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。0 h" d' L" v8 @
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- K* _2 Y! T) Q' R4 Q
- #include <malloc.h>
/ Q; j2 X; Z+ u% v* N) v - #include <sys/types.h>: r: g) O1 F* r+ W+ P
- #include <sys/stat.h>+ q9 `, w" G) J6 e: z
- #include <sys/ioctl.h>& [6 a% g \2 r( T9 d! R
- #include <stdio.h>& b6 F! i7 p: N. u n4 S( h. x
- #include <string.h>
1 q' ]" k- }; H* _ - $ V' ?% t& T1 }8 {$ W
- typedef struct {4 p0 v) ? O4 p9 P9 o, V. L( g
- unsigned int e2prom_cmd_sub_addr;
& m3 p+ {( _2 z& m+ c; y! S+ r - unsigned int sub_addr_count;
1 L8 X0 h' p: w1 S. [ - unsigned char* e2prom_cmd_data;4 a0 c5 |: ^' g, B( }. c- Z
- unsigned int data_count;3 F. \" k4 K) d+ A( J
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
% h2 B4 y, g3 b: {; j& b - #define E2PROM_CMD_WRITE 2
1 D+ i. l7 o1 B4 M x$ } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)! j: ~) u' k( D
- {
4 h1 C' u) w. G6 g, _ - int fd, ret;
9 w# h+ B1 P& g* X - e2prom_s_cmd arg;9 m8 R2 O+ s0 A d
- unsigned char buf[0x18];! `" U# z9 X3 W1 b, z# t
- ' V/ W1 ] K o5 |( v
- fd = open(E2PROM_DEVICE, O_RDWR);' n/ T2 v0 N! _% G0 h/ y8 e! ~
- if (fd < 0) {
) L& m3 C) f ^ y - printf("Device %s open error.\n", E2PROM_DEVICE);" j& M* n* k9 `4 M0 O
- return -1;5 ?) e; K' K% |3 v
- }
& g8 G2 C, b! K) l) i5 e6 ? - arg.sub_addr_count = 2;
! l/ ^3 w/ G) U7 F( X - arg.data_count = 0x18;
0 z( Y1 b+ Q* G' ~9 X - arg.e2prom_cmd_sub_addr = 0x290;- ?) }; b' k$ U3 k2 a
- arg.e2prom_cmd_data = buf;# t4 _6 [0 u# X _& b$ r E
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 E: b" A8 \$ @
- if (ret != 0) {
$ m: M' T7 W0 O; c - printf("Device %s read error.\n", E2PROM_DEVICE);
- l# S: j0 R( A* i5 c1 Z4 E A1 T - return -1;
/ Z$ J' \- }' x% | - }
% j* X4 P! r* \+ |0 B - memcpy(mac, buf, 6);. M: {3 f& u, V1 p# L( K8 {
- memcpy(stbid, &buf[6], 18);* _ G- o+ @. |+ Z1 C/ I
- stbid[18] = '\0';
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" U+ Z6 c! O' N- return 0;* B! B1 F) m5 m! u& h- R5 T
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)6 H% N" v% M. b. V' p, @7 R
- {
; _6 X) W' @" W* C4 w1 R4 u( G7 H - int fd, ret;% i, O( V4 V. g$ l
- e2prom_s_cmd arg;
( p# M" V1 D9 C2 G - unsigned char buf[0x18];
3 ~2 P" j7 t2 M2 ~# {
8 [" a9 J9 W" C- memcpy(buf, mac, 6);
( L6 }9 s3 _- A' `3 D, O! P - memcpy(&buf[6], stbid, 18);
. E( |4 f) m5 a$ K F - fd = open(E2PROM_DEVICE, O_RDWR);
5 C% R6 p" O9 t ]3 s - if (fd < 0) {
& r% d- U2 @4 n9 g# z4 p - printf("Device %s open error.\n", E2PROM_DEVICE);1 C$ R9 O5 l0 ^/ ]; L8 F
- return -1;: ?/ q6 M! q1 r3 p o6 W: S2 J7 c8 Y
- }
( }/ P8 G6 }1 T' T0 C# B - arg.sub_addr_count = 2;; K( v4 k8 l- Z, @. T! I4 o- k' P
- arg.data_count = 0x18;
