📄 bulksrc.lst
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C51 COMPILER V6.10 BULKSRC 08/10/2004 11:57:18 PAGE 1
C51 COMPILER V6.10, COMPILATION OF MODULE BULKSRC
OBJECT MODULE PLACED IN .\bulksrc.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\bulksrc.c DEBUG OBJECTEXTEND
stmt level source
1 #pragma NOIV // Do not generate interrupt vectors
2 //-----------------------------------------------------------------------------
3 // File: bulksrc.c
4 // Contents: Hooks required to implement USB peripheral function.
5 //
6 // $Archive: /USB/Examples/Fx2/bulksrc/bulksrc.c $
7 // $Date: 11/10/01 11:41a $
8 // $Revision: 9 $
9 //
10 // Copyright (c) 2000 Cypress Semiconductor All rights reserved
11 //-----------------------------------------------------------------------------
12 #include "fx2.h"
13 #include "fx2regs.h"
14 #include "fx2sdly.h" // SYNCDELAY macro
15
16 extern BOOL GotSUD; // Received setup data flag
17 extern BOOL Sleep;
18 extern BOOL Rwuen;
19 extern BOOL Selfpwr;
20
21 BYTE Configuration; // Current configuration
22 BYTE AlternateSetting; // Alternate settings
23 BYTE xdata myBuffer[512];
24 WORD myBufferCount;
25
26 //-----------------------------------------------------------------------------
27 // Task Dispatcher hooks
28 // The following hooks are called by the task dispatcher.
29 //-----------------------------------------------------------------------------
30
31 void TD_Init(void) // Called once at startup
32 {
33 1 int i;
34 1
35 1 // set the CPU clock to 48MHz
36 1 CPUCS = ((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ;
37 1
38 1 // set the slave FIFO interface to 48MHz
39 1 IFCONFIG |= 0x40;
40 1
41 1 // Registers which require a synchronization delay, see section 15.14
42 1 // FIFORESET FIFOPINPOLAR
43 1 // INPKTEND OUTPKTEND
44 1 // EPxBCH:L REVCTL
45 1 // GPIFTCB3 GPIFTCB2
46 1 // GPIFTCB1 GPIFTCB0
47 1 // EPxFIFOPFH:L EPxAUTOINLENH:L
48 1 // EPxFIFOCFG EPxGPIFFLGSEL
49 1 // PINFLAGSxx EPxFIFOIRQ
50 1 // EPxFIFOIE GPIFIRQ
51 1 // GPIFIE GPIFADRH:L
52 1 // UDMACRCH:L EPxGPIFTRIG
53 1 // GPIFTRIG
54 1
55 1 // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
C51 COMPILER V6.10 BULKSRC 08/10/2004 11:57:18 PAGE 2
56 1 // ...these have been replaced by GPIFTC[B3:B0] registers
57 1
58 1 // default: all endpoints have their VALID bit set
59 1 // default: TYPE1 = 1 and TYPE0 = 0 --> BULK
60 1 // default: EP2 and EP4 DIR bits are 0 (OUT direction)
61 1 // default: EP6 and EP8 DIR bits are 1 (IN direction)
62 1 // default: EP2, EP4, EP6, and EP8 are double buffered
63 1
64 1 // we are just using the default values, yes this is not necessary...
65 1 EP1OUTCFG = 0xA0;
66 1 EP1INCFG = 0xA0;
67 1 SYNCDELAY; // see TRM section 15.14
68 1 EP2CFG = 0xA2;
69 1 SYNCDELAY; //
70 1 EP4CFG = 0xA0;
71 1 SYNCDELAY; //
72 1 EP6CFG = 0xE2;
73 1 SYNCDELAY; //
74 1 EP8CFG = 0xE0;
75 1
76 1 // out endpoints do not come up armed
77 1
78 1 // since the defaults are double buffered we must write dummy byte counts twice
79 1 SYNCDELAY; //
80 1 EP2BCL = 0x80; // arm EP2OUT by writing byte count w/skip.
81 1 SYNCDELAY; //
82 1 EP4BCL = 0x80;
83 1 SYNCDELAY; //
84 1 EP2BCL = 0x80; // arm EP4OUT by writing byte count w/skip.
