本帖最后由 0522 于 2012-3-21 23:04 编辑 " ]6 G4 c' s! t' H9 t
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修改的代码早有了。到今天不会编译。# R0 ?* D5 S. i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 O& ?+ J! S% n
- #include <malloc.h>+ W5 g+ l {* w1 |
- #include <sys/types.h>
1 e; o- }* p5 p4 o% J: H5 ?& ? - #include <sys/stat.h>
! y' u- b5 l% Z0 k! | - #include <sys/ioctl.h>
, @) M. t; S% r7 {5 ?0 x" r - #include <stdio.h>. Z- @. ~/ |: d7 X
- #include <string.h>2 @4 ~2 W$ A3 v6 E" S
" B e% C! v3 ~4 V- typedef struct { `# d& N9 L `9 o, E3 O. t
- unsigned int e2prom_cmd_sub_addr;$ c# m/ P6 u0 P2 U# J
- unsigned int sub_addr_count;
' I( ?. z# i& A8 l9 }8 y - unsigned char* e2prom_cmd_data;* F5 Y9 s( s" M' Y* i
- unsigned int data_count;# P, e0 y7 f0 ]& v) g( D. o
- } e2prom_s_cmd;
: z! @- ^# ^. ~2 s/ t - ; I8 r, O b: A- z* \, \9 J- ?3 {% _. W
- #define E2PROM_CMD_READ 1
' j" T6 E) N; u$ t! @- h - #define E2PROM_CMD_WRITE 2
: [' R1 B5 R X/ Z1 P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ C' \" Z$ j# u P5 W( }
- ' Y8 p7 H$ B( H) J
- static int readparam(unsigned char *mac, unsigned char *stbid)! B& i* R1 p% N
- {
( ^! B& R$ Q5 S - int fd, ret;
6 J: |8 e4 d9 l4 l: P - e2prom_s_cmd arg;
/ L. ~! B) D: @ i* l$ N - unsigned char buf[0x18];, j l6 [. ~( K/ h5 k% L
W6 b$ @' [- U- M0 r. c" E: @- fd = open(E2PROM_DEVICE, O_RDWR);) o+ s* M6 w) V
- if (fd < 0) {! v+ t' B# |& P9 A; h( {6 d1 [
- printf("Device %s open error.\n", E2PROM_DEVICE);
' I3 J" D }8 N6 r6 n/ s - return -1;* x) d: @ i. j
- }
. h- D, {9 f( V! O7 B - arg.sub_addr_count = 2;
8 ?: E1 T5 u( j+ Q' H3 b& A - arg.data_count = 0x18;/ S# x, x5 U v2 Y
- arg.e2prom_cmd_sub_addr = 0x290;( S3 A' b, D, a2 {7 E; l/ e
- arg.e2prom_cmd_data = buf;
4 `* j7 u: c. c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& a% H, _5 G0 r9 L+ ?0 h - if (ret != 0) {
8 [8 D) g" A2 B+ J: m - printf("Device %s read error.\n", E2PROM_DEVICE);
1 C O0 l, a1 W - return -1;
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- memcpy(mac, buf, 6);
. i& b4 S5 E( n2 W% l, w - memcpy(stbid, &buf[6], 18);
* R. K; F" H* {& P" i( P9 |! K - stbid[18] = '\0';( {1 S9 t7 V" K) z4 g% X
- - B* v% f8 O7 N7 U9 @# _5 ]; ?8 E$ T
- return 0;
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- 3 c- f( f# }' G- W, h1 b, z+ D
- static int writeparam(unsigned char *mac, unsigned char *stbid)2 i. [0 B3 q" I: Z
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- int fd, ret;* g$ u# ?- B( j; k u1 r! w _
- e2prom_s_cmd arg;+ P6 z! ?9 r! ]7 E7 z
- unsigned char buf[0x18];, O7 T) k8 l3 q, \6 F! v1 a6 B* S
8 J. b% ~! s, @1 x/ }* n- memcpy(buf, mac, 6);! f9 g8 x& Q, K0 F" q
- memcpy(&buf[6], stbid, 18);# V: o; g# e4 P4 l1 B, h4 q; w
- fd = open(E2PROM_DEVICE, O_RDWR);
# F% q' b0 K) ?- K0 [4 F6 } - if (fd < 0) { E5 i6 a$ e/ W; @# D% g- T# p
- printf("Device %s open error.\n", E2PROM_DEVICE);! w0 d8 u4 P# p/ f3 q
