本帖最后由 0522 于 2012-3-21 23:04 编辑 4 u7 O+ p) [3 ^! E
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修改的代码早有了。到今天不会编译。
3 J2 q) E% X3 l6 K1 A/ p. e! ?需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, L ], W5 H& P) n `, }' j
- #include <malloc.h>( G3 Q, k8 x+ z" e
- #include <sys/types.h>+ m3 I' g, u" q% W2 O* r
- #include <sys/stat.h>4 Z- g; ~5 w6 g. ]9 t; {1 q
- #include <sys/ioctl.h>/ [2 @9 ]# U9 a5 Y3 l5 e
- #include <stdio.h>4 B! F! H$ w- b! w9 v( ?
- #include <string.h>
" n5 z: X1 k7 B9 H9 U - 6 v' }0 `. s2 `3 Q, \' c
- typedef struct {. f: ^( R$ \5 j, T" j) ?0 t
- unsigned int e2prom_cmd_sub_addr;" _$ |$ e3 P2 [7 L' U! c
- unsigned int sub_addr_count;
1 I- h" X+ X( g+ |, \3 u% I" c - unsigned char* e2prom_cmd_data;
4 p% ^! K$ O3 m) s - unsigned int data_count;
0 ^/ ~7 [8 f4 K( O; @; q9 W# @/ g - } e2prom_s_cmd;* V* _2 _. ?3 W' ^$ A( c0 I* z
- 8 s- i0 ~% {6 W" V# h: w0 K- ^( k8 d K( `
- #define E2PROM_CMD_READ 1
* ~1 D, |, V! c- o - #define E2PROM_CMD_WRITE 24 |4 G) r. t8 f; L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ x, e. {6 ]- w0 C
- : `; O- w3 W3 E) L- M/ V7 a
- static int readparam(unsigned char *mac, unsigned char *stbid)
9 X+ u6 \8 i4 a k6 f - {
" `) i4 ]/ J! ^+ j* _% j - int fd, ret;
9 x% S1 c" w# ~8 r - e2prom_s_cmd arg;
- F+ d# S+ A- I7 O5 @+ P) Z - unsigned char buf[0x18];3 z( _5 G: m+ Y, Z" y+ b$ r
" P4 X3 b0 D. N2 T' R( O0 R- fd = open(E2PROM_DEVICE, O_RDWR);6 U$ k. `# _ @
- if (fd < 0) {
/ K5 u4 \; A( g) T - printf("Device %s open error.\n", E2PROM_DEVICE);, n L" d/ T0 n5 U
- return -1;6 G' N" Z5 G+ c; n6 D1 ?
- }0 \1 H# F- o2 j* k, ^6 [, R
- arg.sub_addr_count = 2;
6 n& D( O1 V7 N! c1 }# A, h, r. } - arg.data_count = 0x18;2 z- G6 N" r7 M. l
- arg.e2prom_cmd_sub_addr = 0x290;
1 `$ z; A8 H. T - arg.e2prom_cmd_data = buf;* x) h( V; A+ ^2 u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); A9 a$ N2 ]* M& j
- if (ret != 0) {
7 D; K- S$ [7 Z8 c2 o, p8 \6 U - printf("Device %s read error.\n", E2PROM_DEVICE);
6 r k3 H' m r - return -1;2 I- Q6 a6 `: q! n) T" r$ x* k
- }1 D/ n4 t* y; E. \
- memcpy(mac, buf, 6);
$ D W- B K" H. N2 I2 v: A - memcpy(stbid, &buf[6], 18);
* a' P3 x& N3 B4 q3 b3 w2 x( D - stbid[18] = '\0';) r0 c/ L s& W) g
8 q/ u: B: g) i/ P. W: q/ Z- N" o- return 0;
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- # D# x5 h3 b# B: P% D' \9 h* \
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
8 s+ p1 B+ Q$ `9 U - e2prom_s_cmd arg;. @- O0 y) n' N3 r3 g: ^- ~( w q
- unsigned char buf[0x18];9 A9 J3 |0 E7 c8 o5 P! t
- 8 v! Z; E! _8 c" M! T9 f
- memcpy(buf, mac, 6);
! G1 D: H2 r; p3 `/ F$ R. e9 X - memcpy(&buf[6], stbid, 18);% ]- X6 _5 }$ @; ~
- fd = open(E2PROM_DEVICE, O_RDWR);" t& l( ^/ f7 N. ~9 ?
