本帖最后由 0522 于 2012-3-21 23:04 编辑 0 k4 o" H) ?' o0 _% e q( @
6 |& b5 e* f# F) F8 }( c7 Y修改的代码早有了。到今天不会编译。
: [! s5 L, z0 O2 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
M% V. b! k: O - #include <malloc.h>6 q' o& h8 h! B
- #include <sys/types.h>: e7 l2 ], U0 e' ^8 n6 M5 e; }2 e
- #include <sys/stat.h>
" u% p, E$ `) u - #include <sys/ioctl.h>
, a* S/ M% r) {/ t& f3 ?) I' M - #include <stdio.h>* _4 e. O0 }2 X
- #include <string.h>
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* r7 h! H' u) j+ N9 M- typedef struct {9 Y e. f( _5 B6 i# ^
- unsigned int e2prom_cmd_sub_addr;0 f$ c. v2 v0 l4 p. O y& b1 g2 ?
- unsigned int sub_addr_count;- N' N5 s! M; z
- unsigned char* e2prom_cmd_data;' ~5 m6 s. {! M
- unsigned int data_count;- P) n9 p4 Q2 U# g3 j7 z
- } e2prom_s_cmd;5 g& K# r" g8 K1 ?8 |
- 5 U# z* s7 A1 v& f1 a7 Y
- #define E2PROM_CMD_READ 1
4 `! n5 q9 ^. i0 q) d, s - #define E2PROM_CMD_WRITE 2' [4 @' |: A8 \/ C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
. L1 m, } y$ r. r: f2 ` - {
) U7 a$ p6 g7 Q5 q# f - int fd, ret;
6 x1 c$ E+ n2 M$ Z* V8 S: h - e2prom_s_cmd arg;& O% J+ P8 ], d4 _% a1 U
- unsigned char buf[0x18];( ^8 C6 f0 C* w; [% G" D0 V5 ^( l
/ L( t9 ~6 e3 u( l; z- fd = open(E2PROM_DEVICE, O_RDWR);
+ D/ b q/ q# [8 v - if (fd < 0) {1 i& ?( {$ `$ A- l4 g
- printf("Device %s open error.\n", E2PROM_DEVICE);! a9 u1 \; j: }& v/ X
- return -1;6 \8 Z) e, f' b0 ?7 ^
- }; X k# ^, B( b, h, B+ K
- arg.sub_addr_count = 2;
+ G, t J+ x) `: l! R - arg.data_count = 0x18;
: e$ D# h& I, Z* C - arg.e2prom_cmd_sub_addr = 0x290;
% }% b% {% ]9 }! ^ - arg.e2prom_cmd_data = buf;" e$ M' `3 D4 F! ^; A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- O. d; ^5 G; f8 e8 ?' B - if (ret != 0) {
e, z. m7 v% u# _# [ - printf("Device %s read error.\n", E2PROM_DEVICE);8 r0 f7 k6 p0 P7 }% k
- return -1;
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- memcpy(mac, buf, 6);
$ ~7 F0 Z) B8 V+ J - memcpy(stbid, &buf[6], 18);
. f/ S. e2 ]/ J! a8 I - stbid[18] = '\0';1 S& F* C' B' J9 p$ n4 ^
% z0 i m& L/ M/ S5 s# o* y' X- return 0;
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4 f# b }4 k8 D$ B8 L9 }, w, `% G9 `- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
8 D9 \) @& p/ F5 p) J& F) C - e2prom_s_cmd arg;
0 }$ j; Q4 H9 }$ h - unsigned char buf[0x18];; |7 O8 U4 D# c- G' M/ _8 C- M
- $ J# D" l! ]! M6 b
- memcpy(buf, mac, 6);
+ S) d4 j' H# z% E5 f - memcpy(&buf[6], stbid, 18);! A2 M+ ?2 w2 v- D% j! E; p
- fd = open(E2PROM_DEVICE, O_RDWR); }) m9 c n/ C' ?# x
- if (fd < 0) {
0 X2 z4 ^& q2 o$ ?2 K* | - printf("Device %s open error.\n", E2PROM_DEVICE);. _% F- r" \: Y% R0 j( p
- return -1;
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- arg.sub_addr_count = 2;
