本帖最后由 0522 于 2012-3-21 23:04 编辑 9 O1 A5 z$ M3 o M
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修改的代码早有了。到今天不会编译。3 y2 ~3 p E4 W5 {5 G; h# p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 k0 x* V9 W* `$ Q
- #include <malloc.h>' o, C% L4 r! e; x& n& S
- #include <sys/types.h>
! F7 g- I6 i6 s0 |$ G - #include <sys/stat.h>' V) e( r% H3 H' y- h% J3 B
- #include <sys/ioctl.h>/ \- K* M N7 ^ G% D/ _' x/ N) X
- #include <stdio.h>
! D) \9 c1 M- t0 e) I - #include <string.h>5 H5 ]* g* G* _
- / e: }: r& [5 u; p9 k
- typedef struct {/ q" {% w n6 j' ?. s+ m
- unsigned int e2prom_cmd_sub_addr;% S3 H5 c& y/ I# M. L0 ?$ b9 W
- unsigned int sub_addr_count;- E+ {( L1 A+ R/ E; B! T
- unsigned char* e2prom_cmd_data;
- e: V, P2 o; \& b9 D* E - unsigned int data_count;
# W0 c6 N2 t0 f! M! A* a4 ~ - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1! q# \, e7 H4 S' ^( l" A }% E
- #define E2PROM_CMD_WRITE 2( }- x b9 i4 R3 R8 j3 R
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)& @! B6 `5 h* f `
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- int fd, ret;3 C* T; [: E& t& N8 [
- e2prom_s_cmd arg;
# A6 P# {7 I: ~% h0 c9 P/ F - unsigned char buf[0x18];* w9 U0 K% Z$ v/ e6 ^6 d
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 ?6 O7 f! ^; F1 A# v - if (fd < 0) {- Y$ z1 n6 O$ E! c# a& \
- printf("Device %s open error.\n", E2PROM_DEVICE);" \6 I/ t+ h w! Q: l
- return -1;% f4 g' z' h9 Z+ i' O
- }
/ @0 T. O2 `& u - arg.sub_addr_count = 2;
& P O4 A3 F% z( r/ Y X9 U; S - arg.data_count = 0x18;
4 H/ l) T1 o. ^: V0 J2 |6 R - arg.e2prom_cmd_sub_addr = 0x290;" K4 w8 v2 c. Z9 r& E2 R2 }0 _
- arg.e2prom_cmd_data = buf;
/ @9 v) x& q# w& w ] - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, v8 U) V; o: s. B - if (ret != 0) {
) n+ h; f/ ^$ }0 { - printf("Device %s read error.\n", E2PROM_DEVICE);( ^+ b* r7 |$ J ^
- return -1;% c% k% F, m) }1 u1 j5 G+ `" b, C# [
- }9 k1 L6 E- I' ?) m
- memcpy(mac, buf, 6);" t. n! q& H' {; M
- memcpy(stbid, &buf[6], 18);
+ g1 G! i6 x0 M, m# x, q) V - stbid[18] = '\0';
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% K$ A+ `6 C& G5 N4 C- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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7 J8 M: u+ f$ o* y M - int fd, ret;- E K4 m- ~) N$ M/ Q
- e2prom_s_cmd arg;7 n! G0 N- [# p1 D7 F
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);6 t8 w+ f+ ^' N- K; Z" G
- memcpy(&buf[6], stbid, 18);
( Z( @0 l3 ^' e4 I- S3 q6 e2 P8 { - fd = open(E2PROM_DEVICE, O_RDWR);& j. c0 _ e$ p9 B* f- D; Q
- if (fd < 0) {
% U. l2 k3 F( C) }2 v7 o L - printf("Device %s open error.\n", E2PROM_DEVICE);- }- a, @) A3 r6 h* P4 i( F
- return -1;
2 Y* G: ~7 j6 C j( O! E7 H - }
n4 v$ K5 _: }1 a B' W% o# K T$ _ - arg.sub_addr_count = 2;, A, J5 S5 e% ^
- arg.data_count = 0x18;
9 n! _* V" s$ B/ T0 | - arg.e2prom_cmd_sub_addr = 0x290;5 Q& h ^0 |/ I9 I1 w6 h# H+ x
- arg.e2prom_cmd_data = buf;
' P5 ~# s: D) l1 R: q% N1 l8 j - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" Z9 f" S' `: D3 Q6 s
- if (ret != 0) { m; Z1 e x* u1 s
- printf("Device %s write error.\n", E2PROM_DEVICE);2 R& d" k3 g- ^2 z" j( Y
- return -1;5 M7 I5 ] k; k+ N
- }
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- return 0;! r g4 ?' @: N2 { }/ H- I
- }
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- `/ W1 \$ ^9 z- e# C' \- int main(), B, w3 \3 _8 I; d' ~8 V
- {- i. w$ |( M5 P. j
- char c;" I$ ]7 O9 F @, v& s/ S9 @
- int i, macs[6];
, O3 i4 D! E3 d3 @ - unsigned char mac[6];: x2 E$ F5 o; w/ P: I# `
- unsigned char stbid[256];
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. |2 s% Y" D# V! j) p0 s- if (readparam(mac, stbid) < 0)
* r7 i$ n/ U. O) u4 m - return 1;
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- printf("Current parameters: \n");
' O- G! L% W4 G* i( ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& b- R; f0 ?4 t# d ~) y0 E- m1 ` |- d
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! M) C& ~( w8 S, P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 S9 }1 ?4 H& W# P2 u
- printf("Input MAC error\n");5 F8 L( y9 |4 r, p
- return 1;
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- j- T& M, _# o5 y - for (i=0; i<6; i++)mac[i] = macs[i];
5 ]2 n4 ?' S; ^ u y$ ^+ r4 g3 c - printf("\nPlease input new STBID: ");- L2 C1 U* C4 v. g3 i
- scanf("%s", stbid);2 t+ o: b+ @5 n4 w7 p$ o6 W+ D
- if (strlen(stbid) != 18) {
2 m* _( t4 [! P: B - printf("Invalid stbid\n");& g& J' g+ U& v2 r7 L/ T
- return 1;
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1 U% O+ | ^0 m4 Z; i% W8 _ - printf("\nNew parameters: \n");3 g6 P. T, P1 d+ \2 H' T& J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 }' W5 d: ]! V+ U. [2 K0 W5 f; j& X - printf(" STBID: %s\n", stbid); F$ {+ }4 O, s1 j3 S
0 l! r" Z+ o _! f- printf("\nDo you want to change paramemters? (y/N) ");! w( h3 m' E; ~* Y+ n2 A* J1 |& Y1 x
- for (;;) {
+ I% y( z: c& v% c, }) H/ J - c = getchar();. u4 Q% f+ U4 n1 e/ ?
- if (c == 'y' || c == 'Y')( f7 j, k! F6 L0 P* N
- break;
n3 d" M4 {* v% c5 M% {) v. \% T - if (c == 'n' || c == 'N') {
) I9 W, u$ C" v- _; N4 _ - printf("\nAborted.\n");9 ]: ?/ ~9 P3 N
- return 1;
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- }
" B: d& _1 ~% ?3 H* t: C0 c - if (writeparam(mac, stbid) == 0) & ^1 w9 Q6 U9 e' M# g, }0 |
- printf("Parameters changed.\n");
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- return 0;
# B8 }1 _8 V: l& n" d$ ] - }
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