本帖最后由 0522 于 2012-3-21 23:04 编辑 . ]6 x$ q2 g* k9 h' Y) x, C
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修改的代码早有了。到今天不会编译。
( S0 k1 _8 T! Z1 E需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: j4 [6 g% ?$ p! Z6 p1 p! h( C - #include <malloc.h>" X- G: k9 g+ j: h
- #include <sys/types.h>
) ?5 }) e% A: S# t5 G& @+ T - #include <sys/stat.h>) N3 d1 q% h9 N$ k# U
- #include <sys/ioctl.h>9 h/ J* s6 e% D5 A" j
- #include <stdio.h># a/ z8 k# B( h6 Y# ^% R+ p
- #include <string.h>6 Y5 P2 k7 R& p8 c+ Q2 K
5 p8 ?8 W% v" G3 ?& y/ N- typedef struct {- t8 C" p% X4 f% V: [$ O
- unsigned int e2prom_cmd_sub_addr;
- m7 c6 C. H# i - unsigned int sub_addr_count;
\" @' B2 k1 r - unsigned char* e2prom_cmd_data;
2 q! E' R; c1 L# i# Q! W; v5 F" ^ - unsigned int data_count;' w- B2 B, A4 w8 }0 J {) Z0 F
- } e2prom_s_cmd;
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' {5 m! k! q. B- #define E2PROM_CMD_READ 1
* z! e5 A9 T) ~( r - #define E2PROM_CMD_WRITE 2! F3 h h9 \& D/ Q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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* s! D& [3 O; U3 d/ z3 M4 r- static int readparam(unsigned char *mac, unsigned char *stbid): H+ H, S! A# q, G3 C4 |+ B1 }
- {' [ i( O8 _( _( F6 }2 }
- int fd, ret;
' G8 m2 L0 d# {1 P/ L6 Y - e2prom_s_cmd arg;
% ]7 v5 _& N ~& D# Q$ D/ W - unsigned char buf[0x18];, ~! u* m8 E4 `: O O) V! v
- - O! w& D, h% K. i! q
- fd = open(E2PROM_DEVICE, O_RDWR);+ w1 G0 c" p7 k7 t
- if (fd < 0) {
4 x, y- X; }9 |6 } - printf("Device %s open error.\n", E2PROM_DEVICE);
% c X3 s: w6 N* I - return -1;
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- arg.sub_addr_count = 2; J; x1 }7 Y" W- s- K
- arg.data_count = 0x18;
2 i+ U* u) U: t3 A5 Z - arg.e2prom_cmd_sub_addr = 0x290;
) q) G! l) M0 W" H3 x# J8 d! j, A, ~ - arg.e2prom_cmd_data = buf;
; R0 ?/ [9 {' S- } - ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 ~5 @' I. m/ Y$ _1 f
- if (ret != 0) {1 H: D4 `0 N0 n) U! @" i
- printf("Device %s read error.\n", E2PROM_DEVICE);; i) X, N C: p
- return -1;
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- memcpy(mac, buf, 6);
7 L9 H! Q! h5 W( x8 ^! ~ - memcpy(stbid, &buf[6], 18);
5 D1 V b# M8 ?3 L n+ `3 U* B - stbid[18] = '\0';/ P0 L! f$ {/ q1 R8 W6 s1 w
- 4 m& t+ \* j, [
- return 0;1 L+ C' ^* z- _( ~" W9 q
- }( v H$ X, l, G& N0 r
3 C7 ~$ P/ A4 j0 `9 q) F1 y9 y- static int writeparam(unsigned char *mac, unsigned char *stbid)
* \" f$ x3 I- J - {
, K X; a9 h9 B. _% J - int fd, ret;+ @8 ]- _, _+ v4 j2 `! J
- e2prom_s_cmd arg;
( \4 Z( Z6 z- W( ? - unsigned char buf[0x18];, g: U% c: m, n3 X4 O$ q8 }
- ! {! z# b, f9 ^; m
- memcpy(buf, mac, 6);
; r0 l0 B, |. H* |) N6 s2 g - memcpy(&buf[6], stbid, 18);6 S; P' u/ O: u! `8 m2 P+ i
- fd = open(E2PROM_DEVICE, O_RDWR);. }8 J+ v7 y5 B
- if (fd < 0) {" j, X7 y! p7 N0 {: K- L
