本帖最后由 0522 于 2012-3-21 23:04 编辑
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0 {8 p) o2 g5 ?. I, B" @修改的代码早有了。到今天不会编译。
% g. K5 T+ |1 b/ T- v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 ~& x; b% i9 q1 t1 E( P - #include <malloc.h>
5 p0 K9 \6 `. O: @% J% A( M( r; o - #include <sys/types.h>2 _. H+ [" J0 v1 K/ g/ o/ g, `' g
- #include <sys/stat.h>; g X- O4 f2 q% D# F" K
- #include <sys/ioctl.h>
3 r: q) }7 e# V - #include <stdio.h>
7 U: O/ ~7 Y: W+ h5 U# |1 w - #include <string.h>! |' ]% I5 y" x( x* \( m
9 \4 [ ]3 p0 O- }2 y6 H8 S- typedef struct {
) T' j2 W: x ~ - unsigned int e2prom_cmd_sub_addr;/ T, Y" f; T: ?# K, `. r& U
- unsigned int sub_addr_count;9 \; b* Z/ H, g- N" {& R
- unsigned char* e2prom_cmd_data;% ~& V. s6 c. s
- unsigned int data_count;, K" M7 O2 W9 I
- } e2prom_s_cmd;8 |" u, P% _8 G+ m/ j- r4 C1 u* o
- . P1 E, t0 V3 \% v
- #define E2PROM_CMD_READ 19 a' m* B/ Q3 W9 E( ]2 Y9 ~
- #define E2PROM_CMD_WRITE 2
$ d' b/ G+ q# p0 C9 }- b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% L* m' ^- y L
2 l8 f/ @; [/ x A- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) Y% E1 ]0 O! h# V
- e2prom_s_cmd arg;
7 \4 v. u+ b% C% U7 v - unsigned char buf[0x18];: Q0 A0 K5 M! R# X2 b$ z9 M. x& w! I
- ' {5 M0 W) F7 _& Y+ f$ m
- fd = open(E2PROM_DEVICE, O_RDWR);. H( C7 C# I% `
- if (fd < 0) {2 p. K; c# n/ U4 u, z9 a
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ w% Y, w; @2 |) _% o+ V - return -1;" t/ ]/ o/ i8 p
- }% V8 I5 @% ?! a0 u% X% h
- arg.sub_addr_count = 2;
6 G% G" _# o% i5 D) H - arg.data_count = 0x18;
( c4 @$ n Q- n$ z4 A. |6 e3 j - arg.e2prom_cmd_sub_addr = 0x290;; b7 A4 y; h4 n3 E
- arg.e2prom_cmd_data = buf;
) @( r5 Q! ]( \ p- f2 l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ M; m! \: @( B5 m9 |( N5 m - if (ret != 0) {
3 Y& U) k, c* o0 B6 f0 z& q - printf("Device %s read error.\n", E2PROM_DEVICE);' U( {& G& W/ r
- return -1;
7 D; D; _ R( e1 Z3 J2 ]( w7 h" O - }
: V8 ~! S# q. b7 m9 e3 i% a - memcpy(mac, buf, 6);3 b* g7 c1 h8 e, s# G" f) g9 d
- memcpy(stbid, &buf[6], 18);; D I" i1 v/ t. E: v
- stbid[18] = '\0';3 I2 M1 H. ~1 ^6 \/ Q4 N
- 9 F$ {" F6 T6 [, ~! ~7 t
- return 0;
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; E3 n, s7 p8 X( K- static int writeparam(unsigned char *mac, unsigned char *stbid)
+ {$ x7 ?+ Q8 O5 L" i1 s; z: W - {6 X6 e( f; `. |- K2 s
- int fd, ret;& T& I5 n L6 U) T5 D
- e2prom_s_cmd arg;& u% ?- W# q9 S: M0 b
- unsigned char buf[0x18];; _! Z6 L8 J1 p* b5 f* m; K
- ; Z# R) k$ ]+ W' s$ o
- memcpy(buf, mac, 6);: Y$ `- O. ]2 m9 D$ u/ ^( K: |
- memcpy(&buf[6], stbid, 18);, x' n. u2 G" i4 b$ \) v9 F C$ l
- fd = open(E2PROM_DEVICE, O_RDWR);- Z- ]' q6 [) h7 e# `# R5 X; F/ x
- if (fd < 0) {
/ W( ~* t* H/ s9 B5 p4 l - printf("Device %s open error.\n", E2PROM_DEVICE);
