本帖最后由 0522 于 2012-3-21 23:04 编辑
! E* r w \) c* d( I' z/ X6 U% M/ u
. u, ]/ Y6 w. V6 t# |9 s修改的代码早有了。到今天不会编译。' j' O E+ K5 T9 L9 ]! G+ c, A: A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
{" K# _6 a) @! v. ]3 h - #include <malloc.h>
$ {6 J7 m: m' v: k! |/ m" j1 p2 b - #include <sys/types.h>4 i, c, m8 Q5 A" ^: R0 ~3 l
- #include <sys/stat.h>
. X0 f% R3 O: B C" M3 n - #include <sys/ioctl.h>
' E8 h* Z6 `& s0 w& J7 _. Z - #include <stdio.h>
& q) s2 b6 B2 k: Y$ A7 \! F3 a - #include <string.h>
6 O7 U0 E% F* S; n - / Y( Y6 ^5 x; w) A
- typedef struct {4 Y0 [% B, ^# X; n( z# [8 a$ f
- unsigned int e2prom_cmd_sub_addr;1 H$ d; `) w2 c/ L) {/ H
- unsigned int sub_addr_count;( J6 h& e9 j3 s' n; b8 U
- unsigned char* e2prom_cmd_data;! i- y5 k4 w4 `; {
- unsigned int data_count;
0 R5 Y) \9 ?9 m' |, c8 B" B - } e2prom_s_cmd;- M" g1 a) a: s- i% S& e, F8 m
8 T4 I$ ~% |" ?9 m# ~- #define E2PROM_CMD_READ 11 X# z: G" b4 g) L9 ^' d5 g
- #define E2PROM_CMD_WRITE 29 }: z5 `. H- O1 v | q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
! S0 q+ L) m1 r
% I9 P8 b1 b1 B; N2 [; }- static int readparam(unsigned char *mac, unsigned char *stbid)& j1 Y$ L9 V* X% u! c! h, p
- {6 b) {# K i7 ]2 p3 j) H' e# }
- int fd, ret;! D/ q3 g- j* N$ p& X5 ^
- e2prom_s_cmd arg;2 g1 }. ^5 ^" X! I
- unsigned char buf[0x18];7 i; d! t4 b- n% ]
- - X4 [5 L0 U4 `7 R# A2 q
- fd = open(E2PROM_DEVICE, O_RDWR);
Q% W4 R! y' ]- g0 `1 c* I7 \ - if (fd < 0) {' Y- g$ A, [- K) }4 A$ w
- printf("Device %s open error.\n", E2PROM_DEVICE);
0 x# w" }" X; K% ~' x - return -1;
8 X/ Q7 k7 k& { L; } - }$ v; ^. n M9 ^; Y L
- arg.sub_addr_count = 2;& t4 v/ f- Y2 o. [$ Y: c( e6 n
- arg.data_count = 0x18;
3 ]6 o O4 a0 J6 g3 _5 P0 b - arg.e2prom_cmd_sub_addr = 0x290;
: d! `) U' V* l' A - arg.e2prom_cmd_data = buf;
: H: |# y3 u8 e - ret = ioctl(fd, E2PROM_CMD_READ, &arg); w2 Q; G+ m0 s. m: y: w( T/ W
- if (ret != 0) {: y5 T% U1 J" O0 X% b0 c5 K% ~
- printf("Device %s read error.\n", E2PROM_DEVICE);/ _; H+ C) }5 A( R3 E
- return -1; T4 q0 N8 M, L* e) i% ]% u
- }. e2 U( t2 l* q) G3 L
- memcpy(mac, buf, 6);/ h: F0 [1 I% H4 M
- memcpy(stbid, &buf[6], 18);7 I4 U" f& b2 `# e
- stbid[18] = '\0';, ]8 Y! x- ~: \9 e1 D9 }: n q5 g" Z
- % X2 s* }& K" Y2 p- P4 f: L
- return 0;, O/ g3 U( B, a( b: \3 _, K8 u
- }+ t4 X9 }% ]3 R. `2 Q, f8 \, Z( _
8 L/ d9 }. M5 T4 d' g: E- static int writeparam(unsigned char *mac, unsigned char *stbid)1 k6 t2 z, n q+ P8 f6 G
- {. D: E0 X9 {* ?4 Q$ y; ]
- int fd, ret;
' F8 M6 {9 |' @- [6 [4 [/ z; C - e2prom_s_cmd arg;
+ n( T y' N& ?, t- j2 X - unsigned char buf[0x18];) r: R0 V) C! @
- " G0 |$ D2 [, F
- memcpy(buf, mac, 6);7 D. S/ |' I6 X4 |1 q
- memcpy(&buf[6], stbid, 18);6 j6 M# g: U4 R8 N1 o
- fd = open(E2PROM_DEVICE, O_RDWR);" R5 I% N' w0 y& j+ a I
- if (fd < 0) {
