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。
( q) |* B1 e8 f; o- X0 b; F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ d# u3 V8 r0 p* D+ H: ~( F( F
- #include <malloc.h>; c: j+ v6 m8 L9 D
- #include <sys/types.h>6 X9 ]: k1 t$ Q
- #include <sys/stat.h>
+ p0 m( c: C# ^( L$ O3 C6 [9 [* H - #include <sys/ioctl.h>
8 i; M( M7 U4 C - #include <stdio.h>
k, i; |9 Z5 X - #include <string.h>
8 B! {% ~6 Y2 {% f9 N, e2 f - 2 D3 l2 l" f1 v. M- }
- typedef struct {
; C, i' n6 V( e. M2 D0 ~: Y- Y - unsigned int e2prom_cmd_sub_addr;; E* ]% N0 I& I* B6 k3 {+ X# R* H
- unsigned int sub_addr_count;6 u" P0 t1 ^3 `; x3 M# I1 n" ?
- unsigned char* e2prom_cmd_data;
; v. T" D' m4 w" b - unsigned int data_count;' f4 b5 r+ ~# `' G
- } e2prom_s_cmd;
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6 w/ u3 V2 a6 {5 \" m3 c1 r- #define E2PROM_CMD_READ 1
. o8 m8 l7 J5 `# t) K8 l ] - #define E2PROM_CMD_WRITE 2 C' m$ [: T! H9 n/ m
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' N5 e+ H3 I$ }) r. O
* r8 d! z. j/ u- L: l- static int readparam(unsigned char *mac, unsigned char *stbid)
0 |9 Y' C4 T+ ~& }! I& A - {
* T n' r. z1 ?2 o' y - int fd, ret;
3 _9 K( o+ j3 B0 _ - e2prom_s_cmd arg;0 M1 z. Q3 A6 M e8 E7 S& z" W1 t
- unsigned char buf[0x18];0 O9 N% R7 J. A
- ! Y( z8 [6 q3 z
- fd = open(E2PROM_DEVICE, O_RDWR);
1 S% F8 a( T* c! p6 C5 C1 S8 E K - if (fd < 0) {
7 J! h7 J7 v- B8 O1 q) g - printf("Device %s open error.\n", E2PROM_DEVICE);- L3 a: S& ^% f" }& _; P a* n
- return -1;3 B, U- f9 D6 M3 m. D; f
- }9 Z; q; m4 m( {5 x ]5 C
- arg.sub_addr_count = 2;1 M+ n7 V" S" G/ C
- arg.data_count = 0x18;
! E7 ^8 Y) U8 k1 C* a - arg.e2prom_cmd_sub_addr = 0x290;
# j: ?' A5 E- e' h - arg.e2prom_cmd_data = buf;, n8 ~. D6 A! n
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- Q5 z1 C" [& K7 Q, l8 H& F - if (ret != 0) {4 X) h7 m4 G7 F7 j; }, n. s
- printf("Device %s read error.\n", E2PROM_DEVICE);
[5 y q7 L5 ~2 Y; V - return -1;
& s+ s6 u: h# Y% W4 a7 y$ l( d - }
) H! U& y: _0 B. a/ ~6 d - memcpy(mac, buf, 6);
* n! @$ q% W% `9 I% e7 x7 e, e, s+ A - memcpy(stbid, &buf[6], 18);
0 l: \0 u3 X7 o, ~% {7 h( p& ^ h# O6 t - stbid[18] = '\0';
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- return 0;* X& ], ^. X! ]: D* K/ ?2 z& n0 x
- }' i4 [; o) [3 N% @
/ U( H# y. {8 I* h* Q* r. @( u, R- static int writeparam(unsigned char *mac, unsigned char *stbid)- ~# y( i/ @& n7 g! N
- {
; q0 R2 F' f9 m# _ - int fd, ret;
5 m+ v$ F X* h5 W- Z! R - e2prom_s_cmd arg;
$ Z3 |: ]3 p. h. _. E% f+ g - unsigned char buf[0x18];' L8 ? A! G- L& E' N# Q& L
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- memcpy(buf, mac, 6);
, D; \' E1 D% g, ]2 D. w7 W, D - memcpy(&buf[6], stbid, 18);
& h. T) O4 t! C( Q N - fd = open(E2PROM_DEVICE, O_RDWR);0 y+ z) C8 {* {
- if (fd < 0) {
! k$ s; ?3 R4 g4 H) q( O, V; `' d - printf("Device %s open error.\n", E2PROM_DEVICE);6 L- U4 a$ k5 |! K* i/ H
