本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
& ?$ R h* {6 @7 k+ c需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" G: s! f0 y- R. ~1 v! G W, v3 O; K, V
- #include <malloc.h>
1 J0 B7 u0 G3 D/ C - #include <sys/types.h>
0 }( j g/ K8 U {+ i - #include <sys/stat.h>
* @7 |$ \4 b: V - #include <sys/ioctl.h>' N+ C: g- [* C# _2 A9 X# t; m
- #include <stdio.h>
5 }$ \. t; L y - #include <string.h>' T: D; j Z& M) f# f9 S
3 }& [+ n' z: H& a9 E/ Y6 D- typedef struct {
: v& Q- I4 P9 V. ?; ?/ p - unsigned int e2prom_cmd_sub_addr;
& m- z; ~1 T/ E5 \: e8 x+ \ - unsigned int sub_addr_count;
) L* R; b" `4 {, u- \9 }# O - unsigned char* e2prom_cmd_data;$ | H: C0 H( J/ b; Y6 E9 X7 ]
- unsigned int data_count;' _8 G5 Y9 ]2 W. u
- } e2prom_s_cmd;) H+ i* u) T) V8 r* p" C: \- C
- & |, }0 l( Q% u! g( r* k6 |! S
- #define E2PROM_CMD_READ 13 R- v0 P$ W! k3 z5 Y# K
- #define E2PROM_CMD_WRITE 26 s) e Q7 h* p8 J7 i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* J2 A6 i& s+ A$ u3 P( C
- $ b) f- u- ~ }
- static int readparam(unsigned char *mac, unsigned char *stbid)7 F6 L4 f. E8 e* p
- {$ W) j5 l7 E9 Q3 Q
- int fd, ret;( t1 I( d3 x- |4 L" q& U
- e2prom_s_cmd arg;
- }. `3 D' Z' }$ @; { v s - unsigned char buf[0x18];7 f7 m) i9 `5 n5 r2 f5 w
- / W' \8 i8 }4 J- R H
- fd = open(E2PROM_DEVICE, O_RDWR);$ J: ?% `4 M2 X0 Q, V* }, P
- if (fd < 0) {
( ]8 S8 h0 e; ^0 ~2 T& T - printf("Device %s open error.\n", E2PROM_DEVICE);
. P1 L: @: o; P$ L+ S - return -1;
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- arg.sub_addr_count = 2;, \/ i5 I2 k( n+ C2 h
- arg.data_count = 0x18;
4 l% G4 u2 m# z* o - arg.e2prom_cmd_sub_addr = 0x290;$ j% Q1 L8 X" ]* E
- arg.e2prom_cmd_data = buf;
! b7 s6 ^5 q; o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 i( R p8 R; F1 l% t - if (ret != 0) {
- N) \" Z6 \6 B h: U& N - printf("Device %s read error.\n", E2PROM_DEVICE);" p x7 z: {$ W, E0 A3 t
- return -1;
$ {7 p7 f% d7 C1 Y+ n' V! k* L - }
J* w0 W# ?* p# v- ~- Y - memcpy(mac, buf, 6);& f9 C% M7 F6 c, K. Y
- memcpy(stbid, &buf[6], 18);8 g. |. f' U( g6 s
- stbid[18] = '\0';/ H, b6 M* K4 A# x, ^% _7 z/ E$ [9 @8 B
- 3 [! G4 M1 F/ d/ K
- return 0;3 r( M- O2 Y$ u' l- n3 l$ R& X
- }; H: |) j) R/ A5 d, r8 `
- ) P' ^/ b- f* p! m+ j
- static int writeparam(unsigned char *mac, unsigned char *stbid)2 Q8 e% z6 N3 X" C8 J$ n! a
- {
" K! i: l, j$ U - int fd, ret;
7 B. L9 ^( `: Y+ S& s \( P3 U - e2prom_s_cmd arg;
4 i2 ^1 r f w1 j( B) n# Z3 C4 _ - unsigned char buf[0x18];& t' I, @2 N8 E6 W1 `7 E
4 K0 [( W, m( i4 d# x: c- G- memcpy(buf, mac, 6);
: { {/ @$ C1 c, s4 p - memcpy(&buf[6], stbid, 18);
6 r& x3 {# ^+ w8 \* z1 ]3 M) i. l - fd = open(E2PROM_DEVICE, O_RDWR);; }$ D2 u$ o+ P: v
- if (fd < 0) {
