本帖最后由 0522 于 2012-3-21 23:04 编辑 # ]7 h# X( K T
2 [( k0 f+ o$ U1 W修改的代码早有了。到今天不会编译。
; a3 B) U; x f, v/ W t& y6 t( P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 j8 P; r! x2 N - #include <malloc.h>1 G1 {3 P* e2 W0 _1 u: k
- #include <sys/types.h>! D& e2 D; m* M+ d
- #include <sys/stat.h>6 a; {$ E- L# C' f9 h& d
- #include <sys/ioctl.h>; J$ y' O/ Z# B; _
- #include <stdio.h># B( J& F1 u' q; O5 Z
- #include <string.h>
0 r/ e0 T' e, o7 B; K! G - $ H$ K& ~7 \# N% u
- typedef struct {
3 U, w0 D7 W; p$ M9 ^+ i9 l8 w; r% ^ - unsigned int e2prom_cmd_sub_addr;) k3 ], i! x9 Z' |( k
- unsigned int sub_addr_count;
* ?1 L' `5 R3 d3 |/ A1 _# L - unsigned char* e2prom_cmd_data;
Q( x6 j- U. ~7 G0 d- \ - unsigned int data_count;
8 x9 H: @* I j% H# J3 [8 z- E - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1) L, S( c, I% b, J
- #define E2PROM_CMD_WRITE 23 n0 W' ~! q3 q& @) z) c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid), a& T1 M! A5 q+ S( X
- {
5 H/ u4 f0 f0 G6 p3 B" |- f7 a - int fd, ret;, a* U, n" n, q1 L
- e2prom_s_cmd arg;, C8 Y. q$ }& s
- unsigned char buf[0x18];( q2 Q' a; R0 A2 I D" X
% ~# m! y8 D, k1 P8 [% T/ y- fd = open(E2PROM_DEVICE, O_RDWR);
5 u3 z( ~0 u3 V - if (fd < 0) {
, K, z$ B; i4 K- k - printf("Device %s open error.\n", E2PROM_DEVICE);
# v B# Z4 @ @4 q4 w - return -1;. q3 R! h& c, ?
- }
/ Q0 \- P, M: Y9 x, f7 }9 g m - arg.sub_addr_count = 2;, a2 Q2 B4 E+ G$ ^
- arg.data_count = 0x18;
7 N: _+ ` ]1 K; ]: z - arg.e2prom_cmd_sub_addr = 0x290;
# {' ]( I; h) O* q9 s$ S - arg.e2prom_cmd_data = buf;
1 O( S' K5 v* l: E ^+ X; N* G6 }7 Y - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! _' ^8 W$ a( U$ N6 ]" V - if (ret != 0) {
1 Z- G+ h& K6 q3 E, ], P - printf("Device %s read error.\n", E2PROM_DEVICE);
& E& [ J" @; f" a - return -1;! g) H% G1 p! n0 P" H: o- }/ V) r d2 B
- }
5 x, W d6 Y: `0 N - memcpy(mac, buf, 6);
; P# I8 c2 v2 F - memcpy(stbid, &buf[6], 18);) b7 H, j! x8 a3 f) K6 |
- stbid[18] = '\0';
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, X7 K, b2 u" b, F0 V+ H- return 0;
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- 0 I" F) p4 l0 V. k, a/ v
- static int writeparam(unsigned char *mac, unsigned char *stbid)9 R- m( W5 h, i% s3 [, ?. N: l
- {
5 k7 s7 K' H" q# y. V: c - int fd, ret;
1 i5 M x) T6 {6 n0 \ - e2prom_s_cmd arg;# j+ x8 x$ N% c$ J
- unsigned char buf[0x18];
: _& J6 P7 t# F1 r7 Y; A, ]! y6 o - 2 Z7 u- Z3 ~; L* W
- memcpy(buf, mac, 6);
. u+ T8 Y' A/ R1 ^4 g; G - memcpy(&buf[6], stbid, 18);! g7 G) B( W2 {3 K2 X" w
- fd = open(E2PROM_DEVICE, O_RDWR);
6 H8 a7 b y: F) W: M' ~: E - if (fd < 0) {
' Z+ R- e: Q1 A+ j+ U# N - printf("Device %s open error.\n", E2PROM_DEVICE);
: W5 R' S5 E \& i& Y - return -1;2 R5 s, X8 U( M ^4 n! F. J+ k! |
- }
3 R5 P# E! J3 u. c. U, r - arg.sub_addr_count = 2;1 K4 O6 D/ T4 g
- arg.data_count = 0x18;! M! p/ t* W2 ~- X
- arg.e2prom_cmd_sub_addr = 0x290; C* Z5 w: q7 V* M
- arg.e2prom_cmd_data = buf;
% z4 a' f4 l/ F7 _. C# j1 T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 f- _. e% \$ a
- if (ret != 0) {. L. E$ I% K* V9 U2 a" V5 \
- printf("Device %s write error.\n", E2PROM_DEVICE);
* B6 u9 Y% C; d; i) u - return -1;' z }# T- g$ ?6 b. b% w; o* B- v% C
- }/ r3 Y' g6 c. C% U: ?
