本帖最后由 0522 于 2012-3-21 23:04 编辑 7 H& x. z r% A3 O4 Z$ R5 ?' ^
x! L9 c3 r6 Y9 ?7 u. a修改的代码早有了。到今天不会编译。
; ~* H! x5 b: o7 W. i3 [4 Z/ J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: J; M6 M1 v; K- y - #include <malloc.h>
( q! C6 n# ~/ l8 o0 B i4 V$ B& S2 j9 i - #include <sys/types.h>* a8 k' C8 @, D+ i
- #include <sys/stat.h>
& Y* u/ ^3 y4 u( {8 c. v - #include <sys/ioctl.h>
2 D: y( @2 K" D0 A1 z7 H& _ - #include <stdio.h># p9 e! m" r0 n- B7 w
- #include <string.h>
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- typedef struct {2 b$ F, `% K# N( ]$ Y( b: S! n
- unsigned int e2prom_cmd_sub_addr;
/ y! V1 e. z/ H" N4 ?% z0 g% e - unsigned int sub_addr_count;
2 ]% ?+ H9 a% e" f8 V6 H - unsigned char* e2prom_cmd_data;
8 L( G) h; g% F4 y - unsigned int data_count;; ]$ G+ T2 I: |) K
- } e2prom_s_cmd;( G0 |- X: x5 V, r, [
- : I1 o8 ?: d D8 V- E; }% R
- #define E2PROM_CMD_READ 1$ {/ w" `, H' o1 g
- #define E2PROM_CMD_WRITE 2
" }- i3 v, u& }8 _+ p. \. t) { - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 [# d- I( n0 v' X
- 7 z9 ]2 {8 V2 M. E+ ]
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; q7 N: l2 x4 C; p3 \% S0 g
- e2prom_s_cmd arg; ?1 B. I* T# C' W/ m
- unsigned char buf[0x18]; K/ H0 O F; o6 R
9 ]2 Q9 |2 `" I) h1 Z4 a- fd = open(E2PROM_DEVICE, O_RDWR);1 w- U O% O) Y1 o
- if (fd < 0) {
. G U) ~( D) q) C$ ? - printf("Device %s open error.\n", E2PROM_DEVICE);! I- f& [9 k% ~4 L( E
- return -1;
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- arg.sub_addr_count = 2;! k1 \* Y4 v5 h2 L4 D0 ?& e# p
- arg.data_count = 0x18;# U1 T) E5 R$ x- y6 I$ n
- arg.e2prom_cmd_sub_addr = 0x290;
9 @. W) Z- [! Y4 U/ B! `5 O - arg.e2prom_cmd_data = buf;
* D% O7 [/ ?. j; {) A M9 ^# | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
7 B A* w# N- s( U+ \/ } - if (ret != 0) {$ ~+ E; k/ D. t9 V
- printf("Device %s read error.\n", E2PROM_DEVICE);$ y3 `0 i" ?# t$ `) x% z+ X
- return -1;/ d! A6 y# X6 @. X+ _7 h
- }% Q6 \: d# d: ]0 H
- memcpy(mac, buf, 6);
4 O! e, N- o! a# n" m - memcpy(stbid, &buf[6], 18);
8 |4 G- @& j+ ?6 K% {8 s - stbid[18] = '\0';
+ E, f2 a0 L2 \( j# z - # `$ A8 H& j4 W2 ?* Q' I
- return 0;$ \; L6 L- ^, b
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
8 T8 b; _" P4 [- K k2 o+ l - e2prom_s_cmd arg;% _$ Y* `) \2 F- u
- unsigned char buf[0x18];
- O5 G# s; _' G6 R0 I7 b" |) Z - 1 {" v& j! c2 r z" k
- memcpy(buf, mac, 6);7 O0 r4 R6 [, X6 E$ E. D
- memcpy(&buf[6], stbid, 18);
$ I f0 d& {! H3 E& q- W - fd = open(E2PROM_DEVICE, O_RDWR);
- ]* \0 P1 z" I @* v5 }0 ^8 u; ` - if (fd < 0) {* m. v5 K% `0 N1 z$ N
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 I8 c/ n7 G( \7 R; L: _. l - return -1;! Y$ n1 U5 f: m) c
- }
& v( m$ v! [' _9 \2 H, A - arg.sub_addr_count = 2;+ s3 R% B7 y9 D+ S' Q
