本帖最后由 0522 于 2012-3-21 23:04 编辑
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- {" G# m3 ?6 a) f ^8 A修改的代码早有了。到今天不会编译。) e( R6 `. n/ I, ]5 V
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
R- _% e& b7 K: d/ `) H - #include <malloc.h>
! e2 ?9 y. N$ C - #include <sys/types.h>
' d: {/ @ L( E) z5 _. p: R6 M, Z - #include <sys/stat.h>
# i- c5 K- M: Y- b5 a - #include <sys/ioctl.h>% ~2 J; r$ J7 ~! V. k2 k$ _
- #include <stdio.h>
& a. a' Q y2 S' D# m - #include <string.h>) D3 w1 G/ T) e6 ?9 a7 J5 \
* l9 {) [; T$ w8 \, l! p- typedef struct {5 B; @/ Z$ ?! t8 U u3 p* g$ y! Q
- unsigned int e2prom_cmd_sub_addr;; R& W' ~+ P% p1 N
- unsigned int sub_addr_count;' v& X v' H$ Y+ C4 ~
- unsigned char* e2prom_cmd_data;
' }. ^$ l) O R0 L1 G - unsigned int data_count;& g# B' }4 Y) M" @0 q7 [% V/ } a/ Z8 R
- } e2prom_s_cmd;
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* r7 S$ T6 {! h! p1 Y# d- #define E2PROM_CMD_READ 1
2 \2 \8 v: f5 X3 k8 c. v5 G - #define E2PROM_CMD_WRITE 2; D, ~8 A. a- _# P" G5 j6 }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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$ u. ~7 s& b. S( q" ]- static int readparam(unsigned char *mac, unsigned char *stbid)0 R( ?: @0 O* ]$ r7 N5 Q$ \! f3 a
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- int fd, ret;+ h( E" w( o+ t) _$ A8 i& ]" m
- e2prom_s_cmd arg;
& b: v3 F1 W: N7 Q3 E6 U - unsigned char buf[0x18];
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' D0 Q& q$ B, n/ K' p- fd = open(E2PROM_DEVICE, O_RDWR);( h# F: b0 M4 r$ d, d
- if (fd < 0) {
* I7 B7 G2 ~5 u3 L - printf("Device %s open error.\n", E2PROM_DEVICE);: m. D0 w8 e8 M# V% |( r! q" R
- return -1;, y1 E- v+ D. A! _" F$ v( o
- }
$ B$ Y1 z% D9 c& r9 ?- X; J9 w - arg.sub_addr_count = 2;& V; o9 N- @- \1 S, p/ S; f
- arg.data_count = 0x18;6 e2 ?4 F0 d3 K+ A
- arg.e2prom_cmd_sub_addr = 0x290;
2 z) b& S' z: x3 X" ~/ s1 z: \: ~ - arg.e2prom_cmd_data = buf;
4 P5 B* i4 l0 {7 Q2 k9 C" B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 z: z ?$ \$ @5 S1 p4 D1 m
- if (ret != 0) {
0 I* l) _" l- z$ q/ N) s - printf("Device %s read error.\n", E2PROM_DEVICE);: e( t+ h, A. I5 {0 A1 D
- return -1;
* f8 u6 } Y" T+ G: x& D, N. D5 [7 O; N - }
+ m9 J. w1 }- s6 `, f - memcpy(mac, buf, 6);
* `+ E/ V. P# n) K6 J; d - memcpy(stbid, &buf[6], 18);1 [ v8 c! Q% ]8 X+ F+ t8 J- Z9 c
- stbid[18] = '\0';
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/ P3 r$ c$ v3 H. ?4 T' F, T" Y0 ]- return 0;- i w- C& G r/ u
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M9 C' C2 \/ |& J& c0 P' M- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; G- l5 r4 b/ {8 a
- e2prom_s_cmd arg;
6 c: b, g% s) V) H1 M - unsigned char buf[0x18];
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: p h" @% Q$ k- memcpy(buf, mac, 6);* f2 o6 E' ]( Q! d& q# K- {' s
- memcpy(&buf[6], stbid, 18);+ f8 E! A' q) f% D
