本帖最后由 0522 于 2012-3-21 23:04 编辑 $ W+ h, t" Q9 D5 U$ h) F5 i# }) N
' F! o, }& A8 c2 g) v7 c7 J( Y修改的代码早有了。到今天不会编译。# ^" G2 G8 p/ B n4 w/ C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> ]) u$ Z' S& l' Q! W# j
- #include <malloc.h>( ?5 R3 P" C, W L' c: P. G
- #include <sys/types.h>
1 v% [* ~* E* u4 T! W - #include <sys/stat.h>
3 I% w) t7 {' z4 f. {( A - #include <sys/ioctl.h>
7 p' {9 D7 K! A9 X - #include <stdio.h>
+ t$ p9 S" V! g& n! K4 U; F/ ^ - #include <string.h>/ t2 V: q% v6 e, C3 R( x( E
* d/ |+ c- u7 m T4 M8 M, _- typedef struct {# E J9 m& l4 X/ r
- unsigned int e2prom_cmd_sub_addr;
. t1 ? x1 j- Q) m - unsigned int sub_addr_count;: s" ]5 E$ s& |5 w, _6 j7 ^- T4 {
- unsigned char* e2prom_cmd_data;
, [" i ^/ U- d o- T8 e$ R, d1 ^ m- [ - unsigned int data_count;% |8 p* n; s' p* x3 q3 u8 O. f& F
- } e2prom_s_cmd;3 R8 Z& H3 ?. _+ U3 s
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- #define E2PROM_CMD_READ 1
. M( R$ f9 D7 x6 {5 ] - #define E2PROM_CMD_WRITE 2: e' J8 W8 Q$ |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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( e7 q S' J7 }+ u! {' ]3 ?( N- static int readparam(unsigned char *mac, unsigned char *stbid) |2 Q0 U3 k" X+ y A/ i+ ~! C
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- int fd, ret;. V6 J9 {; y5 }0 y
- e2prom_s_cmd arg;
8 |: I2 H# e% f; ]3 j0 P - unsigned char buf[0x18];2 J: C! ]0 ?) ?( q) R
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- fd = open(E2PROM_DEVICE, O_RDWR);
% N+ |. `( |% ~8 j9 x7 o) b - if (fd < 0) {
+ [) y# B. f+ K- I( b% U/ x/ x4 P - printf("Device %s open error.\n", E2PROM_DEVICE);
& x6 X0 h `8 T4 o" D - return -1;" p: T, l3 i4 X+ n& [. g
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- arg.sub_addr_count = 2;
; u. N7 F+ u ~2 r% t2 ^; N - arg.data_count = 0x18;& j/ K7 x0 s( l2 ^7 n( T" C0 B) _
- arg.e2prom_cmd_sub_addr = 0x290;4 o- e! e) C, O" C) P& v2 k
- arg.e2prom_cmd_data = buf;9 @# {' I% M0 F
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 G5 d0 G4 ^0 i9 a: e9 q( h - if (ret != 0) {4 Q1 |( a( k5 _( e4 F
- printf("Device %s read error.\n", E2PROM_DEVICE);
6 X! b/ T# Z. e0 ~ - return -1;2 k) b& |) z3 l$ [$ {
- }
* L% p! E# J/ {+ S' k% N. v - memcpy(mac, buf, 6);$ E; @; b4 H2 c4 P
- memcpy(stbid, &buf[6], 18);
1 f7 F9 q( ^8 H$ C0 Q* S - stbid[18] = '\0';8 d3 N- O5 ?8 a1 b9 W3 Q; ?