- arg.data_count = 0x18;' E; b: N: B `4 j' s! {
- arg.e2prom_cmd_sub_addr = 0x290;
! m8 ~+ z N/ M5 U7 i* ]0 e. R3 e - arg.e2prom_cmd_data = buf;
' t3 X' j7 P# i, e0 ]6 I) {: i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 B9 h+ @; V* A - if (ret != 0) {
j& n4 k5 J% M( U& U( }) [ - printf("Device %s write error.\n", E2PROM_DEVICE);3 s, ^7 f: k" `; [. U
- return -1;
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4 ?; U, d. o- [9 [: H9 K. A$ D- return 0;4 H$ U% h' n. U1 k- U7 G8 y2 k/ f
- }
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- int main()
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- char c;
0 q2 c: k4 P, h S& R - int i, macs[6];
( e+ L- N# F5 n8 Q% _7 _/ X- n5 J - unsigned char mac[6];
`. c2 @$ H% X" n5 F - unsigned char stbid[256];
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Q# {# x6 R9 {- if (readparam(mac, stbid) < 0)7 e2 y$ M7 M9 J$ L8 r6 r
- return 1;
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- printf("Current parameters: \n");
# g. u6 b0 b9 U$ { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. i8 D7 x9 w+ K1 [- A
- printf(" STBID: %s\n", stbid);8 y# m: e: s, J
- $ U5 g @$ w- J W0 H( ]! {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ G- F y5 f" w E$ [7 _ ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" M" ]! p* O p% s3 Q% _
- printf("Input MAC error\n");
# n5 M% t' s5 }6 X/ m - return 1;% h* Q. j, y6 o! U$ ~
- }
. W Y; x: w1 x- ?! D$ S - for (i=0; i<6; i++)mac[i] = macs[i];
' x6 O$ N* `9 b Q: |" H! C3 q - printf("\nPlease input new STBID: ");# M7 l0 W' Q1 R: u- V- z0 g5 {
- scanf("%s", stbid);# K) U# f* y, \$ B1 n; ^0 c3 N# k
- if (strlen(stbid) != 18) {, z% l) ~% G" @- r9 n- }! ~; r
- printf("Invalid stbid\n");
+ X, M- k( s1 ~+ t - return 1;: j, l1 H0 Z1 ?& G4 G5 L
- }
0 }, Z" F7 D8 [- I$ `7 O4 B; G% I - printf("\nNew parameters: \n");, f) w- O1 N/ C/ x Y3 `/ w3 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 o) K% A# S; F8 ]3 T' I/ T
- printf(" STBID: %s\n", stbid);
4 @8 O& x5 o1 D1 E% f; v+ }
% r& L8 |- b( D- printf("\nDo you want to change paramemters? (y/N) ");
: d9 }3 A% w$ A) t+ u6 Q - for (;;) {' p9 ~& E- }, I) B5 N# X! i
- c = getchar();; ?1 `7 V! Y E0 T
- if (c == 'y' || c == 'Y')
. n$ a' ?: g0 G9 R$ T" { - break;7 Q' X1 c2 n- g* e
- if (c == 'n' || c == 'N') {
. B( x; J1 Z: L+ a* p8 u - printf("\nAborted.\n");
; w& n1 C* t* r - return 1;& ^7 x S2 ^+ C5 J9 |, |1 R
- }
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- if (writeparam(mac, stbid) == 0)
: [3 @) E5 v, y - printf("Parameters changed.\n");" d( p3 T, h8 j* R$ x) a
4 A+ \2 C( W0 ^5 o, t3 b2 w: G& R- return 0;! {- Q7 o! v- q7 ?+ D
- }
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