本帖最后由 0522 于 2012-3-21 23:04 编辑 & X9 C$ {8 `3 `, C @ S$ j
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修改的代码早有了。到今天不会编译。, W1 r# V6 g8 F: a, u8 C' F
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" X; ~/ u3 K9 L+ p - #include <malloc.h>6 c! E- Z1 D2 L% L3 m: s# _
- #include <sys/types.h>
; \2 R) ~5 [8 ~9 P' L# x0 c$ w) i - #include <sys/stat.h>
]( I, X# |" Q! ^; u/ ^+ K - #include <sys/ioctl.h>
+ i. u/ s& Z6 E+ w: i* K( U - #include <stdio.h>2 e' u! A! M' }, x; X
- #include <string.h>
+ p: y( u: h4 y3 a+ q, g. x
/ _, x5 T" Z0 _- v8 r$ \% a- typedef struct {- w* f/ v5 z2 q }4 F
- unsigned int e2prom_cmd_sub_addr;7 G$ g6 ]$ B }4 a) x# @/ C
- unsigned int sub_addr_count;
' b4 x* z) V: Y7 Z - unsigned char* e2prom_cmd_data;( }" W2 ~& I$ X: d. y. M' a- o0 |
- unsigned int data_count;
) g- u/ }- V% v8 t0 p - } e2prom_s_cmd;" K4 t, r1 d- D2 ]8 A
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- #define E2PROM_CMD_READ 1( A# C( v8 ^- `
- #define E2PROM_CMD_WRITE 26 ]4 n* [# L7 O0 \$ {1 `; Q F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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x* u. ~ D6 l5 r9 r. L% ]; E& l- static int readparam(unsigned char *mac, unsigned char *stbid)3 Z* r1 Z) }$ R6 q
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- int fd, ret;- s( K1 _( s: L8 A/ a& x+ Y
- e2prom_s_cmd arg;
! z `" Y( ^8 X% b6 |" e - unsigned char buf[0x18];( _; r6 N& Z4 Z3 u0 ^
( W; S+ B! O, U |( }$ Z/ M( f- fd = open(E2PROM_DEVICE, O_RDWR);' F0 Z6 s8 [9 |0 L
- if (fd < 0) {
" C1 w* K" z0 V - printf("Device %s open error.\n", E2PROM_DEVICE);
& u1 A6 N& d) W* e. q9 I- F3 x2 l5 f - return -1;! U- a/ @: Q _, G* R
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- arg.sub_addr_count = 2;; `1 O$ o- R+ e' S
- arg.data_count = 0x18;8 f' h4 ~1 i- P+ F
- arg.e2prom_cmd_sub_addr = 0x290;
8 a; {; Z' b9 W8 Y2 O - arg.e2prom_cmd_data = buf;
9 T+ |1 g8 W9 U! j$ w( L- z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 h6 l; I; E0 w( J; s
- if (ret != 0) {
( M# e5 p: Z2 C- h - printf("Device %s read error.\n", E2PROM_DEVICE);# S- V0 r. j- f1 q. v( p7 T9 r9 A
- return -1;5 e0 u; m8 s# w& t
- }
& @& K/ z/ w# j! }: A. C! s - memcpy(mac, buf, 6);
- G) z7 q- Y( b! n$ f" u - memcpy(stbid, &buf[6], 18);) ^: |4 {, B7 ~8 v
- stbid[18] = '\0';/ N; `8 d; B1 p
- - F1 D0 R Y# X! V# i" z
- return 0;( W8 b# c1 L1 w7 Q; T; A' ?2 ?
