本帖最后由 0522 于 2012-3-21 23:04 编辑 % D, y3 k' f# Y( z
& G# R. h X$ ?& I! z" y \! z; d
修改的代码早有了。到今天不会编译。
/ Q3 y9 u) z7 C) ~: |6 \, F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: r( w M& G7 b' E
- #include <malloc.h>
9 W( O, u" v# b* R$ `0 ?# E - #include <sys/types.h>4 e: m, D+ X5 {4 z8 W
- #include <sys/stat.h>: u/ t; w& m$ C; o% p! Z' K
- #include <sys/ioctl.h>) y5 y6 p Q0 p% L9 s
- #include <stdio.h>0 l2 \! X" X$ T4 n# q, D" L
- #include <string.h># D( o6 m% E) ~+ e6 u& y
+ B/ Y8 P) `' G+ n6 `' |) L- typedef struct {
: |( T# u3 x0 A8 f! K - unsigned int e2prom_cmd_sub_addr;
4 \$ r& E5 e- V. _1 j% s+ ]5 } - unsigned int sub_addr_count;
! q' r: b1 N2 u a0 c$ K - unsigned char* e2prom_cmd_data;
+ U/ F, U* ]3 x/ Y; ]) x& m - unsigned int data_count;
, Q) ^* A- o( R- x( ?. b - } e2prom_s_cmd;! g) ?, v5 s& c- w% L% }$ E8 `
1 h: Z3 k" q3 U9 G- #define E2PROM_CMD_READ 1
2 c3 v, S+ D/ B$ P# N: L - #define E2PROM_CMD_WRITE 2 j$ A5 }7 w4 D6 |* |8 L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 C& M5 q/ i; }. }* w0 k: N3 I
+ o3 i9 j0 e/ H3 Y" \' E. z- static int readparam(unsigned char *mac, unsigned char *stbid)7 `: t! p* ~& s/ v
- {( C# o- z9 P6 j6 Y
- int fd, ret;
' k: {+ j; I- ~$ W0 Q8 _ - e2prom_s_cmd arg;
3 E, K; J% _; z7 Y+ v - unsigned char buf[0x18]; j! N0 h6 w6 L# }
- . G- K& k6 M' {4 C4 w) P1 m1 R- J( B
- fd = open(E2PROM_DEVICE, O_RDWR);( O) }3 [* O6 H( @. f% }
- if (fd < 0) {5 `7 s5 S' b: M( l7 F* K; d( P0 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);- d1 x: u% o# ], Z$ e
- return -1;
" W# S" @/ }5 \6 d) y, w- { - }
9 j. c- O7 R; D1 I6 B6 B - arg.sub_addr_count = 2;
T& _% o& l$ G- x - arg.data_count = 0x18;/ [; d2 g% D+ `% b, D" P0 [6 c
- arg.e2prom_cmd_sub_addr = 0x290;
2 s* I0 o4 t a - arg.e2prom_cmd_data = buf;
V$ C) T; `5 _, F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 l9 z) C- p5 `3 [6 A) o' ` - if (ret != 0) {. ?% I( e! z! V! Z2 j4 o! y" ^
- printf("Device %s read error.\n", E2PROM_DEVICE);& \8 H: W0 @+ Y; M+ v" U/ B- f5 U
- return -1;5 `4 O! Z8 Z( {) L, y8 n q. e
- }. r# l2 X! o9 d9 |8 R
- memcpy(mac, buf, 6);
6 s; L7 Y2 ?7 B- [4 p4 s+ @ - memcpy(stbid, &buf[6], 18);
1 v4 a8 L0 s5 O7 @ - stbid[18] = '\0';2 v7 l- s6 |4 {: g! L, O* U- T/ {
# g. `0 `7 {+ j2 Q3 a" e, X& Z- return 0;2 C: g/ O5 E" H: ]" F. p- h
- }
! L$ A& T' H8 [ u5 Y! ~ - ) d }( S6 f2 E6 c9 c! x! V
- static int writeparam(unsigned char *mac, unsigned char *stbid)# M) O* X0 \5 `7 b, R* w
- {: r- ]9 }: K* y7 V7 l' L7 G) l
- int fd, ret;; ^ t. l5 U6 t: _) d
- e2prom_s_cmd arg;0 Y6 N' G9 J4 f7 A; m! m4 b! L1 P; E
- unsigned char buf[0x18];
& S+ }" [; j5 z% n/ I - 0 x4 J, L; C7 C& t
- memcpy(buf, mac, 6);
' Z( u j& ~5 ], I, ` - memcpy(&buf[6], stbid, 18);4 \1 S, N) }+ F& y* x
- fd = open(E2PROM_DEVICE, O_RDWR);
9 x& ^0 H; b# L Z. _+ s' H6 T - if (fd < 0) {
