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。
$ F9 S( D6 B" P- `' r, _* Q3 s A需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 T6 y9 U; n0 `$ e2 c% [' a - #include <malloc.h>6 U8 Q/ @. }0 O# J
- #include <sys/types.h>
3 E! q6 O y# O1 v! U+ g j! |3 e - #include <sys/stat.h>
1 L9 P6 E) j2 Z4 g; l - #include <sys/ioctl.h>7 z' ^1 @) S$ ?6 K) |" `4 E
- #include <stdio.h>0 F- [+ L4 i0 ^: j* y) t9 e
- #include <string.h>+ Z$ F( i3 Z3 `: v; l$ k
- ; d* x4 B: J: U2 G( Y3 S* F; h
- typedef struct {
* n2 A1 [; W/ K6 V Y - unsigned int e2prom_cmd_sub_addr;
( n- D0 y! X3 D0 ]/ j) D0 ]* D) Z - unsigned int sub_addr_count;
- j7 p$ r' Z8 O% X7 z7 F j6 K' H - unsigned char* e2prom_cmd_data;
0 \9 h/ r+ j. j- e8 N - unsigned int data_count;
/ x- t' [7 j( Q6 W7 m& }5 b7 @9 m, b8 Y - } e2prom_s_cmd;2 z. X8 A% u& G
- & z% ? R$ T, t! Y. N+ j1 ~- ]
- #define E2PROM_CMD_READ 1
% G5 [+ p0 E; k: g$ y - #define E2PROM_CMD_WRITE 2
' k0 J+ N* z1 g, ~3 @9 R2 g( } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ u# z+ |. \! y; e) t. J
- . j5 j6 \/ |9 r! E8 ^
- static int readparam(unsigned char *mac, unsigned char *stbid)
: T. l ], L# N, l0 w* P: m - {5 f; ^0 V3 _/ \ o4 p) Z- Y
- int fd, ret;6 N. o1 [* X1 q0 `( E4 @
- e2prom_s_cmd arg;
! Z. F8 `3 Z* h - unsigned char buf[0x18];& Y" o! o I8 C8 X
3 B3 X6 E) q( J. u. k6 X% S/ B& E- fd = open(E2PROM_DEVICE, O_RDWR);% b# }1 g9 T0 m2 }8 d
- if (fd < 0) {
" U3 K1 d5 X& t6 E) _1 [ - printf("Device %s open error.\n", E2PROM_DEVICE);9 a+ R' Y6 l0 ^1 h
- return -1;* G! T$ u M" c0 j/ Y6 h# J8 u, `9 `
- }
/ ]+ J6 X' V% ?9 u - arg.sub_addr_count = 2;$ |& V/ P! A( D7 I2 v
- arg.data_count = 0x18;
4 I9 E+ v1 I( E - arg.e2prom_cmd_sub_addr = 0x290;
& q) f2 V$ M2 D+ p. y1 e - arg.e2prom_cmd_data = buf;) L, [# E/ {) F5 N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ H s- _ f$ B9 c0 M
- if (ret != 0) {* x( R$ a( }/ f0 W; Q6 d( w3 U
- printf("Device %s read error.\n", E2PROM_DEVICE);' h1 E' s& X1 G7 [+ i+ ^- s
- return -1;
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- memcpy(mac, buf, 6);, ~6 {$ w: {% h9 J" D/ _: |
- memcpy(stbid, &buf[6], 18);
- _- u% N u6 \4 O - stbid[18] = '\0';
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$ z7 M( E1 w3 i6 q" {8 j! T4 I& V5 s- return 0;' p* X9 n, I) _. \4 j2 P, i
- }8 X/ ^) m7 y: E. _% T, b
" }2 M1 x) e* e+ g4 S! E8 ]4 Q8 S$ E. W- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 R6 L. K7 b& i3 }& {+ @ - {
o% P4 H0 q' {8 j - int fd, ret;
( ~; f7 w# H/ ~% o - e2prom_s_cmd arg;
( w4 o) ^2 X0 _8 d3 t2 v - unsigned char buf[0x18];, V+ c$ {3 W" E
* v% J3 G& c- B$ p8 F7 N- j- memcpy(buf, mac, 6);, [- |6 _5 K$ w
- memcpy(&buf[6], stbid, 18);
