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。5 c$ j- d5 U. W2 c8 H8 x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& A" D$ d% W) W6 ]
- #include <malloc.h>
. F. z* G. Q+ p6 I0 E* ~0 D# q& A - #include <sys/types.h>
# Y c- ^/ U5 f3 q1 ]& O - #include <sys/stat.h>
2 T0 z# e. M; e( C) y2 G - #include <sys/ioctl.h>
: [$ O8 L- T- ~) ~ - #include <stdio.h>: U& f; s# V2 y7 V) S
- #include <string.h>3 J- }! F0 x" i$ D1 Z' P. w3 ^9 D
- 1 F# ? J I1 {: C6 r/ f
- typedef struct {
2 \. M7 h0 k# {. k0 g0 V8 {" Z% v0 t' i - unsigned int e2prom_cmd_sub_addr;( G7 G. p9 a) X+ z& U
- unsigned int sub_addr_count;& }' z B9 {; G9 }
- unsigned char* e2prom_cmd_data;
s# P" }& V+ ^ - unsigned int data_count;% k$ V$ F d' S/ T" ]
- } e2prom_s_cmd;
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' J5 Q' r) M! d8 g& R7 F* X4 G- #define E2PROM_CMD_READ 13 @* x+ z& Z$ H$ F9 G( F
- #define E2PROM_CMD_WRITE 2! Z$ n/ I8 I0 Z5 F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)' M0 ^1 N3 S) o' f; C, M" E
- {4 y. Y4 W3 Y* r2 n. u
- int fd, ret; z5 |/ I: e1 j
- e2prom_s_cmd arg;
7 K: N2 d5 c* e9 S! t - unsigned char buf[0x18];
- ]- l! K0 _/ H6 w1 {6 O - 8 Q! B0 i- R/ o) g0 }; G! O! q" {9 F
- fd = open(E2PROM_DEVICE, O_RDWR);. |1 \* r0 |9 s4 |
- if (fd < 0) {+ ?$ i. X+ z z0 n% X
- printf("Device %s open error.\n", E2PROM_DEVICE);: q) p( M9 R3 q
- return -1;
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- arg.sub_addr_count = 2;5 j- ~: x1 M9 _
- arg.data_count = 0x18;0 F; w; j; M1 b6 L
- arg.e2prom_cmd_sub_addr = 0x290;. T* N2 q' L' b- S% X
- arg.e2prom_cmd_data = buf;
3 s, C3 o# j5 X - ret = ioctl(fd, E2PROM_CMD_READ, &arg); f n9 [! |, I3 j x0 e( P
- if (ret != 0) {! l0 k: _2 ~, k! ^
- printf("Device %s read error.\n", E2PROM_DEVICE);4 J: l* h2 ^/ m) z$ f; o1 E
- return -1;: S+ F0 E$ Q& A; Q+ w1 V
- }; l# \) t; O# K* W) q: E1 l
- memcpy(mac, buf, 6);% f5 y, p" k5 r9 [3 T3 d6 L
- memcpy(stbid, &buf[6], 18);: W/ f# x8 c3 I3 F
- stbid[18] = '\0';
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5 ?. A& p0 U ~/ z2 U- return 0;
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1 N- [: z* m* P3 _* c& g2 g( B6 M- static int writeparam(unsigned char *mac, unsigned char *stbid)) B9 X: C w/ \( m: Z0 a2 j
- {$ \1 F% _1 t" N) r. i
- int fd, ret;
' B$ @+ |( A' S1 E7 `% b - e2prom_s_cmd arg;! p. {; Z2 N; I- y: s f
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
g: v% \) \" e - memcpy(&buf[6], stbid, 18);8 B% H9 f6 g9 A5 ?
