本帖最后由 0522 于 2012-3-21 23:04 编辑
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9 f- I W3 }9 l# g修改的代码早有了。到今天不会编译。' R, ~0 T7 U, C2 Z+ h" o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 f0 h J T5 j, Y; _
- #include <malloc.h>
8 Z! P3 W' p& |! M0 {- w - #include <sys/types.h>
# c8 u' x; K! o0 {& r b7 O$ D* A - #include <sys/stat.h>
! s5 Z' S6 X# B& q+ ^ - #include <sys/ioctl.h>; z5 y6 r# C D( b5 C
- #include <stdio.h>8 J' T0 U* E' F/ c8 G
- #include <string.h>
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2 Z% |( ]! U% [ P# m0 R- typedef struct {: c. n- C" B1 C6 T
- unsigned int e2prom_cmd_sub_addr;
9 ^8 i& j$ e/ [8 d; [+ ] - unsigned int sub_addr_count;
4 J3 `% A: E; W* I$ P - unsigned char* e2prom_cmd_data;: ?+ d4 |; p9 H1 b1 K
- unsigned int data_count;
3 p- U: E1 k+ L; z - } e2prom_s_cmd;0 B5 ~& s. w1 f0 r6 w* @0 a
7 f6 E0 w8 v4 [( f" u' ~4 @, e- #define E2PROM_CMD_READ 1
' w6 t; u, b* t - #define E2PROM_CMD_WRITE 2) G! E% Z3 T3 P; j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% c3 {% n0 _- _7 ?4 F2 i( ]
! D& _" a; l3 G8 Q* n1 v* w- static int readparam(unsigned char *mac, unsigned char *stbid)+ C+ a# M0 K4 e4 m. Q9 @ c
- { V' ^/ I: B1 l" d* ]3 ]
- int fd, ret;1 X9 {9 ~4 R( {2 B& D
- e2prom_s_cmd arg;
0 x( r. M( V3 C& f; I& r% A - unsigned char buf[0x18];
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& z) O! A1 O, L6 {$ ?7 P" b- fd = open(E2PROM_DEVICE, O_RDWR);
1 p# y. { y: u - if (fd < 0) {
! }; \$ p* B7 W! X - printf("Device %s open error.\n", E2PROM_DEVICE);8 P* G- @1 [9 ?
- return -1;3 i% w2 K( R! D7 @7 z8 f
- }
" I+ a# ^2 I1 _- B8 w) s2 } - arg.sub_addr_count = 2;. g+ u$ r: x, m5 M7 q
- arg.data_count = 0x18;$ `/ {" H& i( b# Q4 P ~% M; ~& J8 m
- arg.e2prom_cmd_sub_addr = 0x290;( E8 ]6 C$ u0 u6 J1 p( T
- arg.e2prom_cmd_data = buf;
5 n# Y. j5 }5 D6 D5 r - ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 U: h! S6 ]7 b/ D! O& T" }/ o
- if (ret != 0) {2 U4 ~1 Y+ `1 e& }' `; [' T
- printf("Device %s read error.\n", E2PROM_DEVICE);+ N- g' T" t, C+ d' v2 w1 U
- return -1;4 P' E" m, n, @0 ~) Z
- }
/ G) L) J, \0 e. I- R. o2 g& I - memcpy(mac, buf, 6);2 `$ t% }& F+ P! _
- memcpy(stbid, &buf[6], 18);
6 T4 q, n! k x8 P; y7 t+ h- Q2 i - stbid[18] = '\0';6 D* H! z p2 A4 f
! I9 i- J' E/ V/ b- return 0;6 J/ r2 w5 C6 ]
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- % }) c2 ?( M; |+ @& q/ H: k2 B+ O6 l j
- static int writeparam(unsigned char *mac, unsigned char *stbid)$ j1 q/ |+ U2 ]5 O# d; L! ?
