本帖最后由 0522 于 2012-3-21 23:04 编辑 o+ t8 M2 [9 V5 w4 B) m
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修改的代码早有了。到今天不会编译。
- ~% `$ }& C1 ^# x" ~' c1 r1 A, T需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& w" N4 s3 t3 W
- #include <malloc.h>- _) [9 ?& I7 _: D: L. B: X+ Q
- #include <sys/types.h>4 i+ {4 m. e% m. k: ^, _
- #include <sys/stat.h>9 j0 E- `( E, M9 F/ @
- #include <sys/ioctl.h>
) \6 p+ q& y( J/ w - #include <stdio.h>& b3 Q; h1 u! {; ?8 r
- #include <string.h>3 Z# g2 t; u$ E
- 2 Z |7 H) R. M; h. `0 ]5 ]
- typedef struct {
$ S- c v: ^6 o$ J+ {3 N - unsigned int e2prom_cmd_sub_addr; c3 B: ~8 N! Y4 a& z4 V* R, Z
- unsigned int sub_addr_count;
: W5 H& M" ^$ I$ X. p; @& j) d s% \ - unsigned char* e2prom_cmd_data;5 H/ Q' X3 `% i: ^* ]" x; z% m
- unsigned int data_count;# v4 |7 t* P5 H5 h" O
- } e2prom_s_cmd;! Y" ^8 _- q: `7 _
- 6 I, P, T3 H# r9 q9 i' n
- #define E2PROM_CMD_READ 14 x, P/ e3 S2 e; d# D/ k) h! C$ V
- #define E2PROM_CMD_WRITE 2
# Z) v M9 K" {1 p/ G, Y7 X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" |$ z4 H( I. A& z
, D- N1 E+ p$ v% {. R% \5 H- static int readparam(unsigned char *mac, unsigned char *stbid)4 B( ^% \: O- x# q. `' V; N
- {
# I) Z( N' `& U& g- Z$ o) i - int fd, ret;
6 c& N: x' G; K - e2prom_s_cmd arg;( f9 n6 T& C7 |2 V) `7 m6 F9 d+ o) d
- unsigned char buf[0x18];7 Z4 O/ t7 n- T
' D3 c8 R1 i0 b- fd = open(E2PROM_DEVICE, O_RDWR);% @6 q ^+ @. Z- Z: y) K
- if (fd < 0) {% L/ W& g2 Y# \( J; J. i
- printf("Device %s open error.\n", E2PROM_DEVICE);
U" d/ P9 ^: k - return -1;2 s; X* o! l- y( J
- }
$ `5 z2 J( D9 Y1 U+ ]& W3 W - arg.sub_addr_count = 2;2 t8 a0 s- S# e7 }5 X2 x/ J3 ?
- arg.data_count = 0x18;
: r& P0 V, C3 c5 D, P3 e' i - arg.e2prom_cmd_sub_addr = 0x290;) S+ i5 ?1 `$ g, x
- arg.e2prom_cmd_data = buf;
/ v" J* ?# E& o+ R6 k- V - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: ?8 f+ g- ?2 m! q9 A. n - if (ret != 0) {0 v4 K8 J* h' [
- printf("Device %s read error.\n", E2PROM_DEVICE);2 a" B- F' h' h5 {! {
- return -1;
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- memcpy(mac, buf, 6);
* \0 `& n: G2 t0 R# ~8 t - memcpy(stbid, &buf[6], 18);
! U& O3 ~/ [) x5 j - stbid[18] = '\0';/ h( m6 \( o5 n7 `2 `, M3 H
- 0 K& Y! s, o, e' i& O$ c
- return 0;3 t; X! G$ q! \4 U' B6 f
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)- f" f( U( V1 q( p4 F! V8 s
- {
% v/ x' ~. S8 r- }3 e0 \& Z( ` - int fd, ret;
# s1 ` e+ b% _' s5 o) h6 [ - e2prom_s_cmd arg;3 h& w7 r; V. a( E$ P1 U& ]
- unsigned char buf[0x18];* l( L, L, ~3 V5 P
( J* H2 Q5 C! I7 O6 q( F7 _- memcpy(buf, mac, 6);
4 M; ^7 ?5 h: y; i5 X& ^ - memcpy(&buf[6], stbid, 18);
$ ]- F; d* m; |- y8 W: H& T - fd = open(E2PROM_DEVICE, O_RDWR);, K- N$ `) z: Z( s! m* l
- if (fd < 0) {: H6 X2 I; o, w2 J: ]8 R& C) o
- printf("Device %s open error.\n", E2PROM_DEVICE);8 i: o' B$ I/ M7 _* _
