本帖最后由 0522 于 2012-3-21 23:04 编辑
# D/ b, O. t% S* H; d) Y# ?' v( j% y# D& r' K
修改的代码早有了。到今天不会编译。
/ f6 w* w" e6 g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ m N1 O, V: ~# i, _2 b% u" m. s4 {* | - #include <malloc.h>
; Z# ]+ M& X( h0 W d - #include <sys/types.h>" v, @9 o, J& n' x- @5 r
- #include <sys/stat.h>+ q( [3 k1 `' r! W P9 V% v
- #include <sys/ioctl.h>
4 { P7 x5 {# m1 _# o - #include <stdio.h>
$ B% U( a, k" J! O - #include <string.h>5 Q8 G# [( M; T: t6 x, F" h/ v
+ T3 j, ?: A* A1 [* r- s- typedef struct {; T# l" K+ g8 Z& B- ~
- unsigned int e2prom_cmd_sub_addr;8 Q, n+ P y# U6 I8 I9 @4 @: w
- unsigned int sub_addr_count;6 C5 f4 b6 e0 i5 I& i
- unsigned char* e2prom_cmd_data;
8 |1 _# f4 @( D! y - unsigned int data_count;7 n" L# ?/ t1 D) A2 A: I
- } e2prom_s_cmd;* O- \' ~2 P/ q# \. M1 e
' ~: ], J! N. E- \- #define E2PROM_CMD_READ 1
& L7 c4 |7 G: q( [: l3 S7 ^ - #define E2PROM_CMD_WRITE 2
1 S2 G$ X* o- T5 q4 W8 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
( C) A- k9 n; D8 L: D. S - # h2 T7 h7 R) ~; J7 {: V: x
- static int readparam(unsigned char *mac, unsigned char *stbid)0 `/ y& h1 d2 l4 B# G/ U! M9 @2 l
- { u& F4 }; X5 R4 _. h
- int fd, ret;
; n5 A' k* ^7 O( Q7 C - e2prom_s_cmd arg;4 A' n, v5 ?- f& p
- unsigned char buf[0x18];. Q/ j- L4 d9 z) w1 G' n# Z' ]# B) c
+ ]6 K2 e- A: F, o& p8 ]! x' g- U+ v- fd = open(E2PROM_DEVICE, O_RDWR);
% I [; @. V* k1 @2 t: C1 Q+ V - if (fd < 0) {# |* _% C( f7 S) x V- c8 J* N
- printf("Device %s open error.\n", E2PROM_DEVICE);! i" K1 p p5 e: C
- return -1;0 }( Q, S; h8 F2 p- N
- }! R2 m$ ?+ @7 ^; f
- arg.sub_addr_count = 2;
4 c( I; X4 w0 s J0 q1 L, |, D - arg.data_count = 0x18;& A$ R, ?: T2 D0 j* ~- U9 U: x
- arg.e2prom_cmd_sub_addr = 0x290;
2 Y; y+ z. S* g1 T' b `- i - arg.e2prom_cmd_data = buf;5 m- p( g8 H ` o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 W" _6 g; i7 j# D* d
- if (ret != 0) {4 F3 L' e( E' ]$ m7 L
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ F. \, h& T _! H9 ~ - return -1;" N$ \' _5 M+ R7 S: n
- }8 A$ l* }) p( X: q* |& D b* ?
