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。
, s* ~1 B; n! c1 d2 j+ ~) g! h需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 p. I6 e. i2 _" t4 X) D2 c) _% B - #include <malloc.h>
7 w' C; Q0 I4 S3 j - #include <sys/types.h>
1 O; h+ p! r9 M9 f - #include <sys/stat.h>
2 t) P; U2 R+ v1 K1 l- F' \ - #include <sys/ioctl.h>% \8 e6 q Q& O9 L
- #include <stdio.h>' w8 s8 t# [( c4 t# n" ~1 y6 U
- #include <string.h>/ m. U3 ~* `; l4 [ d; G
4 ?! Z/ o* W# a/ N6 {/ b' r- typedef struct {
0 D8 d2 F" ^6 f; ?0 v' y - unsigned int e2prom_cmd_sub_addr;( Y4 _: z- J3 N3 B3 R8 J0 ^
- unsigned int sub_addr_count;0 B$ o \, ~6 y5 g, H5 C0 ~3 K
- unsigned char* e2prom_cmd_data;7 L) A0 ^& X: ~
- unsigned int data_count;+ p, |! |+ ]" c+ |$ t
- } e2prom_s_cmd;, j. C V: ] A3 C/ t: ?0 b$ C' Y
1 j# e1 V" B3 ^* x' x- #define E2PROM_CMD_READ 17 D- c: y' ~ G
- #define E2PROM_CMD_WRITE 2$ r& f; P2 D/ A) `5 H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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0 ^. M6 J _; E! f- static int readparam(unsigned char *mac, unsigned char *stbid)' O" P/ Z" ?( `% W
- {
; l1 H# H0 r: r) L- g - int fd, ret;+ I' H/ r; D: d* I, {0 g6 O! `
- e2prom_s_cmd arg;7 E) x* S1 D* b
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);3 H, s/ M+ ^ Z; Z& W% h2 r. ?
- if (fd < 0) {* x9 m- u7 a# v- @! _
- printf("Device %s open error.\n", E2PROM_DEVICE);
( e$ P5 S. a3 z# S: S* U - return -1;
7 D4 I; H* \" S) ]& ~7 M7 K - }
) e/ J/ u$ G: y F - arg.sub_addr_count = 2;
# U, o7 l5 R7 N3 h# h) T - arg.data_count = 0x18;
9 q& W/ @* p, A2 [+ S6 H4 F7 u - arg.e2prom_cmd_sub_addr = 0x290;
! X; S8 t2 `) A0 } q - arg.e2prom_cmd_data = buf;$ H6 _ w3 {. g! }) J- @5 i
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); j2 i) U3 A( @% y w8 H! L) m. A
- if (ret != 0) {
5 b- h# M$ c7 A* m, b; x3 R* i2 X - printf("Device %s read error.\n", E2PROM_DEVICE);
0 H. R2 ]2 o0 i. F$ v) J! j - return -1;
4 C/ b$ O1 x( O2 w. H& Z, i1 D - }
9 V! { k! \% K7 x8 }0 g4 | - memcpy(mac, buf, 6);
2 S6 X' b, `$ F; p) K6 W - memcpy(stbid, &buf[6], 18);
; f9 n( p r. m" t# `( D0 H - stbid[18] = '\0';
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' y. k) r4 D B4 ?/ g- return 0;
4 E% O- ]5 ~' q6 t - }
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$ L- K" @8 a) W% l+ x: [, ]% B- static int writeparam(unsigned char *mac, unsigned char *stbid)- q/ ~2 w, @# Q9 O1 W+ h2 ^* w8 i8 b
- {0 @# ]" v5 C2 k2 \. D% e0 e4 J
- int fd, ret;5 [5 Y: n6 f2 [ C6 X( x
- e2prom_s_cmd arg;
8 m7 Y1 @# n. g$ H - unsigned char buf[0x18];! x$ H6 \" O' i- C0 l. z# @
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- memcpy(buf, mac, 6);7 F" d8 o' i7 m2 E4 J4 v
- memcpy(&buf[6], stbid, 18);
5 L. c3 J8 T6 W d; E7 x4 r - fd = open(E2PROM_DEVICE, O_RDWR);7 S6 a4 W+ r/ E( d
- if (fd < 0) {) H1 Z1 G6 B8 o1 \6 k6 [4 e
