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。
1 s2 i( e' H0 ]2 y0 h需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- \6 N4 J" Q. t* c5 d: t& b
- #include <malloc.h>
) c9 d, z: p& {) m8 e! p. \ - #include <sys/types.h>8 Y" f5 A) p* N3 P
- #include <sys/stat.h>
7 d5 b! `" ^# y9 V - #include <sys/ioctl.h>
& _: X2 ^9 Z; f& I2 X - #include <stdio.h>
/ e/ Q9 v9 S5 R2 V9 C - #include <string.h>, ?$ T: Y3 Y k2 v6 _+ s
6 B# z- v; V, F# b- typedef struct {& [) ~$ a% r r- D5 a' p; Z
- unsigned int e2prom_cmd_sub_addr;
% p1 x) Q% I t4 ~7 X& N, L1 y - unsigned int sub_addr_count;
F- t& `; l* B, ]- @: s - unsigned char* e2prom_cmd_data;( x4 J6 a7 x N1 F% i
- unsigned int data_count;
) K0 ^; p1 i" I: L - } e2prom_s_cmd;
1 m4 w1 @" n9 { - " o0 X1 y, a2 {7 X0 [0 ^
- #define E2PROM_CMD_READ 11 k, c. K2 f8 ?+ f( e8 T$ H4 I
- #define E2PROM_CMD_WRITE 2
$ \, @/ I. r6 V, {" s2 z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") x/ N! q/ V4 v% A
- ( E' F$ N b' \
- static int readparam(unsigned char *mac, unsigned char *stbid)6 ?. [/ m, S8 }
- {' L ?1 u. p3 M/ ?' n$ ]
- int fd, ret;% R/ e* o9 d! d$ @- z+ R0 w! C9 B
- e2prom_s_cmd arg;
2 t# _. B' ^; A8 k4 i& K - unsigned char buf[0x18];2 f$ Q5 }. D, R$ T( ]( D, z- j
' E# x8 Q- {5 U& m. [: [- i, q- fd = open(E2PROM_DEVICE, O_RDWR);
# t* e5 M( _8 Q$ A - if (fd < 0) {; Q* a0 p+ c5 X, e- L+ p8 C, e
- printf("Device %s open error.\n", E2PROM_DEVICE);# d {. B/ K; D4 R( I
- return -1;
1 u2 ^5 y. A# |# B4 ]: j% \ - }
" X0 M- q& V6 |! U0 G# ^% ] ?% E - arg.sub_addr_count = 2;* l0 v3 o' I. z+ Q" L7 F
- arg.data_count = 0x18;
: |! i3 j5 ` } - arg.e2prom_cmd_sub_addr = 0x290;& S/ @+ {, y. E; ^- V
- arg.e2prom_cmd_data = buf;
5 F7 X1 `" j* T, p W. h - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* {4 ^* v5 h2 V1 A
- if (ret != 0) {9 Q" T: f* b, x9 A- Y& A$ q
- printf("Device %s read error.\n", E2PROM_DEVICE);
' R6 ~* J9 ]6 \8 a; t& I! V - return -1;
/ _2 f# z$ U3 y- C9 N# d - }
, |3 `; M7 i9 r - memcpy(mac, buf, 6);
X7 E3 ?4 q% d! ~- [* k - memcpy(stbid, &buf[6], 18);
1 ]* d: \9 Z& F4 V P1 i) Y1 t - stbid[18] = '\0';
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- return 0;2 ]& }7 \1 {- b1 S# E
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- 8 ], _# B; W7 i
- static int writeparam(unsigned char *mac, unsigned char *stbid)/ e2 V0 I! R' ^6 Q6 d5 @
- {4 V, F: m/ b$ b
- int fd, ret;& I* S @% X$ p' _
- e2prom_s_cmd arg;' r$ I* b b: ]. Z
- unsigned char buf[0x18];: s, |2 o. {. ?
