📄 ide.lst
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C51 COMPILER V7.50 IDE 10/12/2007 17:05:44 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE IDE
OBJECT MODULE PLACED IN ide.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE ide.c OBJECTADVANCED OPTIMIZE(11,SIZE) REGFILE(.\nand_fw2k.ORC) BROWSE ORDE
-R INCDIR(c:\cypress\usb\target\inc) DEFINE(NAND_2K) DEBUG
line level source
1 //-----------------------------------------------------------------------------
2 // IDE.c
3 // This file contains the IDE specific portions of the code.
4 //
5 // Format: indent 3. NO TABS!
6 //
7
8 //--------------------------------------------------------------------------
9
10 //--------------------------------------------------------------------------
11
12 #include "globals.h"
13
14 void loadEP4BC(WORD dataLen);
15
16 void cMedia() { if (bEject) sensePtr = senseNoMedia; else sensePtr=senseOk; }
17
18 // This command is only used for removable DRIVES, not removable media
19 // An example of removable drive is Compact Flash
20 #define checkForMedia(x) cMedia()
21
22
23 // From SCSI spec SPC (SCSI primary commands)
24 // Byte 0 -- 70 = Current error
25 // Byte 1 -- Segment number
26 // Byte 2 -- Sense key (SPC table 107)
27 // 5 = ILLEGAL REQUEST. Indicates that there was an illegal parameter in
28 // the CDB or in the additional parameters supplied as data for some commands
29 // B = ABORTED COMMAND. Indicates that the device server aborted the command.
30 // The application client may be able to recover by trying the command again.
31 // E = MISCOMPARE. Indicates that the source data did not match the data read
32 // from the medium.
33 // Byte 3-6 -- Information (not used)
34 // Byte 7 -- add'l sense length
35 // byte 8-11 -- Command specific information
36 // byte 12 -- ASC (Add'l sense code)
37 // byte 13 -- ASQ (Add'l sense qualifier)
38 // Key
- ASC ASQ
39 // 0 1 2 3 4 5 6 7 8 9 10 11
- 12 13 14 15
40 //const char code senseTemplate[]= {0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0
-0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
41 // SK ASC ASQ
42
43 const char code senseArray[senseWriteProtected+1][3] =
44 {{0x0b, 0x08, 0x03}, // senseCRCError 0 // Set on CRC error. Causes host to retry
45 {0x05, 0x24, 0x00}, // senseInvalidFieldInCDB 1
46 {0x00, 0x00, 0x00}, // senseOk 2
47 {0x02, 0x3a, 0x00}, // senseNoMedia 3
48 {0x03, 0x03, 0x00}, // senseWriteFault 4
49 {0x03, 0x11, 0x00}, // senseReadError 5
50 {0x03, 0x12, 0x00}, // senseAddrNotFound 6
51 {0x05, 0x20, 0x00}, // senseInvalidOpcode 7
C51 COMPILER V7.50 IDE 10/12/2007 17:05:44 PAGE 2
52 {0x05, 0x21, 0x00}, // senseInvalidLBA 8
53 {0x05, 0x26, 0x00}, // senseInvalidParameter 9
54 {0x05, 0x53, 0x02}, // senseCantEject 0xa
55 {0x06, 0x28, 0x00}, // senseMediaChanged 0xb
56 {0x06, 0x29, 0x00}, // senseDeviceReset 0xc
57 {0x07, 0x27, 0x00}}; // senseWriteProtected 0xd
58
59 char sensePtr;
60
61 /////////////////////////////////////////////////////////////////////////////////
62 //
63 // Called when we have received a valid CBW from the host
64 //
65 // Input:
66 // EP2FIFOBUF -- Contains CBW
67 //
68 // Output:
69 // EP4FIFOBUF -- Used to send the data phase of the command back to the host.
70 // Returns a byte to be sent as the CSW status byte.
71 //////////////////////////////////////////////////////////////////////////////////
72 bit IDECommand()
73 {
74 1 BYTE cmd;
75 1
76 1 bShortPacketSent = !directionIn;
77 1
78 1 cmd = EP2FIFOBUF[0xf];
79 1
80 1 #ifndef NO_WP
81 1 ////////////////////////////////////////////////////////////////////////////////////////////////////
82 1 // Check for WP status changed. If the WP status has changed, fail ANY command that comes in and
83 1 // set the status to "media changed"
84 1 if (bWriteProtectEnable)
85 1 {
86 2 if ((bWPSwitchState != NAND_WP_SWITCH) )
87 2 {
88 3 // Free the OUT buffer containing the command, load the error pointer, store new switch value and
- fail the command
89 3 OUTPKTEND = 0x82;
90 3 bWPSwitchState = NAND_WP_SWITCH;
91 3 sensePtr = senseMediaChanged;
92 3 if (directionIn) failedIn();
93 3 else stallEP2OUT();
94 3 //bEject = 0; // toggle the switch will enable device again
95 3 return(USBS_FAILED);
96 3 }
97 2 }
98 1 #endif
99 1
100 1 switch (cmd)
101 1 {
102 2 /// IN Command
103 2 //////////////////////////////////////////////////////////////////////////////////
104 2 // Good example of the processing required for a case in this switch statement.
