本帖最后由 0522 于 2012-3-21 23:04 编辑 & f6 ~9 e; H2 g/ i* b4 ^
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修改的代码早有了。到今天不会编译。
# @: B. ]; r; s/ \3 x t0 k( e0 A需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: U v; E6 o, E+ g- W8 s
- #include <malloc.h>' E5 g1 H8 j9 Z- _) Q- N
- #include <sys/types.h>: V4 n' `8 G( B4 ?/ I- T" u. s
- #include <sys/stat.h>: o7 B- v6 ]! k a
- #include <sys/ioctl.h>
( ]" v5 K2 ?; ~% Z: Q - #include <stdio.h>$ r2 W" g! e5 K8 w. j3 {
- #include <string.h> Y# l9 Q- x3 q3 U6 ]5 t
7 O- p- P$ M+ d% C5 c+ z6 f- typedef struct {
* I J1 d2 t3 a" l0 x/ N - unsigned int e2prom_cmd_sub_addr;, Y- `* P d% v; w* Z
- unsigned int sub_addr_count;
: y" ^0 {$ p' B& [ - unsigned char* e2prom_cmd_data;: S: ~7 I# |& a8 p% `* |
- unsigned int data_count;, E+ [0 A! f2 F
- } e2prom_s_cmd;1 E0 J2 \; E& Y M8 v4 A
- 4 a, H& m5 q, C/ A% \
- #define E2PROM_CMD_READ 1
8 c; U3 f, r! o - #define E2PROM_CMD_WRITE 2' G/ Y( ~+ j# `4 B5 V( W/ J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 C3 U6 ^* r- ?; u
- 1 `! U' L) m3 k0 i4 t
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) i: D) q {' l* [/ _) Q
- e2prom_s_cmd arg;. j3 k/ n# i% k+ `" n9 G4 [! T
- unsigned char buf[0x18];
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; X# s6 P6 e) @' B; X" q- L6 N9 T- fd = open(E2PROM_DEVICE, O_RDWR);/ j9 ]/ T: z! F# Y: r6 Q
- if (fd < 0) {9 ^: {& h8 }/ ]0 `$ [2 A1 J( M. r! }9 U
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 [* e8 l s9 S3 d' y1 [& Y - return -1;8 [0 m8 C2 M, g5 D' r$ R$ S. ?
- }# U' C) ]+ f8 }, E. }" @
- arg.sub_addr_count = 2;7 E' [2 n% m1 H7 M7 V$ ^
- arg.data_count = 0x18;! Y& N% I- X6 G9 T7 Q2 q, Y8 _
- arg.e2prom_cmd_sub_addr = 0x290;: c7 c2 U! M2 s5 G: H2 f
- arg.e2prom_cmd_data = buf;
# H p% d' G0 s! H. b7 ~! d* o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 Q; l" K/ q w- F2 ?% c" \
- if (ret != 0) {
7 n( p5 }* _3 t4 I4 C - printf("Device %s read error.\n", E2PROM_DEVICE);) n) [) a1 w7 O7 ^2 t' K
- return -1;+ _) G& G3 M' U( s
- }% b9 c9 J& K8 X9 z' K
- memcpy(mac, buf, 6);
. |' I, _1 f8 f' M3 x - memcpy(stbid, &buf[6], 18);
& |8 F5 ]0 o, G6 @9 f% X - stbid[18] = '\0';- z a2 `. d3 I" `( [: C4 P
- 1 r' T. L: O I8 [
- return 0;3 p8 j2 \: y/ |
- }
" q1 M$ k/ m0 Q; M e8 v8 ^8 Q - 6 b- V- w4 h* C- E N" \
- static int writeparam(unsigned char *mac, unsigned char *stbid)
- D6 z2 q2 @/ }: G+ b" r8 ?8 P - {3 v! t# J9 ^% o% ?% N0 _% Q8 ^% M
- int fd, ret;5 N0 Y- @- j% I! h u, @. z
- e2prom_s_cmd arg;
. K; Q" A" d7 K. N, f! u - unsigned char buf[0x18];
" ^ \/ q1 }. u5 j* {
- e6 q* E+ M" T6 ]4 F- memcpy(buf, mac, 6);
. l/ `1 S/ P" X9 {! E. D$ g - memcpy(&buf[6], stbid, 18);
( {" O7 o6 {- r5 ?1 _% U4 W - fd = open(E2PROM_DEVICE, O_RDWR);
) v5 D4 c0 K3 D5 w3 C - if (fd < 0) {+ g2 b/ j Q7 ?! n- U% m, v9 H0 @
