本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
( _/ E9 O6 `6 Z7 Z9 k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& h( ?# F1 K8 G# i+ W7 I2 Z4 Q' ` - #include <malloc.h>
4 z" V) w+ w# C( W8 s' v# p& ` - #include <sys/types.h># H3 Q c4 S; p) }
- #include <sys/stat.h>
5 k% _1 q: N4 c) S - #include <sys/ioctl.h>
, ^! y8 S: ~% ]! M i' ^2 J; y - #include <stdio.h>
# x Q, [8 h/ p6 x6 n/ _( @* A, N* u - #include <string.h>" i6 Q2 S, t1 s' Y0 g
- + ^2 n1 G# j2 w" ?" N9 [
- typedef struct {
1 I, w0 w( Z$ \1 p% \$ Y - unsigned int e2prom_cmd_sub_addr;
3 m8 ]2 `# H) O& Z( ^ - unsigned int sub_addr_count;7 k1 ^* S s9 G1 P7 y! |
- unsigned char* e2prom_cmd_data;
Z2 [9 a* Y ]' W3 J5 Z1 g - unsigned int data_count;6 n9 E" p3 U' O( A2 A4 { x9 v
- } e2prom_s_cmd;: l9 j# N! r0 V( V$ u3 F5 ~
- 6 T' \: t* u" Y( c" h }+ {
- #define E2PROM_CMD_READ 1
/ j' U$ B2 s$ u9 l2 U7 c - #define E2PROM_CMD_WRITE 21 ], v# v9 `" [: m2 X1 b% u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# F9 _* v+ m4 h0 o9 p0 a - $ F) I1 D* [" ]: Y7 x7 S
- static int readparam(unsigned char *mac, unsigned char *stbid)! b6 W, [6 H4 G/ K+ k" ^
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- int fd, ret;. G% A" I. ~; ?+ V N- c8 @
- e2prom_s_cmd arg;* G/ F+ V0 L+ C$ N3 N/ b7 [
- unsigned char buf[0x18];
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8 ]6 R, S6 \4 [- fd = open(E2PROM_DEVICE, O_RDWR);
8 @# q0 p" u I - if (fd < 0) {
5 Z: G& q' [: J% U: L - printf("Device %s open error.\n", E2PROM_DEVICE);
* K# K, D0 O: K g V* N! x X5 y - return -1;
$ ?1 Z8 [% \# i6 {- ^ - }
. S1 p8 C- s, H D2 C/ {, k - arg.sub_addr_count = 2;/ g, }3 \" O3 E1 @$ K! u. [0 L o
- arg.data_count = 0x18;
A' r- p) r" M' f% G# a - arg.e2prom_cmd_sub_addr = 0x290;' s, `* m* m6 S
- arg.e2prom_cmd_data = buf;) x- d# R# G+ q' i3 O$ }' d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- F; U0 E6 Z7 K - if (ret != 0) {6 q& F' \% B; D/ }! r- o( f
- printf("Device %s read error.\n", E2PROM_DEVICE);+ i) a' B; G, |" C& b
- return -1;
3 q6 E; l4 R1 }" ?+ e2 ] - }
; x7 x9 D0 F6 c/ e! f+ ?1 w - memcpy(mac, buf, 6);
! ~" q4 T7 a8 `9 i4 G2 O* R& z$ A, M - memcpy(stbid, &buf[6], 18);
b# B+ h5 T: J' k- M - stbid[18] = '\0';
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2 b9 h. x( s: m- return 0;9 [- ^( b5 j+ M# y; ~ Q/ }- U
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- - X0 J: S; R- Z3 u
- static int writeparam(unsigned char *mac, unsigned char *stbid)+ G+ X& P& D: Y4 J- T
- {
. b/ L) [ U9 j) l - int fd, ret;7 A# M9 r( n4 i: O% u) q% L: [. o4 p8 `
- e2prom_s_cmd arg;0 ^! ?& p3 K# B- Q& S
- unsigned char buf[0x18];
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9 }7 S/ S& l( E9 ?9 G# U- memcpy(buf, mac, 6);- u8 K5 K2 `- T+ B# n0 H0 f
- memcpy(&buf[6], stbid, 18);
% ^$ ~( V/ s- E& R' [# | - fd = open(E2PROM_DEVICE, O_RDWR);
5 m9 V! ^3 V# Q% X, V( C - if (fd < 0) {( W0 D$ l, l. W7 y# A/ A8 s
