本帖最后由 0522 于 2012-3-21 23:04 编辑 % ]+ c* K. Y& `. S: U) p
- D. T! k/ {5 W修改的代码早有了。到今天不会编译。 r; r; l9 E. n% M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" k4 u6 U7 [2 u9 ~ - #include <malloc.h>5 J4 B( G) i7 \+ I( a, m9 w) Y
- #include <sys/types.h>
5 r. \5 E$ M: O - #include <sys/stat.h>$ q7 w) {9 \# k. s5 v6 Q: h' D u; A
- #include <sys/ioctl.h>4 N) a$ n6 d: \7 K0 d
- #include <stdio.h>6 R8 |6 j8 q- x4 G6 E
- #include <string.h>' ?/ m' L {6 Z: s z
- ( i- x0 r. z( b1 k" |
- typedef struct {
# B6 R2 M4 O9 D# j4 f5 X$ @ - unsigned int e2prom_cmd_sub_addr;2 r" A6 c/ b8 I
- unsigned int sub_addr_count;
" }, m% m% g0 K - unsigned char* e2prom_cmd_data;+ w; M* M$ n$ j, u: W2 O
- unsigned int data_count;
' e9 z" ?9 d1 C- D3 T$ w - } e2prom_s_cmd;) y( |1 z/ C" L7 |, F! ]
0 Z" s7 g, X6 \. g# Y- #define E2PROM_CMD_READ 1
0 C, e8 W! F+ y/ o - #define E2PROM_CMD_WRITE 22 R4 |/ H' n: ]9 }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( [6 w. q* R1 Y0 q" ~7 }
) m+ L! W2 L# o# m+ Y I) ]- {- static int readparam(unsigned char *mac, unsigned char *stbid)
6 `2 C8 ]. G) P+ i5 Y) [ - {
4 F) ^8 o! S( y9 G* z# s - int fd, ret;
0 M n- a. n* [4 K - e2prom_s_cmd arg;3 l% ^& {- ^+ A. C! H/ D, @; U+ G/ b$ U
- unsigned char buf[0x18];6 p' Q2 k6 ^" k/ w7 @
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- fd = open(E2PROM_DEVICE, O_RDWR);
, \1 o1 S) J3 l - if (fd < 0) {
% `6 R( h$ f. _ - printf("Device %s open error.\n", E2PROM_DEVICE);7 k9 Y6 s( M) y8 R2 l
- return -1;2 B8 r5 ^$ Q3 d9 T: I$ }, r/ j0 x
- }
1 W! |: T4 Q S8 U4 n0 o - arg.sub_addr_count = 2;
. C4 W9 j7 H4 W5 } - arg.data_count = 0x18;) U% ^0 v4 y: z; o
- arg.e2prom_cmd_sub_addr = 0x290;( y q) y. B! J
- arg.e2prom_cmd_data = buf;3 U) ^# R/ B- p% j w2 ]
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ l: U$ S( n! y% k( ~# I, x - if (ret != 0) {: ]7 W ]: x' E+ v) e, O
- printf("Device %s read error.\n", E2PROM_DEVICE);/ m. T$ X( F* r8 A
- return -1;. N, W, r" t1 x& ~
- }% k, |; l0 T1 `( m4 W( f
- memcpy(mac, buf, 6);5 N2 z: ~" N, r) u2 B) |
- memcpy(stbid, &buf[6], 18);
9 Z: Y- I8 a/ b. k: c - stbid[18] = '\0';
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- return 0;
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- B9 }7 Q" o3 |" N6 T: g/ m- static int writeparam(unsigned char *mac, unsigned char *stbid)$ I- v0 |6 S* c; m. _& J
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- int fd, ret;
! h# e8 F/ S7 v' a - e2prom_s_cmd arg;( P, c: g# \8 t+ d+ u
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);; J7 c3 h8 q2 d- B) o
- memcpy(&buf[6], stbid, 18);
" a9 y! Y) L2 U' D+ s - fd = open(E2PROM_DEVICE, O_RDWR);- [ W( D m( o7 m" N9 Y8 L
- if (fd < 0) {
: [: |' D5 R6 g2 u7 J; u - printf("Device %s open error.\n", E2PROM_DEVICE);5 G8 z. j8 I* j2 w