- return -1;" M5 Z" Z! a% [$ N7 ?/ [/ f8 E& |
- }
' {. A' ~8 P& i5 v8 u8 Q" @5 G - arg.sub_addr_count = 2;
! z( i: r* L) v, S! ]# N - arg.data_count = 0x18;
/ A/ S: @" N" E8 j. J9 n - arg.e2prom_cmd_sub_addr = 0x290;& I# T$ u( j- N6 j7 M% D l' U: s
- arg.e2prom_cmd_data = buf;
( R$ v) ?* F$ b. W3 a+ i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 M: S- l6 R. c6 z b; F/ ~
- if (ret != 0) {
8 i7 S8 d/ E( L) v2 X u - printf("Device %s write error.\n", E2PROM_DEVICE);
0 R( f1 V. B! `2 l$ k - return -1;
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- : a: S9 }% z& I& O. v
- return 0;
, l- ?4 u0 t( k2 b7 k - }
. M7 f/ g. Q1 @7 O - ; N$ D$ c, v, |8 C2 l* R0 \
- int main()
1 O1 w. s. G9 D: [! G4 s% l - {
" |) {0 P# K- `6 T1 e: ]# E - char c;& @6 l1 H) d* e2 S# P) L& d
- int i, macs[6];
" ?5 g# f- {; R- J9 \% M+ ~# w. H - unsigned char mac[6];
- g+ p7 h- R" T# |+ M; G - unsigned char stbid[256];
' W& s Y M" w( I. U - " ^: @2 L) o% Z {3 D& z: D
- if (readparam(mac, stbid) < 0)
. ]$ j5 H' i& S2 K }5 o - return 1;# x% @/ F3 Y! N
- + J$ Z, Z& p) ? Q3 _ \$ ^8 j3 F
- printf("Current parameters: \n");; d9 v2 A" b5 \3 X9 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 x1 c$ Y9 m4 X! g( p1 `6 f4 F - printf(" STBID: %s\n", stbid);
' {# C( d* \6 R2 \! N -
- o2 {5 |$ X9 Y! i# m2 B - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) {- N7 H F9 q" ^ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" F6 P& ]6 F0 N- s
- printf("Input MAC error\n");
4 y+ S. q6 x6 b0 T - return 1;
) q r( G8 t1 \; ]) B7 l4 q5 a - }
& C9 E# Y- x8 V' Z - for (i=0; i<6; i++)mac[i] = macs[i];
8 O& f1 G/ E: ]. n5 H8 P - printf("\nPlease input new STBID: ");
1 v; A4 o% Q1 M/ A `1 |2 k - scanf("%s", stbid);7 E8 J! w( J O6 @; h( h6 N
- if (strlen(stbid) != 18) { l2 Q2 F# H! c* N- ~
- printf("Invalid stbid\n");3 X2 H7 q* M, v/ M5 M/ D
- return 1;3 |& w/ E: \2 c6 g! z+ f0 i' @2 W
- }
" b* I4 t* V0 N: }6 x( j' e* o - printf("\nNew parameters: \n");
1 V, N9 E6 n, a9 K$ v/ b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- R- s7 l- ?3 l8 \8 X, t - printf(" STBID: %s\n", stbid);% G# v! y/ U. o5 @; ?
/ V8 Q% j% r+ Z: V8 q3 G0 l- printf("\nDo you want to change paramemters? (y/N) ");
3 a: ?% m) g# ^/ a% C9 R - for (;;) {
) D8 X! @3 s% V5 N4 k9 k3 o: W' K - c = getchar();
& I' x% Z. J1 u8 @& m W - if (c == 'y' || c == 'Y')
. E$ j0 Y# [. w - break;+ z' v4 d9 h; G
- if (c == 'n' || c == 'N') {
, o6 Z3 J& |- [: V - printf("\nAborted.\n");
5 @5 h- s& Q0 I3 ` - return 1;# ~, o( t* t5 }# p- B& C- Z
- }& U1 E' J7 D# q7 W( S
- }
8 h) ~% q6 n. J; t7 ?, E - if (writeparam(mac, stbid) == 0) 4 ^9 {& h- ?* ]4 T G
- printf("Parameters changed.\n");4 |- F0 h W) ~/ Q# ^2 q) r
) ~5 z, u4 f/ B ~. B' V* ]+ z: A6 o- return 0;
% _$ y r' N, G0 W4 V# H' L - }
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