( K" P# b2 h6 O* j6 R6 r* L1 k0 [; K - arg.data_count = 0x18;4 P( k! W& Z+ O3 i& q% l) B% Z5 b
- arg.e2prom_cmd_sub_addr = 0x290;
1 c3 y) K, m( z* t6 G' X - arg.e2prom_cmd_data = buf;
: D* y! m# q8 h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& u& ?' o- W% Q9 N, R - if (ret != 0) {
! t' k) \+ w; u; k( T% N _! } - printf("Device %s write error.\n", E2PROM_DEVICE);
+ q" l# a- ]3 z) T" ^* [# ~- { - return -1;* l% y& d' B+ w/ X3 [3 p
- }1 |. z1 T4 V( _, m8 t2 X
K3 O7 U! }2 W- return 0;
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+ P$ |' Q5 G8 F, J* g; ^- int main()4 F' F, G# P7 o2 U& t* Q
- {
5 ^& L9 E+ q+ D! X, k5 | - char c;7 g( j, q! i. k$ P% s4 x
- int i, macs[6];0 v3 Z& B2 F8 n
- unsigned char mac[6];: \. }! g3 i$ H' {, x
- unsigned char stbid[256];9 f' ~5 v. T! |& A% q% h; s
- 7 r0 j( J$ K" Z! z
- if (readparam(mac, stbid) < 0)6 }/ x5 z8 g+ K# Q/ t
- return 1;% |9 a2 l) `+ o4 e
4 U; v# E' Z( U- printf("Current parameters: \n");
0 E' j B5 f% N2 @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& a2 T1 l! ~9 } m& z - printf(" STBID: %s\n", stbid);2 V/ T: f! p8 [ Z6 F3 P- M
-
$ M) V9 K5 G' A# O0 W; J - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" {3 `5 g- [, @3 J: Q O
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. F. ?, P1 q8 h7 A - printf("Input MAC error\n");9 }$ ~6 j u: P- c [3 `
- return 1;; L$ O6 u: l, T, V @6 K9 Y h0 o
- }
1 \9 t4 h8 ~7 q- k- f; l2 P - for (i=0; i<6; i++)mac[i] = macs[i];# `% S: P4 C* f* a6 h$ }
- printf("\nPlease input new STBID: ");/ Q# F; @. B- _* P t5 W
- scanf("%s", stbid);& a6 W! ?' ^1 i( n" Q$ {
- if (strlen(stbid) != 18) {
4 Y8 X; S( b7 B* W# }, |/ Q4 j - printf("Invalid stbid\n");. A1 D& c# L R" T2 T
- return 1;
6 {! Q' \5 y4 U. U* S |% c0 o - }
& E6 E7 H1 Z1 B! [3 M5 o - printf("\nNew parameters: \n");' G H8 K, ~5 ~
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: @1 Z- f% ]. N: r6 I& M- Q0 |
- printf(" STBID: %s\n", stbid);4 C' i# |2 a2 e; w) f X& C2 J4 j
) l. i3 N" X( X. t- printf("\nDo you want to change paramemters? (y/N) ");
" t+ ^5 F/ [1 I. K& c5 h- D - for (;;) {. R$ j( _" h" Z* N' B+ `
- c = getchar();1 `5 N w, J( b5 t/ p
- if (c == 'y' || c == 'Y'): j9 ~. i% X* x5 L$ V
- break;
1 B! u4 c$ U. u7 G - if (c == 'n' || c == 'N') {
* @2 s% C+ o6 ~# W( u: p - printf("\nAborted.\n");8 G4 L! W( V, ?& o# S$ |6 |" S
- return 1;$ U, P9 v/ `2 a- k. q
- }1 A0 l. j; z' s
- }6 ~1 s6 g# Q7 Q) z) q, c6 N" _
- if (writeparam(mac, stbid) == 0)
5 }' u' {+ ?' b" [ - printf("Parameters changed.\n");6 @' M$ p {5 ^) X, Z: b( I# J
I( H8 f9 J% {9 |4 Z* H( n' u) B- return 0;1 m ], e H0 O8 i. K7 z
- }
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