本帖最后由 0522 于 2012-3-21 23:04 编辑 ) I/ E ^6 k0 T3 S
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修改的代码早有了。到今天不会编译。4 D% h7 _' s6 [& k7 y7 [# w6 Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! y9 b% x; |$ ?* g& t - #include <malloc.h>
' `& _% z3 A% p) ] - #include <sys/types.h>" h- E4 N, O M l4 s4 o
- #include <sys/stat.h>
- U: P0 ^9 J2 p5 Y( d - #include <sys/ioctl.h>$ ]0 K1 v1 ^2 H. u9 ?5 q
- #include <stdio.h>
# P' d7 @; L; m, @ - #include <string.h>
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- typedef struct {" e' }9 o7 f7 X- F F- s
- unsigned int e2prom_cmd_sub_addr;) J* [! i: r. i' o5 ~
- unsigned int sub_addr_count;) V( V; }( f. {! e
- unsigned char* e2prom_cmd_data;
3 v) T/ }0 j- j' d' B - unsigned int data_count;
( D j. A9 J" R, f- | - } e2prom_s_cmd;6 g A& f% `; ]# o' I9 I
8 }$ U; j- u! J9 s- #define E2PROM_CMD_READ 1
' t6 q# k, L2 D0 D& f( F - #define E2PROM_CMD_WRITE 2
P0 A5 N& [9 J2 c7 l - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 y. K1 f# a ~1 `- T0 E) y3 E( `" W/ l: P% f
" o7 m- `9 Q* t- static int readparam(unsigned char *mac, unsigned char *stbid); w& y" c' v% O
- {
# }- d: n0 t* ?; ^ | - int fd, ret;
y, l5 ^' q8 i - e2prom_s_cmd arg;
# I' `$ d( F: B" P- m4 P - unsigned char buf[0x18];
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! ]( w0 k" m* H- fd = open(E2PROM_DEVICE, O_RDWR);6 N7 z9 m8 Y* H1 Q4 e
- if (fd < 0) {
7 B+ H {) r! l2 W - printf("Device %s open error.\n", E2PROM_DEVICE);
( W z: y4 h w# P - return -1;. j2 F) f# o) \
- }
0 u& E: ]# D/ s; q" v" w: Y - arg.sub_addr_count = 2;, ^. T9 @! @7 v. P F }
- arg.data_count = 0x18;
7 j. `; g0 E% u9 A% P - arg.e2prom_cmd_sub_addr = 0x290;
) {7 l& k$ w2 Z! Z) @ - arg.e2prom_cmd_data = buf;
S; M$ v9 Q0 }: U( D: { - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. U& ^" `' Y" _ - if (ret != 0) {
; d" s2 x0 @4 e' i Z- C - printf("Device %s read error.\n", E2PROM_DEVICE);3 D9 U: s* o( v( f
- return -1;
! ~9 m3 }* p. |! P$ |! q2 z - }
$ E! N9 O, @9 y - memcpy(mac, buf, 6);
* q# s! _. c& y* ?0 b. x - memcpy(stbid, &buf[6], 18);
/ B: f7 R. O+ N - stbid[18] = '\0';
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- return 0;
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- ; G; M- Z* O! c: I3 E2 e3 A
- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 ^( y# U2 ?* P+ s/ e& I) Z - {
0 r' [3 H; N. s; }* d( {9 E- B - int fd, ret;* a5 h; h! {' [+ R# [6 c+ B6 s
- e2prom_s_cmd arg;3 S: p9 R: ]; y Y9 U8 T
- unsigned char buf[0x18]; L8 c% }6 b, D# ~
- 5 A# ^, g1 Z* D k* ^
- memcpy(buf, mac, 6);3 c" c. j5 t6 O% _+ u" C& t" g
- memcpy(&buf[6], stbid, 18);/ p5 U& ~ u& W y8 J' i# {
- fd = open(E2PROM_DEVICE, O_RDWR);
9 e$ H; s2 h( P, o. x - if (fd < 0) {' n* [/ ]. E7 l t2 ]! z% {3 M
- printf("Device %s open error.\n", E2PROM_DEVICE);
