本帖最后由 0522 于 2012-3-21 23:04 编辑 . U, q7 l, {8 i. O+ K* ^. A
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修改的代码早有了。到今天不会编译。* @ C" }& u- e& N+ _, ]+ w" s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: W4 D4 Y v. j8 s
- #include <malloc.h>( y6 A) } ` P6 {
- #include <sys/types.h>, a7 A# }- G8 Q3 K
- #include <sys/stat.h>
4 V1 d& Z t) f - #include <sys/ioctl.h>3 i! t6 k$ J5 H% S5 ~0 L: u* }- _
- #include <stdio.h>6 o3 r8 ?! L6 `: w7 Y
- #include <string.h>+ A# b: O* X, A5 \$ q7 F& ?! z
' B* j3 b" d% Z, G! n& w4 p- typedef struct {, A: P2 h( v" p9 e/ W
- unsigned int e2prom_cmd_sub_addr;! J) k$ R M7 ]9 d
- unsigned int sub_addr_count;6 \. @# `: a* E0 j& x. y4 x
- unsigned char* e2prom_cmd_data;
3 i/ s6 U9 X+ p+ U! e* V. \5 ? - unsigned int data_count;5 K1 ?- o; l+ O; l' t1 s
- } e2prom_s_cmd; f; b% k }: P p- z G2 c
/ r G( ]: @: L5 G+ y. }- #define E2PROM_CMD_READ 1
' m1 e4 q1 N/ }0 g9 l* O) S1 w - #define E2PROM_CMD_WRITE 2
* k7 W- _$ J8 L6 F3 p2 i: { - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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% T K$ ]" M4 b& }: |- static int readparam(unsigned char *mac, unsigned char *stbid)
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0 s$ K+ d: U4 P, \# U# D - int fd, ret;
/ ]$ P1 x2 F0 e- Q3 ~) G' {) J - e2prom_s_cmd arg;: E, E* w9 l% M3 S8 P2 F
- unsigned char buf[0x18];1 }5 d3 U, p3 P( O0 r% k `* }
# b: u0 b) A0 T" y- fd = open(E2PROM_DEVICE, O_RDWR);- l0 R6 q, Z4 P+ E( w
- if (fd < 0) {
/ y' b* F! ?' D2 m, N P - printf("Device %s open error.\n", E2PROM_DEVICE);
0 l3 S- r" n* Z7 R! w8 E7 b& X# ? - return -1;7 m- @7 y$ Q! Z0 b T% g
- }, J; b& i' d. M1 u9 k5 u0 `
- arg.sub_addr_count = 2;- t1 D8 r \& [' a1 M
- arg.data_count = 0x18;
. @3 ?: y, R- `' n1 V# M' a3 _# { - arg.e2prom_cmd_sub_addr = 0x290;
: p. @( E9 j) m% N) Q1 X - arg.e2prom_cmd_data = buf;
. F+ f& i( I( G$ ^- {+ m# _ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 M9 ` c3 N! T h5 \9 b8 h* x3 D
- if (ret != 0) {9 f2 W! a: E" o# j; C2 U' v+ Z
- printf("Device %s read error.\n", E2PROM_DEVICE);& m6 C& v: b$ N5 g$ N
- return -1;4 R( N+ r7 {( o2 {4 }- a
- }( }0 {* ?9 b4 |8 {
- memcpy(mac, buf, 6);1 H+ p* i9 S* d9 Q; m
- memcpy(stbid, &buf[6], 18);
8 k% [6 y# l/ u. P+ g& }! w0 a - stbid[18] = '\0';4 p! ~2 ]( r& I; M0 k
. |- b" t$ f6 K3 V( ^$ m* ]- return 0;
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- - `9 z# w; z, ?- Y7 `/ M% t
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! u$ {5 e9 Q% I. M
- e2prom_s_cmd arg;
! t" f0 D& ^- `. W' w' Q& f - unsigned char buf[0x18];: r% j1 c" b8 x$ M0 b8 |9 B
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- memcpy(buf, mac, 6);
+ a, j3 R3 _4 f* I2 C! d/ Y - memcpy(&buf[6], stbid, 18); V% {3 n7 j7 f
- fd = open(E2PROM_DEVICE, O_RDWR);" A4 h' A+ G! b/ f! R
