本帖最后由 0522 于 2012-3-21 23:04 编辑 / H+ G$ n' u& D' ]- b! h! ?/ y+ F
3 ?9 e' A7 Z9 P5 g修改的代码早有了。到今天不会编译。
, f( P. Y# d* a5 Y1 N需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' M4 H8 a) P. J; G* P
- #include <malloc.h>
) M3 m6 M0 C; U$ Y0 ] - #include <sys/types.h># {1 S+ `5 L- F( x* K4 J
- #include <sys/stat.h>
) N1 I3 i; E( c - #include <sys/ioctl.h>" [. f) b( a6 m5 p# d* I* h4 v
- #include <stdio.h>
6 [: X( l6 y/ G& O - #include <string.h>0 _. U {0 c$ N6 E) e7 x# f, r% w
- : @* y8 S) ~2 N, t. F; ]
- typedef struct {
! j! k' o4 P$ N" x' |4 S - unsigned int e2prom_cmd_sub_addr;
1 @" [ r I6 u6 L' p2 J - unsigned int sub_addr_count;
4 S% d k, H- F2 e+ j - unsigned char* e2prom_cmd_data;$ P( T! k& z/ C
- unsigned int data_count;
_+ r8 K: I- f h - } e2prom_s_cmd;0 ]+ D& p6 P$ E1 J+ Q
- 6 \% Z# f; K( X7 W5 M
- #define E2PROM_CMD_READ 1& D; G# J! _, a" Q
- #define E2PROM_CMD_WRITE 2
( O$ c8 r) D7 i5 m. R5 X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 _* q# H6 \; f
+ \5 s) Z# t' m7 y- static int readparam(unsigned char *mac, unsigned char *stbid)
; ?% l ^; H9 s. Y7 f - {
0 K: S0 `2 o6 K, G; @ - int fd, ret;
) D& U/ r" {% u/ V3 S - e2prom_s_cmd arg;+ P0 e4 G. _0 {: c& U
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);6 z4 K. `8 Z2 x6 i5 s: ]' K4 g, o
- if (fd < 0) {
) b' c( g0 C8 ?0 z6 K - printf("Device %s open error.\n", E2PROM_DEVICE); V4 i/ l+ ]; X/ l( g5 _2 H
- return -1;
9 ^ F/ p( {/ N$ s+ r - }
; b3 o) K/ d/ K& _( U" u - arg.sub_addr_count = 2;4 }0 W4 ~, Z- ?) V( I7 J; G
- arg.data_count = 0x18;1 {$ v/ E5 h; ]9 j7 h% @' t; p
- arg.e2prom_cmd_sub_addr = 0x290;
% v1 X# b5 l n& T! R. e - arg.e2prom_cmd_data = buf;% q; q% w) @$ A* B( I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 f% r- B! ^6 o
- if (ret != 0) {
+ n, K7 _) n8 F9 x/ ] - printf("Device %s read error.\n", E2PROM_DEVICE);
