本帖最后由 0522 于 2012-3-21 23:04 编辑
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! h' b8 l. \" I修改的代码早有了。到今天不会编译。
5 V) G' {+ M3 J! ]& M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 I. e7 j& ]. A# Z5 \) i2 N - #include <malloc.h>
2 G7 @+ z0 {' B8 ^) C' d# R! H - #include <sys/types.h>
+ D# s5 R# C9 L7 N. l7 D M8 L7 l - #include <sys/stat.h>
7 e3 K6 y; R. L6 T z& j) k+ L - #include <sys/ioctl.h>
$ Z+ i+ L4 \' {& Q' R, H - #include <stdio.h>0 D$ @1 j6 a5 w7 h6 I8 Y& l) x
- #include <string.h>% Q! r8 G" m$ e0 o, U
- . k- U9 |+ s6 [. r# H
- typedef struct {
8 }6 K, z8 D3 {! L - unsigned int e2prom_cmd_sub_addr;7 ~* q1 q! v4 H& l/ d: R
- unsigned int sub_addr_count;# ]6 M) V( ?$ z8 Z! j4 | Q
- unsigned char* e2prom_cmd_data;
1 C# h$ ~6 j9 S# M, h - unsigned int data_count;
9 d( C2 V2 [: x# i - } e2prom_s_cmd;- T+ m9 i9 D- o; m: W( I6 y
- 7 a/ ~, G6 ~- H1 \$ T
- #define E2PROM_CMD_READ 1
3 D3 U3 M" q' c - #define E2PROM_CMD_WRITE 2
p7 {0 n$ R p' M# m j- p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)1 Z9 u. [) h' r3 N0 w" D
- {
! E* N0 ]8 Y0 x7 g3 t - int fd, ret;
7 g$ t- ~, b5 j+ g - e2prom_s_cmd arg;
: B* ^; g" W; l8 G. i, _) ]& J' P - unsigned char buf[0x18];5 F7 p8 A& s2 P5 R! Q# o
- . K! f, B9 z7 I" l' Q6 \' ^
- fd = open(E2PROM_DEVICE, O_RDWR);8 k( n& F4 m# e$ Z
- if (fd < 0) {
d' k' W4 B% F - printf("Device %s open error.\n", E2PROM_DEVICE);0 {6 a9 c* q# W/ i3 m2 x) |
- return -1;; s, }! k2 p# E1 x: ^+ z
- }
+ ^3 W# b" ~5 _. b - arg.sub_addr_count = 2;( ^3 e* ?) l& r; ?. g
- arg.data_count = 0x18;3 X& R& g/ W4 B* B9 l
- arg.e2prom_cmd_sub_addr = 0x290;
) X+ w6 p3 s9 s" S' Y6 _3 @ - arg.e2prom_cmd_data = buf;9 G8 S/ K* F2 r0 g6 V3 f- s4 g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. z; Q1 |+ _: m2 i. t5 @' m - if (ret != 0) {
$ }& P, ?; Y) p3 g - printf("Device %s read error.\n", E2PROM_DEVICE);$ q6 M: z3 N! O
- return -1;
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- memcpy(mac, buf, 6);1 c G: x* g7 t1 u: s3 t$ N& ^
- memcpy(stbid, &buf[6], 18);
" p) U2 R1 R5 k - stbid[18] = '\0';' p5 z2 Y: S7 j1 r+ l$ K
- ) t# T' m+ B$ M3 Y
- return 0;
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- / h+ h a9 P2 G1 R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;0 t; e( W2 n. V% V- W
- e2prom_s_cmd arg;" j+ N+ B3 [- o6 S5 }6 `0 C
- unsigned char buf[0x18];
9 r& z$ R" h3 d: y- Z! o5 N - ; v N; [: S6 M N* S1 [8 {
- memcpy(buf, mac, 6);
) r& H; ]8 V: C* ?( z9 P. ~* g - memcpy(&buf[6], stbid, 18);
2 A: L8 M% X; O- j3 s2 p/ p - fd = open(E2PROM_DEVICE, O_RDWR);
! W) f$ x5 u8 r/ a5 l3 E, G/ T/ U - if (fd < 0) {2 P- \& t/ _3 |0 _/ T
- printf("Device %s open error.\n", E2PROM_DEVICE);+ }% o& f3 I, {1 H
- return -1;8 i9 s$ a9 Y2 o
- }
