本帖最后由 0522 于 2012-3-21 23:04 编辑 _- |0 ^7 W, s4 c. V
/ Y3 V! Z6 \: }4 p修改的代码早有了。到今天不会编译。4 G2 C. E5 k c! E# ~ i; l" ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: P% A+ G6 A* b6 c1 v# X( b5 z
- #include <malloc.h>! S& J# X E4 g8 r1 E# P( `
- #include <sys/types.h>- K4 q8 p" q& _3 e7 S
- #include <sys/stat.h>, x$ T# P3 Y8 a. z2 Y' J; v% e
- #include <sys/ioctl.h>6 F6 j% S+ A Q. U
- #include <stdio.h>. n' n" @3 {$ [- i' b6 r& t
- #include <string.h>
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- typedef struct {
" E: d N" Z9 d- n9 b - unsigned int e2prom_cmd_sub_addr;
$ V6 Q6 ]! s+ ~ - unsigned int sub_addr_count;& X' Y. X, ?) F f7 ~/ O& i/ f
- unsigned char* e2prom_cmd_data;
! U4 L7 l" d9 T- S0 h - unsigned int data_count;
0 o. O; U- U7 _- z7 B: j - } e2prom_s_cmd;
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8 E0 e' T$ U. b- E2 P8 t2 D9 g- #define E2PROM_CMD_READ 1
/ v6 [4 {3 V9 j. m$ T% s - #define E2PROM_CMD_WRITE 2
% p4 ~5 O7 z2 t" X7 S& _+ A$ y5 t7 S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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: P9 c. L' D* A- Y- |6 {/ d/ }* q- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 {* X/ c# x p# c
- e2prom_s_cmd arg;
# G) ^4 v5 R: C/ a. y - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);/ ?" X) ?9 b- _1 [
- if (fd < 0) {) Q8 A ~- g7 |, n1 F* k( g0 Z
- printf("Device %s open error.\n", E2PROM_DEVICE);/ O3 D d5 M [
- return -1;
1 k b4 J/ f5 X) C; F1 n - }
7 l/ E& \ _& y! W - arg.sub_addr_count = 2;% [: ~: p' `4 J+ L( G' u
- arg.data_count = 0x18;$ N4 T1 l9 Q9 F8 ?) c& `
- arg.e2prom_cmd_sub_addr = 0x290;1 i7 m' L7 H$ Z7 f! R
- arg.e2prom_cmd_data = buf;7 h) A W, }# }# N L# Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 \2 G' K4 b, T* N/ N - if (ret != 0) {
+ v7 w L% N# F* \ - printf("Device %s read error.\n", E2PROM_DEVICE);8 N% c6 k& |5 k, c& y D
- return -1;8 p3 r- `2 Z: e- ]6 O
- }- ]3 Z, \, S4 o
- memcpy(mac, buf, 6);
" \" c& p/ g! B4 b6 V, T3 m7 q - memcpy(stbid, &buf[6], 18);! @; x9 c7 n( l' v5 d2 x. W1 }% L5 I
- stbid[18] = '\0';) d7 l# h9 j! n2 D
) v) A: W4 t- o3 k( y% j, c- return 0;
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- * q- u( v) X8 j
- static int writeparam(unsigned char *mac, unsigned char *stbid)
& {6 {# ~) n. ^2 y( q" C2 {! C - {
) U; L2 ?# y1 b0 F4 d - int fd, ret;3 D j) ]8 u& m9 I: B
- e2prom_s_cmd arg;+ E) \0 P/ D7 G! }$ L
- unsigned char buf[0x18];2 i7 ]) L, F. U2 q
$ r: t4 D4 a( t# h. V- memcpy(buf, mac, 6);6 G6 P r6 X5 c4 d" U$ h
- memcpy(&buf[6], stbid, 18);
5 j. e/ _. t$ y" c0 c& F) P$ M% h - fd = open(E2PROM_DEVICE, O_RDWR);
6 v: @0 O5 ~; e* Q2 l N - if (fd < 0) {
+ c* |8 h. W- @5 o - printf("Device %s open error.\n", E2PROM_DEVICE);- L1 n0 N. i1 k6 b
- return -1;
3 L% t: t: O8 b8 Z - }