- if (fd < 0) {
* A& Y9 p7 I! E: B# q3 C- V1 A5 Y - printf("Device %s open error.\n", E2PROM_DEVICE);
0 a8 g) q- P. ~4 _ - return -1;5 y n8 T$ p r+ g* m0 }7 @0 Q) z
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- arg.sub_addr_count = 2;
0 V% c6 R' J- d; l) _* d - arg.data_count = 0x18;! m, y! g. ~ A( F# Q7 |
- arg.e2prom_cmd_sub_addr = 0x290;( s* y; O# @0 @7 l3 w% }. |$ I3 K
- arg.e2prom_cmd_data = buf;' d% h. {, H0 ~' Q% {7 I
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 {' s& w; s, q4 Y
- if (ret != 0) {
5 _6 u n& `+ p9 e& ]7 E7 D6 y( s, e - printf("Device %s write error.\n", E2PROM_DEVICE);
2 h* y! T/ ~- K4 W - return -1;) g6 k+ \9 ^! o/ X4 C/ C& K
- }
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# D" c4 Q5 |; ]% O- return 0;
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- int main()
' F* r' w% u5 g) o - {
5 U2 L6 o& F. `6 s- Z+ [ - char c;
6 @7 [, j- @, |; T - int i, macs[6];
+ P0 F; [" s& y3 P7 _ - unsigned char mac[6];
9 u( t7 x3 Y y* m - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)" b) R; @: A/ X ]- G* ?
- return 1;
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- printf("Current parameters: \n");
! X0 _* c6 l3 K1 q0 k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# e Q: t! p& ]0 J5 u - printf(" STBID: %s\n", stbid);& O" I. @# j- A! i0 M; @8 V
-
% f! W3 ^, G" [3 a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, G: _2 T/ b) L, s+ P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ S2 T( h1 N& f' N6 j% M - printf("Input MAC error\n");
- @6 L; \% y: l S - return 1;
& \, j0 g/ `. G) c8 d* s, b% F - }
1 ~: O5 _& N, I - for (i=0; i<6; i++)mac[i] = macs[i];
2 d" I1 M2 L+ Z: s7 {+ V% I - printf("\nPlease input new STBID: ");5 ~( r) f, j( H: K0 {1 m
- scanf("%s", stbid);+ v& W) I0 k# _8 K" w, x9 h$ r1 f
- if (strlen(stbid) != 18) {6 Y& Y! Z! D+ {) e6 ?1 ?
- printf("Invalid stbid\n");
- z: F/ x0 {8 q; n) r# |' | - return 1;) H9 C% U5 q1 T6 @% I
- }
/ o' y/ c* _4 S0 o( [ - printf("\nNew parameters: \n");
( Y5 D0 z' \6 y! Q% G6 i3 j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* @# j: A* u0 j. b9 _
- printf(" STBID: %s\n", stbid);6 n# W d0 H( b
7 ^8 u' s! r7 \6 k! O2 |- printf("\nDo you want to change paramemters? (y/N) ");
z: b1 V9 q$ X - for (;;) {
; O6 O$ T- S2 V - c = getchar();
# T/ r$ q6 o2 V# k& Y- ~ - if (c == 'y' || c == 'Y')
) {# m. t$ z. G/ O - break;
: k2 a* j2 w! k - if (c == 'n' || c == 'N') {# s& X6 Y |7 k7 D6 P$ j8 A
- printf("\nAborted.\n");6 r- t* ^8 L, P7 l$ Q
- return 1;1 M% I9 v3 k9 V3 W. F
- }
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- if (writeparam(mac, stbid) == 0) 5 w. F _, ]" n
- printf("Parameters changed.\n");
: F; ^& q* P5 S3 }
3 j5 V g1 `4 J- return 0;) o2 p5 L( z% ]9 b
- }
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