本帖最后由 0522 于 2012-3-21 23:04 编辑 1 U) U/ X( ]' ]) W8 E; a
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修改的代码早有了。到今天不会编译。2 b( b d& V0 ^ W4 k% |' y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! J$ v- O2 G5 P* s# f) d& @ - #include <malloc.h>: M8 @/ i: l7 P% V
- #include <sys/types.h>3 G2 X+ W/ U/ D) F {
- #include <sys/stat.h>0 C) ]9 o2 X5 ^" w
- #include <sys/ioctl.h>
: X2 E x7 U" Q$ W: u& L( a+ R' G - #include <stdio.h>
* o5 i) H, K( M. s4 |0 b - #include <string.h>
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- typedef struct {4 ^4 ^# n2 V, ~9 v- |# n
- unsigned int e2prom_cmd_sub_addr;8 a. c& W% R [: [& j
- unsigned int sub_addr_count;
5 G4 M6 q8 }# g7 x, U0 m - unsigned char* e2prom_cmd_data;+ Z8 Q( ]( Z3 j. f1 l
- unsigned int data_count;
) S% G& R5 n$ x# j, I' q - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1% M3 b/ F3 x" s+ m0 g( `9 }
- #define E2PROM_CMD_WRITE 2
4 e1 u! }' a% N- a# i% _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# a4 q& Q" N$ j: K3 w* b- s6 [
; g! o8 m- X5 C, E- static int readparam(unsigned char *mac, unsigned char *stbid)1 Q- C% [) C0 `
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- int fd, ret;& H* y- ~" I$ p
- e2prom_s_cmd arg;
- A. @# p' V, p; h& x) P6 t - unsigned char buf[0x18];
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7 X0 Y5 U/ G2 g- fd = open(E2PROM_DEVICE, O_RDWR);3 i! E9 Z8 T( Y' E+ O! f/ o
- if (fd < 0) {
% J% N2 i/ ~; t6 c/ B% ^ - printf("Device %s open error.\n", E2PROM_DEVICE);& |3 A1 e( M8 U' R. v1 q
- return -1;
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- arg.sub_addr_count = 2;9 [ k3 k1 f- C4 G$ z
- arg.data_count = 0x18;
! ^7 M* z9 S, {! t - arg.e2prom_cmd_sub_addr = 0x290;
+ |* c$ K$ {& M. ~6 V5 x - arg.e2prom_cmd_data = buf;5 r9 A/ w. ^. k3 P- H7 N2 u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ C9 v ]- C+ c- G# f* q) ?' S - if (ret != 0) {$ Y6 L0 j0 c4 R7 f
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 p8 O; R; q+ q. E3 R - return -1; _& ?4 _8 D( p9 k
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- memcpy(mac, buf, 6);/ L1 h$ T7 {( t. i+ J. M
- memcpy(stbid, &buf[6], 18);0 [0 S0 ^$ `4 b
- stbid[18] = '\0';
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" y# W3 q% B3 H# x- return 0;5 F! }" e* `+ C! E3 H1 Z6 ^6 T
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)( k% N: T/ {3 L: ^! W* ^0 G# v
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- int fd, ret;8 K6 {2 t$ d# c Q/ f* q" f
- e2prom_s_cmd arg;: j1 q: b- \3 O- _; v
- unsigned char buf[0x18];+ Q4 ~: m0 R# `! Z/ P
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- memcpy(buf, mac, 6);
+ B9 X1 l8 ~! q- b4 D# E - memcpy(&buf[6], stbid, 18);% m* B5 b# ? N/ J% S Z" H
- fd = open(E2PROM_DEVICE, O_RDWR);
# O; B. X7 y% \+ m& M1 G: F' h0 _ - if (fd < 0) {5 m! w \: Q5 V8 L; h- F3 d
- printf("Device %s open error.\n", E2PROM_DEVICE);2 Q& s* X# z; |) Y4 {& J3 o) I
- return -1;
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n4 s- l9 }! |, n+ G - arg.sub_addr_count = 2;" R k3 g7 Q7 ?
- arg.data_count = 0x18;
/ G9 `9 g* R/ k+ n5 a. I& ~# `) ] - arg.e2prom_cmd_sub_addr = 0x290;
' d' o" S& Z+ Z0 U. }* }3 ` - arg.e2prom_cmd_data = buf;2 o2 B, b, ~; B
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- X: n% x) `; a9 Y' P0 P
- if (ret != 0) {
7 ], J; } n% e$ S5 y- s - printf("Device %s write error.\n", E2PROM_DEVICE);6 v7 E- f$ d# s, }4 S+ M) Q
- return -1;& c/ P2 [9 A6 ~8 z* c& B
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& \1 g0 G9 @1 D3 M1 c. O- return 0;
! E' R1 _* s3 K W - }
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- int main()
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- char c;6 s) ]0 p: y( R! A0 I! x/ i4 F& @
- int i, macs[6];9 @* P$ R4 y g1 Z
- unsigned char mac[6];
% H) O; T2 ?0 ?1 F" ] q: E - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)8 T. s# o5 W. c6 Q9 X% u2 P5 s
- return 1;2 e" Z0 N& f, Y
- 2 R: p: r* {2 W; l7 n
- printf("Current parameters: \n");
7 L8 ?$ ~9 T8 q$ z0 m/ ~) w, o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 w6 i9 T9 h0 t1 ]: F' F - printf(" STBID: %s\n", stbid);6 t7 y, D# U. S/ E8 b% v1 B
-
: I X) w0 _0 p( U4 @1 D& o5 p - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ g1 Y. {5 Y+ t6 H4 g- b
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, @: n5 b2 t$ s5 C0 `
- printf("Input MAC error\n");
6 O6 ?; ~, K1 ?5 d( ]0 K0 W - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];7 o4 X) ~" J' k; }. P6 \
- printf("\nPlease input new STBID: ");
5 C- Q' O1 V" {) t1 q - scanf("%s", stbid);
: r1 M- i c- |0 R5 F. I - if (strlen(stbid) != 18) {
5 }# V2 Z4 q' o; H% O - printf("Invalid stbid\n");$ U9 X. G5 c& O) ~, f
- return 1;' |7 h0 e2 E1 }/ `0 N4 R
- } ]8 g' Q7 e3 J3 ?8 ~
- printf("\nNew parameters: \n");
( P$ W4 W: S/ f( ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 y4 {! v, n/ ^, Q - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");6 t4 Q7 ~! o# q
- for (;;) {
( i. Z. H* ?$ s6 P/ M8 O - c = getchar();0 j/ Q4 j* E, \( B$ |/ Z
- if (c == 'y' || c == 'Y')
6 p1 |. h; Y* }/ x1 c - break;
) n) t9 S7 K8 u; a! V$ ^* C - if (c == 'n' || c == 'N') {
9 p3 I. b& P) j4 u& D) n" Q v - printf("\nAborted.\n");
; C. q9 q$ ^4 L& R9 m - return 1;
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- }
9 n1 y( C$ |; L& B9 m( | - if (writeparam(mac, stbid) == 0)
, D8 b6 o: R g' ^$ g4 I - printf("Parameters changed.\n");
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]5 {1 U( c1 D; x- return 0;5 p- J# x$ {2 ~0 v+ o
- }
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