- return -1;( w9 t% E/ U" {# ?' o
- }9 q5 Q t4 G6 D) ?7 |% N! X. z
- arg.sub_addr_count = 2;7 [ M+ K: E5 G0 J2 Q k- K
- arg.data_count = 0x18;
! |, [' @2 m0 A! s x% \ - arg.e2prom_cmd_sub_addr = 0x290;) Q4 w- n) i( H4 Q; D" e
- arg.e2prom_cmd_data = buf;
: N2 x! w. ?9 A9 j* j3 q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ k5 q% R& }) m - if (ret != 0) {$ B0 P; P. f# T3 W2 R
- printf("Device %s write error.\n", E2PROM_DEVICE);/ M8 z+ d6 D* \
- return -1;# q: k) C& }( U' W
- }
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- return 0;" f# e0 n. V% |" E6 v8 c
- }8 g3 \# b: X8 r7 z. d0 z5 B5 J4 Q
; \5 h$ Z9 g6 X8 s4 U- int main()$ b5 D# W7 @8 _4 _3 [1 X- D
- {# |8 x: B7 _& o" K# K" O7 A" Y
- char c;
6 i* P8 a$ C; d* S3 E, Z1 \ - int i, macs[6];/ O, z" G: x8 L5 C. r/ d* N: D U
- unsigned char mac[6];8 I9 M- o& @- }$ e* P
- unsigned char stbid[256];9 q0 c7 t3 {; e7 W- j2 @" G
- + H. l% v- n5 ]; [
- if (readparam(mac, stbid) < 0)1 ^ R+ r) a- w( h/ K
- return 1;
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; K& O/ ~# a( H8 T# q- printf("Current parameters: \n");
4 T9 ]' t; W; O9 \, M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 `+ l/ y3 V$ [. n
- printf(" STBID: %s\n", stbid);- v6 g% z1 c) f
-
$ c& x6 o; w* b' z9 I- P" z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. c6 i5 S- D* O1 j$ t2 ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- _5 g% w% }0 E: z - printf("Input MAC error\n");
" G, S/ P% y, ?- {% b - return 1;
2 Z5 y! n2 F7 J& V - }- D4 C( t+ x: g/ ]5 V. `2 a1 M7 ~ y
- for (i=0; i<6; i++)mac[i] = macs[i];
2 t% c( ^5 x' h1 @. Z - printf("\nPlease input new STBID: ");
1 u! S+ B- m/ R% i3 T* T) J) w - scanf("%s", stbid);
0 t0 D8 y6 s" _& d - if (strlen(stbid) != 18) {
j- N4 S) z% ?- u, X. v - printf("Invalid stbid\n");$ n& o \( n4 H" P: \
- return 1;
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- printf("\nNew parameters: \n");0 D I6 z7 d# T" F# u: h7 K% U& v# i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& [( d. c: }. i9 f
- printf(" STBID: %s\n", stbid);
3 ^$ e d' h5 ]/ l# L/ l3 G( w2 g - . x# _4 n7 i1 f- P5 ?3 M
- printf("\nDo you want to change paramemters? (y/N) ");6 p( d' y6 A" p( t" h; J/ ], k
- for (;;) {/ Q# L- L/ f5 m, q
- c = getchar();: w% o1 C1 K# a1 K6 R' Z
- if (c == 'y' || c == 'Y')
9 C% j- ?$ q3 r* h! K8 A4 i - break;
. U4 T( G" S8 d) D( l: ] - if (c == 'n' || c == 'N') {4 t6 f# J0 K& \$ l$ N" G3 g' r
- printf("\nAborted.\n");
' C3 H5 m1 N4 I* h$ Q' ?3 |. ^ - return 1;/ C2 n; o" _$ u. ?. B
- }( v2 ]& G2 r# V9 @/ y8 G
- }
4 p8 O, Y2 B9 O3 ^ - if (writeparam(mac, stbid) == 0) 3 J2 U# R6 }+ X
- printf("Parameters changed.\n");
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- return 0;
$ H( k' S9 V: s f- g" L" j - }
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