- if (fd < 0) {2 S! _& c/ B% M/ G* r: t) G d& z
- printf("Device %s open error.\n", E2PROM_DEVICE);
* Q5 o9 Z/ F& Y, f - return -1;( f* m, ?: Y/ A4 | y- W
- }
' h" H" p+ c! s" b! ]7 b2 u - arg.sub_addr_count = 2;
3 F; A4 r. ~7 \7 Q( q - arg.data_count = 0x18;. J0 u5 q/ t& _* t) d
- arg.e2prom_cmd_sub_addr = 0x290;: r m1 t) i a$ e7 H
- arg.e2prom_cmd_data = buf;' X1 `$ k" m0 I; D$ w% r% O
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; R' {9 r# y! R$ g2 H - if (ret != 0) {
* z* y: g% m1 f* Q7 [6 Y0 T3 Z - printf("Device %s write error.\n", E2PROM_DEVICE);# R2 |- d |( P; m* ~& X. ^
- return -1;
4 z+ k+ ?+ D+ S5 `/ X2 ] - }
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- return 0;7 w# R2 L3 W$ z+ {
- }
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- int main()
- r. ~) C% P; g8 c' w$ } l1 C - {
" i0 ]* J9 C) P; J/ `9 Y' `- z - char c;8 S1 \$ {3 J6 v; h3 F" l2 b9 ^
- int i, macs[6];4 P2 k: F8 a, g4 H% e% t' k8 t! Y
- unsigned char mac[6];6 |% J+ o. V. {7 g% Y/ P9 \) O. Y9 K' F
- unsigned char stbid[256];
% I5 s3 H1 ?/ z8 y0 n
6 X" l7 s Y1 s3 |9 Q T- if (readparam(mac, stbid) < 0). ?; h/ c/ j7 {$ `' m/ H! X. @, e* }; R
- return 1;% m6 p4 m" g6 Y
- ( _$ r( u8 [$ y8 ?
- printf("Current parameters: \n");
$ [5 `% m2 q) _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( t8 f0 J" r% H0 _& h0 D' ]
- printf(" STBID: %s\n", stbid);3 }' q% @- J2 j9 p' P
- 6 F& g9 h' @9 O7 S) E
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ ~; ^0 u! ?- ~; I, k2 C+ }+ l$ \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" J+ _4 a. [/ D/ A% l9 H - printf("Input MAC error\n");1 w6 k( C( R4 c8 ] [8 |
- return 1; W! e! ^2 l* s6 e$ M7 a: k
- }; u! I' G- m C, U7 r3 U
- for (i=0; i<6; i++)mac[i] = macs[i];2 T# Q" P! s4 A6 ]- }( X
- printf("\nPlease input new STBID: ");
) K( w5 d( Q7 W; O# a5 W5 s- g - scanf("%s", stbid);
+ T1 { J* o5 H3 f" [4 _+ ?0 y - if (strlen(stbid) != 18) {3 Y" {7 W0 P3 X) r# J- X5 Z1 ?
- printf("Invalid stbid\n");, ^* v# ]0 N' e* T8 b( t
- return 1;
5 o4 C5 c) N3 Q, ^. n- ~ - }2 |( Q4 Z. p2 s1 q/ A% r* f
- printf("\nNew parameters: \n");
/ g5 f/ H$ _! l8 O1 @! ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ F9 o/ X! o+ K" F6 e, ~ - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");* s& E* a+ X8 ~3 _$ O
- for (;;) {7 s$ @' [$ H! E% ~
- c = getchar();' P/ Q, F$ Q- e! t$ v! h8 x9 }" a
- if (c == 'y' || c == 'Y')5 R! N- C' P; u. x o7 b3 t
- break;
4 {$ b% q& c0 y4 |8 B% g& r( o' A - if (c == 'n' || c == 'N') {& z' s$ {% B9 N T2 ^3 _8 F$ ~
- printf("\nAborted.\n");
2 c' X" e) g, w) x0 D, q8 P" ] - return 1;
1 j* O8 M1 O; S4 z" y' k5 M - }! r4 B2 Z& B7 Y% q+ i/ x
- }
# `3 ^: O! Y/ c2 f) I5 ? - if (writeparam(mac, stbid) == 0) & g/ I/ c) Z5 {
- printf("Parameters changed.\n");
& i+ w) l5 D& L0 }3 m2 V
: Q3 J! g2 } X/ q# S3 m- return 0;
4 i; L7 z1 F/ f$ J0 b0 D - }
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