本帖最后由 0522 于 2012-3-21 23:04 编辑 5 t$ ]9 h$ p7 z7 ^
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修改的代码早有了。到今天不会编译。3 l0 u" y$ ]! _* k, Q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ l' h, j+ s+ T8 _, ], t }3 ^ - #include <malloc.h>4 Y) z" \/ [* J) t9 q* p0 I* P& T
- #include <sys/types.h>- F1 j' s, ]: H G. N& j
- #include <sys/stat.h>0 H5 _: M1 P! \
- #include <sys/ioctl.h>
/ T9 T# z0 l+ n, n- y0 B8 e" D - #include <stdio.h>; O, e6 y; f1 C0 A6 R
- #include <string.h>3 O8 w/ f+ H' @1 F* C
- $ w F' O: `% T8 G. r w1 N
- typedef struct {
1 a+ ^" ?$ D) A0 ^ [$ p5 @ - unsigned int e2prom_cmd_sub_addr;
) P, z) F+ K5 ] - unsigned int sub_addr_count;$ n: H4 S1 J1 s7 R! l# @8 W) c4 i
- unsigned char* e2prom_cmd_data;; N8 ^6 M. r: z
- unsigned int data_count;
) I+ a% e( }9 C" f - } e2prom_s_cmd;( |4 G; b* z) v) Q( I2 }
3 Y$ C# m$ O9 O/ h3 ^1 o- #define E2PROM_CMD_READ 1
7 h3 c4 l) c- E2 M" {: k - #define E2PROM_CMD_WRITE 27 O! ^7 n2 t5 S; R5 j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 L) I2 k4 q, D5 i0 `2 j5 ]. ?0 z
" K6 ]1 G4 E' S1 T: m( x0 U- static int readparam(unsigned char *mac, unsigned char *stbid)! [+ R+ c8 H% L r0 ?
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- int fd, ret;2 O& b- v* I2 ^" U- e
- e2prom_s_cmd arg;
0 a4 c! @, Q4 g7 s; U - unsigned char buf[0x18];
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7 {" V+ Z2 d$ `8 _, C) o2 y- fd = open(E2PROM_DEVICE, O_RDWR);+ |1 j5 d. F. `2 M
- if (fd < 0) {! d4 J5 X! o- k, s% T3 R
- printf("Device %s open error.\n", E2PROM_DEVICE);( O* w* u" N6 X; N R
- return -1;
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- arg.sub_addr_count = 2;3 p' c% _7 X& }& M. a* W( @
- arg.data_count = 0x18;) r; x8 @; {$ e X4 \
- arg.e2prom_cmd_sub_addr = 0x290;6 W) ~) K9 C- U# k
- arg.e2prom_cmd_data = buf;5 f2 v$ a8 _+ |: r; \1 S
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! l! ^; T3 v+ _# Z s
- if (ret != 0) {
- c6 a! g4 M: p- ~% n - printf("Device %s read error.\n", E2PROM_DEVICE);
3 o$ ]. w' Z( \2 | - return -1;1 _, s. B: U: r5 w
- }7 m+ {. `8 C' ~% @+ ?
