本帖最后由 0522 于 2012-3-21 23:04 编辑 # V% T7 N" d4 x. C6 ?1 V: O+ I8 n
# j2 ~) C0 i4 A6 ^1 K修改的代码早有了。到今天不会编译。
1 ~ t' F; c! E' {% P需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 B5 @" a; z& r) _- f- C
- #include <malloc.h>, ]* ]5 D7 @% K8 L0 [0 b) S6 V' {
- #include <sys/types.h>
' z. z, f5 b( j - #include <sys/stat.h>: B8 u3 O2 A" U" e! M
- #include <sys/ioctl.h>
4 Z% h* d6 K4 V6 U! K8 w - #include <stdio.h>
- o& Z( \# Q0 k5 X; t1 }- q - #include <string.h> K3 T" H8 _2 K& x! s4 u2 t
- 4 a2 M) \0 \ r4 Q& Y
- typedef struct {6 h9 m5 }7 O j' S2 J5 M8 R! _
- unsigned int e2prom_cmd_sub_addr;
" R/ U. H+ _4 _5 L- s' n - unsigned int sub_addr_count;
/ h0 }7 z2 ^& h( ^4 }$ E - unsigned char* e2prom_cmd_data;$ s5 |, a1 I5 G
- unsigned int data_count;) ~; s4 `3 n( R
- } e2prom_s_cmd;# [. o6 w- P9 u: C: ^
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- #define E2PROM_CMD_READ 1& k& O9 F2 |! ~7 w/ E% X+ U; o
- #define E2PROM_CMD_WRITE 2, A* N, _1 u+ Q: D5 J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;# f- Q' x3 W; G/ \0 B
- e2prom_s_cmd arg;
1 t- l9 h1 @$ [: K6 r7 I. u4 N - unsigned char buf[0x18];4 X# ^5 Z. |, _4 R
5 _8 f; \, `) O, \8 U- e2 m- fd = open(E2PROM_DEVICE, O_RDWR);4 Y; J+ [7 R7 d/ J% P# ]+ e
- if (fd < 0) {3 Y' N6 S, h6 D- G
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 K0 W7 [3 _1 B! S - return -1;6 V$ R( v7 t: D. z
- }
, k; K* h' S; u5 w3 A - arg.sub_addr_count = 2;
8 a8 o# I7 M* a* F/ L - arg.data_count = 0x18;; v( R5 i0 T& x, p+ `! h: z
- arg.e2prom_cmd_sub_addr = 0x290;( E2 A4 w5 q) i# c* O I0 Q# l
- arg.e2prom_cmd_data = buf;
, [0 Z. r$ t" g" \; J - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- S- m6 U& k) e- _; ]0 k1 Q - if (ret != 0) {
/ }, e! O8 o' V2 N% z - printf("Device %s read error.\n", E2PROM_DEVICE);
0 g6 Z7 F) }: G - return -1;9 k. f. f: f( d m
- }1 w# U/ w- y+ D! D0 d
- memcpy(mac, buf, 6);9 N+ P& T: [' Z/ N
- memcpy(stbid, &buf[6], 18);
, G8 Q( b1 V2 m- J - stbid[18] = '\0';
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- return 0;
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, l, e; G6 }' S4 t, n- static int writeparam(unsigned char *mac, unsigned char *stbid)
- [4 ^1 q& @1 W5 j, w0 u$ S - {
, G( z' f K& M7 x) O& M7 D - int fd, ret;4 A& T! z$ E; r6 r9 S
- e2prom_s_cmd arg;
3 G6 p8 J: z: i+ p- P% s - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
5 T5 l' A+ Y( _- C( j" n - memcpy(&buf[6], stbid, 18);& C* N4 }( B( {" q+ @
- fd = open(E2PROM_DEVICE, O_RDWR);$ Y1 d" W1 x, [: O: o2 e% W( a
- if (fd < 0) {* H5 W1 H7 W. B
- printf("Device %s open error.\n", E2PROM_DEVICE);4 w u9 u& s5 ?7 V! s
- return -1;
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- arg.sub_addr_count = 2;
