本帖最后由 0522 于 2012-3-21 23:04 编辑 ! R' F2 {* ^0 \9 k% C+ I5 B* G) i
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修改的代码早有了。到今天不会编译。
! X8 ^. \6 G3 N# W需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 \( r2 s4 W1 B/ N1 ^$ ^
- #include <malloc.h>
# a j3 _; m4 M" v2 A8 ^0 C& |, Z - #include <sys/types.h>2 J- X+ u6 }1 }: _2 i; a. W1 c
- #include <sys/stat.h>2 C4 Z; @: h0 {6 I* H+ s
- #include <sys/ioctl.h>
6 m4 w3 [; d! @8 X - #include <stdio.h>
+ ^/ _6 H) s% P1 i - #include <string.h>/ ]3 t4 G# e- o
- + j; }5 Z- ~: Z& q9 O* i
- typedef struct {
5 I3 r5 _8 {7 ]+ R - unsigned int e2prom_cmd_sub_addr;# S4 c8 V/ g# P" I0 ~& G
- unsigned int sub_addr_count;
& j2 Q# a! W4 q - unsigned char* e2prom_cmd_data;
# S3 M; B# v" v- M - unsigned int data_count;
2 H& H8 z6 Y* w! z m/ C) S) _ q - } e2prom_s_cmd;5 Q- L6 L9 H/ c
- 4 b ^! ?+ I$ \3 K5 c( q
- #define E2PROM_CMD_READ 16 p: s; r; `/ t% p
- #define E2PROM_CMD_WRITE 24 W8 O5 Y4 F9 n4 X, ^* z; H2 N
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' p3 E8 U* b h* ?& ?; R, Y
- 3 q& ], B# o/ Q, ~9 D8 e- N* D5 [
- static int readparam(unsigned char *mac, unsigned char *stbid)6 @. j% e# O. M7 Z# \
- {% n9 q; _' c+ ]. ?2 L
- int fd, ret;" d9 l, ]. ~ `( D) K! b
- e2prom_s_cmd arg;
8 K2 u0 V. @7 N7 U0 j2 N" e, C - unsigned char buf[0x18];& @+ |9 I9 L3 W4 {0 z i
: ]* F4 j+ q2 O' a3 P- fd = open(E2PROM_DEVICE, O_RDWR);
% k" f w" G/ o4 y - if (fd < 0) {
, E& _3 s9 N2 u8 N. b9 l - printf("Device %s open error.\n", E2PROM_DEVICE);1 n2 Y2 F! ~* ~4 \/ c- X! f
- return -1;
0 U5 e& K \( @$ J" _4 F: Z - }
; D: s% P8 h/ z - arg.sub_addr_count = 2;1 J; R' z9 w9 n- n7 f
- arg.data_count = 0x18;
2 d* \2 b. b: j - arg.e2prom_cmd_sub_addr = 0x290;6 _, c6 R& S- M6 x# d2 `, |
- arg.e2prom_cmd_data = buf;
% i9 D# l5 \3 m* R7 o, w3 q; i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ k: i1 [7 D r" i) j3 _4 [ E& L+ d
- if (ret != 0) {
$ t5 T: c4 Q2 @ m - printf("Device %s read error.\n", E2PROM_DEVICE);
; s. ?6 {$ n$ H# t7 c! f - return -1;9 A8 w# b) {4 ]% u f
- }
+ w/ J+ _, I" O# e - memcpy(mac, buf, 6);
, i! \. y5 P& S+ ` - memcpy(stbid, &buf[6], 18);% R2 ^0 t7 }2 u- K0 V
- stbid[18] = '\0';
/ f4 I9 Z1 h* Q g+ f - 3 R* O4 P8 u3 O+ n b; R
- return 0;
' S+ J2 k% v% \: R - }
q% {7 z7 V1 ?* u" W - - q2 E# [( Y* M8 l! w
- static int writeparam(unsigned char *mac, unsigned char *stbid)
- W- @* k6 z+ w. p7 B3 H/ S - {1 z, u. o* s% i2 o+ |& l- c
- int fd, ret;
* u4 q) H, x# x1 a; F5 {+ M$ | - e2prom_s_cmd arg;
3 j; d! {) r6 Z, y/ w/ X+ ` - unsigned char buf[0x18];
9 V1 s3 H7 M7 [6 v4 S# l7 L
' s; L! R( ]! Q) V% Z- memcpy(buf, mac, 6);" E( a" V: j& p2 n, u$ u; P
- memcpy(&buf[6], stbid, 18);
8 f: l. I. u3 V( t; Z; N; R/ \ - fd = open(E2PROM_DEVICE, O_RDWR);
" F$ P/ b( n% B( z& h; K+ K - if (fd < 0) {$ E: @5 Z" ?! G* ?0 _7 N: ]