- printf("Device %s open error.\n", E2PROM_DEVICE);! {) R5 i f! z( @- ~9 o0 n$ ^
- return -1;! h' a" E; K: f/ n% }1 u c
- }
% S" f- k7 y# l! R - arg.sub_addr_count = 2;. s7 n' ~, c4 F" n, @
- arg.data_count = 0x18;$ B: y' k# l0 }! _6 u$ P3 g
- arg.e2prom_cmd_sub_addr = 0x290;
8 F8 \' y( h5 F4 X" {% r - arg.e2prom_cmd_data = buf;
2 ^# S! z/ ^; ~+ t, T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 z- L! w2 W) p - if (ret != 0) {2 d6 m) s0 v. x) x
- printf("Device %s write error.\n", E2PROM_DEVICE);
' m( f4 D# R) l8 U, o: D, q5 W - return -1;8 ^" r5 J* E* X' a4 ]
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' S/ J: F* M! y, Q- return 0; p1 h* g7 C, z# ^4 q7 G+ [1 a
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- int main()
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- char c;
; ]8 O4 K8 @2 d6 ? - int i, macs[6];
- C& _( D$ E5 o# F" w - unsigned char mac[6];
% j9 V+ S( Y0 Y' _( `, n6 m" F - unsigned char stbid[256];( g2 |/ u: I" A8 K1 U4 |! b. b _/ ?1 T
; M+ r+ t5 _# \; g- if (readparam(mac, stbid) < 0)6 t4 H. ]8 d) b6 @, H
- return 1;
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- printf("Current parameters: \n");, D# m$ i( v/ ~( b$ @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 S) b% u5 D* r1 F D/ x
- printf(" STBID: %s\n", stbid);: Q# Z- t4 H8 n4 X! V4 v5 C: g' R
-
* G) Z* G" ?- j( Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 k6 g3 o9 k0 A: O. q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. a+ B9 h- y; }; v
- printf("Input MAC error\n");
& V/ M! q5 ?2 l* { - return 1;* N2 a" R2 `* J' e P* [
- }
7 y4 y% {5 }& F d9 P) m* d - for (i=0; i<6; i++)mac[i] = macs[i];' f6 h# Y& r% \7 d
- printf("\nPlease input new STBID: ");
7 _" m3 n" m8 ~6 s3 {7 G. a- }: X% W - scanf("%s", stbid);; x( n9 m1 i/ n5 Y0 k+ Y6 B7 Y
- if (strlen(stbid) != 18) {+ B+ U1 K% _, \4 S' [7 G5 I
- printf("Invalid stbid\n");
; _8 h$ j! N$ Z+ v& Z - return 1;: E9 f6 h1 x4 L3 z4 {
- }' V1 s; H8 g! ]) l7 T& X
- printf("\nNew parameters: \n");; J* j# g5 g/ i( ? Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 C- p7 j- y6 v$ N
- printf(" STBID: %s\n", stbid);
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7 ]6 r& s7 u }. s: x0 |- printf("\nDo you want to change paramemters? (y/N) ");; a" k0 I! I4 W) A* g, k
- for (;;) {" W! F/ d7 k$ ~. S- `, J
- c = getchar();
! N5 e ~& b; @& A/ T1 r2 F - if (c == 'y' || c == 'Y')
8 \- c$ r. X$ W4 O% | - break;
& Q2 o+ ]6 q* O5 ]* |) m - if (c == 'n' || c == 'N') {
- |0 m, U ^, E - printf("\nAborted.\n");
. }9 y" a5 M9 A4 P - return 1;
1 `2 w7 |, m" } - }
1 A/ f' t9 z( Q( M0 ] - }
, x" S# J( z% b' H0 F l3 u - if (writeparam(mac, stbid) == 0)
. U1 e2 j( b! U7 n$ O - printf("Parameters changed.\n");
! V- V% I( r6 {
; H J, n7 v1 q- return 0;
* q, E, @# }0 T - }
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