, K5 }. k6 s! i2 Z; |" w4 C B- } - return -1; I6 i: q; U/ M% j
- }+ @- |: C: t# T2 d( q
- memcpy(mac, buf, 6);4 I3 B+ L# M) L. X
- memcpy(stbid, &buf[6], 18);) r! e- ]/ V/ ? D) d. l
- stbid[18] = '\0';! H! L- P. G V1 G) p) n
# k" l( @) U1 j8 @- ~6 O- return 0;* |/ c/ @0 `: y, W+ W* ?
- }
/ I. W5 l6 L' |! ~( z - ) F6 r0 H6 f6 O; }6 D! z" w; A6 |
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! ?; f {+ q/ J& w7 o
- e2prom_s_cmd arg;) B2 Q3 ^' X% m7 I
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
0 N& Q* ~% r3 [! O - memcpy(&buf[6], stbid, 18);
) Z6 B, y" L" j. o - fd = open(E2PROM_DEVICE, O_RDWR);6 }2 y- @6 I) c5 A
- if (fd < 0) {% W& ?3 H' [8 g" I/ X7 B( X+ S! r
- printf("Device %s open error.\n", E2PROM_DEVICE);* m$ `, T$ U! j2 K9 e0 N) x
- return -1;
0 r: N+ h9 c7 _. p% P+ X2 f - }
: L" h; `" V- o4 F# A/ s - arg.sub_addr_count = 2;6 V$ ^, R% ?) Y
- arg.data_count = 0x18;
% ^+ u' p5 B& ^ - arg.e2prom_cmd_sub_addr = 0x290;+ S) E3 s" d5 \$ k4 Q# A1 @0 B
- arg.e2prom_cmd_data = buf;
) T2 j& x3 o8 N) b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 Q7 `' r- F8 x" Y) R) ?2 |- H2 P - if (ret != 0) {
; {- R2 w6 ?$ Q- x. L. c- l - printf("Device %s write error.\n", E2PROM_DEVICE);
9 a& o0 x2 {2 G" M, n5 c! j - return -1;( [4 m1 b9 |" @; F, J+ `0 _+ b: s
- }# \+ p9 C& K1 u+ ^6 m
- # r4 |7 m0 @2 w7 S
- return 0;
$ [. c6 \3 {( w# K% o! x& ^ - }
6 E7 J3 k+ w0 @$ x
7 [& E) z& m2 E* o+ t- int main()$ [; f# s/ Z5 Q
- {" C9 I0 ~) |+ N3 n& u; {
- char c;
0 d( _, k# R. H! M, u. b, G - int i, macs[6];
; g9 F$ b; g3 n - unsigned char mac[6];6 f9 }; L+ [$ U/ O
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0); u/ b9 X1 N: `0 L) F0 q; N3 \
- return 1;+ ?6 m+ U/ C* u
- 8 O. O, M1 v3 e/ b
- printf("Current parameters: \n");
! P' h+ k3 ^- S3 N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( e6 K( x/ D, P* S' i - printf(" STBID: %s\n", stbid);( ]0 o K, A9 \9 H
-
% K8 O" [/ {. V1 [: E- E - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
# j( M; s7 f6 L: w1 e; \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 Q# L2 z8 a } X - printf("Input MAC error\n");
" r$ F0 D' r/ H% l* @- a6 Z/ q - return 1;& d5 T' @! V; H0 R' b+ T
- }
' t5 ?8 i% f" A6 s% T - for (i=0; i<6; i++)mac[i] = macs[i];
3 l! F: O- s1 w, U0 g# f( s - printf("\nPlease input new STBID: ");
& [2 ?& \4 q1 c; A7 q; ` - scanf("%s", stbid);
6 I- ?7 a9 G% H, k3 A# B8 g" E+ a - if (strlen(stbid) != 18) {7 Y6 b T5 b( j t. V
- printf("Invalid stbid\n");
! h4 k, S5 i% y' h - return 1;
9 W) C' n! a3 W. @" d1 U$ } - }
1 v+ a5 P d( |' z - printf("\nNew parameters: \n");/ z6 P* @; Y" r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 l: @2 e; G' O8 L0 @/ `
- printf(" STBID: %s\n", stbid);
. @7 f' F0 z) k# B
" s Z' s# j$ H2 M. @( `; C) h- printf("\nDo you want to change paramemters? (y/N) ");
; ~4 Q/ g* @0 Z" e! M! j2 L - for (;;) {9 x3 V8 |2 U e5 X, o r$ G
- c = getchar();
" c; [% N( h9 A0 a% \ - if (c == 'y' || c == 'Y')
0 v: V E+ t. @' f6 z, | - break;" u p6 q/ r+ z1 ?/ v2 L, f7 `
- if (c == 'n' || c == 'N') {
& R+ O! P2 a' m1 @! E - printf("\nAborted.\n");
' D+ I( J6 B$ W. S2 L) T9 i - return 1;& T. B$ Y5 p% c5 l' D& c, J
- }; Z; U( I& ^, Z1 H, k; C
- }6 m A4 n5 e+ w$ ]8 ]: y
- if (writeparam(mac, stbid) == 0) , ]8 X* I, v$ O1 a+ m R
- printf("Parameters changed.\n");. P; M, D1 o& K" f
7 d5 _# }$ i8 b2 B- _1 U- return 0;: U. e) A' G, @$ g# f7 c* z$ ]
- }
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