本帖最后由 0522 于 2012-3-21 23:04 编辑
( I1 e3 o' g, y, s8 Q: M
+ J$ |- [9 i- u修改的代码早有了。到今天不会编译。+ @' {( u7 l' j* B2 k& Q, n- m
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 i' D% C" p/ {0 Q - #include <malloc.h>+ D) a" q) M1 G9 Q1 C5 S
- #include <sys/types.h>
6 I$ }4 [7 w( S. l - #include <sys/stat.h>7 u- n( u0 I- N/ O6 g
- #include <sys/ioctl.h>! B' I- h/ M1 i/ Y
- #include <stdio.h>; Y# x# q" A0 w+ U$ q1 B O7 a
- #include <string.h>
; m: R8 K# Z& @- w/ p c# x' i - 1 z& a7 ]( k2 W
- typedef struct {7 p( c U9 u/ q6 _2 }; Z8 Y
- unsigned int e2prom_cmd_sub_addr;
, U: T8 V0 ?7 Z! T& f! r+ | - unsigned int sub_addr_count;6 T6 e' b0 v) X( q
- unsigned char* e2prom_cmd_data;& s' h9 A, [9 m: W, D* _
- unsigned int data_count;9 @% L9 T2 O3 b1 _6 d
- } e2prom_s_cmd;
" a+ ~; O! B1 ~0 Q" C - ! K- l4 G! \7 s; u! {# y
- #define E2PROM_CMD_READ 19 c5 z9 D) t8 i8 V2 m- g8 k; a
- #define E2PROM_CMD_WRITE 2: y& m9 M) Z0 j8 o* q- t' G! ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ [2 k% L' N7 p" ]' w+ E; v
- 2 {8 d7 g- Q) |
- static int readparam(unsigned char *mac, unsigned char *stbid). J, G% a, F! m# b: h! @
- {4 O/ |3 Q9 ]9 o& L" ]! y5 _$ l) d
- int fd, ret;" @' B6 B9 }. g
- e2prom_s_cmd arg;& C/ x: k3 {* j( |8 A/ L* c
- unsigned char buf[0x18];) `9 K7 q# l( o) w9 J
( d4 Q2 d6 }1 P6 G8 N; m- fd = open(E2PROM_DEVICE, O_RDWR);
4 O& d S: S# x" y - if (fd < 0) {/ u; U8 T( B1 L! L2 X; _7 w* h
- printf("Device %s open error.\n", E2PROM_DEVICE);
. m8 g% b9 J. E0 q+ c- o: `4 { - return -1;
( W' g4 q8 d- D* z& g6 ^3 z - }
+ g& F6 n1 g& f8 A - arg.sub_addr_count = 2;) z2 v; Y! q* |( T% [0 ]
- arg.data_count = 0x18;
f# E$ P7 [7 `6 n5 p2 a* s - arg.e2prom_cmd_sub_addr = 0x290;
- A3 z6 ~) Q% }- G2 ~" p - arg.e2prom_cmd_data = buf;
6 A9 n0 t: G {' w" `3 K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 n& Z$ p! g7 e3 ~* r9 Q" w! Z - if (ret != 0) {
0 l8 r/ N- ~ |' v - printf("Device %s read error.\n", E2PROM_DEVICE);/ u7 B* g7 Y0 @
- return -1;1 g. N# _$ m$ Q) ]( Z, q# _
- }
9 v; w1 W* C% ^5 w2 b, L# U - memcpy(mac, buf, 6); N+ h/ ~: B* a: A6 R9 _6 X
- memcpy(stbid, &buf[6], 18);
7 Y3 E6 C. V* ?: a - stbid[18] = '\0';# ?0 w* Y# z2 m- } I4 L6 L
- 6 o+ s) b% T, ^7 {
- return 0;4 {7 x2 d5 Q+ s4 f! H+ `
- }
$ s7 O) {8 n& i4 K ?