85 1 SYNCDELAY; //
86 1 EP4BCL = 0x80;
87 1
88 1 // fill up both IN endpoints
89 1
90 1 for (i=0;i<512;i++)
91 1 EP6FIFOBUF[i] = i+2;
92 1 SYNCDELAY; //
93 1 EP6BCH = 0x02;
94 1 SYNCDELAY; //
95 1 EP6BCL = 0x00;
96 1
97 1 for (i=0;i<512;i++)
98 1 EP6FIFOBUF[i] = i+2;
99 1 SYNCDELAY; //
100 1 EP6BCH = 0x02;
101 1 SYNCDELAY; //
102 1 EP6BCL = 0x00;
103 1
104 1 myBufferCount = 0;
105 1
106 1 // enable dual autopointer(s)
107 1 AUTOPTRSETUP |= 0x01;
108 1
109 1 Rwuen = TRUE; // Enable remote-wakeup
110 1 }
111
112 void TD_Poll(void) // Called repeatedly while the device is idle
113 {
114 1 int i;
115 1
116 1 // if there is some data in EP2 OUT, re-arm it
117 1 if(!(EP2468STAT & bmEP2EMPTY))
C51 COMPILER V6.10 BULKSRC 08/10/2004 11:57:18 PAGE 3
118 1 {
119 2 SYNCDELAY; //
120 2 EP2BCL = 0x80;
121 2 }
122 1
123 1 // if EP6 IN is available, re-arm it
124 1 if(!(EP2468STAT & bmEP6FULL))
125 1 {
126 2 SYNCDELAY; //
127 2 EP6BCH = 0x02;
128 2 SYNCDELAY; //
129 2 EP6BCL = 0x00;
130 2 }
131 1
132 1 // if there is new data in EP4FIFOBUF, then copy it to a temporary buffer
133 1 if(!(EP2468STAT & bmEP4EMPTY))
134 1 {
135 2 APTR1H = MSB( &EP4FIFOBUF );
136 2 APTR1L = LSB( &EP4FIFOBUF );
137 2
138 2 AUTOPTRH2 = MSB( &myBuffer );
139 2 AUTOPTRL2 = LSB( &myBuffer );
140 2
141 2 myBufferCount = (EP4BCH << 8) + EP4BCL;
142 2
143 2 for( i = 0x0000; i < myBufferCount; i++ )
144 2 {
145 3 EXTAUTODAT2 = EXTAUTODAT1;
146 3 }
147 2
148 2 SYNCDELAY; //
149 2 EP4BCL = 0x80; // re(arm) EP4OUT
150 2 }
151 1
152 1 // if there is room in EP8IN, then copy the contents of the temporarty buffer to it
153 1 if(!(EP2468STAT & bmEP8FULL) && myBufferCount)
154 1 {
155 2 APTR1H = MSB( &myBuffer );
156 2 APTR1L = LSB( &myBuffer );
157 2
158 2 AUTOPTRH2 = MSB( &EP8FIFOBUF );
159 2 AUTOPTRL2 = LSB( &EP8FIFOBUF );
160 2
161 2 for( i = 0x0000; i < myBufferCount; i++ )
162 2 {
163 3 // setup to transfer EP4OUT buffer to EP8IN buffer using AUTOPOINTER(s) in SFR space
164 3 EXTAUTODAT2 = EXTAUTODAT1;
165 3 }
166 2 SYNCDELAY; //
167 2 EP8BCH = MSB(myBufferCount);
168 2 SYNCDELAY; //
169 2 EP8BCL = LSB(myBufferCount); // arm EP8IN
170 2 }
171 1
172 1 }
173
174 BOOL TD_Suspend(void) // Called before the device goes into suspend mode
175 {
176 1 return(TRUE);
177 1 }
178
179 BOOL TD_Resume(void) // Called after the device resumes
C51 COMPILER V6.10 BULKSRC 08/10/2004 11:57:18 PAGE 4
180 {
181 1 return(TRUE);
182 1 }
183
184 //-----------------------------------------------------------------------------
185 // Device Request hooks
186 // The following hooks are called by the end point 0 device request parser.
187 //-----------------------------------------------------------------------------
188
189 BOOL DR_GetDescriptor(void)
190 {
191 1 return(TRUE);
192 1 }
193
194 BOOL DR_SetConfiguration(void) // Called when a Set Configuration command is received
195 {
196 1 Configuration = SETUPDAT[2];
197 1 return(TRUE); // Handled by user code
198 1 }
199
200 BOOL DR_GetConfiguration(void) // Called when a Get Configuration command is received
201 {
202 1 EP0BUF[0] = Configuration;
203 1 EP0BCH = 0;
204 1 EP0BCL = 1;
205 1 return(TRUE); // Handled by user code
206 1 }
207
208 BOOL DR_SetInterface(void) // Called when a Set Interface command is received
209 {
210 1 AlternateSetting = SETUPDAT[2];
211 1 return(TRUE); // Handled by user code
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