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。; ` I$ ^; G5 p C; H1 \/ {
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, I5 F8 {. ^( @- c' y0 a$ X - #include <malloc.h>
6 {0 d5 e# E6 @, b - #include <sys/types.h>: O: C# q K% A! C8 c5 g& j6 G
- #include <sys/stat.h>4 {9 N3 C; g4 x# v
- #include <sys/ioctl.h>
! b5 r- b+ ~6 [$ J. F. I- y - #include <stdio.h>
2 ?) n- K) }1 O1 _) x8 D - #include <string.h>! L. ?; O( K8 ?* N
. e% S9 v8 c! }. v- typedef struct {
1 }3 d- I! [4 b% g - unsigned int e2prom_cmd_sub_addr;2 e2 q y6 V% A! M* x( v _! {
- unsigned int sub_addr_count;
2 G4 s: I& a& u. F g+ M' w5 T0 p - unsigned char* e2prom_cmd_data;. n* S7 g3 n* w2 E( P8 Z* Z7 p
- unsigned int data_count;* M" i) V& K5 g
- } e2prom_s_cmd;6 T& o) G! m: W! D" v+ j. W
- $ g* K# {* C* L+ P4 T, f8 f
- #define E2PROM_CMD_READ 1
8 U% k M. Q S. l - #define E2PROM_CMD_WRITE 2
2 M! {( k8 u: n* n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 t+ ?( a- t( z- R- Z
& L+ _0 x2 e) p- static int readparam(unsigned char *mac, unsigned char *stbid) m6 o6 c4 E$ c5 S5 j% p# Z' y
- {& Z$ s* _6 Z! y0 `2 x$ G
- int fd, ret;
5 Y4 f) O8 a, o j) r5 Y - e2prom_s_cmd arg;
2 ?* ]: n5 m' b0 Q - unsigned char buf[0x18];5 n- f& m# u' ?
6 b* F/ w' i1 x* k- {- fd = open(E2PROM_DEVICE, O_RDWR);
% W5 S2 I- h2 W" k- N" y - if (fd < 0) {6 y& \) h8 n! |$ F. H8 k6 y
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 J0 i" m, w: i6 q0 y) }9 C - return -1;4 r4 e) `+ s) b3 ?/ H, \
- }
$ x9 M& H1 }; o( p; B5 ]/ O - arg.sub_addr_count = 2;9 }2 H: t j/ m/ {
- arg.data_count = 0x18;
6 u [, s( `# I4 x8 D+ Q - arg.e2prom_cmd_sub_addr = 0x290;6 d/ i+ x# \7 A$ ?( ]
- arg.e2prom_cmd_data = buf;
5 F' o/ Q7 d1 i. K7 v - ret = ioctl(fd, E2PROM_CMD_READ, &arg);( R" _. m; E2 h5 [
- if (ret != 0) {2 \6 Z, p) D1 |9 E$ q$ \. o' L
- printf("Device %s read error.\n", E2PROM_DEVICE);: G* t4 g- K2 u) L
- return -1;+ u' y5 _- S- r/ h" v7 ~8 F, L% c
- }
& T9 Q' a& g. Y4 a+ L7 P- p9 \4 P! ^ - memcpy(mac, buf, 6);5 `2 k/ }0 G' x0 }8 Y2 m
- memcpy(stbid, &buf[6], 18);
( E U# ^+ d( _2 f9 P- { - stbid[18] = '\0';+ ~; |5 v n3 _/ b& ]; U
8 A& _) I2 w" L3 U- return 0;
. e) C2 ^8 R- O, y6 n' u& e; H - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)1 `4 F* g. y; }/ N' f2 u5 v
- {+ g. F, h: J8 y! n5 a
- int fd, ret;
9 j: l. ` O5 g) M - e2prom_s_cmd arg;
) w# |' Z6 y) G% q; [: f& ] s. q - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
* p3 s$ L5 A$ W0 I - memcpy(&buf[6], stbid, 18);
4 `8 h) @- J- }, z0 M5 h& Y8 p" E* O - fd = open(E2PROM_DEVICE, O_RDWR);
- u1 g, {) u: P" @ - if (fd < 0) {
. C! p- g* O' n, w - printf("Device %s open error.\n", E2PROM_DEVICE);/ J9 E1 u" T/ Q
- return -1; O& D2 _ L" j& i( W% g
- }6 g; b/ W9 C3 c4 J2 k, [# C
