本帖最后由 0522 于 2012-3-21 23:04 编辑 1 |1 e3 @$ j% H( \
& R9 f! h$ Y$ }' [
修改的代码早有了。到今天不会编译。1 ~ u$ {" t2 [ x ^4 g+ A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 C8 K4 d' T4 @: E- D1 w
- #include <malloc.h>- o' k' C; \: \6 C
- #include <sys/types.h>9 ^, e! |* @/ _! p$ C( j6 r' m2 P
- #include <sys/stat.h>7 x( @/ u7 r: ]: }
- #include <sys/ioctl.h>
3 a" K0 i+ }; f* v- ^ - #include <stdio.h>' m2 ^8 C/ j: [
- #include <string.h>* r% g' E6 x/ ^) [( j1 k
: m4 Q& Q D- ]9 D- typedef struct {9 f$ f' x3 q" H( ^1 j i% u
- unsigned int e2prom_cmd_sub_addr;
# R2 V9 ~: }. V) i7 i - unsigned int sub_addr_count;& o; J/ i& v A- W% Q4 {8 o9 @' Y, E
- unsigned char* e2prom_cmd_data;
% M# r8 t" I9 m, X! x) B, A - unsigned int data_count;0 J) A A& I9 J' X& A
- } e2prom_s_cmd;9 l+ u; J# V5 l/ m. f
' U) d6 z7 ?. y' J8 J- #define E2PROM_CMD_READ 1" ?: ~" ], U* S; S% _4 L
- #define E2PROM_CMD_WRITE 2
& G; w4 H6 r' z1 ~6 q6 n+ u( c$ g& q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
3 T: n; u& z% M; s. w4 N - # l$ S; W& P: G I. m4 Z: J
- static int readparam(unsigned char *mac, unsigned char *stbid)# G: P- ~2 m# ?( Y9 p$ ^( u8 o
- {
2 B- r9 T; V% I. } - int fd, ret;( o7 e$ C, L& c7 \
- e2prom_s_cmd arg;
8 T1 U0 T6 }" N9 h - unsigned char buf[0x18];. s* |, i8 g/ y. G1 S
+ ^% X: V2 i y6 S. U- fd = open(E2PROM_DEVICE, O_RDWR);
& g- u, c& s0 G. u- J+ W - if (fd < 0) {; b' u7 f$ M7 R8 X
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ Y4 q/ e8 Y" u6 m# ^8 @& r - return -1;
& w! Z. n- k+ O, t0 z3 v% F" I7 O5 e - }
1 j+ x" K% s! U - arg.sub_addr_count = 2;: k! _% L: ~2 r/ b
- arg.data_count = 0x18;( r M& d. W$ k% K# J
- arg.e2prom_cmd_sub_addr = 0x290;
7 x( C; m# c2 s; U& n0 L6 P - arg.e2prom_cmd_data = buf;
( k: ?- J( y/ i) B: K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- R! A# y+ d* |6 f - if (ret != 0) {2 O7 k# C" _2 p5 g; M4 p
- printf("Device %s read error.\n", E2PROM_DEVICE);
* P3 j g3 U1 [& X9 c% w5 M7 g - return -1;
/ B) |- R: |! I1 {$ a* F - }. _% b( Q# K1 f" i0 _! Y0 F
- memcpy(mac, buf, 6);: D0 |5 i: r- e1 r" \
- memcpy(stbid, &buf[6], 18);: C& o1 j K% i# C- m
- stbid[18] = '\0';
! A* |# ]8 A2 Z; N! t1 y/ C
) |! O* C) j( B- return 0;2 ]( ^1 E5 g6 S7 x8 |
- }& D4 t9 v$ t- O0 l4 A
6 Y3 T2 n% |. a& E: g- static int writeparam(unsigned char *mac, unsigned char *stbid)$ y. @, f9 s" z! e1 J
- {
: @/ a2 j: o8 _( d$ d) l# x5 g - int fd, ret;
. i- L* |* V+ p8 l - e2prom_s_cmd arg;
# T% |( M9 @' J3 _' m; D* o# o8 E/ a - unsigned char buf[0x18];" p& a3 Q: d* S! U4 M# Z- i8 M
r7 X, R% m8 c: ?# k. V- memcpy(buf, mac, 6);
: {5 H! t( }: ] c) C; { t - memcpy(&buf[6], stbid, 18);
( ~% S/ r* u4 j: @% Y1 A - fd = open(E2PROM_DEVICE, O_RDWR);
" o2 j( o' w7 U7 C* y: D2 Z. B - if (fd < 0) {- `1 v0 G( C7 f& v& q
