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。, e+ [9 J" C. l% P
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# V) X$ x. A3 T9 {+ b: I - #include <malloc.h>% p4 ?" k2 _3 g$ \/ }
- #include <sys/types.h>! ~" g2 u% D4 M D
- #include <sys/stat.h>9 A6 C! R: u+ I! B" ~
- #include <sys/ioctl.h>
P1 L+ M/ A1 x" e3 Z& q - #include <stdio.h>
& r6 l" v( C# X - #include <string.h>0 r' w# j! C7 ~% p: @! D
; ~% L8 ]9 A' }( [( S- typedef struct {
. m' h. Z7 k, z1 _# M" [9 r$ X* ~ - unsigned int e2prom_cmd_sub_addr;& T3 S1 h: D! t! U- d
- unsigned int sub_addr_count;
2 b, C3 d8 o7 Q - unsigned char* e2prom_cmd_data;
9 G S9 k/ N5 }, M+ L0 _* h - unsigned int data_count;
. G1 e- N* a& n0 Z - } e2prom_s_cmd;6 i W1 H# p5 q7 \7 Q( V
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- #define E2PROM_CMD_READ 1
( [. l# a6 f1 x3 Z7 B4 J8 @* D - #define E2PROM_CMD_WRITE 2* e2 t4 o w$ b" b d& t1 j- ~
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 R5 ]+ G5 b0 {0 y( b
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- static int readparam(unsigned char *mac, unsigned char *stbid)+ u; b& z5 f" j
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- int fd, ret;0 n7 W! G5 u1 D" N" P' g
- e2prom_s_cmd arg;& f2 G' {$ S' i: n( C/ n! H
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);0 b4 ~, F$ v% X( T9 _3 @
- if (fd < 0) {$ E r4 Z. O {9 O* V0 {5 N
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 T+ M; }3 y$ ~; g - return -1;
! |, u. J( _0 |/ P - }
; M! ?: k4 X2 X' K& e - arg.sub_addr_count = 2;( P, P5 e! D8 R d% D3 ]3 Y& h
- arg.data_count = 0x18;. D( r" g% A5 ?# M6 m. P% ]3 k9 w
- arg.e2prom_cmd_sub_addr = 0x290;
4 g0 q: ]5 p( N1 ^0 J2 Q- I - arg.e2prom_cmd_data = buf;$ P. P( l8 z1 }8 t/ v' w8 |- N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' [4 d. D( C# r. O; l ?- p" V - if (ret != 0) {* J1 `: t" R% X' \, V. ?3 n! _
- printf("Device %s read error.\n", E2PROM_DEVICE);
: V; {- R0 J; I2 n' g* I( O/ e - return -1;
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- memcpy(mac, buf, 6);
$ C6 Y8 D1 @; O9 M9 t - memcpy(stbid, &buf[6], 18);4 X& F5 R) ~+ e$ G. P/ C- f& ^
- stbid[18] = '\0';
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- return 0;1 V# s" G3 ^# p
- }
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6 V5 _4 r8 ? e M- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
) D4 S3 X1 N7 Z2 r# z/ Q2 x/ M: S - e2prom_s_cmd arg;
( B. o7 V$ B1 P: f8 Y+ x# y - unsigned char buf[0x18];
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- o, F( A' f; Q, \9 y2 U; x X- memcpy(buf, mac, 6);( x S7 _- u) D4 A" f& I/ k: k* f
- memcpy(&buf[6], stbid, 18);
1 [3 K7 M) a% L - fd = open(E2PROM_DEVICE, O_RDWR);7 A( e% d1 x, [+ A. j
- if (fd < 0) {
7 n: A, U+ P! ? - printf("Device %s open error.\n", E2PROM_DEVICE);* E9 N6 K5 r' @/ E) T% f
- return -1;
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- arg.sub_addr_count = 2;- b- z+ B! F7 z- }8 z
- arg.data_count = 0x18;
7 y) @; l3 l9 d7 t; S" v# P - arg.e2prom_cmd_sub_addr = 0x290;( B( b5 h1 C5 Q, v: C: u& ^
- arg.e2prom_cmd_data = buf;
) L3 q* J- H0 l+ \8 ~! P, I - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! h8 T; x j0 n" _3 Q; D - if (ret != 0) {/ k! |, V$ c1 |$ Z+ X
- printf("Device %s write error.\n", E2PROM_DEVICE);: S& v4 P. x+ p* a
- return -1;5 G8 c7 |3 H9 X7 V) n
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' p8 D+ r+ x0 |6 J& A9 h! J- return 0;8 j# V0 K) |7 G7 R
- }
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- int main()& F" [: T: Y* K* g! K
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- char c;
O. p: O; b6 N8 k/ A! c - int i, macs[6];
) c. h2 o; `# q% R7 Y) H( F - unsigned char mac[6];) E( J4 _4 v4 y& i* @ P/ W
- unsigned char stbid[256]; l/ @9 S5 o S/ B
- . |- x( {3 U+ W: l7 c1 i
- if (readparam(mac, stbid) < 0) @6 [4 t8 U3 b4 B
- return 1;
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+ A8 a5 S1 Z+ l" X* ~/ j- printf("Current parameters: \n");
4 t( ] J5 u. h0 q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& x3 C6 }6 U- z9 x - printf(" STBID: %s\n", stbid);
5 ~5 B, K& `5 V2 G% R+ b - , p1 W. p/ O0 y6 E0 y0 x; o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 I# `% ]* J( @- J! P" K. X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' R; P6 h" L# j$ X - printf("Input MAC error\n");
* Q! X$ l" q* F - return 1;/ s* d+ E7 N! [# ]4 w) ^
- }
, m! |; W* O) i$ R% g. _( V. c - for (i=0; i<6; i++)mac[i] = macs[i];
' X; m2 j& X V& F - printf("\nPlease input new STBID: ");
1 b+ g6 f. X ]) H9 q1 ` - scanf("%s", stbid);( K: Z8 L$ v' r. k
- if (strlen(stbid) != 18) {
! h7 T3 y$ W; z! ^! O+ ^+ S( d - printf("Invalid stbid\n");
' L2 J( d# r5 k( ^ - return 1;* V. P- S, {2 f, Y" u/ O5 a- _0 A
- }
! W# F- W1 D, M" _, r' g+ d - printf("\nNew parameters: \n");
9 Q" l( |9 M8 C: I$ P, A f& Z; | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# ^5 ]- p* _, V' N( y1 C4 Q/ W
- printf(" STBID: %s\n", stbid);2 z% |" T( `, c9 b# j& a, x
* f0 k1 l( k* t `; B: }' {4 \- printf("\nDo you want to change paramemters? (y/N) ");) h9 _4 O* `1 V$ N" n8 Q
- for (;;) {* b+ c6 A5 H* v4 s; O
- c = getchar();( w* f ?0 w! S7 {8 [
- if (c == 'y' || c == 'Y')
H( G$ L9 y: Q; T - break;
& r0 r* D$ ]& ?4 X9 |$ \8 R - if (c == 'n' || c == 'N') {3 |/ M6 y9 i0 W. U/ [
- printf("\nAborted.\n");
: e ?( y( Y7 ^ - return 1;6 M/ C( o8 z/ w$ w
- }
# o4 A* R, q9 u: [+ R$ y( O - }
; B/ p$ G# u& b. a( U9 R- m; Q - if (writeparam(mac, stbid) == 0) 0 f) l) a7 E+ A7 s O$ R
- printf("Parameters changed.\n");
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3 @+ H! M' l$ m2 D e! v- |" ]- return 0;5 x& `$ D9 o" B& M/ c j! p/ k, q
- }
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