本帖最后由 0522 于 2012-3-21 23:04 编辑 & j: v0 v$ o/ Z5 h2 u" F; F
) F! s; t) X6 `修改的代码早有了。到今天不会编译。
6 n: f: t0 C- @1 m) B0 q _需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; v" D" Z! o3 y V( k& @4 Y/ K& U- I
- #include <malloc.h>8 \" f3 r* ^% A! g; m, X1 C2 l
- #include <sys/types.h>
, J6 \6 k9 A0 I4 u - #include <sys/stat.h>4 X. D5 j2 r( P8 X! u4 q* t D% o
- #include <sys/ioctl.h>2 [8 D7 x- Q9 [- k' E
- #include <stdio.h>
, o7 |9 X! ~1 ~* `8 e - #include <string.h>5 V; w$ Z0 l- K6 B, g" s$ i4 T3 w
- 8 X6 a# m) v4 n; g
- typedef struct {; q: ^; \) _6 X# r
- unsigned int e2prom_cmd_sub_addr;
# U4 n& M; |$ J- t0 E& s - unsigned int sub_addr_count;
' o4 `( D3 ^- l' N1 z - unsigned char* e2prom_cmd_data;7 D( c+ x, t" a4 D5 u5 l3 h
- unsigned int data_count;
- {3 {, ~3 e4 k; W - } e2prom_s_cmd;
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7 j" R2 T! m8 J1 |0 @. `7 H7 f1 R- #define E2PROM_CMD_READ 1
2 y: J+ M$ z: P2 S - #define E2PROM_CMD_WRITE 2
4 l& P$ }* S* M, F/ o) t( m0 ] - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
9 \$ |& u' _7 v. t2 S1 W; z - {/ u" M9 B- J! k7 ~: R. ]
- int fd, ret; F, o/ e( B5 P/ }1 v
- e2prom_s_cmd arg;
7 @4 @! H- C: ^4 D% S" d6 b - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
7 b8 K% z& `: J/ r( h - if (fd < 0) { r. r0 d, u7 t" y& N7 P0 L
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 a/ }1 U! x6 c# n D" n - return -1;, p/ w( J2 g( q, _4 q1 X0 T
- }
8 @9 Y- d" |0 ]9 `) ]1 ]5 u - arg.sub_addr_count = 2;
0 e* `/ G0 `: b4 s8 O# z - arg.data_count = 0x18;- e' D# @. d: x& R
- arg.e2prom_cmd_sub_addr = 0x290;9 v& d, M3 V9 a1 M- p0 y. V8 f
- arg.e2prom_cmd_data = buf;
6 L u9 \) O5 d: g% g j" @) ]! ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);! ~: `- M2 _: O. S: v8 e
- if (ret != 0) {+ J4 }" J% i2 l6 h+ E: @
- printf("Device %s read error.\n", E2PROM_DEVICE);
, _8 ~3 }, o% U0 L - return -1;
' w8 m0 d" N5 U5 G' c- v: O) X. \ - }
8 G H7 f2 J* q/ h; p! c - memcpy(mac, buf, 6);; H- h1 [# J) [5 m+ W% F% Z
- memcpy(stbid, &buf[6], 18);; ^* Q4 R; v- @! V6 W7 H; G) |
- stbid[18] = '\0';" w: X5 I$ L! q
1 d8 J1 C: l# x7 i- return 0;3 y/ U. r( }8 w+ s3 t9 h
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
) @. K9 S Z( K3 G9 ^! J7 p - {
& O6 ~1 `2 `% G+ g/ H( F - int fd, ret;( s3 ?$ u( \$ {) U8 n; [
- e2prom_s_cmd arg;
; d% r" ]& l' q2 u+ h8 w" l - unsigned char buf[0x18];, X' P- k5 n4 p$ R8 i. w) v
- K3 H, i2 ?% p4 ?
