本帖最后由 0522 于 2012-3-21 23:04 编辑 ' y3 E/ F+ ~. [! D
% E/ ~6 U0 j! N `+ h' q( H修改的代码早有了。到今天不会编译。
2 V! `1 s/ Y( d3 v: W( O需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. w7 u0 A; o( N6 ~( U# a4 v - #include <malloc.h>
+ t4 {- i0 z( N$ K K - #include <sys/types.h>
8 H. Q* p! m# M - #include <sys/stat.h>1 Q/ B% r* F- I* x" n
- #include <sys/ioctl.h>1 g) d3 O& r2 I0 F0 `9 n4 w
- #include <stdio.h>8 B: K2 q T+ s. z8 S+ ^9 _8 M
- #include <string.h>4 i0 ~ R& p' n% S: y. F
- % V) }$ y c" R6 A- E( Y/ c
- typedef struct {/ H% v s7 w f$ \1 i1 }2 q5 \
- unsigned int e2prom_cmd_sub_addr;
' `1 x {9 Q. _0 K i6 V - unsigned int sub_addr_count;
* w1 R# F. P% n# A1 e* t" u& ?$ Z - unsigned char* e2prom_cmd_data;
# h1 z# a6 Z1 @+ V; Q - unsigned int data_count;
- W; q8 Q) ]$ k c - } e2prom_s_cmd;9 v0 m' s/ h& i* k
7 ]# h$ ], x, f- #define E2PROM_CMD_READ 1
! b W- Q. \3 ]( @3 n P% \ - #define E2PROM_CMD_WRITE 2
/ r7 ^% p5 A& Z6 g - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 U0 x) F; V2 ]& v7 o$ h; `7 g
- 2 L- ]& W( c8 L3 `' ^
- static int readparam(unsigned char *mac, unsigned char *stbid)' ^( l! Z$ Z. K2 [' ~
- {
& v! H! r8 d! {+ D: I2 B8 M - int fd, ret;
g0 f& i2 \6 y8 _$ d% k1 | - e2prom_s_cmd arg;/ u1 Q8 I+ x H$ M7 W, L
- unsigned char buf[0x18];
* o( G7 Q7 M% N5 j
. T/ ?2 o3 `) k( t3 w( ?- fd = open(E2PROM_DEVICE, O_RDWR);
+ R; z4 G h6 o. L; A - if (fd < 0) {+ S- F. h* V4 y- X) J
- printf("Device %s open error.\n", E2PROM_DEVICE);* @ _& z' G* p0 {
- return -1;) E s( Q; H# Y4 N5 H+ R- w E2 X
- }
* [2 M. }, y/ ~" @& s - arg.sub_addr_count = 2;
6 K n: d/ C, i) x, ~) z5 u, u6 [9 F - arg.data_count = 0x18;
8 j) Y- \, I3 C" p - arg.e2prom_cmd_sub_addr = 0x290;
, i) J" r" W( A: ?7 c/ U4 ` - arg.e2prom_cmd_data = buf;. @. q$ X- W; K2 P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ X; t0 \% ]- D6 r# K! j
- if (ret != 0) {
0 \! h3 u9 _1 f. b5 I - printf("Device %s read error.\n", E2PROM_DEVICE);
$ B- h% E$ `9 z. ]/ ?& k - return -1;
# |: N) ]2 v5 @1 c/ C+ O+ V - }) `! z# }7 @7 K% [
- memcpy(mac, buf, 6);" T( u4 O+ O% G1 X$ H3 n l7 t
- memcpy(stbid, &buf[6], 18);
9 i" z* C6 F- L& e P - stbid[18] = '\0';- z3 z. Z9 L8 t+ K
- ; n0 N: ]& t3 K0 B9 n- V
- return 0;/ f g2 N/ v! z7 P2 Z/ o
- }; K5 I/ Y1 |3 T2 i
) @) ?# [/ b6 Y) s0 p% c- static int writeparam(unsigned char *mac, unsigned char *stbid)+ K# V- a! _! q9 n) P
- {8 _( G# i& F1 z8 A5 _1 H
- int fd, ret;
# @; o7 r& E: U% ~ - e2prom_s_cmd arg;2 ?9 r7 ~$ k; r4 E# r0 r
- unsigned char buf[0x18];
9 @# H9 {8 K; F3 I0 c+ }8 s& @ - 6 }* F% s0 t- d' |$ H1 o% {! ]
- memcpy(buf, mac, 6);
: |1 @0 A7 \% |9 {6 n$ z/ ^1 G: n - memcpy(&buf[6], stbid, 18);6 s/ b8 M# x, b) c8 Q! \* l+ M# a6 @
- fd = open(E2PROM_DEVICE, O_RDWR);
7 M7 k2 v; c. W* e - if (fd < 0) {. ?: V9 V/ w: p: J- M
- printf("Device %s open error.\n", E2PROM_DEVICE);