% y5 I' B5 L/ E2 l6 O; s8 X - arg.e2prom_cmd_sub_addr = 0x290;
. R z( K9 @8 \! b - arg.e2prom_cmd_data = buf;
" C( ?, _5 }/ y1 U& o* h2 w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ Q; f; w( H( Y& z
- if (ret != 0) {
! l& _' H% b$ {+ l - printf("Device %s write error.\n", E2PROM_DEVICE);
: n% D/ C. @5 G$ V/ H - return -1;2 u. @0 Q S6 C, u) a) Y9 ~$ o
- }
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! }% w; b+ ?9 D" z- return 0;$ G) m% @7 g; G. b
- }
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- int main()( u7 v$ t# X( [
- {
$ D2 C. F3 y- X5 _" \ - char c;& E' \- c5 m. B' ^9 X3 T+ O
- int i, macs[6];5 s0 F7 J& d6 W5 J
- unsigned char mac[6];
8 L0 |: a& c3 H* g. n% N; T! n& q+ q - unsigned char stbid[256];
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- K/ f2 P. a% k- m- if (readparam(mac, stbid) < 0)
4 e; P. m) j( Q a. @( e) Z8 r! f - return 1;
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8 q6 w& \. I7 T# @5 \- printf("Current parameters: \n");& c7 m& M+ P; T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# b- m5 E: w* _) n
- printf(" STBID: %s\n", stbid);
( n, d$ u6 a% n) o( b! r& E# ]% E$ J -
2 U6 S& \4 y0 W& V! N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- l1 D- G/ U/ A/ n4 r& m# g* P( ^3 V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 k( `' F# a7 X4 Q - printf("Input MAC error\n");7 j, E; g' _+ X3 k0 k
- return 1;7 M9 w: o9 s1 K3 r" G4 S9 m6 ?2 i
- }
`# g2 S; M& C5 U: ^8 B; ^ - for (i=0; i<6; i++)mac[i] = macs[i];
8 `1 H+ w3 D2 E! e8 s; R - printf("\nPlease input new STBID: ");7 r+ t* p* |( N5 P, C
- scanf("%s", stbid);: `$ y* ?& B* s1 s+ x# J. E
- if (strlen(stbid) != 18) {( d7 k( b# v& U. P8 }. p( K N
- printf("Invalid stbid\n");
4 Y, S6 D& ?3 p( H - return 1;4 |# c7 t8 F- ?! }6 m' L. i' W
- }
2 H0 x% X* H: T1 A - printf("\nNew parameters: \n");; \* w. Z* M( d, \& B1 M d( Q. {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 M4 J( Q* Y3 K+ d2 O
- printf(" STBID: %s\n", stbid);) T% T9 K* R* F" q& F9 ^; p
- . Q+ U- J$ N4 k9 C, v2 Y2 O; b( z
- printf("\nDo you want to change paramemters? (y/N) ");& r0 K$ s0 M: f z* P) M% ?3 V
- for (;;) {5 i7 P8 Q1 h1 ?5 ]6 p
- c = getchar();
+ {2 e" |( N) Q8 \9 | - if (c == 'y' || c == 'Y')
6 }$ i/ `' V) ]1 q0 C - break;
4 {) @8 j' B' g& T+ L - if (c == 'n' || c == 'N') {# g z/ c/ v6 @ Y9 ~9 l5 M$ V& U% r
- printf("\nAborted.\n");
; L7 A2 S6 x/ y - return 1;
7 t3 o7 }) l5 R2 j3 w - }
4 @3 x0 z1 S! I5 ?! r - }' |" j* h0 z- T8 }' _& ^9 ?
- if (writeparam(mac, stbid) == 0) 5 R; t, w4 l# P9 y
- printf("Parameters changed.\n");
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% ^' e% {9 f* r# D. Q q! y- return 0;
. c e8 r& J+ h - }
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