本帖最后由 0522 于 2012-3-21 23:04 编辑 : X5 J7 z9 d7 y4 p; c% D
k! B1 c# U, q; I8 w* q, a% B, O修改的代码早有了。到今天不会编译。
! X0 o% A+ @ a4 @# k3 f需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 H4 g: p( M% I" E! z - #include <malloc.h>
* N4 G/ p- K0 j6 y - #include <sys/types.h>
% w" i; O$ ?5 o; l! Z - #include <sys/stat.h>
8 P" y& a: f$ n8 F: b1 X - #include <sys/ioctl.h>
y/ Y- B7 C8 K! _* u - #include <stdio.h>
7 I# d& J0 D' f* Y( l - #include <string.h>
+ ^/ L6 e0 d, p6 u, o& ? - 6 l4 U- a, R6 v! s& N7 P8 t
- typedef struct {
9 R4 I* G* ^& H, ]. J: J0 v - unsigned int e2prom_cmd_sub_addr;6 A3 i) q( Z K0 B, c
- unsigned int sub_addr_count;
T0 T' |# z- A* f - unsigned char* e2prom_cmd_data;
; U* P. V5 B% z9 j: O5 u3 q0 s3 a - unsigned int data_count;0 H5 E$ \3 p4 M4 o1 g5 c2 r$ r
- } e2prom_s_cmd;
% J4 x6 ?5 x5 N7 P: f* @9 h! B4 [ - 9 ?' a$ O7 ^9 C) l/ q
- #define E2PROM_CMD_READ 10 `9 v! G1 q$ n% o3 P+ D
- #define E2PROM_CMD_WRITE 2
k9 {/ y* K3 ~8 j9 [( I l P$ j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! q _* {- ], U0 i7 f" B
- + T" b6 Y! e- l- W
- static int readparam(unsigned char *mac, unsigned char *stbid)
- v, j9 Q8 H1 i - {
. A/ M: v4 I ?6 Q7 D - int fd, ret;
+ Z3 P( ^% x$ k( v - e2prom_s_cmd arg;
' ]9 t. C* c3 G4 Q7 n - unsigned char buf[0x18];0 k8 f: p; z {
$ L, t7 F7 _ ?! v; Q- fd = open(E2PROM_DEVICE, O_RDWR);6 Z+ X1 ?# z1 S7 F4 Z7 K& g7 K, [! h
- if (fd < 0) {8 O, n, K) a# T; [
- printf("Device %s open error.\n", E2PROM_DEVICE);. Z: u; }% K" m
- return -1;
3 a: e- U! H- X: m; V - }, F) A% f) @9 ]% {
- arg.sub_addr_count = 2;
5 d" u$ v+ @' I) F1 V3 A - arg.data_count = 0x18;6 s0 Y6 p" l7 X/ H( I9 [2 R
- arg.e2prom_cmd_sub_addr = 0x290;
- t* ?/ A' }" E- x, x( ]4 Q - arg.e2prom_cmd_data = buf;
2 k6 q' n- b$ m6 p( K* A - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. U: r- H5 v9 l0 l/ U: b$ b) ~' k
- if (ret != 0) { l( }$ v$ f$ K' y+ U0 u$ d4 b
- printf("Device %s read error.\n", E2PROM_DEVICE);
^# _, Y$ o4 } ~* M) h - return -1;
: t. L' U0 O( R: z f) n, H - }
" E4 {: ` ]$ I# [ - memcpy(mac, buf, 6); c1 q2 f( n' w% l4 s: i- d' D
- memcpy(stbid, &buf[6], 18);( n9 I5 F, p( O/ k' H
- stbid[18] = '\0';
- [: y6 Y: ?, c1 P1 m9 B - 2 m0 U4 e* e& ]
- return 0;: z& H/ h6 I, @8 Q) T* k1 m
- }- y$ |, f6 B1 }1 B; y6 L! _9 y3 I2 x7 B
- % f' \" k8 a+ H0 t# w! a3 ?6 b6 f, S
- static int writeparam(unsigned char *mac, unsigned char *stbid)
! k7 G0 o0 g w. B' R+ y! k6 D" b( x - {# \! l# N: H8 c: n
- int fd, ret;) [& c: M1 Y. V
- e2prom_s_cmd arg;
0 }7 Y$ Y* k( Y! ?1 o - unsigned char buf[0x18];
. y: s# S" k/ e& P' m: ~
! i* |$ |) C3 f7 `: c% {6 ~0 V- memcpy(buf, mac, 6);
0 Z8 X2 l; S6 O& j9 d8 F) f8 O/ V - memcpy(&buf[6], stbid, 18);/ Q: x1 Z4 a6 g0 ^. H4 f
- fd = open(E2PROM_DEVICE, O_RDWR);
5 x- A* u4 W% g u - if (fd < 0) {! P3 q' Z Q' T) A# N; o
- printf("Device %s open error.\n", E2PROM_DEVICE);# c# O* X" ^/ K( B; R0 x
- return -1;9 ^+ m6 q0 f5 e. z7 W# x5 x
- }
6 S- `- m" w3 w2 b4 ] - arg.sub_addr_count = 2; k* u. q) H' J/ X
- arg.data_count = 0x18;' W+ y! m5 R, o7 f: i
- arg.e2prom_cmd_sub_addr = 0x290;* N: C; h( m2 ?1 [) V
- arg.e2prom_cmd_data = buf;
. S n. E y( s* n - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ B# U7 \% P: A0 g
- if (ret != 0) {
9 e9 N+ T4 f o! O0 B0 t* w - printf("Device %s write error.\n", E2PROM_DEVICE);
) r7 p8 m2 v1 t1 q' [0 p9 Q - return -1;; V( I0 R7 }6 _
- }) x6 w, R& E" |0 X' ?