- printf("Device %s open error.\n", E2PROM_DEVICE);/ \- O9 n7 P& b. |) x- G. }
- return -1;+ L) H: F( g. m* q
- }: K0 l1 }; Z& \# C
- arg.sub_addr_count = 2;
7 v2 p G: f9 \7 \* H, S - arg.data_count = 0x18;
! _& g' H. M+ o7 K0 d7 T - arg.e2prom_cmd_sub_addr = 0x290;" ?, Q% k/ @6 o# C9 s4 F
- arg.e2prom_cmd_data = buf;
& X6 u8 Q/ V$ A" t/ U6 I6 G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
g' T" F8 {+ _ - if (ret != 0) {
; T/ K9 o3 L3 C0 x6 {6 }: Y - printf("Device %s write error.\n", E2PROM_DEVICE);' T# y4 q$ [8 a% l& q- n; V
- return -1;
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$ B: F: c5 i* f! J- B$ ?# S0 K- return 0;# }% z7 s: E9 Q
- }
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" J/ e8 x" `2 ~+ M: G6 N- int main(), Z+ W8 H, m0 w- k* _. O
- {
, \9 u" J) W. V( L9 k; s+ f2 s* Z - char c;
8 S& w, e, L6 R" D- X1 m# Y - int i, macs[6];7 j. O& L6 ^* n8 l8 v6 M
- unsigned char mac[6];2 {4 \! y5 c) }" d6 V
- unsigned char stbid[256];
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5 j2 _, V% H; D7 A2 p! m$ t- if (readparam(mac, stbid) < 0)
7 L% |9 {4 u. |) D - return 1;5 O o A& @0 w$ x8 c/ B
3 t- ^2 K: y# Q2 d6 b- printf("Current parameters: \n");" n# u+ z. u7 q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( z) O! S2 [ S: K/ Q, G' j- e - printf(" STBID: %s\n", stbid);% a8 R* w# ?8 b
- 3 q, J2 \0 @: ^1 E9 V
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 g0 v) R' ~: ^$ p0 J& i. E, I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 R! e0 ?) s: D0 k
- printf("Input MAC error\n");
) E7 X, }+ L0 B - return 1;$ M q# w$ s; K
- }8 T3 O. {5 ?4 Z1 n2 n2 E
- for (i=0; i<6; i++)mac[i] = macs[i];
1 K5 K; X8 ~2 q- F; V' z - printf("\nPlease input new STBID: ");. h- S8 C) e* a- [* n) r! a+ s
- scanf("%s", stbid);
. E2 i& p/ Y/ r. F9 a- ` - if (strlen(stbid) != 18) {
0 z2 f* u) ?5 b" {- \ - printf("Invalid stbid\n");9 `+ Q, h$ f. b8 G
- return 1;! ^$ S+ m. [* e6 k4 I
- }
) J. a4 I }" m; y% g6 }1 H - printf("\nNew parameters: \n");
$ w' T9 O3 Q' H6 e5 `9 r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
b5 O* {4 Y/ v0 ^) g% Q2 ~6 ~7 Q - printf(" STBID: %s\n", stbid);/ c9 Z! l1 B; ~6 K. L
- # \( c8 F1 u5 G1 ~
- printf("\nDo you want to change paramemters? (y/N) ");
" ?1 K3 ^8 @8 R3 y1 y - for (;;) {
" G+ I$ P" `5 L+ o$ o# j - c = getchar();' |; \, x6 B. t' T
- if (c == 'y' || c == 'Y')
$ a) h* V; v1 b# b @* q0 y S - break;
' a2 K7 O6 M0 F, w' B6 c - if (c == 'n' || c == 'N') {
3 v5 y" J" H0 d - printf("\nAborted.\n");
6 w# K0 s% @& y$ R2 L% R - return 1;- e1 V& d& e. z3 p2 I
- }
) d8 o# c( y& o& N - }
0 u$ {: q$ N L: B+ W6 { - if (writeparam(mac, stbid) == 0)
6 R K0 {7 a& c, D* t - printf("Parameters changed.\n");4 [' \1 X0 |& Z7 L- B9 [0 g _! i# W6 i
- 0 |7 p! w! Z2 V" y- _! S
- return 0;
! |: y9 ^- w$ Z - }
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