本帖最后由 0522 于 2012-3-21 23:04 编辑 & \3 q( K% o9 k" E L, D5 P" _
a4 ]2 U* i* O) `5 t修改的代码早有了。到今天不会编译。
# w- b9 p+ p5 z1 O9 G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. b% Z+ Y/ x7 X+ k( ]% {
- #include <malloc.h>
3 ^7 b+ G6 R7 d& L3 @* x/ M - #include <sys/types.h>* k- \" Q8 }( X! J- K8 Q- }% N
- #include <sys/stat.h>
: ]. U$ {* J1 {# c- H - #include <sys/ioctl.h>6 `1 i9 |. o( R$ G& k
- #include <stdio.h>
2 h/ k# c. J2 ]5 k# C1 K4 h l - #include <string.h>' M1 O2 G+ v: x0 { q+ W
- # x3 K5 T2 U1 P; I0 y8 U" j' r3 {
- typedef struct {
5 d, e! q% v1 Q9 t) L5 [5 h - unsigned int e2prom_cmd_sub_addr;
$ l1 D, i2 b1 f6 f1 A' v" j! b - unsigned int sub_addr_count;% X: } m+ K1 K' C# @
- unsigned char* e2prom_cmd_data;
& C5 d7 F! g% s' N3 Z& R( x% R( O - unsigned int data_count;3 A* x5 w$ _& m4 d4 n0 Y5 }& H
- } e2prom_s_cmd;# p; O( r# O7 v
. ~3 Q; r+ G7 A( A' l- #define E2PROM_CMD_READ 1
) n C1 j# a$ m7 z( x - #define E2PROM_CMD_WRITE 2+ ^: o" F# {* X9 i: z, B) q* u8 T
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 s. l* n/ V/ O7 ?1 T1 I# A9 \0 Q
1 n- T2 V. E" j8 U1 b8 I/ B- static int readparam(unsigned char *mac, unsigned char *stbid)4 s& q( _# r# Q' S, p; u3 B2 ?
- {& g! d; G2 {- ^6 A) z' m
- int fd, ret;
" `2 [9 J9 A$ l; ` - e2prom_s_cmd arg;
5 Q; L: L7 ?! N5 Z8 X$ n0 q+ ~ - unsigned char buf[0x18];
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% Z$ K! c$ z5 }6 E- x- fd = open(E2PROM_DEVICE, O_RDWR);" M9 i( E# a: k* J% D
- if (fd < 0) {
, b3 L+ A3 j" T3 S- ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
% K+ [% m6 y& x) O( @! g - return -1;
; T1 S6 w; ^: b+ p - }
& d1 O. [# P8 ~+ P& R; k - arg.sub_addr_count = 2;
1 f* c) a& e: T. Y. F+ w3 Q - arg.data_count = 0x18;- A. }" x$ X- n$ G4 t
- arg.e2prom_cmd_sub_addr = 0x290;
9 r2 W' e2 B7 {& v - arg.e2prom_cmd_data = buf;
, h0 f4 R, Z* j3 q$ e8 U - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 O6 y9 \4 c6 ]1 J2 W! ` - if (ret != 0) {
9 t ?, F! K% p2 O% v - printf("Device %s read error.\n", E2PROM_DEVICE);. r, s! F9 G4 \0 T1 G
- return -1;; a. p5 z. D) }( B
- }9 G8 g2 J0 j: ~8 U$ o( T4 B. D
- memcpy(mac, buf, 6);) R$ v( E0 V* F. W- Z* W9 g
- memcpy(stbid, &buf[6], 18);
0 z0 j7 i6 b8 @: y4 v( l, c" C - stbid[18] = '\0';
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3 h4 e+ h" v2 M% o$ o2 ?& N- return 0;1 D S$ J( _' g" v+ N& I/ [: |
- }
; Z1 ^8 P: b, o' m, Q - * i' |0 B) p3 P0 m; F
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! {/ Y: y4 L3 I1 ?3 y
- e2prom_s_cmd arg;
% l- [# k- M( M - unsigned char buf[0x18];1 t6 n# N- \( r
7 w, y) C1 o# g, u- memcpy(buf, mac, 6);, u! `6 _7 p% q/ ?* Q
- memcpy(&buf[6], stbid, 18);
0 ^* z' W# a! y - fd = open(E2PROM_DEVICE, O_RDWR);: @$ C2 v8 h6 s0 t
- if (fd < 0) {
# [% a% M6 e3 v# s3 e+ G - printf("Device %s open error.\n", E2PROM_DEVICE);
( c. j* T9 R+ \3 z: j- a5 a - return -1;
* E( P& K) s9 O% c4 y - }
# A7 X, g5 Y3 |! d+ U - arg.sub_addr_count = 2;# B) o0 `9 Z4 T z n2 ~
- arg.data_count = 0x18;' o, ~6 q, O" R D7 V
- arg.e2prom_cmd_sub_addr = 0x290;8 \2 J5 s& l4 ~9 |8 R
- arg.e2prom_cmd_data = buf;
6 D4 ^) Z8 @" V: Q( q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 Q& E. C# K2 |! m: | - if (ret != 0) {: V& _: N$ I1 Y9 ?
