本帖最后由 0522 于 2012-3-21 23:04 编辑 : B( y, t. e! q: E. a
! i" t# n) P) A) g修改的代码早有了。到今天不会编译。
# i4 _9 @: A# u% Y, S4 Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 h$ M, \; E7 h# A8 b& O
- #include <malloc.h>5 C+ R# M) l( a# K& e/ o9 T) K% a8 U: I
- #include <sys/types.h>
. ^: c/ l" c% X - #include <sys/stat.h>* b2 H, z$ [9 V( x7 n
- #include <sys/ioctl.h>" t6 J" I" u8 ?& \: N' B' r$ V
- #include <stdio.h>
$ w4 v, E! `$ S& j& p. V5 T - #include <string.h>
* y* |/ L8 Y7 f! q+ E% p
4 b( j, f# y+ x. O( w& {- typedef struct {3 y* t) E4 \, c: S) z- _) u
- unsigned int e2prom_cmd_sub_addr; C) Y8 O; t& B3 R D% h
- unsigned int sub_addr_count;
! `$ J3 j/ g8 C1 E2 t- R - unsigned char* e2prom_cmd_data;
$ v" g9 q4 z* h. T: `2 c+ q4 a - unsigned int data_count;
7 _0 X( R- h, p0 t; q - } e2prom_s_cmd;) ]% j: g3 U0 ^4 a) w, C
- 0 s# p. I, e4 v* b" N+ i
- #define E2PROM_CMD_READ 1
9 T4 Z k- \0 e7 y4 r. \2 u - #define E2PROM_CMD_WRITE 2
, w. d7 e6 M1 K. R1 W - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
$ k3 D# y P$ m% n1 N, k B+ k* k - % }0 _- g7 s0 A" l% k9 Z
- static int readparam(unsigned char *mac, unsigned char *stbid)8 B# p: \' G5 o9 Z
- {8 `4 O" _2 P' [! h
- int fd, ret;
" G/ C' S5 t A' C. t - e2prom_s_cmd arg;
[4 L8 ~1 C% N6 @! P( I - unsigned char buf[0x18];
2 }; V9 I; S" e. K& c8 P
1 {7 D* [- j' b- fd = open(E2PROM_DEVICE, O_RDWR);7 V. v# P! w; I/ @
- if (fd < 0) {
$ s; f9 S1 ]9 G: J8 f - printf("Device %s open error.\n", E2PROM_DEVICE);8 y( \3 ]: ]9 G$ M* U; [
- return -1;* y; ?4 C. ]; ~) h7 T, b
- }7 ~; \) ^! c) K z
- arg.sub_addr_count = 2;
/ p+ g, g2 E; w, Q" f: q2 B - arg.data_count = 0x18;
9 g( R( m# W. b' `4 H7 Y2 h - arg.e2prom_cmd_sub_addr = 0x290;
; ]+ }2 L6 f5 S6 m' } - arg.e2prom_cmd_data = buf;& g2 t3 @8 T6 q; @# {8 m3 h- e
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, {0 @/ w9 z; V0 v+ v; \" @ - if (ret != 0) {
/ Q; o$ j. J; e6 i8 O5 ~' z2 X - printf("Device %s read error.\n", E2PROM_DEVICE);, G! x0 Y, a( {: m
- return -1;
& ^0 `- @$ `/ Y/ T; ?( q1 K: f - }
9 @& P& ~3 e7 } K7 i3 a+ a - memcpy(mac, buf, 6);
8 D+ B* [% E) x' Z8 _ - memcpy(stbid, &buf[6], 18);
/ D7 o" c2 z5 l, @" j* n- M1 e4 w - stbid[18] = '\0';) x$ w3 t7 N& B3 V0 A9 f2 _2 ~
- 2 K" v6 a- B/ M+ [* k1 m
- return 0;
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, j0 p2 a3 k3 k) |" ]3 j- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 j+ d" w! P: a! g# F( \ - {0 h6 `+ p1 ]+ e) O3 L2 s* D
- int fd, ret;
* Q5 H0 K) f4 U9 b - e2prom_s_cmd arg;. i( U0 p! d1 s7 L
- unsigned char buf[0x18];
3 q" N% F' s4 l2 b8 H. K8 t; f - 0 @$ `' K( N# t
- memcpy(buf, mac, 6);! a r8 ^; B7 c* N9 }& a' w, O
- memcpy(&buf[6], stbid, 18);! I, M- q3 |2 m
- fd = open(E2PROM_DEVICE, O_RDWR);
6 N( s. X+ R( ?9 K( E5 b - if (fd < 0) {; |2 S# N+ e. u% d" c( B% T/ X