: q# _$ b2 X, c* K) ]' ^# T - return -1;" s5 A6 m! c: S3 t+ R
- }
9 Q/ J/ p" _6 _0 S - arg.sub_addr_count = 2;
* w( t+ F; C/ ^4 Z; l; g - arg.data_count = 0x18;" S; r8 ` Q4 b
- arg.e2prom_cmd_sub_addr = 0x290;
2 e/ _" I: \6 y; A0 E - arg.e2prom_cmd_data = buf;
4 t- ^$ |, ~8 w/ M8 y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, T, I% W( F9 f1 {1 Z6 u, Q - if (ret != 0) {
9 u- b* l* P' p6 T* b - printf("Device %s write error.\n", E2PROM_DEVICE);
2 i3 X8 z: t& f& {: G; v: J) b - return -1;
3 H" N7 q( f. D5 ~' A5 K - }
7 p9 }" e2 N) A1 [- i! M - $ R( H3 a8 X1 H& z' [( G T$ P" ]0 m. |
- return 0;4 w* g! s3 B m H; v5 x
- }
, F, n* B Z) ?% N- d - : }% q' d. ^, i
- int main()
- n7 U1 I8 w G+ b3 e7 U; j - {- P8 N A: g0 Q! T) i
- char c;$ w: q: B. x6 ` {! v
- int i, macs[6];
& ^+ Y: [1 w: V3 q# q - unsigned char mac[6];
! {6 {. C; w) I" G6 g$ I - unsigned char stbid[256];
' s! v4 t: v7 [6 D: L - . ]2 X2 Y0 G" A1 \ v
- if (readparam(mac, stbid) < 0)" E# i) U( l# U1 C, F( }* _
- return 1;. y5 j9 L: \, @) B
, q3 y- p ]2 u. N; m- x- printf("Current parameters: \n");
, g4 c8 G1 Q. L% [& j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( \1 P* U r9 @7 ^" I4 Q
- printf(" STBID: %s\n", stbid);
$ E' s! x3 E. e6 l& l -
- ~" n5 Q. N4 F) z$ p# U - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- T2 O5 S1 T. p3 c" H$ h7 c
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) ?& _/ ?! a8 P2 E- I: e* i
- printf("Input MAC error\n");
9 v' r( t$ o8 O8 ^ - return 1;
4 X0 V2 m$ t0 w: Y% f' { - }
, R: W/ G( j3 N' B6 T! n! i" H - for (i=0; i<6; i++)mac[i] = macs[i];
( s8 {" E: f2 ~- s5 B - printf("\nPlease input new STBID: ");
( O5 h8 N! z$ X2 ]) t! c - scanf("%s", stbid);" V) }* V8 I8 F$ V, L* T
- if (strlen(stbid) != 18) {6 P+ u( \+ c9 a5 K0 H7 b8 R0 @
- printf("Invalid stbid\n");
$ S1 T7 e7 [- o5 _4 e - return 1;) G3 P/ B7 d/ ~
- }
7 u l: W+ M$ S5 N: V5 Q - printf("\nNew parameters: \n");4 F, w' w: \/ o3 q5 d7 |/ Q# O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) ], T1 M/ _' @+ W, w1 j - printf(" STBID: %s\n", stbid);3 p2 w; R" Z1 f" N1 |
* F. Z3 y( e. ^- i0 h9 L) Z- printf("\nDo you want to change paramemters? (y/N) ");
! F# F. x' V Y5 B4 ^1 \) i - for (;;) {
* @1 P$ X. f0 |' h! ` - c = getchar();
4 O3 W/ j( f/ ?% T) f: ], \; m - if (c == 'y' || c == 'Y')* v. {) N9 a: d6 D; r# g2 q; Y
- break;
- Q; w' H. }. T4 ^( ^" W - if (c == 'n' || c == 'N') {, B1 u# F3 o3 g
- printf("\nAborted.\n");/ p% G* x' F7 I2 V* i8 p
- return 1;
0 y; s: ?- I. D - }
- K! Q {' A* d. f0 j4 c - }
9 r- X1 C- B ?0 D7 d9 e - if (writeparam(mac, stbid) == 0)
! c3 R8 g I+ Q - printf("Parameters changed.\n");
) x$ s- i' f8 _; u - ) f3 K" @, m1 }2 G, T( n0 u! G
- return 0;9 W: m5 T. \# j9 \ |: P
- }
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