本帖最后由 0522 于 2012-3-21 23:04 编辑
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( ^% O8 b& W3 `' m' R. N0 E. a4 U修改的代码早有了。到今天不会编译。/ F5 t1 Q+ T! g- |7 T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) D% p- A( u9 Z( P2 y$ U/ p0 D5 ]
- #include <malloc.h> `; J/ K% }2 x
- #include <sys/types.h>
8 A9 O( C5 s6 l* t9 ?% i0 Z% R - #include <sys/stat.h>5 m+ n$ V& v; {, K1 _) _5 G8 i: l5 J
- #include <sys/ioctl.h>( {8 Y: O, o& o8 A n
- #include <stdio.h>, w8 p! b; {1 q4 g+ u5 C: B# {! w
- #include <string.h>
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1 q- G# ^0 q4 s. h- Z1 X- typedef struct {
' Q8 X1 z3 X; W, ` q - unsigned int e2prom_cmd_sub_addr;' a7 e* U: i$ k6 z2 X
- unsigned int sub_addr_count;( F% ]. u9 M- n& _* [9 Z5 a
- unsigned char* e2prom_cmd_data;( ?# j S, o8 L0 t a6 ]6 L
- unsigned int data_count;
# A* t% ^" U9 F. ?- N - } e2prom_s_cmd;/ z, @: K g0 j2 F3 v8 Q
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- #define E2PROM_CMD_READ 1
, K, D9 e* s; l# `6 p1 J- M - #define E2PROM_CMD_WRITE 2
7 R+ {3 J) N1 y, P7 | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 M |8 n: m6 s
" R& s, i; N% u- static int readparam(unsigned char *mac, unsigned char *stbid)$ _6 q1 `6 \2 K* i: k
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- int fd, ret;) S- ^7 s. }$ w" y
- e2prom_s_cmd arg; J7 m$ H' u8 O8 o5 n- S
- unsigned char buf[0x18];% @8 Z- }# k% |2 I4 x5 J: u
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- fd = open(E2PROM_DEVICE, O_RDWR);! }2 t) r6 ]* c" \5 V
- if (fd < 0) {
9 f8 R# `, _; M8 T* W+ G7 o. c - printf("Device %s open error.\n", E2PROM_DEVICE);& }! x/ W9 R a D8 M! ?
- return -1;. {0 b1 a, c1 d
- }
+ m. g% F! y0 m! c7 O3 A - arg.sub_addr_count = 2;
8 p+ M0 }1 e/ t! H S - arg.data_count = 0x18;/ G7 _* K$ E, n" E
- arg.e2prom_cmd_sub_addr = 0x290;% a2 X, r. H" \9 _
- arg.e2prom_cmd_data = buf;
3 L W# r J; s+ D+ B5 N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 a- V/ \0 j" x1 y9 }, z& D
- if (ret != 0) {' v" V2 G( n+ [6 x7 K0 x5 f
- printf("Device %s read error.\n", E2PROM_DEVICE);' Y: y% a. R- M, y! b$ g
- return -1;, f/ x' ^. N& F- U) f
- }7 G3 s- [4 `1 R) m& W4 N
- memcpy(mac, buf, 6);
1 \5 f, c8 z5 d1 _1 J! N' \" C - memcpy(stbid, &buf[6], 18);
# X! [0 S5 E# T. i# i( ] - stbid[18] = '\0';
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- return 0;
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9 \ |0 w/ K7 u9 d# }9 V4 ]4 L- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
$ v7 D& E$ j G2 G. u" V - e2prom_s_cmd arg;. u5 ~4 R' w0 L7 u
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);5 r8 R9 W6 ?- _
- memcpy(&buf[6], stbid, 18);5 I; F. T, T2 g5 x5 A o4 J
- fd = open(E2PROM_DEVICE, O_RDWR);2 q) p. }# F% H/ R9 _
- if (fd < 0) {
9 ~% {- P. _/ z1 a# b - printf("Device %s open error.\n", E2PROM_DEVICE);
% ]( W; a* }# c, S# } - return -1;
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- arg.sub_addr_count = 2;" @) ~ p. ?2 |: O9 `2 w
- arg.data_count = 0x18;. j P" Y1 S7 J& ~$ \1 o
- arg.e2prom_cmd_sub_addr = 0x290;
% I, c% ^# j" T" h% q( b - arg.e2prom_cmd_data = buf; e ^4 Y2 Z# N" b. m- a
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 I, X: F4 R6 G& }4 R - if (ret != 0) {
$ I( }8 `& L A% `! _6 t% W2 o - printf("Device %s write error.\n", E2PROM_DEVICE);, w m, u4 n! h: _; P3 L) t1 ~
- return -1;$ Q6 E1 Y' ^+ Q- T8 M
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- return 0;% L1 j* a4 w# Y: r( n
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- F- n- T# m/ y7 v/ ]' V' n8 R5 A7 y% N2 E- int main()
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- char c;
1 {% g7 I/ h8 s/ X* A - int i, macs[6];
2 E3 ^7 T; }* R# B2 I" N! W - unsigned char mac[6];$ q8 s9 Z2 m7 z6 g/ \
- unsigned char stbid[256];
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+ D6 c5 d4 [. e! c+ }5 t- if (readparam(mac, stbid) < 0)
$ J, V5 k3 u& r, @1 ~, O - return 1;
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) V1 N9 L( A G' h- printf("Current parameters: \n");
' ]0 ~' |) x/ p$ q# V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- h: v* a9 F& i$ `' ]0 w5 L6 M
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 H: @7 N+ K, |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: S8 U' ?+ Q: p. R; _" N7 g3 E
- printf("Input MAC error\n");2 k4 e6 j: C( A* Q' ]- s4 R" Q3 F' d+ ]
- return 1;! {% J$ S3 n& c6 B; F) W
- }
- @- K; d* {5 n7 }1 ^/ x - for (i=0; i<6; i++)mac[i] = macs[i];
& w, m& y5 `0 e( t+ A0 S8 a4 m7 C - printf("\nPlease input new STBID: ");5 Z+ }6 g' s( M& t/ G, R4 n
- scanf("%s", stbid);3 K; @( z+ t: A0 x
- if (strlen(stbid) != 18) {
/ z6 b! e$ d( b3 z* P- U - printf("Invalid stbid\n");/ t) ]5 [+ B# B
- return 1;5 k4 ?6 L5 A# o# C1 I0 W
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- printf("\nNew parameters: \n");1 x! x G. k2 c- Y2 H7 g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* {8 s# o! G) z8 k - printf(" STBID: %s\n", stbid);- Y e6 A1 f/ L+ J$ Q' I5 k
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- printf("\nDo you want to change paramemters? (y/N) ");4 {4 O8 t$ y' \ ^
- for (;;) {
0 J. k7 A1 L1 B* e: t8 U. W - c = getchar();
/ f9 P+ z8 w0 D - if (c == 'y' || c == 'Y')6 I k5 \& W0 o3 u* I- f
- break;" O) r9 c4 k! p& a0 f3 E0 _5 X
- if (c == 'n' || c == 'N') {9 H' Y; O5 C2 [7 c! n3 a
- printf("\nAborted.\n");" T. u: b- {* d* q* G; L+ k
- return 1;- y p4 Q6 G) m9 Y" v6 f) s
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- if (writeparam(mac, stbid) == 0) 0 R- m3 t% S, p
- printf("Parameters changed.\n");' J! U4 k" A) n3 a( A( H5 i6 C. D$ I
2 D" L. r, o' n0 t% W% w3 `3 L- return 0;
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