- return -1;9 y6 C& m4 I! F2 b5 t
- }
: H1 K9 g' f, Z( _+ V' D - arg.sub_addr_count = 2;/ |9 q }+ i2 f& _. B# v( a8 G
- arg.data_count = 0x18;
* O2 R: V+ A, Y* [1 ~7 _ - arg.e2prom_cmd_sub_addr = 0x290;3 Z. n8 z- Z6 }1 Y6 B }, J$ R' i* G. N
- arg.e2prom_cmd_data = buf;) c- q) g+ [+ M- k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; w* K- T: O! H6 O/ S - if (ret != 0) {) q& D+ g+ _& D& S" G
- printf("Device %s write error.\n", E2PROM_DEVICE);
' b9 a6 Y, J5 f$ G v+ x; B: q - return -1;
- v" q; p) _5 Q - }
# V& O' b% @' F8 d4 C5 |1 W/ [ - ) N4 ~+ ?2 u1 `& b/ A0 z+ r- P' i8 t
- return 0;' X9 d8 Y1 C2 t* D2 ~4 x+ C$ A' g
- }, V! y: H# l% p+ |' P% @9 ?
0 V3 Q" k& C4 {! o& p; N9 |( N$ }- int main()" C% L* O. s7 n- E& l, S0 |
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- char c;
$ p% Y$ w$ Z0 Q n" F; C - int i, macs[6];. H( h4 Z; B" J, M5 K7 f3 M
- unsigned char mac[6];
# y1 v7 q2 J, F( E h7 g. A% O - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)& j6 { H4 m+ n" H& Y2 F/ i: ^5 h
- return 1;
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6 C) `9 v- L. y- printf("Current parameters: \n");9 S4 i* L, S& Y2 R+ v- D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( a, L' H0 O3 A8 ^6 l) X& Q& m S$ K
- printf(" STBID: %s\n", stbid);) n: T `# Z2 h. k `
- / ^2 g8 [8 X! p# r. J
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" I# S2 [! d. z. Y3 t: V
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 m3 S& B9 C8 v
- printf("Input MAC error\n");0 |- v% I# f3 r% p' O
- return 1;
0 ?6 M1 v a2 j - }
6 b5 W" @4 [0 i3 A3 c - for (i=0; i<6; i++)mac[i] = macs[i];4 v! H: ]8 N! _2 E
- printf("\nPlease input new STBID: ");
( u; O/ T# r2 v8 \ - scanf("%s", stbid);
3 I) r' b! n' e" Z3 a# m - if (strlen(stbid) != 18) {
1 w4 `! |& M$ t$ \1 e C" \; ~ ^/ X - printf("Invalid stbid\n");
1 Y! ~0 O- z% x% E' D- t0 b8 I - return 1;
6 Y. T7 Z$ r& l - }
3 r5 } x& D8 C: L - printf("\nNew parameters: \n");
. O/ ?5 ~) w' s9 j9 c i" W" ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
Y7 S* Z# y& m1 j8 j% B, z) k" C - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
0 U, k' C A6 t, d. Q0 C1 B$ R - for (;;) {
' q" m" t2 L# L& S1 ~; y - c = getchar();; m' @- P- G: F7 U
- if (c == 'y' || c == 'Y')) e ^8 E( D" w5 z# y0 ^) L2 G
- break;
+ X* o$ R& p! `0 d" K - if (c == 'n' || c == 'N') {
1 P, F' x2 v+ }% }, F+ r' A - printf("\nAborted.\n");* H4 v, c7 f8 j- `/ L# `
- return 1;4 X. b* a9 r+ A( g# j3 B( T7 q1 i* S
- }" M1 ~, A n9 z8 F
- }
- c) I8 V$ O+ f1 q - if (writeparam(mac, stbid) == 0)
$ |+ E: b- ~9 M' v: n - printf("Parameters changed.\n");
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6 p# Q0 b1 F# @- return 0;! |' k# @- H$ Q' S y6 T1 g7 a
- }
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