- memcpy(buf, mac, 6);! V+ P8 S$ G; z( w/ [
- memcpy(&buf[6], stbid, 18);
" `1 u' ^! h# R; ]. v! m - fd = open(E2PROM_DEVICE, O_RDWR);
s7 n2 O1 i9 {% Q& K* P6 z - if (fd < 0) {
5 J% q5 t4 I. s' l - printf("Device %s open error.\n", E2PROM_DEVICE);- z2 B% R; y9 _5 K- r9 p
- return -1;
" \) q( p4 ]/ ]8 |& g! g) D - }1 C6 N) w$ ~" m/ V
- arg.sub_addr_count = 2;
& k$ d# e5 b# o; m' [- ~5 j$ E; o* o. q - arg.data_count = 0x18;9 B8 n) m) f: Z. x: o. W3 X1 \4 m) M1 P
- arg.e2prom_cmd_sub_addr = 0x290;3 x; t( O7 R6 I' ?6 i/ U3 `
- arg.e2prom_cmd_data = buf;& o3 X! o$ d6 R- i2 z. ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" M' ]7 E0 D4 E( I, r+ s: h& F - if (ret != 0) {! a l0 G9 v" g! ^( O
- printf("Device %s write error.\n", E2PROM_DEVICE);3 G5 C: }# G/ k$ N
- return -1;
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- / e& ]) l, n% k/ ?! z; e3 {
- return 0;/ c2 c( ^! k; } k6 V
- }6 J' Q6 n1 _- E3 B" @9 v
- , |9 l9 V1 |3 a/ Z
- int main(), [; u1 ] V3 F
- {* Y( {" w- ~- }7 C4 \
- char c;
3 R0 x9 m4 y* r; S3 | - int i, macs[6];
! x5 S4 B5 w, z# b5 J- y( R - unsigned char mac[6];
0 Y$ G& K7 i5 O9 Y0 L& ? - unsigned char stbid[256];
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' o" V. T7 E( u5 U9 k- if (readparam(mac, stbid) < 0)! s7 h) V F& a9 T
- return 1;
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- printf("Current parameters: \n");( b9 p Z* N7 s9 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' Z$ ]2 n0 v @7 @% k9 g
- printf(" STBID: %s\n", stbid);
9 K: P( e$ k) g% ?: b -
* L3 T8 W& S& | - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
]. i9 R: M. e$ U, L( B7 y$ s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- @ ^) g0 g# i
- printf("Input MAC error\n");' P& J5 ]7 j7 w! G K) D
- return 1; N7 W6 S: E1 g4 @! ?5 X Y
- }5 p3 i, L2 V M+ [0 _$ d) Y
- for (i=0; i<6; i++)mac[i] = macs[i];# y! t9 }9 d8 Z% J1 J3 y# H
- printf("\nPlease input new STBID: ");1 ~6 q0 l8 w9 X5 P0 s" r) @
- scanf("%s", stbid);/ }- q+ C; e) C; Y" l# T2 K
- if (strlen(stbid) != 18) {, u2 \" k" z" N& O0 \5 E
- printf("Invalid stbid\n");
1 v l5 V- P' s! L8 Q - return 1;/ M* ~% R/ U. m1 J! u4 n
- }9 m( ~6 m: R4 h, @4 u# c9 Q# g
- printf("\nNew parameters: \n");3 @/ @& j; B/ t- Z; C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% a$ y- B8 ^+ U1 K9 v! r! c - printf(" STBID: %s\n", stbid);) E8 p B8 N F1 n6 o$ j- a
- ' z5 x. d8 g2 U7 m/ {# `
- printf("\nDo you want to change paramemters? (y/N) ");' G# `. M1 D- b* h: z
- for (;;) {$ i" M& O' r9 Q$ i
- c = getchar();
. U9 [' x( H. ~2 n+ u: J - if (c == 'y' || c == 'Y'), J% r: O% y' \1 S" Z& o
- break;
9 A& p7 t: o: \, f( I - if (c == 'n' || c == 'N') {$ S5 i& h( H7 A, B' v1 R
- printf("\nAborted.\n");
# R( y$ B3 t; V& O( d - return 1;0 Y8 n& z9 n' {+ H/ Y- e
- }
2 a) o( s1 J% r" z- [: y! i: M9 ? - }
' \6 B+ r# ?) j% H. X" \, V - if (writeparam(mac, stbid) == 0)
! ^6 {, k: \$ d& U- c+ M+ T - printf("Parameters changed.\n");: x4 h" P% |9 P a% i+ N) {6 {( K. a
9 T& E) i* o- V* d3 p* j- return 0;$ K% v8 @2 x5 c
- }
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