- 5 k1 \8 t6 Z4 R1 r1 \
- memcpy(buf, mac, 6);
' q9 d \# Z/ ~5 W - memcpy(&buf[6], stbid, 18);/ H0 k! g% P3 @$ x
- fd = open(E2PROM_DEVICE, O_RDWR);0 O) b, _6 F# g
- if (fd < 0) {4 \0 o! r! [- X) N5 u+ o) ^
- printf("Device %s open error.\n", E2PROM_DEVICE);$ H! t' o6 [ O3 ?& h% J: v+ e& x
- return -1;
1 \' v& T& h4 M* p- F - }
$ F U: X4 t7 ?& v) m. g - arg.sub_addr_count = 2;
v/ o$ y2 Y) g" S8 u! Y0 M - arg.data_count = 0x18;) v0 P+ L2 X' ]4 N7 y( |
- arg.e2prom_cmd_sub_addr = 0x290; }: I( y6 S; U: y0 G; B
- arg.e2prom_cmd_data = buf;/ N! k3 h! W, N9 Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 @, u W" s' ^6 C' n
- if (ret != 0) {/ c1 U/ z: S/ Q; n* @! v/ A
- printf("Device %s write error.\n", E2PROM_DEVICE);+ H' O5 }# Z( F6 @ z8 }
- return -1;1 T0 B' U. n* J' J6 y8 x
- }9 _. {$ ~- }6 W9 @: R2 r
- + l/ X1 v% C$ x) ~5 u" S( \3 D
- return 0;
+ y! g) g7 X$ L4 r8 A9 Q7 h2 f( ?$ c - }
% q3 q {" @2 E; Z
2 I# {# @7 i& e- int main()
% |$ F* w' w7 r! Z$ C. V - {
5 U5 O4 W/ X, [8 W0 Z; f - char c;
9 s3 ?. `$ ~+ d' ^8 b8 ]5 g* U - int i, macs[6];
; w1 i, y1 ]* a5 U% m - unsigned char mac[6];+ L( @3 f6 p4 j
- unsigned char stbid[256];
# G A" E5 B0 J4 ^9 _" Y - N R3 h6 \) J2 _, S% x1 D- p- p
- if (readparam(mac, stbid) < 0)
: t) T" i$ i2 X$ ?2 g - return 1;0 i- Z) i% e5 U& c5 N8 ?
- 8 V0 U% a9 z$ V: O
- printf("Current parameters: \n");5 D* P' u e$ U! ?1 Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ O7 i4 ?! s0 D6 I
- printf(" STBID: %s\n", stbid);
& G1 q, C, d; E X' M# j% \* @ -
) ` f- T' V, b - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! R0 r3 ^# f5 N& S - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 D6 r5 N H1 I' H5 z! k# P# a - printf("Input MAC error\n");% X+ }8 k3 q0 I& C
- return 1;" ~$ C- r: |/ |3 F- T; D5 n- E
- }! h0 B Z& p" J! ~' x+ h
- for (i=0; i<6; i++)mac[i] = macs[i];
+ T- s) x' @/ { - printf("\nPlease input new STBID: ");
0 { J$ N; w% s2 j; |1 N6 p! | - scanf("%s", stbid);; \; w1 O t% j% d
- if (strlen(stbid) != 18) {
2 L, x, Y+ u7 y7 Z8 Z$ P - printf("Invalid stbid\n");: S0 o) T, |' L9 M/ {$ z$ @
- return 1;
: t. B$ x9 q+ _) ], T( D! A H: f( ^ - }
; Q! q; A: Z9 v0 K9 I1 r3 t- U5 i - printf("\nNew parameters: \n");
6 j" \' a4 u2 ]0 g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, h& s" N- A) j3 l! @ ~
- printf(" STBID: %s\n", stbid);* D& Y: ^2 S# ]& z7 p* x) ?
: s& D6 s* Y$ G% X9 E' Z- ~- printf("\nDo you want to change paramemters? (y/N) ");( o1 O+ }0 u0 y: A$ h# X0 {
- for (;;) {
1 L# C% I4 S% y- C7 u: I - c = getchar();& ?7 h9 ?3 g% o5 M4 ?7 u
- if (c == 'y' || c == 'Y')
+ I, Q! B2 k3 o5 ~+ h7 ? - break;% O7 R9 \& w! z" J
- if (c == 'n' || c == 'N') {
$ u6 r; r) Z. C4 m. c/ U+ ` - printf("\nAborted.\n");4 Z% O, A7 J& v. e1 Z# V
- return 1;7 m* C' c6 l# P8 @
- }5 C5 H: |! Y1 i; h5 {# T! k
- }
2 |8 s7 E0 V& k6 \0 q - if (writeparam(mac, stbid) == 0)
2 S" I3 Z4 c3 ?. O8 [" X5 x( X0 R - printf("Parameters changed.\n");
( N) A- t; L! z5 o! ~
5 e" y6 X. P; C& I- N- return 0;
: e3 u; p6 i) p4 a - }
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