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- ( D m1 x$ y9 v6 v: l- |: G
- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 C" I5 q; s+ ]9 c( d - {
/ Y1 V1 R8 @7 S$ f' S# X - int fd, ret;7 t/ k8 a+ s9 B) v" m; Z6 }
- e2prom_s_cmd arg;
3 M" B. D! x2 Q4 F1 V( ] z - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
5 [7 h$ p' e) U* k7 x! A0 y - memcpy(&buf[6], stbid, 18);& B( f) ?5 D/ e( ~( }4 m: @$ C
- fd = open(E2PROM_DEVICE, O_RDWR);" r0 k% D: o- Z' c; r7 _
- if (fd < 0) {) Z1 g% f* k4 Z' M" A& L
- printf("Device %s open error.\n", E2PROM_DEVICE);
( l0 Q6 B8 V# a2 e2 @8 w# R' x; l - return -1;
+ _ n8 O) z' `. l# [3 n* } - }: f' j* ~8 y! `, D/ x9 X' p
- arg.sub_addr_count = 2;
' Z, R, `: ?, q- |" g5 _% w5 i - arg.data_count = 0x18;" W* D( a. m' c4 u
- arg.e2prom_cmd_sub_addr = 0x290;
% S6 h+ v9 p! W8 _5 q - arg.e2prom_cmd_data = buf;
( |7 W# w7 Y. a3 a - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 j4 M/ L% m, b! b# T
- if (ret != 0) {
" j3 z0 y- R+ r% z* ~ p - printf("Device %s write error.\n", E2PROM_DEVICE);: M! j0 |( X: Q# N% d9 T y
- return -1;
6 w J N. r3 K5 Q. F) z - }
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, d% f$ X6 |. |! G- return 0;
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- ' Q5 p' B0 [2 C/ g. v$ Y' c
- int main()
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- char c;
- ]. A a) J1 x2 l/ n& L - int i, macs[6];& k F; e+ v9 F/ M/ `$ d
- unsigned char mac[6];
. n* e7 _* m% W, P6 k - unsigned char stbid[256];
# w) T. }! }% ?& w: b - * z; p8 y6 S. g- W% O6 w
- if (readparam(mac, stbid) < 0); z: |4 h, j7 b& ~1 E3 p( c
- return 1;
- G @5 [ J' q9 t& `; H' `
+ h0 W% h; T# q& F- printf("Current parameters: \n");
+ A# u0 F9 p5 {1 \& K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 q Z/ s1 i3 b$ d$ f" ^. E
- printf(" STBID: %s\n", stbid);
# c4 V' ^% D: y( @: a+ B - 7 O' [8 l. F/ W! D2 w6 i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
" s$ I; q; \& b& }; M i$ ~# v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { i) U) M9 y P; W$ J$ u
- printf("Input MAC error\n");
6 `3 q: T3 r l0 S: e - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];3 j R- \! {. U, J1 _0 O
- printf("\nPlease input new STBID: ");# d$ Q1 W8 w; T0 \* D3 f0 B
- scanf("%s", stbid);/ ?5 x% N7 e! v0 M
- if (strlen(stbid) != 18) {
9 i3 w; A+ O3 V- D - printf("Invalid stbid\n");* K" Z- t1 c0 z( a; ~% M3 o
- return 1;
& R5 t4 w) {" ?& F/ X! V' l - } V9 p; U: d( _$ ?6 k- S' r# n8 B/ _
- printf("\nNew parameters: \n");
4 }: {: I# t4 G0 U6 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. [4 V' D, Z$ t* w" ^ - printf(" STBID: %s\n", stbid);7 ~- q9 d" }- k; n- l: ?4 [+ A' E
- 9 _" |- J- f5 P: U5 G$ M
- printf("\nDo you want to change paramemters? (y/N) ");
/ t: J' _, m2 d+ M - for (;;) {
% E) b: ^) |# N Z! `7 K3 M - c = getchar();
# d9 a) C- m: r1 ~/ e - if (c == 'y' || c == 'Y')
+ X& P3 j, y/ c8 _ L$ Q- w - break;
0 ?3 d# r, T: y9 w; F - if (c == 'n' || c == 'N') {
4 |* J& B- A$ i# \ - printf("\nAborted.\n");; w) M+ A0 c2 f e: V9 @6 @" D
- return 1;+ [; N# D; S$ d+ s$ \6 Q; X
- }
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- if (writeparam(mac, stbid) == 0)
* U9 x8 ~2 ?9 N0 K - printf("Parameters changed.\n");, l! V! \) [0 N7 y, }9 R2 j
- ]) a% M F% H3 x# l- return 0;
- \1 }# @/ Q: F& J" V - }
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