- 5 p2 I& g* |& u. ?% C+ ]. K9 i# D
- return 0;- D( d: s$ Z2 W/ j# f
- }
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% q# ~# N( P, f' o# x+ G- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
6 ]" H: ]9 ]6 h* a - e2prom_s_cmd arg;4 n% c8 M7 O4 ?* q) p% w" @. E: v) W, b
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);8 I! t% g* E( j8 G6 ^) \' `
- memcpy(&buf[6], stbid, 18);3 s; x! J9 a3 T% I6 x
- fd = open(E2PROM_DEVICE, O_RDWR);( v8 D. p( j. X- _% R
- if (fd < 0) {/ @# Y0 J5 t6 ^2 r8 s
- printf("Device %s open error.\n", E2PROM_DEVICE);! ^& V1 K e4 N$ H! z1 `# k7 i
- return -1;
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- arg.sub_addr_count = 2;) N% W9 h6 k% N: u' Y
- arg.data_count = 0x18;
, @2 e8 H/ z5 M# F, D3 P( H, g+ ] - arg.e2prom_cmd_sub_addr = 0x290; Z" y* h+ f& t% O( _; n5 v h
- arg.e2prom_cmd_data = buf;6 h Z% U7 f# \7 b1 k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( H# X" D$ O' ~! b - if (ret != 0) {2 @: l1 @% z- F6 x; g7 X F
- printf("Device %s write error.\n", E2PROM_DEVICE);! r7 m( `8 w* U/ ^3 X6 Z. h; m
- return -1;
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; H! b# d$ N j0 f6 M7 }; N- return 0;6 C: e @+ |' q
- }
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- int main()
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- char c;
. t8 w$ n9 {! ^ - int i, macs[6];1 u% J, ^2 a' i; c
- unsigned char mac[6];
# U+ u, K( m3 H$ k - unsigned char stbid[256];# P! i& a) Q: d9 b
m6 L6 S5 ^5 L6 y& }2 ]5 J- if (readparam(mac, stbid) < 0)
/ x* I# S6 O2 z4 @7 L4 k0 a - return 1;1 d9 q, u L0 l$ C* m% m
, B/ p3 U, G" R G5 A- printf("Current parameters: \n");
0 m% z, k0 L9 Q( p+ P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ D" l5 j5 T& o3 R6 P! L; T
- printf(" STBID: %s\n", stbid);+ S3 C0 J1 g* M. u: S5 Q
-
n3 Q7 M( i, ~, Z8 m3 j% W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 O4 _+ W" F1 U1 C8 u
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- L" Y" O( w8 D7 D
- printf("Input MAC error\n");
8 d( C( N7 z) R" M1 J - return 1;, V* h$ Z; G% k
- }
8 ~8 r% f, o* A; j0 | - for (i=0; i<6; i++)mac[i] = macs[i];( `" @! k% u5 R4 T f
- printf("\nPlease input new STBID: ");
6 `9 K+ u9 c5 ?3 d - scanf("%s", stbid);+ g2 x& H1 R# K
- if (strlen(stbid) != 18) {
/ r- S% L7 o' k8 Y L; `- ?! x - printf("Invalid stbid\n");+ h9 {3 |3 C* Z/ Y6 h
- return 1;
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- printf("\nNew parameters: \n");5 D4 Y- I) A ~* x% E5 r( k% ]6 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 v& m# e j" a8 [' m - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");/ g# n6 m- ^! `$ o
- for (;;) {
5 s# ]% n. k. R/ \8 T - c = getchar();
+ q/ S J% W1 z% x - if (c == 'y' || c == 'Y')' n* q6 e+ p9 f) E' v6 w
- break;
5 j. Y3 e4 S! \# _7 O4 ]% H' A( m - if (c == 'n' || c == 'N') {8 e; Z: K* Y; K4 I8 q# q0 i% _
- printf("\nAborted.\n");
; \3 \+ Q* s# [- M - return 1;- e4 C9 Q; x/ t2 q: t, o' i
- }: D' K: U* D/ @
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- if (writeparam(mac, stbid) == 0) 2 V, Q; C6 i4 B) R# y
- printf("Parameters changed.\n");
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- return 0;: X, Q1 L1 D, a- s9 i* N
- }
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