- printf("Device %s open error.\n", E2PROM_DEVICE);
& }' }! ?) m: x" M# B - return -1;
C% V3 f/ D: T' y/ ^% G0 C - }! H% d: U0 v3 j1 Y# e
- arg.sub_addr_count = 2;
. y, w; }/ J7 K* b% L - arg.data_count = 0x18;
4 S1 \$ c7 j( i+ Q$ B - arg.e2prom_cmd_sub_addr = 0x290;' R3 h* e2 N9 @- D! N9 z* _9 M! X
- arg.e2prom_cmd_data = buf;
- t! J) d# S' I2 f' B5 C4 j# n - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 M/ h. U3 D t* x- A7 p
- if (ret != 0) {2 E: o- q, P* |/ G) }. @
- printf("Device %s write error.\n", E2PROM_DEVICE);& B/ U; d* T! J' W
- return -1;
9 [" l k# t9 R/ C* Y - }
# |/ Z% m$ Y# c( {! N* }* _) U
5 a. K1 i1 [6 r; A- return 0;
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- / V# h/ ?0 C% t- V
- int main()
9 m; p" P! C4 a - {
: H( s& [: c0 r- W6 W - char c;
+ \! ]3 ]" V& ^( g! E; P - int i, macs[6];; X: x7 N. y8 o* B# N
- unsigned char mac[6];: Z# u+ ^+ {- C& ]
- unsigned char stbid[256];" s0 r7 V) @8 t+ w8 G
- * u/ y6 |! u4 M+ y$ {
- if (readparam(mac, stbid) < 0)1 l: u& l# L1 q# h
- return 1;
9 I# ~* q: q6 C% B0 {
5 }( P1 u3 j$ v) Y- printf("Current parameters: \n");
, M6 U9 X# a7 U, ]7 U: Q5 R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ c) H" u1 H( v+ H$ U& j - printf(" STBID: %s\n", stbid);( n5 ^$ Q' A9 t- l& K
-
/ d% B. f5 \+ U - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 j. }# y! M0 j- I
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 h9 N- t' t/ [! h; x+ ` - printf("Input MAC error\n");
( |% S/ f# X& i3 I! G - return 1;
- y5 E& W4 D: I% k) U - }5 z: [ J6 x0 T- s
- for (i=0; i<6; i++)mac[i] = macs[i];7 l" a2 Q. w4 l3 F# j7 U* t) ^
- printf("\nPlease input new STBID: ");
B' n* e* o& l! \$ M2 ] - scanf("%s", stbid);0 I8 @; X7 H3 b8 G! g
- if (strlen(stbid) != 18) {
/ E4 y& R( _+ Y- r1 Q# I- G( [ - printf("Invalid stbid\n");
& n) y' A/ [, [3 E( n9 m" M - return 1;2 v! E$ E& w3 c8 ]- I# |3 b6 t
- }; @# l& D% X; {$ j7 }- K- j
- printf("\nNew parameters: \n");1 R8 P$ f$ D$ }7 F( n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, E) A+ m# ]$ P J. p
- printf(" STBID: %s\n", stbid);
- |( U7 D4 g# C& j' @% u - 9 W* ?8 j) d- `4 Y9 e7 {
- printf("\nDo you want to change paramemters? (y/N) ");
0 R1 w7 z& J0 w, [' j - for (;;) {( @/ b& @- W6 b' z: W8 D/ r- S7 x
- c = getchar();3 ?1 N7 f" ~( e! m) L, t0 ^, r
- if (c == 'y' || c == 'Y')
/ z$ K6 w) c9 _5 O2 ]2 ] - break;
# \; E4 O/ c2 O7 g8 M - if (c == 'n' || c == 'N') {
; a% W4 T* H, d; Z. n - printf("\nAborted.\n");( t* V5 m7 m) _. ~0 V$ ]& J, r
- return 1;7 ~" n3 v1 r o' h7 M! M4 j# G8 t5 B) @
- }, I/ P# D7 A- \! S1 v6 ?
- }
" l% c/ i8 l9 u% V5 c/ M - if (writeparam(mac, stbid) == 0)
) z6 s- ~+ K+ L - printf("Parameters changed.\n");
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- return 0;/ Q1 a4 Q$ b! |$ V$ G1 I
- }
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