本帖最后由 0522 于 2012-3-21 23:04 编辑 . j0 R% z& W4 _6 F3 T
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修改的代码早有了。到今天不会编译。' @" k1 A+ Y+ g# W& W! |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- a8 }" e; G% {
- #include <malloc.h>4 N4 P% c+ q5 a7 ^$ Q
- #include <sys/types.h>
7 M* S- x7 ]1 A( G% c8 i5 z - #include <sys/stat.h>
' Z! f& Z+ \9 K - #include <sys/ioctl.h>: \( c, K8 ]- _4 ~$ R) R/ i
- #include <stdio.h>3 G& O$ `1 Q% V8 S
- #include <string.h>
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7 k* y6 [: Z" I4 O P* t* h# `% v6 ~- typedef struct {
( S( [/ X: U$ w/ {; x/ B# q" {7 b - unsigned int e2prom_cmd_sub_addr;! z' P% i8 S) c: O5 [
- unsigned int sub_addr_count;
5 l5 e7 r$ B# Y: s; P - unsigned char* e2prom_cmd_data;' g& P2 Y& I: P4 T; B3 E, p$ [
- unsigned int data_count;
& @* o" _7 T `1 G/ @8 Q: ^& O5 b8 Q - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
( x! V+ k! ^3 \9 N - #define E2PROM_CMD_WRITE 2# s+ o6 w4 {2 ]: W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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0 G) Y( v9 ~/ J5 m- static int readparam(unsigned char *mac, unsigned char *stbid)
; J) j( I. h! Q) o: B/ i4 q5 q - {% ~, D4 r1 w' c( q; \
- int fd, ret;3 }, C$ }* _; g
- e2prom_s_cmd arg;
; E% ] \- Q, X4 z. G/ u - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
- D3 H7 l/ } r0 f: U0 G, _# H - if (fd < 0) {0 ^3 k( }& K* y+ g0 c5 P- {
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 q" u; ?6 c2 c% q. E/ e - return -1;* Y$ Y7 q0 O4 a5 S
- }
) c. U4 {- Y/ m9 i% B$ \- q - arg.sub_addr_count = 2;0 a1 Z3 V) a# J0 K! U* f7 Y
- arg.data_count = 0x18;, a& t, s- i5 C- p6 P, ~( Y
- arg.e2prom_cmd_sub_addr = 0x290;
2 X j5 C& O+ v# Y+ j - arg.e2prom_cmd_data = buf;. V# l8 p0 m4 w* M2 w* C) {2 H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);' w2 T- ~1 c* ?0 b& L! J0 v; R
- if (ret != 0) {' Q% F% I9 [7 Y+ E9 }
- printf("Device %s read error.\n", E2PROM_DEVICE);' p1 M* V) s9 _$ n. _5 y
- return -1;5 u, x" p& o1 E( `; ^7 Z& m) a
- }6 j. c! o6 Y4 [- q" z: ?6 O. g) }
- memcpy(mac, buf, 6);* e3 I) D' p+ A$ C$ X
- memcpy(stbid, &buf[6], 18);' H2 {, y( j5 t2 t! F& p
- stbid[18] = '\0';
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. A) m3 e" n6 s, \% S# ^- return 0;: J" k- y( R% \7 i
- }
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5 _* @5 I# I. H" x, h. p, I- static int writeparam(unsigned char *mac, unsigned char *stbid)) b( _ Y9 }, A, y
- {8 w+ a! L$ b# z, j6 d ]; x+ j
- int fd, ret;
, Y, u, o- J2 J& U: M4 h2 M% ~ - e2prom_s_cmd arg;
' C8 y/ n: ^0 H9 t" c# [ - unsigned char buf[0x18];+ V5 P1 K8 h) E+ K7 ~9 t2 Y: k
- - i$ |+ K+ ~) g; e: H7 Z+ M
- memcpy(buf, mac, 6);0 ]7 w& A' h Y0 R9 Z* }9 S
- memcpy(&buf[6], stbid, 18);3 _, ^* k3 {" p7 @% I
- fd = open(E2PROM_DEVICE, O_RDWR);
/ e; e) Y. k) z& n/ G- H" c, b - if (fd < 0) {
9 d/ B" k; A% z2 F% L# j" c/ x - printf("Device %s open error.\n", E2PROM_DEVICE); N! X0 ^8 g& B4 j1 A- _
- return -1;
6 Q: p+ R C' x! g0 s - }
& @7 _& V3 L* P# w - arg.sub_addr_count = 2;1 E1 s/ b! {( O" j- K0 Q- f! O
- arg.data_count = 0x18;( p" ~- M, Q9 T0 e
- arg.e2prom_cmd_sub_addr = 0x290;
& a j5 a2 [) l - arg.e2prom_cmd_data = buf; {6 Q& k0 j0 ]6 Y5 A9 l$ L+ {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% o6 Q8 t3 T# o1 v& |$ e% W6 F, T
- if (ret != 0) {
2 { R" E% z4 t" B1 B - printf("Device %s write error.\n", E2PROM_DEVICE);
" Y) d8 O- k) B2 F# |( `& z$ U' l5 r - return -1;
a- w+ r1 Y4 S, T0 b3 i+ F+ A9 P - }0 Y8 q: M' j2 l5 ?& g- q: C0 h
4 }0 Y; c o; y. i" x- return 0;+ j6 V; v; e) T T* m9 ?
