本帖最后由 0522 于 2012-3-21 23:04 编辑 ; G) f/ u( {9 F# z
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修改的代码早有了。到今天不会编译。
1 I" e& x4 Q5 M0 ^需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) U* D1 T! Y0 `6 J! L7 E2 n
- #include <malloc.h>1 s) G7 a" u' }3 m
- #include <sys/types.h>
; y( q/ J# U) e: L8 p - #include <sys/stat.h>
' z4 ^9 }8 P3 Z. M7 e2 S - #include <sys/ioctl.h>
! N$ x) C( ?8 p+ ^/ U7 A3 E - #include <stdio.h>
k! Y/ C9 Q4 Q% } - #include <string.h>
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- typedef struct {. [" u+ D5 y/ A% ?& i
- unsigned int e2prom_cmd_sub_addr;3 W2 ]. \+ ?$ K. |$ @: G/ T/ D" p
- unsigned int sub_addr_count;* b, f. x3 M1 C( f: }7 b
- unsigned char* e2prom_cmd_data;# ^. M$ S$ j# m' o. a( F
- unsigned int data_count;
6 F( p4 \+ l5 e. x - } e2prom_s_cmd;
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! _4 w0 r, U B+ ]2 o% Q1 q) M- #define E2PROM_CMD_READ 1 S: i" r: m' B9 m0 k, d1 t, h- U
- #define E2PROM_CMD_WRITE 2
8 k3 H% J; G' E. P0 [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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4 o# w5 l& G& K5 a u/ @- static int readparam(unsigned char *mac, unsigned char *stbid)9 c5 g6 Q' j) T7 n& E9 }: k
- {
. p7 ^ k0 B/ U4 P( J/ G: E - int fd, ret;/ ?/ ~" c+ p3 D6 Q
- e2prom_s_cmd arg;+ p. ]) @1 E2 A' ^3 U6 n7 M4 S( A" z! M
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
. W# Q! o; Q' T: w: J - if (fd < 0) {
3 a9 B$ Z- T3 ]8 ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
" x3 ~+ }( M, h. O - return -1;. f% \' \- X) @( I0 P2 R; J" E
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- arg.sub_addr_count = 2;) Y; ~- Z3 R; x. ~# ] r7 c/ T5 t/ q
- arg.data_count = 0x18;
0 K Y! F* u; \) e! g- D# f# y2 X - arg.e2prom_cmd_sub_addr = 0x290;
. a7 L. b2 Y/ _. W - arg.e2prom_cmd_data = buf;
1 X: x" g9 ]; x# o+ E7 g( [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ K0 a2 j7 B2 X% `+ ]+ I
- if (ret != 0) {+ ^& X" v# y$ R
- printf("Device %s read error.\n", E2PROM_DEVICE);
& A5 H/ d% R2 P& d. E5 Q - return -1;
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- memcpy(mac, buf, 6);
1 x4 |; V" U6 P- C* T - memcpy(stbid, &buf[6], 18);" V; g+ @8 H# H
- stbid[18] = '\0';4 @0 F/ d( v8 r/ I$ D
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- return 0;
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+ t) ]. J- |+ D- static int writeparam(unsigned char *mac, unsigned char *stbid)/ V% g/ X8 a6 o ^9 a# K
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- int fd, ret;$ Y' n/ l" n& q1 R$ A0 w, C3 i" K, B
- e2prom_s_cmd arg;
. z" }$ W$ E N+ K. {+ G - unsigned char buf[0x18];
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+ n1 q' K) G9 W6 o( Y( K- memcpy(buf, mac, 6);
, {1 h; {. `$ a5 g - memcpy(&buf[6], stbid, 18);
! m+ p w0 q. V - fd = open(E2PROM_DEVICE, O_RDWR);
' g1 h8 i* Y1 a - if (fd < 0) { ~% R, U }# H6 E
