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。
" I: E% y0 Y) _4 e/ w7 l# L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% @/ e7 Q9 a+ Y" m z5 o - #include <malloc.h>6 C5 q# D1 {- d7 f) l$ N
- #include <sys/types.h>. u+ K" X' s1 [9 o+ o
- #include <sys/stat.h>
( S, ?4 _! m' o5 j# K - #include <sys/ioctl.h>. p9 U) o% }6 O2 ^ }) D
- #include <stdio.h>7 c( k% |8 q) [& C4 g. X" Z, u
- #include <string.h>
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5 X6 t% ?5 x' N# P. Q5 H' W- typedef struct {
; z3 D" C, v* g1 N5 y7 V - unsigned int e2prom_cmd_sub_addr;
, g' v0 [; x7 s+ `# b - unsigned int sub_addr_count;
: b- w6 D2 u9 S( h - unsigned char* e2prom_cmd_data;; e& B L: v! p2 U" J
- unsigned int data_count;
0 f$ Q- r0 s* o0 { T @! V5 g' O - } e2prom_s_cmd;
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& l4 s; O& N! V- d( G6 w/ X- #define E2PROM_CMD_READ 1" D, m$ ~ L4 M" c
- #define E2PROM_CMD_WRITE 21 z- A7 o/ `! L. P9 c# }1 W9 N8 ?
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". F$ o/ S. U) _4 z; ^5 L% q
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 j p/ l! S& p# `+ ?
- e2prom_s_cmd arg;
. c9 L4 Z1 i9 S7 n0 G- f v - unsigned char buf[0x18];% ]3 C' z( C1 }+ |) ]* O3 E
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- fd = open(E2PROM_DEVICE, O_RDWR);. Q$ k. @2 `8 u, p4 H
- if (fd < 0) {) i# b9 @ H% t+ L; Y8 Z
- printf("Device %s open error.\n", E2PROM_DEVICE);9 c3 }# w8 ~! l4 j$ Z0 j) T
- return -1;5 F- D1 e4 [+ j" ^4 y6 M2 ]
- }
4 x2 I' j6 b0 R - arg.sub_addr_count = 2;
. \5 [5 C: _* j& ?2 D- l O. b" t - arg.data_count = 0x18;7 S) s6 l7 f5 J5 @
- arg.e2prom_cmd_sub_addr = 0x290;
! d7 S0 n- `6 E9 v' p$ L - arg.e2prom_cmd_data = buf;1 \& C; \) P: }/ e$ n! x7 L' C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);- O; B5 b2 C1 _, o2 y0 P5 `
- if (ret != 0) {
; Z8 g" ^9 k8 ?9 h" J - printf("Device %s read error.\n", E2PROM_DEVICE);8 K$ Y- x% M' |
- return -1;
% H+ k: y7 R% i- m" m! _ - }
# X7 M3 S% v/ R% t1 g# B% Y - memcpy(mac, buf, 6);
/ j4 j9 ^) w9 P - memcpy(stbid, &buf[6], 18);% X/ ?5 U3 N: k* h' M
- stbid[18] = '\0';
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- return 0;/ D9 k# {: h9 n: T9 L8 ~
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
" H; G; d; _, w# f - {
: H# `3 u( H+ C; L3 ^/ X. W - int fd, ret;& B+ E' s8 q" s+ p6 v1 s0 k
- e2prom_s_cmd arg;* T- U/ o% ~% @, V- g G
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
" p7 l) A l& O3 k3 N - memcpy(&buf[6], stbid, 18);8 Q" Z* h+ R* u( Q2 H+ z
- fd = open(E2PROM_DEVICE, O_RDWR);+ M3 e$ P: M4 E: J9 t% I
- if (fd < 0) {9 S0 d, {) X2 c- c6 P+ |
- printf("Device %s open error.\n", E2PROM_DEVICE);. z1 D' e' v- u
- return -1;# L m/ i" |3 s% {5 E$ M. Q
- }1 U: W8 S" c7 [8 V6 o1 u/ L
- arg.sub_addr_count = 2;
: t# w4 a P# M1 x0 ]2 L) E - arg.data_count = 0x18;
: T+ a) z" S N3 Y ^ t - arg.e2prom_cmd_sub_addr = 0x290;
& P' _( U; U3 }6 x' x6 W" G# @ - arg.e2prom_cmd_data = buf;
7 ?- m; \, j" L$ z F8 T: t - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 {# a" c1 \: T- D" U$ I6 e5 l - if (ret != 0) {$ c6 @) z) I' H3 K2 n* _& [
- printf("Device %s write error.\n", E2PROM_DEVICE);
( r2 Q* c2 G" J- p - return -1;
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- return 0;# M5 V& M, e- ]/ s, t0 N1 b; Z' I% T3 }5 k
- }
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7 l1 \+ U- D" x8 H# @$ S& J5 t- int main()
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- char c;" e0 I0 u6 ~" }6 D* D
- int i, macs[6];3 s4 H: k- X, _* c7 E
- unsigned char mac[6];. Z/ y. u- b& i5 m8 m, v9 {
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
7 ?. | X y2 z2 R: a6 a% `( i6 r, h - return 1;
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' x' k$ C$ ^& T7 L2 w- printf("Current parameters: \n");6 Y L! k2 F+ r8 o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; e7 l# ?* W% i( p9 a" w
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 I, K) [9 h' [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& o' u, g Y, Y( z1 l# Q3 ~ - printf("Input MAC error\n");
1 r; m( u/ \+ A& v8 N8 L - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
) y+ Z7 x9 C, `1 ]( ~$ T" ~ - printf("\nPlease input new STBID: ");
1 X6 Q- e9 j7 {2 _; J - scanf("%s", stbid);+ c' O/ y2 }$ k$ N5 L
- if (strlen(stbid) != 18) {
9 o" ?2 g- |6 E! o! `5 @ - printf("Invalid stbid\n");, \7 x% F- i" ?
- return 1;
1 c8 M9 K' x: s; M* s" R- w" H - }
; S7 n% X7 d8 z, y6 {' Q4 Y - printf("\nNew parameters: \n");2 _/ H$ v1 s/ W: N1 ^$ n* O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ D& m- o y3 o! T# L* h - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
4 Y) _5 x$ m& F0 c3 W+ n - for (;;) {
4 E; x( j/ d7 M& Y. g# K- M2 k - c = getchar();
% u& B+ D: B6 u- @& ] - if (c == 'y' || c == 'Y')3 K# Z5 R y; m1 U |1 u
- break;" |, Z5 q" S. Q9 t; |. G7 i$ x2 Q
- if (c == 'n' || c == 'N') {1 }) R v/ g2 Q+ n7 R7 _! X
- printf("\nAborted.\n");( Z; q8 s1 q4 L
- return 1;
. l: M# j3 j: O2 s# W) O s! _. w - }
# ^; F7 d/ g0 _ - }
$ b6 V) v$ {. [+ j' D* C' }2 q - if (writeparam(mac, stbid) == 0)
: f& o: l! B* F* u( J9 Q - printf("Parameters changed.\n");1 [0 ]$ i+ q- E% j
0 c( }7 Z; s+ ?/ L" D' |/ C- return 0;) g% x) F [6 D+ ?2 r- d$ z% U
- }
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