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。+ y* F: X# L2 M W1 I. q' e& k
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- B" _; [: g7 p: V& S9 @ - #include <malloc.h>% U$ e! L9 ]4 b- k6 I5 x, }: n( ^ U
- #include <sys/types.h>' M: X0 ?- N& \. K& r1 G" m- o
- #include <sys/stat.h>
% I: E2 B% ]$ C: j+ q4 r, ^& m( L8 Y - #include <sys/ioctl.h>
7 o7 I- R/ p2 G2 ]4 z" c' m$ t$ R - #include <stdio.h>" X; y7 a& g+ v/ R8 B
- #include <string.h>
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- typedef struct {
, e6 p# u2 ^: x Z3 g# Z+ A - unsigned int e2prom_cmd_sub_addr;
+ v0 I9 q) N6 W5 o/ i/ J - unsigned int sub_addr_count;
8 ~4 n3 _2 V/ @" @2 f# J7 r! I% h) j/ m7 v - unsigned char* e2prom_cmd_data;
+ I: o1 i5 ~' a- K G, [# ^ - unsigned int data_count;( h2 `" v# J8 [( v# }8 E2 E
- } e2prom_s_cmd;1 [. v" Y+ ?, n
- & r% r" w Q$ B; O! s0 f8 D* Y8 g0 ?7 W/ k
- #define E2PROM_CMD_READ 1- `4 _) E$ G/ J- V3 M) z. j% d" G
- #define E2PROM_CMD_WRITE 2/ R: _) a2 V) w" n- z' l% n$ [& m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": b4 R; B7 C7 [, H2 B) m ^& x# u
0 P6 @* Q/ w: k- static int readparam(unsigned char *mac, unsigned char *stbid)$ z7 A) w# I0 A! W6 ~4 C* p* R+ z
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- int fd, ret;, a% I2 \+ U2 S% r
- e2prom_s_cmd arg;$ n6 @1 P3 H- b' {2 z
- unsigned char buf[0x18];
5 q! {6 F" M) y) R. u - ! E4 p! `* j# ^) f1 R5 v: ?1 \
- fd = open(E2PROM_DEVICE, O_RDWR);
9 [- i4 L, K8 z, O( d6 _ - if (fd < 0) { S' U5 h9 p0 ~ B
- printf("Device %s open error.\n", E2PROM_DEVICE);
. i* ~% u, O3 @7 I i - return -1;
2 `& V5 Y. z4 @2 {" ] - }
. t) T& W/ |7 B: X9 c - arg.sub_addr_count = 2;
7 J0 Q/ b) A! G6 J9 h2 ]/ ` - arg.data_count = 0x18;
# b- i/ v" w2 `! g+ I: t7 I - arg.e2prom_cmd_sub_addr = 0x290;! l4 i d4 a+ w& d1 {) E
- arg.e2prom_cmd_data = buf;( A$ b+ P* U% E
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' X+ `8 {: A3 d! t/ a - if (ret != 0) {$ P/ {* m$ f( ?1 c$ m5 y2 t
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 P( P0 F) L( e1 ?5 t - return -1;
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- memcpy(mac, buf, 6);
& h# |4 z& w* d+ x3 a6 E1 v4 ` - memcpy(stbid, &buf[6], 18);8 r! f5 S2 R- |5 D: G
- stbid[18] = '\0'; Y- y2 [' M3 D
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- return 0;, ^. o8 g) i u( p) r; r
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;- A$ A2 Q4 Y N f8 @
- e2prom_s_cmd arg;: ^1 ]" R& f. B( x
- unsigned char buf[0x18];! m9 V; }3 b, i+ r4 @
- |0 N' m& @, m- memcpy(buf, mac, 6);# j# `5 \& Z1 J# x0 G) ^
- memcpy(&buf[6], stbid, 18);
3 ?# o2 t' G3 t l3 C+ U$ a - fd = open(E2PROM_DEVICE, O_RDWR);% e4 i+ U; B# }1 F) y9 O' c# t
- if (fd < 0) {" V7 g# U, q. M: _3 ^8 r/ |
- printf("Device %s open error.\n", E2PROM_DEVICE);% {) ?& A6 M6 n
