本帖最后由 0522 于 2012-3-21 23:04 编辑 1 E7 |; v- ~( s4 s$ c$ Q
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修改的代码早有了。到今天不会编译。5 ~% G0 b; M& L! J
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 t9 e4 H! k/ x7 Z - #include <malloc.h>2 T0 n% J# C) b. I5 |
- #include <sys/types.h>: d* P' R7 O3 h# j( s2 U$ _4 j
- #include <sys/stat.h>
, H7 o3 O" o' T0 s+ u: ? - #include <sys/ioctl.h>1 i( b: \ q3 m
- #include <stdio.h>
2 l! g# N N* l% ] - #include <string.h>
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- typedef struct {
# c' \$ O0 z$ O. D9 d5 ]7 r4 @ - unsigned int e2prom_cmd_sub_addr;5 F% ]2 {- `- M9 O2 h6 z' R
- unsigned int sub_addr_count;
; I6 E3 E5 h$ S8 y+ p1 s( e4 e. p - unsigned char* e2prom_cmd_data; w3 n$ `" o, }5 y& s
- unsigned int data_count;
; a0 e8 U n( j" m' B' P1 j" o - } e2prom_s_cmd;) s2 Q/ Z4 C5 A+ J. B9 s- Z
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- #define E2PROM_CMD_READ 1
# k% J/ J) b" h. g - #define E2PROM_CMD_WRITE 2
! ?' q( Y" C1 C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") u# M: L7 y3 X8 S
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- static int readparam(unsigned char *mac, unsigned char *stbid)5 G* y' Y, O& {7 q; a" g2 |
- {( g$ `5 s- d% }; X
- int fd, ret;
4 F0 [& }% ]- X9 y - e2prom_s_cmd arg;
& E% }$ p2 Y3 s$ c - unsigned char buf[0x18];+ l- H6 ~; u% u9 P. Z
! k" l/ ~$ h% v: Y9 S& g5 T( j- fd = open(E2PROM_DEVICE, O_RDWR);% u. D5 Z$ T2 _4 X6 Z0 x; e
- if (fd < 0) {/ F/ [1 u; d7 g3 s, Q
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 R' ]$ x" h. n% a# q) B - return -1;# o+ [' q/ c- @$ N, {; f3 z( S
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- arg.sub_addr_count = 2;
4 E& {& ^9 j6 V# x4 p4 F - arg.data_count = 0x18;' ?( s( Y7 Y2 T2 x/ h
- arg.e2prom_cmd_sub_addr = 0x290;# f( Y" ?% g( B! l9 l9 k
- arg.e2prom_cmd_data = buf;! k+ p8 j9 j% s1 ^+ v( V$ Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 D0 m. z# V8 \+ z! z
- if (ret != 0) {1 g0 Z( }% z r/ V: ~# @0 z$ w
- printf("Device %s read error.\n", E2PROM_DEVICE);
? h: D7 @& R- o. |- o - return -1;
4 c, o( }& b+ @ - }
7 A' e, U0 J1 Y/ x: `5 B - memcpy(mac, buf, 6);
8 g. J% \! r' J: ?. T - memcpy(stbid, &buf[6], 18);
! t6 _8 u: m2 [! n; _ - stbid[18] = '\0';
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5 w( [; y( R* B# r; _1 A N- return 0;
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- " P: {7 p4 i/ n# L6 B$ X
- static int writeparam(unsigned char *mac, unsigned char *stbid)% A" B3 I5 J2 B' l( x
- {
) H4 c2 g5 I1 j/ ]" S( a - int fd, ret;5 T- y7 I, a/ J' j: ?# T
- e2prom_s_cmd arg;4 F; D# g0 Z3 S. A5 N$ T; _
- unsigned char buf[0x18];8 e% t7 S, e6 B6 I9 ?0 F1 d# a
, p8 u7 h8 R1 ]9 t3 d- memcpy(buf, mac, 6);! g" L( |* w5 l2 C+ S+ H
- memcpy(&buf[6], stbid, 18);
$ D) r5 M1 D6 Y3 \. l0 k - fd = open(E2PROM_DEVICE, O_RDWR);, I' |* ~7 `, M+ P9 |
- if (fd < 0) {