- fd = open(E2PROM_DEVICE, O_RDWR);6 M; Y! u- ^" d( q ^0 o
- if (fd < 0) {8 u" v7 h+ @1 {* P
- printf("Device %s open error.\n", E2PROM_DEVICE);8 G9 z% c- U. ?% o$ b
- return -1; ?. l* z- r+ u; n- U
- }0 T8 W5 b/ Z0 Y+ t# R
- arg.sub_addr_count = 2;
, g2 \% Q2 z. l D/ l. O% d! V - arg.data_count = 0x18;
+ h$ a& E! m. s- }/ v+ a - arg.e2prom_cmd_sub_addr = 0x290;
( |8 U& C/ y( y7 E9 o- y K0 A - arg.e2prom_cmd_data = buf;+ d9 r9 _/ o$ d$ r- q# N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: w8 x7 H" @; H' t. O2 m) O5 ~ - if (ret != 0) {% }# C- v% H- U$ a* m/ p5 X) `! b
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 n' @. e: m# B - return -1;
3 ?" m2 o, M+ g - }
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4 s6 a0 b4 b9 r7 A: I) D( n- return 0;1 E! U7 Q) K2 f- m) A
- }
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- int main()
2 ~) v. K/ Z' [: n% Z - {
( N/ Y3 x) {1 p4 W8 Z0 B$ i# w& v - char c;
- Q$ s) o5 x; A: q7 @. r - int i, macs[6];4 |. l2 |/ p4 {2 n# D
- unsigned char mac[6];
8 {9 i$ G+ h% K5 W3 N4 \ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
+ l. Y! ^7 W, e6 V - return 1;# I, C2 w$ y4 ]( ]0 ^' K% i5 x1 i+ m
* d# J. a( h. y# |2 R0 O5 F- printf("Current parameters: \n");( f1 m$ S* P! z& C; N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 M' G3 z) H: w9 `( k! K
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 p% G' r" I, C$ g& [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# D# @! ]* i% y8 z
- printf("Input MAC error\n");
7 `. w& ?% |6 J3 I) z- ]$ g - return 1;, E% a& o: N/ p) O F3 R. q' H) q
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- for (i=0; i<6; i++)mac[i] = macs[i];
4 Z1 p% n9 q$ e: a) [# x - printf("\nPlease input new STBID: ");1 w0 o/ K4 ~) D- I* J- `& W
- scanf("%s", stbid);$ T% m0 b7 o/ j
- if (strlen(stbid) != 18) {
1 i7 |6 w% h% a6 h: R - printf("Invalid stbid\n");
) F4 o( N5 E; H8 I' {$ O - return 1;+ e9 @7 }! ~1 m+ |' c9 e
- }
$ [9 q. T. j+ }' m* [# D7 x - printf("\nNew parameters: \n");/ U _. z- }/ o/ i1 k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ y0 Q6 A- d( y - printf(" STBID: %s\n", stbid);- J) Z1 t/ t0 n/ }5 f1 H: C* l* b& k
- 3 @% m( m+ F. b9 {* {1 U
- printf("\nDo you want to change paramemters? (y/N) ");
- P3 q# U- h% g& U% k+ F - for (;;) {# d) C5 h5 w9 e% ^
- c = getchar();
% f/ G9 [9 q; C) s. h, E - if (c == 'y' || c == 'Y')3 c8 j2 |1 U( j4 \: `' w
- break;* ] B' s# J% A; j
- if (c == 'n' || c == 'N') {
/ e9 o) q: Q; H3 a. e - printf("\nAborted.\n");. k U: k9 L \ A# K
- return 1;
% s5 _; x3 c) l5 b% R. s) @( y- a - }
6 T/ H2 L5 ^' _ - }
9 a5 L% f% E- B: b8 u - if (writeparam(mac, stbid) == 0)
( B" z6 W9 r0 J6 z- w% W7 x. G - printf("Parameters changed.\n");6 w, R' A) {* D9 S1 G4 L7 {$ d
1 i5 f* l* O" H# k( k" a- return 0; i& I$ g" s+ w Z% H' u% L
- }
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