本帖最后由 0522 于 2012-3-21 23:04 编辑 u+ h# w4 y; y6 X$ t' V
$ |, {' R3 c+ ?, R. s) I修改的代码早有了。到今天不会编译。! x% J' c3 [1 C5 \9 h
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* p# Q' y8 s3 ?1 ^" G0 s: P) L0 O
- #include <malloc.h>8 F! p# l1 V4 }
- #include <sys/types.h>3 h# u: P9 N2 v' m3 m0 q# S0 O
- #include <sys/stat.h>
4 l/ b& n& h& n, Z, U4 z; ]1 C - #include <sys/ioctl.h>
& r8 z" B: u; t4 n& w/ X - #include <stdio.h>
1 G" N# O& e2 T3 h% h( Q- k3 I/ U - #include <string.h>% g- ?8 F* Q: k5 z& o) y
$ r: x# o }9 b8 u. o- typedef struct {' }" |+ M/ G" V
- unsigned int e2prom_cmd_sub_addr;
( G" b3 P4 D2 K# t; p/ d. V - unsigned int sub_addr_count;7 e! ?: E* u; @1 L$ A9 F* n$ j0 h
- unsigned char* e2prom_cmd_data;
1 P8 j4 A5 w$ x+ R% n9 } - unsigned int data_count;
5 j; f2 B) o+ B9 k - } e2prom_s_cmd;1 r( T2 I- G3 T- @" ]+ I, A
- 5 v& \3 ~: @0 r& Y0 g- C
- #define E2PROM_CMD_READ 1
/ S6 m; } U/ K6 N9 _ - #define E2PROM_CMD_WRITE 2
* n6 s q7 t" e: v' u5 M - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 s) j/ ]: Y* {) U1 m% `7 M/ J
1 d! j! Q5 w3 D+ n9 I8 ^- ?' m8 B$ N- static int readparam(unsigned char *mac, unsigned char *stbid)
5 e; h. F3 N, l S - {
, k( C8 d1 y1 ]- o; d& q - int fd, ret;+ R; W* A$ e* C& A% ]
- e2prom_s_cmd arg;
- a4 x1 _* ^' Q! H) T; A1 B9 B8 T - unsigned char buf[0x18];5 U! [& }% w- n
1 Q! d( p, Y( N9 Q- fd = open(E2PROM_DEVICE, O_RDWR);
: X; _- b5 m4 b2 ?# V0 h; ]( }5 z - if (fd < 0) {
, F7 P1 \- O8 ~) z; j - printf("Device %s open error.\n", E2PROM_DEVICE);
0 ^) y5 {5 ?1 ]* ?$ ]* g! b' @ - return -1;* J5 F1 e9 s+ L5 j( c9 r
- } F8 x* I( g) W
- arg.sub_addr_count = 2;0 G" x6 L/ E1 M5 x9 y0 ]
- arg.data_count = 0x18;
1 d% u0 S; H1 ?* k' _) k+ D0 r - arg.e2prom_cmd_sub_addr = 0x290;
, {( `1 G, h& j! U! X7 E4 w+ f - arg.e2prom_cmd_data = buf;
V( a( f9 D9 v0 o* K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 T% ]6 B) @# J) p( N - if (ret != 0) {
& C5 |* v2 p6 _! o/ p - printf("Device %s read error.\n", E2PROM_DEVICE);
1 U& r& S$ d6 T+ ~2 ` - return -1;
0 B- i9 [ n- ?. S - }& b0 i* O; o. K) v! Z# W
- memcpy(mac, buf, 6);
) O9 F. Q4 M$ D - memcpy(stbid, &buf[6], 18);
" a3 }( r, Y& l0 @8 j3 R- u) g3 c - stbid[18] = '\0';+ k8 T N& r# C4 L1 {5 H+ g( O6 T
- : v2 S9 w2 k# S1 g+ {1 Q! ?
- return 0;
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8 e) C! ~3 k6 S- static int writeparam(unsigned char *mac, unsigned char *stbid)
( R3 f* i! b* X; P0 v - {
. f3 a2 M6 ^9 F. P8 l - int fd, ret;. N2 o s- t% s/ a- _# }; Z( X, i% s
- e2prom_s_cmd arg;
% ^# P7 _5 ~. D. ~2 q# s - unsigned char buf[0x18];