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ E# C- p+ _' T9 N. }$ i - return -1;- L, K& |- _/ _7 m+ l$ a- L! H, S* a
- }
- F* X2 O0 M1 i* P1 B - arg.sub_addr_count = 2;' P4 W( R( u* C7 h. @5 ]/ _9 V
- arg.data_count = 0x18;
c3 t. k" C" P( i" @ z - arg.e2prom_cmd_sub_addr = 0x290;2 g- G# _. G' _; |; w
- arg.e2prom_cmd_data = buf;% s0 M! w, F- K- S
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg); t6 D4 W1 p+ r3 V. P+ v
- if (ret != 0) {
! N; h/ K; A" D7 R% i7 P, h- _) N - printf("Device %s write error.\n", E2PROM_DEVICE);
) f4 b. @5 a* o6 ^: _' f - return -1;
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- ( I& P9 y' _& `; Z9 c( R# z
- return 0;
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- F+ {. {: M/ E4 U8 i) T, q
- int main()
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- char c;/ w& {# ]' D8 x# S, G9 j# q) j* b
- int i, macs[6];/ F1 m, T$ p$ u# q& D( Z8 @* B
- unsigned char mac[6];
6 u; {5 O1 T; w+ v+ x7 y) J( `, n1 T - unsigned char stbid[256];
! a9 s' I+ A4 B8 g4 h8 m1 y - $ a. ]: v1 W- ]/ c& U$ P
- if (readparam(mac, stbid) < 0)
# ~/ U# x6 a' U2 Z& n Y( | - return 1;
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- printf("Current parameters: \n");
( I% U. S) \- M+ b% y7 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* {8 p6 y } d
- printf(" STBID: %s\n", stbid);% c- N. N. h3 }" K% S! G
-
, J4 @7 O+ K* G; ~3 Y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! ~4 Z4 J1 f U* z: W) o
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
`( x6 ?) `) R/ |1 B6 V: V - printf("Input MAC error\n");
$ _, Q% R; H5 y - return 1;
$ ?7 H8 w! a1 }. u1 i% T - }( v2 v0 R j! {& Q
- for (i=0; i<6; i++)mac[i] = macs[i];
& Z. Q) v C, Y5 M b# p - printf("\nPlease input new STBID: ");7 s7 `& o4 [6 M0 I" I0 p( n, I
- scanf("%s", stbid);
2 s' {' \$ `, {1 i$ m - if (strlen(stbid) != 18) {
7 ^2 D" Q5 t W( Q9 a - printf("Invalid stbid\n");
, Z# Y6 ]4 o/ }6 C- u - return 1;9 q1 S, j5 r+ }7 Q/ ^" d
- }( S3 r6 w# X+ N- D
- printf("\nNew parameters: \n");* C s: y6 [* j6 |& K, K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 g0 [, e7 N3 q1 j4 p4 h( D
- printf(" STBID: %s\n", stbid); h2 E3 H X) ~4 j0 F7 t
! S* U- M- j3 c5 u% z% {- printf("\nDo you want to change paramemters? (y/N) ");
! Y: C, A8 j1 b" b- g - for (;;) {& A M$ W" T; M0 g
- c = getchar();
# N. ?# g3 V: _* f - if (c == 'y' || c == 'Y')
9 O5 P4 `8 s, V s& Y% V: a$ L" [ - break;6 Y, @9 t5 A: f+ X [
- if (c == 'n' || c == 'N') {
# y$ G6 i% N( v, A - printf("\nAborted.\n");* T- Z0 l( f4 ~" G9 T& j+ v5 ]# [
- return 1;4 A3 V# `; ?4 ?1 C
- }2 W4 ?# f) L( Q) _8 P9 q
- }
4 Q- O2 z1 ^8 l5 a+ L - if (writeparam(mac, stbid) == 0)
' l# p; C7 B9 l% f3 R/ W1 P - printf("Parameters changed.\n");
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& B# j W. m* v- B6 G$ a0 v/ c) z- return 0;# U* {/ w9 u+ ^$ W/ Y, r) T$ f
- }
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