本帖最后由 0522 于 2012-3-21 23:04 编辑 5 A/ z! O1 t& O0 D* v
7 o, l- B$ ?: h+ w* g. i修改的代码早有了。到今天不会编译。9 z0 \7 M5 x) D1 Q B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 V3 M# t2 c* W* | - #include <malloc.h>
3 _7 h7 D5 h; [5 e* z1 F& X - #include <sys/types.h> G7 e8 z/ b' q" z$ H( N
- #include <sys/stat.h>* A% I: r: W3 b0 W& z, C
- #include <sys/ioctl.h>% s6 S% T" q. J8 D4 _& U u: r! C
- #include <stdio.h>- ]1 ]% s2 B4 y1 [: y! Z
- #include <string.h>6 ^- V: ]( m- ?
! F' G& f9 V* ?* ~, V- typedef struct {
' q5 \, J+ U8 n* W" X2 m - unsigned int e2prom_cmd_sub_addr;
9 y. V. j$ q3 [ X: l5 | - unsigned int sub_addr_count;( M+ z# |8 V5 I4 M& @1 ~
- unsigned char* e2prom_cmd_data;9 d6 w% A3 f0 H6 R( V( {. ?
- unsigned int data_count;
$ q: r* M5 O H2 L7 d; J - } e2prom_s_cmd;3 G1 F) Q; l8 }# m2 t. I
- \0 Q% a% j x* U. s, G+ W- #define E2PROM_CMD_READ 1
5 |5 X0 j3 b% \+ _. k - #define E2PROM_CMD_WRITE 2/ X. t: J0 ~3 u% U) C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( A- ^, M. X5 g" l. g
C! `" f5 e! `' t5 L+ [- static int readparam(unsigned char *mac, unsigned char *stbid)
+ Q* h! c8 w3 k$ B1 j6 [ - {
! o$ S: v; e2 v3 X8 m/ \$ j - int fd, ret;$ O4 X/ _: }2 p' a
- e2prom_s_cmd arg;1 L3 h V+ r: U. c8 ]+ L8 G
- unsigned char buf[0x18];
D/ Y+ L8 ?8 }9 ~/ g - * ?& P/ X9 T) \ @
- fd = open(E2PROM_DEVICE, O_RDWR);3 u, D+ D( C# o, Y8 p: G" x' Q
- if (fd < 0) {# {& N9 B0 k* u
- printf("Device %s open error.\n", E2PROM_DEVICE);- |, v# C6 h' R5 Z) B/ I p& b
- return -1;) y' ~) `5 e) U2 k2 D
- }+ r9 A' f: d, F; I/ I/ u' G
- arg.sub_addr_count = 2;
2 [- d5 n; E; r) u6 ? - arg.data_count = 0x18; W! S$ P' ^9 i. D9 F+ a
- arg.e2prom_cmd_sub_addr = 0x290;
3 f5 d4 Q( K. S4 N: x3 u, \ - arg.e2prom_cmd_data = buf;1 E- [9 }% L7 |! K5 B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: ?3 P% @7 C3 ]3 A1 l5 X. O/ p - if (ret != 0) {
9 r) _- k( _) ~3 J2 k k - printf("Device %s read error.\n", E2PROM_DEVICE);8 h2 Q9 I5 z) k( V) E; W
- return -1;4 Y8 M, M* x& W
- }6 f- X ~8 h5 n7 [1 N% ?: e
- memcpy(mac, buf, 6);
! D5 P: p) w7 G+ U5 G - memcpy(stbid, &buf[6], 18);
/ e9 E, X, h" }# W1 Y T - stbid[18] = '\0';$ P: n0 u, _# q. d3 _7 S! a r7 P8 Q
# C$ A4 n/ G2 x# ?. C; `7 X* {- return 0;
; s% }& x# s: J. T - }
# } z/ n7 k& c, r - 8 Z) ~, r. {7 C
- static int writeparam(unsigned char *mac, unsigned char *stbid)& Z" V+ s, k' h7 {- i5 T/ R( j) S
- {! `3 d) S4 z% m/ h+ j8 y9 F
- int fd, ret;
5 a+ k; T. \; v( v+ b7 C; D - e2prom_s_cmd arg;
( @. j% U2 b9 d5 m+ U8 p8 L6 U0 g - unsigned char buf[0x18];- c; D+ S# o1 R% R6 x7 \
- ) \% f9 F9 L5 N- q7 G& N
- memcpy(buf, mac, 6);
3 D# a. E/ T7 j" A* ~ - memcpy(&buf[6], stbid, 18);
, a& B- {. \, {! X; R - fd = open(E2PROM_DEVICE, O_RDWR);
3 T- k: g6 `" H- w - if (fd < 0) {
9 o/ [- ]. |: ~; K6 A. Y - printf("Device %s open error.\n", E2PROM_DEVICE);
