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。
, n% V$ w& s+ L" \需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 h( x: X* Q" a8 X2 v - #include <malloc.h>
6 R; ?1 W) m h* L! B3 v- h - #include <sys/types.h>
: p, S5 f& ?. a7 P# n% N - #include <sys/stat.h>! p6 X( ^7 @9 a7 ?
- #include <sys/ioctl.h>
+ d/ G* y/ Z+ y1 q$ \# R - #include <stdio.h>
+ |7 n- r5 j+ p$ D6 k - #include <string.h>
O% {7 I A! f% S) m; i
% i7 y+ g( J2 g. t- typedef struct {1 `( E9 n( H3 [5 E. K& e
- unsigned int e2prom_cmd_sub_addr;
. `9 u) l a5 H" }: N& Q2 M( b - unsigned int sub_addr_count;' Y* B+ i# c2 M
- unsigned char* e2prom_cmd_data;& H+ C! O$ h- K; v3 `
- unsigned int data_count;
( i/ F- q8 E3 o% s8 M- N - } e2prom_s_cmd;2 a. W R8 S1 L; W
- % g0 t! F+ R/ G0 Z* B
- #define E2PROM_CMD_READ 1
9 U" c; \+ {) |( ]: G. L - #define E2PROM_CMD_WRITE 27 o6 J' W" x6 \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! D- |( r& u( C/ l
4 r- t- f$ R% z- static int readparam(unsigned char *mac, unsigned char *stbid)- Y a- z+ Q0 n5 J3 B
- {
9 a" N$ {- w6 y - int fd, ret;
, D0 D6 m/ o, R+ _5 {$ M - e2prom_s_cmd arg;' Z/ j( f, } ~- \) f7 S2 E
- unsigned char buf[0x18];
. |$ e/ M, ]4 I; l; y, ?+ P - 0 ]. E1 o7 |/ |# q2 q+ j* I5 i' m! ]
- fd = open(E2PROM_DEVICE, O_RDWR);7 E( [ \+ R$ E. P- e$ o
- if (fd < 0) {
, {! C$ C8 g* r* Y0 l - printf("Device %s open error.\n", E2PROM_DEVICE);
. B* j. e/ |/ A8 e# n' g! U - return -1;
7 s; D N. b) P - }
2 m8 P( L: V6 u4 N: k! Q - arg.sub_addr_count = 2;
1 Y) ^% |. U. o- `' a0 Y+ F - arg.data_count = 0x18;& r# ^$ g1 ^. Y' N! t
- arg.e2prom_cmd_sub_addr = 0x290;9 l8 B2 {+ \* a4 J
- arg.e2prom_cmd_data = buf;
4 x7 W% _' s: X( k0 } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) b% y7 h; a6 c* \ - if (ret != 0) {# K, g0 p+ V4 l# _8 }
- printf("Device %s read error.\n", E2PROM_DEVICE);; W+ @: a1 D5 j+ [, S9 U! f) m
- return -1;' h; x! e% V3 ?9 g7 n
- } W7 K. c; Z9 H" J! Q: @- v- z
- memcpy(mac, buf, 6);' R0 K/ ?* m, W8 N% }
- memcpy(stbid, &buf[6], 18);
4 p7 z; w" \7 ~6 ? - stbid[18] = '\0';
5 d2 p$ }1 Y; |" \ - 0 M; j( t' _ ?1 f
- return 0;
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: w2 \/ B6 B% a6 z! X; U- static int writeparam(unsigned char *mac, unsigned char *stbid): c H; N* ]3 U
- {
L1 d; G3 p5 u: |# K: e X - int fd, ret;, M6 C4 L- o) t k
- e2prom_s_cmd arg;/ j5 M& x; Z' p. V4 n4 F
- unsigned char buf[0x18];" P$ _: c" u9 ]4 ?) z# h% f' I
- & I. f2 ?2 F" o% A7 {
- memcpy(buf, mac, 6);. y: W% r# w6 T4 j$ g0 G* Q1 ?
