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。1 d W8 |/ M* }( S9 L" E f
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 N- x: n/ [) i! W; O8 c4 K) k - #include <malloc.h>
% Q$ n( j: X/ b1 k5 N* J: C% B - #include <sys/types.h>! j# `, y4 K' L
- #include <sys/stat.h>
8 F0 n, Z( o" n, g, s - #include <sys/ioctl.h>
; V) |. g8 u7 \+ B3 C - #include <stdio.h>: H6 B+ s" Q+ v2 O( a r8 p
- #include <string.h>
- u( e/ t3 P( n$ w/ g - # y9 `% {( a8 |; C |
- typedef struct {$ v$ a# E! |* L
- unsigned int e2prom_cmd_sub_addr;1 U2 d4 `- G" U
- unsigned int sub_addr_count;
p' W1 c# m, k% ?: C3 S6 b- b$ n - unsigned char* e2prom_cmd_data;9 k& M! A4 | V# r' y3 C1 n* Y
- unsigned int data_count;
8 L5 |! B$ [" y, w9 W4 A$ R0 J - } e2prom_s_cmd;% e: x+ S2 R, s- U+ ~9 M5 N
; c) v) t" n2 h' O( A, a* F- #define E2PROM_CMD_READ 1/ D# U1 B6 G$ v2 ~
- #define E2PROM_CMD_WRITE 28 \$ s# c0 o8 q' b, m$ f7 ^! s
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; o' q4 A) C) X ]$ _5 g: L
- ( k* ^- J! u" c" q2 K: U
- static int readparam(unsigned char *mac, unsigned char *stbid)* ^$ n( \8 |) @1 S) L9 l
- {
7 Y& P- s0 o \, y* O( q - int fd, ret;0 @1 P# u5 U( l# P Q( }
- e2prom_s_cmd arg;/ I# q4 V. h+ B1 g7 g
- unsigned char buf[0x18];
- j) y* p) ?. d! o4 |" H( [
9 ] ^2 w/ |6 `7 a1 s" W- fd = open(E2PROM_DEVICE, O_RDWR);0 I" u+ j# O1 V
- if (fd < 0) {8 p$ F- t* T" e& | O
- printf("Device %s open error.\n", E2PROM_DEVICE);8 a2 Y% B, C. w& ~3 j+ P
- return -1;+ z! k9 X% c0 f) B
- }
0 L& ^" ~' ?. _1 E. a, f - arg.sub_addr_count = 2;% t# X0 s, L6 J3 ?/ j: g1 A. D
- arg.data_count = 0x18;
; I" q4 w8 T$ w$ {8 V - arg.e2prom_cmd_sub_addr = 0x290;
: k" j3 {- u8 s6 T& e: z) m% X - arg.e2prom_cmd_data = buf;" b7 ?' V& f$ d6 n5 r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) d: U7 X# Q8 F0 S - if (ret != 0) {
5 \& |% y( w3 B( L9 Y; q) J - printf("Device %s read error.\n", E2PROM_DEVICE);8 R/ x7 H' l" P, D1 J
- return -1;9 e) h! X5 |! Q' X: }
- }% ]: Z4 \4 @. ]; l% \' s, n M8 `
- memcpy(mac, buf, 6);
6 }1 z% Q7 I/ L( x - memcpy(stbid, &buf[6], 18);+ x) a5 O: o8 ~, u3 O
- stbid[18] = '\0';- o% E6 t" W2 ?& h3 g0 L
! v1 J9 I( a& |# q- u- return 0;9 u- b) o& l+ w6 H
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid) B/ \! b. _( Q( Y0 T
- {
5 C5 \& }$ {$ y v# F - int fd, ret;* X X) R5 v; j7 m3 g) H; V
- e2prom_s_cmd arg;" w8 Z: S1 c6 L# S! s' k* e
- unsigned char buf[0x18];
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. c" m# |0 a9 ^: f. I- memcpy(buf, mac, 6);# _; N3 s9 ?, `- K$ H; ? P) u
- memcpy(&buf[6], stbid, 18);7 e0 X$ [0 _& U! [$ n
- fd = open(E2PROM_DEVICE, O_RDWR);
7 I+ A7 U0 }. m' @: p - if (fd < 0) {/ \2 T' J, K q0 u2 V: g
- printf("Device %s open error.\n", E2PROM_DEVICE);