1 I6 O$ D z; N B3 ~% y3 [ - printf("Device %s open error.\n", E2PROM_DEVICE);
8 n# D* h0 z$ ` v% ]' ? - return -1;' [) C* [: k. V$ u. n2 b2 }# ? }
- }
3 y! k3 r8 l* j# W - arg.sub_addr_count = 2;1 C. Z" H y5 |1 Q4 F
- arg.data_count = 0x18;
: R) t- ^. u9 {- r/ d1 b# Z - arg.e2prom_cmd_sub_addr = 0x290;7 F s% R6 G1 W# @8 G, h
- arg.e2prom_cmd_data = buf;, _- w* w$ ]: T3 k' E
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; ~* J% i0 @6 p" q. n
- if (ret != 0) {
1 f( w( ~4 @( M* b9 K1 k - printf("Device %s write error.\n", E2PROM_DEVICE);
- I* u: T: h; h( P* q - return -1;
' `$ a+ ~, A, L - }
" r @0 w* p! G2 @7 x0 M- u0 u
1 i7 |3 f; N9 Q7 v2 t- return 0;
; M% r5 q2 m7 v- h9 \ - }
/ R% y. w c* Q$ g, ~0 e - 2 _8 h! l1 j! \5 c$ g6 O1 w2 H# |# V
- int main()( i* r8 e7 L3 K, m4 b7 w {
- {3 o" e) ^4 U) j3 |! S
- char c;( }5 U/ U5 z; j2 s. i8 H
- int i, macs[6];
: A* \( F. p' ~3 y' @ - unsigned char mac[6];0 M$ [+ E$ B- H$ a
- unsigned char stbid[256];
% w2 n. z; H$ M5 J
+ g, J2 Q$ J8 d) R) H; c; @- if (readparam(mac, stbid) < 0) @' j. t, Q) Y0 W& Q8 D
- return 1;
9 c) \/ T* r: T7 I5 F
+ L( t1 J" m& P* f5 h# c& C4 p- printf("Current parameters: \n");5 D- d& F9 a1 A7 t% \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 z1 ` B9 B7 N9 ?! P
- printf(" STBID: %s\n", stbid);) y2 i" d$ N7 n
-
$ l/ _* u; ^. b6 C* y; ` - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, _- W! i+ c$ u) A6 t& L( \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! ?1 ]) J( [- F Z8 v4 @6 u - printf("Input MAC error\n");) _7 z" a5 C' r2 ~" U4 V
- return 1;) G" i; `' e8 U6 X! p; ^" A
- }
$ [; l3 a, e4 q: `# L& O - for (i=0; i<6; i++)mac[i] = macs[i];
* t' \, ^) S+ H* C - printf("\nPlease input new STBID: ");
4 Z& [. {7 M( N - scanf("%s", stbid);) f. p. d) d; z7 h9 i* i9 a6 t1 D
- if (strlen(stbid) != 18) {
7 j- C& f0 a4 ]* O8 Y' Y - printf("Invalid stbid\n");3 o9 k) e6 D% |6 P n) u
- return 1;
/ @1 B9 J* g* n! q6 R T% I - }
1 w5 v' l1 h" W+ N - printf("\nNew parameters: \n");1 c; _0 Y* [( y+ o; d; ~- Q5 Z& z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, [6 X3 u( X( v7 a0 x5 g# b3 @8 H) \ - printf(" STBID: %s\n", stbid);
/ f2 X2 e( {- i) ^0 ]' ?- p - 9 G$ B! M5 z0 D0 a& t0 y
- printf("\nDo you want to change paramemters? (y/N) ");
$ N+ P" |! z) H - for (;;) {. D$ |: G- Q6 T8 l) J
- c = getchar();! n% @6 @# p5 X7 W5 i1 k. G
- if (c == 'y' || c == 'Y'). u8 k% R$ O1 y8 M' v
- break;/ [# L" q b r* A' ^
- if (c == 'n' || c == 'N') {
- O: }" c& H' C; Y u$ y% n - printf("\nAborted.\n");
( m! [& ~9 @4 G) ^ h% w2 Q - return 1;
4 t' x4 J5 s: v: h; T - }
" a3 x6 E) H& k5 A8 k9 y( V6 H( p - }9 j+ X/ ?4 ~. y1 ]+ G; i2 P" F9 G$ Y
- if (writeparam(mac, stbid) == 0) & L; g* e- w. A+ d$ |
- printf("Parameters changed.\n");3 x" P" g& }5 N6 w3 J V
- 5 q3 I. L8 m) G3 y; B$ h
- return 0;
a2 T1 c& h# A7 i# y ? - }
复制代码 |