S) |- A$ h+ _ - arg.data_count = 0x18;
- W3 ^& l8 |3 `4 Z9 ^ - arg.e2prom_cmd_sub_addr = 0x290;9 X' v" `2 ]- W( p; U6 [( m! E
- arg.e2prom_cmd_data = buf;
' I* _& f. o( I - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' j2 \; K0 j' ~3 h; D' ?+ w
- if (ret != 0) {
# o3 J1 T# e# C( D8 V0 b - printf("Device %s write error.\n", E2PROM_DEVICE);
* ^1 ^' J4 u7 z& o - return -1;$ q, r6 ^' a5 S8 T/ r
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% T" ]0 q2 l- z! ]# |% S h, {- return 0;% ~! C$ l' \& l. C4 y
- }4 [( n& ?: T! T( v: P9 P/ Q" N
- 1 m/ b* Y P& U8 i* y" B! ]" ]
- int main()
: u; {3 x1 [6 G" R' h - {
0 u1 s8 Q/ f4 c - char c;
5 z" }9 D$ z8 y' X - int i, macs[6]; O$ l4 V0 a/ A5 [) C* u
- unsigned char mac[6];
$ M9 c+ u" T* x - unsigned char stbid[256];4 |( ]# Y6 I4 ^9 v: O" a; W( @
- ( v- \! K3 n- F& q. m% ?
- if (readparam(mac, stbid) < 0)
) Y' y/ _. w3 s* N# O8 q - return 1;7 U9 l3 S& A" \- ~5 A5 ]
- + Z! p2 ~$ s# H
- printf("Current parameters: \n");
; q6 G' \5 E& _5 A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 h' Q: y, Z; b: P" R: |/ B0 c2 O9 G8 E - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 B. e/ k# S s- P0 F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 n4 A' P& w: ?! ]8 I/ U
- printf("Input MAC error\n");
' a1 @9 Q6 `1 q T - return 1;
. e1 Y5 C) b* M6 K2 g5 v& l - }
' I4 i* q" l- T2 d( t' R8 l - for (i=0; i<6; i++)mac[i] = macs[i];9 x: L7 N, [ H2 P- g, s5 c9 V
- printf("\nPlease input new STBID: ");
6 s# j$ v$ z0 X+ c! b- G3 C - scanf("%s", stbid);
2 C6 v+ X) F& E0 K/ \ - if (strlen(stbid) != 18) {
/ [: L* `2 ~: f9 s. t+ B" Q; |6 V - printf("Invalid stbid\n");% a) n+ f+ W |6 [3 M( |
- return 1;% ^3 w: n, o9 S
- }: z$ {8 |( _6 X, r
- printf("\nNew parameters: \n");! V/ C; l# c5 H: ?- m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; V4 @- x. B |' I) r: U$ M# v
- printf(" STBID: %s\n", stbid);
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; c* l* t9 f( E7 e+ _3 {; ^. ~6 E/ N- printf("\nDo you want to change paramemters? (y/N) ");1 P2 \+ t! h3 i# }
- for (;;) {' x8 M# Y# u* Q* H5 @
- c = getchar();
. C: k8 a# a1 ^* N - if (c == 'y' || c == 'Y')) j E, o. C) @% U4 } Y# n& q
- break;- ] j; |* i. A1 m+ W3 k( F ~
- if (c == 'n' || c == 'N') {
+ Q7 x- v( Y% I) v# N @ - printf("\nAborted.\n");
" `2 b; N* z1 ?: Q - return 1;
: ]% D4 Q8 c, f8 S4 Z - }4 g' D' f, W2 B( O {$ |, }3 w" T& {
- }
0 P; @: S# @$ \3 L. v; ?4 U$ w - if (writeparam(mac, stbid) == 0) 9 {9 n% S- {/ S/ _$ U
- printf("Parameters changed.\n");4 t5 Z( p2 G; e! z( ^/ L3 F% @+ t
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- return 0;# u7 j5 ~1 R; q3 Z" p/ s5 n! t$ o
- }
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