📄 flashcode1.lst
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C51 COMPILER V7.06 FLASHCODE1 10/15/2004 20:55:30 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE FLASHCODE1
OBJECT MODULE PLACED IN Flashcode1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Flashcode1.c LARGE BROWSE DEBUG OBJECTEXTEND
stmt level source
1 /* `=========================================================================`
2
3 ***************************************
4 **** * * ****
5 Title: FLASHCODE1
6 File name: Flashcode1.c
7 Project name: FLASHCODE1
8 *** ****
9 ****************** * ******************
10 **** ****
11 Author: Petr PFEIFER
12 MPG Prague, Czech Republic
13 **** * * ****
14 ***************************************
15
16 $Version: 0.010 Build: 2004-01-28,12:15:55
17
18
19
20 Description:
21 ============
22 based on the previous DEMO 1.07 version,
23 Erase problem fixed.
24 Since version 0.004 only one uPSD3200.h is needed.
25
26
27 Notes:
28 ======
29 - none
30
31
32
33
34 ..........................
35 . .
36 . ****************** .
37 . **PPPPPPPPPPPPPPPP .
38 . *PPPP*******PP**** .
39 . **PPP********PP*** .
40 . ***PPP******PP**** .
41 . *****PPP****PP**** .
42 . *****PPP****PP**** .
43 . PPPPPPPP****PP**** (R) .
44 . .
45 ..........................
46
47
48 =-=-=-=-=-=
49 =-=-=-=-=-=-=-=-=-=-=-=-=
50 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
51
52 Copyright 2004 ST Microelectronics
53
54 This code/file is provided as is and has no warranty,
55 implied or otherwise. You are free to use/modify any of the provided
C51 COMPILER V7.06 FLASHCODE1 10/15/2004 20:55:30 PAGE 2
56 code at your own risk in your applications with the expressed limitation
57 of liability (see below) so long as your product using the code
58 contains at least one uPSD products (device).
59
60 LIMITATION OF LIABILITY:
61 ========================
62 NEITHER STMicroelectronics NOR ITS VENDORS OR AGENTS
63 SHALL BE LIABLE FOR ANY LOSS OF PROFITS, LOSS OF USE, LOSS OF DATA,
64 INTERRUPTION OF BUSINESS, NOR FOR INDIRECT, SPECIAL, INCIDENTAL OR
65 CONSEQUENTIAL DAMAGES OF ANY KIND WHETHER UNDER THIS AGREEMENT OR
66 OTHERWISE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
67
68 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
69 =-=-=-=-=-=-=-=-=-=-=-=-=
70 =-=-=-=-=-=
71
72 For current information on uPSD products,
73 please consult our pages on the World Wide Web:
