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。
1 r+ M9 K r; F( ~1 \$ z+ w需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 x' S: v' j5 _# D! H - #include <malloc.h>6 r# X; E# I1 ~6 {* |
- #include <sys/types.h>
( v5 ^* K& A. j - #include <sys/stat.h>/ v4 D2 V3 g4 h/ K* i5 B$ w6 w4 k' r
- #include <sys/ioctl.h>
) y( q9 o+ G/ k( G3 b2 K3 [. ]$ f% g - #include <stdio.h>
; r' F9 r0 I3 m$ Z0 a" ^# g/ E8 C - #include <string.h>; t7 e) ?# v" y$ d- t ~* G
* @9 \' A6 M, y. J0 N& m4 i- S- typedef struct {
Z' ?% w, t( t( ?. T0 O+ n - unsigned int e2prom_cmd_sub_addr;
6 e# g5 E6 s% d# ~ - unsigned int sub_addr_count;6 w7 B5 S7 u( ^6 P8 N8 u6 r; X
- unsigned char* e2prom_cmd_data;, t+ y C2 H" e: O" @6 ?
- unsigned int data_count;2 F! r. Q5 M# c2 ?* H
- } e2prom_s_cmd;
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9 E" T$ Q' [9 B! O9 N, k, `! ^- #define E2PROM_CMD_READ 1. t" a: i/ h7 |2 n6 p: l' f
- #define E2PROM_CMD_WRITE 2
2 t3 h. x# V% V) u - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! g" |$ B0 B# Q
/ z/ @ n( m9 I0 z- z, K( s- static int readparam(unsigned char *mac, unsigned char *stbid)" Z$ L3 n& \2 v8 ~/ o; K9 G1 z
- {
; \) A: Y5 J% t, M( O( k" F - int fd, ret;3 g3 v+ Z# _8 v/ b( y
- e2prom_s_cmd arg;
' Z R" L X0 o; E, j - unsigned char buf[0x18];4 K$ d. E! N4 j
# D' h" t$ k& Y+ s" {% N- fd = open(E2PROM_DEVICE, O_RDWR);
7 Y9 r7 \/ a, U; i1 } - if (fd < 0) {' x; U0 D. g0 O* Z0 U# e
- printf("Device %s open error.\n", E2PROM_DEVICE);( [1 H+ h' V+ [
- return -1;# [7 ?% |5 w$ s6 X8 V
- }
3 T& z. q* j; S1 D; o- T. ^) p9 q - arg.sub_addr_count = 2;% u, N" W. N& p V7 H9 R
- arg.data_count = 0x18;
! f- Z2 X/ e" s: t E6 O - arg.e2prom_cmd_sub_addr = 0x290;" T- t1 F, n+ n i) r
- arg.e2prom_cmd_data = buf;
! J7 G) _; {6 A% Y: h2 U2 R6 w - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 I ^! `2 S5 ?7 A; ^$ @7 L
- if (ret != 0) {
& W3 c* k0 i6 Q# }; O0 w% W - printf("Device %s read error.\n", E2PROM_DEVICE);- q2 Y2 F" a$ l! i
- return -1;
. m. J5 h% B! J: ?5 R, p. j* w - }
5 \) A3 K; \5 f6 Y/ H% F0 \ - memcpy(mac, buf, 6);) L: S9 N: R: d5 G0 u
- memcpy(stbid, &buf[6], 18);
9 |3 t1 h9 }" A& q) C - stbid[18] = '\0';7 P7 S( |' G& M# h# J6 z
& c5 X) Y" @# K f- return 0;
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3 t: ?# \9 X$ j8 w- static int writeparam(unsigned char *mac, unsigned char *stbid)$ L2 @* `" v8 ]. _3 ~ A9 v5 A
- {1 Q9 q- i& \9 B" N+ e" }: b) l* b
- int fd, ret;1 Y/ ^2 [* U, X2 v L7 U5 n6 V8 P( J
- e2prom_s_cmd arg;3 u$ F6 W+ u9 `* Z
- unsigned char buf[0x18];
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, ?7 h: s" L1 t4 z) Q& c; @- memcpy(buf, mac, 6);
) n, L, {: H& L* ]1 v. n - memcpy(&buf[6], stbid, 18);) n& S& b8 I8 \
- fd = open(E2PROM_DEVICE, O_RDWR);
9 K. Y' ]: X, R+ I - if (fd < 0) {2 | z; k& _9 Q. Z8 a
