本帖最后由 0522 于 2012-3-21 23:04 编辑
& a5 [% A) e& Z3 I9 E4 D
- E( g; `* I6 A5 ^! _修改的代码早有了。到今天不会编译。5 {# g# g6 D; W" s+ d/ z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! N& M$ d0 s2 p9 `6 s7 a1 W, O9 P
- #include <malloc.h>% j' V" G% l- v: T$ `! p9 T
- #include <sys/types.h>, v$ \/ O9 `) a# H- z' }8 K0 O
- #include <sys/stat.h>& A4 G* \1 y2 ?7 Y1 h
- #include <sys/ioctl.h>: {- \- l" {7 R
- #include <stdio.h>
5 S1 D; `' m7 y, E - #include <string.h>& U1 n) `: v% \' C3 i# f
6 i- w. a8 z) D# O9 {( R* S2 I- typedef struct {. E/ o+ ~1 W6 @! z* d# v8 u
- unsigned int e2prom_cmd_sub_addr;
/ j8 l" g. c! U5 R* v, H - unsigned int sub_addr_count;2 i/ t- }2 o( F! ]& f" l
- unsigned char* e2prom_cmd_data;0 \9 x8 B$ G7 L% N$ v5 l& ]) _: p
- unsigned int data_count;
3 F6 y6 d" A$ R6 J$ s - } e2prom_s_cmd;
8 \" X& }$ P0 z" O- | - - y3 D4 c( _/ ^+ s# \
- #define E2PROM_CMD_READ 1
5 u! z$ F' m' K; p# L Y+ D - #define E2PROM_CMD_WRITE 2
3 ^. r7 c& N* x - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
( B# q3 @, ~# w: f
6 ~+ ^9 g* B: j6 t6 i4 @+ c. e- static int readparam(unsigned char *mac, unsigned char *stbid)
$ o0 j# c. a6 V9 K! h7 A; e# k - {
. {3 q7 b3 E. L4 j' d2 N' Z$ j @ - int fd, ret;
v1 O( l4 O( P" m9 u8 w - e2prom_s_cmd arg;
, `. E; O& j6 h# }8 G - unsigned char buf[0x18];
$ `4 K1 a8 D8 b T8 v
* c7 v( v0 i% ?) W7 g$ U$ J" y- fd = open(E2PROM_DEVICE, O_RDWR);
' A) [& b5 z3 w5 [4 U - if (fd < 0) {! s- Y7 ]9 F: V9 K
- printf("Device %s open error.\n", E2PROM_DEVICE);) ?2 @9 b) z% H' _# c: u
- return -1;' G' x9 m9 e4 {. y, J. c& P" X4 Y: `
- }
, M$ C& ~- X( f - arg.sub_addr_count = 2;
1 V2 M7 n3 p- l - arg.data_count = 0x18;0 N9 G) ]- D5 S- c0 x& S
- arg.e2prom_cmd_sub_addr = 0x290;% q# C# c0 v! ^9 J' P. h# x+ C' d b
- arg.e2prom_cmd_data = buf;2 X. N: A+ l! c) _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);' p3 g( h, N2 }8 L( d
- if (ret != 0) {
7 K9 x' P8 F5 T3 u - printf("Device %s read error.\n", E2PROM_DEVICE);
9 {" W/ a6 M, j. m* l) R4 k - return -1;
6 I- A, ]5 C! `( d" E( x - }
0 E' h+ f: E5 z2 A5 i4 b/ j/ u - memcpy(mac, buf, 6);4 `) D6 a$ R: f0 }2 {' C
- memcpy(stbid, &buf[6], 18);
4 i4 O: l) e8 q: {" K3 L - stbid[18] = '\0';: O4 _: \& J4 h) ^( M
- # l! t+ P' I! ^: k; f
- return 0;
6 J/ Z4 [9 I% o: N! B - }
$ v2 s' _5 T2 q - 2 W* O3 D! M+ a5 A: V6 v/ o8 {
- static int writeparam(unsigned char *mac, unsigned char *stbid)% c, s7 Y7 ~+ U* T8 d- \9 L
- {( A' X1 U4 n& @8 H0 m9 s$ d
- int fd, ret;0 o1 m. u3 u3 l6 L3 g* P
- e2prom_s_cmd arg;
- f# t% _. q8 P. k/ v4 k( m! o: Y - unsigned char buf[0x18];
& H. ]$ o; r# O; H: f) x, \
! z; e+ ~# M }4 p- memcpy(buf, mac, 6);) M0 p G8 g& x1 H( v: Y
- memcpy(&buf[6], stbid, 18);
$ G8 d ?, _9 Y0 Z - fd = open(E2PROM_DEVICE, O_RDWR);
0 ?. X4 Z" n& C ^$ C - if (fd < 0) {+ |+ |7 k1 J J4 h- i( ]$ C5 ]' I4 W
