本帖最后由 0522 于 2012-3-21 23:04 编辑
4 V2 c6 k3 t) }$ ^. M4 S7 k; W/ V. L4 x- u, s: a
修改的代码早有了。到今天不会编译。
. G$ w0 D! u2 A/ f需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. d% E5 t; N$ o- b - #include <malloc.h>% Y9 g8 g- D. g& I. o
- #include <sys/types.h>7 O1 P6 }2 G# @: h ~
- #include <sys/stat.h>2 d$ j6 ?, \6 k1 |2 A
- #include <sys/ioctl.h>" `) t/ b0 N. T( i
- #include <stdio.h>
! y9 ]6 h3 `' q/ U% V - #include <string.h>
\! x1 Z8 v) P( `; P - }, ~+ O9 b9 l( J& B
- typedef struct {1 P7 c2 d6 I, I h0 p
- unsigned int e2prom_cmd_sub_addr;3 [7 k5 S: h3 n
- unsigned int sub_addr_count;
8 @1 |, w- W x @2 h - unsigned char* e2prom_cmd_data;# q; M/ o! \! V
- unsigned int data_count;4 ^+ t* @5 C0 [1 V! }
- } e2prom_s_cmd;5 n4 q6 ^6 @( |+ m7 f
0 \4 E$ }4 j: C( j! I B- #define E2PROM_CMD_READ 1& ]0 G% H6 W' k T$ Q# q) ~. B
- #define E2PROM_CMD_WRITE 25 ~ ]' `: x7 q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", N7 o9 E2 z+ ?0 ~4 O
- $ W- l3 J5 v, Z& w1 ^" j
- static int readparam(unsigned char *mac, unsigned char *stbid)9 q/ a5 E" y9 B* y
- {
9 b. c/ j3 H7 I - int fd, ret;
% T* }5 [" L. w) z - e2prom_s_cmd arg;2 t% K/ @ ~8 R. n% M# A
- unsigned char buf[0x18];" c/ h2 [5 q7 k0 ~3 W
- ) i/ |1 F# w4 @
- fd = open(E2PROM_DEVICE, O_RDWR);
! L: r5 z# M$ Y/ D - if (fd < 0) {& z* [& w( f6 h
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ y. j' r3 v8 _# c - return -1;! |8 P4 t% }/ u/ N
- }: |- G7 O8 Z( E2 }9 y9 {+ l
- arg.sub_addr_count = 2;
0 G/ p9 k3 I" [! V0 {/ ?# f - arg.data_count = 0x18;+ B6 l v' H- P9 A2 e
- arg.e2prom_cmd_sub_addr = 0x290;
% i4 h5 N I% e/ h9 i0 t7 x( ^, q& N+ o: C. A - arg.e2prom_cmd_data = buf;( V) a' y" L7 M0 T e# B4 m0 {
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ U7 y' i& ?) C: r2 S/ W' d# B - if (ret != 0) {2 k2 l5 w- W) p3 l, C# m0 y+ k' E
- printf("Device %s read error.\n", E2PROM_DEVICE);& a" i" Z/ I! W$ S( r* L
- return -1;( L" y' C+ F, [, Y& M' X5 [/ c7 Y: d ^
- }
! n# X* F# j2 n: p0 }5 j% T$ k3 w - memcpy(mac, buf, 6);. a: z2 T, m% w! \
- memcpy(stbid, &buf[6], 18);
( p7 {/ j& E4 d8 Q+ m/ D - stbid[18] = '\0';
& r, |) a$ {/ P M# ` v% @
, s9 ^! f. Q! z# a( [7 R- return 0;- B* I7 K( h l
- }
+ Y% s2 s) W/ O( W - 8 R0 E- L. k$ a, s- V0 {5 l
- static int writeparam(unsigned char *mac, unsigned char *stbid): C+ y( m: C- H& n
- {/ }. {$ n) J; e+ G/ |* @
- int fd, ret;8 u" f4 g2 i* I+ z6 \) P
- e2prom_s_cmd arg;
1 _# R) ]* V( p0 s" E - unsigned char buf[0x18];
5 R$ }2 `( n l7 r$ X# W& d - / n3 {! B, J" o7 Z ]# u
- memcpy(buf, mac, 6);) \7 U7 g5 K! x" z1 f6 q
- memcpy(&buf[6], stbid, 18);
m: Z1 P5 ~( \7 b; @- z2 B8 v7 M - fd = open(E2PROM_DEVICE, O_RDWR);
- r! `5 S; g2 f: T! s - if (fd < 0) {- L, n5 m; y5 e0 ^1 ~( Y5 c