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- return 0;; |; P) D3 R8 m1 P i4 u
- }
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' P$ i& }5 F! F3 D7 O) m3 _) }- int main()1 B$ @( h1 Z; Y, N) ^$ J
- {
/ o, R) v! L1 P3 G. _ - char c;
6 v+ [7 G% ?4 W! _ - int i, macs[6];
5 w# s$ z7 M; V/ G; F- n0 }: n - unsigned char mac[6];* H( ]* r" E$ N" B
- unsigned char stbid[256];' o$ ~# b& f* \: B3 W% H
- 0 R& W# b2 |1 ~0 \4 x
- if (readparam(mac, stbid) < 0)" I' {, m1 l7 G2 d$ j j; h2 x0 M
- return 1;/ V# J4 C: [" I, M9 y4 }
6 e$ h- C" X+ D/ A- R$ |- printf("Current parameters: \n");' g) w5 a6 ?2 a) u0 T( u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% @7 C6 g$ w6 C3 ~2 X1 [
- printf(" STBID: %s\n", stbid);& _! f' M1 w* W7 s0 o9 n
-
$ }) G2 d' @9 b- D- \0 }! y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 E* ^. h( A0 z* i* l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- H7 z2 z- m: F. Q, M7 D/ x
- printf("Input MAC error\n");
- u% q# s F2 B4 j' T( a+ J - return 1;
0 r; y# X1 C3 p, J1 F# |' a1 O - }
+ ]' ^) [! n4 `8 a: N. _8 t8 { - for (i=0; i<6; i++)mac[i] = macs[i];( G8 E8 B8 U8 r1 z, W- ?6 h
- printf("\nPlease input new STBID: "); Y8 C/ W5 _3 n
- scanf("%s", stbid);2 x) g# L' Z8 {3 V
- if (strlen(stbid) != 18) {
+ c- G. V& a. g9 C& C0 h - printf("Invalid stbid\n");
- l, u# W$ ~2 O! R - return 1;3 b& o8 N* q0 s0 L
- }
5 T' v, ]% Q/ f; ~3 A0 B& K - printf("\nNew parameters: \n");* E% p* g0 X, b# r( `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# H" b8 @( X* K) T
- printf(" STBID: %s\n", stbid);
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7 K" X2 w v. p( t- printf("\nDo you want to change paramemters? (y/N) ");9 v( R1 `* @& _
- for (;;) {
7 l W' {0 J3 h7 p$ } - c = getchar();
! [, ^ }9 D: f0 K( D9 ` - if (c == 'y' || c == 'Y')7 J% r" {/ d% \) A% m
- break;1 W: f/ W" E0 V* q
- if (c == 'n' || c == 'N') {4 R8 T7 q8 l8 x; G6 ` v
- printf("\nAborted.\n");
* {' K9 z1 B* c- i' V9 _. b - return 1;; D$ m9 B6 G! ^% u- k
- }4 |7 G/ |+ L5 y; u0 q$ {
- }# P; ^3 a0 t) \/ v. \
- if (writeparam(mac, stbid) == 0) 8 Y8 h' e! Q- q3 s# o9 Z/ G
- printf("Parameters changed.\n");+ R9 C& h4 k$ H/ @$ b% G5 W
- " n# _9 H2 l3 f+ q% x- x2 {8 ?
- return 0;
3 {. `* D* V g" T; z - }
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