本帖最后由 0522 于 2012-3-21 23:04 编辑
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7 P, h$ v& m: a修改的代码早有了。到今天不会编译。
* P+ R0 n( L6 s) B8 j需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 S6 Y6 m; W3 z! }+ @
- #include <malloc.h>
0 y1 S( }) w9 v: g! z - #include <sys/types.h>
7 z# P$ }# ?7 O) h- L+ s6 Z4 F - #include <sys/stat.h>
9 Y5 t; |) C2 o) a9 r - #include <sys/ioctl.h>5 i/ h0 X% X S I7 v9 n
- #include <stdio.h>! n8 K8 l( Q! i. J
- #include <string.h>, N9 k$ _2 l! U" I, V$ |
- $ ]- E1 S; _1 q; d: d3 e3 o
- typedef struct { N8 m7 }; _( c& ~9 j7 d
- unsigned int e2prom_cmd_sub_addr;
# R2 `! U9 j2 F1 X1 v - unsigned int sub_addr_count;
* d: s8 ^( Z0 c' K - unsigned char* e2prom_cmd_data; e/ G) h e# S/ D5 |' s7 p. b
- unsigned int data_count;' @5 L+ ~3 ~3 n2 T
- } e2prom_s_cmd;
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) v7 Z' q4 t9 V3 x- #define E2PROM_CMD_READ 1
, W9 {/ a% F n% z - #define E2PROM_CMD_WRITE 22 x7 q( k: G! G& C5 ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. p# \; o" v' e; s( N3 }
7 `# Y- X' x& \( a8 `6 l5 R- static int readparam(unsigned char *mac, unsigned char *stbid)
$ o* x7 |/ @% T- _; ? - {
' t( n; ~ @ B0 B+ y* T1 b2 F G - int fd, ret;% x$ h, p8 ~9 c( L- _# m' o
- e2prom_s_cmd arg;) [* F# m9 l. n
- unsigned char buf[0x18];7 q& q& R' B5 X& C5 s C
a2 }5 D1 [* i, V9 {0 \( U4 W- fd = open(E2PROM_DEVICE, O_RDWR);
6 L9 ?: [" ~* L1 K) U6 B6 t - if (fd < 0) {
! \* a+ U0 o, J' J) x& P! T6 k, x - printf("Device %s open error.\n", E2PROM_DEVICE);
1 [' s) O& s) p7 J0 J - return -1;
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- arg.sub_addr_count = 2;
' W( w3 A k' ?2 ~/ F - arg.data_count = 0x18;
- L0 x4 y, M4 P - arg.e2prom_cmd_sub_addr = 0x290;
! G: d! g- w0 p& m - arg.e2prom_cmd_data = buf;
9 O6 ^3 O* z2 w/ W - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' e' w! {; _" O8 X5 J6 |) D/ M- c
- if (ret != 0) {5 w. X- A6 [; K1 W$ Z
- printf("Device %s read error.\n", E2PROM_DEVICE);7 A6 `; z3 A! s9 E
- return -1;
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- memcpy(mac, buf, 6);( Z+ `+ f/ ^5 w/ x! u' u
- memcpy(stbid, &buf[6], 18);
& [# K. A0 S9 l0 C - stbid[18] = '\0';3 A3 B3 s# F5 c$ U
: t6 i# U2 A O- V0 ^- return 0;
* ~- n# b- A$ g: I( ~ - }
- C. } n* E- K* o7 v+ r2 p1 u* G0 m - + k% y2 x6 Z5 ?. c# b
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;0 E! d6 y+ q0 u- T+ x) `. j
- e2prom_s_cmd arg;( E0 p3 G0 [# B* P$ L1 E& L0 W4 F
- unsigned char buf[0x18];
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6 W0 H; j$ j( w$ p9 ?& j7 V- memcpy(buf, mac, 6);
6 v% Y5 P) ]4 w! S - memcpy(&buf[6], stbid, 18);
& H9 _; q- k) z( l - fd = open(E2PROM_DEVICE, O_RDWR);
* g8 F, M) v; S7 T( q8 N - if (fd < 0) {0 \4 b T4 I1 b: }' q
- printf("Device %s open error.\n", E2PROM_DEVICE);
) p# D$ J5 r% o8 { - return -1;
