本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
" X. m1 f/ d" \/ F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 k' s! C @& M( B - #include <malloc.h>' r0 q+ V# i6 I+ i. M9 _5 h3 M
- #include <sys/types.h>
4 g* R* y- ~5 z - #include <sys/stat.h>
* |1 m5 r: i2 L% ~ - #include <sys/ioctl.h>
" a( g4 ^0 a8 D s+ J, a - #include <stdio.h># ?2 t( p L, |. I; U% l
- #include <string.h>' S7 x3 d" W( i, u* J3 d6 S
- 7 Y$ Q* |2 U1 }' @' Q& z8 Z( A
- typedef struct {; [( ]7 b/ G* p& j
- unsigned int e2prom_cmd_sub_addr;; C' e5 d4 x$ O# m& Y
- unsigned int sub_addr_count;
/ [9 \; v% j6 A - unsigned char* e2prom_cmd_data;% W5 p( n! j* h) [- r/ G( L
- unsigned int data_count;+ B' @' B; n2 E$ V1 J7 D. j: w
- } e2prom_s_cmd;
# {3 ~0 ^; t/ A( J% A' ^! S+ f. \
1 _6 F) q3 e; P, V- #define E2PROM_CMD_READ 1( d" F3 W$ p" |
- #define E2PROM_CMD_WRITE 2! a/ h. h- L7 N8 ]$ i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 U) O' }, [5 ~! |. c7 `* A: u, k
) Z& A: k5 m) v! T. m, R/ e: A- static int readparam(unsigned char *mac, unsigned char *stbid)
; i- T- V/ X4 y4 T5 P, V& b - {
9 u' d0 R: v9 | N4 n& ? - int fd, ret;- L; M0 f! h+ S: n4 G
- e2prom_s_cmd arg;
H! ]) m! n( C3 q# \1 g: h - unsigned char buf[0x18];% m* O# f2 M1 ~( f* F2 c7 o% ^
* z0 D, h; M E( _+ Y: ]9 n8 c- fd = open(E2PROM_DEVICE, O_RDWR);
- G. R# v+ @5 s( P! m - if (fd < 0) {9 l- A/ b4 R- [: h
- printf("Device %s open error.\n", E2PROM_DEVICE);4 a. h# w- I. R( ]
- return -1;1 t" |2 Z1 z6 J+ r) @7 [
- }. F) L1 J$ H4 Z5 k& |$ E1 V4 o
- arg.sub_addr_count = 2;7 F$ j6 H) p0 c, J7 k. `
- arg.data_count = 0x18;6 ?' v6 r. K/ i) `
- arg.e2prom_cmd_sub_addr = 0x290;
+ E Z9 c \/ G9 p - arg.e2prom_cmd_data = buf;
) s! l% P- Q0 R. ]( Y% Z4 C - ret = ioctl(fd, E2PROM_CMD_READ, &arg);; U+ N. q# V# s% y- y5 B5 i N, H+ F
- if (ret != 0) {
! ~# H4 ^% ?1 R1 d: d" _ - printf("Device %s read error.\n", E2PROM_DEVICE);; R8 `5 P# I& [) j8 y
- return -1;- |# i9 M1 R; ~( B+ _
- }
7 r! V! e( }# T* z9 a - memcpy(mac, buf, 6);
. {$ \$ T" |5 |% n - memcpy(stbid, &buf[6], 18);
8 Q/ F7 G* R7 `) N# @4 s% f - stbid[18] = '\0';" ?* c& i/ E' s& h: |& |
! t9 D. ?, o8 ^- return 0;
7 g! ^; d3 {4 X% v% V- V0 ?! d - }
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# I |4 D! R& x- static int writeparam(unsigned char *mac, unsigned char *stbid)
: K7 C1 D' \9 @% J0 z - {
, M! ~! }4 }7 D - int fd, ret; X r" a+ ]# F' g' p2 n* s5 x
- e2prom_s_cmd arg;) x; [/ C6 }( k) m" O# _
- unsigned char buf[0x18];$ T( w# [# h$ G( f* W. \% c
' r n- v/ n1 B0 D1 i% V- memcpy(buf, mac, 6);
2 W, K) I6 ~. N+ }; q) d0 R- X - memcpy(&buf[6], stbid, 18);; S6 `/ E) l+ d$ ]2 T9 d
- fd = open(E2PROM_DEVICE, O_RDWR);
' t; F' F# J3 \+ K- c3 i' a - if (fd < 0) {4 E, A) J# z3 L4 D$ _" a$ P+ X3 C
- printf("Device %s open error.\n", E2PROM_DEVICE);$ f$ w8 B5 u" x9 q1 s; Z0 }# c
