本帖最后由 0522 于 2012-3-21 23:04 编辑
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, V/ E' g7 \! a2 N1 m6 s修改的代码早有了。到今天不会编译。- p9 i8 a7 w. p1 ~: J2 f3 G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. s C0 {/ \0 ~) g7 b+ C' [3 U
- #include <malloc.h>+ a' f) i' O9 J, u1 a
- #include <sys/types.h>
* @1 P) ~$ I5 O7 Q) L; ~, \' ]/ _7 E6 U - #include <sys/stat.h>$ J" O2 S* |. E2 E6 u' I- t1 \
- #include <sys/ioctl.h>$ B! Z% q' g# H+ h+ X4 [
- #include <stdio.h>
) D/ Z6 f+ K7 h+ Q! }$ r P; U - #include <string.h>
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: J, m- e3 s/ h% k1 O3 T9 t8 z2 l3 S- typedef struct {
$ i0 i8 S( {% c% _$ v9 W1 K - unsigned int e2prom_cmd_sub_addr;& P' S; q0 r0 C$ w
- unsigned int sub_addr_count;6 r7 `! _1 v2 [/ D" A( G, o* J
- unsigned char* e2prom_cmd_data;
( q. B9 \. u3 u& a5 i1 O - unsigned int data_count;
0 f4 W6 C: Q$ w- h4 S6 V% k: U - } e2prom_s_cmd;* K- ]1 w! Q% V2 J* c+ x1 l
- 3 G( F6 W+ P# Y- [# O* _
- #define E2PROM_CMD_READ 1
$ v5 Y7 d0 Z' ? - #define E2PROM_CMD_WRITE 2
% D" R8 `: g7 f; {- h5 Z$ | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)5 z/ G( j5 |4 \
- {% x4 g/ J% C' ?
- int fd, ret;5 q4 c& q9 q2 ?+ o! E* l
- e2prom_s_cmd arg;" `6 |0 o. ~5 C( i( G' ^
- unsigned char buf[0x18];# @2 L5 l0 \, c# K+ F
- - M, b- D+ ^! Z& L, }) d J/ X
- fd = open(E2PROM_DEVICE, O_RDWR);! \$ T: D6 c7 D8 Y, ?) i) E
- if (fd < 0) {
$ \. ?$ W/ ^8 T: L - printf("Device %s open error.\n", E2PROM_DEVICE);
5 T! x9 Y$ p- K7 a/ \ - return -1;
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- arg.sub_addr_count = 2;
* b- B" G5 W6 N6 D2 @3 O - arg.data_count = 0x18;
8 l q g& Q* ^- @; a7 A5 c - arg.e2prom_cmd_sub_addr = 0x290;
1 a3 O8 H5 h3 q2 Q7 x - arg.e2prom_cmd_data = buf;
p7 v, c3 G. G' Z5 C2 o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 X/ c( {3 R) W2 E* C4 Y. K
- if (ret != 0) {
3 }. ?/ r+ Y9 h6 W& e$ ^ - printf("Device %s read error.\n", E2PROM_DEVICE);: ?* `" Y G$ k0 T- Y
- return -1;1 C U3 v: h: }; z1 k& j7 C
- }
+ o, ^0 \, ]. I& z6 Y - memcpy(mac, buf, 6);
. j) [1 f0 q+ E6 ] - memcpy(stbid, &buf[6], 18);( ~1 J7 ~' n! K" i8 u1 b# N8 Q6 |
- stbid[18] = '\0';
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- return 0;" X" ~- ~- o" v3 N: a
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)5 v; t7 J* b+ G+ V- d
- {
8 K# s* C6 p# H3 n$ M/ P - int fd, ret;. [0 u( j, u# M6 @
- e2prom_s_cmd arg;0 w( C' d4 N) E! {6 t" e
- unsigned char buf[0x18];
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5 v: f: i6 _# _/ d6 }, K- memcpy(buf, mac, 6);
: N6 y: [; j: L! i1 r$ ^8 l$ a - memcpy(&buf[6], stbid, 18);1 Q* K: i1 |# |% x3 Q `9 {5 t) F- R
- fd = open(E2PROM_DEVICE, O_RDWR);
8 r( e0 w+ T- {5 s- [ - if (fd < 0) {9 Q" P a2 }' D2 B