- memcpy(&buf[6], stbid, 18); H/ E3 B1 ]! D$ @! u
- fd = open(E2PROM_DEVICE, O_RDWR);
. x: L7 u* X% L; L3 d3 q0 ` - if (fd < 0) {3 r$ [5 a1 b+ J4 Z
- printf("Device %s open error.\n", E2PROM_DEVICE); v$ V. _$ P4 I+ O( y/ H8 A
- return -1;$ i l$ A0 \% u* z* M/ R
- }
3 ~0 q6 x9 }' U - arg.sub_addr_count = 2;1 c' e" {8 D5 J% Q* @) O" Q
- arg.data_count = 0x18;
3 b" r) e2 t7 A5 @. z - arg.e2prom_cmd_sub_addr = 0x290;4 R7 O2 M: x. P* W' Q6 m! o2 E) ~/ {
- arg.e2prom_cmd_data = buf;
, s% N! `# u2 e& k+ N Z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. u* ]; M* S9 l A8 s2 w! l$ G" t - if (ret != 0) {% ^/ B5 q, `0 t" @% v' `
- printf("Device %s write error.\n", E2PROM_DEVICE);9 ~" b) Z# e$ h4 u* k
- return -1;4 ~) A& \. V" L- ~6 [, ], W9 Y1 U
- }8 ]. a' R' l; R$ |+ [ o
- ! j3 R @% [ [$ m
- return 0;; F$ a* i6 M+ r/ }' }
- }* w5 v. K, \& F. i/ [" L" n
- $ ~1 x B! S M% V0 Y: t; r2 Y
- int main(); S# K* C! P0 E% _. U. {2 t
- {% X* M0 x1 P Q: F, {
- char c;* z8 A6 [' b/ Q9 _7 H5 ]& A+ @
- int i, macs[6];
1 R& }9 u. u y$ L- ` - unsigned char mac[6];% {. d0 ^1 Q, ^* q3 u8 a- S2 a, z
- unsigned char stbid[256];5 x8 l0 q" |9 J- L* K. k2 t }
- ' Q0 S2 o/ v9 n/ a. Q
- if (readparam(mac, stbid) < 0)" E) `* O2 e* J N0 {* \
- return 1;
& l+ r7 W! u9 U - , r* R. p j2 B* h' O& Z5 C4 c0 _1 J
- printf("Current parameters: \n");
+ m3 M, T1 j8 ^6 X: h( `- D+ U @) a% [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 U3 T( L; O7 q' s g4 Q3 i - printf(" STBID: %s\n", stbid);' Z4 ?) H0 m3 b" G, s. }
-
5 A3 z" H+ y" M. \( p - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ f" R% |2 b# D( T! b0 ?
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& e U+ G1 w/ {7 q+ O% _5 N8 a( `
- printf("Input MAC error\n");
& y( o4 p0 a: K) H - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
C0 J0 d1 k- R m - printf("\nPlease input new STBID: ");
) N' ^* [1 I( Q, u* V0 s. P& ?/ ~9 x1 b - scanf("%s", stbid);
# p/ {; Q0 G- H - if (strlen(stbid) != 18) {6 x6 u1 C& h/ k, M' K
- printf("Invalid stbid\n");1 a' _1 J- K$ v- h! f
- return 1;0 l7 b" y+ B% d; `; L
- }1 q7 q" O$ C+ N5 J
- printf("\nNew parameters: \n");1 e6 Y* @% k$ _) @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: J' y! t6 x, W, ]( J6 P
- printf(" STBID: %s\n", stbid);( ]8 `1 A8 _/ j
1 C6 i& o! p. e N3 N4 c- printf("\nDo you want to change paramemters? (y/N) ");* [% T4 n) [- _) {
- for (;;) {! n% Q/ j! p/ j% n( k8 M: H
- c = getchar();5 g4 k" Q( J( u) V
- if (c == 'y' || c == 'Y')& L- L" ~+ o. t2 y% z1 Y
- break;, w- A, D, \2 G( Y: C
- if (c == 'n' || c == 'N') {
! ?) ?) k" f, K - printf("\nAborted.\n");
7 T) t! K5 b, F) b) H - return 1;
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- }
& K7 T, e: K% X( d( C$ X - if (writeparam(mac, stbid) == 0) 5 a3 |' ^% N/ O: I% s$ }+ y. m
- printf("Parameters changed.\n");4 S. ^ E0 e0 x/ R
- % q2 q, C' G) h. ]: H% _' a) r
- return 0;/ b) i" B: t+ g3 V1 X0 s
- }
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