本帖最后由 0522 于 2012-3-21 23:04 编辑 / b, F5 P/ [. ^# B& b2 g1 i3 q* w
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修改的代码早有了。到今天不会编译。
. e+ M8 l n. @' D! R- G4 L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ ~% r) q+ w% f6 _& z - #include <malloc.h>5 n: C( [/ Q& k& f2 I8 ]3 k# M
- #include <sys/types.h>- _# E% B5 @9 f% f5 {1 g" @) m: ^5 c
- #include <sys/stat.h>* I; L( N4 a7 @* J+ b3 M
- #include <sys/ioctl.h>/ O1 E) \$ G% h( \! A# k" x- P
- #include <stdio.h>
! ~4 y9 D" ^- V+ c - #include <string.h>
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- typedef struct {9 p$ h$ [, Z: A
- unsigned int e2prom_cmd_sub_addr;$ V9 u1 H' r" `% i$ I: H
- unsigned int sub_addr_count;5 J4 I: q2 \* p+ x
- unsigned char* e2prom_cmd_data;
$ S, t/ Z% M5 C$ R - unsigned int data_count;8 `" w! X0 i1 j0 K) p/ S
- } e2prom_s_cmd;
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$ [7 k/ B6 A& t4 u$ ?" o- #define E2PROM_CMD_READ 1
* V n# Q7 W! e: K; S" ]" n% b7 S6 | - #define E2PROM_CMD_WRITE 2. j# O. u* X5 N! ?0 p( P
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 \& G9 R$ r* d5 ~- static int readparam(unsigned char *mac, unsigned char *stbid)
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+ u4 D& \: c& ^. e - int fd, ret;! I- T; X& D7 L' K) X( d; o+ G
- e2prom_s_cmd arg;
8 X# F2 v( u" C' U1 s - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
0 t& O" ?7 ^+ N - if (fd < 0) {" m, d6 [. {; |. h
- printf("Device %s open error.\n", E2PROM_DEVICE);/ Q1 {8 A6 u' n: I" A3 A
- return -1;
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- arg.sub_addr_count = 2;' A( i2 I$ |6 @! Y- S# ?9 m% P% N
- arg.data_count = 0x18;
! r7 x+ V, p( T9 X+ |6 Y0 a - arg.e2prom_cmd_sub_addr = 0x290;0 e) N) B7 s$ j( w5 Q
- arg.e2prom_cmd_data = buf;: ~: @/ N! X. R% H. G- F% |8 h
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' u/ h/ e! P/ r6 \% @6 m - if (ret != 0) {3 W, l3 G. a6 J! q9 p
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 Y, J# D7 t9 w+ Y+ C \! j - return -1;; v; M# g* e4 K6 p* N+ }* I
- }; t6 N3 S) C0 ~& Q+ l( g( n
- memcpy(mac, buf, 6);
* Q$ U$ N1 O! q/ n - memcpy(stbid, &buf[6], 18);
9 Z0 n* r7 v4 K - stbid[18] = '\0';
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- return 0;
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3 N" ], @! a% e: b. P+ A1 M& H- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 S8 a P; k n9 F$ S - {
. y. [( ?* q, v8 Q0 X5 n) @ - int fd, ret;* U8 Z9 V2 S) _1 U2 e% B
- e2prom_s_cmd arg;
0 y! O& L7 }% z: [$ C+ R& } - unsigned char buf[0x18];. |% o. G3 @; E$ @
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- memcpy(buf, mac, 6);& J( x3 Q. U% P
- memcpy(&buf[6], stbid, 18);( Q2 Q6 o. Z# j ^- I9 Y& g
- fd = open(E2PROM_DEVICE, O_RDWR);
0 ~) V( V( S' d. v! w- ^ - if (fd < 0) {% l6 o' ?: L* {8 [
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 F _" i- T4 U. i# S" H - return -1;" y( D. J$ h; u2 G; X2 P( m* l) q
