本帖最后由 0522 于 2012-3-21 23:04 编辑
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+ w, e! R) ^7 b" `修改的代码早有了。到今天不会编译。
7 k' N( P! z3 h: K. G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ \; r8 G( n0 r5 ]+ L, W( T
- #include <malloc.h>- M4 _0 r, W% w) ^/ e4 Z
- #include <sys/types.h>
1 r) M# I3 E- { a8 X# h - #include <sys/stat.h>4 |6 J5 i! N, P
- #include <sys/ioctl.h>8 b s9 T, Z5 b1 J
- #include <stdio.h>
( x1 v* s' l$ @% D* C - #include <string.h>+ p9 H' h0 D0 H& W, B
6 M4 k: n& i h2 J- typedef struct {
8 g# d$ M. T: E t% B1 T - unsigned int e2prom_cmd_sub_addr;- b. B0 n" U8 b1 a6 B5 v% J9 b# b
- unsigned int sub_addr_count;
9 S/ d7 C; S! o1 ?, g" A - unsigned char* e2prom_cmd_data;5 n9 h$ Q+ Z2 t* q
- unsigned int data_count;
' e$ }1 l* \7 ?2 n) p" j) m4 } - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1' I8 h9 G4 W3 h
- #define E2PROM_CMD_WRITE 2
% u: J! [9 \/ Q; L1 m9 H* q/ i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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& I/ `( V8 |; A* C" M* h- static int readparam(unsigned char *mac, unsigned char *stbid)+ {% t+ Z7 @0 F2 u
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- int fd, ret;
3 p% w+ I( X, {. j- Q - e2prom_s_cmd arg;. L: _, C# U2 l! V u% L6 b, J1 g( X
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);5 F8 S# \- E. i/ ]( f, O
- if (fd < 0) {* E6 V) }6 c7 J1 e/ R9 f
- printf("Device %s open error.\n", E2PROM_DEVICE);
* t+ t' @3 x- X P# {- y/ S( C+ r - return -1;
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- arg.sub_addr_count = 2;; b4 A1 Z+ J9 p& P
- arg.data_count = 0x18;
* h" A/ S5 q* B, f+ p - arg.e2prom_cmd_sub_addr = 0x290;7 ?3 }5 R& @" K) n7 Z$ ~" w
- arg.e2prom_cmd_data = buf;- G! Z! }7 h/ C! m
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 ^- u3 j9 k, C ]) A - if (ret != 0) {/ R) ?- O/ T" d
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 e/ p- P+ f* E- E. h4 f7 J5 M# d - return -1;
- h2 c9 [9 L* G* p - }1 ?# b! T8 u# Y+ ? c
- memcpy(mac, buf, 6);- ~1 }) Z3 ?! F1 [3 L3 `5 ?1 L
- memcpy(stbid, &buf[6], 18);2 v# x* \( M! V
- stbid[18] = '\0';
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( V# _' g# p* n6 q- return 0;
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) g- v' |; `: R2 A! h# y- static int writeparam(unsigned char *mac, unsigned char *stbid)5 o- v; C1 _; q
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- int fd, ret;
E/ b+ k. _/ k/ m2 x/ Q - e2prom_s_cmd arg;
* S+ I) q- Q8 l. |4 J7 f: R L - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
$ I. b3 W& ]+ B, L' l; D' ?+ d - memcpy(&buf[6], stbid, 18);/ F4 ]+ C( e1 B
- fd = open(E2PROM_DEVICE, O_RDWR);1 S+ H* J9 r) @" ~+ J
- if (fd < 0) {' c8 z8 _ b! ` w) j5 R) p( ]
- printf("Device %s open error.\n", E2PROM_DEVICE);, q, Z6 G, b% K
- return -1;
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# I" E8 M$ W( n% c7 f5 y$ @0 n - arg.sub_addr_count = 2;1 \! z. l, C) m, H2 J0 u, }1 ]: A1 M
- arg.data_count = 0x18;9 X4 [" @, a' i4 R' g6 n( ?
- arg.e2prom_cmd_sub_addr = 0x290;
+ D1 q& y5 z7 T1 } - arg.e2prom_cmd_data = buf;; L& E$ u- B+ J% o: p* v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" A0 X6 I6 ]) G
- if (ret != 0) {" F( k9 t' |5 x9 r/ o" L: P. u9 ]
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 p. W# S1 `3 ] G( y; i' d - return -1;
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2 i: S6 }% X! ^2 o; K3 B! E- return 0;
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- int main()# E/ e y, \" h9 d% L& v
- {' M0 B& l1 k- C. c3 Z5 l1 g5 P
- char c;1 i8 x8 T5 J4 y5 b3 c0 K. ^
- int i, macs[6];( L( M2 a. g9 N/ N+ s& i- w
- unsigned char mac[6];
% f* k M: I/ r% k - unsigned char stbid[256];
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/ } [% h% _! b4 ~! v5 y( ?7 Q: l- if (readparam(mac, stbid) < 0)( R8 R: Z, ^: f, b6 Z! ?. x, R( N
- return 1;$ q' Z' [2 E5 p& F& C5 T0 ~- _5 _
- r( A M+ ^# l- {' |0 g! f9 ]- printf("Current parameters: \n");* N6 r( Y+ D4 Q7 G0 c0 u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* q/ f2 f7 w$ e" T- | }# \8 p
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& Y. O, i0 ^9 [; L5 a8 B- @ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' c; |) B; w# j& D/ e8 Y
- printf("Input MAC error\n");
+ z3 C% ^+ P. ~2 H- r9 _ - return 1;# E' F b: y& r' ^4 v5 {2 u9 t
- }
6 G( m# |& ^4 ] i- ]( y& {; n - for (i=0; i<6; i++)mac[i] = macs[i];
) @2 S3 [8 y; v! g% G- d& } - printf("\nPlease input new STBID: ");' G6 C! Y( M) |/ y ?
- scanf("%s", stbid);
$ H, Z/ ~1 n! N1 _ - if (strlen(stbid) != 18) {2 b9 Z$ R% o3 o1 [
- printf("Invalid stbid\n"); f, n6 A% e K/ i) E" s
- return 1;
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- printf("\nNew parameters: \n");! s* l( f2 y- y' K0 o& T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, ^1 N! f$ E y7 G# y7 M) J - printf(" STBID: %s\n", stbid);* V7 \, _$ o2 y4 ?1 G
- ; m3 d. x' y" q
- printf("\nDo you want to change paramemters? (y/N) ");$ m$ o4 L6 ^0 C* ~
- for (;;) {! g1 {/ d. {% r' j
- c = getchar();8 E7 \% K' E% X7 w1 }
- if (c == 'y' || c == 'Y'). ~4 f7 f9 ?. n w- T
- break;
6 I# y( M9 k2 o6 @" B - if (c == 'n' || c == 'N') {
; A, U% l# U* `& ~4 \( z - printf("\nAborted.\n");
\/ M6 v# h1 G( I* M1 B; \! k. ^ - return 1;
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- if (writeparam(mac, stbid) == 0)
/ W5 {1 C$ c: ]! E4 f4 p - printf("Parameters changed.\n");
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- return 0;
* |. l1 q) a7 T - }
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