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。/ I3 ?! P$ a/ U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( f) B( N. r ~2 Z
- #include <malloc.h>( K& F2 }; ?1 f+ b0 K* T: ?5 T
- #include <sys/types.h>
( Z' [8 R# V9 u! q1 h) ~2 T - #include <sys/stat.h>: ^( q6 b9 W0 Y; p
- #include <sys/ioctl.h>
6 L; @. U# a% _: X3 ` - #include <stdio.h>
, ]; r2 {* G% d2 e* g% X; g$ D - #include <string.h> ~* \ G. D3 R8 p
5 c; c( e) _. k; B' n- typedef struct {
& a& o- i$ I# }7 h- g - unsigned int e2prom_cmd_sub_addr;! Y$ N+ I& |, Z
- unsigned int sub_addr_count;8 n7 {' r; ^: g! k8 ^
- unsigned char* e2prom_cmd_data;# {9 G( b4 w! y8 y }/ ~9 M1 h
- unsigned int data_count;. O) P4 O# r* Q% r6 Z$ y4 E3 W m
- } e2prom_s_cmd;( G# n, S- X3 H% [! s A
3 u% u8 f( J/ g4 N- #define E2PROM_CMD_READ 1
% A u, V( I8 t3 d# a! t$ O - #define E2PROM_CMD_WRITE 2 A6 |- ^- a7 N: Y9 w# _+ ?$ h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 M( Z& n3 K- ~6 N
- % B% ^- U G1 y. ]0 g
- static int readparam(unsigned char *mac, unsigned char *stbid)' x% V4 o9 x5 P9 s
- {
( I3 {$ D7 ?8 J; W2 M6 n6 B, o - int fd, ret;& o) L- G* ]. h7 C* L" ~% E' }: @* ^
- e2prom_s_cmd arg;
" O8 g B6 W, F1 Q4 G: k, ^6 ~9 B- e+ U6 W - unsigned char buf[0x18];
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. n" j4 c, S2 Y: N/ F- fd = open(E2PROM_DEVICE, O_RDWR);
- Y6 Z0 N& v) j: ~# |7 L3 y/ x7 P - if (fd < 0) {
7 f7 `- K1 q* V) z1 r* ?! R - printf("Device %s open error.\n", E2PROM_DEVICE);
, l- c2 i: m7 T+ | - return -1;
( h+ f* a+ b. F" c$ q$ R* P - }
9 w) z' P$ J0 R' E c - arg.sub_addr_count = 2;
# K/ M0 v1 U; i" v! E - arg.data_count = 0x18;
% c! U# X& a( {* R6 g - arg.e2prom_cmd_sub_addr = 0x290;, e, ?7 T8 z: e0 E& |* d6 W* e% a+ H
- arg.e2prom_cmd_data = buf;
& @! t' @, Y; T. r& q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 P0 [. Z1 B9 g; K6 h8 u$ q - if (ret != 0) {
- s4 p% i6 C2 b: _ L4 [ - printf("Device %s read error.\n", E2PROM_DEVICE);7 D) z2 {, U" H/ U d0 G4 s
- return -1;4 H1 x/ n) G0 {7 @# t' g* \
- }
+ X- s' X* x/ o4 C! p9 w$ B - memcpy(mac, buf, 6);/ S8 K ^/ H) }' n/ Z- W2 r+ e
- memcpy(stbid, &buf[6], 18);* P% J# x: b3 e
- stbid[18] = '\0';
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- Y" P. i8 |; Z6 G- return 0;
! v0 ^) [$ Y' x' z - }6 X" Q8 @6 A% e9 A: c0 }
1 @% c7 |$ \5 \0 r% o0 @. d; h- static int writeparam(unsigned char *mac, unsigned char *stbid)4 D, c4 B5 _8 @! ^2 X K
- {% z! A- l% N5 `) q. o/ Z
- int fd, ret; I& k" o# T! S0 Q' [& |
- e2prom_s_cmd arg;; N' @$ o' @+ n4 o
- unsigned char buf[0x18];/ S5 s" A1 K* X8 R
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- memcpy(buf, mac, 6);( Y" J% t) O% A
- memcpy(&buf[6], stbid, 18);3 @0 h ?; G3 x& L9 @
- fd = open(E2PROM_DEVICE, O_RDWR);1 Q% V# b* t% _ I
- if (fd < 0) {' D4 a0 V, }0 k5 a# ?3 e
- printf("Device %s open error.\n", E2PROM_DEVICE);/ K9 v8 s+ E& N4 |