- printf("Device %s write error.\n", E2PROM_DEVICE);
. M3 l) h Z" E+ @ - return -1;
" R5 u# o; S: Y7 Z - }9 P" |& w, B7 ?) n7 ]
! X9 d+ o; v; ]- return 0;
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- / P, o- {3 Z0 `0 w
- int main()
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- char c;
* } [" i/ G9 R" u - int i, macs[6];& Q- h, k& z. [# l
- unsigned char mac[6];% ]& H7 f( o8 O
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)4 ?! A! z6 u4 g3 p* A
- return 1;( L+ _+ r" Y8 f) X/ |7 K. q
7 _8 `" b$ D% \- printf("Current parameters: \n");
$ P! e* h8 Z% s+ L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- \2 J1 l: q9 C+ W3 y0 } - printf(" STBID: %s\n", stbid);& t% u' j4 x( |. V5 i% ?
- , |+ Z* J& ~" {, b( Y/ F
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 C) S" |; T o- F
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- K! E; H0 x. ]) _& \
- printf("Input MAC error\n");
6 l0 T# L4 o2 o - return 1;* D: c: a; ?( Y2 G3 |
- }
- M$ [! l- r& G' P8 {. W, a - for (i=0; i<6; i++)mac[i] = macs[i];
m- g3 B- a, r8 `& p b0 q1 D - printf("\nPlease input new STBID: ");2 m2 G$ X8 \4 q6 o/ Q+ R0 F6 g
- scanf("%s", stbid);
: v% E/ m$ r" U+ h" d4 n. X - if (strlen(stbid) != 18) {6 g8 @* Z+ E9 L! D+ N7 ?, _
- printf("Invalid stbid\n");
0 H! w$ [- s( X/ ~$ Y) E1 X - return 1;
$ B V h6 h& y7 H, q, H - }
2 W8 ?+ I I D" Y( ? - printf("\nNew parameters: \n");5 T4 U7 M& p2 k* X W5 Y& I2 ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* R- l! \/ ~/ I3 Q7 H
- printf(" STBID: %s\n", stbid);
' [1 u$ r! W6 t8 [; I2 E! q
1 h. |$ a3 _2 s& y2 ~- printf("\nDo you want to change paramemters? (y/N) ");
6 ?0 k0 I. ^% `7 L9 F - for (;;) {. L- X$ T5 S$ ]& @* F" C
- c = getchar();
" E# F/ A1 o1 L" @. | - if (c == 'y' || c == 'Y')
0 @: y6 \ u$ s5 j) F+ \$ x - break;
1 ]. m& N) R- V* |& n8 {& P - if (c == 'n' || c == 'N') {
7 h, l# n- A. C$ } - printf("\nAborted.\n");: a, X, f$ W, G; L
- return 1;
5 g# Z1 v/ K6 _2 h3 ~* d$ U - }
; a/ t" u+ a3 b& d, C0 | - }! F8 c# o0 } j1 ?7 q" k' |) t* }6 ]( K
- if (writeparam(mac, stbid) == 0)
# k8 B4 F& N1 ]" B - printf("Parameters changed.\n");' N7 Q" Q# G3 k
" D; Q0 E( H! q. @5 _& {. {8 J- return 0;* h; x; i( Y9 J+ Z; D
- }
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