本帖最后由 0522 于 2012-3-21 23:04 编辑 " O: X$ @- R* S$ M) Q- b4 j) W7 m
2 K! B5 Y; q, w0 ]3 C k; z修改的代码早有了。到今天不会编译。- I% ^; I7 O! \) K4 B8 n$ n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, b2 ^! j; G \$ u1 S Q - #include <malloc.h>
7 e8 s) I/ j$ g - #include <sys/types.h># y6 ~% m4 u. P H
- #include <sys/stat.h>& P" Q. V% {$ o
- #include <sys/ioctl.h>3 X1 d: d4 v) y! q7 H' L) B% T
- #include <stdio.h># S+ e1 ]* r1 c4 n0 _
- #include <string.h> ?* p' j5 T, k, E8 |5 i
% T) E8 M3 J5 l% M: \" b' c1 P- typedef struct {+ T2 ?/ a0 f+ |. R
- unsigned int e2prom_cmd_sub_addr;$ E$ Q, _; S2 E# M% r
- unsigned int sub_addr_count;
6 V: o0 r0 Y X ?5 g' d - unsigned char* e2prom_cmd_data;
% R& O6 ~! T7 {. ~8 |% z+ ~ - unsigned int data_count;
: @: W& m" h F! N) N$ Z - } e2prom_s_cmd;
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3 _0 n( y/ Q$ @/ S2 m# V( V- #define E2PROM_CMD_READ 1& `9 F1 e* V& }3 W7 T
- #define E2PROM_CMD_WRITE 2
9 E. A% _# U0 r4 d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; \& r6 @6 e6 G2 a9 r; e4 q- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;' ~3 _# v2 W! d Q( r' g
- e2prom_s_cmd arg;
|* i* ]/ E: r7 y; W8 N8 q - unsigned char buf[0x18];, H, E" x5 L, M
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- fd = open(E2PROM_DEVICE, O_RDWR);7 N$ u1 k7 u9 C
- if (fd < 0) {
) Q# C; E, T. W- N# c4 X0 F - printf("Device %s open error.\n", E2PROM_DEVICE);
' q0 A4 c8 b) g& n+ L8 y: _7 S - return -1;7 U& ?! ~6 w. S: l
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- arg.sub_addr_count = 2;
' D( {+ x2 x' H; P! D* B - arg.data_count = 0x18;; o- z5 q; a( I: ^
- arg.e2prom_cmd_sub_addr = 0x290;
; I* x \2 x0 l1 E - arg.e2prom_cmd_data = buf;
# g0 i/ ~6 h7 d; }5 Y5 [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ f5 U. x) z: j. }- w2 ^
- if (ret != 0) {
j! V) Q. Q9 T9 P1 s Y - printf("Device %s read error.\n", E2PROM_DEVICE);- `* m+ I/ y/ F! h" p/ ]( U6 V
- return -1;* w9 x# P; C5 ?