- {
; N G% M$ d4 y, ~3 h! ` - int fd, ret;
. E$ X5 K) U+ k3 S - e2prom_s_cmd arg;, B( M: M/ Y' g2 ~& n
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
R L% x5 `; k9 V0 I - memcpy(&buf[6], stbid, 18);, M3 E/ r: a, s0 }9 l* m3 C
- fd = open(E2PROM_DEVICE, O_RDWR);7 `4 X6 K9 B/ N1 ?0 v
- if (fd < 0) {
( ?5 S0 }8 g+ o - printf("Device %s open error.\n", E2PROM_DEVICE);* m+ l( g3 p& h6 B- ~: F1 C
- return -1;4 `- G$ a. Y0 M! d8 N* b" _* z
- }
3 [; z% a: S& S) E - arg.sub_addr_count = 2;3 Q, u* u* x* z* |# J1 \( r' x
- arg.data_count = 0x18;* Z/ o9 ?5 ?- l
- arg.e2prom_cmd_sub_addr = 0x290;( K" l% M* \. ?% O' z
- arg.e2prom_cmd_data = buf;
- i) f5 u5 K2 d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ U% l ]' ^5 e
- if (ret != 0) {
! N9 k8 ^0 |* p: Q4 m0 D - printf("Device %s write error.\n", E2PROM_DEVICE);5 z# j8 a1 X1 L9 V1 ]& A5 W# Z5 [+ g
- return -1;2 ^: H, o$ V/ E- ?7 g, k
- }
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- return 0;7 E* j9 o& \* X$ Q# U3 B1 t. [& G
- }
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' s0 C$ E7 {4 A4 b- int main()0 x: Q" z/ a5 r: }
- {# C7 F) I( v6 t/ Z% U4 a! @
- char c;
& X& ]/ ` D! ^ - int i, macs[6];1 z$ a6 M4 @$ |0 ^/ W1 q
- unsigned char mac[6];
; N: O( i8 n/ n. R3 X7 o - unsigned char stbid[256];
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+ }5 T6 l( p/ G$ J( Q- if (readparam(mac, stbid) < 0)
7 S3 o3 S2 a+ J! p* C3 E6 V4 X - return 1;
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, N3 g# Y- m2 U$ o; G8 m- printf("Current parameters: \n");8 I' V( w$ K: Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# y/ D i$ X1 x5 D - printf(" STBID: %s\n", stbid);0 `2 j; N! B u. \) O+ E6 N* }/ p
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 X3 C Q* }$ e+ l! w; Y4 l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { x- ~; s+ w3 ~" ?% F
- printf("Input MAC error\n");
" x6 o. Y- j8 |) \0 V" o6 C* C) u - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];6 [$ a' J1 m' H4 i& G
- printf("\nPlease input new STBID: ");
$ }/ k$ {$ I# v p' x3 r1 [; [7 @ - scanf("%s", stbid);5 r7 \4 l( g# } R
- if (strlen(stbid) != 18) {8 G+ e- n3 T1 ?& v1 y
- printf("Invalid stbid\n");
+ r) S1 N/ {3 Y0 ^' x/ J - return 1;3 f& K. c/ b0 u9 n8 t' p
- }
1 Q" n- j- T7 r9 z j; ^ - printf("\nNew parameters: \n");
3 E& ^) d- } R8 a0 ? L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) i* J: T; P( E5 @" W - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
7 ^" L6 ^3 v3 b! b& e o - for (;;) {
- q+ f8 k' E# }+ a - c = getchar();3 M# M& n7 Z! t
- if (c == 'y' || c == 'Y')
$ L* v- M, |9 Z, u3 r6 H - break;
0 ^) L% N" T. V/ k4 ?. J1 Y5 C0 Y - if (c == 'n' || c == 'N') {5 J; X" w2 ]5 {8 w, o, t
- printf("\nAborted.\n");% X+ X; E8 S" W
- return 1;7 Y% }& D2 A/ Y$ B
- }, S( o; Y6 N1 L. f1 L+ }2 k3 v7 w
- }! h# t2 i) A. B. b6 V
- if (writeparam(mac, stbid) == 0) * _& B O& v* D4 [ e# M$ f5 m6 M
- printf("Parameters changed.\n");
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, L# S. J" ]1 _" A1 g- return 0;1 ], O( G3 f, X# w9 J; U! n
- }
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