本帖最后由 0522 于 2012-3-21 23:04 编辑 1 u+ {& z: A8 Y5 F4 _
0 l! w, `* }4 x) B; ~2 j修改的代码早有了。到今天不会编译。
8 ?4 m4 }& X) K* }, g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% ?5 m1 U# H5 |# h' @2 S1 H
- #include <malloc.h>
# V1 u$ G$ u" z; K" {8 J - #include <sys/types.h>- d3 m2 |, B, I- u# l
- #include <sys/stat.h>5 z5 F ~ D7 n0 F
- #include <sys/ioctl.h>7 j; N* ]7 a1 R5 n y; K. c
- #include <stdio.h>7 e$ |% k1 |* o3 ]
- #include <string.h>4 H: c5 B0 ]$ q' ~8 p
3 L( G f* X3 e5 t/ `% s- typedef struct {
* l4 S/ u6 W3 C - unsigned int e2prom_cmd_sub_addr;
4 _) R; j! X R$ u: f( ^: J% Y- @ - unsigned int sub_addr_count;
( t" \4 F! N0 R% }: A3 _" @6 ^ - unsigned char* e2prom_cmd_data;
! e f% d( R$ J; s3 J5 _ - unsigned int data_count;1 m$ v$ s+ E, `3 }# x* m5 I7 J/ m
- } e2prom_s_cmd;% N$ Y9 {4 R0 g2 p9 o t
- 8 ]! M7 j: a, D" Z
- #define E2PROM_CMD_READ 1
% N: b& l/ y4 k - #define E2PROM_CMD_WRITE 21 X2 W& H8 S7 f% u1 c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
! }1 b, W0 y* d7 d& @2 b - , c" V! H* m; _$ n/ q/ [
- static int readparam(unsigned char *mac, unsigned char *stbid)
: \' O! b: f. D - {
( n3 C8 |2 A0 E/ ~/ d% x: z9 \% u - int fd, ret;0 \8 e1 l4 k) h( d
- e2prom_s_cmd arg;
9 z3 ~3 T6 M8 [* j+ Z# A! Y2 C - unsigned char buf[0x18];
" c# _7 d6 M* S' G6 [2 |
9 K4 w% y6 O; d s* w2 H ~# a- fd = open(E2PROM_DEVICE, O_RDWR);. L. q" C8 w% V; z* Q" j6 C
- if (fd < 0) {
" M9 K1 E e9 H3 u2 J - printf("Device %s open error.\n", E2PROM_DEVICE);
& A0 a) F; g8 e- r8 P - return -1;
7 O* B8 X w- f7 j2 p1 L% | - }& V% t: @; Q" Y6 f/ t& u
- arg.sub_addr_count = 2;3 H! f; q" o8 f8 H- x
- arg.data_count = 0x18;
7 f' `) \ l6 ^5 a8 V* K; i2 m - arg.e2prom_cmd_sub_addr = 0x290;
4 P9 f- M2 ?5 ` - arg.e2prom_cmd_data = buf;
8 e2 \# A6 k$ ]6 p9 K& V: O - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' f: u+ H' ^& b& s - if (ret != 0) {
: h* v4 E: K- t! k6 x8 P - printf("Device %s read error.\n", E2PROM_DEVICE); N; s3 p: k1 r2 x. f0 v) k
- return -1;
/ Q% q( `; p) j$ |1 C4 { - }7 I @, I3 ~* p0 \6 l
- memcpy(mac, buf, 6);
( H3 I, T8 v& y9 f$ E8 ] - memcpy(stbid, &buf[6], 18);
& \" @& C; g% L% Q, S+ M - stbid[18] = '\0';
8 l) o. R7 \* n/ F& R
, x# |+ d7 e/ K$ C- return 0;* I0 C1 L2 Y# c0 W5 e# d# |1 d
- }
* Q4 \% O, Q) s. p# s0 J2 K3 j" T - 5 B- [4 r/ s. t, V7 Q4 n$ }. S( t
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 D/ @4 Z* ^' }* @; @" } - {
- O. @5 C0 `, a - int fd, ret;5 [3 x% e" @3 Q u0 e- q
- e2prom_s_cmd arg;
0 b! R$ h( D Y% C# } - unsigned char buf[0x18];
; K' q( K1 q# Y- I
, E* j, `2 k; X* y3 U, ^8 A- memcpy(buf, mac, 6);# D. o) Q+ B5 S. c- l1 K- m( p
- memcpy(&buf[6], stbid, 18);
, d8 n' S7 z$ U6 F - fd = open(E2PROM_DEVICE, O_RDWR);
( o- p) b d' r3 | - if (fd < 0) {
