本帖最后由 0522 于 2012-3-21 23:04 编辑 6 I: T3 h5 x9 ?
) M( j' g3 W" P% U4 D! j) S+ D' m修改的代码早有了。到今天不会编译。2 Y7 F, @6 N0 T4 W* @9 N8 A$ ?7 l9 X$ A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 u% h6 N& t: Z& B( A- K! V - #include <malloc.h>
3 Q# W5 ]- w2 i! |/ s - #include <sys/types.h>
. L1 I* t; ]4 f4 p: H5 i5 Z - #include <sys/stat.h>
# C; z* K0 t; x5 f O) G - #include <sys/ioctl.h>8 |4 V; v% T/ r o r: U
- #include <stdio.h>2 r$ X' g. D5 D0 l9 {( L
- #include <string.h>
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- typedef struct {
3 A! S% q t# U2 k% l* C4 p - unsigned int e2prom_cmd_sub_addr;; m; U+ N8 f2 y$ |3 c. \: D% i1 J
- unsigned int sub_addr_count;
2 L* Z( e3 c! W; X$ [8 z4 D* m& p: e2 r - unsigned char* e2prom_cmd_data;
# ~0 u3 ~5 o& u! `% O - unsigned int data_count;
* G- J) ]& ]9 n \: n$ ? - } e2prom_s_cmd;
+ q, P/ [# N- j1 x! M$ I. q; g - " t( b; b, c0 q. X% |3 }
- #define E2PROM_CMD_READ 1: q) i4 Z2 M/ V) n @: J! z7 |
- #define E2PROM_CMD_WRITE 21 |, b) s0 L& _% a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( W: i# ]) r" e; X+ c. {/ C
& F. ^+ ]$ R! o5 X% s; c: y- static int readparam(unsigned char *mac, unsigned char *stbid)
, U: K" I) E) X% F$ P ~3 X - {
# O2 _; r4 |8 _. a8 ?* H - int fd, ret;
6 [+ g+ ~- V8 D& ~' Y - e2prom_s_cmd arg;
" H7 W# k+ r o) _" ~) D# f - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);7 m/ `, t. J2 s2 v
- if (fd < 0) {
. Z$ l l7 E$ i$ N0 Z+ u% D6 e3 M - printf("Device %s open error.\n", E2PROM_DEVICE);" \3 u9 A' x# n0 U: e
- return -1;0 }' ^" c3 Y4 s- E# K, M& E5 G: t8 y3 P
- }
" P& }5 k! E, l, V Y3 { - arg.sub_addr_count = 2;
+ H. G: j9 l8 i' I: t - arg.data_count = 0x18;& f2 M# Z. W1 }# q1 F
- arg.e2prom_cmd_sub_addr = 0x290;
, d0 e( ?( _3 i7 v; A1 d! O# Y - arg.e2prom_cmd_data = buf;
& k2 w, }/ _; {# }" g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 }- w8 x6 E. x: i, ~2 Z3 F
- if (ret != 0) {
! S3 U! Z: w% @, b, S, a - printf("Device %s read error.\n", E2PROM_DEVICE);7 L/ T, Z' H$ K) [! W
- return -1;3 s( r8 j! u- [+ c9 A% _; H
- } l% J9 C. F5 b
- memcpy(mac, buf, 6);
( E9 f6 R6 P/ L6 j7 L - memcpy(stbid, &buf[6], 18);
) n6 U4 t! f" N - stbid[18] = '\0';
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0 i; @. U( g# f8 a- return 0;5 }% Y: m/ i: x Z
- }
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5 L( T# R4 h( {/ K* e- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 Q* Z$ S( }2 k& C - {
. O8 I7 C8 s; B% Y) }2 Q3 p% L - int fd, ret;$ n3 R2 O/ d8 z
- e2prom_s_cmd arg;
4 e# r2 D; u# P. }' d, T" g; k; q: g - unsigned char buf[0x18];7 }' u( q4 ?4 ~6 E
' D3 R: T( x* C- r% Y6 z- memcpy(buf, mac, 6);
7 Z1 }- @. Z( o - memcpy(&buf[6], stbid, 18);# F% b- [+ p% |* o
- fd = open(E2PROM_DEVICE, O_RDWR);