3 B( V; n/ K4 o4 h, s# t5 | g - fd = open(E2PROM_DEVICE, O_RDWR);5 r+ c3 ~$ c* d% ?
- if (fd < 0) {: }( }) U6 n2 {
- printf("Device %s open error.\n", E2PROM_DEVICE);
. E- ^3 z0 z9 }( F, A3 J - return -1;( v9 T- t7 e6 v& j2 T
- }& H. G" s- M7 m V/ Y' j" c
- arg.sub_addr_count = 2;
2 ?% z# i& e- t% Q C - arg.data_count = 0x18;
# h! Z7 I9 A/ J" O7 R/ K f s/ k - arg.e2prom_cmd_sub_addr = 0x290;
v) Q+ x" X% Y* s5 E1 P! m - arg.e2prom_cmd_data = buf;
8 F/ t8 J6 `+ g( Q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! {$ @0 [2 N8 m2 ]8 j - if (ret != 0) {3 `2 \7 @) z* F2 o1 F
- printf("Device %s write error.\n", E2PROM_DEVICE);
* p7 }7 V* \+ x" n: T - return -1;
+ w: m0 E+ j* K+ V - }
- [( h7 ~- G" ^. \6 k1 C
2 c6 E$ S) h; A5 ~( c- return 0;
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- 3 ^4 `* Y2 P3 g" `
- int main()
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- char c;6 ]- D: I+ g" t' m$ u3 v
- int i, macs[6];
& C' I' j, s( ^4 v I' `- l; I - unsigned char mac[6];
1 [: `. k6 {* P8 r - unsigned char stbid[256];
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0 J [2 p% o; b5 y, b- if (readparam(mac, stbid) < 0)
U8 N8 r6 z' d2 I# F/ a - return 1;
+ r& x! E1 r# Q6 W) x* B. k) j& P - , d3 _ e4 X, R5 j1 ]9 I
- printf("Current parameters: \n");
( m1 @- N. j4 `9 S+ j9 h0 X$ C7 G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) `: q( V5 I# x' a1 |9 W, p8 ~" a& O9 ^5 a
- printf(" STBID: %s\n", stbid);& I6 ]( W3 x. Y" V: a
-
( I! D7 t0 E- ]8 Q) ?7 Y1 f- R/ `. P - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 A) v+ o+ d- ~0 |5 x% ^ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ J o }* M6 A) U1 ]4 `
- printf("Input MAC error\n");2 X4 r/ M* w( M, h+ c G
- return 1;' H2 v6 c0 {% n9 M( Q
- }1 h: b5 A7 a3 W6 n" k0 K' a
- for (i=0; i<6; i++)mac[i] = macs[i];
" t- ?0 [( F* R8 e/ h; S& [5 F - printf("\nPlease input new STBID: ");
1 G b# l. i) e) d1 A) }3 \ - scanf("%s", stbid);
7 o+ s; R4 t. J {1 {$ i o9 v# {; N - if (strlen(stbid) != 18) {
0 \* p: z: _: [' F: ~% r% Y6 S - printf("Invalid stbid\n");
$ `: y" I% b4 V- V G8 l - return 1;
: Y5 U# {7 Q& X; ] E* g% n$ U0 C; ? - }
' C( g& f9 w$ d5 C: z* d - printf("\nNew parameters: \n");
# ~ ~& X, \% R7 }4 { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' K+ ] F% @& G9 J - printf(" STBID: %s\n", stbid);
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- J% g* d% F$ T% A5 X" d1 W- printf("\nDo you want to change paramemters? (y/N) ");7 `( J$ G4 t }: p6 Y5 k: J$ i# f+ p
- for (;;) {& d$ k+ K8 b/ K/ d) D
- c = getchar();7 Q( c9 y! `4 H* h, i) q; W, B; p4 V
- if (c == 'y' || c == 'Y')1 X9 x2 d; L6 Z4 _6 J
- break;
1 K$ ^; i. G- K/ A/ [ - if (c == 'n' || c == 'N') {/ U' [4 \* K; w/ h( ]4 S
- printf("\nAborted.\n");
4 ^% ^: v8 U+ L% T3 d - return 1;, f+ v' r( z1 u7 Q- V# w; e
- }
4 I! u) }7 P3 \% X9 t8 h - }
" R z2 ]$ C7 c3 P5 q - if (writeparam(mac, stbid) == 0) 4 d. w/ b; m% G+ _, p5 U' U3 M
- printf("Parameters changed.\n");
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- return 0;# [& _0 {6 G9 }+ b4 g
- }
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