本帖最后由 0522 于 2012-3-21 23:04 编辑 : e' }- |) w' Q: ?
. d L! Y2 Q: m' O; ^修改的代码早有了。到今天不会编译。* {$ E. e l! _' X. ~7 ]- i- @3 g/ r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 l5 J$ b6 P3 }+ d8 U! k/ _
- #include <malloc.h>
5 Z; o' ^. u/ |5 F1 T4 y - #include <sys/types.h>
. j: F8 D7 W+ ?) _7 N% _" h# y: X - #include <sys/stat.h>
- c/ g& a% E1 p4 _* e - #include <sys/ioctl.h> {! m( g( Q& S8 m3 y: ?
- #include <stdio.h>7 v3 J2 Z- |$ B8 k
- #include <string.h>. L( L) ~! J/ T$ F
- `9 D/ `9 e+ c. U2 G3 q- typedef struct {
3 A- c6 b/ s4 z% c/ ? - unsigned int e2prom_cmd_sub_addr;
5 Q* s& I4 n. v: v& _ - unsigned int sub_addr_count;
) F/ l, ]* ]; g4 |+ t9 {0 g6 _ - unsigned char* e2prom_cmd_data;
( z/ G7 }7 ]1 e# D9 n; A! t" g - unsigned int data_count;5 B& x1 L% ?0 u" E. E
- } e2prom_s_cmd;6 _, ` l, M `5 h
5 y. |* Q3 m* V7 {. R) T- #define E2PROM_CMD_READ 1/ o5 X2 J- T$ s1 S8 [) `, J
- #define E2PROM_CMD_WRITE 2
5 Z# c7 F- m1 P% S, }6 h" } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid); X* o- D& ~7 h! E/ G: Y& w0 B
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- int fd, ret;) T$ J; u0 E8 e# g
- e2prom_s_cmd arg;
/ z4 }3 P$ K/ s) C3 Y - unsigned char buf[0x18];( l9 L9 g) o8 ^6 Z4 f2 w
& G( [" O& x5 S( D4 S- fd = open(E2PROM_DEVICE, O_RDWR);
$ Z2 k1 a, F& r9 t- ~! a* Z' `. g - if (fd < 0) {; e5 J/ H7 @: u. K; h* b. x
- printf("Device %s open error.\n", E2PROM_DEVICE);
; @ p" I& f5 e - return -1;' R% }6 \/ r6 Z
- }
) h& O/ g. Y% Q m( w - arg.sub_addr_count = 2;
7 r- g- R3 k" ~7 |7 R- q" E6 d. L - arg.data_count = 0x18;
( \: v& n' f) B* b - arg.e2prom_cmd_sub_addr = 0x290;" N+ L$ J" G$ {5 ~
- arg.e2prom_cmd_data = buf;" |. ^/ A: a; N; W S9 }% l/ I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 G5 v- Z$ h( S' @. A - if (ret != 0) {
7 @! `& j# e; v* J5 p" S - printf("Device %s read error.\n", E2PROM_DEVICE);9 s7 q6 _9 A2 i% e8 E
- return -1;
$ e0 `, W/ S0 c" M - }
8 n5 q6 E6 w$ F' k+ m - memcpy(mac, buf, 6);( ]: }! A% s! u2 n+ W& T
- memcpy(stbid, &buf[6], 18);/ [& o# w4 a4 m7 T( J+ _" h
- stbid[18] = '\0';
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; p; `/ n, A9 l! r- return 0;% O Z. ~: c8 s' i Y
- }
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! J% t8 D# a- u$ |, [# J- static int writeparam(unsigned char *mac, unsigned char *stbid)1 G5 x# v8 P a2 r) U
- {
% z7 b! f2 z. p - int fd, ret;8 M# K2 O& K4 i/ Z: @; {+ t$ d
- e2prom_s_cmd arg;
1 K8 M* t; t4 a# M& F, \8 v& O - unsigned char buf[0x18];! V0 @# e1 B" b" h- Z6 V
% w: g4 t5 ?4 K2 d) J! t- memcpy(buf, mac, 6);. @% z7 S* ~. J1 i: t/ B
- memcpy(&buf[6], stbid, 18);' @ q r$ j1 a- l) ~
- fd = open(E2PROM_DEVICE, O_RDWR);0 I- w4 O$ A: \2 ?4 y
- if (fd < 0) {' ~9 e; r+ }4 C: e" T% m- p6 X
- printf("Device %s open error.\n", E2PROM_DEVICE);1 t- m! p5 u& i% \2 L. I/ Q
- return -1;
3 |! J4 \) N x7 K4 y0 X W2 u- h - }
