本帖最后由 0522 于 2012-3-21 23:04 编辑
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8 `2 e5 A# I: f5 C9 F% A( [8 R$ i修改的代码早有了。到今天不会编译。
; j" R% `4 R8 o- F( c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 N) T# M5 J- H S6 ?
- #include <malloc.h>
8 C0 o# `: @" r h \ - #include <sys/types.h>5 J* d& p- ~# e; [7 Y; S4 k
- #include <sys/stat.h>
( b9 H6 c% O/ w9 f7 p( n - #include <sys/ioctl.h>
' C. z! ~ U5 } - #include <stdio.h>) ]) W% i! ^* k( Q* E' y5 ^# f& u
- #include <string.h>
& ]9 ~/ W/ I$ K1 b - & U D2 l3 g5 C/ d) c: P: M$ _
- typedef struct {
( ]: Q5 u9 q2 Z4 G; V# T1 l - unsigned int e2prom_cmd_sub_addr;' ^& H: ^8 _+ S: @7 I
- unsigned int sub_addr_count;
1 ^' m1 K4 m5 _& P% w - unsigned char* e2prom_cmd_data;
% d: p& C: Y- R- f8 H6 _) i1 p: ~# b - unsigned int data_count;5 ?) |2 K" S4 w& E# ~& I1 U
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1+ P2 M. B- s( U% q# ~& ~
- #define E2PROM_CMD_WRITE 2
" n% I" p" L+ \, l/ `0 Z. m0 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ D2 i* @2 m% @# I; [
- : O8 G/ |& B3 [
- static int readparam(unsigned char *mac, unsigned char *stbid)
! y- w9 c- A2 n( c" R0 k5 r/ R - {
) p: i9 K3 Z- G, q0 E0 h" Q - int fd, ret;
& u' o' E- x7 e0 U5 ^ S - e2prom_s_cmd arg;2 g# g9 b8 \0 p0 i$ e& L
- unsigned char buf[0x18];
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; _7 k7 k: c g' x* | k, V- fd = open(E2PROM_DEVICE, O_RDWR);
! K9 A1 I3 h( L6 F* s0 d" u2 a - if (fd < 0) {
7 T; E9 Q h# @, t$ z2 D - printf("Device %s open error.\n", E2PROM_DEVICE);% \' _) v; B) K3 }
- return -1;
* J+ T4 j; }! G6 ]- w" }0 X - }
`. z: K$ ^0 R# f& C - arg.sub_addr_count = 2;
: \: V" y8 R# [3 T3 ?: I - arg.data_count = 0x18;
( p7 {! [/ q6 y5 k - arg.e2prom_cmd_sub_addr = 0x290;
3 T; `5 w. O7 F$ T" z: n - arg.e2prom_cmd_data = buf;
* o% k) k3 t0 @$ p0 R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 n3 {4 u8 @4 N) m# h - if (ret != 0) { K" `0 V$ e6 N
- printf("Device %s read error.\n", E2PROM_DEVICE);& w, v* y* y7 M' d0 @, `' x" y2 Z
- return -1;
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- memcpy(mac, buf, 6);0 t! B; \/ R! U+ y" N8 ^ y
- memcpy(stbid, &buf[6], 18);. m8 }5 f; r* K5 D( P+ M5 }, Q6 p
- stbid[18] = '\0';; f/ h* V. j+ P" q* V
- % E- C; Y! e! {9 q2 Z5 A+ N( D
- return 0;$ b3 A& L% T7 I4 C/ |
- }! X. N* I h5 d3 Q' j) U# S# f
- L2 W6 b& Y& s2 r2 t! Y- static int writeparam(unsigned char *mac, unsigned char *stbid)4 L5 k$ }. k/ w. x; o& }/ x
- {
& a% ^$ `$ w, G2 J/ | - int fd, ret;
/ m! k+ a2 @- U* H# H - e2prom_s_cmd arg;( u; l: F& K1 y) {0 a+ K: Q+ r
- unsigned char buf[0x18];2 v3 P6 e8 b7 t4 ?7 Y( D6 S1 g
- , t6 H! W# c. w" I6 l. |- G( G
- memcpy(buf, mac, 6);# R. r: r# U/ t6 Y
- memcpy(&buf[6], stbid, 18);; {/ y4 G; P. x/ d* c
- fd = open(E2PROM_DEVICE, O_RDWR);
! H' E0 c3 [! o - if (fd < 0) {: w9 Q+ [- K( r3 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);/ n) x, w/ X7 w3 ]1 Y$ v5 A8 _7 T