- }: C& b( F1 l6 ~
- arg.sub_addr_count = 2;
0 \, b% z7 j# z* m, u - arg.data_count = 0x18;" j0 y6 a5 K! C$ q- Y2 ?. g
- arg.e2prom_cmd_sub_addr = 0x290;
- Q' ?: Z' Q% X: M2 p6 i1 y( j - arg.e2prom_cmd_data = buf;
1 z2 d) q4 \# U8 T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
~7 f! {% ~ x. } - if (ret != 0) {
' L# {' u8 J5 k; c: _; \; f z/ Q - printf("Device %s write error.\n", E2PROM_DEVICE);9 U# ^ k# C% f. s
- return -1;* [9 o/ [. ^! r. X! b U# [ w; N
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- * u2 g, M+ Y1 z a. w. Z
- return 0;
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- ; u, E1 a: b% C5 i4 X5 F
- int main()& q8 m9 [" e8 q
- {# V2 R' ?3 ]2 ?0 V* _$ W
- char c;5 ^3 a. E2 V h- r+ R: X
- int i, macs[6];
) W' Q. X# g A& Y - unsigned char mac[6];+ @0 B. u P: X X% c7 p( i
- unsigned char stbid[256];
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) w" A/ b) P1 e, }# ^5 D v9 y$ T- if (readparam(mac, stbid) < 0)
1 p1 U' g) u# ` - return 1;0 W. P& E7 j k6 v1 D/ s/ t
- 5 z- d/ q$ s( M. ^
- printf("Current parameters: \n");
6 I6 \8 n+ S9 v% e8 v; _ }" M$ ]& C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. G- J6 l) x$ C+ w6 ^ - printf(" STBID: %s\n", stbid);
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5 f4 e% c% b# o7 i - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 N; l8 ?( s A& g% K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; [( t- |0 P/ X" V. v7 ` - printf("Input MAC error\n");
+ i/ H+ [! M1 H* }6 q3 R( z - return 1;$ T$ O: @: \3 l* U4 \; i8 f
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- for (i=0; i<6; i++)mac[i] = macs[i];
- Y* Q/ P+ U, E0 p; v) L8 f - printf("\nPlease input new STBID: ");2 Q* c6 Z/ T8 U0 f$ I2 W7 S
- scanf("%s", stbid);$ ]( o% @1 N3 _" c/ l# f+ U4 W
- if (strlen(stbid) != 18) {8 U( g! B, W* j$ A6 m% s! \
- printf("Invalid stbid\n");1 Z6 y ?* s. C6 X% u& z1 i
- return 1;7 B0 F2 Y! D0 k( n' _- R
- }
1 }6 U4 l+ [& o8 v# a - printf("\nNew parameters: \n");
: d( W* i" B8 |& X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& x6 Q" ?3 ?6 B: F3 k! y
- printf(" STBID: %s\n", stbid);9 `2 H) y1 ]; M; B
- 3 f1 f; X. k9 |7 r$ E8 M+ p! J* J
- printf("\nDo you want to change paramemters? (y/N) ");
& e' W/ v/ |8 q3 ~4 S2 D( i6 l - for (;;) {0 s- ]2 x9 ]1 ^4 R9 r
- c = getchar();
; D, H( n$ Q _* ?7 t - if (c == 'y' || c == 'Y')
7 I1 l, V4 a* C1 @' i& j4 | - break;* ?2 G! ~8 d2 I! h( Y$ @# h7 k
- if (c == 'n' || c == 'N') {
7 r$ a! A8 _9 S; b/ A- h$ I4 K - printf("\nAborted.\n");3 T5 N' a: j! W0 [9 T
- return 1;
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- }
( A Q0 s' n7 f% T1 ?# S# Y, ]. f - if (writeparam(mac, stbid) == 0) ( D. {. O. l- z' I
- printf("Parameters changed.\n");' ]" C$ T1 y- ?8 n4 i) V1 Q
4 U+ Q" [/ Y5 m2 ^1 i+ ?. \( }- return 0;, L' i$ j! H6 a( q- ?
- }
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