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- arg.sub_addr_count = 2;" v K) `/ M. C3 c& e
- arg.data_count = 0x18;
2 r3 |+ a5 @0 e" Y - arg.e2prom_cmd_sub_addr = 0x290;
& \4 V2 Z' }* ^% ? - arg.e2prom_cmd_data = buf;
; {& ~3 `# D ^7 t: |2 k& v. i+ w$ a - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
W: m/ N# P w0 E; Z3 ~8 x - if (ret != 0) {. g6 S8 s# A. T3 y' S
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 J: T/ d9 ^# i5 k! g# t8 @ - return -1;! P# u% M7 n' k4 l0 z6 d
- }
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- return 0;
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e( O* f9 Y/ g7 z T- int main()
3 z0 w+ G, f! ^# y. m2 O. _ - {
. l8 m) W6 W& H: P9 o - char c;* q6 J; `* u* h
- int i, macs[6];
# d1 s' Q$ S1 n$ l - unsigned char mac[6];
& n) C2 ^: p5 i* n$ ? - unsigned char stbid[256]; a9 [0 ?" D, h3 _8 p1 B" u' C
- * \, g' ?. D0 H# T5 O' q, |' G
- if (readparam(mac, stbid) < 0)
) ~, B$ d( D( ?4 C2 _% c9 A( _ - return 1;
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( X# `, f0 r7 T# Q0 J- printf("Current parameters: \n");3 q; d2 P5 V1 K5 b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: u* w5 W. d0 D* M - printf(" STBID: %s\n", stbid);
( M p' b3 ~% k8 X, V0 M+ M -
' h3 q1 H% u7 D9 B2 V9 C - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 U8 J; n/ A& ^ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! f) ?# V9 q6 I4 Q% q
- printf("Input MAC error\n");& D! {5 N# A" Q8 b8 I# L9 g+ w
- return 1;
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# i' `9 i4 f8 h1 [$ Y3 t+ ~+ F% Z% k - for (i=0; i<6; i++)mac[i] = macs[i];! d/ a, h% Z! L. T4 c2 N& v
- printf("\nPlease input new STBID: ");3 L. U' n: @5 Y
- scanf("%s", stbid);+ |9 M, _7 G" }- @7 e" ?
- if (strlen(stbid) != 18) {4 `' i, `9 q' f2 T3 m6 n
- printf("Invalid stbid\n");# ?' g. A3 G) T- W+ n l6 g. _
- return 1;% A' Y5 @1 f3 | F- X) ^
- }7 y. L7 Y: u! V1 Q
- printf("\nNew parameters: \n");5 w2 |/ K" N5 `1 b6 u+ i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 M+ \/ L$ t' \
- printf(" STBID: %s\n", stbid);& k# S% @3 a/ G1 {) [, @- r
- 7 t7 F0 b, A9 f+ B3 C
- printf("\nDo you want to change paramemters? (y/N) ");1 Y( V) X; a' L+ ^
- for (;;) {
7 h: W( f- q7 B( r - c = getchar();
" U" y. D5 p% ]+ D5 S) G' Y( ^ - if (c == 'y' || c == 'Y')
3 u _9 U8 `% ^. r9 a7 o+ h. m C: X9 W! d - break;; }: Z- U" _3 H. X4 G R
- if (c == 'n' || c == 'N') {
x# w$ P1 w6 W# B - printf("\nAborted.\n");3 \' ^& o& \& {) z
- return 1;3 E( U0 m2 o( }7 H! V
- }
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- if (writeparam(mac, stbid) == 0)
/ t3 Z, y, g- u/ N- m. ` - printf("Parameters changed.\n");, q. H1 Q( J% [% ?5 J1 ?! [$ V
+ r, d3 o0 B$ T1 K- return 0;
: o& S0 T0 I7 h% x9 S/ m: k - }
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