- memcpy(mac, buf, 6);
# l) A% t: K, [. E+ @: I0 n - memcpy(stbid, &buf[6], 18);/ }# P* d" }' g+ g
- stbid[18] = '\0';' o3 O, n6 M' z4 J& c+ w! K0 v0 h
- 5 g* p2 ~' G f" A1 a1 g" Q. n" s" @
- return 0;& G# p! s* O! z9 F
- }
- z1 `) e/ F( h
: {6 w( Q: Z3 O2 e+ X- static int writeparam(unsigned char *mac, unsigned char *stbid)
& v+ h9 u$ P( L - {
& S& L# u& x8 s, c - int fd, ret;' k/ d! H1 y# L. e% L& I7 _' o
- e2prom_s_cmd arg;* C2 Z, p9 I% S7 R; [( P- O
- unsigned char buf[0x18];
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$ M% S1 \6 @, c) ]2 x1 O9 n- memcpy(buf, mac, 6);
% F* `+ @4 X5 |7 [1 x - memcpy(&buf[6], stbid, 18);( t3 V/ G: K W
- fd = open(E2PROM_DEVICE, O_RDWR);+ ]/ H/ }% P! y1 F( Y( T; U
- if (fd < 0) {
6 I6 l- A$ f* a9 H- y' @ - printf("Device %s open error.\n", E2PROM_DEVICE); A! @: A: f$ _' M
- return -1;
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- arg.sub_addr_count = 2;8 w& u" r. a9 _
- arg.data_count = 0x18;/ N- t% Q# _) n5 k
- arg.e2prom_cmd_sub_addr = 0x290;# Z4 n8 w \, y3 ^2 h
- arg.e2prom_cmd_data = buf;
# u) F; ~: }/ B$ P9 Z" | - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 ]4 l' K2 D" z0 }# R+ k
- if (ret != 0) {
2 T$ h% M6 t$ Z. H - printf("Device %s write error.\n", E2PROM_DEVICE);: o; K/ c+ F& E8 h5 O5 j( {
- return -1;" Q6 u" W% ]% }1 s- [, V, e8 Z; C
- }
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- return 0;1 @% M3 L4 E+ v4 O. x
- }( b5 e, n4 A4 t/ y0 D
4 P: q7 E' Z1 S0 n$ f$ J- int main()
+ S9 {" d" m8 r; G - {
6 g( g- ^; b$ b9 T - char c;& M' o# ?2 |" v- |& h
- int i, macs[6];
& a1 r4 ~' q4 I4 A+ z0 _ - unsigned char mac[6];8 r' l( |) R8 C. q8 ~
- unsigned char stbid[256];( S7 |+ i f( A5 [
. ~9 ?. s6 e, g$ X: @8 r: z- if (readparam(mac, stbid) < 0)
* C2 u) y/ U$ z6 T/ X5 B - return 1;
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5 C* E7 q8 u1 x! X- printf("Current parameters: \n");: c, S' ~1 D& q8 U; V$ T+ e9 ^9 x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" \# v( _! C; p. v% n) b9 ~9 B
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 k$ v6 k `+ N7 ~' |8 e) d9 T - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) g& P ?: R$ X; E. |( [/ ?
- printf("Input MAC error\n");3 _4 ~. y Y: n: b/ C: ]; |5 ?
- return 1;& ]: y/ v7 v4 {
- }
0 b: |5 N1 i& i. \7 T - for (i=0; i<6; i++)mac[i] = macs[i];
) b# |5 T0 t! R! z: {/ T- p - printf("\nPlease input new STBID: ");+ T1 X$ B. C2 M! C, B, @* w# R
- scanf("%s", stbid);
& O! s& c b2 W3 G% D$ |- c7 p" w+ ^6 [ - if (strlen(stbid) != 18) {
# e4 C2 R- d% c7 b - printf("Invalid stbid\n");" z: W; J$ D, h! I
- return 1;7 e+ u: o) b7 l4 O7 p" \; D% L
- }& B. W% Y e7 e5 b0 {2 [
- printf("\nNew parameters: \n");
- R/ w( Z+ k' | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 J8 q& k" Y, A& p8 r) y( w - printf(" STBID: %s\n", stbid);
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+ V: e8 y7 y4 u) L4 g/ q, p- printf("\nDo you want to change paramemters? (y/N) ");3 a5 m+ k" p7 B2 r5 T5 e
- for (;;) {( ^8 _, I' x) i& M ~2 Y. ^$ S% z
- c = getchar();
/ z$ ?' d p# Q* G4 V* N - if (c == 'y' || c == 'Y')9 M, z5 W. X. C/ e3 u
- break;
7 R, \( Y# Q. d L1 b; }3 a - if (c == 'n' || c == 'N') {
/ j- M) o, p1 z- q2 a# O - printf("\nAborted.\n");
2 F6 s7 P1 t! V3 J9 e - return 1;
# z5 B0 l- D5 s/ m* l3 V' I* O4 M' r - }
- z& w* S" B$ l0 z, Q1 W. c$ y - }; ? M, l3 q, U9 S* a, @" a
- if (writeparam(mac, stbid) == 0)
! L9 y0 b5 s( s" _! k! l - printf("Parameters changed.\n");
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- return 0;1 X' s5 z7 t6 J ?0 }
- }
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