本帖最后由 0522 于 2012-3-21 23:04 编辑 % T/ _( A, {4 i) O$ M) d
# l7 S8 m7 M3 ]8 D: z6 [! O修改的代码早有了。到今天不会编译。+ l9 m. X5 c, _9 P" J8 a. n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 h7 S! A8 [# w8 h
- #include <malloc.h>. u$ @& d# w8 P- v- u
- #include <sys/types.h>
- F2 }9 Y- U, V$ o2 |; L! L - #include <sys/stat.h>
9 z! F* |7 m( T - #include <sys/ioctl.h>
% |8 T7 ~* ?. J2 ?3 } - #include <stdio.h>
2 K4 A+ Q( n$ p - #include <string.h>
2 @" T8 `) T- T$ U) D$ B* o4 T
5 t4 A/ c5 E/ a& e- typedef struct {
; _! V; V! d/ @9 y$ W6 m - unsigned int e2prom_cmd_sub_addr;# |- K# _$ ~6 ^5 a
- unsigned int sub_addr_count;! H* ~" B r- o( G [& `
- unsigned char* e2prom_cmd_data;
! R7 s$ j% {2 K/ h) e$ W! V7 t% t; P - unsigned int data_count;
! c& {' F$ k3 j9 R3 R" h - } e2prom_s_cmd; z; z2 Q0 ^% T4 e- t
- 7 y4 Y0 }4 W2 T3 @* H; x0 q
- #define E2PROM_CMD_READ 1
5 L% t, L. e2 y/ D/ q4 m) Y' V \ - #define E2PROM_CMD_WRITE 2" L' q% }) C; b9 _3 \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": Q# g D6 x, C2 g. _7 K
- e5 ^9 J% M/ _) s' ?3 b: q- static int readparam(unsigned char *mac, unsigned char *stbid)9 f- Q2 s, ?9 X2 W. i4 p
- {
, G) }' F/ p! {2 E- l& j& ^ - int fd, ret;
+ H# T" p# J3 T. B! N - e2prom_s_cmd arg;. g1 |. c2 g) H' P& T6 \% ?4 C
- unsigned char buf[0x18];( U1 w: |1 h$ G% i7 S4 f9 ]
- ; P6 ^) ?* s8 o* T1 Z% L0 c/ p
- fd = open(E2PROM_DEVICE, O_RDWR);
9 D& @" a" z% y0 M m/ F( A% c1 Q - if (fd < 0) {; E$ X. g @3 r0 }) Q
- printf("Device %s open error.\n", E2PROM_DEVICE);5 `6 ]4 [* s: w
- return -1;* `. G( b' M! H4 D' P/ ~
- }
; B$ X9 D: k: E+ V& I0 J% A& M# T. ` - arg.sub_addr_count = 2;
6 \7 D: F8 P" G. ^ - arg.data_count = 0x18;
% T* Z7 h! ]0 I( d. n( c% y - arg.e2prom_cmd_sub_addr = 0x290;
a9 y: J4 b8 z% U5 V7 J/ y - arg.e2prom_cmd_data = buf;' c4 Y d: }! E2 o/ I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! h3 v# ]( W8 H8 E% I( Y o; D. F
- if (ret != 0) {2 @. t: P- Z/ M* P# R) e' ?: j: d4 T- J6 y
- printf("Device %s read error.\n", E2PROM_DEVICE);
5 }. @' s; s: \% f4 q. w, B - return -1;8 m+ v7 N2 k- R' T/ ]) \$ C( M- ?
- }) `! q# B8 O K. ~" p h) j
- memcpy(mac, buf, 6);9 H. [/ l; c- o
- memcpy(stbid, &buf[6], 18);" b1 j# q: v0 c- J& J7 ^9 g
- stbid[18] = '\0';' [9 o. b& l. |& m& ?