- printf("Device %s open error.\n", E2PROM_DEVICE);
- d* v2 d4 b0 b+ V/ { - return -1;
, |3 }5 I. w# j5 L$ t - }
+ Z& P/ c" t2 H8 g$ z2 i, o1 L0 u - arg.sub_addr_count = 2;
% [( B$ p7 ^# P# [9 Y) ? - arg.data_count = 0x18;
6 o) h& x4 b$ W' D - arg.e2prom_cmd_sub_addr = 0x290;; [8 p$ Y: P5 @+ |" U# z
- arg.e2prom_cmd_data = buf;8 b' ^' P8 Q$ E. o# u5 [; E
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- h0 E/ d5 t! N8 f& o+ i - if (ret != 0) {: Q5 K# v$ |& M7 k6 g
- printf("Device %s write error.\n", E2PROM_DEVICE);& }% A# G; Z. ]! p$ B4 H3 R" x
- return -1;
9 F, H- G1 v: R2 s - }
3 [7 |6 f8 Z2 M' | `5 @
8 ~! m. ]' a4 G- return 0;
7 N1 y2 v, E% ^" q) e/ }- y# |5 ~( | - }
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& |8 R( M* P# C4 [3 j- int main()
1 d8 q) Z+ d; ]5 [ - {9 S1 V) h" g. e" Y
- char c;: ^( v8 Q) j# J) p" w, k4 W8 F
- int i, macs[6];, [2 t& x& W9 e
- unsigned char mac[6];7 I$ T( I3 n, D. X6 m' b2 t _
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)) w7 w8 c( B% x9 a( I2 K
- return 1;
. d) C1 c/ X& y1 l, R
$ E/ J! n+ E3 d# Z$ E# |) y% g7 u- printf("Current parameters: \n");0 Z u9 t! P8 P0 ~
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% f% D! _- d% y: [+ S! r
- printf(" STBID: %s\n", stbid);$ E( J0 Q6 {" V
- 3 L5 u5 |) V2 a7 ]2 ]( F1 P/ I
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 F! e% r. g% |8 h$ H" `1 w9 z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 u0 p5 G* D- e9 b/ |# o - printf("Input MAC error\n"); G6 i& `$ u2 v$ _( Z
- return 1;0 _: E* A3 |8 g) f6 A
- }
* S5 u$ D6 r( |* D" u - for (i=0; i<6; i++)mac[i] = macs[i];7 d. h3 E3 e, i/ Q: Q; M6 r
- printf("\nPlease input new STBID: ");
( u4 }0 o) [1 `6 D" }- J - scanf("%s", stbid);/ Y+ U5 Q0 o' X/ r% h! [
- if (strlen(stbid) != 18) {) }6 m+ }- j4 R a ^5 N0 q
- printf("Invalid stbid\n");9 a- Q2 ~ `: _# f8 D4 e
- return 1;& _4 O2 ?) b$ _: _2 F4 n7 X% u
- }8 C$ v+ F- n1 Y
- printf("\nNew parameters: \n");& j9 I4 h- P% p$ b. V7 l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 W- \2 @* P! e: @. U3 I/ Q0 K
- printf(" STBID: %s\n", stbid);. H/ a6 Z" `5 X1 g- N
- 9 h2 H4 g/ J! T! G
- printf("\nDo you want to change paramemters? (y/N) ");
+ A/ U* G, w1 Y7 L - for (;;) {
2 y/ b5 @0 @0 d1 b+ X0 T' a! J - c = getchar();
9 S2 L3 s: Q) C3 T' R* M7 K1 q - if (c == 'y' || c == 'Y')( \( {; ]* @+ h$ y; m
- break;
& l# x; D6 H3 a% V - if (c == 'n' || c == 'N') {
4 G I$ L+ q( F! Z0 r! k/ f0 a9 z9 L - printf("\nAborted.\n");
. z% p& j# \5 u8 e/ u e+ h( D% S& [ - return 1;# j+ X( N* U R$ E2 _- X
- }
+ |- o$ g9 y2 Y- x& k( h8 {" U2 a3 e - }
4 D0 L) F( n; E7 K V9 I; E - if (writeparam(mac, stbid) == 0) 4 z& Z* ~# T/ u& o
- printf("Parameters changed.\n");/ n4 e/ T/ |7 m6 }! e
+ |; l8 a" \. e" D2 j- return 0;1 i/ ]' Y1 d7 V" j: Q0 _% |$ O
- }
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