- printf("Device %s open error.\n", E2PROM_DEVICE);1 ]7 @+ R5 R3 h7 z) t7 w9 Q5 o/ N3 Z
- return -1;+ J! i- Z: @9 v
- }
/ q& V; u. o3 L" I5 a - arg.sub_addr_count = 2;, g, ]3 R) `( {
- arg.data_count = 0x18;2 A2 K/ @' ? p; Y& L Q
- arg.e2prom_cmd_sub_addr = 0x290;
& y- `* H' l* \6 C. J' |4 h) | - arg.e2prom_cmd_data = buf;$ i) {7 K: h* t3 W9 ^6 P' v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 u5 f& O4 T t! A - if (ret != 0) {" Q8 C2 t; J; W8 n7 d) l5 I
- printf("Device %s write error.\n", E2PROM_DEVICE);
& Q7 b) N! F# _/ _% N8 f7 [* S8 N( h - return -1;% D8 e% `+ ~9 F* B/ N. a7 s
- }
; O( k& q/ f/ j! I5 q5 \ - Z) C% F5 P4 h1 o* V
- return 0;+ g$ H2 ^3 i, g6 G+ f+ r7 j: }5 I
- }
) d; t2 ~" i* U, X1 R - ! S l, M% j9 z3 m3 u( S
- int main()
# l0 F: x2 h* K2 N" ]: ~4 A - {2 }5 p0 F" e o3 U
- char c;: l8 b' e- _7 P
- int i, macs[6];/ ?9 V! d0 C) i* M
- unsigned char mac[6];' S3 ^# E- d- w% m6 S c& M
- unsigned char stbid[256];
4 I# {4 v2 R4 [2 T - : K5 h! R: v7 H" `) ?: z
- if (readparam(mac, stbid) < 0)( K1 {' Q5 _. H! Y. W& ]; [& [
- return 1;% \' V) S G# _ `# P* s+ I
- / T# x9 R0 k/ _, o8 I3 ]
- printf("Current parameters: \n");
$ k0 c+ V6 T- s6 x) a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; {$ U" u$ i3 ?# M* H9 M p - printf(" STBID: %s\n", stbid);! n) q- N6 b! t: A O b5 r1 ?
-
D- h$ I0 Q% |3 T$ C7 @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ [" g; d. [- s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 q; e( ?- r. ~ - printf("Input MAC error\n");
6 w @, a5 M+ h! A. R- h1 y$ ] - return 1;6 p* }4 K8 |2 k4 n$ w+ x& s7 o
- }5 P/ N- F" O7 d9 q
- for (i=0; i<6; i++)mac[i] = macs[i];
3 X/ E" u8 p6 U, B7 @ - printf("\nPlease input new STBID: ");& ?7 i9 f1 S/ Z+ I' [9 a2 k
- scanf("%s", stbid);' |& ^0 ]) _* b6 H, [
- if (strlen(stbid) != 18) {
. | u! E" S' u$ A# H - printf("Invalid stbid\n");8 x6 L9 N0 E0 b
- return 1;! _! g# w/ e+ }2 q( `3 @' r2 R
- }
" _) ^2 a& ]' }* u6 P8 j$ |4 o - printf("\nNew parameters: \n");+ D1 A( }# `0 _4 F. ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. S) _' y1 _) v( Z; G
- printf(" STBID: %s\n", stbid);4 I9 \# a k& f9 Y
7 S! f/ s! |% C3 L6 Q/ I( z+ L- printf("\nDo you want to change paramemters? (y/N) ");
5 P% \; `1 p$ ?* U8 \ - for (;;) {
; Y8 o& S f+ _4 n |+ v; d; j - c = getchar();
p4 D; r0 ]3 v) ]( d9 M) ~ e# T% w - if (c == 'y' || c == 'Y')
2 _6 r; f" `% H9 k; I8 |6 ~$ s - break;4 k5 m6 P9 b, D" a# J6 _; M
- if (c == 'n' || c == 'N') {. B ^6 ?5 P. H4 W
- printf("\nAborted.\n");3 _5 H h8 t' A& S- ^' k/ O
- return 1;; q, _$ S% X3 Z0 n6 l: u* k& Z
- }
% ~7 R1 @" ^ D% j0 e - }
, e' m" a3 S7 [ g; S - if (writeparam(mac, stbid) == 0)
0 Z# d6 Q8 q4 ~5 ]! Y0 b7 { - printf("Parameters changed.\n");: j$ t9 ^7 H, I d: k3 @+ }
- E+ F# P+ C: o; v
- return 0;
) Q" V C; W% d2 E - }
复制代码 |