本帖最后由 0522 于 2012-3-21 23:04 编辑 * W z, o7 r9 h* r5 I
" ^6 C! s2 n P6 @ O修改的代码早有了。到今天不会编译。) _9 H7 z- Y [3 g2 I, w6 C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 c7 f) K8 g8 o8 y3 E0 b - #include <malloc.h>
! D- G. |, O+ |0 K# g - #include <sys/types.h>
7 T- z. `$ Z( b. H8 [ - #include <sys/stat.h>
: N+ r) n( X/ }5 @" M - #include <sys/ioctl.h>
/ g) q5 y$ k* M! J: t0 N - #include <stdio.h>
# {1 t1 S% Q5 q - #include <string.h>
: C( A2 h* q0 [
- |0 q/ |5 S% F/ T5 C- typedef struct {4 p H: y, @ E. D
- unsigned int e2prom_cmd_sub_addr;; t* b6 ?3 M6 T: a; p
- unsigned int sub_addr_count;
6 [" o5 m& @7 R- s+ \5 u - unsigned char* e2prom_cmd_data;* j" ]& Z- q4 ]- l+ ?/ z
- unsigned int data_count;
' h: {; p. y. V3 s - } e2prom_s_cmd;
% o% t4 |2 S2 o- L4 A - - P" @8 a0 d' h( \+ w( q
- #define E2PROM_CMD_READ 1
2 W+ `, ?$ m: d - #define E2PROM_CMD_WRITE 2
) R/ l) Q8 ] A - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' B& O7 s" M" t3 y# f
- 1 r- {1 f P5 _; A
- static int readparam(unsigned char *mac, unsigned char *stbid)
) B8 T! a% y0 @ - {
. |0 V8 V: n, z0 E5 ?' q - int fd, ret;6 J0 w# R2 Y% Q" R# k
- e2prom_s_cmd arg;7 Z h% t# v% z H* I
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);. ]8 ?2 W5 X6 ~2 L2 |8 I# n
- if (fd < 0) {
% t/ z1 t7 S: p/ _* i2 s- A; N - printf("Device %s open error.\n", E2PROM_DEVICE);
/ W& u8 ]* Q* [; x' s" L2 S) D* k9 n - return -1;, ^3 b# F Z: X7 m
- }# E0 T2 W; S. ~& b. l/ o3 B" b
- arg.sub_addr_count = 2;" Y) E* l2 Z. q+ J0 c9 r) Y; ~
- arg.data_count = 0x18;# Y) n: A3 F; t, P4 U* ~
- arg.e2prom_cmd_sub_addr = 0x290;+ W+ W( b( ^) w+ W1 o
- arg.e2prom_cmd_data = buf;
0 b/ m; s, {$ ]( N( e6 D - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: k0 B+ [: y/ E! N! z - if (ret != 0) {; ]; ^& T% T; ~8 m; b% s/ ~
- printf("Device %s read error.\n", E2PROM_DEVICE);
% L! u# ^$ l6 Z8 q! l5 J$ \+ _( U - return -1;* n4 I. w3 x; r* T2 n3 `
- }
& H7 ^- }# F4 h L# R- { - memcpy(mac, buf, 6);
2 q" v6 z8 c, d& X3 w - memcpy(stbid, &buf[6], 18);2 v* H+ h1 ^. m$ T u& l
- stbid[18] = '\0';
5 @( r: G% N7 Q! B% {. [% W: O
0 O9 Q) N$ U1 G/ N( ]- return 0;
/ P2 G# ?! d0 j! Z* H" w - }" V% v) s1 _6 U2 T2 Q
. A8 ~9 G8 I/ i2 P; b- static int writeparam(unsigned char *mac, unsigned char *stbid), g" |7 z; b! {; N6 ^6 Y
- {
* ]" }( b- i. h! D0 y' ~ - int fd, ret;
1 \: \: A" L/ f. q3 S8 \ - e2prom_s_cmd arg;
& q g2 \! x4 Z. d4 Q - unsigned char buf[0x18];# ~: E' P# f$ `, O C9 g
( A( G+ ?2 o0 ?, F; L/ E- memcpy(buf, mac, 6);/ p; l" ~+ \, E3 C$ a) i- U
- memcpy(&buf[6], stbid, 18);
6 m8 T* B% l8 H& Q - fd = open(E2PROM_DEVICE, O_RDWR);5 S: t2 }8 \2 Q
- if (fd < 0) {) S$ ]+ F* e. m" [' a
- printf("Device %s open error.\n", E2PROM_DEVICE);
: y. z8 W- O3 E% A - return -1;# l) T3 {$ Q+ n& a) W