- return -1;
: P3 R$ ]) Y) Y i# y1 P" \" `, j - }
k7 X* u& V- W6 }6 y4 F6 N2 a - arg.sub_addr_count = 2;
4 V; N7 _; }! r! R - arg.data_count = 0x18;& x) v- i4 Q/ [" w' N+ l' A# o) M7 S
- arg.e2prom_cmd_sub_addr = 0x290;
# |( l, g0 {& W/ F; X - arg.e2prom_cmd_data = buf;
0 h w, ?; v$ _" G: j) G! s: t7 d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, g% _9 g2 |3 p0 _. [ - if (ret != 0) {4 g; C _% G4 a2 S
- printf("Device %s write error.\n", E2PROM_DEVICE);; M' Z5 f2 A2 w& M; O5 d
- return -1;
$ x+ Z7 l0 f& L# r6 O! N- F - }
# Y1 G4 e, E$ W& d0 Y$ b) d - 6 B- Z$ T0 x9 F) |; _/ t9 [) u
- return 0;: E R q- K8 V' J# p$ @4 ^& b
- }. e! ^0 u6 n: F N; L
2 F% R1 c: @3 o3 \5 P5 p- t- int main()
# x5 R( N r+ k2 ^0 e+ V - {9 h, n1 K: o% w F1 ^2 i
- char c;+ o( v7 ^! T$ [0 E' V
- int i, macs[6];6 s2 \9 M3 w( l+ C
- unsigned char mac[6];& d- G k' i2 W; \+ M* D
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)( n5 j2 ~1 R9 ?! m
- return 1;9 a e* C3 a( }" H( T* @/ Q# `
% c! E& Z, X& |9 v( C- printf("Current parameters: \n");
' u8 d* O7 S0 B# V: N( S' q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. Y( T3 @; |/ N; j7 W9 g3 |
- printf(" STBID: %s\n", stbid);
# l$ G# O$ O1 e( f2 n1 H -
! y1 _) n) E& }0 @2 S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 z' m+ i3 K" @% I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 J$ e- y. `' } ?# l0 d
- printf("Input MAC error\n");
; _, ?/ o& Y5 T# e. Z5 S - return 1;# n B! X0 }0 Q( G8 c( E! i% B: s3 d* ^
- }* r7 T! M: C6 Y+ c$ y6 D' l
- for (i=0; i<6; i++)mac[i] = macs[i];; A% q+ i# s1 W% A S; R
- printf("\nPlease input new STBID: ");
( ?% V; o5 ^' D+ w2 T9 O+ V - scanf("%s", stbid);6 B' C) t, Y" i) Z4 ~, T/ q' f- k6 g6 z
- if (strlen(stbid) != 18) {
3 N, g. w o3 z$ J9 Z& N - printf("Invalid stbid\n");
~ w6 @* [: B! w2 N - return 1;
* M+ u: M9 Y: c - }
8 U+ a# R6 c" k8 g. ~ - printf("\nNew parameters: \n");
7 r+ H: _* R2 U/ t' ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" a/ W: w7 j* u3 n1 c% c
- printf(" STBID: %s\n", stbid);; a R$ R$ L- Q) Z& y! Q6 X
% d# q& W+ E, S& D/ |5 k- printf("\nDo you want to change paramemters? (y/N) ");
/ W9 C7 e9 }! F2 k$ v% @& ^* ~ - for (;;) {; K% o- @; X/ B- H3 O$ J% q
- c = getchar();
8 j2 f% d. }/ z* R! q3 G+ h - if (c == 'y' || c == 'Y')
/ O0 S' X% X: j8 K# g - break;
/ @; f) E* F7 J - if (c == 'n' || c == 'N') {4 o% t: T+ V1 p: L
- printf("\nAborted.\n");# I7 E# ` @) U/ c! I* v$ H. |. l
- return 1;
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- }- R/ y4 n$ `; d5 e
- if (writeparam(mac, stbid) == 0) T) N, M" B0 p9 }; N( O4 [; j: E
- printf("Parameters changed.\n");
- ]8 v% D3 [1 Z7 \4 R - + A, r' H& v9 n& v$ w9 v
- return 0;9 y; Q! a# M2 m" w
- }
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