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 |; Z9 ^. r5 k - return -1;
1 s; W4 y3 o* q' ~. i - }
: N+ m7 ]8 T4 ?7 K0 ` - arg.sub_addr_count = 2;) d4 ~7 j/ S4 b! d% d
- arg.data_count = 0x18;
- H2 ^/ S' d3 b ~3 z - arg.e2prom_cmd_sub_addr = 0x290;
( |2 n8 K- E$ O$ U- F! | - arg.e2prom_cmd_data = buf;) x Y- s+ M6 n$ U+ Y% F9 t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 k4 X9 y- `" Q/ y% u. b1 P6 r - if (ret != 0) {
0 }( R/ H+ Q( W9 R - printf("Device %s write error.\n", E2PROM_DEVICE);
5 Y6 }" B* f5 _: s - return -1;. Y. A/ q0 q4 G# _4 x* s, w; J! A
- }
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9 Q# U# Y7 K5 Q- f- return 0;
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" `2 K: D: ~; s+ Q2 ?5 k- int main()( ]* q: ]1 j# S/ k' J) d5 C& @; _( H2 x9 h
- {
' s# Y5 p2 d- p8 b$ @ t - char c;
2 r8 f) `! h. E - int i, macs[6];
7 o0 w/ q6 i& y - unsigned char mac[6];
# r/ J* l& d. t6 I, p% T - unsigned char stbid[256];; `& i- E E1 A+ F5 |/ l: H' Z: J' ^
9 Y& p- r; }7 m4 u- if (readparam(mac, stbid) < 0)
) g( T# X# h/ q. f+ c1 _4 n+ U - return 1;, b; e* Y' G0 D* M/ ]% h6 q f; j
8 _7 V, ^9 G$ ^4 d( {6 o- printf("Current parameters: \n");/ v l2 N) ^9 X9 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 ?/ h6 s \ y
- printf(" STBID: %s\n", stbid);
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0 e6 v2 f2 u- i5 X, f E' F' o$ R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 | i6 K, l) a0 V
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 h& [; m: t" k$ x; T0 L, n1 x
- printf("Input MAC error\n");
1 Z3 j" h- R! X0 ` } - return 1;
( |% [7 T0 q. P# h - }
' W, S- I# t; _( G7 V - for (i=0; i<6; i++)mac[i] = macs[i];0 @) G3 F& y, w8 s/ F p
- printf("\nPlease input new STBID: ");' o% ]' P" K! Y% T/ Y" n
- scanf("%s", stbid);! Y: `' O/ V* H3 |* F8 a
- if (strlen(stbid) != 18) {
. T/ F3 J) F: @# F) k7 r+ V - printf("Invalid stbid\n");! P, l( w* ]0 b' a$ P
- return 1;& [+ F- {/ d" G* X6 T1 w) v3 |
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- printf("\nNew parameters: \n");
4 k5 O% A1 V+ Z$ k% z4 \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 m1 r# X, [( @# ~ - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
, [7 a1 ?2 U7 f8 q" A - for (;;) {
! y: N, {9 o/ m. A# [8 z! _ - c = getchar();) ]# {5 s* F4 Q: z* h
- if (c == 'y' || c == 'Y')
/ s {9 o4 j, r" r6 F" ^" b' o3 F! L - break;
8 f* l# d+ z$ K4 H( y7 g5 a" N - if (c == 'n' || c == 'N') {6 ~! e6 v' |; a. r5 z% ^% M* l% H
- printf("\nAborted.\n");
& v# a# ^6 e, n( ?6 f - return 1;0 M3 h$ ~6 s! L/ X+ d
- }5 q& U2 i( x( G3 ]8 _) v
- }
j L9 V+ K$ L9 E% G# [" _) _ - if (writeparam(mac, stbid) == 0) ) ]% u- M. z7 h
- printf("Parameters changed.\n");0 P" Q; k" J% F9 n; A
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- return 0;+ {- J- m% ]& A6 z8 S* G' x0 X
- }
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