, u2 |. h6 Z* ^7 Y+ b+ Q- static int writeparam(unsigned char *mac, unsigned char *stbid)
( y0 y* Y# y3 f' J4 Z" b - {
' l0 H8 O8 P) z: Z# o - int fd, ret;
9 y# b% D8 X4 T! W) z3 } - e2prom_s_cmd arg;& M0 ^1 a. Y) N, B
- unsigned char buf[0x18];$ e# ^7 ~8 l2 k, n# Z3 i
2 w7 g Q- J: ~ m, c( |- memcpy(buf, mac, 6);
! A ?6 u/ N* L - memcpy(&buf[6], stbid, 18);/ J; n, D$ D" B9 F
- fd = open(E2PROM_DEVICE, O_RDWR);$ y* J; h+ m9 L" t* s2 o$ F- M f
- if (fd < 0) {
8 t# S' y$ j7 S7 P1 z - printf("Device %s open error.\n", E2PROM_DEVICE);
/ h+ u0 g9 L) j$ e( b7 Z- n* S# j/ N - return -1;
; r8 H; a% V( e - }: X/ u/ W! H. ~
- arg.sub_addr_count = 2;
* A; v- ?8 s1 m* q - arg.data_count = 0x18;
; p7 p: Y% }% }. ?5 H - arg.e2prom_cmd_sub_addr = 0x290; O# Q' m: A( _ ]# }' I+ p" F( M
- arg.e2prom_cmd_data = buf;( s# \) m* S3 J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 {0 k$ B0 R4 J( Z5 ]* {5 g6 H - if (ret != 0) {
! K% ]) G7 e7 Z( x' T& Q0 e - printf("Device %s write error.\n", E2PROM_DEVICE);- C6 b5 I; B3 V u2 {8 ]
- return -1;
8 K C. P8 }! Y - }
$ u- j' Z2 }7 e. O9 [
- H) {' [0 u2 X+ p9 p/ B- return 0;
) O3 s' y2 J1 k! w, l# Y/ p - } [7 a3 _$ E7 a- {$ b
6 ~% l% o/ Z: w7 D' @ @# i- int main()* i. ~# h/ X3 ?9 |( b. q% A
- {0 D" B' ~2 I' `9 {3 T" t
- char c;+ [. O: U1 X2 V7 l0 s W
- int i, macs[6];- Y+ q9 H# C' H8 r# a) z% z2 B& l
- unsigned char mac[6];. G2 g$ ]1 z5 F
- unsigned char stbid[256];
5 d% E8 Y: _' c7 I! z0 `# [9 v; o
" T) b/ q4 v# J- v! L' Z* ^- if (readparam(mac, stbid) < 0)$ k4 Q6 |8 l* _
- return 1;
( M6 i4 p& @$ S) y$ [' d/ s
' f* T% k# @# u- printf("Current parameters: \n");
9 w9 o8 S) X& K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! A V- D8 _/ x: u/ J
- printf(" STBID: %s\n", stbid);
5 ]4 Q# t, m+ O5 T& n7 }# B9 Q - & g$ ~% X4 P1 \6 P" i
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ q. Z4 ]& F: [/ @! d& i8 V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ {# B) x! i$ v1 D# u
- printf("Input MAC error\n");2 ]9 F3 c5 i; T3 D
- return 1;
6 X" O M; v' F. H J* H+ K - }
e1 X e1 b. p! r3 f* l1 @ - for (i=0; i<6; i++)mac[i] = macs[i];( F. v* q% t0 p& H% n# W
- printf("\nPlease input new STBID: ");
1 z5 L! ^2 k( w! d - scanf("%s", stbid);
6 h7 A) P. h# ^( y1 k - if (strlen(stbid) != 18) {- |; l1 S K4 M5 h8 `
- printf("Invalid stbid\n");' U: W9 ?2 l7 ^) Y
- return 1;
V# {1 E+ w1 h6 O# F p" ~ - }4 h' H# Y( g/ s' \$ j& W& F
- printf("\nNew parameters: \n");
9 B% h2 g) h7 |+ o- _; F! { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% ?0 @+ H/ }8 y
- printf(" STBID: %s\n", stbid);, G* p$ d) K ], q
, A% x, U! {+ t7 v, ^4 s' I- printf("\nDo you want to change paramemters? (y/N) ");
% h- A- p& g0 r8 L - for (;;) {
0 u0 _9 ]! L3 t) I - c = getchar();/ B1 F0 Q! J/ b4 {, c; G* u( i6 v
- if (c == 'y' || c == 'Y')
5 k. g4 N; X9 U: m$ P. e7 G e - break;
* `' \; w( G+ Z- j7 {4 A; G, k - if (c == 'n' || c == 'N') {
: V2 x- E, x. z8 D- X - printf("\nAborted.\n");
, l% C+ U7 ~6 H( X - return 1;
! n/ X, z# l& y# N. y3 L# G - }
! b' O, [4 Y+ G: O) `9 V# E - }
. u c T7 C2 k- A$ y - if (writeparam(mac, stbid) == 0)
3 \ }7 Q0 C a, f( ~ - printf("Parameters changed.\n");
0 i+ k6 w9 e! r8 o - ! a1 E h* ~0 @, E6 u( [. f& }: F
- return 0;
1 g+ l! J9 G: H v1 ~1 n- n8 z - }
复制代码 |