7 Y7 Q: Q) d; ?
$ {6 S5 d n$ _( N6 R- memcpy(buf, mac, 6);
: a3 M8 w4 Q; \' ^- u) b8 d - memcpy(&buf[6], stbid, 18);
2 u" k _. ~! r& v - fd = open(E2PROM_DEVICE, O_RDWR);" x b9 x0 v; @2 B; ?, D2 R+ i
- if (fd < 0) {
% x5 S3 y6 O; l - printf("Device %s open error.\n", E2PROM_DEVICE);; H3 I0 X J% r& i( ~
- return -1;7 d) X9 W0 \: h
- }
5 l0 w5 X8 I" y' f9 @2 E/ B" _ - arg.sub_addr_count = 2;
. J8 y& V! U" v, F I - arg.data_count = 0x18;
0 @& M5 G( T+ h4 Z4 _9 z5 W, U - arg.e2prom_cmd_sub_addr = 0x290;* T1 V8 a& `3 p1 n
- arg.e2prom_cmd_data = buf;
) J+ y) r; \! G4 Y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; E5 z& L: L, e/ Z( c3 P - if (ret != 0) {) `9 g9 B- m6 L Q4 H a
- printf("Device %s write error.\n", E2PROM_DEVICE);
- c6 x) `; j* m - return -1;8 s4 t) N& [: v
- }
1 M R- y& m+ y Y! N
) e6 | @5 V" b! I+ m- return 0; }: N8 C( Z6 F0 x
- }$ r/ w! d- A0 }9 X B4 d+ P
6 L6 N5 n4 G6 I; @% ^2 Y3 J- int main()
( ^ M# p6 R5 q3 T2 E - { ` o% G% b) n& `7 ~- v3 q' a
- char c;
" z0 T. o5 X+ L$ r% o! J5 o$ R- d - int i, macs[6];8 o: W6 Y% S( |% B3 r% ?$ X% c' l
- unsigned char mac[6];
7 S5 I2 z) b W- h - unsigned char stbid[256];
# O+ u. G0 i( q* B) T' g5 L( V/ N. `* ? - 0 ^2 Z4 q# J. ?2 H: y X
- if (readparam(mac, stbid) < 0); F# T, j; C9 i2 @# K7 _
- return 1;
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% B! t/ R; x1 P/ X9 z- printf("Current parameters: \n");
4 d, a# ~1 W( k1 X0 Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 t8 X" y( t, i
- printf(" STBID: %s\n", stbid);1 @& |& W7 ]" [) v) r* \% o' N) y% h
- 5 l3 b; \( h9 {7 p. D4 l) ~0 U6 N: R
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 i" ?5 g: q% a& B - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! h* f1 r: B8 g9 B8 O% Y D6 N - printf("Input MAC error\n");% [6 A' Y6 k) ]9 i p' |
- return 1;
8 N D) G3 m7 A - }
[) I$ P3 r8 t$ [+ v- ` - for (i=0; i<6; i++)mac[i] = macs[i];. `8 k- I/ r. ^! a E
- printf("\nPlease input new STBID: ");
) W7 t+ k" ?2 w2 W) M - scanf("%s", stbid);
5 }* S7 z$ I' o- R* T8 q - if (strlen(stbid) != 18) {
3 x0 B) k' B* o - printf("Invalid stbid\n");; u9 T& _* ~- ~( J
- return 1;. b) p4 L% A9 y) t) l3 f4 B
- }3 ` { I, n* l( {7 ]" K
- printf("\nNew parameters: \n");( Y* @2 B4 |! i8 V+ }/ k( @8 X6 B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 d; @: F2 ?6 _# y" v, Z
- printf(" STBID: %s\n", stbid);/ X8 j) r6 `. x3 i; U3 {
- & s z, X& C3 `4 |
- printf("\nDo you want to change paramemters? (y/N) ");/ |% m. {1 q" J m
- for (;;) {( q( o1 j0 N2 n" w4 v- l5 c! |
- c = getchar(); x) M+ ~. j) A# p
- if (c == 'y' || c == 'Y')' o6 F' d7 W* h q) |
- break;
! C3 L3 b7 @) }# h" F - if (c == 'n' || c == 'N') {
: e/ V4 a+ d1 ]" p; ? - printf("\nAborted.\n");
0 k' U& W9 v; |, y) ]# M9 j' c - return 1;4 n4 h& D) `; J' q
- }- b$ l$ e9 ^/ e4 p
- }0 u! L/ J+ H$ ^+ [ t
- if (writeparam(mac, stbid) == 0)
! I2 ]( ]0 v/ d) n/ B4 e - printf("Parameters changed.\n");
* L! ~" h, M0 M7 ^7 p4 I" L - - A( g, G- W& M" A; ]
- return 0;
+ O1 g8 w# c9 q9 E - }
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