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。4 T* y" w8 Y3 V$ ^* f+ s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: r7 ~! Z8 \. r4 W; P+ f; D: ~( L
- #include <malloc.h>
7 E5 p4 u* l Y! i7 y - #include <sys/types.h>& @9 v9 K( l5 X- h6 W0 @' o$ [4 J
- #include <sys/stat.h>
* g8 e! F+ @2 t5 C8 g. {) [ - #include <sys/ioctl.h>, F+ F& u+ Z/ D z+ N1 o! Y
- #include <stdio.h>3 V( A% W" u8 k5 C% n/ A
- #include <string.h>% w0 L; z# `5 ?
- * Z5 P* g A: n. L! }
- typedef struct { N6 W/ t7 A8 r2 [# |5 r# V/ V1 o
- unsigned int e2prom_cmd_sub_addr;
( ?0 U+ J9 u8 @ U3 { - unsigned int sub_addr_count; }7 K9 u( b2 a; U7 b
- unsigned char* e2prom_cmd_data;/ @+ Z- ~. {0 H4 p1 B( \
- unsigned int data_count;$ Y( P. H' K8 @% G
- } e2prom_s_cmd;7 ^! u6 c) n* F8 D! T6 @2 D* R& f
- ' c$ Y2 b3 v- ^
- #define E2PROM_CMD_READ 1
- L2 Z1 J& ^; y% n: e, N/ w# _ - #define E2PROM_CMD_WRITE 2
4 q9 \1 _( s( n) W - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& C! ]' g4 ]% l! s% S, m5 o! J" c
- # L8 O$ Z6 T% x( A1 i0 m9 ?
- static int readparam(unsigned char *mac, unsigned char *stbid)
: \0 W3 |0 S" \. d, _% { - {
' L# w; K- \& s' X! M0 \( H2 @/ E - int fd, ret;( d" ]0 t1 [0 d! d& I
- e2prom_s_cmd arg;
1 w5 y. N, v* f; w - unsigned char buf[0x18];: `& p0 M+ F" ?# C3 e6 ?
- # t+ M' n/ P9 M8 s4 W: G$ c
- fd = open(E2PROM_DEVICE, O_RDWR);
1 H/ s' A) R4 b; D8 F - if (fd < 0) {- U* I( q' x }" l, M5 R; K
- printf("Device %s open error.\n", E2PROM_DEVICE);3 B7 I: e1 g N6 h2 r" Z
- return -1;
0 M7 {4 ]3 c2 H& S6 Q - }
% O0 T2 N. d9 G' r - arg.sub_addr_count = 2;0 G9 ` s- s/ @" F$ j1 O
- arg.data_count = 0x18;6 T9 i- a' b0 u J; b% C% E! {! J- q
- arg.e2prom_cmd_sub_addr = 0x290;
) a! x9 ^/ q9 P2 j) S7 ~ - arg.e2prom_cmd_data = buf;$ i9 K9 Y6 t& y# X* p% Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); \0 W/ R' I7 k) G" V* W. @
- if (ret != 0) {- V7 P% \, O7 g! E( m
- printf("Device %s read error.\n", E2PROM_DEVICE);7 x5 A1 f0 J1 }; Q7 D
- return -1;; b6 o0 c& }: k% q/ r
- }
$ [" ~# |( |- K( o - memcpy(mac, buf, 6); f. t3 D: L X7 G7 T+ K3 g
- memcpy(stbid, &buf[6], 18);
/ n4 ]0 G2 n# H" I - stbid[18] = '\0';6 F+ o+ u( V9 m) M* o9 d
5 _$ u$ [) |' b6 a$ K/ N- return 0;
9 I: C/ Y( A1 o4 K4 j - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
# i3 m- W; s R - {
$ U& S c. u5 l - int fd, ret;
/ J" }, L9 P% ^8 g& L3 e/ E - e2prom_s_cmd arg;
/ b; U; }5 \4 Z w8 o { - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
$ d6 u# g/ ^ m' S6 y6 ]9 `, { - memcpy(&buf[6], stbid, 18);% O3 Z1 R" R5 k4 {1 z
- fd = open(E2PROM_DEVICE, O_RDWR);" W- G7 s4 h/ \3 @7 Z
- if (fd < 0) {
: v# }, c3 L$ w( ]. z - printf("Device %s open error.\n", E2PROM_DEVICE);* E8 r8 s& G! ^# P1 y
- return -1;
. v$ V) u, n. m/ q/ J) T - }
( d) E0 @" }7 q2 Q2 U - arg.sub_addr_count = 2;- e6 S/ T6 f1 I0 m0 w! T4 O
- arg.data_count = 0x18;3 E5 R- w, N9 A$ x3 S& e
- arg.e2prom_cmd_sub_addr = 0x290;* }$ ]. ]! O& Y% E
- arg.e2prom_cmd_data = buf;* u: r/ G7 m0 ^, N r
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( Z+ J* F9 J# P E; P( r1 R - if (ret != 0) {4 Y% v& Q7 v8 ?8 ~0 ?
