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。
' [$ d# L( q/ {+ E2 E需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* \# B1 |& _) V! v
- #include <malloc.h>* G {' [$ B2 {& A8 X
- #include <sys/types.h>( V _* b1 v* @9 i7 f6 `1 c- v2 T
- #include <sys/stat.h>6 x7 d5 K2 _' I; m4 @7 q
- #include <sys/ioctl.h>
. l" e. o9 l( Q8 f( k' j% ~- I( `. U - #include <stdio.h>8 s3 W5 g1 |9 m$ ~3 V+ [7 S
- #include <string.h>
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- typedef struct {
B& d. P9 I u+ P' |. Y3 w+ n - unsigned int e2prom_cmd_sub_addr;% n$ m1 z1 I% B$ D) i8 b
- unsigned int sub_addr_count;4 j) y6 {8 B& g: {. M( t) C
- unsigned char* e2prom_cmd_data;) k/ i4 M4 O: Y; I( e5 d
- unsigned int data_count;
_8 x5 Q. ^- P9 y - } e2prom_s_cmd;7 C9 [3 B' h1 B& W. ^
$ A3 q& e" G2 E0 _$ f6 @0 N2 P; q' e- #define E2PROM_CMD_READ 1
: y+ K6 _( G- D - #define E2PROM_CMD_WRITE 2
% e9 Z5 X0 [$ J% Q9 P* K+ C! v - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 h$ }6 T1 C& z5 K7 s1 P4 e
4 R, K. ?5 t; R; ^- static int readparam(unsigned char *mac, unsigned char *stbid)$ x* U% S1 E# b" p
- {
9 O5 s+ L* L( k% B - int fd, ret;# B5 c+ E8 O. V% ~# s+ W% D
- e2prom_s_cmd arg;: N4 ~8 p, ^' B ~7 W& P5 m
- unsigned char buf[0x18];
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- x' K4 [3 Q9 c- U. i" ?- fd = open(E2PROM_DEVICE, O_RDWR); A, ~: K9 W8 x& C ]
- if (fd < 0) {8 r5 t2 H( R( r: C( J, T
- printf("Device %s open error.\n", E2PROM_DEVICE);- i% X/ F; y/ V N
- return -1;# v. F) o7 l Z3 p. {
- }, g9 S+ T5 ~& }, E% f0 q8 z+ z
- arg.sub_addr_count = 2;
1 B k, T) t; I5 V; \ - arg.data_count = 0x18;7 |2 }: _" V% _7 ^7 E; N) U
- arg.e2prom_cmd_sub_addr = 0x290;. G2 y- y+ J- c) n( c# G
- arg.e2prom_cmd_data = buf;
( j0 U; ]! D$ Z, |6 o$ |. [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ m2 M; h! t. ?* a! D) q! H. N6 ]2 Q - if (ret != 0) {
& [3 K% \4 p) [& { - printf("Device %s read error.\n", E2PROM_DEVICE);$ v' j* X/ `& g- H6 b
- return -1;
3 q- A7 X9 O+ F+ k. h# A - }
& ?+ s6 }$ L. i4 i' d6 q - memcpy(mac, buf, 6);
) P; [( a! P b) ?" o! C* I - memcpy(stbid, &buf[6], 18);& y$ L; n! ~4 r+ M$ V
- stbid[18] = '\0';
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# {+ z$ A' I( P# s! V$ M* e- return 0;( v6 ^6 S. l' e0 m$ m H0 S
- }& H) ~; D; D3 [+ Z$ b# O0 Q1 B
- 3 P. z# ?+ T4 l( S! `4 K" V
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! p# G s( k, H( [2 U+ R
- e2prom_s_cmd arg;! ]; K: W" G: X' s
- unsigned char buf[0x18];9 }" Z& \4 ?: O, p% A
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- memcpy(buf, mac, 6);
9 D' K2 I0 R- v" g - memcpy(&buf[6], stbid, 18);$ u# G" _0 a* g$ b! R
- fd = open(E2PROM_DEVICE, O_RDWR);3 n7 _ e7 K$ H6 K: @; f8 r
- if (fd < 0) {0 A( f% R) \: q0 F
