本帖最后由 0522 于 2012-3-21 23:04 编辑 . j, x8 f5 |: q/ A/ U( ^) P! y
2 m0 R1 D T2 ?' F" }( s, q
修改的代码早有了。到今天不会编译。. y9 K3 u9 X. E2 v$ K! {
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" p* x# S; K/ E- N! ~3 \7 X5 h - #include <malloc.h>
# z! v7 d9 s; T$ y - #include <sys/types.h>+ n- Y/ _! l! }% w1 a. s. C& } ]
- #include <sys/stat.h>
: |2 t5 Q+ ]' R9 B; D: x - #include <sys/ioctl.h>
8 w; t: H- C0 W. y% c+ n$ P# W1 t - #include <stdio.h>
) w8 C$ M) S+ }: z - #include <string.h>
+ S$ h* Z* x* ?+ y3 F" d( R$ ~ - ! P8 v# W& H0 e- U' P9 d8 Q* m# }3 w
- typedef struct {0 @* D. q7 f. y: I: v
- unsigned int e2prom_cmd_sub_addr;
6 A9 R c6 c/ X6 B: }8 a! F* L - unsigned int sub_addr_count;: y$ x3 }5 T( [2 T
- unsigned char* e2prom_cmd_data;
" e) T. }9 z9 F - unsigned int data_count;3 W6 c% i8 ^$ y- m
- } e2prom_s_cmd;
9 D" x/ k+ M3 F! L# e/ g0 p
1 w, A8 L) s: g5 P; U7 n- #define E2PROM_CMD_READ 1
& ]' w* T2 ~: |6 _: O5 b9 } - #define E2PROM_CMD_WRITE 2
. A# u e% R, S+ N2 b8 f - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
" n* G# A( A% n2 g) d- k
% W! H% l0 y1 |! s' e- static int readparam(unsigned char *mac, unsigned char *stbid)5 i9 d' r4 i5 `& `
- {
( S9 M2 b. P/ p- u - int fd, ret;8 T& x1 `3 k0 r/ ?, F0 b; o0 i& u
- e2prom_s_cmd arg;4 Q# ?6 P) ]* c& f2 |
- unsigned char buf[0x18];
" M8 k# `6 p' G4 w
. L5 q4 k& d( J \) f- u- fd = open(E2PROM_DEVICE, O_RDWR);
' e6 U) Y8 [, Z- R& A - if (fd < 0) {
8 B$ o$ r: D( ^$ o" J* [$ ] - printf("Device %s open error.\n", E2PROM_DEVICE);4 R+ V0 z2 I5 z7 F& H( o
- return -1;
# o- m6 j$ t0 r2 V# z+ R - }
T6 H- S% A- T% ?% _: N - arg.sub_addr_count = 2;- S2 P( A. D+ p
- arg.data_count = 0x18;3 m2 F# O! N# `9 w3 Y# l. S, D
- arg.e2prom_cmd_sub_addr = 0x290; A# K& d0 q/ p
- arg.e2prom_cmd_data = buf;0 M# j, ]/ M/ ?+ o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ Y( _' o6 k. S* H% P8 H: I
- if (ret != 0) {
3 A+ S8 @2 G2 Z" a Y/ X: Z - printf("Device %s read error.\n", E2PROM_DEVICE);. j3 j, }6 w! k" m( F$ Z
- return -1;
2 O" Y% V* i* b. t; \- l b - }
' p0 y! u1 a/ _5 t( A - memcpy(mac, buf, 6);
$ q/ k* t, F5 z# s/ ? - memcpy(stbid, &buf[6], 18);) V I) L$ _: J
- stbid[18] = '\0';; I' {. I# M& S% H, x
- . Z5 v2 m' G. J9 U
- return 0;! T0 w+ {% m' l3 j
- }* l% x! ]$ T3 J7 O6 d" ~2 u# ^& i: t
- ' v6 S+ m* G: J8 @; z) X$ W; X
- static int writeparam(unsigned char *mac, unsigned char *stbid)0 J- _& f" J: E* |; D# g# Y
- {2 ^, ^. b9 H, {( P
- int fd, ret;! ~5 \( m q( s+ H
- e2prom_s_cmd arg;; q K0 G8 z8 H5 n. e
- unsigned char buf[0x18];
3 S1 b# h) |) x9 o
o. c' N/ }/ z# g D7 J- memcpy(buf, mac, 6);+ Q, M7 C# P% r# n2 \. `" A
- memcpy(&buf[6], stbid, 18);8 ?" M( m7 F, v9 h
- fd = open(E2PROM_DEVICE, O_RDWR);% @' t# f# W( K2 p9 ~+ P _
- if (fd < 0) {# K) Q* h! u9 |. E
