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。) X) c) @6 _2 i! f V$ j
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" ]% P! L0 a0 Q. i
- #include <malloc.h>
; f4 C2 r# J3 ~. ~* R - #include <sys/types.h>5 V1 [' j# z' [+ Q
- #include <sys/stat.h>+ f( [% x4 ?0 R( m# C" t
- #include <sys/ioctl.h>
$ ^; X: e% M' k5 M. H9 R! r | - #include <stdio.h>
2 q2 n% P0 n# d9 E! s7 w - #include <string.h>
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# P. j( _; r Z4 s c0 D- typedef struct {" y4 T5 G5 i9 K# |( I6 L
- unsigned int e2prom_cmd_sub_addr;
, O) W6 P m& d$ I - unsigned int sub_addr_count;
: c x0 f+ u( a4 Y2 y0 { - unsigned char* e2prom_cmd_data;5 s; _% B+ {1 B; E8 P* D6 q
- unsigned int data_count;
6 G8 V* g g4 p7 G c - } e2prom_s_cmd;
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) {' S$ g; v% N- #define E2PROM_CMD_READ 1
* A" _. K) Y( r/ s* r - #define E2PROM_CMD_WRITE 2
- x I" f" O" E; Y& m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 @' X& e" u& N! p4 z
9 R5 l1 x1 s3 x' ~- b1 r, G- static int readparam(unsigned char *mac, unsigned char *stbid)5 t# N' |& `6 H0 y7 J% u
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- int fd, ret;
- F6 W+ o2 E& J - e2prom_s_cmd arg;
: f2 N, I. h) b& c( @ - unsigned char buf[0x18];3 P! t! R5 ~4 M0 j
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- fd = open(E2PROM_DEVICE, O_RDWR);
5 r' X& `' S& g! Z- n% F- c - if (fd < 0) {
8 `: f- |5 X1 g; a v8 c6 s - printf("Device %s open error.\n", E2PROM_DEVICE); J* C% n2 e. u$ q2 t' R5 Z8 W
- return -1;3 I- s; K- J& W& u
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- arg.sub_addr_count = 2;
/ z9 f) ?+ r/ P5 n4 \4 x- C- ^) D/ n$ b - arg.data_count = 0x18;
1 t! h& I3 _% f+ T B0 ^# c - arg.e2prom_cmd_sub_addr = 0x290;; n/ X l& u! J* H- s- H2 m
- arg.e2prom_cmd_data = buf;
6 Z- v5 N0 F) e% h: |$ b- B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" i5 Y9 S$ [4 F; V - if (ret != 0) {
! U6 g! R7 c, B [) G0 @ - printf("Device %s read error.\n", E2PROM_DEVICE);5 J1 }3 F( B5 T9 y" d+ ]4 ^5 E
- return -1;7 s* [ m! u( M1 ? c3 n
- }
4 \$ m: z% I. S2 m, w - memcpy(mac, buf, 6);; G9 G1 R. m% Q+ L* L; r- }9 |' y$ A
- memcpy(stbid, &buf[6], 18);
; c# p8 T8 n2 C* R5 K2 c - stbid[18] = '\0';
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- return 0;
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- $ i! j* j2 L+ ^# y
- static int writeparam(unsigned char *mac, unsigned char *stbid)
) M1 J4 T1 C" ?8 o: t2 B- w- m - {0 s s; O) \2 ]& O: |, `
- int fd, ret;
0 F1 G7 I/ t! }' X3 m - e2prom_s_cmd arg;
4 V) E( r9 Y" l9 b - unsigned char buf[0x18];: @- M3 _3 |- n
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- memcpy(buf, mac, 6);
' i( @' q4 ]: n1 J9 m; ]* \ - memcpy(&buf[6], stbid, 18);% o0 R( S: B+ \& }# A0 g7 P4 ]* E
- fd = open(E2PROM_DEVICE, O_RDWR);
% W6 j% U' W2 V9 R0 u- M - if (fd < 0) {8 i, [$ q: m/ j5 v6 R