- memcpy(mac, buf, 6);% b# A+ n5 J# s5 s- r) r7 r
- memcpy(stbid, &buf[6], 18);
4 h& p9 ?: D, }5 X/ @' V- o9 Q - stbid[18] = '\0';
8 e* C& Z1 _$ O+ | q9 y - ' T- X; J$ |- ]/ Y9 h# ^0 R Z/ C
- return 0;
j& [$ N3 l' \ - }
' h( y2 g9 j: ]* G - / V. A8 X' r" @6 C& T
- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 H& l Q& ~% S o8 n - {$ r1 K+ A# _# R* D2 P* W
- int fd, ret;
0 ~+ f0 m* A$ D( J) O0 }& O - e2prom_s_cmd arg;
I, l2 ?# w( y( t - unsigned char buf[0x18];3 [, P& d k( n8 P: c/ o" h
/ t, M% ?& J5 l- memcpy(buf, mac, 6);9 Z, e+ U6 K; Z1 d: N. \2 c
- memcpy(&buf[6], stbid, 18);' _3 V h; \5 n4 c" m
- fd = open(E2PROM_DEVICE, O_RDWR);% G, a6 F/ G# J- x. o
- if (fd < 0) {
6 `8 A# T2 T; }6 k - printf("Device %s open error.\n", E2PROM_DEVICE);
5 R6 S. @5 t2 b, V; [ - return -1;6 X! d; v' r- U" }4 I8 u+ e
- }8 r- J7 \$ B. a. ^6 y. u' ]5 j# x
- arg.sub_addr_count = 2;
- b4 q' y5 C* q, u# B - arg.data_count = 0x18;- N, n3 M: E0 Q5 ?/ T
- arg.e2prom_cmd_sub_addr = 0x290;- M7 v$ R E; G# Q; V5 T
- arg.e2prom_cmd_data = buf;
y2 m7 A! \8 W& k9 }# U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 X! u8 q5 m& q( J6 W/ N% D' G - if (ret != 0) {
5 \+ {8 h3 d% p - printf("Device %s write error.\n", E2PROM_DEVICE);1 j! e' _! d- B9 e# H* e: Y- E, Q9 s
- return -1;0 A9 h6 Y7 P5 N) ?4 o
- }
: F- I& _' K3 F5 m. V/ `" B: O) v
) g, E3 q. t; M0 H+ h) q2 z- return 0;
# d$ Y1 @: A' z- { - } I* E+ o( @# K6 L0 U9 g
$ O3 f2 T$ C! _5 K9 w; f- K- int main()
: b, P9 k. t2 b& U% [ - {
. A4 S* h0 w$ L" E, K3 T - char c;
% G) h* i4 V7 z9 N( W" u- l - int i, macs[6];0 h' i6 t# h. G7 `+ X7 q7 Y
- unsigned char mac[6];
7 {6 f' y" G# X, F: I6 U0 V! f) t" X5 T - unsigned char stbid[256];8 y i% ~# O2 ~& E) ?
% U* E$ u: N5 s& l- if (readparam(mac, stbid) < 0)
; e% N( w4 B1 K) ? - return 1;, h5 q7 h+ }& [+ X
9 w) m2 x5 D0 |6 t' i- printf("Current parameters: \n");* E8 ?2 s4 r$ y5 Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) |- P Z T; n# x* F6 ?2 M
- printf(" STBID: %s\n", stbid);7 N, H) s/ U9 V6 Z1 ~* n7 U% y
- ) U9 T- K7 W9 A4 K: x
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: A# j' \; B% U& k5 j/ x1 O7 j/ ~ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. c& ~6 I0 u; g2 u! W! j. c2 V - printf("Input MAC error\n");
. K. e/ U% v: ?& B7 Y( p3 z - return 1;4 p4 d) G6 W( `9 y" r
- }+ O% ~$ z; j5 P
- for (i=0; i<6; i++)mac[i] = macs[i];
6 A/ I+ g5 ^ x( f, p; m$ Q - printf("\nPlease input new STBID: ");1 M+ b7 R/ H: J; V7 |
- scanf("%s", stbid);- \+ `$ l4 R3 u8 J
- if (strlen(stbid) != 18) {# g1 B. ^; x/ d
- printf("Invalid stbid\n");
k- M {/ t5 X1 t$ w2 H, H3 b X - return 1;- a. @, _, K' B s" i* z% e/ c8 Q
- }% ~' A# k, v( s
- printf("\nNew parameters: \n");) s4 N) Y$ c6 G G/ }" @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, P7 a1 x/ \: V, C
- printf(" STBID: %s\n", stbid);
; A' j; y$ t0 r7 i: v
( S" E2 b; u0 O2 u) h$ k/ N8 _- printf("\nDo you want to change paramemters? (y/N) ");" B2 {9 d" _. }, r
- for (;;) {9 M' s# B" V2 w
- c = getchar();
1 }! C: R: M6 O6 J6 r4 b$ h - if (c == 'y' || c == 'Y')* @; g5 r5 ~* B( t- H
- break;
& i/ x: I7 j2 S. n - if (c == 'n' || c == 'N') {
. `1 N( M$ F1 w9 @5 a - printf("\nAborted.\n");
6 d5 k' v0 T$ V7 e& k- W - return 1;
0 e; A' c' E4 ]( K& U1 ^6 z% A+ i - }
# E% F- R E' m: D" M - }6 R# ~/ J" c; |+ w3 j
- if (writeparam(mac, stbid) == 0)
; `+ b, R3 h; ^. H% a( B: a - printf("Parameters changed.\n");6 d' R! K! T$ _& v, f
- 8 D! H: T; K1 d# m/ t" r9 M4 E9 h! g
- return 0;
, o7 m! W: a4 n - }
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