本帖最后由 0522 于 2012-3-21 23:04 编辑
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& E5 t9 Y1 S: U) F# Z修改的代码早有了。到今天不会编译。' ~# b8 f6 _7 n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, ]* v6 B2 f: `6 v7 S. l1 K
- #include <malloc.h>
3 F* E A) N$ k% `* N - #include <sys/types.h>
$ F1 q n! j$ l0 I - #include <sys/stat.h>
) x# w' w% p. w" |% @ - #include <sys/ioctl.h>
# h; K8 d# o: p" Z+ L/ M - #include <stdio.h>
! q5 p$ {7 G% q: ^/ _ - #include <string.h>; m- x2 Y% `3 A+ D% s
- + V8 m9 Y, o, ?" |2 {# c
- typedef struct {
6 r$ M) ?/ f- s5 \3 s3 M2 l - unsigned int e2prom_cmd_sub_addr;8 d4 W7 f) S; O/ Z: R7 O& Y9 r
- unsigned int sub_addr_count;8 r) `3 R2 F. U; [, T; a1 | P i
- unsigned char* e2prom_cmd_data;0 Y. A1 `/ H6 Y$ g" ]
- unsigned int data_count;
0 ?3 ^- R8 Y* ^% Z( M9 L - } e2prom_s_cmd;3 R2 H3 m% l4 w
- $ \/ S0 O, X) b! V; u, a
- #define E2PROM_CMD_READ 1
7 h0 x* D# x: x0 } - #define E2PROM_CMD_WRITE 2+ }& b8 q% F8 ?' Y6 G" W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ B7 F2 S8 X+ p4 P- z3 O/ _
- {
& D6 b8 R6 E, K - int fd, ret;
* I% {2 U% `2 ?: B9 ? e0 U4 \6 y0 H - e2prom_s_cmd arg;7 n3 ~6 O& n7 T3 ~ z& t, n3 L3 Z
- unsigned char buf[0x18];9 @5 G5 ~2 z5 W3 r
- 4 R; }$ N! r0 `0 J6 G( ^
- fd = open(E2PROM_DEVICE, O_RDWR);
8 l! O5 o% N! s8 y- x - if (fd < 0) {* w4 A6 S% L' j* Z4 u/ t6 E
- printf("Device %s open error.\n", E2PROM_DEVICE);
- s# E# u' r% A - return -1;
8 u: `2 X: H2 m0 M - }
0 m5 n0 P6 ?! {: s9 q3 D6 e4 W - arg.sub_addr_count = 2;
' p$ x# u9 [, q+ A7 F. L. n - arg.data_count = 0x18;
) g/ l! |, [7 o( ?3 h/ s - arg.e2prom_cmd_sub_addr = 0x290;: i0 Z9 d' `( }, P& A0 C
- arg.e2prom_cmd_data = buf;
, ^2 k0 B1 a |1 P# Y - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: N" W( X. E: F! v - if (ret != 0) {
$ I* g C6 \$ C5 r R - printf("Device %s read error.\n", E2PROM_DEVICE);! r; r- Z- Z8 Q
- return -1;