: |* ], m. }: A! J6 M" q: }. E - return -1;" S- [3 P) i- O6 W4 p5 F
- }# I' _' t% q* r, V
- arg.sub_addr_count = 2;2 p3 }* r* u+ Y# g: H
- arg.data_count = 0x18;
3 @, Y% O/ k% @0 y, y - arg.e2prom_cmd_sub_addr = 0x290; w0 G8 E$ {* E, Y7 j' o
- arg.e2prom_cmd_data = buf;8 C4 X* s/ o8 E M* J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* I: I" l) Z2 T) Q* K
- if (ret != 0) {
% W, \4 B" K. G& g# N; Q5 N - printf("Device %s write error.\n", E2PROM_DEVICE);8 p0 t; i1 `& \) E( Q# Q' n
- return -1;5 u3 z) p2 f( k& \2 @6 a
- }: R. o+ I$ n+ L, n1 o. L
, Q {' s9 r8 ]1 {$ F ]0 f- return 0;
5 Q; E4 @8 l* K7 }9 I - }; g7 b. @5 ^4 J! ^
8 V7 ?: }4 V2 r. X6 w- int main()
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- char c;
8 U# R2 ^" X) S: ]; I' f% }' h - int i, macs[6];
8 L6 C% @( N: R) _- U - unsigned char mac[6];
( J- |0 D X* Y4 x - unsigned char stbid[256];; |, t) U5 ^" u7 I" O3 D' x
~, o% y. P3 |' y3 B: ~- if (readparam(mac, stbid) < 0)' d9 b+ o/ y# Q+ g5 b
- return 1;
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0 W' a' `/ b4 r8 o) u: s4 k- printf("Current parameters: \n");) W7 ~1 e& x; `* K( @1 E3 d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! |8 L+ `; J0 O2 g8 m1 l b" H - printf(" STBID: %s\n", stbid);* N$ o8 ]1 a# x2 }# R# {. u( Y
-
: A3 `& S( k. o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 z% Y0 r9 S8 y" L3 ~/ K5 W
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' r: @+ `7 |2 ?& v - printf("Input MAC error\n");# M8 i# J$ M- s3 R. X
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];6 }! x( i! a' ?( e' p
- printf("\nPlease input new STBID: ");
- q+ S) @% x I! [ - scanf("%s", stbid);
$ H4 Q( i! ~2 `) k2 w; ] - if (strlen(stbid) != 18) {6 Z- j- R6 r0 ] s& V
- printf("Invalid stbid\n");+ p$ G$ k% e) Z4 d8 m. U- ~
- return 1;$ ]" T' P* K) r, a; `+ M) c; n
- }
7 T% _' k' l. E, V' U - printf("\nNew parameters: \n");6 C p" _7 z6 w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 }3 Z: y" P4 A- b# Z - printf(" STBID: %s\n", stbid);# V+ a; O- [5 v. l$ {& m1 I! ~
1 c( v) R C, h4 \6 ?& o- printf("\nDo you want to change paramemters? (y/N) ");
" y( [3 S) Y/ I3 y - for (;;) {$ R3 ?7 s% C( T6 z K$ @
- c = getchar();
2 K. S: r" P- y1 u5 D - if (c == 'y' || c == 'Y')% ]* z' O# [/ y9 r; z
- break;
4 p+ U4 e) v( a8 Y, p% \5 p - if (c == 'n' || c == 'N') {, T' ^- J* _- e. F7 ~& A1 `. s+ t
- printf("\nAborted.\n");
* J) R$ V6 Z, |# p) _ - return 1;
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- }
- g/ X- p7 j6 P9 G& F - if (writeparam(mac, stbid) == 0)
! ?! u7 g4 u' O+ }' } - printf("Parameters changed.\n");. F# C c# d# l) D5 S% Q0 K
- 7 ~- |" L& b+ O! m5 g9 n/ n- J
- return 0;
* c5 @- A& ~. B9 M8 Q Y - }
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