本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
$ p4 W. a- y8 b- @( {/ w7 m( b2 J6 Y需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* b9 } h& I# x6 V! \
- #include <malloc.h>' e. ]! L' g( H4 P# r
- #include <sys/types.h>; Q( o) x1 H8 B* o# h& ~# S) e) R& c
- #include <sys/stat.h>
; p+ i! V1 G- \: E4 }1 Q$ _ - #include <sys/ioctl.h>7 ^! ~8 Q& u0 v. J% g# \1 U
- #include <stdio.h>
) S! u8 i- l1 Z" d7 D* U0 _& x - #include <string.h>5 l, Q' H& c/ v1 L5 m
- & N7 C, @! a$ o6 X# c
- typedef struct {
0 T" t$ z/ H6 p( E) f: z" m1 C O - unsigned int e2prom_cmd_sub_addr;
( w4 H. p, K! l - unsigned int sub_addr_count;
' ^+ h- m6 O$ h! ]$ {& k1 m - unsigned char* e2prom_cmd_data;
' n; b" M1 z$ j$ k) M& o c8 u - unsigned int data_count;( c, X2 ^% X# ]
- } e2prom_s_cmd;9 {$ X4 A; ~' Q& G& b( k6 [
- ' t" M- p/ `6 C+ d* x
- #define E2PROM_CMD_READ 1
% x- w g' j4 v, K# P3 [: O - #define E2PROM_CMD_WRITE 2
0 v: J8 k4 j; ?5 }/ l; ^. y, e - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", ^0 k6 R# d1 h4 l$ ?; `
& N3 J% p" `" j0 i H& F- static int readparam(unsigned char *mac, unsigned char *stbid)
; ?8 G! y% z" J8 J; z9 o) F - {
# D! Z! { U% s: O% B - int fd, ret;
( [, K: p3 S A Y. v! D - e2prom_s_cmd arg;# U3 a1 |* f& p5 n/ d* g$ K5 y
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
" ]& F4 W' x2 f& B/ P) T - if (fd < 0) {! y" W2 ?- [, f$ v/ V \( B( Z
- printf("Device %s open error.\n", E2PROM_DEVICE);, ^+ {0 \0 |9 i! o/ \
- return -1;, q: q' `. u3 v$ b
- }+ C0 I/ j: ?0 n& P' F- r& v
- arg.sub_addr_count = 2;- G/ f( t- H# F, X/ y) I- y( ^' o
- arg.data_count = 0x18;0 V" o" I4 [" ^( ]9 ]5 R, t
- arg.e2prom_cmd_sub_addr = 0x290;) s( c( z& ]# T7 m4 Y
- arg.e2prom_cmd_data = buf;
2 w9 r; d" f2 v4 S9 }. f - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. y& U2 ^- b0 Z2 l) x0 ?
- if (ret != 0) {& p+ \' P# Z& m O# L/ c1 Q z
- printf("Device %s read error.\n", E2PROM_DEVICE);
6 N3 Y* s3 A& n$ U9 t7 l - return -1;
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- memcpy(mac, buf, 6);
& j! G$ \1 d0 @6 r# A - memcpy(stbid, &buf[6], 18);/ p1 h( z- Z! A1 E
- stbid[18] = '\0';
+ O, W6 H# n. p: [( E0 E
! q/ ?+ M1 E) Z+ r! G/ \- return 0;1 A1 l% p$ {' |' Q1 x+ }; Y
- }: T' f& x7 F& [
; |2 U6 m* ^' j j9 y- static int writeparam(unsigned char *mac, unsigned char *stbid)% b. F* E+ o2 b4 B$ e: u/ C
- {3 t' }' P0 i4 h! \+ X/ M! ?