/ X( U! i" k1 j) {7 p - }
5 O* f& g- r! H - memcpy(mac, buf, 6);4 Z( O) ~- `4 G9 ~$ ?
- memcpy(stbid, &buf[6], 18);
, p- w' H/ c. {! T, l - stbid[18] = '\0';
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- return 0;" w5 v) O' R6 X+ X: s
- }" e: I3 L/ g( @6 n( t
- 0 x" B" K. S0 D* t5 c; L; Z9 o& N
- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 v- O; e8 ?: ]( m7 P - {# V2 }3 w/ Q4 Z0 D) U4 ^
- int fd, ret;3 D4 a3 b* y/ D9 t) H
- e2prom_s_cmd arg;
! d2 e. D1 I/ M3 }. v% K! H - unsigned char buf[0x18];+ h" H3 i L/ e( b
0 I E7 k6 o- M1 _) k& t4 i- memcpy(buf, mac, 6);2 Z4 O' q6 J" D; O. w& ^
- memcpy(&buf[6], stbid, 18);9 N4 C8 u. E& Q# I6 C; V
- fd = open(E2PROM_DEVICE, O_RDWR);! d! G& s& H7 H! w0 n
- if (fd < 0) {
% M9 E# Z* i2 I- I! [' L9 _% `8 H - printf("Device %s open error.\n", E2PROM_DEVICE);
& O7 B$ @1 J2 i' { - return -1;
1 D- T3 s2 Z8 `! j4 I; r - }
! x! {, i& s) D% ^' J - arg.sub_addr_count = 2;& x% z$ S2 F) G& F* p! F* b
- arg.data_count = 0x18;
9 f$ P5 e6 O; x. c8 w9 A! n+ d - arg.e2prom_cmd_sub_addr = 0x290;- ]2 J" k: o6 K r! |
- arg.e2prom_cmd_data = buf;
( a, G/ K, m1 D7 T( W - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); J* e2 [0 e6 i6 \: p, \& Z# v
- if (ret != 0) {' J4 ` i( i! I. _0 l
- printf("Device %s write error.\n", E2PROM_DEVICE);
* \3 u% o! R, K, k - return -1;5 C9 a5 a, b1 {9 _+ S% j" z% J( p
- }
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- return 0;7 m( ?7 w6 G8 G0 d. ?
- }) P. Y" R: } x: B+ x
) ^/ n% j8 Q- p; }# I- int main()0 L* o8 Z" a( {
- {
! I5 @8 P. ?" ]( n8 ` ? - char c;
& n$ m7 S0 a. d& U+ w% |; v! d - int i, macs[6];
7 [- Z) a1 W* N - unsigned char mac[6];4 L: X1 M! q( F6 t1 c( F
- unsigned char stbid[256];/ o# \: E- {/ z/ @% l
* i5 H5 B# m" t6 P" j- if (readparam(mac, stbid) < 0), C5 P+ c5 C) h+ m$ k1 ]; Q* k
- return 1;
1 B7 K- V9 ]2 }
4 m) H7 M& s/ I2 ]- E- ?# h" k/ t- printf("Current parameters: \n");, }7 ^4 {1 y \. w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, \6 o$ h. D- G* N' U) V7 b
- printf(" STBID: %s\n", stbid);" B2 B* ~2 L# B
-
2 o1 K: y! X/ [( U" f8 n - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: }6 i! i( S. R! `( n0 t8 |6 W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, P8 R) A" [: P W/ \
- printf("Input MAC error\n");$ y" _7 |0 U# a/ u2 d g
- return 1;
& h+ s' k2 O' {4 u) l# ^$ X( z: ^ - }
/ j+ [ P& o. @. t - for (i=0; i<6; i++)mac[i] = macs[i];
. l, C5 K$ o5 s5 H" K4 T6 { c - printf("\nPlease input new STBID: ");) {1 w+ _/ P( F/ @8 e5 i$ E: M3 i
- scanf("%s", stbid);
: V) i. n% n* O0 h1 h7 A - if (strlen(stbid) != 18) {
' e2 Z k8 q, d5 j1 T - printf("Invalid stbid\n");" U- F7 A1 M- `% L) k( X) b
- return 1;7 L/ d4 E3 t9 v4 p- i
- }
. H% ]( @. F! l9 d1 V4 s - printf("\nNew parameters: \n");# ~% {. h1 u) V @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 R$ s5 h) V; k2 u0 w - printf(" STBID: %s\n", stbid);
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7 c. J. X7 r! w+ m% q: Z+ e0 S- printf("\nDo you want to change paramemters? (y/N) ");( P6 R2 D7 n L4 Y/ Q+ e& x+ c7 L
- for (;;) {
. r1 V2 T" j1 f" k) r - c = getchar();
7 m2 h; g4 e9 G) v" [% Z - if (c == 'y' || c == 'Y')
; T1 a9 B1 `9 g* ? - break;
# v7 q8 z3 H! x) u# \ - if (c == 'n' || c == 'N') {: X. m+ Z$ O$ Z" G6 d* f) q5 r
- printf("\nAborted.\n");
: k) G) g. F$ h: O3 O9 D - return 1;
# \# c" ?8 |+ c! X, Y - }
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- if (writeparam(mac, stbid) == 0)
9 @4 S6 f' {: e, @ - printf("Parameters changed.\n");0 b) ?& A, Z- z' v& I" m6 h* N
- ! Y, E9 G/ o) _4 v9 G/ x
- return 0;
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