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- memcpy(mac, buf, 6);
, {7 V3 x! M/ k/ D% H - memcpy(stbid, &buf[6], 18);
/ P; }& o7 b& Q6 q. z! F0 J - stbid[18] = '\0';
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8 J5 R* L& J+ A- return 0;4 ?- X) v) V* c
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9 P" q( }6 [) d7 X, t% c: U' s& e8 }3 y- static int writeparam(unsigned char *mac, unsigned char *stbid)' Y1 ]# T8 w& C% O. }5 O
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- int fd, ret;* {8 g8 _: O2 A% t; J) {) V- ^
- e2prom_s_cmd arg;! b! i q: O5 C6 M, i9 z) \: [
- unsigned char buf[0x18];+ `% d9 G1 M. U$ _" o
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- memcpy(buf, mac, 6);
- g) z+ F, S2 _9 S( j, b - memcpy(&buf[6], stbid, 18);
. \7 C; X: b* y1 {! L3 m" Z: E - fd = open(E2PROM_DEVICE, O_RDWR);
% Y: @& {0 x. P* z; I - if (fd < 0) {
|& z- g2 o- q: i5 ` - printf("Device %s open error.\n", E2PROM_DEVICE);
7 @5 t# d7 a+ _) [% ^* ^ - return -1;$ M- s6 R3 P. O& O n; P% y
- }
7 l" }9 T8 x" o& h8 o1 Y - arg.sub_addr_count = 2;& O5 E/ T6 _3 P
- arg.data_count = 0x18;
3 z- X- T/ n. {- z1 o9 b% V - arg.e2prom_cmd_sub_addr = 0x290;: \: p2 {( p* e
- arg.e2prom_cmd_data = buf;7 V/ ~8 i8 M* s: P4 Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
@ l. B1 o, `: \1 X& q, c8 q - if (ret != 0) {/ k0 C, m% @, K0 _# G
- printf("Device %s write error.\n", E2PROM_DEVICE);
V$ `7 U G- G - return -1;% _# }/ N8 ^! \$ C" N N+ {
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- return 0;: [( R% x& F1 s% n0 v# K1 h
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- int main()
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- char c;
) O/ r' l/ s2 i. r$ k - int i, macs[6];4 R# s; P+ ^3 m5 P7 C4 a# R
- unsigned char mac[6];. R9 f8 ~, s' t J
- unsigned char stbid[256];
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) \, ^! |; w% o/ @3 l/ K( y- if (readparam(mac, stbid) < 0)
0 F& \0 `3 ^( o# i5 n - return 1;2 g6 ~2 ^3 L+ }3 Q: ?
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- printf("Current parameters: \n");
% W6 X! ~, i, g2 e# ~4 b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 y6 I0 u0 K+ Z& o( G
- printf(" STBID: %s\n", stbid);$ X+ R( w g/ R- s
-
( Y C5 ~' y7 X- L% c5 R1 w - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, o7 [& K, Y& V# J3 ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 u" z1 G- Z0 _! z - printf("Input MAC error\n");8 v% P- P- f5 i& M: n) l
- return 1;0 `3 E u0 M" k9 u. G1 c
- }
1 F* p- \' w% O. g$ E - for (i=0; i<6; i++)mac[i] = macs[i];) f" z6 l- _$ b) a4 `1 {( d
- printf("\nPlease input new STBID: ");, A6 Y' w/ O; S- i! f0 a5 G. y
- scanf("%s", stbid);, ~1 z: g* J% s( M5 d7 |
- if (strlen(stbid) != 18) {7 ?' ]9 E( A' j- {& a- a
- printf("Invalid stbid\n");
3 c4 m+ s2 X1 y: `; j - return 1;
! J. L, u Z5 n& }/ c7 [) ]; t - }
2 [! q6 H3 _1 h+ I5 M8 o1 m - printf("\nNew parameters: \n");% F/ k. \/ E7 x& w! `3 g+ @6 D! Z$ B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 P5 M4 w! B# V; k9 e - printf(" STBID: %s\n", stbid);1 |9 c) j2 Z- [/ O" }* h* S
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- printf("\nDo you want to change paramemters? (y/N) ");* A5 ]4 ^/ g; h( m9 V
- for (;;) {/ I+ _. e' m' k- ?; u7 X
- c = getchar();2 V+ @5 `- R% B0 s$ Z. J! K
- if (c == 'y' || c == 'Y')
: A7 S$ p: ^: g0 I3 ? - break;
, D2 x# C& m: S( [/ I3 u. o - if (c == 'n' || c == 'N') {
w4 o7 b, I# F$ ^# J( G" Z# e - printf("\nAborted.\n");+ z1 ~! n& x5 M
- return 1;. G) g0 X/ L+ S# i
- }
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- if (writeparam(mac, stbid) == 0)
/ U! i6 c, \0 o) k# A0 L: N - printf("Parameters changed.\n");
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3 q2 Q8 e+ z# M7 E) x1 f! w- return 0;
! Y2 o) l: U. n9 [ - }
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