本帖最后由 0522 于 2012-3-21 23:04 编辑 6 S: V- Z3 w& ?9 c$ L* J/ i# X) @/ {
8 w0 w/ {+ k- P' \2 ?8 \! `, g$ V修改的代码早有了。到今天不会编译。& I+ V* e! Q! o2 C7 D: z" I- O
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 @/ P5 s+ S; q/ Y0 J- H
- #include <malloc.h>
y+ ~* [+ U. j6 M9 ^ - #include <sys/types.h>
6 k2 ^8 C8 D1 ?- B* x - #include <sys/stat.h>
6 m0 l; E I" J) o" V4 U" f - #include <sys/ioctl.h>
" C4 c+ W7 m$ } - #include <stdio.h>
0 k# G1 ?9 z# \9 l& } - #include <string.h>: _% l6 ^) I- D( U
- 9 ?5 T- t6 s, D- ? s
- typedef struct {, R0 j& h; a$ G1 X2 s
- unsigned int e2prom_cmd_sub_addr;& e6 l' y0 {9 {, O
- unsigned int sub_addr_count;
3 B" N1 o3 R+ F' t H" F* q9 x7 @ - unsigned char* e2prom_cmd_data;
' o( k1 }+ i* v- X8 r+ z' _ - unsigned int data_count;
1 X. x: {( C6 J) x - } e2prom_s_cmd;
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Y3 w* [' N+ P3 Y7 L- #define E2PROM_CMD_READ 1
4 z' L4 [* A/ N; s - #define E2PROM_CMD_WRITE 2
& t$ I4 O Y4 ~ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- M: N5 N: r2 E/ P2 J3 O; N0 A
- - ~4 W6 [- S- U! W" U
- static int readparam(unsigned char *mac, unsigned char *stbid)
; ]1 K) |; n9 L - {- J S; Y$ F1 J }: ?
- int fd, ret;
8 H, P* W1 T3 o - e2prom_s_cmd arg;
5 @/ Y8 l- R' x I& s2 r; E! T - unsigned char buf[0x18];: [+ |. {! B( n) Z( a. h
- . `. U: J$ v2 y
- fd = open(E2PROM_DEVICE, O_RDWR);( e8 r3 j% C# S) c
- if (fd < 0) {
4 h' X0 l5 V0 A7 [ - printf("Device %s open error.\n", E2PROM_DEVICE);
0 S, t& k5 h+ w0 j7 h - return -1;3 D7 X7 H4 y J8 L
- }
# E) G9 _. I0 P' X - arg.sub_addr_count = 2;# N ^! w! F0 g- a5 _
- arg.data_count = 0x18;9 U$ A: Y4 S' y( Z/ l- s" { W" D
- arg.e2prom_cmd_sub_addr = 0x290;
Q! e3 c/ m* X - arg.e2prom_cmd_data = buf;
3 j% N1 [! ?, k5 s- M. n - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# ^2 X& f5 e* d5 u8 i; R - if (ret != 0) {& U! Q/ v q% e3 E; n
- printf("Device %s read error.\n", E2PROM_DEVICE);& y9 K+ b' y( C. `8 J4 ]+ Z) u
- return -1;
1 S, s, k1 Q# e+ ~ - }$ o( |* [- S: y
- memcpy(mac, buf, 6);2 V0 J! J8 k8 ?3 e( c
- memcpy(stbid, &buf[6], 18);
3 H$ w4 T6 N' l - stbid[18] = '\0';
& e# x0 L/ Q/ h6 A$ D5 C
1 _+ U) T" z5 l) ]9 g8 _- return 0;
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! Q9 J: d( ~. y+ H" X5 S, G- static int writeparam(unsigned char *mac, unsigned char *stbid). d* E0 e a3 i& U! S2 g) g3 m
- {
( ~3 r% Z- w* k2 _ y& U0 ` - int fd, ret;
$ E( }' V+ J# m# ]8 C/ ? - e2prom_s_cmd arg;
C2 A" m A7 z, M& P - unsigned char buf[0x18];! K4 ^( d3 r# o2 H6 P" v4 ~
( O( X0 B& X5 k Z/ e5 D- memcpy(buf, mac, 6);, Q3 _) d% ]7 k J1 w/ I6 H8 S" P& Z: h
- memcpy(&buf[6], stbid, 18);
( ]* o! z. N9 {6 o! ]' D _9 _9 R - fd = open(E2PROM_DEVICE, O_RDWR);6 w7 X! z$ l/ l1 D/ G/ L6 }5 Y
- if (fd < 0) {: m J% W6 n9 D Y+ i$ \- o/ }- e$ F
- printf("Device %s open error.\n", E2PROM_DEVICE);
