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。
7 c, Q+ u8 p; B+ E, M4 ?7 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# o, H8 P# `( `9 H" F - #include <malloc.h>3 F2 v& Z7 Y! T: }/ @) b8 d- q
- #include <sys/types.h>
2 J* U Z1 a& K' n0 N( o - #include <sys/stat.h>
: ?( r; \, e! W' Z" z - #include <sys/ioctl.h>" F# R1 ?' u+ T8 i
- #include <stdio.h>& Z1 O; Y+ @! K
- #include <string.h> K R4 j. Z# J% t( m4 M
`! A. r% W, p# p- typedef struct {2 [2 X$ U3 a. |
- unsigned int e2prom_cmd_sub_addr;
0 z( S0 ~$ p6 F0 {' [7 i# Y - unsigned int sub_addr_count;" L6 Z# b+ `! b
- unsigned char* e2prom_cmd_data;. S! |( ]% D9 c4 Z, q9 A
- unsigned int data_count;- K1 [5 p6 Z2 T/ k4 Y8 M8 z! r
- } e2prom_s_cmd;
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* h7 I# E" V0 h/ ]' W# P! i2 g- #define E2PROM_CMD_READ 1
# M) o# Y8 V+ F$ N3 j) a2 T: R - #define E2PROM_CMD_WRITE 27 l' S1 u' x: X' A( n1 X7 I' ~
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)# K. A; {8 e! r& b) d
- {$ j+ ` J; Z( k/ i( Y
- int fd, ret;
+ Y' i. X4 }3 |% y - e2prom_s_cmd arg;
0 C; q% t/ |& p0 |9 @0 } - unsigned char buf[0x18];
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, H, O5 n& ]) S; J* B7 F- fd = open(E2PROM_DEVICE, O_RDWR);7 b5 d3 ~9 s' {$ @8 M/ p
- if (fd < 0) {
7 h. ^+ @, E# [ - printf("Device %s open error.\n", E2PROM_DEVICE);2 f; H! ]# s& W$ [$ l2 L5 a- M
- return -1;
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- arg.sub_addr_count = 2;% {& V$ v# t, B6 v7 @) a- H
- arg.data_count = 0x18;
, {& v6 F8 P) X+ |9 J+ R - arg.e2prom_cmd_sub_addr = 0x290;: n) ^0 V% k( ]- z. @
- arg.e2prom_cmd_data = buf;
( p7 q0 o" p, E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 m. U D& j# P/ b) N - if (ret != 0) {
. Y* C4 J [3 S: z* e) \) E - printf("Device %s read error.\n", E2PROM_DEVICE);
, ~. w: ]8 V' V/ H1 w, c; Q7 [ - return -1; j1 }- u, K* L
- }
& o; g6 S4 _ |- G4 _+ i" i1 }; v2 F - memcpy(mac, buf, 6);
1 q* X3 b* V- ?+ m. k" n: G W - memcpy(stbid, &buf[6], 18);# ?+ z. T F" @1 a
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)0 K7 L4 z8 d8 L# ~
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- int fd, ret;. ]+ R! `7 \) ~8 G
- e2prom_s_cmd arg;
B) n: n' w; O9 d8 c- s5 [0 ` - unsigned char buf[0x18];1 _- k7 @$ r+ E$ d- C
+ [ [, p( s9 l1 E) S0 B. D# B- memcpy(buf, mac, 6);
& x% D% e6 k9 B- | - memcpy(&buf[6], stbid, 18);
- [: B- s H' s. B' e$ ]& p* U - fd = open(E2PROM_DEVICE, O_RDWR);. D4 G9 c, F! z* B4 i
- if (fd < 0) {
3 V4 `$ a3 u: @" n7 G - printf("Device %s open error.\n", E2PROM_DEVICE);
, ]7 O) e8 Q1 Q6 ?/ w8 k5 o - return -1;9 s$ T; M; a0 A$ o0 ?2 j# X
- }( B& T/ G- B o/ n+ y
- arg.sub_addr_count = 2;
/ K/ \0 ~1 E: D9 T7 b - arg.data_count = 0x18;# j- j- a2 l* g j+ x- @- B
- arg.e2prom_cmd_sub_addr = 0x290;
, k* p. B+ h0 K( K% R9 f - arg.e2prom_cmd_data = buf;
7 V& x }* N ~. l( E - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ q( g0 ]5 V$ x+ Z6 ^1 w1 N
- if (ret != 0) {* b+ b; m/ `, h$ f% E; r; w
- printf("Device %s write error.\n", E2PROM_DEVICE);/ Y& g+ L% `+ L/ B
- return -1;
% _( j! K8 G: _+ I6 n( p - }
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7 @+ e% Z* ?4 j/ q( T- return 0;8 y* q; K6 T4 {: H0 }& I
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5 ]9 c$ |+ n' G, F! a( f/ ], Y- int main(), A q' `! I, R: e/ G
- {
2 f# e0 Y" R0 [$ j+ W- E - char c;
4 l2 o( w$ B0 {+ S - int i, macs[6];
7 A8 q0 I0 Y8 m5 n$ C' B - unsigned char mac[6];
; S- ?) C3 J: c& g - unsigned char stbid[256];
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2 L, t1 C. T. K/ ~+ c- if (readparam(mac, stbid) < 0)
( `; W( [) m r+ @$ p% u - return 1;
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- printf("Current parameters: \n");5 F0 @& _/ u$ U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' _) l- D' C# K5 t - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ P3 l0 M0 ~1 S$ L9 N, \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) w0 J: S9 O6 G0 V9 J' n6 v7 Q - printf("Input MAC error\n");# S& P, |0 Z' m* u" w" y" K4 e
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];6 \# ?6 K4 I1 f; p6 B$ M3 T/ H+ N
- printf("\nPlease input new STBID: ");* }" c% k! ^0 t$ T7 w$ ~
- scanf("%s", stbid);, S' Z9 m0 A; w" C
- if (strlen(stbid) != 18) {: @' b9 ?) O8 x& r
- printf("Invalid stbid\n");
% p7 B" s% G- H( D) p W - return 1;
5 H( { I: W# p8 u. A: X; c- H0 w - }
# q* T/ l* _: u; b c# c+ \) O7 D - printf("\nNew parameters: \n");; ^) E5 b9 x0 ?/ W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. S: L/ i! l" x; K; S$ u T# w
- printf(" STBID: %s\n", stbid);
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F7 H7 t/ f; k$ s! Y, Z F1 o- printf("\nDo you want to change paramemters? (y/N) ");4 Z- v& _( R6 B5 T) G7 ]8 c
- for (;;) {; \, D' P. I+ d; m- J
- c = getchar();
" {$ \5 o% Q* P - if (c == 'y' || c == 'Y')
2 Y. d6 N% k4 `7 j0 W9 ~! M$ F - break;! o) o: t& c5 ^7 p! ] N3 O
- if (c == 'n' || c == 'N') {
0 M D2 _( q+ K$ U6 ? - printf("\nAborted.\n");( T; }3 l- V' H2 s! \
- return 1;
% Y2 N6 [9 _* n j7 r, x; [ - }
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- if (writeparam(mac, stbid) == 0)
. j6 L( R) g- F - printf("Parameters changed.\n");3 \5 C4 l" p$ b5 V- c2 L) M& L
# G b+ L" {: w. X- `7 e- return 0;
7 i- q4 J+ R4 i5 M/ ^; e7 G - }
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