本帖最后由 0522 于 2012-3-21 23:04 编辑 ! r) i: [+ E" _3 f0 W
% m' n% }& P O* I修改的代码早有了。到今天不会编译。2 m8 i2 Z, w6 w7 ], o/ j; d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 i! T% e' E; G# Q: J1 E, P# |3 ?1 E
- #include <malloc.h>
. M F, ^- [+ G4 F& o' o+ W8 R - #include <sys/types.h>
1 d! H7 m i7 i. Z - #include <sys/stat.h>
$ `% N5 G( g" E. Q ?; P ` - #include <sys/ioctl.h>- M5 z, l! k9 _# w
- #include <stdio.h>4 z! W3 Z D* T: `
- #include <string.h>
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- typedef struct {3 S4 C5 m8 _; W6 ^" B
- unsigned int e2prom_cmd_sub_addr;
* e" ~" Y9 K' a8 ^6 O$ @; z- q - unsigned int sub_addr_count;* v8 |- R9 W% M; A% F% e
- unsigned char* e2prom_cmd_data;
3 B' o! R( g! }+ T - unsigned int data_count;
W1 l2 f" l$ p9 ^ V) p - } e2prom_s_cmd;+ ?# g1 H3 `. ~
- d& X5 A. V, g) `- #define E2PROM_CMD_READ 1
$ ^) W2 V+ Q6 |) j6 m+ o - #define E2PROM_CMD_WRITE 2/ P$ I+ S9 Z# `2 T* g0 ~4 D
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)- H3 p1 i2 c& G+ `
- {
p$ Z0 ~% a- ]2 W+ q - int fd, ret;
, `& K1 G$ i: O" a - e2prom_s_cmd arg;/ s* a) g5 G" Q+ J
- unsigned char buf[0x18];: D8 P6 f0 v) I
% k/ N$ W5 I' A% z* m- fd = open(E2PROM_DEVICE, O_RDWR);+ j7 H9 t7 D! ?; P- M: r- F: s; u+ e5 x' `
- if (fd < 0) {% s! x6 o$ L) z
- printf("Device %s open error.\n", E2PROM_DEVICE);
: q6 B" V7 ]& k1 V1 } - return -1;6 P m. n( H5 \
- }9 F! q; ^, [3 P1 `: M
- arg.sub_addr_count = 2;
- u$ {$ t, p2 ~ - arg.data_count = 0x18;
% [; p$ Y* z0 ~" @0 H+ c9 M - arg.e2prom_cmd_sub_addr = 0x290;
( E7 E5 E, Y# ~7 M- T - arg.e2prom_cmd_data = buf;
$ {) q) t* ^ O( u U. g! L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# b1 k0 ]3 r4 K- G5 B/ L - if (ret != 0) {
. H$ H/ K9 k/ v0 E6 s0 p8 o - printf("Device %s read error.\n", E2PROM_DEVICE);7 z' f2 R5 d& M+ u8 L- h, l" w) h
- return -1;
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- memcpy(mac, buf, 6);7 s( j+ S# k/ e# v7 L( \! _
- memcpy(stbid, &buf[6], 18);6 }% \/ \- H5 L* m
- stbid[18] = '\0';7 d( \* ? E- p- R& [- A8 ~
- P1 a) ]% I7 p0 Q) Y% v2 [4 b
- return 0;5 g* Q+ D: A* g& L* c I4 z
- }' ~* a0 q. b" M* d
- l2 U9 G3 ?. b$ K6 U& r9 \- static int writeparam(unsigned char *mac, unsigned char *stbid)) V9 e1 _+ }2 U- N* L! l3 ^
- {+ s( a6 p4 |0 _5 q+ z
- int fd, ret;
! h" S+ R" a, B% X, F- U - e2prom_s_cmd arg;
2 t- [/ Q; ?6 ?* A+ O, r5 i - unsigned char buf[0x18];. w1 ]# D4 \' C6 `
- 6 @' Q( D- H+ [: P" I1 w
- memcpy(buf, mac, 6);
6 c) X5 g; S- z; J$ }+ k% @" d6 N - memcpy(&buf[6], stbid, 18);+ i6 v; P0 W& `/ B# e
- fd = open(E2PROM_DEVICE, O_RDWR);! ]- H2 o' f- x7 ~- W
- if (fd < 0) {
: N* O9 H3 G1 V - printf("Device %s open error.\n", E2PROM_DEVICE);
4 ^3 v$ E k* J) M: @& m: B - return -1;
