本帖最后由 0522 于 2012-3-21 23:04 编辑 ( x* e7 L7 P" ?( m ?
. V' Y- H0 |! h: c% w修改的代码早有了。到今天不会编译。
- H8 |0 W- e; a5 j需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* t, K" E9 K5 A
- #include <malloc.h>: c& }3 y- h0 }% K# |4 {1 ~
- #include <sys/types.h>
) G7 H" m: A" R; _8 m$ V8 h0 U( \ - #include <sys/stat.h>
; P" i$ M$ Q0 S0 U( b; ? - #include <sys/ioctl.h>
+ [8 l8 e% [0 ^9 N' w! H! @ - #include <stdio.h>; ]6 K! H( J/ i' X6 V
- #include <string.h>
( k6 Q* {% m# K( z, v' K) R& _' Z# C5 z
! j4 d! |3 n5 o3 w0 p- typedef struct {
- j1 U1 d% }# p$ M( n" A - unsigned int e2prom_cmd_sub_addr;
9 \4 U- A& q+ q2 h - unsigned int sub_addr_count;/ R' [6 q0 g" H" Z4 Q8 d/ r
- unsigned char* e2prom_cmd_data;
2 B& P) r6 |# I' d - unsigned int data_count;6 Q( k4 n) y; x' i, @
- } e2prom_s_cmd;
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" m8 O$ R3 u. @% i, W- #define E2PROM_CMD_READ 1
* M- M h s! g - #define E2PROM_CMD_WRITE 2* Q9 y" T1 C ]2 w, c3 y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)9 q+ y' A4 l3 [& a% H" |9 m8 k
- {
2 l) W" `# t, b. |* y2 @6 j - int fd, ret;4 L3 j* V4 l6 N7 e$ p3 ?+ V/ \
- e2prom_s_cmd arg;
, I1 R b, q8 |5 h+ a" e/ _ - unsigned char buf[0x18];2 ]% ~! S& u% n/ T0 M- h7 g2 l
8 L& B% Y0 [3 e6 I( M4 l2 S* a- fd = open(E2PROM_DEVICE, O_RDWR);* n- `- g3 w$ y/ y1 E9 [( d1 o' s
- if (fd < 0) {
% z. B( W8 t l N8 I - printf("Device %s open error.\n", E2PROM_DEVICE);
% L, r$ q' y9 P- s; d - return -1;. c! T# d9 _, z7 k6 L6 e- Z& ~
- }
- Y: f! ?# b) S! {+ L - arg.sub_addr_count = 2;
, Y: o+ U4 M7 j/ m' T. @ - arg.data_count = 0x18;
+ x; B. |) T' G8 e" a4 i/ x6 t$ L( Q% T1 m - arg.e2prom_cmd_sub_addr = 0x290;
9 F9 i' y: P) Q8 m# ~5 M - arg.e2prom_cmd_data = buf;2 T( P3 Y1 z/ X) L. S6 B9 j/ u9 H8 _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);: U- {) f2 Q5 v' O
- if (ret != 0) {" I/ d# [$ X+ g, `4 d8 u2 g7 W
- printf("Device %s read error.\n", E2PROM_DEVICE);
) i- v8 W; r m; x E% G - return -1;
+ V2 F. D% s8 i - }+ L2 Z. j2 K8 O! h; D6 j
- memcpy(mac, buf, 6);
4 q8 o. N' I. H' S. R. e - memcpy(stbid, &buf[6], 18);5 P) ~8 J) m: m0 k- \
- stbid[18] = '\0';6 R" s* m, T+ V* w0 H
7 T/ ~2 U! w8 g4 D- return 0;) r! z' B9 o) g: E1 `1 H5 }
- }' D) @, z/ }' q
% C U: k# v4 D/ g- static int writeparam(unsigned char *mac, unsigned char *stbid)! i& p: j$ `1 |: Y. P. X+ ?