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 {: J! r$ F" N, k0 @ - return -1;
k$ f( s) S* Y% G - }
! A7 t; V5 o1 |7 @4 F - arg.sub_addr_count = 2;
* `- O$ x* I# ~( S8 Y+ Y5 z - arg.data_count = 0x18;
+ J1 O; m5 e% H/ X& z - arg.e2prom_cmd_sub_addr = 0x290;
' p/ R% }& V1 h* J z# h! t: S5 N: ?& S - arg.e2prom_cmd_data = buf;
8 a7 [& S4 H3 g) F - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
Y" F& [) q. i. j: K2 \) N/ { - if (ret != 0) {
* H+ l U" _6 X. p0 S - printf("Device %s write error.\n", E2PROM_DEVICE);0 l. ?+ b# y% s J" s7 F4 o& P0 d
- return -1;! _3 a5 g5 r' O
- }
$ d2 |3 t" D: q5 x6 U3 \% J
7 s, X. B7 G* i# U- return 0;( \9 q& f; W1 @2 y9 d8 z" I Y
- }( Z) n2 K: `: P% B6 X+ Q! {
& n6 |$ g1 W4 R7 ]3 C7 k- int main()
. \/ _) g/ G& N E9 |4 Z - {$ C1 @7 B$ ?: U
- char c;
4 V* w* W" h- M, @% j2 I$ | - int i, macs[6];
; M' p3 s% W# g, j. M6 q2 W - unsigned char mac[6];
% A: p/ B* S% N$ E9 ] t, y - unsigned char stbid[256];
. G* i# K+ s; l. I7 e5 Z - 7 C8 Y+ t' f; z0 d4 E- s% V* F
- if (readparam(mac, stbid) < 0)
9 |: j( V" H9 @# [ - return 1;. W( n5 v, A0 Y" k$ c- o2 K" b" X
- : e. J+ X7 }1 o! R7 P
- printf("Current parameters: \n");
$ s( @0 [7 V% V3 e0 [ {! D# r* Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ _8 a8 {# f1 o
- printf(" STBID: %s\n", stbid);: G; R- l: B- Q; W
- 9 `9 p2 k1 J* _$ [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ P1 i4 `/ K, } - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* J3 k& Y0 v$ s - printf("Input MAC error\n");/ U5 N# d9 n, z$ [/ x; p+ j" L: N3 w
- return 1;7 n1 q4 C/ f3 v! J' b- P( x3 y
- }! u' V! i3 H, R+ @, p" u* u, a+ b
- for (i=0; i<6; i++)mac[i] = macs[i];
( p7 u: t M* T - printf("\nPlease input new STBID: ");
, p# q! a1 F7 L3 C7 c - scanf("%s", stbid);/ u& y( @+ V# O7 v2 m# v
- if (strlen(stbid) != 18) {1 P# t2 N2 ~( \& B9 W( Y$ G/ d2 e
- printf("Invalid stbid\n");
, D: G) T% x' q7 L. o; b - return 1;
" c; c' t" h* m - }
4 }# k, A W, Z5 ^! Y% x/ Q - printf("\nNew parameters: \n");/ F6 ^& a+ i$ _& ^1 _/ c3 v5 T" u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. W1 w5 g$ v, G7 e - printf(" STBID: %s\n", stbid);: j0 w; P8 ?+ G2 N, P4 h, V9 N, L- Q
- 6 C5 F4 U+ D5 f& h3 G
- printf("\nDo you want to change paramemters? (y/N) ");
6 o( W0 k% G! ]4 l8 n& I* t; x" m, y - for (;;) {
4 N: q& E5 g e - c = getchar();
7 Y# J! C5 a% e5 H' c - if (c == 'y' || c == 'Y')
2 z9 K& }, s6 A( P( O - break;
' x$ k; q* U; D" c6 y$ y - if (c == 'n' || c == 'N') {
. G( m$ S% O) a/ @. G6 i - printf("\nAborted.\n");* o j% L! x8 K( {$ t: z0 `- A [- b
- return 1;# g6 p7 I Z0 A- L7 N
- }. s T* K! Y' P; z$ h! j9 k
- }8 o, m( b" j _/ ? b
- if (writeparam(mac, stbid) == 0) 2 U: \- y+ b9 L2 i. P( z
- printf("Parameters changed.\n");9 b) W& {$ _4 O; J3 A6 C
- p' u+ t7 i# q- return 0;
& T" ~' K' X/ P3 ] - }
复制代码 |