- return -1;
1 u/ Z4 D3 S; L0 Y. E - }
+ U2 ?' r8 ~& U5 _4 S7 |8 S - arg.sub_addr_count = 2;" D9 [, G3 T I5 }* N4 k
- arg.data_count = 0x18;
+ v# e4 V. q5 e& g2 k! ]- D# H - arg.e2prom_cmd_sub_addr = 0x290;. X/ x3 W1 `% w Y( E- d$ H2 N
- arg.e2prom_cmd_data = buf;9 _7 m: n5 l6 O& W$ _* Q& |4 q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 f8 ] c: ]8 p. d: k
- if (ret != 0) {7 s1 \) ^+ |% s& l2 H+ r
- printf("Device %s write error.\n", E2PROM_DEVICE);
* u! J7 a/ E; Q* X& y4 w9 e- ` - return -1;7 x5 I/ \- V- `% Z5 s6 H
- }
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- return 0;( J2 N9 O# v ~0 d/ N: `1 x9 B7 _; S
- }
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) M$ ] U9 q4 a( P# E+ a- int main(): ?1 v) C- x0 ]" L+ P
- {: [4 {$ M: p2 H% C0 t1 c4 k0 X
- char c;
' P6 s* j5 U; W3 i2 d2 e - int i, macs[6];) U$ S) Y" q: k! E% T
- unsigned char mac[6];4 h& a5 O: B+ O" v$ Y1 l, L. |
- unsigned char stbid[256];/ Z+ C1 l- m8 x* l: [
9 C X1 {4 p! j, w0 f$ P2 G7 M- if (readparam(mac, stbid) < 0)
" M" V% v+ b: q- L - return 1;# s1 r( w6 ?7 a$ I( ]
7 t4 Z( e8 p4 m6 i& T& M: p ?5 r- printf("Current parameters: \n");7 L7 k7 |8 t6 X% J8 v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, k7 t; f$ X! y+ j) @ - printf(" STBID: %s\n", stbid);& g! d% R$ |# M& [3 \) m
- 1 f' [8 F/ J; K
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! F$ y: m; y/ K" v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; r6 d7 [6 S, ^. d# Y" s - printf("Input MAC error\n");
8 ^ o& }) I' u, [* h- m - return 1;1 d; c; y" k9 x' a9 e
- }
, s3 f# m" K! T) a3 g- {( j - for (i=0; i<6; i++)mac[i] = macs[i];
, F( V! A" `# \7 I - printf("\nPlease input new STBID: ");
$ p, b1 O3 t) X- Z - scanf("%s", stbid);2 x; s1 V/ Y6 c% W
- if (strlen(stbid) != 18) {) t1 n$ x* v) o) U9 q
- printf("Invalid stbid\n");9 @& P- e: J1 @2 `
- return 1;/ K9 X% M- B; _" K
- }7 J& ~! ] x: z' C+ A" q8 v
- printf("\nNew parameters: \n");1 J1 C( e7 E, p0 W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" g; _0 S" {% [$ U" k3 v4 U - printf(" STBID: %s\n", stbid);' _9 N) l; t4 e" ]/ f' k1 M$ ^
- , v3 ^* v2 h5 ]% }
- printf("\nDo you want to change paramemters? (y/N) ");" E! y, j% |) l/ D5 B- I1 _
- for (;;) {
. m( n$ T' V" L! W9 ^6 q - c = getchar();
- z. _; Y, O6 a - if (c == 'y' || c == 'Y')
) J5 a( T6 u" L6 f% I - break; R0 t P2 Q/ I" I+ P3 y _) ?
- if (c == 'n' || c == 'N') {
6 p# H5 @- X. e2 } - printf("\nAborted.\n");
' L9 S3 \+ q8 S& L; [+ y( t - return 1;
8 x! B8 J8 `9 i0 Z - }
; R3 }4 Y% f( ^" v - }+ y# M/ z! r4 Q( a1 V$ v
- if (writeparam(mac, stbid) == 0)
9 K* ]0 r7 k& N, p) e9 ]1 J- d - printf("Parameters changed.\n");
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- return 0;( x3 U2 p- I- M" w7 Z( r) l
- }
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