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- arg.sub_addr_count = 2; H. L" x6 g- P6 q+ [
- arg.data_count = 0x18;
" x9 R/ j: w, }! a - arg.e2prom_cmd_sub_addr = 0x290;8 V7 p0 ^4 R7 z+ V. X! X6 t
- arg.e2prom_cmd_data = buf;2 H5 {/ F6 s3 i* r& T8 i; K
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 j& o. i% n( `& J2 k - if (ret != 0) {3 S0 o, {) P# k$ N* v/ d, y% X3 j2 S7 Z
- printf("Device %s write error.\n", E2PROM_DEVICE);
. c1 t2 k. l. \3 X9 x7 Q - return -1;
- q! c; _" i' m4 W - }
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- return 0;0 o+ o A. E9 O2 A1 L9 Y8 w
- }, \6 q! E6 B( V$ n/ l
- 2 @6 P6 t+ u0 ]7 ^4 a
- int main()
1 j" a! v, u Y' u* I - {
5 x* e( k4 k1 A# g - char c;( p) g) R0 }( N. _ R# F
- int i, macs[6];7 M! E% o, H( l! S4 `; p5 S0 M
- unsigned char mac[6];) }$ H" k- |3 Z3 _( F
- unsigned char stbid[256];
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/ _& u2 K: z! `$ M! O% B- if (readparam(mac, stbid) < 0)+ e) c6 u4 Z8 L8 k
- return 1;
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; I7 c e G$ m# ?$ U- printf("Current parameters: \n");
- q' F" E7 E/ N: T8 ^) F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# o$ n# X9 {& h - printf(" STBID: %s\n", stbid);3 m; V' E1 W8 I0 q% l
- ; b" v" X& H9 x) Y& z N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 b( _ [+ F( ^( k - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) x6 g. n, e. Y
- printf("Input MAC error\n");% n. ?+ t: d' Y5 m" x& A
- return 1;* k7 j( O+ C, s; e6 W! K
- }
: O/ J- l5 t; _8 W6 }* F& J - for (i=0; i<6; i++)mac[i] = macs[i];
" c! Y% I# G8 s2 U* W- w* S - printf("\nPlease input new STBID: ");
0 U: n- {( a d - scanf("%s", stbid);
' d" E' u1 O- V( \ z2 V) v - if (strlen(stbid) != 18) {4 w3 F- e2 b7 j$ Y' b I: f% q
- printf("Invalid stbid\n");/ [0 r3 g0 c9 f) |" [9 h0 w t
- return 1;( C) F6 y; \ E
- }9 C7 c5 F. [- L/ Y% x) U( a6 y
- printf("\nNew parameters: \n");, ]' k5 n. m9 Q0 k- z0 _% w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ `" q3 {+ ?* s! n
- printf(" STBID: %s\n", stbid);4 x! C. u& k. S/ F
/ ^( L7 _- {/ u2 Z9 W- printf("\nDo you want to change paramemters? (y/N) ");8 j5 \4 l- g2 n! x2 i& [4 y; Q3 ~! Z: P
- for (;;) {$ P. B6 f) K. F% v8 l
- c = getchar();+ S8 r' [ T) y1 q4 b" F" R
- if (c == 'y' || c == 'Y')
0 L; M7 [7 k |/ [% e* \ - break;
8 a- V$ Y) A8 f U; p' v - if (c == 'n' || c == 'N') {0 L4 [# @& {9 `1 k" m
- printf("\nAborted.\n");
" ~6 n1 }! B, G% x7 o- B - return 1;* k( \) M+ R d4 K
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- }& [1 y' N2 f( x
- if (writeparam(mac, stbid) == 0) % S/ [4 B0 O' }) V* [0 F
- printf("Parameters changed.\n");5 u$ X. n* N( I. N
- 1 h( I9 T2 `3 b2 I0 U$ k
- return 0;
: S3 }3 k6 R1 B7 H8 |0 q - }
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