- # v/ o2 r7 Q7 e/ ~4 i7 Q+ q% z0 @- H
- return 0;
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- 3 E* Q" Q& W/ f# Z( A, J7 z
- static int writeparam(unsigned char *mac, unsigned char *stbid)2 a4 H: Y1 d% T9 o: m) `2 P- Q$ [
- {
) d; W1 m' ] d9 I3 g5 e - int fd, ret;; k( T$ s, _# p! F( Z
- e2prom_s_cmd arg;
- a1 W ~* o$ o6 u7 D - unsigned char buf[0x18];4 G2 g1 c5 ~4 Y3 f3 ~2 {, g* K, H/ I# P7 p
: P6 p( l ]8 x9 O3 C9 `; o- memcpy(buf, mac, 6);! n5 H) d# R3 ~+ e/ W7 R9 o
- memcpy(&buf[6], stbid, 18);
u1 g' R8 ^( K* }+ h4 `" r) N - fd = open(E2PROM_DEVICE, O_RDWR);
: S1 m2 N( N, }/ P; x - if (fd < 0) {
, M* v# L, X' P1 M - printf("Device %s open error.\n", E2PROM_DEVICE);
5 h1 b. l! i0 t- p* Q9 [ - return -1;
8 K4 c2 R. D" `4 N N - }
$ f# N$ M( r4 m' m# y! J" q - arg.sub_addr_count = 2;5 K% q% e* @8 W E. N" u0 v6 i! W- B
- arg.data_count = 0x18;2 _0 r& Z+ Y( n2 d& C H
- arg.e2prom_cmd_sub_addr = 0x290;+ Q/ ~' G; \& G& @$ V0 v
- arg.e2prom_cmd_data = buf;
5 O4 I; {& T/ Q) u% p - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 p# v0 {& ?* m0 _: t6 n: s5 u
- if (ret != 0) {
% g: `4 y0 D' @$ a4 q/ Z) S - printf("Device %s write error.\n", E2PROM_DEVICE);
! u: l* c1 M2 O; S- y - return -1;- h- d7 g4 ?5 p2 n, }1 H
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- return 0;
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# [5 T0 p/ x+ B3 n- int main()) H& e- M0 g6 C! @5 ^
- {
: b8 E+ H. [3 K2 J - char c;
7 i+ W7 }+ I) M& A4 a& e. j, t - int i, macs[6];( s- x$ W" o" e) q+ H
- unsigned char mac[6];2 k) V# h3 p5 a, V1 n+ Q
- unsigned char stbid[256];+ ^- u" s4 ]. K4 S8 A8 d9 ]8 H4 A
- ' K3 y* e* K+ G4 r1 h& p
- if (readparam(mac, stbid) < 0)% J$ |+ D9 n, a h" T
- return 1;2 C3 A; g+ J6 w
- 1 g! ~3 E* [" v/ {
- printf("Current parameters: \n");
& {; a( k* u9 X5 k$ m2 Z; l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: P/ |) z' K% E6 A6 ^/ p - printf(" STBID: %s\n", stbid);
2 e& J6 x4 P2 U' W; d/ n3 l -
( {: x# j+ N9 m' i6 `0 L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- J! A( d! z2 T7 b) c5 {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, L4 k3 C6 f4 b* J( {$ X; ^
- printf("Input MAC error\n");, J# q5 m3 F( N* i( }. g8 V* A
- return 1;% n5 Z; l4 q; P1 d
- }
( y4 a* v9 @- |3 z - for (i=0; i<6; i++)mac[i] = macs[i];: j) U4 X7 d, D! r2 ]
- printf("\nPlease input new STBID: ");1 x2 w) c, {* V8 o9 Q8 w* F
- scanf("%s", stbid);8 b1 y# R7 @) l' Q
- if (strlen(stbid) != 18) {
" v3 ^: G" W( ] - printf("Invalid stbid\n");
9 L) H, V! Q8 y% s: l - return 1;
( i* h# A4 Q9 ^. F - }
9 }) v2 I4 W- S, k- o - printf("\nNew parameters: \n");* J/ d, Y: R& ?' w1 x+ ]# G, X* C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 [0 z0 d2 `: x5 F
- printf(" STBID: %s\n", stbid);1 w$ ~2 F8 \7 y* E* R: o
6 K' ?/ ?0 V2 F) ?& i! F- printf("\nDo you want to change paramemters? (y/N) ");
( E# Q/ |- L! a - for (;;) {
2 [/ S6 T& x6 X4 R, i; i. u: R - c = getchar();2 Z# f2 |; v& J- z& q6 H
- if (c == 'y' || c == 'Y')- `: ?/ Q4 C6 V d5 D7 Y( j/ u1 K
- break;! B; A6 o. o* N+ L1 v
- if (c == 'n' || c == 'N') {) }; b; W* l/ h$ p& f6 c% @# F
- printf("\nAborted.\n");* Y% ~1 |% I( L7 p K
- return 1;
% @8 K* ~, T% A* B0 Q% \ - }
$ F- u# c+ h0 w7 e- x( j! S - }- o+ {3 |1 ?- h1 K0 `% E9 G* o
- if (writeparam(mac, stbid) == 0) : Z, V% e- C7 Y2 g- W1 `0 R
- printf("Parameters changed.\n");3 T' ?, r* \2 ^9 e% e
- ' c" {* I7 Y+ l/ m% v
- return 0;
1 o8 b% T$ p; d8 ` - }
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