74
75 www.st.com/psm
76
77 - - - - - - - - - - - -
78
79 STMicroelectronics GROUP OF COMPANIES
80 Australia - Brazil - China - Czech Republic - Finland - France - Germany
81 Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore
82 Spain - Sweden - Switzerland - United Kingdom - U.S.A.
83
84 http://www.st.com
85
86
87 `========================================================================` */
88
89 #pragma NOAREGS
90
91 #include "uPSD3200.h"
92
93
94 /* Function prototypes
95 */
96 #define _F_W_W_P
97 #define _F_E_B
98 #define _F_R
99
100
101 unsigned char flash_write_with_poll(
102 volatile unsigned char xdata *addr, unsigned char dat);
103 unsigned char flash_erase_sector(
104 volatile unsigned char xdata* flash_bulk_erase_address);
105 unsigned char flash_boot_write_with_poll(
106 volatile unsigned char xdata *addr, unsigned char dat);
107 unsigned char flash_boot_erase_sector(
108 volatile unsigned char xdata* flash_boot_bulk_erase_address);
109
110 unsigned char flash_write_with_toggle(unsigned char *addr,unsigned char dat);
111 void flash_reset(void);
112 unsigned char flash_read_id(unsigned char *flash_id_address);
113 unsigned char flash_read_sector_protect(void);
114 unsigned char flash_boot_write_with_toggle(volatile unsigned char *addr,
115 unsigned char dat);
116 void flash_boot_reset(void);
117 unsigned char flash_boot_read_id(volatile unsigned char *flash_boot_id_address);
C51 COMPILER V7.06 FLASHCODE1 10/15/2004 20:55:30 PAGE 3
118 unsigned char flash_boot_read_sector_protect(void);
119
120
121
122
123 #ifdef _F_W_W_P
124
125 unsigned char flash_write_with_poll(volatile uchar xdata* addr, uchar dat)
126 /******************************************************************************
127 Function : unsigned char flash_write_with_poll()
128 Parameters : (volatile uchar xdata* addr, uchar dat)
129 Description: Writes data to flash
130 ******************************************************************************/
131 {
132 1 unsigned char done;
133 1 unsigned char error;
134 1 unsigned char err;
135 1 unsigned char poll;
136 1
137 1 done = FALSE;
138 1 err = FALSE;
139 1
140 1 // Note: the following constants (FLASH_COMMON_XXXX)
141 1 // are declared type volatile in the header file
142 1 // so they are not optimized away by the compiler
143 1
144 1
145 1 *(FLASH_COMMON_X555) = 0xAA; // unlock main flash, write 0xAA to addess 0xX555
146 1 *(FLASH_COMMON_XAAA) = 0x55; // unlock main flash, write 0x55 to addess 0xXAAA
147 1 *(FLASH_COMMON_X555) = 0xA0; // write 0xA0 command to program
148 1
149 1 *(addr) = dat; // write byte to flash
150 1 dat = dat & NVM_DATA_POLL; // get bit DQ7 of original dat
151 1
152 1 do // now use dat polling method to verify successful write
153 1 {
154 2 poll = *(addr); // Read the location that was just programmed
155 2 error = poll & NVM_ERROR; // save timeout error bit at DQ5
156 2 poll = poll & NVM_DATA_POLL; // get DQ7 of poll byte read from flash
157 2 if (dat == poll) // compare DQ7
158 2 {
159 3 done = TRUE; // dat byte programmed into flash OK,
160 3 // indicate successful exit criteria
161 3 }
162 2 else if (error == NVM_ERROR ) // check for timeout error
163 2 {
164 3 err = TRUE; // indicate timeout error occurred
165 3 }
166 2
167 2 }
168 1 while((done == FALSE) && (err == FALSE));
169 1
170 1
171 1 if (err == TRUE) // make sure timeout error and dat poll didn't
172 1 // occur simultaneously
173 1 {
174 2 poll = *(addr); // Read location in flash again
175 2 poll = poll & NVM_DATA_POLL; // get DQ7 of poll byte read from flash
176 2 if (dat == poll) // compare DQ7
177 2 {
178 3 done = TRUE; // dat byte programmed into flash OK at the same
179 3 // time timout error occured, indicate successful exit criteria
C51 COMPILER V7.06 FLASHCODE1 10/15/2004 20:55:30 PAGE 4
180 3 }
181 2 *(FLASH_COMMON_X555) = 0xF0;// reset the flash array (short reset instruction)
182 2 // now delay 3 msec per dat sheet
183 2 }
184 1 return(done); // a successful flash write returns 1, timeout error returns 0
185 1 }
186
187
188
189
190
191
192 unsigned char flash_boot_write_with_poll(volatile uchar xdata* addr, uchar dat)
193 /******************************************************************************
194 Function : unsigned char flash_boot_write_with_poll()
195 Parameters : (volatile uchar xdata* addr, uchar dat)
196 Description: Writes data to boot flash
197 ******************************************************************************/
198 {
199 1 unsigned char done;
200 1 unsigned char error;
201 1 unsigned char err;
202 1 unsigned char poll;
203 1
204 1 done = FALSE;
205 1 err = FALSE;
206 1 // Note: the following constants (FLASH_BOOT_XXXX)
207 1 // are declared type volatile in the header file
208 1 // so they are not optimized away by the compiler
209 1
210 1 *(FLASH_BOOT_X555) = 0xAA; // unlock main flash, write 0xAA to addess 0xX555
211 1 *(FLASH_BOOT_XAAA) = 0x55; // unlock main flash, write 0x55 to addess 0xXAAA
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