- printf("Device %s open error.\n", E2PROM_DEVICE);
' j1 U5 F% M8 i* B - return -1;
: |. ?# Z9 f+ }" r7 @# n6 a - }
( U- Z7 G+ T) h - arg.sub_addr_count = 2;
* v" z9 e3 V4 Y z1 ^$ { - arg.data_count = 0x18;! y: B; |. Z) ?; H; k$ `6 m; o
- arg.e2prom_cmd_sub_addr = 0x290;/ I* u3 f1 j, L Q: Y
- arg.e2prom_cmd_data = buf;
i0 S% A3 m4 O; o0 e - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); R& D% ]8 Q( ]* q; g8 A
- if (ret != 0) {
* ?& d K7 o* M) _9 W# P - printf("Device %s write error.\n", E2PROM_DEVICE);( [0 Q. d$ l' x. w: S2 A/ j
- return -1;5 j& `7 c5 a/ ?: o& W( E
- }
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& T1 G E3 e& T/ X5 g- return 0;' r% W9 P* P- W9 u* K: n1 [% R4 p
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8 j2 m/ {* g5 E" v- int main()$ l2 p, K6 ?. u2 X- n0 u! a/ O
- {
) f' R! D+ l |, J+ M$ N - char c;, I7 }; [+ j( h- r5 Z% L& _! S
- int i, macs[6];; m" _4 d3 e* g1 g9 H8 L
- unsigned char mac[6];
x% J( ~( {& c; z# @5 s - unsigned char stbid[256];
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+ G8 s, p: J) l5 u% Z- if (readparam(mac, stbid) < 0)
$ I' V0 p, W! V3 K - return 1;
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9 X2 T% q) ~( y) ^- printf("Current parameters: \n");
- F9 G) u# F3 a" F- z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ `6 F; d* G& L( |+ a
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% t# Z8 ?; Q7 l9 q6 F4 N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 H- z% u; w# O
- printf("Input MAC error\n");
$ `5 g$ q/ M: X+ z - return 1;
" Q- t" K6 v" |0 ? - }
0 C% ^1 u* ?& C8 j# r3 i' j9 A - for (i=0; i<6; i++)mac[i] = macs[i];7 \1 L" W. o. F4 X
- printf("\nPlease input new STBID: ");
3 l9 Y8 `* H6 Q0 q- e - scanf("%s", stbid);
- C' e( P& m. I3 _1 M - if (strlen(stbid) != 18) {4 U4 ~: s. A2 B- ?% \( F
- printf("Invalid stbid\n");! L5 m3 y4 P5 k7 |0 [: S
- return 1;
# C+ ^* y# e' F/ F O) N; a* G - }
5 Y9 L$ D( ^9 p, f - printf("\nNew parameters: \n");
/ V0 u) v5 v6 Y- \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' z5 _* ]& `( R7 Y - printf(" STBID: %s\n", stbid);1 X0 _0 X$ g3 L9 V3 \
! T+ e4 c7 \2 C1 o; D- printf("\nDo you want to change paramemters? (y/N) ");
# b! `1 h9 F- U0 b! l3 Y - for (;;) {
/ \1 @0 Q% t8 M - c = getchar();
7 O8 c: Q Y( }4 y$ X: B- x - if (c == 'y' || c == 'Y')$ `: H6 u2 o# d5 {( ?
- break;% ~+ Y' A4 e; ]: K) M
- if (c == 'n' || c == 'N') {9 G/ H: z# z* N. S
- printf("\nAborted.\n");3 {) l! w7 X& p+ z3 M
- return 1;
) ?3 m' h3 R2 \ - }
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- if (writeparam(mac, stbid) == 0)
- `, Y: ?& s& g/ M/ r, ^1 x$ G - printf("Parameters changed.\n");8 Z/ ^8 j( y2 a: q
- , w! Y O# {0 i7 X
- return 0;
8 i) n" ^& q1 R# h% e - }
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