本帖最后由 0522 于 2012-3-21 23:04 编辑 . U8 x- O! j# Q! s- l
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修改的代码早有了。到今天不会编译。5 H+ `+ o4 h. K3 i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ ^5 [8 @. G" g/ k
- #include <malloc.h>4 W' e9 b+ `, b6 n# j% b
- #include <sys/types.h>" c( k; u4 v$ l( J
- #include <sys/stat.h>
, E/ C9 b7 {. Z5 F - #include <sys/ioctl.h>' n$ r- L# {9 r- [
- #include <stdio.h>) a3 N- z$ Y* d& ]/ l
- #include <string.h>
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9 O6 I# ]6 Z- a- \! W- typedef struct {' R: L0 ~/ N2 ?3 P/ ^
- unsigned int e2prom_cmd_sub_addr;. O, F7 b) {% }/ x* p
- unsigned int sub_addr_count;9 j# U( w, e: l- P4 E
- unsigned char* e2prom_cmd_data;
! i0 @* G1 B7 w# M, \ - unsigned int data_count;! q7 p& X% |1 d
- } e2prom_s_cmd;
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3 ]0 P. c" z0 I; w- #define E2PROM_CMD_READ 1
4 M1 k. L) |2 o4 O' m& Q/ N9 P - #define E2PROM_CMD_WRITE 29 @4 t' J" I! [" t# G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") n' [- T# H& x/ Y& f0 [7 b. e+ f
- ( f+ U2 z/ N4 ~3 _% F5 a
- static int readparam(unsigned char *mac, unsigned char *stbid)" ~7 D1 i+ U: f7 N
- {
! I5 y l& a' [4 B' Z7 R3 Q - int fd, ret;5 S: V% l, e' U1 N: R( A, K1 [
- e2prom_s_cmd arg;
" M6 O* A Q+ ? P, z8 F m - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);$ Y$ \& l$ w" {5 U; ?( T
- if (fd < 0) {. v( Y' J& v$ J: P
- printf("Device %s open error.\n", E2PROM_DEVICE); d8 d K/ W6 [$ L
- return -1;
0 R' U1 s9 F% a4 H - }
! E* i6 n! B% i - arg.sub_addr_count = 2; k" i4 D' t; [. N
- arg.data_count = 0x18;9 G5 [( c0 [* y* i4 a4 C; E$ v" {9 X
- arg.e2prom_cmd_sub_addr = 0x290;" E. d2 ^$ q4 ~6 J/ }
- arg.e2prom_cmd_data = buf;1 c% W! T+ Y+ Q7 k: U
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ L0 y' D4 y Q; r - if (ret != 0) {
3 Z5 M! P" u: U' T - printf("Device %s read error.\n", E2PROM_DEVICE);$ A5 l8 W* ]! r9 b8 L) D
- return -1; g! e9 \! G2 J% z. |0 W
- }' F& B) A7 z. z7 G' L: s( Q+ K
- memcpy(mac, buf, 6);
( ]; T. Z/ Q( Z1 b( u - memcpy(stbid, &buf[6], 18);
3 v# K/ Q# q& Z, z - stbid[18] = '\0';
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1 C8 n2 c2 O3 F# R- Z' t- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)( A9 R& L4 Z, M* e
- {
) O, M" @+ j3 J5 ^ - int fd, ret;; U0 c# ~+ Z2 d7 K k
- e2prom_s_cmd arg;) u0 Y8 K5 x* e
- unsigned char buf[0x18];& T1 f `% b1 u& Y" s7 R
. i# ?3 {9 j% ]/ _9 L- memcpy(buf, mac, 6);5 i/ K4 Z1 g) ] q
- memcpy(&buf[6], stbid, 18);4 r; o" w- U2 m: q2 }+ u
- fd = open(E2PROM_DEVICE, O_RDWR);/ x0 p7 l- I2 @7 a+ ?