- arg.sub_addr_count = 2;
2 g/ P9 B7 m% V" A$ I - arg.data_count = 0x18;" h) `, O! ` i
- arg.e2prom_cmd_sub_addr = 0x290;9 ]. V7 v1 t+ X/ Z& I; f6 n* r
- arg.e2prom_cmd_data = buf;- s" v: l2 a& g& j/ p$ |9 f
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 h) V$ d: f( V* m
- if (ret != 0) {
9 O+ Q: a: D* G. o: B( B% f - printf("Device %s write error.\n", E2PROM_DEVICE);* }- E- A L4 S% _
- return -1;/ ^' W' Z2 w( r; j" n) C7 G
- }
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- return 0;
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1 y8 K9 n, h: t" C( d' C- int main()
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- char c;3 X! U- V7 |% r
- int i, macs[6];( l" L' H5 C# X. q0 X
- unsigned char mac[6];' N" l# h* @& v. ~; m4 J3 \+ p5 H
- unsigned char stbid[256];, e4 x, n8 U9 Z9 T. j% |: C4 w
$ R: a' m5 W/ R- A3 Z; R3 }- if (readparam(mac, stbid) < 0)* P4 r& d; w6 J
- return 1;4 ?+ U, s: V4 F/ F, M
- 6 q) w( x$ g3 C+ q" e
- printf("Current parameters: \n");) ~( X/ A1 U$ u' d* S: J, \5 q; G
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; y, V$ F9 n% T; X
- printf(" STBID: %s\n", stbid);. Q4 X, N- N3 |- t
-
/ d, {: W4 ]; j# [: Z, R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; G9 X8 ~1 q8 b: I( a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- q5 Z: y9 w' o# l8 a/ A$ t5 V; H - printf("Input MAC error\n");
) u# u" E( n8 ]5 n/ ~ - return 1;- X4 n5 r0 G, c5 a+ W6 A: z
- }
2 ~, U! w( } R" O1 M8 q7 q - for (i=0; i<6; i++)mac[i] = macs[i];
) W# G# y6 \2 z n - printf("\nPlease input new STBID: ");
9 `2 y. d7 m- F+ H9 i, \ - scanf("%s", stbid);8 q9 l# O6 q R. ~5 s! E) k3 D
- if (strlen(stbid) != 18) {, i+ y; D5 q$ B2 ~- E* Z, t( A$ O: V
- printf("Invalid stbid\n");
& n4 I& @& }7 w) G/ W% _& X$ ] - return 1;8 i1 P. z. x# K$ f+ _$ p& D
- }
+ ~0 ~+ j/ ^+ ?. P6 \, I9 o7 s - printf("\nNew parameters: \n");: o. D7 J6 [; Z2 V0 r8 W$ l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ R, `* |- [4 g, E5 ?7 @ J+ j( u - printf(" STBID: %s\n", stbid);' D" a4 U6 D8 W
- # w. o, U% `! l2 b6 |
- printf("\nDo you want to change paramemters? (y/N) ");
( @. N9 z+ Y: t$ x - for (;;) {9 V. G6 z7 B, h& J& q* y
- c = getchar();
8 K6 A- k: ~3 ]6 y - if (c == 'y' || c == 'Y')5 ?+ O7 M) u' Q3 m/ i
- break;) w' l7 s6 L, Z: m" q
- if (c == 'n' || c == 'N') {
) R- N( H7 X% W8 Q - printf("\nAborted.\n");
& I, V$ l! y4 K! ]+ Y: y4 i - return 1;! }5 ]7 h4 a5 q2 E$ a
- }
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- if (writeparam(mac, stbid) == 0)
# c( P$ }7 m1 w- b% }* Q - printf("Parameters changed.\n");) U, q6 X2 o- t1 j: u3 V* G) C
- - l) I/ B! N1 ?( \( b
- return 0;
- Z$ w& N7 h/ T) B - }
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