本帖最后由 0522 于 2012-3-21 23:04 编辑 8 x h( N; G$ |4 D6 U" g
: x }; a2 z; y% [. L修改的代码早有了。到今天不会编译。& B# x- ~6 e/ q) Z( F$ ^0 i7 Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 A% Y. N% r& W, g8 B* j e4 ~ - #include <malloc.h>
) O: q9 r0 c' ]$ @ - #include <sys/types.h>6 e2 y& P; `1 G3 {2 ~
- #include <sys/stat.h>
1 y: x! \, r' X8 Z - #include <sys/ioctl.h>$ x1 ~% G1 @: U+ Z) p3 H- Z
- #include <stdio.h>( F/ X2 U* V! _: H% W
- #include <string.h>: I9 q) I' I- }& D* R% b- I) {9 }
- 0 R# J/ j" z% c3 p& v# U! z
- typedef struct {
6 x: b; Z& U/ T/ B - unsigned int e2prom_cmd_sub_addr;/ a0 @9 q0 d1 ]' e7 y
- unsigned int sub_addr_count;
2 N5 S1 ?- d9 | U - unsigned char* e2prom_cmd_data;
1 B5 `+ x3 [) g/ M* U/ \7 c+ R) v - unsigned int data_count;
8 O; I/ @' I) o3 E Y - } e2prom_s_cmd;6 ~/ `; v& z4 ^
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- #define E2PROM_CMD_READ 14 e, t, w* \" R0 Z% G1 w
- #define E2PROM_CMD_WRITE 22 r* v/ v, k5 j+ u5 C' n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
$ G" G( q/ M2 {0 Q - e2prom_s_cmd arg;4 z. M: C* @8 X S( G" v6 q) k7 z
- unsigned char buf[0x18];) I) r- F7 R; \1 T7 H
. D1 J3 c, b9 l! T, m0 y: \- fd = open(E2PROM_DEVICE, O_RDWR);. Z! j' H! g" _# _, T
- if (fd < 0) {9 b0 p+ u" S8 a! `: `
- printf("Device %s open error.\n", E2PROM_DEVICE);& R) d* A. U& W1 k/ \
- return -1;* J; i+ C) E' O# c2 N
- }( A" m; l* ]- S1 ^4 B8 o
- arg.sub_addr_count = 2;
' X% o& C2 c$ w' w- Y0 @ - arg.data_count = 0x18;% K: Q7 I) n1 S+ W5 u) |* I
- arg.e2prom_cmd_sub_addr = 0x290;
0 r! L# ~ X3 M/ \! L( J - arg.e2prom_cmd_data = buf;
; Q) {9 R5 L4 x) g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 b* p( j$ A6 N: ?( B - if (ret != 0) {" b7 T8 _6 e4 x5 q7 G" J; B, s. B6 z
- printf("Device %s read error.\n", E2PROM_DEVICE);: S( x5 T& m5 Q* u
- return -1;
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- memcpy(mac, buf, 6);1 o2 M, S+ P8 C1 h1 }
- memcpy(stbid, &buf[6], 18);
2 k( Z) d) s+ t2 H - stbid[18] = '\0';
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* h2 j% D" `. r3 A' T! V- return 0;
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6 d% o2 h2 L k- static int writeparam(unsigned char *mac, unsigned char *stbid)" x% g9 d4 L5 t8 p4 M. z- T4 w
- {. X! ~$ `% \) O- p, ?4 _
- int fd, ret;
) i' H8 X( X, V H# ]& X* F6 [" A - e2prom_s_cmd arg;
/ c, V; g2 d5 @2 w$ v - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
( @( N# N& E3 h& N1 U - memcpy(&buf[6], stbid, 18);" U2 f Y2 {: A% _/ g' Z
- fd = open(E2PROM_DEVICE, O_RDWR);# x, b! _3 r M7 d0 `, [) ^5 I
- if (fd < 0) {
% W! y* a1 P* G* W( p2 i- \/ Y - printf("Device %s open error.\n", E2PROM_DEVICE);9 ?, A; a D ~; J
- return -1;( `" K1 t: c' F) x# T
- }- G( L' U( C5 V" Y
- arg.sub_addr_count = 2;