- printf("Device %s open error.\n", E2PROM_DEVICE);7 d5 H7 T V( y o
- return -1;
9 I2 y3 q4 h6 y - }. J0 F. f1 w& E+ J
- arg.sub_addr_count = 2;$ ~& O, m2 r8 m+ ]
- arg.data_count = 0x18;
" }! B' h/ |& j- m# W. q) D - arg.e2prom_cmd_sub_addr = 0x290;* o* r J4 V. M& S* ^) c
- arg.e2prom_cmd_data = buf;0 ~1 g" |: p6 n1 \" }% e6 L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' q& v( j+ Z) j* F
- if (ret != 0) {
7 J$ C. r( ?. Y4 E' W$ l - printf("Device %s write error.\n", E2PROM_DEVICE);- _- U: ^' v/ |5 x' |/ v, k5 j
- return -1;
/ ~. q4 B" Z" J) b% t$ H - }
; ^1 d+ D2 q }
- y0 @- p0 m+ X5 _" W" l- c- return 0;
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- j, C a( B/ }: q7 q P: e
- int main(): L1 w/ I8 q. F: q/ c% T$ t
- {9 x: n+ T9 y* z# c3 i
- char c;
' L# z( {" [- @# g - int i, macs[6];- G* v8 k0 o w1 p
- unsigned char mac[6];& B9 N. {: \6 N3 q$ W
- unsigned char stbid[256];4 E9 {) V9 m# T# b6 {% y$ g3 [
- 7 D7 O" U) }& ~2 ^
- if (readparam(mac, stbid) < 0)
/ o Z4 O) c: S7 x9 u$ d5 {, P - return 1;
1 c3 O* X5 G {: D
+ F$ h; n" `1 Y! m- printf("Current parameters: \n");
) K0 t: B4 d* J4 A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- h3 H! e% Q/ o
- printf(" STBID: %s\n", stbid);
) M8 ~) u( Q w/ v- n -
4 w) i$ K& u' C - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 u9 ?0 y: \# l' z s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 V# F! C7 N/ h5 O' `7 N, | - printf("Input MAC error\n");$ G% C* y- k+ ?3 z: r. x3 k3 k
- return 1;
6 k5 L E3 H$ E) c) e- U* k( i. N - }
; t6 h3 ~0 v; V" b) D' ]& [3 m - for (i=0; i<6; i++)mac[i] = macs[i];
" o, E% o8 d. z - printf("\nPlease input new STBID: ");5 R" V7 x; _ e# l* X
- scanf("%s", stbid);+ ~ X% Q3 q; \1 Y5 K0 C
- if (strlen(stbid) != 18) {/ H, W5 F2 }+ k0 w
- printf("Invalid stbid\n");
! m4 a- D: t" l" `( I8 { - return 1;
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- printf("\nNew parameters: \n");
6 l. r/ l* ^/ Q0 T0 t, g' B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: \' |- H# h/ p" M6 x
- printf(" STBID: %s\n", stbid);' M! l0 [+ ^8 [6 \6 `0 |
/ i! u) h: d! {! ^3 B& ]8 u- printf("\nDo you want to change paramemters? (y/N) ");! S% f8 T3 J' y% A y
- for (;;) {# u5 W; O+ }. G" F" B
- c = getchar();5 s( F# l" d& |' r7 K
- if (c == 'y' || c == 'Y')
0 i$ c' ~6 N) o9 ~( Q! m! C) L4 Z - break;, R5 j( Q+ M: S
- if (c == 'n' || c == 'N') {: N* A$ P0 x" E$ n
- printf("\nAborted.\n");( g& H. J9 l9 P( q
- return 1;$ S' r) y0 L' w9 t. w& b# l
- }
1 A% R, `2 I1 C \0 U - }
# G6 r3 t3 e& Y/ u6 _# l - if (writeparam(mac, stbid) == 0)
3 D" E) ~- v8 P - printf("Parameters changed.\n");
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- return 0;* J# m% G8 E% }6 F' E; Q# b8 s) j! y
- }
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