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。
- c; w' P% x, d6 x0 v2 F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 e8 J3 R6 `- s1 I ~- x
- #include <malloc.h>3 m. U* \+ A0 k% H; i y+ s
- #include <sys/types.h>3 `; ]4 m% g9 q" Z: ^- N# E3 ~
- #include <sys/stat.h>/ k( ]& w" y4 \6 t
- #include <sys/ioctl.h>
: M/ a. f2 K: y) C5 O - #include <stdio.h>* j8 X% y) M0 q: u+ U _
- #include <string.h>
2 W- v2 }2 D' ?7 B. K - $ e5 O% p$ `0 N& k& I
- typedef struct {# d9 y+ n8 x Y- H* v* F
- unsigned int e2prom_cmd_sub_addr;5 G/ q; }, A0 u T6 E/ N
- unsigned int sub_addr_count;
) J, ?6 H8 z1 ^' h4 @$ E2 q - unsigned char* e2prom_cmd_data;
; ~ a o5 `* _: e3 |' L) V - unsigned int data_count;/ h3 \5 n3 J. [
- } e2prom_s_cmd;
7 _: ? U. f9 V/ y2 R, x - ' ^1 }2 {( ]. r+ G- A
- #define E2PROM_CMD_READ 1
! v5 L$ W( J9 t! P - #define E2PROM_CMD_WRITE 2
% _" j# m5 Z& O: c; {7 v, k# B5 C1 g3 I. h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ w8 W1 P" W6 i4 n% ?
- {$ X4 z- g, g$ z' f$ p( U! F9 _
- int fd, ret;1 I) S( a& d" `+ O% @
- e2prom_s_cmd arg;
" i y! H$ J; y - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);; `2 O9 z/ r& O# B* m+ X5 N
- if (fd < 0) {0 G" `' d/ k0 g$ r3 k+ A4 T1 H
- printf("Device %s open error.\n", E2PROM_DEVICE);) S9 O1 |8 y" `5 e
- return -1;
( _& [4 v# [" E* L9 S - }
3 }* f2 ^) r: |4 u - arg.sub_addr_count = 2;
* n! `+ b; z5 V - arg.data_count = 0x18;
! w' P5 z9 ]1 }6 ^3 [ - arg.e2prom_cmd_sub_addr = 0x290;
1 M4 n; b8 n0 Y* t( n - arg.e2prom_cmd_data = buf;
1 o/ o5 _+ ^1 S8 T# S" k- ?3 E5 b+ l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 g3 ^; r t$ x3 q* U - if (ret != 0) {
$ R9 u) x2 s1 u - printf("Device %s read error.\n", E2PROM_DEVICE);" B7 G# V$ z0 O4 ?; ]0 r3 ?1 e0 t
- return -1;5 j# W, G. H& z' J& @# K
- }1 { G& [ |4 X- f% ^
- memcpy(mac, buf, 6);
. t8 m$ ?% C, k: d: S8 Z$ I9 | - memcpy(stbid, &buf[6], 18);
6 v; X$ a9 a: M) D+ k - stbid[18] = '\0';* k- c+ P, X( Q
) a. K, W: Y& D: ?6 U% O( b- return 0;# N/ p/ e, u# n
- }
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0 y2 E. ?. _1 c$ L8 r- static int writeparam(unsigned char *mac, unsigned char *stbid)
& f4 F) _) R+ R9 q4 X - {
0 \* u! x/ n) G: v- A - int fd, ret;
% Z" S1 R4 f. m9 m: ]7 h( d' ` - e2prom_s_cmd arg;/ V& Q) n) |: m. q
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);3 [# F3 l, x5 R8 K
- memcpy(&buf[6], stbid, 18);
: [& v9 i7 q2 x2 |0 G- i - fd = open(E2PROM_DEVICE, O_RDWR);2 l4 B. p% P: v# G3 ], k! F
- if (fd < 0) {
_) x! h& S# h4 C6 J - printf("Device %s open error.\n", E2PROM_DEVICE);! B( a4 \9 U/ S; l
- return -1;; E! M% g7 S2 L/ w
- }
