本帖最后由 0522 于 2012-3-21 23:04 编辑 % k h0 F, k) Z, U6 S$ [2 K4 t) X
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修改的代码早有了。到今天不会编译。
0 `8 X2 ^' F' v+ n需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- I' `: B4 w7 J L: y$ b
- #include <malloc.h>; q4 |2 y. Q8 o0 x' d
- #include <sys/types.h>
# w+ t) d, [+ m& D- [9 c - #include <sys/stat.h>/ T3 f' N) X, p: r
- #include <sys/ioctl.h>+ D& S0 e/ J1 V4 ]6 T7 e
- #include <stdio.h>
; y& b6 F' `9 N D2 ` - #include <string.h>8 b$ B" R- M; Z8 l
, o( ]+ ^# |! `+ i- typedef struct {; [* ~5 K* F: I+ A
- unsigned int e2prom_cmd_sub_addr;) v+ P6 f. u$ w- D) o
- unsigned int sub_addr_count;
' d4 d9 O4 E' T" d - unsigned char* e2prom_cmd_data;( b Y0 n2 @) w
- unsigned int data_count;
( n+ c& H. t1 j9 b - } e2prom_s_cmd;
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9 `* l7 a+ t5 \* H5 N) [- #define E2PROM_CMD_READ 15 a: D' ~* }/ K/ u' T# O/ m, n. ^7 B
- #define E2PROM_CMD_WRITE 25 ]& W( _) ^% t" w7 @& g) o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
0 N5 ^& P1 `' x# G4 z% V - {
* p5 P% W0 j6 N6 Y' o0 d ? - int fd, ret;
$ p [1 V: `. y1 l - e2prom_s_cmd arg;
. W4 i* {# M+ s" f - unsigned char buf[0x18];
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( w9 [2 k. A V: t- fd = open(E2PROM_DEVICE, O_RDWR);
* G2 b0 v c3 ^* u - if (fd < 0) {: ]* k! a; N* P9 o8 F- H
- printf("Device %s open error.\n", E2PROM_DEVICE);
, H& f" l3 v5 k5 U! x5 m) x - return -1;7 O* Z6 z# X) X( t/ h# q
- }
# e2 t) t7 M: [) K - arg.sub_addr_count = 2;
) k# Y6 w S" {6 O; s6 w - arg.data_count = 0x18;1 K. {8 R' s9 Z) F4 H7 R' ?, d
- arg.e2prom_cmd_sub_addr = 0x290;
, b3 ` t9 Q8 y( x8 X$ [ - arg.e2prom_cmd_data = buf;
9 U* P+ S8 _2 X, R x G4 N8 ^ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);( U! i+ M& h* N. ?4 S! D/ R
- if (ret != 0) {
- O9 r# U4 H& _& }) C - printf("Device %s read error.\n", E2PROM_DEVICE);
6 R/ s0 q+ B& r8 O+ O - return -1;4 u8 I4 J- G8 B: ^+ o
- }
& s* J" r- Q) n3 } - memcpy(mac, buf, 6);
7 b7 A9 G) M2 {* s& C - memcpy(stbid, &buf[6], 18);+ ?- _/ v) O* B0 f! M9 @
- stbid[18] = '\0';( d, U$ Q# p1 o0 |! @! M
1 @" r/ ?: f7 |3 O- return 0;2 h, }7 F% x3 _1 ?
