EP2BCL = 0x80; // arm EP2OUT by writing byte count w/skip.
95 1 SYNCDELAY;
96 1 EP2BCL = 0x80;
97 1
98 1 SYNCDELAY;
99 1 EP4BCL = 0x80; // arm EP4OUT by writing byte count w/skip.
100 1 SYNCDELAY;
101 1 EP4BCL = 0x80;
102 1
103 1 // enable dual autopointer feature
104 1 AUTOPTRSETUP |= 0x01;
105 1
106 1 //init variable
107 1 g_in_buffer_len = 0;
108 1
109 1 //call user init function
110 1 user_init();
111 1 }
112
113 void TD_Poll(void) // Called repeatedly while the device is idle
114 {
115 1 WORD i;
116 1 WORD count;
C51 COMPILER V8.06 SCUSB 01/31/2008 22:24:27 PAGE 3
117 1
118 1 // if there is new data in EP2FIFOBUF, then copy it to a temporary buffer
119 1 if(!(EP2468STAT & bmEP2EMPTY)) {
120 2 // Source is EP2OUT
121 2 APTR1H = MSB( &EP2FIFOBUF );
122 2 APTR1L = LSB( &EP2FIFOBUF );
123 2
124 2 // Destination is external RAM
125 2 AUTOPTRH2 = MSB( &g_in_buffer );
126 2 AUTOPTRL2 = LSB( &g_in_buffer );
127 2
128 2 g_in_buffer_len = (EP2BCH << 8) + EP2BCL;
129 2 for( i = 0x0000; i < g_in_buffer_len; i++ ) {
130 3 EXTAUTODAT2 = EXTAUTODAT1;
131 3 }
132 2
133 2 SYNCDELAY;
134 2 EP2BCL = 0x80; // re(arm) EP2OUT
135 2
136 2 if (g_in_buffer_len){
137 3 g_in_buffer_len = sc_main(g_in_buffer,g_in_buffer_len);
138 3 }
139 2 }
140 1
141 1 // if there is room in EP6IN, then copy the contents of the temporarty buffer to it
142 1 if(!(EP2468STAT & bmEP6FULL) && g_in_buffer_len) {
143 2 APTR1H = MSB( &g_in_buffer );
144 2 APTR1L = LSB( &g_in_buffer );
145 2
146 2 AUTOPTRH2 = MSB( &EP6FIFOBUF );
147 2 AUTOPTRL2 = LSB( &EP6FIFOBUF );
148 2
149 2 for( i = 0x0000; i < g_in_buffer_len; i++ ) {
150 3 EXTAUTODAT2 = EXTAUTODAT1;
151 3 }
152 2
153 2 SYNCDELAY; //
154 2 EP6BCH = MSB(g_in_buffer_len);
155 2 SYNCDELAY; //
156 2 EP6BCL = LSB(g_in_buffer_len); // arm EP6IN
157 2
158 2 g_in_buffer_len=0;
159 2 }
160 1
161 1 //use EP4(out) & EP8(in) as loop test
162 1 if(!(EP2468STAT & bmEP4EMPTY)) { // check EP4 EMPTY(busy) bit in EP2468STAT (SFR), core set's this bit
- when FIFO is empty
163 2 if(!(EP2468STAT & bmEP8FULL)) { // check EP8 FULL(busy) bit in EP2468STAT (SFR), core set's this
- bit when FIFO is full
164 3 APTR1H = MSB( &EP4FIFOBUF );
165 3 APTR1L = LSB( &EP4FIFOBUF );
166 3
167 3 AUTOPTRH2 = MSB( &EP8FIFOBUF );
168 3 AUTOPTRL2 = LSB( &EP8FIFOBUF );
169 3
170 3 count = (EP4BCH << 8) + EP4BCL;
171 3 // loop EP4OUT buffer data to EP8IN
172 3 for( i = 0x0000; i < count; i++ ) {
173 4 // setup to transfer EP4OUT buffer to EP8IN buffer using AUTOPOINTER(s)
174 4 EXTAUTODAT2 = EXTAUTODAT1;
175 4 }
176 3 EP8BCH = EP4BCH;
C51 COMPILER V8.06 SCUSB 01/31/2008 22:24:27 PAGE 4
177 3 SYNCDELAY;
178 3 EP8BCL = EP4BCL; // arm EP8IN
179 3 SYNCDELAY;
180 3 EP4BCL = 0x80; // re(arm) EP4OUT
181 3 }
182 2 }
183 1
184 1 //process blinking
185 1 if (0 == (g_loopcount%5000)) {
186 2 sc_process_blinking();
187 2 }
188 1
189 1 //process user loop
190 1 if (0 == (g_loopcount%1000)) {
191 2 user_loop();
192 2 }
193 1
194 1 //inc counter
195 1 g_loopcount++;
196 1 }
197
198 BOOL TD_Suspend(void) // Called before the device goes into suspend mode
199 {
200 1 return(TRUE);
201 1 }
202
203 BOOL TD_Resume(void) // Called after the device resumes
204 {
205 1 return(TRUE);
206 1 }
207
208 //-----------------------------------------------------------------------------
209 // Device Request hooks
210 // The following hooks are called by the end point 0 device request parser.
211 //-----------------------------------------------------------------------------
212
213 BOOL DR_GetDescriptor(void)
214 {
215 1 return(TRUE);
216 1 }
217
218 BOOL DR_SetConfiguration(void) // Called when a Set Configuration command is received
219 {
220 1 Configuration = SETUPDAT[2];
221 1 return(TRUE); // Handled by user code
222 1 }
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