本帖最后由 0522 于 2012-3-21 23:04 编辑
* k7 o3 i* W6 v) l' \& ~
- J/ G* P9 q6 `/ ~: `修改的代码早有了。到今天不会编译。! @9 i- Z+ _' e. N$ [
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* r) t8 U* @4 i/ M% A. H
- #include <malloc.h>; R4 V! x' k9 ^/ d! p# F
- #include <sys/types.h>. p9 y: n- _' c% I$ ^
- #include <sys/stat.h>
6 Y) [7 {1 w. j+ @! L4 J; z+ | - #include <sys/ioctl.h>
+ J* B- W" ]8 s - #include <stdio.h>
& \# v' E$ l) R2 j - #include <string.h># `' U$ y0 Y. H+ y' a
- 1 p- |1 O @+ Y1 y
- typedef struct {) y4 \$ }6 O- {5 h: b
- unsigned int e2prom_cmd_sub_addr;. H) [" Z" G8 J! g4 L
- unsigned int sub_addr_count;
* X2 R% ~4 m* u9 o - unsigned char* e2prom_cmd_data;
; n* h0 K n7 U% o3 K3 G6 q - unsigned int data_count;
* C4 c; G V8 d; e - } e2prom_s_cmd;
, W) x8 k+ l3 q3 A# U - k, O$ @. V! j: B7 S/ W
- #define E2PROM_CMD_READ 16 r$ C A9 q" G& X2 `8 B1 k
- #define E2PROM_CMD_WRITE 2
2 c3 A& E4 O7 ?, u2 b3 P+ s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
8 [% v0 S9 X ~! A1 C4 i+ _
5 ]/ L! m" B, c% ~- static int readparam(unsigned char *mac, unsigned char *stbid)6 P/ p# e# R h1 g2 U
- {
' M& j7 R+ c- A) v4 M. J - int fd, ret;
: `, N! k8 S% G1 ? - e2prom_s_cmd arg;/ X3 T! c" ~7 e* `: H& h
- unsigned char buf[0x18];
/ d; G/ L+ ]9 C y* B0 N - 3 k1 t* G; ^) d9 J
- fd = open(E2PROM_DEVICE, O_RDWR);
" K% ~3 H6 l# z& c, g6 } - if (fd < 0) {5 m* K1 x: a- o
- printf("Device %s open error.\n", E2PROM_DEVICE);
# o6 \5 O& _& M* [; F j - return -1;
7 H- Z0 X% ^- q+ ^* u - }$ Z3 y- c- R/ [7 ` A% g
- arg.sub_addr_count = 2;
" A3 L- T3 l; R- _. k - arg.data_count = 0x18;
" }, d# `+ a s2 J) H0 A- } - arg.e2prom_cmd_sub_addr = 0x290;4 G7 [* J9 i# a; D. T
- arg.e2prom_cmd_data = buf; o- j. i" P7 P: {- M$ c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! c$ S% M! z# N5 k0 q7 n
- if (ret != 0) {
* @, u6 m: o% u5 w7 a8 s- w - printf("Device %s read error.\n", E2PROM_DEVICE);4 d& z5 `% p* u2 M
- return -1;
) x; e4 a' M5 d3 ^ - }
9 i4 h6 T) T @6 n% F! ~ - memcpy(mac, buf, 6);0 J6 c) m$ _( M. Q. J& \& i
- memcpy(stbid, &buf[6], 18);
2 X! g$ d1 w8 j - stbid[18] = '\0';
7 J- W( e/ S3 r$ [# R- |0 [ - 6 B! J. r$ c, }
- return 0;
6 ~6 I( C2 l7 z - }
! d+ R! G @/ m$ K - ?- Q; Y1 d; Y) H8 w, g/ t
- static int writeparam(unsigned char *mac, unsigned char *stbid)+ `- H+ I8 m8 n2 u! M
- {. ~* `5 ~" Y9 Q7 ~7 C( Q4 ^) @
- int fd, ret;4 F0 \3 L1 o8 D6 s
- e2prom_s_cmd arg;
& w2 P7 Q+ a% Z F - unsigned char buf[0x18];
& q! n5 {# s( h
) n# h: @- \' Z: B" _- memcpy(buf, mac, 6);* a4 A0 Y- W0 P7 a
- memcpy(&buf[6], stbid, 18);
) b7 @- J; r8 j8 _6 U$ c - fd = open(E2PROM_DEVICE, O_RDWR);- G/ h! z; H1 z- F. r
- if (fd < 0) {
/ M" g0 ^; h2 w7 u( v - printf("Device %s open error.\n", E2PROM_DEVICE);