0 Y; J( A" p4 K' f: t9 w0 D - arg.sub_addr_count = 2;; G8 Q0 s- M+ E2 E% B
- arg.data_count = 0x18;
9 O5 y% a- L, z7 a3 f+ l4 b - arg.e2prom_cmd_sub_addr = 0x290;
' B6 v' V. }& h - arg.e2prom_cmd_data = buf;
7 K! n$ S2 Z2 s/ W; F" l - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 X7 c9 }& w; @, R1 Q B% R
- if (ret != 0) {! H# t# F7 _6 U A0 L8 n
- printf("Device %s write error.\n", E2PROM_DEVICE);! d. B( b4 u7 \& i' c! {7 C
- return -1;# G* J% d9 \: E' y
- }! y4 a" t5 B1 L \2 g
- 6 d. N% a4 ^% d! s' \2 d% v
- return 0;
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; ?/ W- Y$ ?% W) B; C' A7 g" p- int main()- V2 S" O/ _8 L+ }' j! k5 X I
- {
8 ^8 |& F. U3 J% k! X - char c;; V: h% _' B) _7 P+ f
- int i, macs[6];1 C1 L* G0 |5 c5 j
- unsigned char mac[6];& ?9 U+ I9 `6 s
- unsigned char stbid[256];7 v0 N6 D! y; [0 A- y8 G5 M* I. v
; K' @8 c8 e' I7 N4 y, c: J$ s+ ]- if (readparam(mac, stbid) < 0)
J4 Z: _; \8 Z1 H - return 1;! Y4 w3 W2 c( G6 u! H9 J; O' S+ W
, l+ p* A2 Z7 @( Q5 J3 A- printf("Current parameters: \n");
# I7 e7 }' s( m' m, |1 q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ }2 D2 f. t% X) p: q! C3 V
- printf(" STBID: %s\n", stbid);- p& h9 Q8 I4 ?' c2 \5 e) B
-
& _- n% k7 C" f1 O6 Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& ]6 s. }1 X0 `7 x7 n, P, e7 g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {6 j( d8 v9 T0 f6 g, {
- printf("Input MAC error\n");, ^) z7 {% e$ V0 t" {, G9 F
- return 1;
4 P! c8 h k' v! h - }9 W( `: r2 I6 U- U* W
- for (i=0; i<6; i++)mac[i] = macs[i];
5 n! r# R/ ~9 s |9 R( P3 x - printf("\nPlease input new STBID: ");( z- c( K. h' Q5 c" |
- scanf("%s", stbid);
: L& h7 q3 d( _) W8 ? - if (strlen(stbid) != 18) {
$ ~& a0 m S8 o3 W) P( a% B - printf("Invalid stbid\n");
' l3 C6 P. W) ~; j# } - return 1;) m4 f+ s O0 `: s. S- n
- }' g& ?! u! t* i
- printf("\nNew parameters: \n");; E1 h' O* L2 `6 F) p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* s3 o) \$ l" E; V - printf(" STBID: %s\n", stbid);& a1 K! ]9 k. K" a3 \# {
- 6 [# \+ _) R- M& Z. J' @9 z7 n% S% X# v
- printf("\nDo you want to change paramemters? (y/N) ");
' J6 t. |" Y3 U& V) Z - for (;;) {
8 V# u# @. F0 x5 ` e2 ~6 V - c = getchar();8 H, z3 G1 t& e8 v
- if (c == 'y' || c == 'Y')
4 r x: c/ T ~# ]/ `, _ - break;
6 Z% F1 T$ Y, T - if (c == 'n' || c == 'N') {" V, z, |9 i9 q+ s( d+ G" j
- printf("\nAborted.\n");
7 S, u9 m& Y6 K - return 1;
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- }9 E3 h, `% L3 i' g, J5 r5 _
- if (writeparam(mac, stbid) == 0) ' M0 N* V8 L+ b* g. {) p/ Y) H
- printf("Parameters changed.\n");; s, d7 _" c* V0 d9 k- h6 o! I E
% Q% _7 U& D' _, t- return 0;; \' x3 ]! L7 ?0 H9 F* l o v" C
- }
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