' E; ]0 X- s" W - printf("Device %s open error.\n", E2PROM_DEVICE);
- ^! c# U( @8 `- t - return -1;
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- arg.sub_addr_count = 2;' {8 N; a q$ y- } B' h# f' i) M
- arg.data_count = 0x18;
/ G7 @% U. f6 E, k; o* O, d - arg.e2prom_cmd_sub_addr = 0x290;8 T% r( H8 m2 x; s5 j
- arg.e2prom_cmd_data = buf;
. T3 C! B4 i8 l3 k \* X' C, I - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 \* r2 e) R: i1 p - if (ret != 0) {7 W; d- i5 v5 u: g7 D" E
- printf("Device %s write error.\n", E2PROM_DEVICE);
7 y4 y/ F, p5 t0 `1 M: @( ?8 P$ ? - return -1;0 U' B! b. x7 p& T- y6 |# Y
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3 e0 _% ?8 S' r- w; U- return 0;
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- int main()3 j) K5 K7 A5 U' g! I, K% F
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- char c;% a3 V% y% n& l% c3 h. \+ ]
- int i, macs[6];
- w$ M5 Q6 ^" a( b6 I0 {9 o* U - unsigned char mac[6]; u2 J5 Y. `9 k5 s \2 `
- unsigned char stbid[256];
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$ b) M* F# c& |$ S& o4 X' m- if (readparam(mac, stbid) < 0)( t, \1 c5 h5 @0 A* S! J
- return 1;
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" g0 j9 F, q/ S* y R. r, G) e- printf("Current parameters: \n");
5 p& X N R! V# v& N9 L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; R+ g' d' h& l0 p! d5 B - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 { s3 v; j# [9 `3 t - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { U) M2 G, H* ^! w
- printf("Input MAC error\n");
5 G5 G/ A6 O7 x$ F - return 1;/ t: V. o& f# c7 P7 F. H# T o# ]
- }
) R8 b3 Q. t- d' e' L0 t, e% w - for (i=0; i<6; i++)mac[i] = macs[i];' m9 D. f( ]- v! o$ ]! m! Z
- printf("\nPlease input new STBID: ");5 F' b$ F3 _- R+ w4 a! R, y
- scanf("%s", stbid);
0 B, r O7 M2 u0 M - if (strlen(stbid) != 18) {, x6 f6 B/ p1 g
- printf("Invalid stbid\n");
4 A2 f- B5 g1 L/ x - return 1;+ M- W3 P/ I. h- u# E
- }- |# H6 h. V5 N1 O8 L! T
- printf("\nNew parameters: \n");
* ]1 h0 e1 m: d* u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ N2 C; m; m3 ^: t6 y; O
- printf(" STBID: %s\n", stbid);! U. k2 u, I, M+ n
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- printf("\nDo you want to change paramemters? (y/N) ");
, u9 J! Y& [( ] - for (;;) {. y; q& S6 `% Z5 m4 C. ^4 @
- c = getchar();: S; e3 H$ n- ~ ~; j- B
- if (c == 'y' || c == 'Y')
. ~: U; f" w. l; W- T& }9 B - break;. K$ B; Y! V- }. s- }
- if (c == 'n' || c == 'N') {: I+ k: ?, @* i+ J
- printf("\nAborted.\n");
$ |2 F$ H, G& |* E# S: E; p - return 1;2 `$ c) P: V. ?& k3 J3 w I& R
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- }
0 l. `( l2 f# l" s2 K6 ^ - if (writeparam(mac, stbid) == 0) 6 S Z5 b9 c0 @/ Y5 q; R
- printf("Parameters changed.\n");; L$ N' [4 P+ q. l
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- return 0;4 A# r4 e- c% D# l
- }
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