- o* T& }' I$ Y- M$ l7 ? - printf("Device %s open error.\n", E2PROM_DEVICE);
: \! _1 G1 S. f0 u$ l; V - return -1;4 Y& c6 I& S3 @+ S
- }
5 T! T4 B- U7 F - arg.sub_addr_count = 2;1 F4 e4 k& Q, Y2 V
- arg.data_count = 0x18;( {' k4 W1 q3 O8 T4 y% \
- arg.e2prom_cmd_sub_addr = 0x290;' z: V6 C+ b- I. \+ x6 {/ x
- arg.e2prom_cmd_data = buf;
& U' H: I7 c* U) g. C9 n; ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 ]( m" U5 i" v7 P0 _$ B) G0 h
- if (ret != 0) {% B( }+ v6 p7 h1 P) y3 w
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 n( e& u: v; [6 k" J+ e - return -1;$ z6 }# M8 V, z5 O! R8 ~! K' o/ n
- }" u# Y- f1 r! h7 i. x
- ) A. z6 Q9 q% X3 G% }9 g
- return 0;
" @4 ~5 K. F# P2 O+ B8 y9 ` - }
6 Z8 b' O5 W# s1 ~2 A* y( U1 D
9 o) i1 _% F: P4 D& l. t/ C- int main()
2 b, r/ W" r% b( L! Z- { - {3 e0 |! J2 l. J! C
- char c;) B0 D0 ]3 T O! S% G9 `( D% q
- int i, macs[6];8 ^% s. ?% b( w$ ?: U
- unsigned char mac[6];
4 T. d' B! n; I6 G9 z1 m& Q - unsigned char stbid[256];8 m& o) t) C% x }$ [7 W
: A0 O- }9 f8 P& d& g* Z) h' H- if (readparam(mac, stbid) < 0)8 r1 x. w5 ?. _$ I# L
- return 1;9 n7 h3 P0 G% O) Y( S
6 w, e7 j+ _0 k4 y$ z- printf("Current parameters: \n");
, ~: w2 M, |: K8 e+ D6 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ }" {( H# U# [% X - printf(" STBID: %s\n", stbid);2 r# m3 H! H8 l# Z& `2 V3 v7 p
- & m F' u: |4 \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 h1 |. d7 y9 N0 x - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 F$ d! i0 ]& ~. I( h+ [/ c - printf("Input MAC error\n");
* N2 i, N( u. a% b - return 1;- R u$ y5 \( h7 P7 N
- }
) a* M/ h5 Z% c* H - for (i=0; i<6; i++)mac[i] = macs[i];( }! V! _6 c0 r5 s
- printf("\nPlease input new STBID: ");
7 ^5 j6 `4 P: c: K% w6 T9 C1 } - scanf("%s", stbid);
' o2 Y6 Y+ i2 e$ m9 h, X - if (strlen(stbid) != 18) {
u3 R6 G& f- B0 n4 C( W- ` - printf("Invalid stbid\n");$ ?- s. X5 A3 U) V" ^+ e
- return 1;5 G. ]' I; k: K+ W9 u
- }: t+ S$ s s) y' k; r# A* _
- printf("\nNew parameters: \n");
& J/ Q- A9 P S- C% O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. H& G, |- }. r1 `) m2 ^! Z& g$ f' m
- printf(" STBID: %s\n", stbid);. U3 L4 P% P2 R0 `
+ L) N; g+ F2 E0 ~; C2 M" x# c! |- printf("\nDo you want to change paramemters? (y/N) ");
) D3 [3 J& L% B; }+ j: q5 Q - for (;;) {3 e/ _; N1 V! C: Y+ D# l
- c = getchar();- }- h0 i- _ y& R/ D% g9 c+ S% ?$ X
- if (c == 'y' || c == 'Y')1 x @0 {1 G% w- F8 ?& f) h
- break;) a8 X7 q3 R5 t9 P) x* n
- if (c == 'n' || c == 'N') {
( p6 W1 Q5 ?' ]" W, Z - printf("\nAborted.\n");6 K: x0 O! K- Z6 Z
- return 1;. R2 ]/ r4 M3 c! U" k& R& u
- }
6 m- w& F2 R! d; I - }
9 s5 i2 F8 C. n - if (writeparam(mac, stbid) == 0) ; m0 ^/ i* Z4 J! W- j& q
- printf("Parameters changed.\n");
0 |- ?( l2 c& m4 G5 t, \ - 1 [ {; R) F) v- n3 |2 o0 p
- return 0;
" {. Q/ i7 {8 B1 N1 D" E - }
复制代码 |