! C7 i4 ~* N/ e ?, I* k4 Z - return -1;
% S- D1 e6 F3 e5 t$ M) K - }' Q2 k0 ]0 {1 F. J" p' S
- arg.sub_addr_count = 2;
0 e( Q9 T! ^: a" v2 ^' v9 L - arg.data_count = 0x18;5 L1 Y5 ~/ e/ B
- arg.e2prom_cmd_sub_addr = 0x290;& K |+ @! f. q5 N. i
- arg.e2prom_cmd_data = buf;7 ~1 ]- J2 |) u, f
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' i; ^. s4 [5 M" T5 f0 `# \6 F% X f
- if (ret != 0) {0 v: \% F/ c' m2 H" ~+ f
- printf("Device %s write error.\n", E2PROM_DEVICE);
{$ l! A& E( n0 T( l- B8 k - return -1;3 k; S9 @$ i2 M2 a7 a4 w+ m
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- 4 Y( L$ J& ~! s2 J; s
- return 0;
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- 6 Z+ x. }, H+ T O$ i
- int main()1 G1 ]$ u {8 f9 a
- {$ H, S, C$ {/ P9 m* Y; j5 N6 A: P- I. ]3 G
- char c;2 u0 y9 y7 |0 y G+ h2 l$ r
- int i, macs[6];
9 W: I$ S' L- r - unsigned char mac[6];# k) R( G) V- ^0 R
- unsigned char stbid[256];, ^( T" V: K5 Z. ~0 S8 G) ?7 E. N1 V
: Q @6 L* K. g; |1 t6 Z. D- if (readparam(mac, stbid) < 0)+ ^: D* k# F! f* [
- return 1;
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- printf("Current parameters: \n");$ l9 k% C; Z( ?4 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) S5 Z6 F& z3 {: l8 Y
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 s) `5 B- R# o% O( [; L$ Y" E+ I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 w# \* M. h' H+ a: s! G% I9 X
- printf("Input MAC error\n");
0 F& g& o6 S3 Y5 Z9 @' A0 j: w6 ` - return 1;
P" m" h5 Q8 O3 W! v - }
* B5 P1 @8 \' `$ E0 Q - for (i=0; i<6; i++)mac[i] = macs[i];/ C3 M9 y# A( u
- printf("\nPlease input new STBID: ");
# I2 Y% m) R% D" q9 P8 ~4 K - scanf("%s", stbid);" z1 b4 h4 T6 X% W5 H g
- if (strlen(stbid) != 18) {* e* P5 A/ x$ Z) o- J1 w
- printf("Invalid stbid\n");
$ e) x r- Y: g+ K- h! j+ ^$ k - return 1;1 ?& ?; ~7 L1 O; d: K; u
- }
$ ?0 z5 j# w, _. d+ F - printf("\nNew parameters: \n");# n7 C. x6 L& r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" ?7 \5 |' \8 y' R# a$ D3 }
- printf(" STBID: %s\n", stbid);
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5 S& X9 O) {( Q! S2 _: W }- printf("\nDo you want to change paramemters? (y/N) ");$ h! Z2 [! r9 V0 o8 L+ z2 T
- for (;;) {
% e3 v' Z) c' N5 i5 y; B - c = getchar();+ a1 M0 ^: B: [; B9 [+ X7 J
- if (c == 'y' || c == 'Y')
4 W2 A8 t9 i9 d/ ]2 ?0 W - break;
* q6 Q% n0 B/ e B! U+ D - if (c == 'n' || c == 'N') {
" `! `- Z+ h$ d/ G. G: S# c - printf("\nAborted.\n");6 t- O5 z# d) x% y- p! Q
- return 1;
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7 Y& k! P! Y8 D, J# S& v8 J( B - }
8 J8 ~5 F( j6 r - if (writeparam(mac, stbid) == 0)
7 w6 a8 |: I. L1 z5 } - printf("Parameters changed.\n");
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- return 0;2 k, S2 O2 K9 b2 k) f/ V
- }
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