本帖最后由 0522 于 2012-3-21 23:04 编辑 3 g7 Z* b6 q6 C$ R" A, v+ z
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修改的代码早有了。到今天不会编译。/ q" t1 |7 G3 }5 q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& s% w X% H& T D. z* } - #include <malloc.h># i: r6 z& Y+ i3 `/ G! a
- #include <sys/types.h>
1 N B- [0 R: D# K - #include <sys/stat.h>- ~1 \1 }2 h6 ~. |0 C" A
- #include <sys/ioctl.h>
7 h5 D' A5 C6 c+ x | - #include <stdio.h>! [& ]. M- K5 i4 {4 w3 ~- P
- #include <string.h>
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- typedef struct {$ c+ P1 c6 j5 A( L; w% Z* _' ^* H, o
- unsigned int e2prom_cmd_sub_addr;) W2 G2 C7 z) [; a
- unsigned int sub_addr_count;* j$ @. \8 P* ?( M9 D
- unsigned char* e2prom_cmd_data;
7 I2 h* M4 @9 Y V& n9 f! [ - unsigned int data_count;6 M4 S) U/ a: x( X5 j$ I2 {$ x2 w! ]9 o
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
( P5 I! y3 r' s$ H - #define E2PROM_CMD_WRITE 2. w1 t5 ^3 W: `2 U N% }$ V% K
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)& E; q+ h$ ^8 n# r$ t
- {
& _9 J3 l7 m7 ~9 E - int fd, ret;" Y0 f" O$ B& |' f7 D( k, p- U, X6 O
- e2prom_s_cmd arg;) L/ m ~! o- }+ r- s6 |
- unsigned char buf[0x18];" G8 f# `2 @8 @+ M- b! e
, K8 H. E, v6 Q6 `" x- fd = open(E2PROM_DEVICE, O_RDWR);
2 E$ m4 u1 k! y - if (fd < 0) {- I) _" M2 ~4 S& C3 m
- printf("Device %s open error.\n", E2PROM_DEVICE);4 d5 m! ?) b; ?. D {
- return -1;' R3 w! A7 \" R* l3 P$ b3 O
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- arg.sub_addr_count = 2;
9 r" R/ [1 B" e7 _" z0 t4 F1 ~1 y - arg.data_count = 0x18;
0 M: h g3 t8 y - arg.e2prom_cmd_sub_addr = 0x290;
' A! {* l0 C- F8 f - arg.e2prom_cmd_data = buf;0 s2 e f5 ~. `$ l& w
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 K% x1 l9 I- c4 U& p2 P - if (ret != 0) {
/ X1 a) i5 V$ B* |3 Z" i - printf("Device %s read error.\n", E2PROM_DEVICE);
9 h/ Z: }" d* o. N1 L* u. E - return -1;0 e% X' F( p4 n. q6 y; z
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- memcpy(mac, buf, 6);" l9 w1 ~3 M9 W0 X( y! p2 |
- memcpy(stbid, &buf[6], 18);$ o* e* [3 O- L* `
- stbid[18] = '\0';
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- return 0;, @) O; w6 |( x- r0 M9 c
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)* G; s$ x7 P1 x7 B k
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- int fd, ret;
& R; d, d) ~2 h2 a" Y - e2prom_s_cmd arg;
7 ~! L( k( a9 j2 C - unsigned char buf[0x18];! Z- C; V0 b9 @& ^- r, R
0 ~$ r0 ^( K: q: [- memcpy(buf, mac, 6);
5 ]; t7 ?' V) A - memcpy(&buf[6], stbid, 18);
0 b# b, @9 F! B) a& O0 g - fd = open(E2PROM_DEVICE, O_RDWR);
+ i% j- e8 M, M - if (fd < 0) {* K [, h3 F* S* X# v
- printf("Device %s open error.\n", E2PROM_DEVICE);+ c+ I4 K* X1 Q0 P9 w; B0 @* Y
- return -1;. \9 r7 j# K8 P5 J' R
- }
8 R9 L0 m2 C1 |4 q ^% U - arg.sub_addr_count = 2;
1 ^9 N$ P, w" a7 @+ r - arg.data_count = 0x18;4 K5 V4 J' J, t9 w( Y& w/ g- d
- arg.e2prom_cmd_sub_addr = 0x290;
- s9 o; N4 h- T ] - arg.e2prom_cmd_data = buf;9 a) I, i; H2 N& V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, w( {. V) a3 _9 k2 y" r' h
- if (ret != 0) {
$ b) f( e' Q8 d! g% | - printf("Device %s write error.\n", E2PROM_DEVICE);
. j* k0 w7 Q8 G - return -1;
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* s( f1 x; |+ d5 ?2 X. Y2 |- return 0;$ V; j$ D; B/ v" L6 \
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& y3 q: c% _* g% p, i" u- int main()
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- char c;" c$ n4 C* m! ^( H3 `; q
- int i, macs[6];6 r' ?9 i( m8 h( O
- unsigned char mac[6];
& E, |, e# y- d5 c& u - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)6 ?! r1 M6 D. } v, x5 x
- return 1;
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- printf("Current parameters: \n");$ S+ X; t8 P1 T4 U5 r) \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 B* ^: X; E: h8 T
- printf(" STBID: %s\n", stbid);% y6 e3 ^ Z; K8 z1 I7 |0 z8 n0 n
- * ^. B G- s9 ]
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% s* H; i" s; J- [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, R2 c& P- n: B8 {
- printf("Input MAC error\n"); u& Y2 R+ t: o |
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];& Q$ P% [( Q j/ a2 Z6 m# ^
- printf("\nPlease input new STBID: ");
g O7 q% N, k$ x - scanf("%s", stbid);5 v4 z( z, n" t) K3 }0 T% ~
- if (strlen(stbid) != 18) {4 `% m4 H" y, B% C
- printf("Invalid stbid\n");& W0 @1 \3 u7 n$ m
- return 1;
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- printf("\nNew parameters: \n");
% ]( F( J; b( c8 K/ U9 y$ Z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) Y5 |1 p. D( b- W! T8 p* C! ]* i5 f
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
: @9 c" H B& i6 h5 ^5 V - for (;;) {
4 Y+ C) x& U$ D4 | - c = getchar();
i; Q" g" ^0 W7 |% p3 ]8 ?& R - if (c == 'y' || c == 'Y')* e$ ^1 Y5 u3 i, l9 g
- break;$ z6 t3 ?( L! W
- if (c == 'n' || c == 'N') {
- C+ L5 `2 i" L - printf("\nAborted.\n");
. X- F; i7 D( B: O; ]) Y! o& | - return 1;* C [$ Q4 T' N0 r
- }; s: t, n. Q7 Y3 J7 c7 f
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- if (writeparam(mac, stbid) == 0)
7 h# S ?6 D2 Z+ g+ f1 P1 Z - printf("Parameters changed.\n");
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: C9 q6 G" i; q1 t( S- return 0;
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