本帖最后由 0522 于 2012-3-21 23:04 编辑
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$ v: u& R3 n& b, U修改的代码早有了。到今天不会编译。
J* p3 Q* k R" |: P; o+ @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ \8 {% R! N I0 U# k - #include <malloc.h>
6 B! i8 A; b. |/ |1 D. b - #include <sys/types.h>
/ e2 O3 `; q8 K" i2 W( | - #include <sys/stat.h>; D6 F4 D0 r C
- #include <sys/ioctl.h>
2 @! `8 b& W; @; r( \ R0 b/ G6 n: P - #include <stdio.h>
) ]) g6 {8 [0 b+ Z4 D" d - #include <string.h>; ^- R) Q: j6 w7 x# V( V4 K
% s6 r' c& Y3 W* A, `- typedef struct {4 r7 ?! j6 K7 [: ]# O
- unsigned int e2prom_cmd_sub_addr;
% ]% `+ X! Y' ` - unsigned int sub_addr_count;
1 ^! h2 V% w! `, V3 N - unsigned char* e2prom_cmd_data;/ }0 \; R' v# R& C+ E3 H
- unsigned int data_count;% m0 l8 |" j% [( p
- } e2prom_s_cmd;1 {1 T; e: `% S+ Z1 v, K
- ! {; T' g- @4 r# S$ c
- #define E2PROM_CMD_READ 1
- S7 v3 [. [, A( t$ w ^ - #define E2PROM_CMD_WRITE 2
% k3 d& [/ o, |3 }/ Z. ?- T! e6 T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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8 @1 i# a3 y: K& V0 Z: c0 m- static int readparam(unsigned char *mac, unsigned char *stbid)
3 B8 A+ a" N' `: b - {
, D: k8 \+ m# _ - int fd, ret;
I) k5 T$ D7 B" y. Y - e2prom_s_cmd arg;3 ~5 l- Z' I5 N9 E" B
- unsigned char buf[0x18];3 W, h1 j9 q5 _& \
- 3 {( Y6 x4 ~3 \/ I6 E0 m6 [. C+ s2 ]
- fd = open(E2PROM_DEVICE, O_RDWR);
( w/ G/ U8 ?! e% P3 Z - if (fd < 0) {9 \5 E( D% M* t8 Y4 e+ h1 r
- printf("Device %s open error.\n", E2PROM_DEVICE);4 ^6 u% {% p8 w3 F: M6 b
- return -1;. o B1 i& X0 H- a
- }
) d( b2 q# |/ Z& h - arg.sub_addr_count = 2;
/ e: z. U9 t; t0 ^) C. I - arg.data_count = 0x18;
6 d- E9 J+ k, A6 v6 b- t( {4 F - arg.e2prom_cmd_sub_addr = 0x290;9 q6 Y# ~$ B `& Z4 |/ S. B1 B
- arg.e2prom_cmd_data = buf;
- o' @) ^% [4 H: z- |( n8 k: b0 h - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 Y2 @: F# G7 U' q6 w
- if (ret != 0) {
$ i2 t" w2 ^# l5 s* i6 f - printf("Device %s read error.\n", E2PROM_DEVICE);4 {: R; ^1 U% T, `( n8 ?
- return -1;; O2 M e4 k0 B8 w- d: ?' ?
- }
- [) n" u$ o+ h( e6 B# h* y - memcpy(mac, buf, 6);
! @9 e! m5 }: Q, g( J [ - memcpy(stbid, &buf[6], 18);
5 i" J) m' H# n+ }9 o7 i - stbid[18] = '\0';
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- return 0;, ~2 A9 H! u% e j+ C
- }3 a7 }$ }- r- X
* \& h2 ?) F' y: \5 H( Q# p' b- static int writeparam(unsigned char *mac, unsigned char *stbid)
) f8 s& Y4 K' `9 @ - {7 J" b% O. G/ S1 H- O% O! s* `
- int fd, ret;) K+ z( b6 b9 I. e% X
- e2prom_s_cmd arg;9 M9 O# \ P5 S6 A
- unsigned char buf[0x18];: }0 X* @0 z1 O1 S
- 9 I5 W) T$ M7 B0 r/ E
- memcpy(buf, mac, 6);' D3 V. z) Y: J5 c" K4 m) I
- memcpy(&buf[6], stbid, 18);
: u! J" R( r/ f$ U$ x - fd = open(E2PROM_DEVICE, O_RDWR);, M u$ C3 m7 h$ h9 N
- if (fd < 0) {
- k: j# K5 h$ K# G1 N - printf("Device %s open error.\n", E2PROM_DEVICE);
) w6 c3 Q% u- f9 j - return -1;- b' x9 i5 q* H! Q
- }
8 @3 i% U' h- T- ?+ S* i0 @ - arg.sub_addr_count = 2;' @1 J# Q/ v8 Q9 K- f
- arg.data_count = 0x18;0 E+ Y" A) S8 K# ]8 J) ?
