本帖最后由 0522 于 2012-3-21 23:04 编辑
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' m& F& f2 N5 R& n. \修改的代码早有了。到今天不会编译。
4 o7 C1 |- `% N: @) ?4 v, `) o- ?需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 I. ^5 l5 A9 \; m0 t9 h
- #include <malloc.h>
) O2 B. P, @1 [' o; s4 V - #include <sys/types.h>9 m/ g8 p' K! {# [1 ^- [
- #include <sys/stat.h>
& J2 A1 F. m6 l" z2 Z9 d" T - #include <sys/ioctl.h>
# b) Z% R! a3 F6 B* u- [ - #include <stdio.h>) c$ h5 W9 @" f [5 y
- #include <string.h>
# ~# U! H% T+ t8 S" z& j m
! v) M& A5 W7 f# U- typedef struct {+ y+ _0 W( m4 y* \: [! @
- unsigned int e2prom_cmd_sub_addr;& w* p% k6 c' V% q( ~* u
- unsigned int sub_addr_count;0 ?" h: B9 u$ I! k) B0 g4 P$ W
- unsigned char* e2prom_cmd_data;
4 o) t7 }* B7 u" M/ _0 s - unsigned int data_count;
; Q: S$ w( \5 \0 e3 t3 ~0 v+ k - } e2prom_s_cmd;
9 l7 `9 T, f$ b, @& O - 3 r% l3 a) B/ N5 n2 T6 R4 W2 W- p7 E
- #define E2PROM_CMD_READ 1
: ]1 Q, I# b) m! V - #define E2PROM_CMD_WRITE 2
% ~! \3 e7 e# f- F/ @. U - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": h: S3 ^' z3 P+ T- `2 J; X( n
' t; }. K5 i6 Q2 Z, ~- static int readparam(unsigned char *mac, unsigned char *stbid)
: Y0 K& \: v# X& K5 w ?) ~" s1 H - {
8 V7 r7 d7 Z3 N - int fd, ret;
/ `, X; S0 C9 i9 t: }% j - e2prom_s_cmd arg;
8 F2 J( K7 X0 Q; I( F/ m3 ~9 r - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);5 I% ~9 s4 [, R) q
- if (fd < 0) {5 J$ D4 S; v. ~6 O$ r
- printf("Device %s open error.\n", E2PROM_DEVICE);
# w! W9 n. S7 f; `( n - return -1;# G! ^# m- w+ K- L
- }; _; o" C1 F i9 z* O- K
- arg.sub_addr_count = 2;
# F- P) e$ T# g. v9 K - arg.data_count = 0x18;8 j) a- z4 [% r2 z( L
- arg.e2prom_cmd_sub_addr = 0x290;
; V6 \+ y9 F, Y, P, G+ w - arg.e2prom_cmd_data = buf;, u% y' V; `% P1 y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% @! H& H1 C* t% d, \
- if (ret != 0) {- A) n9 ^6 w3 j
- printf("Device %s read error.\n", E2PROM_DEVICE);
. t$ {& T7 e: `+ p - return -1;
: w. j8 H t( K, m) I* c9 j - }
+ ?+ K, u* `; R* N& a* J# g9 v. ~ - memcpy(mac, buf, 6);
2 @+ I5 A: Z3 d# U8 ] - memcpy(stbid, &buf[6], 18);
" y( \" T/ }+ l6 ~, i) ~+ Q7 f - stbid[18] = '\0';- ^2 {( T6 E# x$ a7 ~
- 1 |6 h9 [ z8 {6 f
- return 0;
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- 6 y/ t* y9 F& u& y9 s6 V$ g
- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 j3 z5 ?* d6 W/ ^! h - {
) ?5 B( y& Z0 x0 `/ S2 g" A* J - int fd, ret;; u$ Y; Q5 E) P
- e2prom_s_cmd arg;" x. X- y- O5 P# `- N
- unsigned char buf[0x18];; M7 b6 ?' s7 q) }) G
2 R( r1 F% \, K- memcpy(buf, mac, 6);0 V0 W g" D6 a6 S0 X
- memcpy(&buf[6], stbid, 18);6 c0 }# N. s- F5 ~& p( v; w8 N
- fd = open(E2PROM_DEVICE, O_RDWR);
1 M% ]" d! z! K; D - if (fd < 0) {3 W4 @0 ~, e9 R
- printf("Device %s open error.\n", E2PROM_DEVICE);* W9 b' r9 m% Z0 s7 s: |