- {
# k- X' W7 g9 f; N7 d - int fd, ret;
1 f$ f- P# q- l. q# y - e2prom_s_cmd arg;
" j/ i: v5 Q* X) R0 _& ] - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
" Y6 o9 U" \1 r& F5 K - memcpy(&buf[6], stbid, 18); L7 f' |: m% f+ F X
- fd = open(E2PROM_DEVICE, O_RDWR);
9 I8 N2 q4 w# ~! s& |( i - if (fd < 0) {
1 Q U) X! O8 Z) H8 n) k1 ?9 @! S - printf("Device %s open error.\n", E2PROM_DEVICE);( O$ b5 |. i8 Z: M- [
- return -1;
) v2 O# R4 A* w8 o5 { - }
G$ g+ @ G" | - arg.sub_addr_count = 2;
/ Q0 _; }; T* t U( o: a1 S, w' u - arg.data_count = 0x18;2 @8 U% J; J, O7 G. N/ _
- arg.e2prom_cmd_sub_addr = 0x290;* Q6 Z9 I/ d2 J! z6 A! ]6 U6 B
- arg.e2prom_cmd_data = buf;0 k' p2 o+ f8 b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, X: s3 C( C3 V, s9 j- K/ _) s - if (ret != 0) {
+ ]! z0 R* `8 G u% j. [ - printf("Device %s write error.\n", E2PROM_DEVICE);/ \$ R; T0 h/ ?
- return -1;
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- $ m" ^( L+ S9 H( o5 h: E
- return 0;0 {# C; Z* U7 m2 f
- }# V8 R0 O, G& X( y
% B, P' Q: v* h; }8 L8 o- int main()2 a) k1 g, i0 s0 ^4 K6 Q
- {3 X& B; p# A' n v# y& h4 t, J
- char c;
5 P- [( n% i+ Z) d5 i5 o/ e9 i - int i, macs[6];
9 f. x$ h1 r( U- T% D8 R) [ - unsigned char mac[6];# o. u# `8 n2 j2 i& W
- unsigned char stbid[256];
9 c+ o6 }: v6 n/ | - + H$ \/ l/ T' m) I* D
- if (readparam(mac, stbid) < 0)
& Y. B' c6 `( C7 ^! t. v" n - return 1;
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7 `2 n! I3 x# w* d9 Y( \- printf("Current parameters: \n");
. X4 ]+ A& q4 P8 b% X1 d2 W0 V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ d7 w, V2 K( y' H# ?8 q$ d
- printf(" STBID: %s\n", stbid);
R' ?) m! l& W. ~ - 1 y( r- E3 r' U- H
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- m' h! D1 X! v( d% t9 {8 t2 G5 W' r - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { Q$ u( }$ O/ D3 k! F0 }2 l. _9 U$ L
- printf("Input MAC error\n");
2 @/ O" C( }. a& A. ], E) Y - return 1;
# A* g+ y% T d1 J( ^! n - }
0 ?) g6 C# l ~1 L' d& r3 z - for (i=0; i<6; i++)mac[i] = macs[i]; A, S" f' U8 b2 M/ z) c
- printf("\nPlease input new STBID: ");5 h7 n4 X3 e" \+ w5 r9 R! q
- scanf("%s", stbid);
) p+ V5 _) U2 Y+ U& f - if (strlen(stbid) != 18) {5 P0 x8 |0 B- M
- printf("Invalid stbid\n");: w) Z3 F6 i* V( U; h! _; h! i6 h% U
- return 1;, \- u" Q4 {$ A/ ~' R: x" _! m
- }; m( J0 v$ N$ o _- M
- printf("\nNew parameters: \n");
0 N& y. i; y* A- V/ j3 i y3 D' ]/ ]; A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 q$ z' |- s; ~ P% G
- printf(" STBID: %s\n", stbid);1 R6 y/ m( _' S" b
- 1 l. D. J% C! B8 H/ H( c
- printf("\nDo you want to change paramemters? (y/N) ");
% w1 v- C! g& S3 s+ | - for (;;) {( _" m `5 o6 n5 g0 D; ~
- c = getchar();7 @! V$ K- J+ f; L2 g8 c) m
- if (c == 'y' || c == 'Y')
4 f1 S. \* k: y5 q$ e: N1 X" ?6 P - break;8 X8 w4 u, _$ m8 x+ t
- if (c == 'n' || c == 'N') {5 N# y; U6 `4 K& b( ~, z# K+ u) Q* t
- printf("\nAborted.\n");
' W. o- D. Y8 Y! R3 i% j5 g - return 1;
+ g" X; H/ H( y* u5 A, \ - }' b, k, w: H2 D
- }
O g$ J3 A* I8 C$ j; d T" \ A - if (writeparam(mac, stbid) == 0)
# F* K, N- n, @, N! \ - printf("Parameters changed.\n");
# }* y R# k" S; ? Z& i' { - 8 i, j7 f2 `( z7 O( V; ^* [3 Y
- return 0;
0 c" l) t% P. F* O$ W5 ~ - }
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