- printf("Device %s open error.\n", E2PROM_DEVICE);1 ~- U4 C$ @$ Z% a
- return -1;7 w& Y* l. e" w" q
- }
, S5 _7 T2 a4 b! ?; p7 ] - arg.sub_addr_count = 2;; P3 s0 }0 D0 N8 P+ k
- arg.data_count = 0x18;2 ^ C" R; z) \
- arg.e2prom_cmd_sub_addr = 0x290;7 K6 ]- b. x! r# ^. l! E
- arg.e2prom_cmd_data = buf;
0 d9 b1 R9 H+ F& N - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% w% f. y+ H8 J i - if (ret != 0) {2 G0 |. i9 M3 E, ?6 M$ s: p+ p
- printf("Device %s write error.\n", E2PROM_DEVICE);
) n8 ~$ N3 {) F - return -1;
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- return 0;
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. B0 R; R& q, c& M% w( S- int main()& l2 _; k+ e/ B' c3 t7 }* N
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- char c;4 h$ Q( V$ U) S
- int i, macs[6];
3 \. `: z+ \: V - unsigned char mac[6];
6 K2 V3 }# L6 L, z% q - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0); g+ G* k, W5 J$ v2 {9 i, W7 l* l
- return 1;8 W9 k* T5 y" B/ p9 P
- . [0 T' I. E' a- s3 `/ _$ r
- printf("Current parameters: \n"); G) t2 z5 o$ x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 c" L, w! O* q! A' b: m3 V. @/ b( g c
- printf(" STBID: %s\n", stbid);
6 j3 V4 ?8 ]# p+ e! K5 a' m0 R# x -
: i; a7 U- ~! i! N2 f; u* v. I0 R) S! d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 V8 B8 d' z- a1 R- H7 I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! |2 _ z; i+ M* j8 p - printf("Input MAC error\n");6 T" P$ y }( F/ `# B; V3 C
- return 1;
0 W7 ^; Z- J4 u- ^ - }
8 D* }: f9 {3 B+ C4 [ - for (i=0; i<6; i++)mac[i] = macs[i];+ ~ x/ D0 ^3 O; t4 O
- printf("\nPlease input new STBID: ");, G1 F( I& P& f, I- a
- scanf("%s", stbid);
9 Z d0 q2 G9 F- e& F. J - if (strlen(stbid) != 18) {
" n: e V6 g: y9 [* h l$ d - printf("Invalid stbid\n");% {: K: s& X% [; G4 l( `$ p: h
- return 1;, X0 x! g( d5 v! E' a$ i
- }
$ z# ~- C+ N5 E. @$ w - printf("\nNew parameters: \n");) Q3 j. A- h7 b$ U3 A* N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' y3 M- l. d$ `* [; y ]: v: T
- printf(" STBID: %s\n", stbid);: s* @% j. V+ U; f' \
" \! k; `9 F: R C4 k/ b- printf("\nDo you want to change paramemters? (y/N) ");9 q+ f% V+ J% C7 `: e
- for (;;) {
/ ~4 a! U3 ^% [6 S - c = getchar();0 X- V+ P1 E. `$ X4 h
- if (c == 'y' || c == 'Y')
: S4 o5 A( O% M0 v - break;* v: B" ], @8 q* h; l9 _, e5 D
- if (c == 'n' || c == 'N') {$ H# w m% b7 B/ ^) z
- printf("\nAborted.\n");
4 I, c! i7 z9 _ A+ g2 m - return 1;
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- }
' x4 Y* j. q8 F% O - if (writeparam(mac, stbid) == 0) 4 H8 _- |* Q! i! B- i
- printf("Parameters changed.\n");- `6 k5 \* I; i, f- F
- O: V+ H/ }7 G6 r2 w- return 0;' R+ \1 G' h! ^0 M
- }
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