* m/ A, a: i, i9 o( `+ Z$ K+ ?- return 0;
8 y! ^, J' `2 L2 P( \ - }
+ z3 K4 F" G+ P" m/ C# i! n: h
# t) G$ b2 u* s0 E$ ?- int main()
) s( @4 l* {' W+ J - {
: B; Z' t6 n- L. b1 G - char c;
. }# U3 P+ Z" o" J. } - int i, macs[6];# N$ B& I5 L; E5 p- d
- unsigned char mac[6];
+ }0 ?6 M( f3 s! z - unsigned char stbid[256];
- I) k) r/ d, R* g
8 _% e9 j# Q5 ]- p h3 X- if (readparam(mac, stbid) < 0)
* | C. q9 s7 o5 c2 \/ q - return 1;
; ~7 \/ T$ j+ j2 `/ Q/ d - " ~: S1 b# f2 X" i3 @2 `9 Z
- printf("Current parameters: \n");
# a' _6 P5 S' e; x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 p' i2 M3 J8 z7 [ - printf(" STBID: %s\n", stbid);
6 K: E% y8 g- f# J3 d0 @ -
( y' C: p+ B. N/ x9 t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: h# c0 r$ S/ c% Q2 f" Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 `& i; C7 Y: o* }
- printf("Input MAC error\n");
4 K; T! b1 B7 ]- {7 z, X# C7 ? - return 1;: }0 G" `" W& v% r/ N
- }
$ `3 X8 }* X0 f* Q' D - for (i=0; i<6; i++)mac[i] = macs[i];$ b" R: G) ~! o" {
- printf("\nPlease input new STBID: ");* S* u. C( \) I& ?
- scanf("%s", stbid);
+ R% \) u* R: K" W; a5 A) o# ` - if (strlen(stbid) != 18) {, _9 U, u8 S1 J2 e, }- a
- printf("Invalid stbid\n"); L) G' H, ~2 ]5 m3 v" V: q0 H2 h
- return 1;6 {8 s: @2 b! i3 B6 P
- }
4 _( B3 s2 m/ U( K - printf("\nNew parameters: \n");
: D' u" X- x( I7 F# A& } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 X; x% T/ h" L1 S9 [
- printf(" STBID: %s\n", stbid);: W9 X& v6 f/ O1 W7 a0 B* o i5 H$ E
- % {7 k* t, q% N8 Q0 c3 h0 e. ]
- printf("\nDo you want to change paramemters? (y/N) ");% u& e8 f% V% N
- for (;;) {
6 o' ]. x3 } V( S M - c = getchar();
7 V+ _& [- j" s0 J# o% h& ]$ d - if (c == 'y' || c == 'Y')* @8 h6 J2 v* [* ]- F2 w
- break;9 l1 [3 P" K2 a' Q& n
- if (c == 'n' || c == 'N') {; w9 ^8 D2 n! e. `. Q2 ?
- printf("\nAborted.\n");
0 m% {% ~% x9 L - return 1;2 K5 U2 f" E5 c- s6 ^) s
- }- o) M' x: \% C! n: K/ {# K
- }: @# k1 r) ~) t3 A% l
- if (writeparam(mac, stbid) == 0)
# k( P9 M2 b5 C - printf("Parameters changed.\n");
- n- ~( t# Q! \4 _9 h' u" l) T
0 q1 U4 h5 Q \$ j; w8 A- ~- return 0;
( w0 ^, U8 N" h' v8 Z! M - }
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