本帖最后由 0522 于 2012-3-21 23:04 编辑 ! j& k% g/ R. U5 c2 r$ \" e$ b
I/ n1 _9 a6 R8 `& H& Z1 q修改的代码早有了。到今天不会编译。
( b8 e2 V9 M4 _# G% O需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- s( j1 o. C2 T: j. h( w4 C" v
- #include <malloc.h>
& d( T, D' b9 k G; A. x. {2 h - #include <sys/types.h>
7 ^: e9 B+ R1 y r) c; M - #include <sys/stat.h>
7 ]* ^" r5 C5 j - #include <sys/ioctl.h>1 n. h4 d# P O0 y* W
- #include <stdio.h>
" W" m6 I2 g, A, T# E# {4 G - #include <string.h>
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- typedef struct {, x6 K, I, A3 f! @: @
- unsigned int e2prom_cmd_sub_addr;6 _ @( p7 g$ v W4 d8 c
- unsigned int sub_addr_count;
$ A+ X9 i4 n v- J - unsigned char* e2prom_cmd_data;
+ g! w' ^& y" N p4 Y! b. c+ H& g - unsigned int data_count;
6 T8 g8 X: }( I+ Q( U5 t# y3 v - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1 ^4 \$ q. t1 R: a% n2 k/ l
- #define E2PROM_CMD_WRITE 2) Y' q% j8 C2 R2 q, }) {! {
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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+ Z( K" k5 b( i- static int readparam(unsigned char *mac, unsigned char *stbid)+ a* `! \, L) Z$ t2 P
- {$ o. N$ D2 _. K
- int fd, ret;
. |! J, i: P i - e2prom_s_cmd arg;
8 T8 G! |2 Z9 R) f/ P - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);& F# |8 ?2 y( E, S- z; _+ U
- if (fd < 0) {
3 U; @/ X+ f( }/ ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
, Z/ p: m' ?7 u - return -1;
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- arg.sub_addr_count = 2;/ S1 c" U3 c& u
- arg.data_count = 0x18;
) u$ v) K" |, m1 k& Q - arg.e2prom_cmd_sub_addr = 0x290;$ e% p# C1 |: M3 c( [; O b/ q
- arg.e2prom_cmd_data = buf;
# u4 h( j* Y% h5 r - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 a& X; c' _4 h3 x" b
- if (ret != 0) {
& L! a! |( D# }: H - printf("Device %s read error.\n", E2PROM_DEVICE);
9 ]; f0 A j% a. e - return -1;
j, P1 p7 |; m" D6 S* `9 A& r - }
1 q& d9 S* i( m; c! ~/ ^5 V - memcpy(mac, buf, 6);, V2 |; v/ v/ f( ]! H8 Z
- memcpy(stbid, &buf[6], 18);3 I8 r1 u3 w# y( y# L3 p/ N
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 D9 J. }$ m/ |& q( z( M; Q7 E - {
' y1 t8 h6 [1 S' F# o/ Q - int fd, ret;
, c$ b1 B& [7 |" J7 B4 `. t - e2prom_s_cmd arg;
m/ x$ n4 m. [4 {# M5 T/ \, p4 g' ? - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);, I0 T x* H" g) b
- memcpy(&buf[6], stbid, 18);2 f% x; o. p2 c" }) W5 i& k5 r' f
- fd = open(E2PROM_DEVICE, O_RDWR);( p' ]+ p9 V" O
- if (fd < 0) {
6 v) R: ]: p& r& O/ b6 A1 q" A1 {( B - printf("Device %s open error.\n", E2PROM_DEVICE);
. B( h/ n2 d$ c% T- u4 }6 n - return -1;
7 `& `3 l9 p0 U+ e; ?- e - }. S) u: t$ y0 u, Q0 S1 u& J3 F y9 {
- arg.sub_addr_count = 2;
8 `' n0 R0 F2 P - arg.data_count = 0x18;
4 j1 |$ z! c. A9 ~3 E/ q0 j - arg.e2prom_cmd_sub_addr = 0x290;# k, M4 l0 c: g0 f% u* n
- arg.e2prom_cmd_data = buf;/ \- x# _3 O2 E, ], W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! f% m/ k9 B7 v: T& ~
- if (ret != 0) {* y+ q" f; n4 D; v( J: M
- printf("Device %s write error.\n", E2PROM_DEVICE);
/ o" j* O* K+ y7 } - return -1;
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- 2 Z7 s) C# _( H0 j/ B
- return 0;% e7 Z: {5 p5 v. G% e3 E2 t
- }
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+ U. a1 c8 w! F2 z! B- int main()
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- char c;
; E7 |8 t7 w. N - int i, macs[6];& g8 t' q" G1 G& K) V- {& [3 l! f6 _
- unsigned char mac[6];9 R. T2 E& P& E1 f( h9 z
- unsigned char stbid[256];. `" e1 x) l C& H b9 h+ }
0 y+ R3 ^" c6 W4 O9 [( {- |$ Q# d, f- if (readparam(mac, stbid) < 0)
! H: ~( d) Y/ S - return 1;
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' N* x7 r2 i# i8 C6 S/ h- printf("Current parameters: \n");
& x Z- o/ U5 n5 W3 O4 {. H& D2 A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 l& h3 D5 O; i/ H - printf(" STBID: %s\n", stbid);8 J, O0 @$ _% ` d- |
- : R, W% h# j1 }- e0 f: U. ^! g
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, K+ ?1 G+ h1 |% u* ?' i - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; `7 s8 ~" {# b9 j
- printf("Input MAC error\n");- P3 i# _- |5 ^
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];4 ?6 @9 D5 H: D
- printf("\nPlease input new STBID: "); _" a: \0 f( G$ \8 ^5 J
- scanf("%s", stbid);
6 Q+ }) ~7 S- B& w5 U" N: A8 K - if (strlen(stbid) != 18) {
- z: i) B( n+ D2 X, Y/ ^ - printf("Invalid stbid\n");5 f- ?" K: u1 |* j$ [7 Z7 N t
- return 1;; l6 @0 |* w) g" Z7 v
- }
+ `% l1 Q/ z8 t4 S5 n9 I - printf("\nNew parameters: \n");3 z) t7 G9 n6 ~9 o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. e% Y+ h6 J* g
- printf(" STBID: %s\n", stbid);
& p, h0 Z6 {& e - ; H3 D$ G+ \, O% C8 I, D: X* R
- printf("\nDo you want to change paramemters? (y/N) ");3 u& u, s! W* }& L* o9 e# O ~
- for (;;) {$ q$ R0 U6 s$ {0 Z( t: P0 n; n
- c = getchar();
* t3 S& S$ t7 v, ] - if (c == 'y' || c == 'Y')
b1 `; w2 F( R5 @ ^9 D9 W1 B - break;
8 U8 S: C* g6 B3 Z! {' _ - if (c == 'n' || c == 'N') {* e3 z( X w4 I0 h& z
- printf("\nAborted.\n");( ~3 Q/ Q9 s7 Y& M7 N
- return 1;
6 K' O+ c# T% F g - }
+ o' h7 g- h4 d* b* _ - }. j, @6 f( t9 u, h8 [ t
- if (writeparam(mac, stbid) == 0) # d# i1 C8 n6 F4 v5 L$ y
- printf("Parameters changed.\n");2 F2 V3 w6 A" s4 z0 R
- % y; c. L7 G' [$ q5 A! T6 z
- return 0;
: G9 s- z: Y" i3 `. k7 v - }
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