105 2 // -- Gives OUT bulk buffer back to the host
106 2 // -- Loads IN buffer with a response
107 2 // -- Adjusts dataTransferLen (inside loadEP4BC)
108 2 // -- Returns PASSED or FAILED
109 2 case INQUIRY:
110 2 {
111 3 OUTPKTEND = 0x82;
112 3 // Send out our stored inquiry data
C51 COMPILER V7.50 IDE 10/12/2007 17:05:44 PAGE 3
113 3 waitForInBuffer();
114 3 AUTOPTRL2 = LSB(EP4FIFOBUF);
115 3 #ifdef USE_2LUN
if (!bLUN1) P_XAUTODAT2 = 0; else P_XAUTODAT2 = cDriveType;
#else
118 3 P_XAUTODAT2 = 0;
119 3 #endif
120 3
121 3 #ifndef NO_WP
122 3 if (bWriteProtectEnable) P_XAUTODAT2 = SCSI_INQUIRY_REMOVABLE_BIT;
123 3 else P_XAUTODAT2 = 0;
124 3 #else
P_XAUTODAT2 = SCSI_INQUIRY_REMOVABLE_BIT;
#endif
127 3 P_XAUTODAT2 = 0;
128 3 P_XAUTODAT2 = 0;
129 3 P_XAUTODAT2 = 0x1F;
130 3 P_XAUTODAT2 = 0;
131 3 P_XAUTODAT2 = 0;
132 3 P_XAUTODAT2 = 0;
133 3 // copy SCSI Inquiry string
134 3 mymemmovexx(EP4FIFOBUF+8, halfKBuffer+cHALF_BUFF_OFFSET, cINQUIRY_LENGTH);
135 3 loadEP4BC(0x1F+5);
136 3 sensePtr = senseOk;
137 3 return(USBS_PASSED);
138 3 }
139 2
140 2 case NAND_SCSI_CMD_VENDOR_CBW: return handleVendorCBW();
141 2
142 2 // This command is "spoofed". We tell the host that the command has succeeded but
143 2 // don't actually do anything.
144 2 case SYNCHRONIZE_CACHE:
145 2 case SEEK_10:
146 2 {
147 3 // relinquish control of the bulk buffer occupied by the CBW
148 3 OUTPKTEND = 0x82;
149 3 return(USBS_PASSED);
150 3 }
151 2
152 2 case READ_FORMAT_CAPACITIES:
153 2 case READ_CAPACITY:
154 2 {
155 3 BYTE num_bytes = 8;
156 3
157 3 // Nand Mfg support
158 3 GetNandCfg();
159 3 // add this for 30ns cycle support
160 3 if (b30nsCycle && EZUSB_HIGHSPEED())
161 3 {
162 4 GPIF_40();
163 4 b30nsCycle = 0; // load only one time
164 4 }
165 3 // relinquish control of the bulk buffer occupied by the CBW
166 3 OUTPKTEND = 0x82;
167 3 checkForMedia(1);
168 3
169 3 waitForInBuffer();
170 3 if (sensePtr == senseOk)
171 3 {
172 4 AUTOPTRL2 = LSB(EP4FIFOBUF);
173 4 if(cmd == READ_FORMAT_CAPACITIES) // add 4 byte capacity list header
174 4 {
C51 COMPILER V7.50 IDE 10/12/2007 17:05:44 PAGE 4
175 5 P_XAUTODAT2 = 0x0;
176 5 P_XAUTODAT2 = 0x0;
177 5 P_XAUTODAT2 = 0x0;
178 5 P_XAUTODAT2 = 0x08;
179 5 num_bytes = 12;
180 5 }
181 4 #ifdef USE_2LUN
if (bLUN1)
{
P_XAUTODAT2 = (cLUN1_Capacity >> 24);
P_XAUTODAT2 = (cLUN1_Capacity >> 16);
P_XAUTODAT2 = (cLUN1_Capacity >> 8);
P_XAUTODAT2 = (cLUN1_Capacity >> 0);
}
else
{
P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[0];
P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[1];
P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[2];
P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[3];
}
#else
197 4 P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[0];
198 4 P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[1];
199 4 P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[2];
200 4 P_XAUTODAT2 = ((BYTE *) &gDriveCapacity)[3];
201 4 #endif
202 4 if(cmd == READ_FORMAT_CAPACITIES)
203 4 P_XAUTODAT2 = ((NAND_ATA_SECTOR_SIZE >> 24) & 0xff) | 2; // Report media type -- Format
-ted
204 4 else
205 4 P_XAUTODAT2 = (NAND_ATA_SECTOR_SIZE >> 24) & 0xff;
206 4 P_XAUTODAT2 = (NAND_ATA_SECTOR_SIZE >> 16) & 0xff;
207 4 P_XAUTODAT2 = (NAND_ATA_SECTOR_SIZE >> 8) & 0xff;
208 4 P_XAUTODAT2 = (NAND_ATA_SECTOR_SIZE >> 0) & 0xff;
209 4
210 4 loadEP4BC(num_bytes);
211 4 return(USBS_PASSED);
212 4 }
213 3 else
214 3 {
215 4 failedIn();
216 4 return(USBS_FAILED);
217 4 }
218 3 }
219 2
220 2 case TEST_UNIT_READY:
221 2 case VERIFY_10:
222 2 case FORMAT_UNIT:
223 2 {
224 3 // relinquish control of the bulk buffer occupied by the CBW
225 3 OUTPKTEND = 0x82;
226 3 if (dataTransferLen)
227 3 {
228 4 if (directionIn) failedIn(); else stallEP2OUT();
229 4 }
230 3 checkForMedia(1);
231 3
232 3 if (sensePtr == senseOk)
233 3 return(USBS_PASSED);
234 3 else
235 3 return(USBS_FAILED);
C51 COMPILER V7.50 IDE 10/12/2007 17:05:44 PAGE 5
236 3 }
237 2 case REQUEST_SENSE:
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