本帖最后由 0522 于 2012-3-21 23:04 编辑 ! |, ^- g2 j' [. W9 a
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修改的代码早有了。到今天不会编译。
* t2 i9 H! M; x6 O' }0 N需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, Q& [4 O( C' X8 |' p% x& u3 q - #include <malloc.h>" T4 N1 X2 W( d: h: _3 E' |( J
- #include <sys/types.h>
/ \3 r" _, O1 O7 J* W - #include <sys/stat.h>
4 J/ |; |' s. C2 `/ ^' p6 h - #include <sys/ioctl.h>
9 e" h- g& g" i/ X4 _! i+ i; a - #include <stdio.h># y/ M% r7 j% e8 u6 T* \
- #include <string.h>/ P& j- z7 U8 d1 e1 p5 n; C
[7 O& A- q2 O# i9 S- typedef struct {0 X1 o3 {1 K0 F/ {# X. O: ?$ A
- unsigned int e2prom_cmd_sub_addr;
/ s s3 i( }3 W: n6 c - unsigned int sub_addr_count;
- E& m G2 T( J- i# I/ c$ T' i - unsigned char* e2prom_cmd_data;
5 G: r+ [' x9 D - unsigned int data_count;0 R3 `2 P& W0 _ c! m( U
- } e2prom_s_cmd;( ~7 Z8 i& g: C$ w+ l
- ) y% Q# g6 |: [7 B7 z6 Z; X. q
- #define E2PROM_CMD_READ 1
8 k2 C3 B5 \, S - #define E2PROM_CMD_WRITE 2
0 t( j, s. t8 [# g( n - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 l& H+ ^9 H4 M f9 L
1 B; q/ n) c+ _0 R! e- static int readparam(unsigned char *mac, unsigned char *stbid)! V8 r6 k2 N: k1 u
- {! }; G: h7 F* b5 I
- int fd, ret;
M& _/ m k3 h: p - e2prom_s_cmd arg;- S5 b' s: x" i! B4 u- e2 T
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" r6 e$ d$ v& x3 H( t
- if (fd < 0) {5 p4 v( i7 E* o$ X$ q# _
- printf("Device %s open error.\n", E2PROM_DEVICE);
( H! b2 @6 D f - return -1;
6 @5 D& D+ F2 X) Y4 I - }
# U3 P# ]# p7 J8 R* l) ~1 T( N - arg.sub_addr_count = 2;
0 K$ T0 R( S1 c7 Q. [5 D - arg.data_count = 0x18;
a% C- `: H9 Z& B( T" ^$ F# A - arg.e2prom_cmd_sub_addr = 0x290;0 S# P6 ~) X4 y9 W3 W
- arg.e2prom_cmd_data = buf;
6 \+ Y. m5 f% i4 ]/ N) S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# D$ Q+ w0 x" D. G - if (ret != 0) {
- E2 W) Q0 B9 [; @3 b - printf("Device %s read error.\n", E2PROM_DEVICE);; h3 q- } _3 _4 _, z
- return -1;
+ b0 p$ y& i% y: {2 U - }: F2 D2 i+ T( Y0 }5 t. U
- memcpy(mac, buf, 6);
1 _( o$ w* k1 m) O - memcpy(stbid, &buf[6], 18);2 V" b" E4 e/ z# j; ^
- stbid[18] = '\0';
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- return 0;
* \5 ?' E0 Q4 `) {8 e" t+ n - }/ x: a/ |0 i- z
6 v" V9 e+ H6 K8 W$ Q/ H- static int writeparam(unsigned char *mac, unsigned char *stbid)/ y$ t! [ C T V# C) G
- {- t: ]! } e, C; H( f' R: \* a! x4 ?
