本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
( w' b9 H" e6 \; G4 }9 q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
' B' m( ~( ]2 H- I) z& k% M - #include <malloc.h>6 `& B/ a$ t7 [; _) F0 I
- #include <sys/types.h>" ~# y& P+ j6 w# @
- #include <sys/stat.h>
, M5 F" i$ f) H# f) T; r6 D - #include <sys/ioctl.h>
7 W" r! x% K+ U E: k- v - #include <stdio.h>9 @. l+ H# s* T* p" n7 K5 g. ]5 q
- #include <string.h>
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- typedef struct {7 M. b7 i* x& l
- unsigned int e2prom_cmd_sub_addr;% D/ _ U: W* j; \- J' T2 F
- unsigned int sub_addr_count;
4 Q: u# Z) |* N% X. H2 m8 K - unsigned char* e2prom_cmd_data;3 z) v0 p w, c9 A) |7 d" I$ u
- unsigned int data_count;
( L4 C/ v$ i1 J$ X D- \" H4 c/ |2 o - } e2prom_s_cmd;
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1 I* T8 v! \3 z9 P- #define E2PROM_CMD_READ 19 {7 u3 a. R- j% S7 v, B
- #define E2PROM_CMD_WRITE 2
j1 d+ t$ I9 p* }# b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
1 e3 b* y# T2 X+ P6 \ - e2prom_s_cmd arg;
' U' H% n! c. d* \, R* | u8 M% ] - unsigned char buf[0x18];' K9 g% l( z @; S7 I5 ?
/ k: | L+ H% F5 Z. D t( m- fd = open(E2PROM_DEVICE, O_RDWR);
I+ n( i% I5 C3 T3 V - if (fd < 0) {/ r" d" ~- U# |8 O) g, H. ~! m
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ C& X9 @. L( ? d - return -1;& b+ c2 }# j+ C0 k7 _' _5 U
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- arg.sub_addr_count = 2;. Z3 f" z/ g+ l
- arg.data_count = 0x18;9 B4 f$ ^; i, U0 |/ g
- arg.e2prom_cmd_sub_addr = 0x290;9 ]' v5 Y' G' o9 x4 i
- arg.e2prom_cmd_data = buf;
! R: q. Y: h% T" N8 y# @2 K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" e- H9 w5 f( M0 W, z9 C - if (ret != 0) {+ e6 C6 y! U- K3 z. T! v
- printf("Device %s read error.\n", E2PROM_DEVICE);- T! j6 s) z9 U L9 O
- return -1;
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- memcpy(mac, buf, 6);2 t3 {# B' E; u. ]& c2 a2 G
- memcpy(stbid, &buf[6], 18);0 Q9 ]% ^' C) _8 t$ u2 @/ {5 O4 Z, v
- stbid[18] = '\0';
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- return 0;
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0 A, ]! E _0 z6 B- K. ~- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;5 }1 B. {# j% |1 W! G
- e2prom_s_cmd arg;1 F& f' P* X& Z1 @% z
- unsigned char buf[0x18];! P: R; P1 R" f) L/ u. K
g; T8 Y1 [$ n& i: r8 D- memcpy(buf, mac, 6);
; {2 u. e* R: a4 C$ G - memcpy(&buf[6], stbid, 18);7 a: Z F. m5 {2 J1 I
- fd = open(E2PROM_DEVICE, O_RDWR);. @8 o0 \% W. K& ]/ t
- if (fd < 0) {
& A5 I& `' z, ? Y - printf("Device %s open error.\n", E2PROM_DEVICE);
# R' f. z5 ] @0 W8 |- K. {, P - return -1;7 N# f$ f+ w! N( Q* z( Z- b; b
- }
* ^# I% ?* y+ S) t t2 B - arg.sub_addr_count = 2;" ?1 A+ L' ]2 F
- arg.data_count = 0x18;0 ?. D* m% Y1 s6 A8 V
- arg.e2prom_cmd_sub_addr = 0x290;' X' H) | a1 Z0 j% Z* E; M
- arg.e2prom_cmd_data = buf;
, G9 g Q+ j E. W: C, Z- k! l8 F - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 \' m2 e# {" M. L. p6 H9 ^
- if (ret != 0) { S% x; {3 E1 ^" l, o2 R* l
- printf("Device %s write error.\n", E2PROM_DEVICE);9 _# g9 x3 k% W7 J4 a! u: G" Q' H
- return -1;
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- return 0;" c6 o1 v" B3 g8 S& U$ m
- }
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2 Y/ X' T8 r" F% o# \0 a- int main()
' d Q4 n! ~% t( S - {
8 w8 X ], d3 [ H" ?# |( r - char c;
/ L. ]# o, J: |& Y0 \ - int i, macs[6];: L! J. \/ `8 t. n
- unsigned char mac[6];
' F& U2 o2 O% |* \6 c; _! J: s - unsigned char stbid[256];1 O+ e% x& J- Z( q0 l& q% U/ J
- , E- [% e# J+ g" H. P8 s( y4 a
- if (readparam(mac, stbid) < 0)
" C: O8 q1 ~- U9 `8 D - return 1;( y7 M5 ~& m3 h
- 9 ^' T# l7 B0 m1 x* {$ b
- printf("Current parameters: \n");1 w$ Z! z M9 c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- ^1 L! m2 X# `6 x8 d - printf(" STBID: %s\n", stbid);* l& h0 W% `* ~- l
-
$ u, j6 s! ]# j7 m' ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 |9 x J: l9 X$ i I+ |2 b
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 f* C& d6 b0 o8 l, S/ K - printf("Input MAC error\n");
: [7 T6 E6 K3 Z - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
) x3 ~, z1 v9 [2 W$ m - printf("\nPlease input new STBID: ");
- d z/ S5 M% x- |0 W1 { - scanf("%s", stbid);) G7 \8 z. C" S( {
- if (strlen(stbid) != 18) {! A7 P4 _. i. D- m3 ~& ~/ U" f
- printf("Invalid stbid\n");
, U9 K% U# a% V9 Y- ? - return 1;
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- printf("\nNew parameters: \n");
. u6 H8 m v. s$ M$ O2 B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" ]" A( X d- ? ~% E! D" @/ j - printf(" STBID: %s\n", stbid);/ w3 V P3 }6 N* Q+ p. v) I9 t5 J9 P+ ]+ N
( P4 g3 Z) V7 L/ x! z- printf("\nDo you want to change paramemters? (y/N) "); z3 w' i5 C4 r C3 d4 r/ H
- for (;;) {
$ a" D0 T8 I' c M+ e9 c5 ~ - c = getchar();
2 ~! s3 `3 v9 M( ^% W - if (c == 'y' || c == 'Y')- q/ A' C. S% ` @# W
- break;$ n* o. S4 f i3 K( j3 \' c
- if (c == 'n' || c == 'N') {
# y b% l+ K1 K+ s& Y# @$ P - printf("\nAborted.\n");
( y! p6 T/ ]+ ]$ A/ S8 Z: U/ m; \8 D - return 1;
7 A y+ p, ~ ?* J! u0 J. [/ V; }6 z - }
B- Z, i7 p7 ~5 o9 T! p, v" e - }
3 P+ m- [- ?. a8 n; z; L4 @4 G. u3 F - if (writeparam(mac, stbid) == 0) 5 u3 I$ A. a5 [: a! M, o+ o! q
- printf("Parameters changed.\n");
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- return 0;
$ H9 r4 W5 f5 h# L* D - }
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