, a4 s8 ?: J* _, c+ y& A - printf("Device %s open error.\n", E2PROM_DEVICE);
8 @: S& R/ ^& T0 E% q- N - return -1;/ }; c( U- i: E2 O
- }7 A5 A/ R9 q) O0 K4 s4 C+ r
- arg.sub_addr_count = 2;! {7 A/ u1 x# p, Q6 }5 x
- arg.data_count = 0x18;
7 {; X( ]4 z% P - arg.e2prom_cmd_sub_addr = 0x290;% S; M7 j% L/ t3 {3 q8 h7 }0 i
- arg.e2prom_cmd_data = buf; c6 o9 i; t4 C! ^: l: f0 K& P2 ^
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! L$ t% Q: E" G" i; z6 [# M - if (ret != 0) {! N+ i. x6 [( O) H
- printf("Device %s write error.\n", E2PROM_DEVICE);+ G; U2 A7 ?+ `8 e4 R) f! x3 ]
- return -1;% Q0 R! N* g+ }& y
- }
- L5 J1 i" Z3 Y' r
4 }' C- B! [/ V7 V v r- u& ~7 L, U- return 0;: M+ ^' w4 a: @
- }5 m, k2 L& M, n8 r7 u" m
: r) [3 [# a( {% @" \; g( A5 K- int main()6 o3 t1 {3 i' N
- {
/ |4 ]" z6 O8 j: H( w - char c;
\; O& i) k0 q* e$ \+ _ - int i, macs[6];7 q e1 [1 i, c! W% t
- unsigned char mac[6];! g1 T4 K" I5 [# x8 H5 {
- unsigned char stbid[256];+ H9 _: u+ i% x4 Y0 x$ w
- 5 E7 U" e' ?+ p
- if (readparam(mac, stbid) < 0)
0 E e, p% U5 Y* V) } - return 1;
: A0 l5 a* M- e7 E& P - : `% E: a2 y4 G/ ^
- printf("Current parameters: \n");3 A& P: w0 l/ i( v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: U: n$ V0 ?% g4 \: K) M - printf(" STBID: %s\n", stbid);1 Q9 p" { x& I
-
$ ~5 y# D! @- W8 W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! W! d. K. z' i k+ H% ?1 A
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 O# C$ X; j" j& p1 |( q* C - printf("Input MAC error\n");
! }* u$ U2 h0 Z D+ A6 |/ A" P7 d5 a) k - return 1;
, ]5 O6 E$ Y& `' f: [$ V# f - }: i- ?" Q, D+ e
- for (i=0; i<6; i++)mac[i] = macs[i];
- w& }, b! M d2 r" J' I3 c - printf("\nPlease input new STBID: ");2 L0 o# N, ~. h
- scanf("%s", stbid);7 y9 T% F8 l% ^0 {& z
- if (strlen(stbid) != 18) {
6 M: w, @. W H$ Q, g4 n - printf("Invalid stbid\n");
: u5 t/ D3 X) f3 O - return 1;) R2 T" H2 l4 B* u3 Y
- }1 S. ]: @& o: z! i
- printf("\nNew parameters: \n");
1 s, G- v6 x0 X, L, E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) P! B" R. u r: M: L - printf(" STBID: %s\n", stbid);. k V( F5 n( m- B
: N+ R* O6 O6 X) [- printf("\nDo you want to change paramemters? (y/N) ");
; f" o9 d9 q. e$ X; o" F - for (;;) {
$ \8 N. T% G; P2 E - c = getchar();
. e" @+ I: L0 `9 t, l - if (c == 'y' || c == 'Y')
3 b& I+ R6 S" N) n+ g - break;
1 i" @* B6 }0 V+ Y, o - if (c == 'n' || c == 'N') {1 g; X: a2 L/ N% `" q: f
- printf("\nAborted.\n");# j! p# L! x. x' A
- return 1;
! T9 l+ u n" h% v- _6 I# _5 u - }$ V/ K' x: S8 z" H ]! p, G0 G
- }
; f: n, Q# ~" S. b o - if (writeparam(mac, stbid) == 0) + j' a# Q6 y, b+ [( K5 A
- printf("Parameters changed.\n"); c: Z* v8 z2 m- A$ T K
- ( I4 k" C3 E E$ I
- return 0;
. M3 `2 z C1 W - }
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