; p" B3 h* i8 l0 B9 i D. `' g: L w - return -1;% d. t+ P) T4 Q4 A2 R- {
- }# p" _; W5 F; H6 n, G; h
- arg.sub_addr_count = 2;! @. K" L: I( ~1 @7 Y
- arg.data_count = 0x18;
& ]; V) C! a+ h# {! ~* F5 K - arg.e2prom_cmd_sub_addr = 0x290;
1 E b% E- \ l- L0 n - arg.e2prom_cmd_data = buf;
0 i2 x) M7 t0 `7 \. P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 t6 Z, L' x, B
- if (ret != 0) {
5 d; k+ o- n5 q( V) W$ c - printf("Device %s write error.\n", E2PROM_DEVICE);
& p/ i/ @% K H# ?4 z9 H2 s# Y - return -1;# w0 J- K8 h8 S1 t+ {
- }
3 V6 R4 N5 x/ S( O
0 Q( B8 ^% [( b% A$ u- return 0;/ F' |; E& T8 l2 u8 q
- }
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' T l3 Q8 s0 F( b: V9 j- int main()
- N0 E5 q5 n: y: F1 }" W - {9 q6 c/ z6 H4 q( K5 u' v
- char c;$ z& e+ I7 E, f9 q
- int i, macs[6];0 b& x+ q9 J. k' P' E& @* f t& M
- unsigned char mac[6];
; L+ i( e A/ C( U/ l* i9 M6 a - unsigned char stbid[256];- A! P/ H4 h" ?; ]
. c) @& j |' p1 r) c- c7 r9 b- if (readparam(mac, stbid) < 0)
5 m6 y/ K0 v5 w q3 k9 \6 a% Y - return 1;& z1 j$ m' d0 |7 Q
- 7 \+ x" ]8 G# i1 h) a- ] @3 h: v4 z
- printf("Current parameters: \n");4 Z" G1 ^" R5 J" z) v& H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. j, \# _6 h3 E) \3 G; g9 n# x) U' W) g3 ~
- printf(" STBID: %s\n", stbid);
* W, d' Z' P/ K$ P/ Y -
; y9 S( Q. J l: B* C9 _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( s, W3 v- `- _9 W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 {" l* s( [* l' d8 w( Q
- printf("Input MAC error\n");
2 F0 e0 T5 l* }) }" K; ` k+ X( J - return 1;" Q6 t2 b! c' t0 `
- }
2 k# P- t) c, } K - for (i=0; i<6; i++)mac[i] = macs[i];: {6 K& _/ _- N" N8 a6 }1 X) U
- printf("\nPlease input new STBID: "); e3 S1 t* L7 U4 t+ ~! s3 ?
- scanf("%s", stbid);
- C! y. y, f; E6 b - if (strlen(stbid) != 18) {
" k o3 k$ p# m - printf("Invalid stbid\n");
, Y+ f% `% d7 ` - return 1;
5 f: Q" `3 Q) i' {9 h+ L* u0 N - }
0 C9 z; B/ c# p M: P; {; _+ n; v/ f - printf("\nNew parameters: \n");& E W' m; }' l" f" i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( `0 m9 I% ~8 g - printf(" STBID: %s\n", stbid);. G& t" P- t9 K1 m1 {9 J1 {
7 H( F* v& d! S- O( u2 |$ a- printf("\nDo you want to change paramemters? (y/N) ");
0 X( W* p( C4 R6 ^0 x - for (;;) {% v# v4 e8 i- `
- c = getchar();
1 {. S# ?3 e8 D- b - if (c == 'y' || c == 'Y')
: [; Y: G: F* [+ f - break;4 o8 S! j, u. u- a$ @0 h3 j' K* X
- if (c == 'n' || c == 'N') {
4 x% N& Y) B% w) j - printf("\nAborted.\n");
1 i5 M. l, I) Y5 p" ?0 M# _ - return 1;5 A* o& x. w8 X$ z' ^/ G
- }
" \) o4 Y$ f; L( {5 m - }% p( s$ g3 l$ o2 H# F& Z8 b
- if (writeparam(mac, stbid) == 0) & i. U8 H7 F2 V e$ H
- printf("Parameters changed.\n");2 e7 T! i% J; Q" q' H! T
- 7 u0 U# h' _" R9 H( N* c
- return 0;9 x! g7 S( O# ~
- }
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