本帖最后由 0522 于 2012-3-21 23:04 编辑 4 J7 G5 U1 p! s* _
1 O# V( t% \, K( ~2 R4 w修改的代码早有了。到今天不会编译。
( ~/ C5 l0 z4 }6 T9 Y5 b8 t需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- `' x* f k& V6 { - #include <malloc.h>3 N1 J: f3 b& {+ @
- #include <sys/types.h>) g+ g2 {7 b% H* K% ?1 O# J+ w
- #include <sys/stat.h>
3 z0 h, m/ V) _2 r0 M - #include <sys/ioctl.h>
9 n6 A! L' w9 `! `5 Q+ V6 e4 c - #include <stdio.h>3 n* Q' Z! \8 y
- #include <string.h>
$ {4 W! y6 v* L2 L
6 i4 f, h. }9 i# p$ Q- typedef struct {
& n9 q& g6 o# y# }( l. M. [ - unsigned int e2prom_cmd_sub_addr;
) j8 U0 t7 P$ A& H - unsigned int sub_addr_count;
+ K. w7 j- G5 a9 a" O$ _ - unsigned char* e2prom_cmd_data;0 S8 g, Q; P$ A) h/ J6 ?0 c( a
- unsigned int data_count;
9 s, O/ y# I, W! l8 T. e( v - } e2prom_s_cmd;! @& K+ Z1 _, Z7 |2 a; p! K
8 P _5 x6 w$ J6 B; a2 g+ M- #define E2PROM_CMD_READ 1
4 a6 Q% j6 u, M5 w/ A' K0 D$ b - #define E2PROM_CMD_WRITE 2
& o0 F0 i: P( o' m1 V+ {" | - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") P( v. \% R3 d/ a
- 2 f+ V$ C$ L/ X* Z0 G
- static int readparam(unsigned char *mac, unsigned char *stbid)
; p# ^2 e& ~" P5 q; V - {
3 _( A& p/ n5 E' q3 C b - int fd, ret;8 \# C8 H# n" d: t" I% Y
- e2prom_s_cmd arg;$ L8 ~% L% h1 q" ]: l" l
- unsigned char buf[0x18]; Z }+ `8 f* c# C7 U X3 `
- & L' x, x$ o/ m9 K+ q; u1 U
- fd = open(E2PROM_DEVICE, O_RDWR);
4 r/ K) i& C1 @' } - if (fd < 0) {) p: V9 N0 Q0 l
- printf("Device %s open error.\n", E2PROM_DEVICE);# k/ ]8 L6 i Z* ~ n% [+ ^
- return -1;/ v* _# }) U/ p8 c1 X3 v* e9 ^/ B1 O
- }
, j) r; d8 F9 c6 | - arg.sub_addr_count = 2;5 H$ v8 N0 C) b! [, c
- arg.data_count = 0x18;+ Q3 q7 y. I. _5 m7 Q; D5 n
- arg.e2prom_cmd_sub_addr = 0x290;
1 }5 ?9 w1 S+ `, L& J - arg.e2prom_cmd_data = buf; w0 \( G; v; u u* L( m
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ I3 [' C0 l" N/ I/ z, B! b% p
- if (ret != 0) {( }8 D. f7 v! a& s0 d
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 _6 ~/ o2 P% }; c$ x6 f - return -1;
- `) i+ F' c: A( m$ ~8 z - }; L3 _4 x7 Y4 V$ `) g* B/ i/ o
- memcpy(mac, buf, 6);
7 G' T- b2 u8 I6 z( N* J2 ]5 T I! _ - memcpy(stbid, &buf[6], 18);
& P8 E8 U: h3 ~$ ?. u" ^ - stbid[18] = '\0';
4 Y- ?5 m' @: n* {& A8 {
& A3 N+ G# [1 h5 C- return 0;
7 p( a- E* G* U/ s - }
/ s- A7 r* Z! K - 2 w: i4 f; n# |* j: A7 r
- static int writeparam(unsigned char *mac, unsigned char *stbid)9 s# n" s% Z$ ]2 e3 ` F: H' O1 s' N( k- e1 J
- {
* b* t$ R. `2 U" |' ?3 P - int fd, ret;
6 U0 ~0 J: Z" ^8 r" d, E - e2prom_s_cmd arg;# e3 I' O; f% s- y' r+ m+ H
- unsigned char buf[0x18];
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. ^4 n" C2 D7 d* A a" a8 K- memcpy(buf, mac, 6);
. x- s( t6 t. X( i8 q8 t4 B - memcpy(&buf[6], stbid, 18);
* y6 \! ?$ K, M y8 H - fd = open(E2PROM_DEVICE, O_RDWR);5 o* U9 A, b% _9 F
- if (fd < 0) {1 J, o6 x$ O+ N# v0 V( R) V
