本帖最后由 0522 于 2012-3-21 23:04 编辑 - Z& p8 | L: ~9 @- W& H: I; `
; |- R: r w5 ?, x/ [# c/ k; j修改的代码早有了。到今天不会编译。/ a1 r4 Q* m4 B; ~$ X( u% t5 k9 r5 u. G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
J- ?0 g, Y6 A - #include <malloc.h>' f$ ^! O8 Z( P- K, O
- #include <sys/types.h>4 M! `4 J9 a; q5 i
- #include <sys/stat.h>* `+ |5 r& `3 x9 X
- #include <sys/ioctl.h>
/ f3 K* M! |( a, ?* `: H6 @) Z& z - #include <stdio.h>
! ]8 L8 u, W1 C$ K3 R1 b9 Q7 b! l - #include <string.h>
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- typedef struct {8 g" v! I$ \1 l6 o5 J8 ]3 W* |" |
- unsigned int e2prom_cmd_sub_addr;
3 z/ ]7 ~9 J4 [3 h# U6 p+ v - unsigned int sub_addr_count;4 t, ?- \ Z4 N* v* v) U w$ c9 \' N! ^
- unsigned char* e2prom_cmd_data;
/ V* |1 |& J3 j - unsigned int data_count;
4 N) A8 y( l7 l) ~7 H - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 12 Y) S! H: L0 |$ Z I$ z
- #define E2PROM_CMD_WRITE 2
5 _- w6 {% \1 h# }; M% E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ w+ S# N* f" I( d
- {. L+ l5 o8 o6 u, f6 s
- int fd, ret;1 y' Z$ \& {, u# ? U! ?& i3 A: g
- e2prom_s_cmd arg;
& n# `% T1 y) v% r/ g' o - unsigned char buf[0x18];6 s* |/ a) z7 W/ i5 z/ r
- 2 T& }: `# _# u( F
- fd = open(E2PROM_DEVICE, O_RDWR);
2 S) [/ D0 z% O: f Q6 T - if (fd < 0) {' a0 M: L# I/ p/ g |# ?. @
- printf("Device %s open error.\n", E2PROM_DEVICE);
! N- _0 N0 }1 `, Q, i - return -1;8 c8 O7 x, R! c- l. F* u- V1 A
- }
3 U7 Q5 e2 t( A) D( [8 E$ { - arg.sub_addr_count = 2;
; o8 S+ @) _! Q+ N - arg.data_count = 0x18;. o+ h+ {3 L# B" ^
- arg.e2prom_cmd_sub_addr = 0x290;% {: e7 C( ?- ^$ N
- arg.e2prom_cmd_data = buf;
+ `% M2 b) Y3 C( ` W - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 ]( y' D2 G4 S; F8 X; R - if (ret != 0) {8 |% Y7 ~6 [1 L6 E; [4 J$ R
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 h6 H1 {' K7 E) S - return -1;
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- memcpy(mac, buf, 6);
4 Z* y) |3 ?6 a5 ~$ C0 e! g" K - memcpy(stbid, &buf[6], 18);: d* H5 \) l2 p, |
- stbid[18] = '\0';. I( b* G1 t5 [; k( d. n0 c% t9 k
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- return 0;
7 ~* K( U! t% h - }
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' _ s- x; O8 v) F2 W2 r8 x% w" U- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 L9 I- h1 d$ _4 B O' {: } - {
7 U; H9 }6 P' B% y: }+ e8 @4 P" n - int fd, ret;
1 x6 K0 p( u7 p4 r - e2prom_s_cmd arg;2 g3 r1 _$ y) r; A
- unsigned char buf[0x18];* P- i4 f" a$ t, z/ h' r# u! r
7 x" w, L* B2 e) S) f0 h/ w- memcpy(buf, mac, 6);
$ K* C, {4 e! } a3 M9 d - memcpy(&buf[6], stbid, 18);
8 k( v1 M( c7 i4 L - fd = open(E2PROM_DEVICE, O_RDWR);
' ?% n6 y/ w: f C0 o% J" c$ V - if (fd < 0) {
& A0 j( `5 G: t - printf("Device %s open error.\n", E2PROM_DEVICE);
, G* u( J, q: w7 p. ~5 H. y$ K - return -1;2 {8 K3 o5 c* x8 U) d% ~2 t3 R