2 e6 T b& c w* |, Y - arg.sub_addr_count = 2;2 g/ m8 X3 a/ \2 |0 V8 d7 l6 J. C
- arg.data_count = 0x18;& G0 o" b1 |' z; E `$ P
- arg.e2prom_cmd_sub_addr = 0x290;
8 J& r7 @9 H/ _, @ - arg.e2prom_cmd_data = buf;
( J$ q2 _2 b; b2 Y8 B1 A& ~ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! P( d4 n( @0 e) t& W. n7 m
- if (ret != 0) {2 t3 Q4 K3 N( G+ K
- printf("Device %s write error.\n", E2PROM_DEVICE); n& S& I- y+ M5 w( J, |
- return -1;' r, U0 c, ], V, U& r! r+ u
- }8 F4 K& k E |6 _2 n. Z
- \6 `5 F/ K2 _0 I+ ]' m- return 0;3 d/ ]6 t5 u! r% x
- }
- c7 {2 B( z* n2 M4 Z' H - , D/ H4 O2 r- M
- int main()
3 O- V. K0 V! j, ^* k5 e - {- s2 D5 I3 g P4 }7 I7 @$ Q5 K
- char c;
6 x$ A6 X H0 b. d2 ] w4 K - int i, macs[6];! X- V2 Y4 z9 ^4 \% t/ M
- unsigned char mac[6];
/ p9 Z( [/ Z8 @0 m& x5 D - unsigned char stbid[256];0 b% z0 S0 r5 C r8 R0 |7 e# T
- ! |: A/ L d4 V; i( C/ s
- if (readparam(mac, stbid) < 0)
( M+ S6 d% N3 y, a x! y: z& N - return 1;8 b8 k) l* q& U+ n9 ~7 @
- 5 a& D$ I3 G: c
- printf("Current parameters: \n");
5 W5 W% D0 k! m" u7 f+ J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! i9 R5 Y7 v$ p% c, G& [ - printf(" STBID: %s\n", stbid);0 g1 k! q# x* J- Y. Z) W( l
- ) H! J) V( r: h" j& e/ s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. C: g) J _5 B+ |+ m" B
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 D6 g* Q9 l: T1 @3 ? - printf("Input MAC error\n");
. m- Z7 J0 h) M/ c) V: G$ \2 e6 z - return 1;/ {- z6 x0 L$ l1 O- e5 X
- }- @) t0 C. _8 f7 {
- for (i=0; i<6; i++)mac[i] = macs[i];9 i2 i+ p+ l# _
- printf("\nPlease input new STBID: ");9 k; ]/ d7 C0 R2 U3 C4 u$ v, T n
- scanf("%s", stbid);4 |1 x0 F4 z4 E. y: r8 b6 M9 Z5 N6 h
- if (strlen(stbid) != 18) {# j) I2 _2 I! N: S
- printf("Invalid stbid\n");
3 ~9 y' ?" C7 e$ u; Y" @ - return 1;; j* [7 x h$ }4 u9 i
- }2 D ]* K+ I5 ~) v: c
- printf("\nNew parameters: \n");
& ?4 x7 M L0 b! T! Q( D# } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ l. t3 j7 X$ \
- printf(" STBID: %s\n", stbid);2 y9 g9 s8 z* M4 d6 r [
- . h9 }9 p2 P& [/ a
- printf("\nDo you want to change paramemters? (y/N) ");
. s0 k6 k. x" ]5 r3 S* B" ?+ h - for (;;) {
$ C; [# P3 n! n% ?" d) d3 m - c = getchar();/ @1 z Z8 I' ?7 F# w8 b) _
- if (c == 'y' || c == 'Y') _' z% E: G: X
- break;
& Y# a9 t5 I* U - if (c == 'n' || c == 'N') {
2 a2 X N% S' X# s& q8 M - printf("\nAborted.\n");
+ X9 W6 [# {: D$ @ - return 1;& }: ~9 s9 @! C, n2 [
- }' B+ @* X- w6 y, l
- }
* e3 L/ E6 w' T4 F& y; ^ - if (writeparam(mac, stbid) == 0)
9 Y5 v! @% R) `2 C) K - printf("Parameters changed.\n");2 L8 N& _9 `! a$ t& M; `
- ! l2 I6 P) w4 M
- return 0;! r. e# a: t; \" H s" S
- }
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