- printf("Device %s open error.\n", E2PROM_DEVICE);( n! m' V6 w5 B2 C9 }3 u
- return -1;# s% z, K! |. {
- }. {. a: T$ v' H! M8 u. R
- arg.sub_addr_count = 2;
, t6 s* e& D4 O; T0 G - arg.data_count = 0x18;" m7 g5 B( v- w
- arg.e2prom_cmd_sub_addr = 0x290;
5 ?9 {4 }- L9 P- U- o - arg.e2prom_cmd_data = buf;
' q4 h4 {- }2 K, f - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; g5 V7 ^, f0 q0 L2 |8 C - if (ret != 0) {; }& A9 ? a5 v
- printf("Device %s write error.\n", E2PROM_DEVICE);
* L# b" _& p4 G - return -1;3 m! b9 s! G: M A1 Y: z2 m+ W7 g* D/ @
- }
+ j( F( R2 a2 Y
9 R: e, X( o% I- j1 N- return 0;
$ N1 K, u- O+ g. ?8 j - }
& m S' g7 g. c( }- m- B - 5 U: V" X4 D2 ~
- int main()/ A) R# f/ W- @. o+ ]; T
- {& S. a0 Z. j. f# F$ i) U4 `3 Q
- char c;
# c) x; y; {" X5 j' O - int i, macs[6]; I( \# m8 s' q, F
- unsigned char mac[6];; F! B6 V0 s; v W3 e
- unsigned char stbid[256];
! w f9 j+ z0 E- e# }7 ], v2 y
" q' v4 Q' V4 [0 z" ~# p1 F- if (readparam(mac, stbid) < 0)
: Y5 @$ f5 T/ s+ n$ o - return 1;
5 \2 i" z1 l% L9 p2 U
8 m* R8 k. ^! `: `* F- printf("Current parameters: \n");
1 d6 f }; Y3 S, k2 t+ j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 V$ Q% j8 i$ C! b. U2 }
- printf(" STBID: %s\n", stbid);3 m9 m* ^( S! j2 O8 A0 m/ s
- . D! [0 v2 t/ l' @$ o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ |; [2 R f' B2 i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 u( c; y4 O# d l# A! C - printf("Input MAC error\n");) ?0 C. V+ W# n- _2 d0 b# H$ H
- return 1;
4 }; ?* c* W6 e) N - }
* p- s- f9 b8 d, `( r - for (i=0; i<6; i++)mac[i] = macs[i];
) P7 ?3 S V& z8 m- ~/ ? - printf("\nPlease input new STBID: ");
G6 o- x R4 w% K5 {: S) Z; z - scanf("%s", stbid);
, K6 ^9 |: b6 n6 N D2 A$ T - if (strlen(stbid) != 18) {; @: B" ^ c, v: a# n0 [! ^/ \
- printf("Invalid stbid\n");
) [. T) l" x0 `$ _6 M - return 1;+ v% p R0 v' O* X! C# n
- }& J, T9 F( H, A- _% O
- printf("\nNew parameters: \n");2 R( f# |$ E8 _/ M% h+ M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* A5 }1 y4 z7 w$ I f4 k
- printf(" STBID: %s\n", stbid);% k5 M' Z* B( a( ~% }. H
% G$ a9 m7 T1 q- printf("\nDo you want to change paramemters? (y/N) ");9 r4 m5 o9 q6 ~
- for (;;) {
$ ~- O9 O! F" X: I U: e) P# z" ?3 | - c = getchar();; s5 x9 W4 A( r& a" o* D
- if (c == 'y' || c == 'Y')$ h. a' U, L) t' k, ]. `' q+ I( D
- break;
, v @1 X3 o' n& A, ]3 z4 | - if (c == 'n' || c == 'N') {8 i9 h3 {. E$ s$ X" |0 p' }
- printf("\nAborted.\n");
, m/ V) F# P% D% K& z3 N% h - return 1;# o8 v# @3 f! `
- }
. o8 `/ H) q, b: c' I: A - }( L; c6 H# _* _( }' S9 ~
- if (writeparam(mac, stbid) == 0)
1 \' V" Y# b" {; x; c5 ^5 s - printf("Parameters changed.\n");
( H* {( I i3 z' C+ V - 1 |' d) p/ D, V; i- w( r
- return 0;9 b7 N9 u; C; g) o5 M n- o6 d1 L/ e
- }
复制代码 |