- arg.e2prom_cmd_sub_addr = 0x290;
7 o; a$ n& o: \/ ?4 T - arg.e2prom_cmd_data = buf;
$ y7 w0 ^, G. W8 B5 _2 D: o - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# z$ t1 ~- M) L n" f
- if (ret != 0) {
0 h& E4 x4 J( X2 i$ M - printf("Device %s write error.\n", E2PROM_DEVICE);3 M( T: S3 S% g- O( M; U! ?: ^
- return -1;" V/ _7 b/ ^7 {* T( W
- }
3 k3 ]! x) A# @$ I
8 g# D, P8 Q$ Y2 m1 T3 I- return 0;9 \6 }* b, X1 d1 r
- }: }: ?* {0 a% |, E
7 x3 m5 o0 n2 N0 Q- int main()
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- char c;
# k- p/ T( H5 A, ^5 s: K5 j - int i, macs[6];
2 y+ ^7 g& _, E8 E Z - unsigned char mac[6];5 Z. i4 A( L- X0 G
- unsigned char stbid[256];$ b: X5 a2 E3 ~: N Y- } |( g
- & J2 J; ?' ^ Y" [3 W1 o/ L# f3 S
- if (readparam(mac, stbid) < 0), F7 ]0 F4 a) G) n D! w6 V4 I
- return 1;5 g2 B+ E3 @$ d3 |* S x( }; _
- 6 q( m- e1 C: [! Y% O" `3 M( c
- printf("Current parameters: \n");* R& a. G- n9 f1 K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 x/ O( g7 A* { G. `$ \+ Y+ V! A - printf(" STBID: %s\n", stbid);: G+ A W% \6 o+ @: c$ W
- / F8 j1 x" X, S) E" F, W+ n5 f- X2 ]
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 H Q1 {6 D* v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! `- q/ W5 G6 j( B l1 }
- printf("Input MAC error\n");
: J5 M- y F2 V. ?8 B( ^) Z( { - return 1;
, W, Q$ e2 O2 v. j) ] - }
+ X& a! Y; L) J. B, P0 b - for (i=0; i<6; i++)mac[i] = macs[i];
$ P1 \; j" e* O' r* ]6 |# C - printf("\nPlease input new STBID: ");
2 l" N7 [4 I# h5 J8 S - scanf("%s", stbid);
# C! \7 f& m, S; L R# L/ W - if (strlen(stbid) != 18) {( e+ } i% M' c' m7 W4 S, W
- printf("Invalid stbid\n");! i0 R1 f; r4 h! k: F
- return 1;
+ T+ _" I$ U- _. x( M' [5 f1 ` - }
7 @' n# `" @: Q) n2 h - printf("\nNew parameters: \n");6 W: a4 }$ Z$ N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: z f, u6 c3 ^
- printf(" STBID: %s\n", stbid);0 T C5 ` G; r! Q5 z+ n7 S% G' e
- # s, v' L1 | M: Z1 H: d' Y2 B3 U
- printf("\nDo you want to change paramemters? (y/N) ");
/ Y' B3 Q, B. @* N# S* U) J( z - for (;;) {) {# z; d& V$ t5 ~4 c |+ M4 s7 B
- c = getchar();
& x2 }4 t8 M8 ~ - if (c == 'y' || c == 'Y')
7 B4 |5 |# t1 \! a - break;
! B8 F. H$ `) w6 b4 T - if (c == 'n' || c == 'N') {; {" Q# U: z. H, w
- printf("\nAborted.\n");# [# X# l$ s" A2 J( o; F0 ?- k
- return 1;
3 Z* l% E, r) F$ V6 ~ - }
/ R8 Z+ T, M# { _% c) B+ ] - }2 j+ P4 l! U: @, p7 N& {# \
- if (writeparam(mac, stbid) == 0)
$ _4 \5 h4 M$ N5 v( Q5 ]+ q - printf("Parameters changed.\n");" ?) T; e! P4 u0 Z7 n1 H/ I+ T
- 9 o8 u* ?/ T$ d, A2 M0 a; F* c
- return 0;
; [, x, C% n( M2 m - }
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