- return -1;7 J7 Z6 l- _* a1 t! w2 |; J- i
- }/ Q6 A0 @1 C: j; h
- arg.sub_addr_count = 2;
& |# v4 o/ O% P6 e) u - arg.data_count = 0x18;
& L8 A5 s! r6 V8 y' |0 o. k4 E - arg.e2prom_cmd_sub_addr = 0x290;
6 d% T! }! t( @ - arg.e2prom_cmd_data = buf;" @& s. `, Z6 z7 ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; Q# H/ O8 x2 X+ M; U
- if (ret != 0) {
( m+ ?2 z: y& ~0 Z - printf("Device %s write error.\n", E2PROM_DEVICE);8 d3 f R# g' a
- return -1;( H* a! b' {) Z
- }
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5 S$ L. b3 H! M) B! J1 z: h- return 0;5 j- B5 v. Y( U0 i
- }# O0 ~+ f H; w6 L- {% }
- 9 I, [8 E* [) |* w: T6 |9 w
- int main(), w% U0 [; _2 L! E9 t0 o' ^
- { Q( Y. q, c0 n2 p7 U
- char c;* q; O) u f2 {! h2 ^6 I7 w' W
- int i, macs[6];
( ?1 |' q/ j/ n( @ - unsigned char mac[6];
" o( m% [1 V, Z5 z* O- t1 ` - unsigned char stbid[256];- I, Q0 r% A. z u" T8 B( s& c
7 J! k! r% Z$ q- if (readparam(mac, stbid) < 0)
8 Y' `. M/ W* }3 k3 i% z3 q( o - return 1;
) R5 E# {* c& }8 x
, ^) c4 b! X: m+ s* _- printf("Current parameters: \n");
( x6 S6 q" T% L0 I1 O4 |- P P+ I# ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- |% ?; F$ ^8 ^+ T" z9 u - printf(" STBID: %s\n", stbid);/ |. `' N' y" I0 I' N$ b
- 4 ?7 m9 L4 Z+ M, a4 l: T0 I
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: u. E6 T0 a) a) P$ l2 k1 ~
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { t0 t+ x: D3 W3 o& p% k* P
- printf("Input MAC error\n");
+ N* C4 J, i2 p" @& w9 B - return 1;
7 p4 `! P8 H9 t% J1 a! m! b4 v2 h - }
# L# V& `- l H; e) G' A& T+ I - for (i=0; i<6; i++)mac[i] = macs[i];0 E* i+ e) a" s: z& ?1 P
- printf("\nPlease input new STBID: ");
! }' q: ^! K# ^7 O3 v/ b - scanf("%s", stbid);
) t+ f8 M* `' y6 s& G0 a$ g" c: n - if (strlen(stbid) != 18) {
$ ?1 w- A2 N9 R* ~ - printf("Invalid stbid\n");* u! e* u! @& p- U% l. S
- return 1;
7 u8 C. r% ^3 y( ? - }0 |1 I ~# C- b! s6 e$ ?
- printf("\nNew parameters: \n");
! y3 A/ F1 E3 f- U+ @) D - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
N8 [$ D" n- Y# J* e0 X5 B( I - printf(" STBID: %s\n", stbid);
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2 H& F6 [9 \! Q+ {! @7 Q# R. {- printf("\nDo you want to change paramemters? (y/N) ");
! H* p2 y. e1 n* h( R - for (;;) {8 v8 h; i+ t( E4 C+ y7 ]* E
- c = getchar();2 @ d0 z6 x4 J# X/ c
- if (c == 'y' || c == 'Y')
v) ]# v6 e) ?; E( F+ g3 y. v - break;
6 {6 L/ A! ?, z" h9 p, W1 w) j( h. z" r - if (c == 'n' || c == 'N') {
0 R' j# {$ Z t9 ^% G" U+ s" t - printf("\nAborted.\n");
f: }( _+ p0 W6 ^" y, A! J - return 1;
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- }% u2 ]* F+ @- `0 O
- if (writeparam(mac, stbid) == 0)
4 d4 q# ?' @( Z# R. p7 C - printf("Parameters changed.\n");7 V% f/ {4 L8 H5 j! n" ]8 s2 y3 \
- 0 p# E+ m A- ]
- return 0; y+ G5 F0 k6 F. J8 H. o
- }
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