本帖最后由 0522 于 2012-3-21 23:04 编辑 ) v( G3 G0 ^: Y, S7 d2 ^* u, I
7 E. _: v* D7 ^/ q) F8 b修改的代码早有了。到今天不会编译。
4 _ L0 \0 g& j, g9 [需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% l! B( c* X/ v - #include <malloc.h>
# X, N+ v4 B: ^# f0 {- G, { A - #include <sys/types.h>
' y5 P/ B- x) g# P, |0 D! }( c - #include <sys/stat.h>
/ Y0 |! E% j: T% \5 P( @5 B - #include <sys/ioctl.h>- I" g( K$ g4 f" s
- #include <stdio.h>* ]9 U: H) G: h5 C
- #include <string.h>
# _4 ]3 g) z, M: C. v {; q" \! b - O0 J( A% u( s( o+ {/ s
- typedef struct {" E0 I% t" p* V0 a0 d
- unsigned int e2prom_cmd_sub_addr;& ]3 t" x3 f; I4 f7 q
- unsigned int sub_addr_count;8 h+ q5 p2 w& h& @9 i0 h E% l' J
- unsigned char* e2prom_cmd_data;3 ~0 n+ l! p+ }$ i/ y% ?/ K
- unsigned int data_count;7 e% Y3 r0 [& g0 ` i
- } e2prom_s_cmd;
( _5 |' J6 R) A s - 5 j1 x. i9 v l. w3 i
- #define E2PROM_CMD_READ 1
" X4 N1 G& {$ C6 U3 d - #define E2PROM_CMD_WRITE 2: I7 [4 z' R4 D" Q m9 x% A1 d
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
- a% M8 V% H" \4 X6 X
: w4 l9 m8 [* A$ n- static int readparam(unsigned char *mac, unsigned char *stbid)
, `- s f& P! v5 P9 B: \2 V; M/ k - {7 J: L2 l" }) v& @3 t
- int fd, ret;' P \% z7 [5 _- Z1 m( r
- e2prom_s_cmd arg;' C2 i8 d" ~; }2 p
- unsigned char buf[0x18];
5 p3 H) |% F- M
6 c& h% D+ w/ B8 P- V! x, H: W- fd = open(E2PROM_DEVICE, O_RDWR);# ]# L5 W3 E6 G8 ~
- if (fd < 0) {
0 H, h4 y) Q* l - printf("Device %s open error.\n", E2PROM_DEVICE);8 \3 t# B0 O4 c
- return -1;
7 y5 B {" `) |; }9 P - }
* ]- k1 K! O/ W+ \+ b - arg.sub_addr_count = 2;
5 \1 }# ~) o% g& k+ S! G, G( \ - arg.data_count = 0x18;
0 o c5 R# N5 {! [ - arg.e2prom_cmd_sub_addr = 0x290;2 y; Q3 T t5 f% O: B
- arg.e2prom_cmd_data = buf; z; C% @: V) f+ r4 U
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ g8 f# s" F9 M- u% a0 j - if (ret != 0) {8 x2 I( |4 P4 }; S; [
- printf("Device %s read error.\n", E2PROM_DEVICE);
9 N# A' r9 t2 q) Q7 |- W - return -1;3 ^3 i- s7 e8 N3 a! U# f' z
- }
" r! \( b' M( W" N- l, L3 U$ l' d - memcpy(mac, buf, 6);9 s# ?0 L8 w* D0 z# g- g
- memcpy(stbid, &buf[6], 18);4 S- Z6 Z, _3 V% o7 l
- stbid[18] = '\0';/ j! `9 d" s4 R6 |
- & |) j; u" m0 R( a* P& [2 T9 D: w- o8 f& w
- return 0;2 t! f+ ^0 p( j5 f9 t+ G
- }
' _% O: J8 y: T2 r8 k; w - 8 u. ]2 {8 h5 O( r7 ` [
- static int writeparam(unsigned char *mac, unsigned char *stbid)& C0 Y- ?5 A7 C" g; ?