- }
* R1 }/ p6 y% E; n1 z- I0 _ - arg.sub_addr_count = 2;0 a, F1 J$ O8 w$ ^0 t2 c' `6 w! ^
- arg.data_count = 0x18; N, a4 O- O5 O) }
- arg.e2prom_cmd_sub_addr = 0x290;
, `6 T1 j0 `+ e/ B' C# S7 A% u - arg.e2prom_cmd_data = buf;
4 h* P) i" K {$ P' c - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 Q$ X, Q" l3 O6 D' Z U# _ z - if (ret != 0) {
# m+ e" X) g' ], T; v$ f5 G' g - printf("Device %s write error.\n", E2PROM_DEVICE);9 O0 k6 D% S% g, M+ I2 F
- return -1;/ K& I. H. o$ T$ {$ S' C `
- }
5 L1 E5 e6 ]* H& j' @8 m$ } - - ]1 A Z" }5 C9 q# c- c
- return 0;- A( t! W9 h# a* p. p
- }& P. r/ B! L; s* \5 s& W% l
- $ g6 y3 |7 A; x2 r
- int main()
8 ^) p% B- |- e6 T+ C - {- d: ^8 D' N C" ~
- char c;, j' _& W' O5 x
- int i, macs[6];
, T) [! _, S" Z( d" T' p6 n - unsigned char mac[6];
4 R7 |; x: H- V4 Z - unsigned char stbid[256];2 u2 M% v- f: P* t1 q9 {& x& w) b
0 S) A6 k4 c; C; e8 q- if (readparam(mac, stbid) < 0)
3 u. K% D2 @7 ~2 s c7 B& ` - return 1;/ u% l! L/ r; `
6 Q4 u Q+ e) ^- printf("Current parameters: \n");
6 j# N9 H) v8 g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 K; m9 T" T4 p; H
- printf(" STBID: %s\n", stbid);
9 ~8 X4 ^) e+ L -
2 N8 e8 ~+ w: N2 Q$ S2 R# V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: `, D6 r. S6 I" l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { }" }: \9 l' p$ ?: Z
- printf("Input MAC error\n");
$ u N9 J' s, b; p+ _; \ - return 1;3 U6 \* p; m- C' n3 V, p4 T
- }6 U, g8 F6 T s1 c" B+ D, _
- for (i=0; i<6; i++)mac[i] = macs[i];4 r0 T% r2 O5 M
- printf("\nPlease input new STBID: ");0 R3 N7 @8 u/ ]* q
- scanf("%s", stbid);
4 M4 {' J! v$ }2 i2 S2 V - if (strlen(stbid) != 18) {
% a# x- c* j0 M( D$ u - printf("Invalid stbid\n");
* q) m" B4 C) W. F- z* L1 L - return 1;
6 w; Y7 K: ?) e6 { - }
3 O( s* x7 A7 x! A( |: d - printf("\nNew parameters: \n");
$ N$ Z' [3 ?# x; V, Z: I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! z$ T! f% z+ A% `) R4 V' @6 f7 | - printf(" STBID: %s\n", stbid); S1 O, c/ ]5 v7 X5 i _
- ; O6 H6 E! Q& n7 J1 i; }, v
- printf("\nDo you want to change paramemters? (y/N) ");) n+ Q" [6 |5 i+ q! e3 I
- for (;;) {- N9 X! l4 K K; w* H! T; y7 V
- c = getchar();
$ \3 P, r7 @/ [3 V+ N9 E - if (c == 'y' || c == 'Y')5 f: d. C$ U F$ C( C* Z
- break;. i- g" M" H; u+ |' b; M
- if (c == 'n' || c == 'N') {
7 _+ x5 S0 N. ?# U - printf("\nAborted.\n");
) {. H; \& p) y# W" |5 c6 H( P/ K+ _ - return 1;
. u* L* B, X c6 ]6 k# {9 m$ }; z - }
2 S" Q2 c# {" U: X" V# ` - }
8 p& M9 H- |$ ^9 g4 ^3 Y - if (writeparam(mac, stbid) == 0)
$ v% V! _2 e( N - printf("Parameters changed.\n");
8 e8 ^& e1 m2 `' t9 k
, r+ v+ Q& V& ?0 d$ D! A$ \; ^- return 0;
5 x5 Q! O" Z: A - }
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