- return -1;# Q5 |6 r' W2 f; d
- }
2 T1 ~' t. |( z: s6 K! O - arg.sub_addr_count = 2;
4 Q) N: Q7 V, m8 v$ K; l: u - arg.data_count = 0x18;
0 C4 I5 ~" p! r3 Y - arg.e2prom_cmd_sub_addr = 0x290;
7 Z7 w) p) N! n, z+ G+ B1 r - arg.e2prom_cmd_data = buf;- c n0 B2 i' z. {% m& ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
& D; g$ V1 m* `. ?/ n9 B - if (ret != 0) {
1 a9 O2 W3 z* {1 ^0 [5 } - printf("Device %s write error.\n", E2PROM_DEVICE);
. S+ l- X4 P/ Y O# P1 Y/ F5 \ - return -1;% L# l- l7 s. n+ F1 q# P( }
- }
: W6 {" [$ V+ m( z( Q% b - 7 Y, c6 o4 y0 |+ c4 ~
- return 0;
; U+ F: b5 x4 a; w. \1 | - }% \# f( D# E% \/ k- e8 ] q/ S
- $ a9 `5 |: M0 d9 C2 \3 \7 c) ]
- int main() y9 g% C' i+ U; J; W& \' k% c0 K7 e
- {
- _, S3 d0 v' d/ y7 w* y8 W" _- e - char c;
$ A4 N- l7 I5 h# K2 h4 e - int i, macs[6];2 D, w* W. B5 {& k' L. V& N5 N8 V
- unsigned char mac[6];
! J- K* n% H" P3 `2 j7 \ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)3 f/ y/ _, ^. N# d# u' b3 T
- return 1;) U: i% @' `6 A7 x" [% G
- 8 t( U. g& o$ h* G3 {
- printf("Current parameters: \n");
& \; V# G* M* I3 R7 q% n2 p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 t: C1 m* ]0 C7 U: M
- printf(" STBID: %s\n", stbid);2 `8 |- H- d( |: z+ P/ ]/ T/ O' L% l8 u
-
3 }2 l. U' `1 u - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: A b2 f9 m* j3 I/ d0 q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: q+ N) F. Z* X3 X - printf("Input MAC error\n");
: g4 _$ a$ z, S& j - return 1;# r! ^) U$ T9 {" B6 _9 u+ f/ r$ Z
- }
8 I+ g' [; H) Y% c; K/ G% v- E. [ - for (i=0; i<6; i++)mac[i] = macs[i]; E& G" _) {( p) c! x' C5 r% Z7 c
- printf("\nPlease input new STBID: "); p* v7 M a* n) U& Y
- scanf("%s", stbid); j5 p9 i$ b {. k, S
- if (strlen(stbid) != 18) {7 m4 W4 \7 P, ]" s
- printf("Invalid stbid\n");
$ o, W4 Z1 T9 R& s' J0 W# d0 ~ - return 1;
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- printf("\nNew parameters: \n");) `; q( U g! {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 P g3 ^6 n: H. l - printf(" STBID: %s\n", stbid);
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0 [4 G7 F% z9 ^% K! Z0 K/ p6 k- printf("\nDo you want to change paramemters? (y/N) ");1 U/ I$ Q, y5 e+ V. s6 ]/ |5 B
- for (;;) {
. F8 g% R0 D3 q0 l - c = getchar();
/ B1 `2 H: Y1 I$ O - if (c == 'y' || c == 'Y'), c5 G2 s6 g# q7 {4 G9 ^9 Z! Q% T
- break;7 k( {9 T& Q) H4 s7 f9 z
- if (c == 'n' || c == 'N') {7 M' c# E6 N [" d
- printf("\nAborted.\n");
1 U5 D) x, D: m0 v6 N$ f, ? - return 1;+ s+ M, A5 A8 f9 ~0 y9 ~" d* C* m/ v
- }0 Q, R+ L" S+ B+ W8 ~# D0 C1 @3 x( a, w
- }0 E- [! S- `+ J; b% P7 f. P5 s
- if (writeparam(mac, stbid) == 0) 0 r4 Z- w+ a4 E
- printf("Parameters changed.\n");
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! Y; l- v T6 S. D9 f- return 0;* j6 n- _+ l; ?- N
- }
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