- {
6 c! E: M& X! [# ^7 T9 Q - int fd, ret;/ k9 n, D# W# m& ~1 M6 o
- e2prom_s_cmd arg;- M9 N1 `6 c% l8 [' x! b
- unsigned char buf[0x18];0 m4 K$ {7 d, f5 W
' i, d- I; N/ H+ Q3 f- memcpy(buf, mac, 6);
& F0 {. D5 z% L% Z& q* V7 n% F - memcpy(&buf[6], stbid, 18);! }3 N n' K! K' Q
- fd = open(E2PROM_DEVICE, O_RDWR);
1 p1 K, t8 T( A- r n( R8 {2 X8 V - if (fd < 0) {' G3 ^& g+ P/ S+ e3 `' ]
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 ^( ]' w9 n3 B1 p( q" I/ p% r9 E& @ - return -1;+ t; E$ A0 u: Z
- }8 d2 e) `6 c) G" p ~/ ~2 c! g
- arg.sub_addr_count = 2;
& z c( T. D' w9 g3 G2 y/ d2 @ - arg.data_count = 0x18;7 `' l4 I# H* |6 B, |( A. d; O
- arg.e2prom_cmd_sub_addr = 0x290;
Z: K; y1 T l; u4 S! C+ J - arg.e2prom_cmd_data = buf;+ C2 a2 k3 K7 \/ ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, _) C- _5 |% e
- if (ret != 0) {
% f& ? S) w: D3 h* I - printf("Device %s write error.\n", E2PROM_DEVICE);
3 X; y( z9 _$ u" h% b - return -1;
1 R& w( O {+ B8 D& R* F" A - }
% \4 F5 p: j0 S4 h3 s+ Y - ) c6 v8 E0 f1 W- b6 D% b
- return 0;
9 Z; a) [; w. b ?# C W7 f: x6 D - }
; A9 ?0 V1 s1 i! j/ I! [
: o$ f4 P T$ o; V, l+ c- int main()# W$ J6 A- ?2 \; j2 ~/ j
- {
8 ~! P* S, ?7 l) {% j! M - char c;
; b& G- f/ c/ I& a" {% o) S - int i, macs[6];) F" i5 E: y4 Q
- unsigned char mac[6];; G" r; U2 f7 v y9 q" U7 b/ `' y6 r* k
- unsigned char stbid[256];6 h" W- @+ |. O+ b: ?- s
- 4 G, \4 t, y a' D! r
- if (readparam(mac, stbid) < 0)
; _) D, N) O' z( Q( r" @. t - return 1;1 I% A' D m1 t U( u$ {4 v
1 D M0 |' T; ]* V, ^# I- printf("Current parameters: \n");) ?( {7 y E4 t! z5 J& i* h. Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) V( W1 H0 ?5 l. u& j+ P - printf(" STBID: %s\n", stbid);
H7 b% n& R* Q. ^7 k" ~ - $ B, R& `2 B$ \0 c" X4 g
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 V/ `# M8 m8 l9 _* ?5 u
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 ?0 c/ ?( I0 U- T' f( ~) p - printf("Input MAC error\n");
1 n3 V0 u0 H/ G7 Q2 c% y; _ J l - return 1;
9 y) L0 N% t! ?/ l% u* F% K3 ? N - }) ]+ a8 A+ m( x$ x, V& o6 h9 U
- for (i=0; i<6; i++)mac[i] = macs[i];- J- \1 Q Y: d; h0 ^; B. d
- printf("\nPlease input new STBID: ");5 @# K" U$ k, l
- scanf("%s", stbid);: K5 I' z% [* j% T: r* d* P
- if (strlen(stbid) != 18) {8 U! B, e# a F% P# E: }& J5 E
- printf("Invalid stbid\n");
. r8 Z1 |" I4 O - return 1;
3 \9 z: ]' ~4 D7 e - }
" N. P8 X ]2 E- V& j- a2 u5 \ - printf("\nNew parameters: \n");) l, ]& T# Q1 b3 N" ]3 N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 v5 }$ ? A' P7 O7 @
- printf(" STBID: %s\n", stbid);+ M% m2 B. [* H
% O" C( k7 ?! Z O4 ]- printf("\nDo you want to change paramemters? (y/N) ");6 F- _) y! z; |. K- f
- for (;;) {
" g" F7 D) v, H ]9 L2 v - c = getchar();, ^( K4 j& C4 T8 n$ ?; S5 d
- if (c == 'y' || c == 'Y')
; C3 H1 g0 G+ h- Z - break;8 l" ]: U# s9 [& z* u- }% I2 E
- if (c == 'n' || c == 'N') {
: j8 {" _+ A9 A6 Z9 t# L - printf("\nAborted.\n");
* }, j; s* t, S# K* l( S2 { - return 1;
/ o- d( Z' J( Y! m* i" h# B( y - }3 [1 q" B4 t, t! ^6 R
- }
! X7 ]% S9 C) P. r - if (writeparam(mac, stbid) == 0)
9 B d2 C1 b. }; b, u9 w% c - printf("Parameters changed.\n");4 {9 x3 k- b/ J: i
- 9 [) L9 a% @ I9 m# S
- return 0;) U2 |, n5 l+ T: `2 S* R% ~
- }
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