4 }3 X# D& `8 J - printf("Device %s open error.\n", E2PROM_DEVICE);
: j3 [8 E' W5 y9 L - return -1;
* ?: P* o7 O/ M* J" K; F. p; |- J - }
5 d4 ^6 Z6 s, \7 T; W. C - arg.sub_addr_count = 2;
" V9 t$ t, N% k1 r1 G - arg.data_count = 0x18;0 e: y& f8 X5 Q+ t
- arg.e2prom_cmd_sub_addr = 0x290;% B9 E7 v7 r! ~* n# m% ^
- arg.e2prom_cmd_data = buf;
7 `/ l; U9 T- } I& Y6 m2 { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 l1 r5 G( |+ b p8 q7 T( `: [* _ - if (ret != 0) { U. f; {( O, b/ z7 q' _. X
- printf("Device %s write error.\n", E2PROM_DEVICE);
A( k, o* X) n p- {, H - return -1;! g4 v$ T1 m* e# G
- }" s; s- i& e7 w: z. e2 j7 X _" i$ G i
- 4 j" W7 W, P/ x" [2 ~6 r
- return 0;) s x ?6 R5 h' c& e( y! T
- }. z! J( l/ d% `2 K- ?
4 X4 B9 w" j$ V3 j- int main()$ s, Z, I. k: g( x( y
- {
1 Z- b# d# E1 |, U - char c;
) u" P1 C* q& J# r - int i, macs[6];) n/ k$ y2 ^0 E/ R4 U
- unsigned char mac[6];
, B0 n5 d m5 c* k+ h# s7 e9 K - unsigned char stbid[256];- Q! e# [4 k& |, m3 L0 S1 n0 p1 e. O
9 H; _2 Z6 H! _+ e- `- if (readparam(mac, stbid) < 0). U% u9 K& P, Y3 c6 H; A
- return 1;
: u1 \" R! c# v3 H6 z% J9 V
- w, L0 q8 i, u- A) c) s* z" q- printf("Current parameters: \n");
9 t" j6 K& ?; b" g; Y0 ~+ w) o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, H$ @! p9 A8 u. r& D6 h2 P% K# i
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% z m' L& z% J! [7 ^! P9 Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { [2 C( c4 l9 Y# W( ~* T: H
- printf("Input MAC error\n");/ h% Q) L3 r. i+ n
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
. e8 n! r+ l3 \. M3 l' W - printf("\nPlease input new STBID: ");' r( ~# i9 c H
- scanf("%s", stbid);. k6 H& p1 R& w4 q6 i
- if (strlen(stbid) != 18) {* v( d0 ]+ W. ~8 N4 q; h
- printf("Invalid stbid\n");
( C, D3 [: H' S; u2 k) R - return 1;
5 m5 h& H) F' u1 I% [$ j - }
; ^, \8 x- y0 ^$ p: L! c - printf("\nNew parameters: \n");
' ]* U* I# i( c; D: |; I9 { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. U" x9 }3 K2 A9 f+ I1 w# i - printf(" STBID: %s\n", stbid);7 i# b: z4 Z* q4 Y
5 j! n4 M1 J" P- printf("\nDo you want to change paramemters? (y/N) ");/ Q/ X6 B" H! F8 _+ m9 z5 W! }+ E
- for (;;) {
& `- J6 q1 {6 W; R2 x - c = getchar();
& s& O: q" b+ ?% }, l - if (c == 'y' || c == 'Y')
. Y5 g( W% L8 r - break;7 g/ x/ B: t, D; l: X
- if (c == 'n' || c == 'N') {
/ t/ i: T) p6 z/ r: U0 q - printf("\nAborted.\n");
/ f! y; c' E, c5 W, L3 N - return 1;3 I. K, X$ w: X! ? |+ \ P0 T* u
- }
# v+ ], T$ }1 a( U! ?7 `7 ?& `, V* m - }0 r* S+ Y! M& a
- if (writeparam(mac, stbid) == 0) 9 R( n5 T3 b! S2 [: l' U9 ?6 n5 y
- printf("Parameters changed.\n");0 R4 i* z3 w6 U1 ~6 v
3 {1 N( r; B; O) @$ T- return 0;
7 O7 ^7 P* @1 ] v9 W5 c - }
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