- printf("Device %s open error.\n", E2PROM_DEVICE);/ { {1 `3 p: p
- return -1;
- `/ T& Q& R& b) m9 B V) F, _4 u - }/ j& P! b0 d! D9 B6 j, j- Z0 @
- arg.sub_addr_count = 2;
' {- ?" ]6 \& V0 S+ p/ I9 w% u - arg.data_count = 0x18;
$ l( Q6 i% B6 c. U0 h. \ - arg.e2prom_cmd_sub_addr = 0x290;
" R6 Y, |% q" d1 g r: z* M - arg.e2prom_cmd_data = buf;
6 b: N& B1 h! ~7 Y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 [0 a# K* p! T! u& o: ^' A4 t$ H
- if (ret != 0) {, B' ~7 c' `! u% |" d- w
- printf("Device %s write error.\n", E2PROM_DEVICE);
* G8 G2 [9 r+ u2 @ - return -1;- z, d$ l+ x% I" w, {4 T
- }
+ r! Y# L' {6 I. |. d8 [
: b( @! m% V8 }$ x8 S- M- return 0;
! V9 g' v6 d# o( O( M8 d Q - }5 m- v0 Q. ?( p+ s9 x
# X9 g; v% W$ B- int main()* P- ~* K8 ?: L1 f4 `4 @
- {- ~) S/ q$ l( N. {2 `7 r$ _
- char c;5 g9 _( N' z D# t
- int i, macs[6];
6 C8 z! F& }: ~! o% p: k( N6 D - unsigned char mac[6];
' x8 u3 p! X( R7 Q! ^( w" L. R7 f9 E - unsigned char stbid[256];
J9 O! y, Y- g7 z, j9 N
% w7 l( b d/ V1 F T, J1 X- if (readparam(mac, stbid) < 0)) O# ^. G0 o, f7 k8 f2 h* R
- return 1;. s- c) Z# ^: G A
- 6 a# e7 r$ j4 D' r
- printf("Current parameters: \n"); Y" @1 m) j5 _3 x9 Y* z9 Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, H" n: M( E3 p; B+ D b
- printf(" STBID: %s\n", stbid);
+ h' N2 M6 z; f0 W$ x0 t -
/ @6 |% d' M- O- {; p. M3 f' }1 c! O - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 l/ u" j1 }# x. W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 K3 F8 S# o: }; ?' Z - printf("Input MAC error\n");( D& t+ j9 p1 R
- return 1;
4 H# g! z2 w1 Z7 U$ L5 B - }
2 E& F' I4 ~5 Y. X$ } - for (i=0; i<6; i++)mac[i] = macs[i];
1 Q) ?4 g& Y; I6 D - printf("\nPlease input new STBID: ");) R4 L6 I4 p0 J1 D
- scanf("%s", stbid);
$ D' J& K/ C; c) _8 v( k - if (strlen(stbid) != 18) {
/ Z( s7 e7 |- E- h3 _, t - printf("Invalid stbid\n");" Y3 U( k& j0 j6 g. D D8 O
- return 1;/ b; F4 g! |2 T% }$ F
- }
. R% b, C8 E2 L' K - printf("\nNew parameters: \n");) r/ v+ K( N* s; P L& m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; B/ M& s' ] u0 c, r
- printf(" STBID: %s\n", stbid); }6 w X. j) j5 g
' t/ h$ o& r" f% F6 t3 X. l+ I# }- N- printf("\nDo you want to change paramemters? (y/N) ");
, v1 S9 _6 c) i% O3 L# D - for (;;) {* J" M/ _% ?9 _8 t; U
- c = getchar();3 t) U7 p5 e# K. Y; M
- if (c == 'y' || c == 'Y')
- g$ l. j: Z9 n - break;
! k/ U* R( e- m5 Z1 T8 C- w/ Y - if (c == 'n' || c == 'N') {8 ?; \! c* p7 m) [% P5 a2 I. N- ~/ x
- printf("\nAborted.\n");# g! k. I; g# ]8 D, G
- return 1;
0 v4 J2 s. D5 }/ a- D - }, u+ W5 X$ z! ~0 a* e) ^
- }
6 v4 Z) J3 {$ B$ q - if (writeparam(mac, stbid) == 0) 7 R6 R3 Z; s$ G8 l& W7 A6 S
- printf("Parameters changed.\n");) R o' ?: @6 V
9 Q7 |$ z& V9 a: M- return 0;
( B7 s9 B( p. q- _ - }
复制代码 |