- }
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* z* g: C3 [ ]/ J# }- static int writeparam(unsigned char *mac, unsigned char *stbid)
! K: u3 v6 | @7 j5 P6 \( n' \ - {! p. t9 ^/ M6 c& O* [3 T
- int fd, ret;
! S- y6 {; @5 z% |" j0 ` - e2prom_s_cmd arg;
& U" T* g3 l6 p8 }% v6 l5 s$ `9 | - unsigned char buf[0x18];' n4 d4 G1 [; S6 o3 q9 i! Y
- , _9 B1 N" J5 C4 ]1 K
- memcpy(buf, mac, 6);
2 R" y& \ u/ A5 k+ l& g - memcpy(&buf[6], stbid, 18);
5 V. ^/ Z( N5 }) Y3 w+ H9 S - fd = open(E2PROM_DEVICE, O_RDWR);! o. a, F; y! N4 U3 x8 X2 Y
- if (fd < 0) {
: a1 u6 }& [( O" @( t) }/ T c - printf("Device %s open error.\n", E2PROM_DEVICE);
- ?$ U1 J) f- Z) ^, ]# N4 i, U - return -1;+ t! |6 i: U6 j8 d
- }
, q1 x5 Q& s! F, p% D$ z - arg.sub_addr_count = 2;
) r- [; D% W u' j - arg.data_count = 0x18;
9 I0 |, }; b7 n/ i% E1 R - arg.e2prom_cmd_sub_addr = 0x290;5 Z% f' L6 }! ]) p! r- A- ]8 H
- arg.e2prom_cmd_data = buf;$ p, d8 C6 J6 b. U
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" W |" C; g/ Q - if (ret != 0) {; E& d3 n; i' S2 F* E& D% r
- printf("Device %s write error.\n", E2PROM_DEVICE);' z, |% I; H# l* j- D
- return -1;+ C7 K) c% q. j1 t$ d, h2 C
- }4 _# Y; [- D& d3 E Z
+ F" x3 n( `% y/ b9 {- return 0;
6 q+ H+ |4 `3 Y5 F, M3 | - }; S! b4 E* U. e l, {
- 6 O5 {$ k+ c1 e5 R m2 J6 ?
- int main()
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- char c;
$ {! v9 d2 \+ s! a! Q* _ - int i, macs[6];" {) h' \$ b0 w- V! a
- unsigned char mac[6];
( Q V9 c; a- e, h( R) s - unsigned char stbid[256];$ a4 _; }" ?8 x! A
- " F' q! s ?4 B9 e
- if (readparam(mac, stbid) < 0)
" O- N4 V, K8 u* u - return 1;
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- printf("Current parameters: \n");
6 {& @" V% N' |% f0 g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' J4 q1 Q, Y7 X$ I4 M" p; @ - printf(" STBID: %s\n", stbid);; m$ L: \ R6 B5 O, I
-
3 D0 G& d& A5 S [ F - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); [3 @% t; U- g. S3 k
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 \8 D0 A; i1 E- @8 o1 K8 Z! {- m
- printf("Input MAC error\n");6 I. H6 }9 C& d' a! P$ a5 G
- return 1;
. W1 V2 G1 Q9 [% V9 Q" Y: _ - }
- K/ q! [2 E7 R6 @ - for (i=0; i<6; i++)mac[i] = macs[i];
$ t4 t( p# f0 d8 ]. Z0 t- q8 h5 b2 ? - printf("\nPlease input new STBID: ");
$ R `6 R a# V1 J6 }8 z/ O - scanf("%s", stbid);
! [5 _6 v* x- c - if (strlen(stbid) != 18) {7 r/ G% L E* h3 O
- printf("Invalid stbid\n");
/ r& l( O; }8 y( b" Y' {% O - return 1;& b% c5 |7 z5 u( z2 ^+ n& H
- }
$ ]# \7 [+ E9 O- s - printf("\nNew parameters: \n");
8 [/ L- V" ?" Q' J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( k* Q1 x3 E( K* Y - printf(" STBID: %s\n", stbid);" }4 m& z. N4 X! u U
- 0 b/ k, j! m+ x R$ m. j) }
- printf("\nDo you want to change paramemters? (y/N) ");
: A" `' Z7 Z2 {' [3 m$ C5 a - for (;;) {9 {0 H5 B2 z5 F
- c = getchar();3 R9 ?. m2 k, i1 n8 _3 a4 y
- if (c == 'y' || c == 'Y')" k3 I: t0 ~4 m4 m# `& |
- break;+ x$ r5 j `7 Z t5 K5 ?
- if (c == 'n' || c == 'N') {
4 o3 z/ j+ Z( M4 ^- s) z, p( Q* P4 l - printf("\nAborted.\n");
1 G* A; N" h: I z; C; X - return 1;
* V" l/ N9 F0 v; i; | - }: z" b6 a4 i, }
- }" ~ r9 e# p5 [$ Z/ @ V5 Y! g
- if (writeparam(mac, stbid) == 0)
9 T& {$ O1 N3 x - printf("Parameters changed.\n");
+ U2 M$ j$ W% g' A) v+ D/ i. d
/ U1 z' p4 v* u1 W7 ~5 m7 U- return 0;
8 I( _' S- Y$ B' d. B' ?5 u - }
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