- return -1;
/ R, J, Z9 w, H, A9 z( |6 P - }
+ V2 o% o9 M, E4 s+ J/ k - arg.sub_addr_count = 2;
; I9 c$ `7 a+ y* ~* M1 q - arg.data_count = 0x18;
, ~# W( C [( [# m& c" H+ K - arg.e2prom_cmd_sub_addr = 0x290;8 g5 T/ {; p/ H4 T+ P; |
- arg.e2prom_cmd_data = buf;7 V9 H; f: n* V2 p* D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 p) h7 r6 w) z8 Z0 \5 K, H - if (ret != 0) {
5 J0 z5 W/ `9 v4 g - printf("Device %s write error.\n", E2PROM_DEVICE);2 n$ j4 Y( e6 V( e
- return -1;. K! ?* T$ Y# F/ S) }7 K9 W2 j
- }& N a3 {# V" I
- , ]1 l: e* H# M3 D6 Y
- return 0;5 X. }1 E" y* D; P/ w2 |
- }
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$ e* a2 E! y% U& t$ [- int main()
4 `4 X- z; l; u - {
, X2 I8 i7 ?' V; Q* d - char c;. @ D" i0 h6 `- }# |
- int i, macs[6];* {: R6 n- a* D6 p* o
- unsigned char mac[6];: Q# [: L- r9 |3 D
- unsigned char stbid[256];
- Z) b! [4 ]( |. Q" o
- q* b8 g9 H8 W# g- if (readparam(mac, stbid) < 0)
* M# \. `. {) ^2 y2 K% m, W) s& t" u - return 1;2 _( K% t0 o! @4 h/ r" R
- & I1 ] _- o* l, i; t; P9 Q
- printf("Current parameters: \n");
# j& Q" ^! e8 ~3 v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 y) ^) K( X7 S' S8 B+ e- n
- printf(" STBID: %s\n", stbid);
6 k- s4 ^, h' H& G* i3 R+ r; r- f - 9 o k6 c' y& W/ U8 e! z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 D2 l% Z* ?& g! d - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 }6 N" {/ k, @8 B1 ?9 A: b% R - printf("Input MAC error\n"); b% C5 M% R# c' m: F7 [
- return 1;
# [5 k& ?7 z; ~7 W - }
, q4 Q: f/ [# j. F - for (i=0; i<6; i++)mac[i] = macs[i];
- ]5 V# j+ u9 I( n' y - printf("\nPlease input new STBID: ");
$ r# t" J4 g [( _& Z' J - scanf("%s", stbid);$ d+ ^3 b: _5 w, S
- if (strlen(stbid) != 18) {
& S9 r' F3 P/ P2 T - printf("Invalid stbid\n");4 C+ ^5 v) D, w
- return 1;( w, F( M+ x. i5 k A
- }
. O" O3 S1 v; w. J5 s. h - printf("\nNew parameters: \n");
7 d: y3 G6 ], e9 [& v; x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. h5 P0 f& q1 W8 A1 p - printf(" STBID: %s\n", stbid);
+ k. P* D& X, F& E5 v3 k - 8 R- s9 I* ~% p- C% e( i
- printf("\nDo you want to change paramemters? (y/N) ");: {8 I' x$ D! Q% V6 F0 W3 e+ i
- for (;;) {
* R/ { l, T6 c# y - c = getchar();. f3 K% c$ i- Z! _# {
- if (c == 'y' || c == 'Y')' r V! S/ |8 s8 w1 R
- break;
$ J; j P( Q7 l9 w* A8 u: S4 z- C - if (c == 'n' || c == 'N') {0 R. p4 K8 Y4 K( S
- printf("\nAborted.\n");# r/ Q, w: O) v, @7 H& S. b, B5 P
- return 1;* A7 j7 `' T, v5 O* o
- }- O) F- @# m0 `$ c; ?0 d7 A$ ]& _
- }
2 w+ {5 q7 A# ~5 K) E - if (writeparam(mac, stbid) == 0) ~) n' }5 F/ B% J9 ]% `+ y x0 T, N
- printf("Parameters changed.\n");
: _# V7 q7 U0 T; {0 S- a9 x - ! \1 v* ~+ a, ]
- return 0;! K$ r$ R6 T, d# v( o
- }
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