- printf("Device %s open error.\n", E2PROM_DEVICE);
. C9 ^+ E8 k+ f3 l3 v$ I8 m5 V7 S - return -1;
, I: c( C. H; L, K- ^; a" o* m& \( R - }
# `. y1 E' C+ c, m) a" J- X - arg.sub_addr_count = 2;( ]0 @" A8 s$ y% Y! J5 _ T
- arg.data_count = 0x18;* }/ x/ r7 p' S/ r5 L# d
- arg.e2prom_cmd_sub_addr = 0x290;% R+ x7 h' }$ O; P0 n6 c0 C
- arg.e2prom_cmd_data = buf;0 k* H7 H/ ?. H6 c6 a/ R/ n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 e2 e5 _" I- P" p
- if (ret != 0) {
4 i2 n4 M0 h2 e( v( D2 i+ h5 q - printf("Device %s write error.\n", E2PROM_DEVICE);/ O( i n5 P. l( B. [
- return -1;
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) H- o6 K% x/ ~5 z- q- return 0;
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- 3 g) _8 E$ o) [
- int main()
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- char c;
2 Z& a* A5 ~# C - int i, macs[6];
- T2 _# J& D! m& A4 ~* ^ - unsigned char mac[6];
m( `" P1 ?/ W - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)6 G1 x1 ~8 \3 [
- return 1;3 A6 v1 P2 K1 _- A4 l
- ( d* i$ e1 {; Y6 H+ X/ o6 o
- printf("Current parameters: \n");5 g- q' X8 @- i2 Y8 n; `2 j2 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& v- W$ @# L$ D0 k1 ? - printf(" STBID: %s\n", stbid);: P. m( Q( L9 w* F& u9 R8 S* B) F
- 6 z3 K: w5 s. L8 Z5 g8 j3 m5 w
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& T% Y' W) m6 z0 w3 a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) K+ G/ [1 J: ?: s! e
- printf("Input MAC error\n");
' M/ X( `' J2 }1 Z. G- d6 r! P - return 1;4 p1 k: n3 `" R$ p3 n$ B+ j9 L
- }
) y% T, o, A- Z, T& s - for (i=0; i<6; i++)mac[i] = macs[i];) \: }6 L" o8 o
- printf("\nPlease input new STBID: ");
7 P/ ?" \8 K1 v$ | - scanf("%s", stbid);
. Q' c) \# g" {8 g - if (strlen(stbid) != 18) {. a5 F" W5 ], u; y1 K& J! J
- printf("Invalid stbid\n");
3 r. M5 R9 ?% y# X6 t8 w - return 1;. W, x O; @: C- e2 T( {' S
- }4 L& S" R% G* B. ]6 H& g
- printf("\nNew parameters: \n");' n6 R9 j) u/ V2 u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ P5 p! p- r. ]' @7 H. n( x - printf(" STBID: %s\n", stbid);5 S; [$ p1 d. ]4 k
- 8 [( V( z- m1 r
- printf("\nDo you want to change paramemters? (y/N) ");
$ M# s! w/ h9 r5 J4 l8 e# { - for (;;) {" j; t4 p0 l( o( [7 D/ F
- c = getchar();
5 k, s- j! a5 a* D) i+ V; } - if (c == 'y' || c == 'Y'). Y4 M% W! ~& ^- b/ i& ?
- break;, P; O% L# E3 S: u# Y% f; e" z* N
- if (c == 'n' || c == 'N') {
1 Y+ k8 X* C" L: n( L! a0 U" @ - printf("\nAborted.\n");9 j( o) n* o% l1 ]6 _5 U
- return 1;
* [( J1 ~. t6 S8 j* @! h - }
4 I: J' |# R" z! ` - }& t ]9 G3 G2 r+ {
- if (writeparam(mac, stbid) == 0) % j4 b4 j w& S5 ]) j( E- A
- printf("Parameters changed.\n");0 s) P( O* q& `" n" o
5 y& ~* m; G) \- return 0;
0 v8 j) E8 R* \- J5 ?( [. y - }
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