, B/ D3 D& e& l! o' G | - return -1;! f9 }7 M: j# Z
- }1 t d2 E! i/ Z, J
- arg.sub_addr_count = 2;
$ \; |: P, v' }! T4 K: o - arg.data_count = 0x18;
) _7 J+ a6 Y. N0 k$ o - arg.e2prom_cmd_sub_addr = 0x290;' E2 M& v8 ]1 H4 ~; y& i% l/ R
- arg.e2prom_cmd_data = buf;2 k- G7 E" u. t! L9 d0 {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 ^- \6 Z; P3 M
- if (ret != 0) {
. ?( e) r! A, k4 w, x6 c% ` - printf("Device %s write error.\n", E2PROM_DEVICE);
* e$ a6 H# F1 m; C" I - return -1;: x3 e8 g4 I- L$ k2 w( M6 c' O
- }
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' G+ g6 j1 e& v3 R) v p- return 0;
4 u, ^5 i9 L8 m7 m! S* y: U+ Y - }
- |6 I( o. n* k! w# h# n# l" _! @ n9 r - 3 u: }# z$ A$ c" R4 @9 D
- int main()" `/ p! v5 r9 U
- {
9 E% F3 A! T1 l - char c;
, L5 n- P9 p- w& | - int i, macs[6];
0 D' ]2 U# N: F5 c# v - unsigned char mac[6];
" e6 ? v, R" }/ D! M - unsigned char stbid[256];' E t; n8 t) V$ x- ~
- . I7 u& V9 S+ t: K
- if (readparam(mac, stbid) < 0)6 P; U3 l+ K* W' b+ ?& W
- return 1;( @( ]5 [& `" Q% j% q0 k
- " D' C8 c# K. e
- printf("Current parameters: \n");
% p) ~( g! D9 [* J% I9 L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, [9 K6 C+ q9 H7 o" \
- printf(" STBID: %s\n", stbid);
9 g/ H- ]$ j) V -
7 D2 I9 S2 i. ?- O' ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# y3 Z/ S) L- g- t6 ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# D" z2 H0 G' V+ i - printf("Input MAC error\n");
* P& b! I% _. _# m - return 1;% f1 V7 C( E+ Y$ ]" T; {) ]9 X
- }
% h! s/ m |0 W+ Z: f0 q - for (i=0; i<6; i++)mac[i] = macs[i];
, ^5 I& S3 Y4 N+ W. b1 r2 a - printf("\nPlease input new STBID: ");! [& Y$ V7 p2 U6 w
- scanf("%s", stbid);
7 r8 y4 J3 u/ r0 h8 q% n - if (strlen(stbid) != 18) {
; w3 o+ h8 ` @1 Q7 B6 U- |8 m V3 k7 ` - printf("Invalid stbid\n");) j( _1 d2 ]/ q% \
- return 1;* p: v' { ^, S, l0 g$ Y( b
- }
" C* H+ Z9 k7 ?5 A - printf("\nNew parameters: \n");6 A7 g( ?/ o+ V5 L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 s' x6 T/ s; j - printf(" STBID: %s\n", stbid);- q2 u8 R# ^' E0 c* V. ^5 X$ {! \9 H. b
$ u' K7 f) i, e5 N0 J, c; t- printf("\nDo you want to change paramemters? (y/N) ");
/ G6 e: d3 f, g7 [- Y; H - for (;;) {" H: O! X) L& S, @
- c = getchar();8 A3 i9 o/ Q& U7 [4 Z
- if (c == 'y' || c == 'Y'). D& d2 b% z# l9 C8 ~; Y, q
- break;
" w g% @! j2 Z7 G% [$ _ - if (c == 'n' || c == 'N') {$ @ I! Z! t8 @7 j# T2 {) W' M# N
- printf("\nAborted.\n");( I/ P e# e5 W# J6 {0 P( S! r
- return 1;
) X- z6 \# ]$ u% Z8 U' Z - }
, w" E2 ]# E( |0 y3 j9 A - }
/ |6 T7 Q* t- Z/ v( { - if (writeparam(mac, stbid) == 0)
# U2 H1 F/ d" K5 ] - printf("Parameters changed.\n");1 F5 ]$ e& E1 W3 @
- ?: I8 k! e7 G( R
- return 0;! \# }0 ^3 E- W, ~$ } Q
- }
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