- printf("Device %s write error.\n", E2PROM_DEVICE);1 P! X& P& n' _- N
- return -1;$ F+ Y* U" c7 w' r3 B
- }
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- return 0;
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! R0 h8 i) I! }6 n0 v- int main()' S6 j( x; X0 g- J! h
- {
% I/ ~; s5 y& H! C2 a - char c;
/ } k: R& }' w - int i, macs[6];/ S( {! I V/ U8 S3 x( [ b- x( E
- unsigned char mac[6];' D- I+ Q7 |. l3 q( B/ p9 k
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)# Z% o. b* Y5 A3 ^9 g6 q0 k
- return 1;
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' U& `/ v8 x+ |8 a' ]4 s& J- printf("Current parameters: \n");
, d: a; ^8 r* Y! ~3 `8 C X1 s. U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 ~1 ]2 T Q. ?! t; T" F - printf(" STBID: %s\n", stbid);
- h, }. T/ U! p2 z -
4 n$ ~4 P- I, E2 _0 @/ H* A - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( e5 T( v+ L5 P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 U* A! x0 F- \# U" t - printf("Input MAC error\n");2 Q/ X2 i2 S( k/ J% T0 U `
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
' a8 D u" |8 p# v; b7 W - printf("\nPlease input new STBID: "); F- y) {$ {- p$ r! `5 f: {
- scanf("%s", stbid);
7 H& k8 \- B3 |: e2 X( g" M+ ~ - if (strlen(stbid) != 18) {
+ ]) B4 E' k; v# X* M6 b6 P! v( t4 I - printf("Invalid stbid\n");/ B- k2 {6 Z9 T/ M
- return 1;( }9 f; g$ g5 Q- d g
- }
2 n2 N# _% [9 _* h8 B' Q0 e - printf("\nNew parameters: \n");
. R: L* v1 t. ~) X! J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# C# X" h! \, s* F; j - printf(" STBID: %s\n", stbid);
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7 J) `6 r) H: c0 o6 c: ^, D- printf("\nDo you want to change paramemters? (y/N) ");8 k, x% r0 B& F! N7 ?
- for (;;) {
6 i7 g4 l# k8 e. p2 A2 B0 u: V - c = getchar();. |7 k( V) s; k) a& ?
- if (c == 'y' || c == 'Y'). x$ M" \+ u# L9 Q4 ?
- break;
w) q+ W/ U1 W: H+ A6 b - if (c == 'n' || c == 'N') {
! R% z+ }; I7 {/ } - printf("\nAborted.\n");
9 N6 L2 S4 W6 K8 W, {+ Y1 E - return 1;
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- }
' Y; j! n& V: p - if (writeparam(mac, stbid) == 0)
8 S E: i5 x+ ^9 T% P8 G - printf("Parameters changed.\n");
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: M o9 u l1 V/ g% o* n- return 0;. W' P4 }% n* j3 ?
- }
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