: G3 i4 N! U( P( Z/ g: `# R7 @, ? - arg.sub_addr_count = 2;' ^ h7 k& D+ Q6 w w
- arg.data_count = 0x18;
3 E+ O* w5 M# S {4 s& E - arg.e2prom_cmd_sub_addr = 0x290;
( L e3 t; i- D4 w# } m - arg.e2prom_cmd_data = buf;8 s) D6 v& Z6 G6 v5 J7 J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ y! H+ o8 f4 f, t& V - if (ret != 0) {
5 F9 I! e0 ?. k9 A& f3 u - printf("Device %s write error.\n", E2PROM_DEVICE);
6 A% V$ M# d. g6 @# ?, b - return -1;
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- return 0;3 ^1 d; C7 z2 z) B% X+ `' S- K
- }
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$ N. [1 k& ^9 y- int main()
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- char c;
4 m1 @5 T, q5 b& }4 G( N# g7 x' G! u - int i, macs[6];& K. `3 I( F( b( `! e1 }
- unsigned char mac[6];
4 W2 J2 F5 O p - unsigned char stbid[256]; s' a1 N2 d5 M& `4 |5 X# ^
- % z* K6 b- J2 ~9 K/ k7 z* p
- if (readparam(mac, stbid) < 0) b u. b, n* A
- return 1;
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8 I( l" j7 J7 a4 S- printf("Current parameters: \n");* |2 ]0 b* U7 t% X2 W& d
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 o& ~* c/ a& O - printf(" STBID: %s\n", stbid);6 e3 s6 S* r5 Z% i; U; F6 M
- : k1 z1 Y) z9 V, O; ~. N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 o6 h- m% G' U1 j! @, a
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, K% c; I" r0 Q$ {1 ]) a, Z, I9 r
- printf("Input MAC error\n");
$ b7 I9 D! Q7 i$ A1 Y/ w! F - return 1;
0 [8 K, |! E- W& M, ~; c# J - }
c- V6 I' T& o# |9 ^) G/ V- \ - for (i=0; i<6; i++)mac[i] = macs[i];
- t; Q* S) ?3 V' r% E4 w8 _: ? - printf("\nPlease input new STBID: ");; d- f4 R- F- X5 |
- scanf("%s", stbid);
* P$ q7 p$ k) d, f% U - if (strlen(stbid) != 18) {5 g0 E8 A* W0 a; _
- printf("Invalid stbid\n");; m; q* [" F+ Q
- return 1;
, u6 t# w/ E7 x$ k. m - }
# v7 C- @) v* R x - printf("\nNew parameters: \n");' U9 I- |! C; S8 l& p5 n" L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 U- T1 }* Y5 _9 B
- printf(" STBID: %s\n", stbid);
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, Q" @- l8 w' k3 h2 V- N$ }6 g- printf("\nDo you want to change paramemters? (y/N) ");6 w% K& r# o4 U$ S
- for (;;) {) p5 T( c h- K: Q- S6 J7 r4 \ i
- c = getchar();
( w1 J. t4 ?3 O - if (c == 'y' || c == 'Y')
: F. S; C9 R( G* E - break;
7 M& S# a T. {# f4 ] - if (c == 'n' || c == 'N') {! [% m! W; Y0 l/ O6 ~$ |) Q
- printf("\nAborted.\n");
) w3 r2 f1 G) s; a9 V; ? - return 1;
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/ M' c, `9 D {! \ - }
$ T% C+ c# S! C& v7 L; S) Y - if (writeparam(mac, stbid) == 0) 3 r' W. M* m% u& L7 q1 u
- printf("Parameters changed.\n");
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- return 0;
: }/ P5 y3 H. m7 V- E9 d - }
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