5 N2 f3 T' [ M) \- S - arg.sub_addr_count = 2;) h2 p3 \1 M' b- p5 ~3 E4 @
- arg.data_count = 0x18;" u0 J% I: I- t3 c/ {$ \
- arg.e2prom_cmd_sub_addr = 0x290;2 t0 t$ {2 P4 Q3 P& i- Y1 Q
- arg.e2prom_cmd_data = buf;( f& P) n- F" y1 q7 X2 u8 N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; h0 K3 }" u: P, z. ]3 Y' ]% w - if (ret != 0) {
V5 {1 ^3 m/ H - printf("Device %s write error.\n", E2PROM_DEVICE);( ?' m- Q- p. |! @
- return -1; F% P1 z& t* V& a6 G' t/ v
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- ' M/ @# F0 @& N* A/ D! j
- return 0;
& j+ X1 E: G' N5 l+ [ - }
4 I! D; F# K0 d
, s; }3 e. ]: a9 F8 e' _, r3 x- int main()- l& |/ G V0 n8 m8 X& `
- {
; a8 P+ z+ o# Z4 v8 B! F - char c;
0 b3 u, R; ~9 V% D8 J8 j - int i, macs[6];% `& ]7 o+ J# I. V8 ~: _, `
- unsigned char mac[6];
& P8 T9 J# J q - unsigned char stbid[256];
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( q J% b. S H4 j9 U0 `$ \- if (readparam(mac, stbid) < 0)
! m' ?) z* z7 k" l" d - return 1;# t0 r! O1 Q! Y
- - X) z( z, U/ w
- printf("Current parameters: \n"); `! m7 l/ [6 Y: n! o% l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" R! ~, E6 c4 m: L& L
- printf(" STBID: %s\n", stbid);0 ^# _% K+ j0 f) p7 C
-
" M% B4 Q. W' A' H" _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 c: ]9 M4 S8 r2 s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ C3 ^ y( r4 x9 ^
- printf("Input MAC error\n");7 s' L' a! P5 `: \6 V5 i! U
- return 1;
! p/ j) @ n* h! [( P - }
+ q' r; d& Z( C. z! O# |: b5 Z+ s - for (i=0; i<6; i++)mac[i] = macs[i];
/ E1 T: M1 f' o8 B; Q - printf("\nPlease input new STBID: ");) O3 R3 O" ~8 u: y$ q$ h( B$ w
- scanf("%s", stbid);
0 I1 `- R% x* S( O6 y - if (strlen(stbid) != 18) {
! G- I$ f; t, s! p" e- C - printf("Invalid stbid\n");
6 F$ u2 W% c4 s; G4 g: K3 S; ?2 I - return 1;" ^, p, Z# x: X9 Z$ Q3 M1 }
- }9 z4 G: u" e8 A
- printf("\nNew parameters: \n");% e0 s8 ^" Z3 ]" \- S$ j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: W- S( K/ z" F* ~' y - printf(" STBID: %s\n", stbid);
5 E2 e" V. J& P5 Z. p% b: G2 L+ w. `. N - - b8 b. B/ T/ V0 ~: n b% F" c
- printf("\nDo you want to change paramemters? (y/N) ");
2 e; z5 x8 ^$ U: G - for (;;) {0 e G( g5 S2 \1 }3 _
- c = getchar();; z( J- s1 D" h( j6 ?# D' E6 s
- if (c == 'y' || c == 'Y')
$ g3 _" D% b. u# D6 [5 g& C- H - break;
* U; F* F8 e, I: k; E7 P - if (c == 'n' || c == 'N') {
$ ?, c1 U w3 l% Y D7 F - printf("\nAborted.\n");4 F, G% p8 j- _, z/ u s
- return 1;
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- }! M# O: f" l: j6 W+ T4 i4 L
- if (writeparam(mac, stbid) == 0)
( n$ _5 ]& [* _3 M' X4 M; ] - printf("Parameters changed.\n");
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6 ^0 I+ j& L1 ^; u( B1 y- return 0; H! U0 B0 t9 e. b8 K2 l/ [9 |3 t$ h
- }
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