% L7 x' X9 D8 C+ l9 s - return -1;
# s9 c& U2 p6 x* p' q - }& h+ E# I0 M6 Q& Z2 O% E
- arg.sub_addr_count = 2;8 G# j! I+ B+ L& n( @6 _
- arg.data_count = 0x18;$ v! v! H' e( S6 S. | z
- arg.e2prom_cmd_sub_addr = 0x290;* o" y5 M) l7 {. m ^
- arg.e2prom_cmd_data = buf;
8 h) N2 v3 l; a6 k j - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" s4 F' U8 {9 b0 J - if (ret != 0) {
% ?1 A3 a9 E, v, u - printf("Device %s write error.\n", E2PROM_DEVICE);
: r% ^, E* s3 ]5 s1 ^0 O, T8 @8 O7 k - return -1;/ R- i5 H0 m4 w) I* R
- }
( Y1 [7 ?4 u" r! c; c) |) i* a
+ n9 N7 |1 a* Z7 q% u5 |- return 0;
2 @8 x( ?( } t9 b0 Y: f - }
9 n' K' d+ d t2 K( e. q" _; h - ( S3 M9 l6 Y) ]; e: N
- int main(). B6 Y) R; ?3 I8 E% W8 v
- {
2 Q; U. e$ V1 C9 M) L - char c;
" U/ W: A5 C0 y - int i, macs[6];
5 }! i ~, Q9 } - unsigned char mac[6];& U# J8 q4 ~4 u9 m: V0 B8 x
- unsigned char stbid[256];/ K: G! O1 z4 \2 r" ]4 x7 i
- ; E- Y& ]0 Z& a: A* r
- if (readparam(mac, stbid) < 0)
1 p- x% G- X9 _/ W9 ^' V - return 1;
5 S& k: V9 [: H i
& b! u2 |7 b* q. H* u0 K- printf("Current parameters: \n");
/ A5 B! ~/ s6 [4 |. Q" f: ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 k6 P; p6 V d0 s# Z0 o9 u
- printf(" STBID: %s\n", stbid);" |: ~6 D+ F* L; n" D. x1 D+ L& I
- % Q7 X+ i8 e/ ~" C! G( W+ S
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 M5 p9 J) y6 G; d; W7 ~* H% o - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 F8 [) j+ G. K. }) }
- printf("Input MAC error\n");
4 d2 o ] M& m - return 1;
. w# v: F8 Y3 m; S - }
{1 l8 t( L" `" t - for (i=0; i<6; i++)mac[i] = macs[i];
N# e5 m' K0 n' l- C$ x$ O - printf("\nPlease input new STBID: ");( K8 Q& U C; H0 I1 J0 Z8 g
- scanf("%s", stbid);
; u4 Q+ {- A: \9 r) ?4 f+ _% r - if (strlen(stbid) != 18) {( e" {6 m4 B2 p7 W
- printf("Invalid stbid\n");; \3 J# J r3 S M
- return 1;
" h3 `. K/ }, ~; p( S$ ?7 k. \ - }
4 y# w, ]9 { y+ | ]8 ?3 U- D - printf("\nNew parameters: \n");
( i" s# E' e6 Y3 o# ~' [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
i% R& w: s+ v# @3 f" p - printf(" STBID: %s\n", stbid);2 j" h7 `' b& x, ~' t) g
- ! _! r, c4 a! j
- printf("\nDo you want to change paramemters? (y/N) ");* \3 |) n6 y8 q) G; G3 W0 |, G
- for (;;) {
2 o# c1 f8 g; `. o - c = getchar();( E: o1 ^% o) n% X
- if (c == 'y' || c == 'Y'): K, N) _' n0 i% E: l/ p
- break;) ~! W t- D6 U
- if (c == 'n' || c == 'N') {9 ?8 q3 X+ z- M8 L* `
- printf("\nAborted.\n");
4 s0 |( _# }- b6 z* \, X - return 1;1 j% B1 O! q! C
- }
5 ^2 C: X; Y; C9 [* x" F - }( F/ m0 P9 ~: _2 ~
- if (writeparam(mac, stbid) == 0)
; p5 O% r: B0 C - printf("Parameters changed.\n");# F' j& \8 H5 ?4 @( @, E! Z; L; `+ A
! O# i( F$ |8 _" V& W0 i0 @0 E- return 0;
+ E+ d, j9 ^1 G0 x - }
复制代码 |