本帖最后由 0522 于 2012-3-21 23:04 编辑
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( L2 Z0 E7 Z; s$ t. D修改的代码早有了。到今天不会编译。$ b( J v, y& s( s1 N2 d! h1 C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. z# C. q9 y0 T% Y8 g o
- #include <malloc.h>
. P1 P s% N$ a8 u - #include <sys/types.h>
0 X: E& { o1 T) m - #include <sys/stat.h>
. n/ {7 k# m5 F6 g1 k - #include <sys/ioctl.h>
, g' \0 F8 ?( f- o1 h+ `" k - #include <stdio.h>
3 q7 B9 f5 x* ? - #include <string.h>" Q6 D# P" A6 S% @5 f+ T
- # L/ Z( ~2 l) q6 b
- typedef struct { q6 G( i; ~: V+ y, a# N
- unsigned int e2prom_cmd_sub_addr;# {& p8 f5 B |- ]
- unsigned int sub_addr_count;" \4 u( z4 Z# j
- unsigned char* e2prom_cmd_data;( d2 j& r q2 H
- unsigned int data_count;
5 Y- `! R3 U& s. E9 \+ T - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1" q$ u4 Y2 y( _/ d
- #define E2PROM_CMD_WRITE 2
2 c. J1 k# m3 i: C5 F - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 k& n+ I2 [* R3 [* q4 x
- $ k& K0 l' ^3 i# N! f
- static int readparam(unsigned char *mac, unsigned char *stbid)( c* P$ X* v1 N3 m: h" Q: K3 r
- {5 M" j6 z9 Y( Z- l' \3 s. K1 v) n9 q7 u
- int fd, ret;
! |7 ]1 i9 v2 i - e2prom_s_cmd arg;, {, h/ j- r! [6 Q+ F9 y p0 m
- unsigned char buf[0x18]; P0 {( ^) V8 V4 ?
: w; E' l' {3 `8 i7 m- J, s- fd = open(E2PROM_DEVICE, O_RDWR);
% E. u( |, ?( F- e& D' J% B( P6 e - if (fd < 0) {
' X. u1 t& f: M( |$ K - printf("Device %s open error.\n", E2PROM_DEVICE);+ n4 u4 o! e9 |
- return -1;7 k7 w. O ?) ?( M# e) s- A8 ~, J
- }* A( W/ \6 w6 H+ u$ B6 @
- arg.sub_addr_count = 2;% s4 w3 k+ D+ P
- arg.data_count = 0x18;
$ _. o2 _/ e% y! g/ i8 r6 U, i2 T - arg.e2prom_cmd_sub_addr = 0x290;; e" T; h2 r% T2 I
- arg.e2prom_cmd_data = buf;4 Y3 l& g7 @9 g% ]; a
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% W* I' U9 N6 A' ~
- if (ret != 0) {7 P4 W O5 _' [
- printf("Device %s read error.\n", E2PROM_DEVICE);, F$ q$ n3 m v. i( h
- return -1;
! b* _. {* b1 U0 G* i3 h" p* p - }
H7 ^. R2 ?' q - memcpy(mac, buf, 6); G$ \7 p+ W9 v6 S2 f
- memcpy(stbid, &buf[6], 18);, s, @) t; U j- s. F) w- J
- stbid[18] = '\0';0 C4 d* ~! j4 d3 } b: m
- / A; C% V' j1 }7 V2 e# R
- return 0;9 W+ i3 d- \! n: q6 D3 C; C
- }6 O7 { F( k8 s0 ^1 w
7 ~( m1 G4 W3 t1 @" D- static int writeparam(unsigned char *mac, unsigned char *stbid)+ I2 c1 O+ A6 \; A3 }
- {
- p" N& @9 q4 X8 D3 e$ ~ - int fd, ret;# z/ w) J x% |; F
- e2prom_s_cmd arg;
' P8 A. X0 c; U) N" p7 X) L0 F9 _ - unsigned char buf[0x18];
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4 l" R" n1 V1 |' Q# {9 S$ P- memcpy(buf, mac, 6);
& t& ~! w3 ^2 K& O9 ]2 Y, d* C - memcpy(&buf[6], stbid, 18);6 A6 u' O; M( Z f
- fd = open(E2PROM_DEVICE, O_RDWR);
( U6 A8 C; ~) p1 ~0 |, ~7 V - if (fd < 0) {' R, e/ A+ I/ U' ~; |' p2 I4 D, d
- printf("Device %s open error.\n", E2PROM_DEVICE);# W1 f _+ b1 b5 T# W
- return -1;
+ R, K- `; U. @- v - }
4 k/ V' b$ K# T - arg.sub_addr_count = 2;
5 ?- Q/ h- b3 Z+ f$ B* M1 m) R6 \ - arg.data_count = 0x18;
7 ~6 [! l$ A6 t* C, l/ s - arg.e2prom_cmd_sub_addr = 0x290;% ]5 B3 @. Q9 P) |8 v
- arg.e2prom_cmd_data = buf;, r+ Y: ^1 n* f0 ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- ~( h, N5 o/ |$ R6 ?% ^- \5 s/ F
- if (ret != 0) {2 }; T# l- ]$ o; G. D
- printf("Device %s write error.\n", E2PROM_DEVICE); U0 v+ L$ ?) w" g. [+ K$ X( M4 d
- return -1; E+ @/ _* y: j
- }/ q! b1 S9 ?, o( e3 Z1 f! ?
