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。
7 W. [2 [, S3 ]. T: ^# I0 g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 \ a) e8 h5 o& m9 a! }$ t
- #include <malloc.h>
) s( I7 @) O7 n6 g K9 P - #include <sys/types.h>* P3 B% K5 i2 r' C$ ]- P
- #include <sys/stat.h>8 n4 t5 Z0 Q- W! x( m
- #include <sys/ioctl.h>: ^, Y4 w' C! G# B3 ~7 H" N7 I
- #include <stdio.h>! X8 P# E e" t+ _# G% i, J0 i( ^
- #include <string.h>/ y. V; W( \8 O4 R& f' \0 P
- $ |8 M3 x) j; Y# ^+ V
- typedef struct {
5 x% j u! }' M; e2 x) } - unsigned int e2prom_cmd_sub_addr;
' I* ]8 N; O" k. ]& v; X - unsigned int sub_addr_count;
' K, L _5 V6 W- \- Q* _2 s$ P - unsigned char* e2prom_cmd_data;1 [1 U, r7 K: B' ^
- unsigned int data_count;
0 g0 v" F) U1 s( B- I: X3 L' { - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 14 X" R; g2 | u) @- }
- #define E2PROM_CMD_WRITE 2
& Q5 ^& T/ Y9 E w# T% z1 X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
\- ?7 @, H5 D4 e/ H3 ]* g - ! S/ f9 F: R: ^# `0 x
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;8 }" C7 y% i7 J+ _4 c' b( ?
- e2prom_s_cmd arg;
1 O' L+ K+ n2 R0 u: g% w7 B5 ^" S8 b - unsigned char buf[0x18];9 J; Y- s9 d+ n# a" p# E
- 2 t) X$ k: `" |8 z+ A
- fd = open(E2PROM_DEVICE, O_RDWR);
. l: H* ^3 i5 Y - if (fd < 0) {: R9 j6 q% T8 y, Q P% U
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 U( @8 y s8 U0 ` - return -1;
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- arg.sub_addr_count = 2;# }! P9 j+ M+ h: ?3 t, d
- arg.data_count = 0x18;
& [) v# Y5 I( p, ^- q - arg.e2prom_cmd_sub_addr = 0x290;
9 E: z+ A) q) }: F7 U - arg.e2prom_cmd_data = buf;# H5 r$ ], ?: B. b/ q+ X( g2 l
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( b2 z1 y2 A. e2 W1 ]+ U* l8 A5 p
- if (ret != 0) {: x1 j& h& O1 `6 {$ h( Q
- printf("Device %s read error.\n", E2PROM_DEVICE);
- C3 w+ F% l* Y - return -1;
2 t/ `$ N: J4 y% |9 T4 ^& K. w- ^# | - }
8 _: n8 g1 }' I - memcpy(mac, buf, 6);& o4 U7 p7 I9 ~# P6 c6 g, ~
- memcpy(stbid, &buf[6], 18);
& `! _8 ~* x+ }* a' \: g; ?- L/ m - stbid[18] = '\0';
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- return 0;- x$ w7 h9 H Q
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
% L) a! t+ w- v8 f3 r3 x4 B' ^ - {
8 ~' c' W# A- n" Y# M - int fd, ret;
: i& G+ v: Y2 o - e2prom_s_cmd arg;
0 L7 T5 C" e8 D, b4 X/ E1 y - unsigned char buf[0x18]; m1 H% b; N% u$ b. Q" l# {6 b* f- j
- 6 q t4 _% ~5 w7 ^# @ y# |
- memcpy(buf, mac, 6);& Q$ _0 d( A1 S9 M! i
- memcpy(&buf[6], stbid, 18);
+ T: ^; w6 |- f/ n# o6 e" b( M) K - fd = open(E2PROM_DEVICE, O_RDWR);1 S2 V" C5 B8 x
- if (fd < 0) {
1 y1 J; z4 r* t, B - printf("Device %s open error.\n", E2PROM_DEVICE);: P4 c/ S! T1 u
- return -1;
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- arg.sub_addr_count = 2;0 t; m. O# N( S- `' Y: M8 \
- arg.data_count = 0x18;0 M/ i! C/ t) [) n; ~3 L; I2 u
- arg.e2prom_cmd_sub_addr = 0x290;
; ~5 f2 ~, C e - arg.e2prom_cmd_data = buf;' d$ J; T8 j; s; J4 ]1 y# y# T% X
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 j( T; L1 U6 L% y
- if (ret != 0) {
" L0 i# D) |0 D( h7 A0 z( O0 ] - printf("Device %s write error.\n", E2PROM_DEVICE);+ R+ O2 t4 } k/ a0 e+ W
- return -1;
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- return 0;
( G! {1 U" u ^ }/ _4 d - }
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- int main()* U/ q, G; ~6 I1 \
- {
4 ]/ J' h" p! r3 ? R - char c;
7 f/ u) {) k7 Z N3 X: g, E) H - int i, macs[6];
, |0 c* Y! \! r) e - unsigned char mac[6];0 _3 a: ]8 p& n1 k% Z$ M" u
- unsigned char stbid[256];
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7 t1 X7 G5 B$ F% y5 p8 y- if (readparam(mac, stbid) < 0)
2 `/ |$ u, l: i1 n - return 1;
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3 f: e' `" P, P& V( Y( q- printf("Current parameters: \n");( b' O, J2 a% M" }: _6 ?, f; K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 M) {8 C% o, R, b: ^6 @
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& a3 y$ o: x( I! N# v( E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 K8 F2 D+ n' ?, G- a - printf("Input MAC error\n");- f5 h+ P. `7 t3 X& a
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
. W8 h6 z: j! N9 k$ {; H- N3 O# ]" t* B - printf("\nPlease input new STBID: ");( A: g5 ?+ X1 n! R
- scanf("%s", stbid);
2 r1 g* M) z0 [6 e4 X - if (strlen(stbid) != 18) {# g; S. P; `2 R; c U. Z5 }2 c
- printf("Invalid stbid\n");
! F& [' G: n% C2 a7 M - return 1;) ~. H8 @! |! K0 f) n( h
- }
6 L$ X# J* T4 _0 J - printf("\nNew parameters: \n");
9 H1 }! t m6 e j: @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! r) G( v, Q8 Y1 ?
- printf(" STBID: %s\n", stbid);
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- K( j& G* e X1 d- printf("\nDo you want to change paramemters? (y/N) ");
8 _; \1 ~& e; ~ ]; n$ K3 @ - for (;;) {
8 n) ^( i' G8 ^+ x* W2 ]- o, { - c = getchar();) j: V% @. y" z! w5 o! I
- if (c == 'y' || c == 'Y')) O! u7 @: L/ v; z4 y, d" ?5 q
- break;! ~. W: M' @" ?$ Y2 R
- if (c == 'n' || c == 'N') {
3 V& D% p4 |3 [" |9 R0 T6 ] - printf("\nAborted.\n");
]3 r3 P5 B9 \/ b - return 1;- P/ S3 H, x% |
- }
, R6 C0 V' B" y, {) d# X2 | - }
1 O' x3 |1 _4 }5 W: U) F5 y$ Y - if (writeparam(mac, stbid) == 0) . H0 B1 f1 l0 }: f, |% p) {3 Q) x
- printf("Parameters changed.\n"); Z" r# \: T: X7 G' m& v, T( K
- ! T* ]) n0 U5 W
- return 0;
* e8 u# N) G) u' i - }
复制代码 |