本帖最后由 0522 于 2012-3-21 23:04 编辑
, B, q/ a/ G1 _& e1 P# a ~$ }3 b* ]) ~) M( Z
修改的代码早有了。到今天不会编译。0 H! r$ m) H4 C$ q$ p0 r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 ^# A/ k9 |2 P* O/ D
- #include <malloc.h>% @# ^! o( E! U' v/ \
- #include <sys/types.h>; p! I- Z# z. t4 @ f0 Z6 l
- #include <sys/stat.h>
; ?( ]$ J3 k/ d - #include <sys/ioctl.h>3 K! B6 W. u S( H' v% C
- #include <stdio.h>
. O2 j- V( w/ E- s; L - #include <string.h>
: Y# e3 m/ b0 F8 H
/ I# Y( O" T! `, t: ?2 ?& t" a9 J- typedef struct {
1 s- i, u! l! ? U - unsigned int e2prom_cmd_sub_addr;- H# l3 s7 x' p8 T# O" g; V
- unsigned int sub_addr_count;9 l6 |5 ^0 q7 T/ @
- unsigned char* e2prom_cmd_data;. S( V9 n- q& V0 y' c) p
- unsigned int data_count;
1 M" \7 m7 Y9 i - } e2prom_s_cmd;
1 x, @# D5 w. ~ K( f: Y9 L - " B7 t( G+ K9 Y0 M
- #define E2PROM_CMD_READ 14 `0 x, E7 G n- A
- #define E2PROM_CMD_WRITE 27 j3 N" Z7 R, x' {( O- v% h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 x* P! S- y, E2 [- l8 j+ V! C _
- 7 A5 i# @3 s p( n4 d. ]
- static int readparam(unsigned char *mac, unsigned char *stbid)% z! z) Y- Y" J0 M5 k
- {* n% l/ R; x% g. z) ~+ Q0 i
- int fd, ret;7 V( x! t! y4 V
- e2prom_s_cmd arg;1 k3 ?; ~- P8 H. k+ i0 h
- unsigned char buf[0x18];
9 C6 l, R/ W7 |& s) p
' E1 z2 k, q( T3 Z+ i- fd = open(E2PROM_DEVICE, O_RDWR);9 K' A* Z: U2 T- g4 V
- if (fd < 0) {
. j; \* X2 g3 O0 P, ^" P - printf("Device %s open error.\n", E2PROM_DEVICE);/ E& n; r8 e- \
- return -1;
6 a O6 j7 {$ ]5 w - }
, s) d" H! x8 `, N- H* m: @/ ^ - arg.sub_addr_count = 2;/ q2 f0 E6 m' Z
- arg.data_count = 0x18;' J3 f+ e$ a+ O+ s& z6 ]7 M- x
- arg.e2prom_cmd_sub_addr = 0x290;) ^0 u* \' K; F) N. W$ A
- arg.e2prom_cmd_data = buf;
, x4 E+ N% |5 r5 M" g$ I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 [- |& e) h3 D4 {8 O( s
- if (ret != 0) {/ `6 n- u4 P8 i6 _7 b9 m2 I$ Z5 R$ p
- printf("Device %s read error.\n", E2PROM_DEVICE);% y* b1 x$ P' ^# E
- return -1;5 t5 E+ g @4 C
- }
+ a. o6 T" K, M! O; Z/ p - memcpy(mac, buf, 6);3 x y3 A1 Y: c# H0 ]/ H2 I: b
- memcpy(stbid, &buf[6], 18);
. @0 H J$ {% h, n8 \ - stbid[18] = '\0';
7 w7 r& D( H* a& V* `
0 z( x6 }; e9 E) t4 B( I' U- return 0;8 H: A4 B6 }8 W* y$ y0 _' {
- }. b) A X! D6 x3 v
) k' e1 @) Q7 O* m5 H" f- static int writeparam(unsigned char *mac, unsigned char *stbid)
: _' C. ^/ g$ e7 k - {% Z% X" k% ^# N1 M9 R$ [
- int fd, ret;+ X( b; i3 Q- ^+ Y- t& s. ~, @* x' I5 c
- e2prom_s_cmd arg;6 e* k$ J9 p, m8 `$ S% t: p. G
- unsigned char buf[0x18];- a% X' T/ a$ [0 J
3 t8 l$ o! Z% h$ p1 r8 \+ E- memcpy(buf, mac, 6);
) b: x+ j9 ~; h) d5 w - memcpy(&buf[6], stbid, 18);
# Z! q4 g* W/ Y - fd = open(E2PROM_DEVICE, O_RDWR);2 m/ ? k1 {% a/ q5 d; j4 l
- if (fd < 0) {