- int fd, ret;' v1 ?4 N- q+ t
- e2prom_s_cmd arg;
+ [, P4 Q/ Y# z6 {6 S7 | - unsigned char buf[0x18];2 U# i$ s0 `3 w8 p
# b+ X0 r3 ~6 \& r" F# m/ D- memcpy(buf, mac, 6);; N, r, A, I: v# V! L8 B0 }
- memcpy(&buf[6], stbid, 18);
+ {3 Y* {7 {/ \' l4 ~5 O" @ - fd = open(E2PROM_DEVICE, O_RDWR);# E: I# ?% n1 P- ]; k, w# n
- if (fd < 0) {3 l$ k( ^3 H k8 Z0 {# I" [
- printf("Device %s open error.\n", E2PROM_DEVICE);
- H" W- L( \% ?6 Y6 M, V - return -1;# s2 f F0 r0 |' z- l7 C. Z2 Y3 @3 i3 K
- }
* O" u: w+ Z" G! O8 k' r/ } F - arg.sub_addr_count = 2;5 S* }2 F2 W' A6 q4 l9 j5 E
- arg.data_count = 0x18;
6 w6 s$ a. A. M2 u3 O - arg.e2prom_cmd_sub_addr = 0x290;, t9 V V0 O4 b& J2 }5 D* v" Q
- arg.e2prom_cmd_data = buf;
/ F8 U9 g c7 I - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! C ?! I* d9 |7 k4 o
- if (ret != 0) {1 D7 I0 Y8 a! y6 x6 u
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 F) i% z8 `: ~5 e& @$ O - return -1;( q5 Q, G* d/ b6 b
- }8 M `: p) ?8 r- p7 f8 `* ]; i/ `
. F9 T8 J K. R8 j Y8 Q- return 0;
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- 8 h2 b6 ]" p4 {. ]; D$ K i
- int main() u, ^5 j/ E3 d
- {6 M4 e6 ~3 ?1 D, ?! t
- char c;
( q: K8 | e9 ~5 v - int i, macs[6];
9 P: t) Q5 k( t - unsigned char mac[6];
) q0 w R, H( s3 h/ E - unsigned char stbid[256];
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2 U/ ^7 ?/ t6 d$ F$ C- if (readparam(mac, stbid) < 0)/ h' j% {: ~9 G( Y$ q2 F
- return 1;! w: g0 o; C$ n7 F# N: C2 y7 i& o
- 4 b, A7 l& b! d! \' W, i- A/ ?
- printf("Current parameters: \n");+ f; Y6 Q( C4 H3 n. ^- J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ N1 A; u: G4 T6 l! a. Q9 k& b - printf(" STBID: %s\n", stbid);; M! x s" t* S+ u8 D" G
-
( O F# P7 |/ ]# {1 _9 F6 [0 G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
y. k1 E1 b. a1 S+ \( f" k* w: } - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 Y6 E1 A- W( v/ N4 V" _, T6 o1 c - printf("Input MAC error\n");: m: F6 C9 _5 ?2 W7 ?7 O7 p" w
- return 1;9 M) x; N4 L5 L
- }
3 R/ v# i; f/ @1 ?' U0 \+ v - for (i=0; i<6; i++)mac[i] = macs[i];
0 M( |+ Z0 h3 b2 | - printf("\nPlease input new STBID: ");
, w, A7 C4 B8 {6 {3 t. K) H1 v - scanf("%s", stbid);
$ C! K8 W0 P7 T9 E* @ - if (strlen(stbid) != 18) {
; o" v: j: ` {; ~% r2 k5 u - printf("Invalid stbid\n");
) g3 O5 ^- i1 A$ h/ k, | - return 1;! _4 R) w5 o3 s! N
- }! r2 V- s" y! p2 q
- printf("\nNew parameters: \n");0 i; y* y- A- B) d b& A: i' L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 M, B/ H8 k* a - printf(" STBID: %s\n", stbid);
8 G0 q. w3 O/ Y* x - G$ b1 |; A l- }6 g7 M: i/ ?
- printf("\nDo you want to change paramemters? (y/N) ");' z4 R/ X* w2 r& V7 c8 y
- for (;;) {
6 D- V. D: J; s% U: a, ?1 K - c = getchar();
' g8 J7 [ C: q6 W# f4 H - if (c == 'y' || c == 'Y')9 }1 q" ]5 G, q# v* R
- break;- }# B) F' r8 J8 w7 W
- if (c == 'n' || c == 'N') {
4 X' {, o9 _" b$ p: o6 v - printf("\nAborted.\n");4 |9 V% c; ^ Z6 X$ `$ |
- return 1;
; Q/ T' g9 u% t/ H - }
3 b3 @8 n- A9 w' n! J6 D5 z - }
7 E. r% M% c$ h2 ]9 @/ j - if (writeparam(mac, stbid) == 0) " B6 j( |3 f/ N+ ^% s) e. f
- printf("Parameters changed.\n");$ [# _! c/ o( X' F
- . E5 \$ P1 H: }( o9 G5 i% j
- return 0;
" @0 V; D5 s" W) s t8 r8 u" `/ g - }
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