- printf("Device %s open error.\n", E2PROM_DEVICE);- L$ f! i6 u+ p+ E+ q
- return -1;( G- |0 h. f/ s9 F, M7 M/ M
- } ]7 A; V0 I- v- f2 z4 e8 e
- arg.sub_addr_count = 2;2 C0 Z+ u% b- o2 o5 a
- arg.data_count = 0x18;" x% @ c. ]" Q! }
- arg.e2prom_cmd_sub_addr = 0x290;
+ J9 {) }. a9 S8 C; E6 t6 f# ] a x - arg.e2prom_cmd_data = buf;4 q( L }" S Y4 Z. y; h$ i
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 L1 C3 \1 z: {6 A
- if (ret != 0) {+ O7 `9 K0 n% ^2 J
- printf("Device %s write error.\n", E2PROM_DEVICE);$ ?4 F: F3 C E
- return -1;% Y& I" D& x9 G
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+ X x8 B$ L) r# m+ l7 P# a3 X& X5 m- return 0;
3 H$ |8 }- b- g1 F+ V+ l - }
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- int main()6 U' \; t6 z* G/ @
- {
7 C/ z% o7 s- a0 ^ - char c;
/ N7 h, U- x# m# s - int i, macs[6];; f3 f( g3 R) y) k& J. n; n
- unsigned char mac[6];6 j G' A3 j2 J7 I
- unsigned char stbid[256];
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& B5 r' X$ ~3 M9 S; M8 S3 v- if (readparam(mac, stbid) < 0)
# ^# N' @% k' i - return 1;
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! ]1 x1 @1 `6 B" s1 Y- printf("Current parameters: \n");
% e( M0 [) T6 m+ B% W* A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ @9 q6 \$ p0 U0 D$ F2 m, M
- printf(" STBID: %s\n", stbid);2 Z% U( e5 P) j4 A# K# U4 D
-
1 b0 p8 x: {4 B- u$ S7 }7 i0 ^ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* ~1 J2 @; \3 O9 _ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {6 K2 d4 ?9 i, `; m2 V1 Y
- printf("Input MAC error\n");4 a I/ t3 N& W$ V7 ]0 l
- return 1;/ |8 N+ o3 Y5 T: n
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- for (i=0; i<6; i++)mac[i] = macs[i];0 \8 ]# D% P. I& V! w- Z
- printf("\nPlease input new STBID: ");
7 X7 B+ x/ b6 i4 M3 P - scanf("%s", stbid);: n, i! G7 y v& E, Y1 O3 m6 e6 V
- if (strlen(stbid) != 18) {
4 x+ D2 v2 E2 C/ R5 ]# z - printf("Invalid stbid\n");
: F" n) W/ C0 T6 Y# L - return 1;$ D0 G, g# m: a0 @- ~" \% p
- }
' w; Q0 [; C! T R- E, u - printf("\nNew parameters: \n");
( q+ a9 Z Y& r3 }8 H; z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); R1 v! X1 U! ?4 N- H
- printf(" STBID: %s\n", stbid);, B) e' z# u5 T3 [4 X: c8 R5 e
- 0 E1 H3 o6 ` `! C7 `- X4 h9 c% D7 C
- printf("\nDo you want to change paramemters? (y/N) ");
. m O3 F6 J' \, R2 g/ m/ s - for (;;) {$ R6 G( w5 F( M7 k
- c = getchar();1 e9 ^* \, f# T. {, \
- if (c == 'y' || c == 'Y')
' z9 R/ `, I; \ - break;, K' C7 E" d" Z7 d0 b
- if (c == 'n' || c == 'N') {
! C+ U0 s' R- r8 e - printf("\nAborted.\n");
( k1 o5 T7 b6 ^ - return 1;% o7 N2 {9 @. D3 y3 G; ~# Z
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- }0 Q7 \7 O) U, c9 ^9 r& a4 o
- if (writeparam(mac, stbid) == 0) ' N. _, X- p3 b
- printf("Parameters changed.\n");
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- return 0;+ j5 ^* ^6 _& a7 v( L8 }
- }
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