" v& O- j$ G3 V) b7 @5 ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
6 ~0 O& n2 \0 O+ Y% w5 ~' E0 J1 N - return -1;0 t* I: S' ^& _7 ]. i, r
- }
& g4 r' c, I9 O3 i/ N5 ^ - arg.sub_addr_count = 2;
' I0 K* P) S3 a, U7 c9 g) n - arg.data_count = 0x18;6 Z5 M) e7 U6 [! c8 Z2 w
- arg.e2prom_cmd_sub_addr = 0x290;, R! \) u( }# `8 R* Y: i I
- arg.e2prom_cmd_data = buf;
4 A5 }) ~' g# }8 V- ]- l; S - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 W2 F% |" h* U# r/ x
- if (ret != 0) {
) g" M: E( H/ g. D/ ^$ A - printf("Device %s write error.\n", E2PROM_DEVICE);
: a/ t& u$ C: s% W, l: o1 l7 H - return -1;
9 o* c7 e4 e) F, N) e% a - }4 C9 b' W1 n+ @* H- N
- 6 Z7 D& d% S$ y
- return 0;- M* G2 p3 A8 B/ R; Q; I
- }/ {" O2 I5 L4 C: O: T
- 5 q/ c! z/ h) e6 e; Q
- int main()
: H. f1 T/ \! M( E$ j& i - {
# G8 B! U4 D. ` - char c;3 ]5 \% G) Z7 f% u3 O b, b
- int i, macs[6];7 d; {7 f" b$ P, I$ V
- unsigned char mac[6];6 H# S7 l) ^ l2 v
- unsigned char stbid[256]; i d5 M( E) d# D
6 x0 E! j+ H# Z6 l. T- if (readparam(mac, stbid) < 0)
& S7 X( R5 N R- j1 T - return 1;/ f+ O) {, a2 k! a
8 m. M9 m) G9 w$ e1 G+ }8 S' `5 k- printf("Current parameters: \n");
X# S& Z. F0 ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 z; M7 F' C/ N+ ~" A( U. K. t+ r0 ]
- printf(" STBID: %s\n", stbid);
* Z; U2 L+ Y2 l) r2 g! H5 n8 _ - . w6 [) E) q, M' P) Z% m. F
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& D5 E5 E7 ~3 a g% `
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 p4 p6 p( r! f
- printf("Input MAC error\n"); P# H; O- I) m
- return 1;
8 h( M( H" M& z* { - }: J2 A2 Q+ j0 g& x5 o
- for (i=0; i<6; i++)mac[i] = macs[i];
, {$ I5 Q5 I7 H. p6 O/ r: z - printf("\nPlease input new STBID: ");
8 [6 n4 o7 O: H+ R2 B - scanf("%s", stbid);
: H0 u0 n% R; A% |; s- H, R - if (strlen(stbid) != 18) {$ N" Y! p- i$ O4 d' _
- printf("Invalid stbid\n");
; [" f& o/ Q4 Z) t - return 1;2 t5 M/ c3 X: f @: g
- }' `/ s; i$ l7 ]& P0 B8 Y
- printf("\nNew parameters: \n");
# f+ F* u) ~/ c' {, T& J' O9 z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 {7 h/ x' M, T) U
- printf(" STBID: %s\n", stbid);1 U4 }- p0 s6 s, d
- 1 c+ a- s: Y" ?9 t4 y; o9 o
- printf("\nDo you want to change paramemters? (y/N) ");
; h% i, R% [5 G - for (;;) {5 c+ n2 l! X4 ^- Y
- c = getchar();
( u# m) ^, ~3 L; U E) ~; \9 G3 n' e - if (c == 'y' || c == 'Y')/ s4 ~+ U3 @# O$ S( e- e
- break;7 X+ W$ }1 ?3 |+ R6 a
- if (c == 'n' || c == 'N') {
2 f0 f; m- |4 ^* o; h. ^/ o1 J - printf("\nAborted.\n");3 K) M/ i$ @% Q) ^0 G ?, o$ @
- return 1;
$ i m- @+ o1 E - }
a `+ `! m8 A1 R I3 c - }4 [- L- h. Q. ?, v9 h
- if (writeparam(mac, stbid) == 0) # ?; u) P9 x9 F& ~" C
- printf("Parameters changed.\n");
. u1 f6 `. s. C! r7 |
$ v9 g0 u u0 D; i/ h6 L- return 0;
' @2 c1 u6 S! V0 P4 k3 q - }
复制代码 |