本帖最后由 0522 于 2012-3-21 23:04 编辑 " B: ]. d& v# Z; W
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修改的代码早有了。到今天不会编译。5 z/ e1 D$ w# w
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 w& ?$ L9 y7 W8 e4 A6 p/ A
- #include <malloc.h>+ {3 G l* K! v& T* O% }: d
- #include <sys/types.h>
( H. L) Y* c' P# }. t - #include <sys/stat.h>
: @7 @! b: U0 F$ m8 @$ b% l - #include <sys/ioctl.h>0 n: ?! M. r: r) M+ S* `
- #include <stdio.h>, x8 [2 r3 x+ S
- #include <string.h>: J7 ]' V' X& S6 j) S! t
7 V7 F/ M& n' u; J+ Y- typedef struct {
$ d \. R Y, G7 C! o - unsigned int e2prom_cmd_sub_addr;
. m+ ?5 M4 q2 D3 s. l- q - unsigned int sub_addr_count;
! L0 H' A5 P3 B& O - unsigned char* e2prom_cmd_data;7 s, Y) g9 H1 P! S
- unsigned int data_count;( T; Y0 g5 D7 R5 L) j) L Z
- } e2prom_s_cmd;, h' m& @- F- b8 j
- D% _2 }7 i8 [4 M6 a% R
- #define E2PROM_CMD_READ 1, \# O2 P& l7 _$ T! g4 w3 V% l
- #define E2PROM_CMD_WRITE 2
$ L4 ?0 k( d5 G% M9 E" d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid) Q7 g: h+ t& I K) k
- {
: \$ m9 t2 ?5 ]4 V0 ~: t! k/ b - int fd, ret;6 q# {. J4 T$ i% @, }+ @) l/ Q
- e2prom_s_cmd arg;
& l- e; \4 z0 ]/ m, e - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
! V* i* W9 i/ b- r4 l - if (fd < 0) {' I/ N9 T# E9 u0 t1 P# c
- printf("Device %s open error.\n", E2PROM_DEVICE);. |9 b/ H( s2 W8 S% G
- return -1;. H- J- g; g; `
- }- z7 Z5 H4 k0 [4 O
- arg.sub_addr_count = 2;6 K5 a2 }0 }* ]% i# ~5 X+ _
- arg.data_count = 0x18;" J2 {9 U3 d' I5 q4 a
- arg.e2prom_cmd_sub_addr = 0x290;
8 Y6 s. b ?) S - arg.e2prom_cmd_data = buf;
) j- D4 Y! d/ ^' E; j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ g G2 t' i2 I/ f! M8 C( ?, _5 `; U - if (ret != 0) {
* b2 ~+ h/ X3 }* q6 e - printf("Device %s read error.\n", E2PROM_DEVICE);
2 C; Q. X( ?8 p+ E - return -1;
! }. j5 Y* c8 I6 t - }
7 Z7 }% f x( s7 w) M* Z; `+ ~" O - memcpy(mac, buf, 6);
+ `( q0 F* f( E2 O! X8 u0 K% C6 d - memcpy(stbid, &buf[6], 18);" V- |- n3 i$ h" S$ i. j& @
- stbid[18] = '\0';
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- return 0;
1 j/ M1 d" Q% C3 x0 c0 | - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)' b7 p9 |. a( H( N5 m9 ?; H2 A
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- int fd, ret;$ \6 z$ |2 I: e0 l
- e2prom_s_cmd arg;
S" G7 {, a8 V; z/ z, C - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
6 J8 j6 @7 B* A7 b0 H - memcpy(&buf[6], stbid, 18);$ S/ m: r2 W$ t
- fd = open(E2PROM_DEVICE, O_RDWR);
+ U$ j' U* F7 b. X# L. q" a5 E9 X' q - if (fd < 0) {
I! B8 v; P8 V1 B; O$ w - printf("Device %s open error.\n", E2PROM_DEVICE);- t: _, V( g6 W" A1 y2 a* w; w
- return -1;
2 i, c- _' h4 h2 g& y/ b - }
% O& ^ J: Y2 S7 Q! K B) Z* x0 T1 { - arg.sub_addr_count = 2;. w0 J& L- \ K @( W9 d. M
- arg.data_count = 0x18;
! v, T" c/ e; v& w) e! e - arg.e2prom_cmd_sub_addr = 0x290;9 B% R6 r5 h" W4 |
- arg.e2prom_cmd_data = buf;
/ Y! |9 f) }1 H7 H - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 e2 ]* Y( k5 D' ~; w" z3 D- P j - if (ret != 0) {; V" O/ _+ \" g1 {* R. n [
- printf("Device %s write error.\n", E2PROM_DEVICE);: }( a7 w5 }7 g2 t2 R. t5 H
- return -1;
! m9 O5 P. n; E5 J - }
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+ _" U% p- A& R# Q- return 0;$ |/ k! ?$ Y/ B( t* k6 c" Y5 J
- }
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- int main()2 B8 V9 o3 C6 \+ V1 Q* w
- {( G5 R N' K- C0 i
- char c;
% Q$ P: m L5 U - int i, macs[6];2 ~. b8 {, U6 `
- unsigned char mac[6];) k) K1 Q) B# x
- unsigned char stbid[256];
$ a) ]+ O/ F _7 ^$ }
$ f/ D" @9 v5 ?$ c& [% P- if (readparam(mac, stbid) < 0)
# D& n: V. F2 ?5 v - return 1;* v+ N( @1 |8 H# i0 p
1 `. ^% a8 x. E- printf("Current parameters: \n");: m7 [% N% K0 L5 Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 \( E6 ~$ ~0 s! g5 Z: `$ V" C4 \. A1 Z
- printf(" STBID: %s\n", stbid);
) I, I2 M0 t9 k" a -
{2 M1 S* d5 x! e - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, N" V1 E5 t/ \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! \( B4 J0 |# x, y* E6 C
- printf("Input MAC error\n");
J5 R7 f3 h1 t( I+ d, T - return 1;# Q, I1 F6 m& I
- }
# t- u* B* G" U - for (i=0; i<6; i++)mac[i] = macs[i];
! @6 V3 C7 e, U, P: E1 ~# _ - printf("\nPlease input new STBID: ");
# `! @2 r5 ]5 }6 O - scanf("%s", stbid);7 L* W B) R2 P" X
- if (strlen(stbid) != 18) {
6 T# s8 X/ s" Z - printf("Invalid stbid\n");, {8 m5 N7 q: O2 f' t1 |
- return 1;
8 ^5 h4 `% {: k( k - }
/ ?7 k* e6 e0 `+ k! O( Z - printf("\nNew parameters: \n");
9 C# m+ d$ h, I. b1 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 m5 D: t& ]0 Z5 V# z" p+ x
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");5 Y- b" r* T( E8 A, K
- for (;;) {+ R, X' z u4 L4 Z1 V) l/ b9 t
- c = getchar();
; O3 h8 a3 _, p/ P - if (c == 'y' || c == 'Y')
/ h# h$ q! k' D - break;
- ^0 Z7 o+ y3 C5 ]6 B - if (c == 'n' || c == 'N') {
! h- l3 q, C( O - printf("\nAborted.\n");0 [; g; J* y* x, n& t. s
- return 1;
" |9 w3 x4 P4 T# g - }
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- if (writeparam(mac, stbid) == 0) + L1 `& }: P1 I4 \' r' {' u
- printf("Parameters changed.\n");) v* G$ r+ j: S7 w" I( i: H8 I
# p) u6 O* V1 E6 A2 K: p- return 0;
5 g* c, F9 X% Z# d3 Y5 X - }
复制代码 |