( H9 A: I; y- U: Z - return -1;
0 U" n% U5 K- C - }& K2 k% q# u5 q; N# J6 q
- arg.sub_addr_count = 2;; ?5 R% N$ { Z [* {; Y( M1 Q4 M
- arg.data_count = 0x18;
/ v, p9 V3 O2 L1 m - arg.e2prom_cmd_sub_addr = 0x290;$ y3 e3 f* g, A
- arg.e2prom_cmd_data = buf;; m8 d T+ q# K- |$ U. @& d+ \
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 n4 e" o+ A q9 z - if (ret != 0) {
. i# k$ Q) }( N' r4 q1 a7 x8 h - printf("Device %s write error.\n", E2PROM_DEVICE);
# d4 _) K& |* V5 P0 v7 ?0 b( Q8 f2 n3 V3 U, U - return -1;
- ?7 H& g. K. V& e8 t3 ~, M - }5 I2 Y2 Z) |* B/ Y _4 E D
- 1 j: t' E4 c& K) K. D* {
- return 0;! g5 t6 ], v1 E4 U) h* y
- }! C5 D2 Q( Y- L& q- ]
- r9 o' [' ]0 [! ?6 x- int main()* R' r+ ?; d. k
- {
3 w/ V. A. e2 C5 S - char c;
( v9 X) s0 Y/ h/ q( q/ S - int i, macs[6];& r& B& Q$ e4 r; k1 w0 E
- unsigned char mac[6];
0 D- i1 ^ p, |) C% }1 U' I# [! U4 L - unsigned char stbid[256];
- F" W" c |3 }
4 Y( h9 c9 |" M# ~. x- if (readparam(mac, stbid) < 0)
n6 x* M9 ?7 g: Q8 h, g: G! F - return 1;
; Z/ I6 Z! N. F' d
) G: P" c9 U4 h- printf("Current parameters: \n");6 b0 E+ D& O/ x# b- O. c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% o) u' S9 J; n9 g8 Q
- printf(" STBID: %s\n", stbid);8 E, g7 p. ], t. x# P3 c6 K: I
- ' p3 t; r1 {6 R: N4 `$ _- I
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! o+ z4 E6 P1 u, X$ E$ ]5 g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# r- @ d0 G. o5 K, V9 f" k - printf("Input MAC error\n");) b& x0 y; Y0 }6 o9 K
- return 1;9 l8 p# [4 C1 J. C
- }
0 B0 ]; L& [6 J; c, k- u* Y - for (i=0; i<6; i++)mac[i] = macs[i];6 K- ^. F) I% C
- printf("\nPlease input new STBID: ");
% C$ f# r7 a, |* [ - scanf("%s", stbid);2 @9 J4 S$ Q5 _! H" W$ d
- if (strlen(stbid) != 18) {3 R) V; r- Y% d
- printf("Invalid stbid\n");' y6 [ y) Z* p! r! e
- return 1;
/ ^, m/ ~; y9 W# x# r - } v x" N) e9 \& x+ O0 b$ _2 ~" Q
- printf("\nNew parameters: \n");- T( ]/ B, v4 ?' B% m7 H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& `, S% O% k- S4 C
- printf(" STBID: %s\n", stbid);8 J4 z/ y8 T$ _7 G0 l+ n
- ; p& f) @6 W) K1 T1 A4 N
- printf("\nDo you want to change paramemters? (y/N) ");
# @4 n" F8 w" N! `3 I - for (;;) {, M) r) V f7 R: J' h6 {
- c = getchar();; U6 q% e, ?- e1 `3 l
- if (c == 'y' || c == 'Y')
* N% Z+ A- y; S3 v% {4 p$ i - break;
3 W# R7 Q% k5 p9 \% S7 a - if (c == 'n' || c == 'N') {
8 F) @" m8 P, ` - printf("\nAborted.\n");% A/ o% j" g- W# V8 c, ^5 N; |5 L
- return 1;
$ ?7 p# W% J2 Y/ v# P1 Z4 W/ z, j - }
- m1 s& |+ X/ `$ d' U- c - }0 d' V3 ]& s( Z
- if (writeparam(mac, stbid) == 0) ) `% }* L4 {4 K x* i
- printf("Parameters changed.\n");5 V/ m( F5 G8 R- t4 v! l- q6 w
6 X( q9 H* e5 G4 w* p7 `- return 0;' }" }# \+ U) j: k# v" Y5 P2 M* A
- }
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