8 R) G- @6 ^$ N0 j - arg.data_count = 0x18;% F2 ?1 V* D/ \2 L" V" v
- arg.e2prom_cmd_sub_addr = 0x290;
: i' n# ^) ]( C* F2 Z - arg.e2prom_cmd_data = buf;
0 Z+ Y3 O7 n! f$ k& j9 v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 P6 w( b. k" N6 g4 G - if (ret != 0) {
' H- C5 Z% R1 s. z/ `* `4 W - printf("Device %s write error.\n", E2PROM_DEVICE);/ `* W- A# t: }( v
- return -1;! M6 @4 W0 I0 Z% {+ F: w4 C$ A
- }
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- return 0;. T3 b3 {: e" b5 d. q; a
- }
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3 _) E5 {8 [ i+ Q( p- int main()
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- s* R' d" U7 f1 O* F" _- a* \ - char c;, M) Q J. A x/ I3 u. W4 u
- int i, macs[6];
8 m, W' w, _; r3 S4 k - unsigned char mac[6];
7 k* D+ I1 E$ v# w a, ^2 s - unsigned char stbid[256];
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/ y$ d& v2 f) f7 B6 l/ W; y- if (readparam(mac, stbid) < 0)% o: }5 Z8 P+ ~7 D
- return 1;# w" o$ M' b9 e$ u, T
7 ^6 {0 L. z2 J3 a4 b5 v$ f- printf("Current parameters: \n");
1 X6 q7 w4 |$ Z' M+ d$ _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 }- |9 n% \1 M" H) X - printf(" STBID: %s\n", stbid);, p) A; F/ T: h$ \# b7 j5 T- w
- 9 @( a6 Y) R# a2 k1 F& F L& j! l; N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# F1 W- @% z; H e- u* M. M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- i; A' I! u" r- O2 F$ \- ]) u( e2 G! k6 b
- printf("Input MAC error\n");; G) ?* }/ C: h' s/ w
- return 1;
0 E9 G$ }6 k: Y- \; H9 i - }
9 |. M3 O& s% M' E7 l - for (i=0; i<6; i++)mac[i] = macs[i];
3 W, J) X' \. {' G8 W2 m- o [ - printf("\nPlease input new STBID: ");
- o# t) E! T& F& T1 x) n - scanf("%s", stbid);
1 S* g' k: b$ s- y$ s* b. | - if (strlen(stbid) != 18) {
- m, a T1 \: W; m - printf("Invalid stbid\n");- M* a1 x( M* |; N
- return 1;
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- printf("\nNew parameters: \n");& Z7 L( K- [) H. @0 @# @2 E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" U) ^+ V5 g6 D3 K g2 |. a" z - printf(" STBID: %s\n", stbid);& q" E- L" z+ I. l" b
+ t8 v2 h6 j" U* U- printf("\nDo you want to change paramemters? (y/N) ");
R% k. E' P) o9 B+ B2 f - for (;;) { H! a" d* a7 h
- c = getchar();4 C: m- L: S( x& d2 J6 N
- if (c == 'y' || c == 'Y')
7 i [" S Z$ ?. q9 e( F - break;
7 ?+ |0 o. {7 O* X - if (c == 'n' || c == 'N') {' `; b: ]; ]+ s3 @$ B
- printf("\nAborted.\n");. z& I& I. c. H+ a4 ?
- return 1;
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- }
7 F9 t: U ]: j - if (writeparam(mac, stbid) == 0)
0 x0 B! r3 R+ B/ { - printf("Parameters changed.\n");' R! O4 }4 ~6 s5 G# N
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- return 0;
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