- int fd, ret;" ^% G' z' h4 b$ A2 q9 |% ~
- e2prom_s_cmd arg;
. B$ F$ t _8 M1 { I! n9 M8 @ - unsigned char buf[0x18];/ X! A$ A) z7 m2 y Y' W8 D5 ~
! f+ Y M& j/ o+ z- memcpy(buf, mac, 6);
. A9 x# @( v0 i1 v3 l+ H/ ] - memcpy(&buf[6], stbid, 18);
' V" n8 s9 }9 D - fd = open(E2PROM_DEVICE, O_RDWR);
0 q/ I* o5 ]! A. V - if (fd < 0) {
0 T9 l& e4 ?# R) o6 P - printf("Device %s open error.\n", E2PROM_DEVICE);
2 Y- F8 D+ l- }' \/ g - return -1;! o9 e% ?( ~$ Y: [% r, ]5 m0 `
- }1 H/ Y1 p8 ^1 z0 t
- arg.sub_addr_count = 2;
1 r: }! d u$ |& M8 q - arg.data_count = 0x18;, p1 y' {6 C B. D1 b: i! ]
- arg.e2prom_cmd_sub_addr = 0x290;, ?7 w+ f& F: H) y
- arg.e2prom_cmd_data = buf;
! p% V' [, {/ d1 \ n - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ n1 W A9 p" f h
- if (ret != 0) {) V Q& J0 u: e, N
- printf("Device %s write error.\n", E2PROM_DEVICE);
" ?+ _5 t1 F/ K5 K - return -1;
; @6 Q0 e9 K" u - }
4 I. f2 N5 n( j: K0 S
4 }' s; o' \9 {3 e' x! @9 Z4 d+ _- return 0;
( U2 Z* P* Y" C, A( ?: Q% h% V% V) l$ Q - }2 D7 r ~/ |- c* Z; Q- {
- ( h. x! j, c/ R/ H; w" X, \
- int main()
. g' w) F! u, w - {
& b, `* R+ w, F' O+ w - char c;7 r {5 t1 T6 g4 L, Z9 D% `+ W
- int i, macs[6];
; e" ?1 \- z1 v- K- w$ m - unsigned char mac[6];
! Q. c( I& ]* E- F. S) I$ q4 b% b - unsigned char stbid[256];
: E( |/ v/ [+ S) g - - ^1 m4 R3 n! T5 N
- if (readparam(mac, stbid) < 0)4 I! }* i; o) l! z) c9 h! y/ u
- return 1;
% j( Q& K, ^$ c+ }+ V
! N2 f* g( o: F3 x: H6 h- printf("Current parameters: \n");
( ^* r+ i! F; \% @4 T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* }: C& X/ A6 G$ n9 [: J, t
- printf(" STBID: %s\n", stbid);
' e; I5 d' v4 k4 ] - 1 q# m# O0 K, z! Y# W3 F/ W
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; `% @3 q3 B4 E
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 `: E0 G/ |$ y6 Y% q/ @+ T( }
- printf("Input MAC error\n");9 a$ d9 a' U; I5 e1 p$ c
- return 1;
9 _; c+ t* I( x8 D6 t1 p - }
/ N' s4 K. {6 V5 Z3 ^; c/ Q - for (i=0; i<6; i++)mac[i] = macs[i];
+ X. f! V0 }% v$ z - printf("\nPlease input new STBID: ");
' {+ o1 b9 V) ~ - scanf("%s", stbid);
6 _( @ h) G6 F+ E b( p. `# r$ ?" G7 Q - if (strlen(stbid) != 18) {
& G% H& w4 H* Q( M. m& U - printf("Invalid stbid\n");
; w& w- u0 @' U) B/ ~, X - return 1;
- ?9 @$ o( w) U8 Y - }
9 K& d2 e2 s. s+ c5 J# M - printf("\nNew parameters: \n");- L$ n3 q1 S+ k+ {7 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: S8 E) A, J. s# Z - printf(" STBID: %s\n", stbid);
! y7 b& t1 L5 {! q8 @' B5 z
: N: `( ~0 [4 b5 p9 s! `6 ]- printf("\nDo you want to change paramemters? (y/N) ");) }5 V" P: H( B3 u/ h& e3 S
- for (;;) {
- i5 y6 l9 f! T - c = getchar();
9 C( @8 `4 v& C0 j s$ h; h; `9 U - if (c == 'y' || c == 'Y')8 e9 I- \% f. P
- break;
$ E- V0 t7 }7 i) s9 j - if (c == 'n' || c == 'N') {
6 ]/ h2 {' O' C - printf("\nAborted.\n");
! T& g3 X. w6 L- Z: h9 s: R - return 1;
! Z% H$ J4 Z. o3 S0 s' @ - }
; s( B$ s+ D4 C) O2 w- R5 t6 L - }
. E. z- m& c5 K/ K1 L; F - if (writeparam(mac, stbid) == 0)
* j" I4 S9 ~8 W/ S" t$ H3 u - printf("Parameters changed.\n");# e5 d0 A: M3 S6 b% z- b* H
- 7 T, s8 g& M. `$ {( @
- return 0;) f- `2 B: P* n5 i! z: A
- }
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