- if (fd < 0) {1 d! K0 e0 J1 B4 Y+ O) M5 D6 o, N) L! ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
# p! S" u, g) j" X) l6 r - return -1;
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- arg.sub_addr_count = 2;
/ J) c- P6 _! Q( v9 T: z1 A - arg.data_count = 0x18;, Z- S+ j$ i/ f5 b
- arg.e2prom_cmd_sub_addr = 0x290;
/ N4 u4 A! b! w - arg.e2prom_cmd_data = buf;1 d' R" ~8 C; [+ Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 x( w9 G. u" ] Z) Q - if (ret != 0) {
9 X- r" M1 n" l4 O( m - printf("Device %s write error.\n", E2PROM_DEVICE);; _- t- V, ?# P3 O
- return -1;9 j; Y+ N2 M/ g( v" ?- z) [# n
- }
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$ b3 E, Z/ X7 n( p' @- return 0;6 z! U% j! K* S1 r6 `) p
- }
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* w- p! A9 t% r3 E; j- int main()
/ P9 c, [6 R D) I1 M+ \* l - {* e2 d! ^5 {7 F$ D
- char c;2 y( L+ T% G# N$ k8 I) H
- int i, macs[6];
7 `4 P7 ]- A6 \% ?! {& y9 I - unsigned char mac[6];
1 m8 K. u0 S7 O0 K - unsigned char stbid[256];3 C G5 W2 j5 h* Z( l, u
p9 ~$ V% b ?' `- a- q- j- if (readparam(mac, stbid) < 0)
8 _5 B, c) C4 v" F( M- n7 X - return 1;: O" a5 x8 G3 H' _" Y
& q5 V# P2 c( N- W2 L r- Y1 A; G- N. F- printf("Current parameters: \n");; a4 E+ F1 z( L( B- ?5 e
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! Y$ Q# R! `& k) k* r; i1 e - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% d- c H. W1 n0 M3 z+ E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( S( a( I$ i" h+ O0 D1 d# o - printf("Input MAC error\n");# [ g% g! \+ U3 _& i: m
- return 1;! J; G# k: ?$ _2 G$ c: C" E
- }
5 C7 e- \- u+ \- x& M$ d3 s% T - for (i=0; i<6; i++)mac[i] = macs[i];
0 @+ L0 _. G5 M; N - printf("\nPlease input new STBID: ");4 J @; b4 P m6 J# J; E
- scanf("%s", stbid);& |8 n# y. n \! l
- if (strlen(stbid) != 18) {
4 \" L8 Q. k4 m; ~ - printf("Invalid stbid\n");; {. P! ]! ?; _% B u
- return 1;
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- printf("\nNew parameters: \n");. g6 d+ h: l- O, H4 j+ E. P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! D* h$ F& }4 D/ F4 I9 \) ?
- printf(" STBID: %s\n", stbid);# Q. a- D4 U1 v' C+ D, }2 H
- # _- n7 b0 Q J; ]$ Z. u0 ^
- printf("\nDo you want to change paramemters? (y/N) ");
' b! p& T; U' j# L/ ?) A - for (;;) {$ |, m* J$ j2 |2 Y& n
- c = getchar();
2 X$ j3 {; @( ~6 u% K2 J. O2 H0 E+ X - if (c == 'y' || c == 'Y')
% C" e; z( c# M6 n - break;$ I o" l: J6 T6 U8 w
- if (c == 'n' || c == 'N') {
! |! v8 {( M1 M/ Q6 o - printf("\nAborted.\n");3 l P- r( @5 a, V6 W
- return 1;- A. _5 j. I8 [1 \- ^% G
- }
! I' c1 H7 j( }5 B - }
/ [- u$ i# j" o& o( P - if (writeparam(mac, stbid) == 0) 1 q0 G* }1 M K: f! D6 G+ g
- printf("Parameters changed.\n");
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- return 0;" Z1 F% V J( e! c1 v6 O, m. _
- }
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