- return -1;
7 Q& b5 C& A4 K - }
7 j0 t! A. D' P) A6 i5 {: K - arg.sub_addr_count = 2;8 z6 n; v4 }2 l7 b" q1 L
- arg.data_count = 0x18; P; U) N4 t0 }, p b1 a
- arg.e2prom_cmd_sub_addr = 0x290;
! l1 C+ @/ k5 A5 Y6 y: `8 @8 U/ G0 O - arg.e2prom_cmd_data = buf;
/ w+ ?0 Y0 h: x) g - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: D, ^( T% @2 J$ ]) I& t2 a1 @ E2 d
- if (ret != 0) {
- Y) E" N' V B% ]1 }7 A - printf("Device %s write error.\n", E2PROM_DEVICE);
) S' ]- N4 {: q0 r: A" m - return -1;1 B% |, d7 l! f/ o) W
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$ I5 V+ F' R: S$ X4 L- return 0;( U0 W9 b q: B0 l5 X( E9 ]1 L% t1 _
- }
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- int main()
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- char c;, O) @0 \8 p1 A/ J9 y( W% I$ G# r
- int i, macs[6];
7 d! {9 m8 h) A: i4 h) ~( \ - unsigned char mac[6];) @' m5 s+ i7 f1 j0 H( ^
- unsigned char stbid[256];0 L9 {! |. ~3 C9 m
- . c* j, ?+ |- K1 n
- if (readparam(mac, stbid) < 0)) E7 {6 s/ R' u& C
- return 1;
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3 b3 x8 u, r1 c+ N+ G) @- printf("Current parameters: \n");1 X7 t3 c) e: U6 a+ e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* O( G) N$ m3 g; o) ?5 X - printf(" STBID: %s\n", stbid);
9 z3 D: F4 K+ ^ x' \- p4 Z -
: y+ c5 C' ~2 ^ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ x2 J$ V f) w: q) r - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 G+ S% x$ `8 ^! ~, [
- printf("Input MAC error\n");
- W0 D% J" B% T' }/ T( Y7 s - return 1;2 S+ X0 q5 \' H$ H7 h1 N b
- }" P) `( _! x8 _
- for (i=0; i<6; i++)mac[i] = macs[i];
" V t% { o) [* x/ n - printf("\nPlease input new STBID: ");
8 T5 C9 H; N0 L# N9 \4 \ - scanf("%s", stbid);/ b3 G' F% ~& n5 E! A
- if (strlen(stbid) != 18) {- Q1 I3 Q8 l9 W! U& h6 v+ {8 y
- printf("Invalid stbid\n");4 x3 _2 Q7 D* F% J: G1 n9 H1 t
- return 1;+ W0 Q K: m0 z
- }
2 ^" p9 \8 b4 y& o5 n - printf("\nNew parameters: \n");
' @) Y8 B4 p" |7 f& m0 D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% M4 A2 M' u% h7 G - printf(" STBID: %s\n", stbid);# `* l% N' d% F$ Q- c
: \" ]8 `3 O# D- printf("\nDo you want to change paramemters? (y/N) ");# m9 v5 U# ]( U4 R
- for (;;) { q9 u5 {! `3 _: r
- c = getchar();
9 m _% ?( Z8 E$ a - if (c == 'y' || c == 'Y') [* I- `' }1 M
- break;. A; E; K* ]6 }( Y7 D& x0 B( c5 ] r
- if (c == 'n' || c == 'N') {
4 }& k5 x: ~/ M+ A- E - printf("\nAborted.\n");# i8 o! Y9 M* ~
- return 1;
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- }
' ]8 J" u/ ]! o) _! i - if (writeparam(mac, stbid) == 0) 7 s! s+ Q/ Q) w; \
- printf("Parameters changed.\n");: {5 @* z- a7 O$ g$ `& S1 O# t
) V1 u9 r: n: b- return 0;! e0 { r9 r7 q+ p1 v [/ f( |
- }
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