0 x' l7 ^! b, o/ P% j# v" f6 B- return 0;* p: B9 }% @! r" n2 E
- }
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: k" \. _% x: C8 N- int main(). Q; H+ r! G5 m+ s# M
- {5 P& K; A& g2 y0 S: Q
- char c;* q1 |2 Z. z7 @
- int i, macs[6]; ?9 n6 T$ S" J3 X5 Q1 r3 M5 e% _# S
- unsigned char mac[6];; \) N# z7 j/ f' Z, l3 f5 k$ A
- unsigned char stbid[256];& Q5 U) ~# v' h0 q+ C1 @
. g3 I j* C1 q! j- A E0 t5 |- if (readparam(mac, stbid) < 0)8 h$ N5 G) t1 j
- return 1;1 A1 m% W, Y3 p( A( Y7 U, R. {
- 1 y; h& k/ Z2 v3 i. @; E6 |
- printf("Current parameters: \n");8 V T* V" ]: W! b0 }3 w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 ]: a; k( ]) N/ q: b/ Z4 x
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' s& e: n+ s! z8 w+ D { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* b. F: \9 R2 {* ^ - printf("Input MAC error\n");. v' [( O! w( \4 K- q8 F5 D4 ?
- return 1;
2 d W5 w" p$ B - }
: a8 \/ W* K2 u - for (i=0; i<6; i++)mac[i] = macs[i];* U+ Q& b0 F$ U/ D
- printf("\nPlease input new STBID: ");9 h* ^, a! T. z; |0 j/ M
- scanf("%s", stbid);
! }1 P0 u! C% T6 `" B4 ]. L9 t - if (strlen(stbid) != 18) {4 }( `7 E6 t3 W5 @0 ]- v
- printf("Invalid stbid\n");8 c% o- f" S7 |
- return 1;" |2 b3 v; r! S u) r. F1 N
- }
" l1 C1 d" R& [/ J - printf("\nNew parameters: \n");
, P V6 ~2 n% H5 n$ o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! a i+ Q U, d' P* O- Y) ]- v( M
- printf(" STBID: %s\n", stbid);1 L' o) |5 s* s7 r: A3 i
- ]; f; A. q7 y& Q* O
- printf("\nDo you want to change paramemters? (y/N) ");1 c! d F# X) P' V
- for (;;) {6 R3 {* B9 R8 s/ L0 {' P9 {
- c = getchar();( v2 @) \0 @6 g6 _& L6 K* Y$ K, K
- if (c == 'y' || c == 'Y')2 }6 B( N) j1 P; Y3 t# o H
- break;/ M- a& x) c- y1 v
- if (c == 'n' || c == 'N') {
0 V1 A# n) u9 q: i - printf("\nAborted.\n");
+ T( H6 ^% \0 y; ?, V) G, X- |. o - return 1;
" d) N' W7 |& L/ n - }
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- if (writeparam(mac, stbid) == 0) / q( V% k1 x) |+ ~2 \' z
- printf("Parameters changed.\n");
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- return 0;
9 s2 B7 \1 n$ J _ - }
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