# e1 A* v$ C: H5 Y0 E5 P+ l4 m - if (fd < 0) {
* F4 j/ A4 b# A. o - printf("Device %s open error.\n", E2PROM_DEVICE);0 {3 |; ]+ D0 _! K7 k
- return -1;
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- arg.sub_addr_count = 2;
. }3 r: D, E* {9 N1 _0 y6 O$ ]# B - arg.data_count = 0x18;
- p! @' d% A- Q. d* n, {$ D - arg.e2prom_cmd_sub_addr = 0x290;7 ~; _) W5 n) h8 B$ P/ t
- arg.e2prom_cmd_data = buf;9 l. Q6 }' m$ @: m
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 _. d x$ j: A) L# T8 P- v
- if (ret != 0) {
8 `3 r* z" [! G7 U" |, @6 x - printf("Device %s write error.\n", E2PROM_DEVICE);) k' N3 E+ N& [* D
- return -1;5 _/ ]2 p% }6 t$ p4 c% d4 ^
- }" c0 m# q, ?3 G' J% h/ L& e
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- return 0;! V- d6 T$ z7 }
- }
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; x8 |9 J/ {, a1 \" X* ~( a- int main()
5 f/ R# Z' z2 Q* A0 a! h& N% T - {
+ v: u/ V) I( S: ?/ X; x - char c;
' e1 k% i, w. n/ J+ H - int i, macs[6];9 c& c2 s+ t0 N
- unsigned char mac[6];1 s8 Z% O2 n6 N' T* z
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)! q+ g3 v r3 N6 a0 r
- return 1;
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- printf("Current parameters: \n");
7 O- m' J# S# W/ M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
Z9 Y9 e' t' o: O& [. p - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 N8 a# \: M: s" M" M; q! s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# H' j# x' o& V- R- T9 R0 Z
- printf("Input MAC error\n");
2 P2 Q4 \+ n1 d* w( ^ x9 n, i# Z - return 1;6 f! n5 B O, X: K# B9 ~% W
- }
' y/ s: j9 y1 f - for (i=0; i<6; i++)mac[i] = macs[i];6 b, X) g M# [3 a6 A
- printf("\nPlease input new STBID: ");
( i2 j5 _6 H- L3 n/ v: ^' Z0 B - scanf("%s", stbid);
% _* u8 s: P" M - if (strlen(stbid) != 18) {
1 U6 e5 ^' H7 A8 D/ J - printf("Invalid stbid\n");1 @3 \& v8 z# B6 K
- return 1;% Z; R3 ?: l7 J8 D' x% H) Z, `
- }
/ p* |: s& i- G0 e/ Y/ ?5 A& w - printf("\nNew parameters: \n");
7 C- y! f6 n* ?4 P( ~' L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); y" S: l4 j) |2 y' f6 O% m
- printf(" STBID: %s\n", stbid);
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" I$ Y1 W- [# U- U5 f- printf("\nDo you want to change paramemters? (y/N) ");$ B2 b* J: c% L% I
- for (;;) {! P4 t4 c. I- J k$ G
- c = getchar();' H2 ?0 T8 [, V/ W6 W0 Z
- if (c == 'y' || c == 'Y')
. G" l9 a) I: |! w - break;% S2 s* V1 L0 D
- if (c == 'n' || c == 'N') {- C1 S' V) d1 j2 O4 t$ G Z
- printf("\nAborted.\n");
- h& p9 S3 Q x( u+ ?( [ - return 1;; J7 ]- Y8 I) W( H0 q+ N
- }& F) C4 A8 A; n1 M0 z
- }
7 d. Z0 M8 R8 z7 R# Z* M - if (writeparam(mac, stbid) == 0)
; h: Z9 B- L4 f6 O2 v; n8 k - printf("Parameters changed.\n");
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- return 0;
/ g& T. D) V# I5 y - }
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