- } k( [, Z* b3 H$ K, H; y3 j
6 I @3 Y* N3 M- int main(); j; I$ n' @* A0 L% Z( {5 k
- {
8 a7 C: D4 `0 Z& \; p - char c;4 s& S8 y9 G1 H3 |+ e3 I! X6 b
- int i, macs[6];9 c' T+ _* J4 S1 o+ [# K
- unsigned char mac[6];6 i7 C8 S0 n% {
- unsigned char stbid[256];! T+ V+ P3 d8 p+ D+ A! v& d
- 0 E% \0 v1 n$ }/ ~, ?, q
- if (readparam(mac, stbid) < 0)
) ?* z3 r4 k" m - return 1;7 ~8 g7 l3 {/ n. c6 x) r' R( _
& P9 N( b4 v7 V- _/ R; k4 f; P- printf("Current parameters: \n");
3 [# {) m( }) l3 Y- |& O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: X: D4 r) ^/ H, P, U
- printf(" STBID: %s\n", stbid);8 C, E% W N" i4 i- A1 Y
- " H6 \, U4 N/ F# ?4 a; u A
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 Z5 p# {! K# a0 r( V0 N9 S - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 o! A/ F2 h4 M, Y, F* h/ D - printf("Input MAC error\n");
5 v- q5 W) a+ w- t t - return 1;$ F" o0 g: H- L o$ B$ i
- }0 o) z4 L7 r! {) h
- for (i=0; i<6; i++)mac[i] = macs[i];
' `' l" ]9 V- Y - printf("\nPlease input new STBID: ");
5 W# s" U9 k0 W& u. x( v, e - scanf("%s", stbid);: m6 A/ ^0 T$ ]' k
- if (strlen(stbid) != 18) {
' `. ]+ M6 j7 i - printf("Invalid stbid\n");+ s7 k; A1 ~: q2 ]% L$ E
- return 1;+ `& n# {3 c& J7 s4 E
- }8 `5 ]# E: @( W6 |1 `% ]. q9 S6 K
- printf("\nNew parameters: \n");
0 B! c" W! S. O1 @. k# C% \% | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 [5 q Z4 F. J# m6 w - printf(" STBID: %s\n", stbid);* v- N4 @: G* ^
8 x& O% _, i1 f! t- printf("\nDo you want to change paramemters? (y/N) ");! ^' a" G* s* c- K
- for (;;) {% q! l; y# t: [5 ]& f
- c = getchar();. b, j% q) I+ w# _" L- M
- if (c == 'y' || c == 'Y')
3 G7 m3 o6 q. j" g - break;
7 |" f7 Y: k4 V9 Z$ D' V - if (c == 'n' || c == 'N') {
' u9 a1 k9 G: W( m7 r# ] - printf("\nAborted.\n");& s; o! g% u+ n, }# s( t" r m& }
- return 1;& e5 v5 Q# v; y2 J
- }
: d, j6 h( [( H9 X/ { - }
" b6 S9 N" c) l4 Q, q5 \" I" H4 I - if (writeparam(mac, stbid) == 0)
3 h6 s( F7 B4 B$ G0 w* U - printf("Parameters changed.\n");
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- return 0;; H/ E8 @1 L0 D9 A6 z: v& X' ~
- }
复制代码 |