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 b$ S2 C! K8 ^ - return -1;7 g. ^0 w# E2 O2 m* i) e0 }& [( f* T
- }' d' g$ A+ m* S$ j
- arg.sub_addr_count = 2;
9 N1 w. _! M1 q2 P2 ~! w - arg.data_count = 0x18;
: D6 `9 k' M w7 K% t2 B# h+ p - arg.e2prom_cmd_sub_addr = 0x290;2 S( p! q8 e* X/ ~3 G9 q
- arg.e2prom_cmd_data = buf;
; t' ~/ |8 q% @; ] - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ @4 Z- d! Z- I* J - if (ret != 0) {
& i E- \0 T) R: Y% x1 m! Q - printf("Device %s write error.\n", E2PROM_DEVICE);
/ p8 C5 W: r/ F. ` - return -1;% g* X& o/ Q% z& c
- }
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- return 0;* Q: Y" W: P4 [% O
- }. o7 E! D+ Y9 p* i+ t# K P6 \; g
; ^' B1 k, }1 |7 D% z- D' m- int main()
4 s3 `+ K: n6 Z - {: b2 ?# Z! S l% J1 @; L: m' Y
- char c;: B: B' |# z0 C( Y( \) g3 G% j0 m ?. o+ G
- int i, macs[6];6 F) t+ v2 R' W' e
- unsigned char mac[6];+ P) `' i; k, J% W: Q) s4 ]
- unsigned char stbid[256];
; w/ W( I) b3 X. } - ! q/ f- P5 |7 B+ {% ?1 n
- if (readparam(mac, stbid) < 0)
7 Q% _2 Z' |1 K( {: T+ D - return 1;
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) A7 M } R' i! z U- printf("Current parameters: \n");
6 G7 f' i8 V( H0 o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" U5 p; Y1 ]: M8 ?+ a
- printf(" STBID: %s\n", stbid);% k' I2 J( X. p* F
-
6 z7 L$ e" P% W1 H3 l5 [& U - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- I5 @( k$ i" T4 D& w, P% X$ q- ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ r) }$ Y7 f7 X& ]' S1 Q
- printf("Input MAC error\n");
8 h! h5 [) B5 L3 I" @ - return 1;# A! p4 c7 h, k* X9 [
- }+ R( G3 J2 f2 w
- for (i=0; i<6; i++)mac[i] = macs[i];
0 p. V# p( O! U2 w - printf("\nPlease input new STBID: ");
. u6 }1 O. e: R" k7 B - scanf("%s", stbid);$ F. a' G4 w/ G) i/ I
- if (strlen(stbid) != 18) {6 h* b& n* |+ @+ J
- printf("Invalid stbid\n");" Y7 S1 D: {7 M$ w% l* ]
- return 1;
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- printf("\nNew parameters: \n");& p4 u- r; z. M t
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 g# E: P" h; f) M7 J - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
+ z$ D' e6 [+ C! D - for (;;) {
_$ W( _% j1 ?' B. ^4 h' ^9 A - c = getchar();
( v8 f, k9 L+ c$ B; j: s/ B% j! i - if (c == 'y' || c == 'Y')3 x3 e" }9 {* z+ c$ `( J6 B
- break;2 p6 l* | ?6 b
- if (c == 'n' || c == 'N') {# v8 R P3 _/ G' w# O# z' @
- printf("\nAborted.\n");. f1 E! Z- G. ^& d- J: j3 e
- return 1;* m( V; G" C4 a6 D
- }
/ [5 {1 c% O; y1 E3 G - }
; N; l- {. ?# u) R; D - if (writeparam(mac, stbid) == 0)
, l6 {$ v5 G2 p) }! y( D - printf("Parameters changed.\n");
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- return 0;
) M0 |# e' D$ f' x7 E4 ~$ G - }
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