- fd = open(E2PROM_DEVICE, O_RDWR);
6 R9 C6 y1 @4 F6 Q X - if (fd < 0) {
1 ~9 N" l. z* J; @. e! s+ y* ^3 m - printf("Device %s open error.\n", E2PROM_DEVICE);
0 I: b' X: p2 _* N2 r* |' n& D - return -1;
$ V( i# p& o ~; p: }8 C6 k: s - }
8 H5 J/ \( s- O/ m - arg.sub_addr_count = 2;( \( q8 Q9 f4 a3 T4 Q
- arg.data_count = 0x18;5 Z1 y3 M/ ?6 W4 ^$ r+ K( R
- arg.e2prom_cmd_sub_addr = 0x290;
. `) s1 Y7 B' x, f7 Z& k1 h - arg.e2prom_cmd_data = buf;
+ }5 ^+ [' H5 ?) r+ h0 J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 H2 X0 ^, R4 Y7 }7 u& L, R, r' l
- if (ret != 0) {
' U" [4 k# Q. n4 R - printf("Device %s write error.\n", E2PROM_DEVICE);9 N. t9 H3 U/ H5 S2 H! D
- return -1;$ P0 N1 A, x& `) F. f/ `
- }
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- return 0; d& y; P' X2 {* p
- }
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- int main()/ C' j0 }6 S" V" D0 E& H) }( V
- {
0 j; N+ L' d$ I& ^! ^* [ - char c;- ?5 _! e; L5 `. D) x
- int i, macs[6];5 }9 n# L& g# L& {) o- k
- unsigned char mac[6];
2 Y% U# v( Y0 n- H S- Z - unsigned char stbid[256];' H" W( @ y, s% q! g
- ) j# @* M% E+ i( u6 h, h; H/ x
- if (readparam(mac, stbid) < 0)
& z% @5 b/ h! K8 g7 ? - return 1;9 I7 ^& ^6 g. z* |2 k# i
- B: P6 T( I" a' n# \9 l: @- printf("Current parameters: \n");; G. i) ^: S! I+ \' f* J. U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# N8 R# p% D2 L6 }5 `! J) ^
- printf(" STBID: %s\n", stbid);
+ O! ]# `6 z. z- t) \: g* Z - 9 y( V9 y: G- q2 k# |. H1 w( {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- W6 c5 \& V7 `: g5 z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 v; I: h! M# V. ^8 m" s( M
- printf("Input MAC error\n");
9 M+ Y4 |3 P0 O7 `' s# D - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];9 ]$ f0 _8 j* K. Y7 {$ `
- printf("\nPlease input new STBID: "); R* E, C$ p+ W2 B0 R. S0 l/ A
- scanf("%s", stbid);
& e; o5 a6 ?' n9 _ q0 {5 l - if (strlen(stbid) != 18) {
! ^2 ~* H l: b9 x - printf("Invalid stbid\n");% W# A i: A$ x/ L/ v# O# `0 a
- return 1;
/ y- n, C4 ]7 {* x2 B2 M# m) e - }
8 x. H6 ~+ w0 `1 n4 |, v - printf("\nNew parameters: \n");
7 N) ?1 M2 j; m; u5 @4 v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# s S2 x1 r+ b! |) _, ^ - printf(" STBID: %s\n", stbid);' W4 S X! h6 h; i- N+ e9 u, ]
- : K9 |0 |( X7 V8 `/ o" J. ?7 m( b
- printf("\nDo you want to change paramemters? (y/N) ");
- q7 W) V+ a* B! @ n - for (;;) {
& [% |, L9 `& Y - c = getchar();$ n" {5 S/ [, O& I" }& B) w
- if (c == 'y' || c == 'Y'). D4 ?) j/ Z- R$ A) b
- break;4 s' M, N2 P: v V6 F" {1 c9 y
- if (c == 'n' || c == 'N') {3 w, r3 Z/ c! j3 Z
- printf("\nAborted.\n");; u. B) _! e2 f& |( F$ \
- return 1;/ a% R$ z7 v. _- p
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- if (writeparam(mac, stbid) == 0)
7 X0 m/ H3 w# m - printf("Parameters changed.\n");* P0 B7 E( G3 M
. q3 {. j3 y$ [7 M# v4 o B- u- return 0;
! s& b) W" s" t. o, ? - }
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