- }' b* x0 x' ]+ h& P5 D
- arg.sub_addr_count = 2;0 F9 a; R! `1 Y
- arg.data_count = 0x18;0 R, v% A+ r6 T( f& H
- arg.e2prom_cmd_sub_addr = 0x290;/ }# c# p6 J3 @! z. {
- arg.e2prom_cmd_data = buf;1 ~# U9 q2 e8 _- @4 K# X; v3 |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 D9 I) Z( q [4 X
- if (ret != 0) {
. q5 v% G" K' N, S0 j, Q' G - printf("Device %s write error.\n", E2PROM_DEVICE);
8 R8 Q# C& g: ?9 @% K# F; f y( V* s - return -1;; a& h: `7 v) [/ v
- }! V x1 T$ v( G8 }
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- return 0;7 N# ], i# x( ?( T L
- }
2 L) |# B$ k( I! S5 C
; m" k. s! q) \* V4 E- int main()% P" @* |9 a2 @4 }
- {) A6 U8 q% X( w' Q2 q& ^9 v' C
- char c;( c$ t. q `2 b! T( g& v
- int i, macs[6];; D" S; z- @ D) i
- unsigned char mac[6];% b2 ^: p9 S6 S7 z6 ]
- unsigned char stbid[256];
# s% t3 b3 |: T! G6 R# o) j - # u0 q9 `6 ~. z# C/ G6 V" f
- if (readparam(mac, stbid) < 0)
4 S+ ~8 T* Q5 t2 J4 \9 e& l+ _ - return 1;& `; y( f1 o1 s3 J
/ n8 J& ?; b m7 o- printf("Current parameters: \n");& @8 x( P& W/ u1 E* F; M$ c, y9 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}2 d Q) d( n2 k( D s1 `& T- a - printf(" STBID: %s\n", stbid);) N3 a# ^+ f0 T2 Y
- ( K. q. y0 V5 H8 @/ a0 Y2 m) v
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 r" g: n ~1 [. Z9 y2 v: F
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) u8 U+ L( Y: @ - printf("Input MAC error\n");
. u! v6 p; d- e2 j7 J - return 1;8 l2 e6 W) S7 {1 t
- }
/ p, m' O3 @0 Y! @. U/ I' q% S+ x - for (i=0; i<6; i++)mac[i] = macs[i];; L' l9 X. k! Y& Z2 K. L0 n. b
- printf("\nPlease input new STBID: ");) I1 k4 t* g0 o: y$ ~) T
- scanf("%s", stbid);
* [ Y# d2 v, w& u4 j9 x8 l% { - if (strlen(stbid) != 18) {9 X; {/ B$ e/ e2 `+ M; {
- printf("Invalid stbid\n");; {4 w1 H9 Z% L$ w6 g
- return 1;+ j$ s( a( B% G3 x- U% ?( ` Y
- }% w6 M: G5 }) H' g0 p0 j0 e
- printf("\nNew parameters: \n");( N& c% |) d! b+ X; d' i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- r9 W! a( C/ ~" a) c$ |9 Q
- printf(" STBID: %s\n", stbid);
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: B, [4 A& e) o4 B# a' r7 [& R; @- printf("\nDo you want to change paramemters? (y/N) ");# z: C k& K# |/ Y2 Y- V
- for (;;) {9 f1 n2 u. Y8 R0 b( T/ Y
- c = getchar();2 Z4 }! r4 B2 |+ s, n
- if (c == 'y' || c == 'Y')/ L- _4 O7 R1 \. {
- break;
+ `, [3 p) R/ `- G7 k# [ - if (c == 'n' || c == 'N') {! G! o* b, R8 o
- printf("\nAborted.\n");" C4 Y( O' n* y, N6 m" v
- return 1;4 e% e; z3 a+ F) L* X8 M& Z
- }0 I7 Y3 z* \7 m4 U0 R# K$ O9 S. [
- }7 L! P* ]: C2 W" P$ F) Y! a
- if (writeparam(mac, stbid) == 0) ( v" ^) L* M+ f: ~
- printf("Parameters changed.\n");
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6 d9 e! |" V; S5 r- return 0;
9 H; {8 ?" x& j0 r - }
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