本帖最后由 0522 于 2012-3-21 23:04 编辑 & m6 H9 }$ x; {
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修改的代码早有了。到今天不会编译。# p" R* q4 Y5 N9 c/ Y; o9 C
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
n) N5 d; M0 M9 @ - #include <malloc.h>
5 e- W/ c- R* Y9 m1 n, K& f - #include <sys/types.h>0 I7 [0 X6 G9 F2 O$ \3 C4 @' Q( N
- #include <sys/stat.h>
$ S& f7 l$ w5 P1 t+ V - #include <sys/ioctl.h>
9 R6 Y' e) |; F, k0 m! W - #include <stdio.h>! q0 l+ V" j7 G) S% {7 g: w- q( s
- #include <string.h>
9 f) h g& s5 u5 Z' `; r - ' Z7 a6 Q W# \: `
- typedef struct {
9 @7 e z1 b- E - unsigned int e2prom_cmd_sub_addr;
" t) P- O4 E1 ~3 f. x$ n% s - unsigned int sub_addr_count;3 L6 x4 C5 L* N1 n$ i% B
- unsigned char* e2prom_cmd_data;1 t( L8 Q( D. P2 h: B
- unsigned int data_count;% x6 U* S, @! E+ m+ G. v2 B
- } e2prom_s_cmd;, y- I5 m1 ^; `
- ) J6 T, v! [: B; N" [0 Y5 w
- #define E2PROM_CMD_READ 1" `3 r0 Q' T1 D0 r- p# K
- #define E2PROM_CMD_WRITE 2
: N* S8 f1 u# \7 B5 c$ b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 d) k% b4 N4 j: W, s9 s7 F
- e2prom_s_cmd arg;% h# R+ n! A6 b7 O, ^- d
- unsigned char buf[0x18]; B# I N$ v9 V" I
- : p. ^' s/ R( t- M( @8 d! P }
- fd = open(E2PROM_DEVICE, O_RDWR); X/ ]. {' L4 [; o S) X2 R
- if (fd < 0) {
, K) G# |$ d2 i4 f+ c. y# @ - printf("Device %s open error.\n", E2PROM_DEVICE);
: Y$ u% M+ B: w7 X - return -1;- | \6 r" V5 ~9 L% \4 }6 U
- } @. }$ q1 [+ U. C( E
- arg.sub_addr_count = 2;7 ?5 l+ ]8 T7 W0 V% E
- arg.data_count = 0x18;+ @/ `8 }* t# ?$ V) a
- arg.e2prom_cmd_sub_addr = 0x290;
/ ^, i9 t) a* @6 [# a6 x - arg.e2prom_cmd_data = buf;( v: a8 Z+ o$ S2 N; c% |% W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! R+ E+ U3 \' [ - if (ret != 0) {' H, B: q( B0 r3 S
- printf("Device %s read error.\n", E2PROM_DEVICE);- A" e9 r. ]" b1 D- q! |
- return -1;
& F. |6 `/ G" D3 g8 f - }
4 x; S! ~0 ~5 v - memcpy(mac, buf, 6);
9 [1 s. }- y, s. o& f3 v5 l - memcpy(stbid, &buf[6], 18);
$ |6 z! J- J0 b8 Q3 q/ ^ - stbid[18] = '\0';+ {$ B! h# `5 x6 ^! b
* f, B# p* ]/ @# W$ B- return 0;
7 r7 P2 l: L) C; t6 L - }
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: c) p2 C3 H# a- _& L x& N! ?- static int writeparam(unsigned char *mac, unsigned char *stbid)3 q7 @8 S! y; O$ i( F: p* P; I
- {
9 G4 B5 h5 u' J* K - int fd, ret;% z- ^1 s! ~( W7 j
- e2prom_s_cmd arg;
) v& m/ W. T: Q! o2 f2 N - unsigned char buf[0x18];, K& \8 N( }4 d: y6 k: i! `& S
" w/ P# I" K- J4 }0 V- memcpy(buf, mac, 6);
* O+ W5 q$ f) ]" N* N - memcpy(&buf[6], stbid, 18);
/ M# \9 R: j0 J s3 J$ K+ S - fd = open(E2PROM_DEVICE, O_RDWR);
/ p# k; y& G, m0 T- \ - if (fd < 0) {( z3 s# e3 x; W! u' T7 n& A8 F
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 u+ O, A+ K! k4 o - return -1;9 `- u9 H# M% {6 {% u* x2 |
- }
3 h) V1 L0 G8 @' J( J9 A6 ? - arg.sub_addr_count = 2;% y l$ `6 h4 g9 d. |( W. |; P7 ]
- arg.data_count = 0x18;
3 p. r3 O! L3 ?& c& T - arg.e2prom_cmd_sub_addr = 0x290; E! ^, x {' k5 u/ l
- arg.e2prom_cmd_data = buf;
$ Q B1 M0 a/ @/ f8 j2 F - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( o' |/ m* W) x1 | Q$ A - if (ret != 0) {
& a0 K' B8 Q; K. t& u4 {9 q - printf("Device %s write error.\n", E2PROM_DEVICE);) W; |) O( S4 ~, Y
- return -1;8 i( V4 C! x& W" H7 }* X
- }2 b) U$ ?' H) u- J5 |
% m& a/ S' A& I1 B# `- return 0;1 F! W, m! I' c9 x9 L
- }
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1 z8 v0 [5 M# j; |2 U1 V! b9 h- int main()! J4 T, A, e. ]
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- char c;
" x \. e. T# b5 {( t$ z - int i, macs[6];
$ U5 `5 Q* W' L( x% g5 e - unsigned char mac[6];
6 W. L$ d! y w2 { - unsigned char stbid[256];
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' g) ?8 r: T0 q! d& |0 A- if (readparam(mac, stbid) < 0)
8 G* g I# o& O$ Y/ y7 V) h3 O - return 1;: G" Z$ Y+ w! @6 V
* {/ T2 ?) b- z. c7 a2 m/ F8 o- printf("Current parameters: \n");
' ?. I# Q; j1 C$ m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); f* M: f5 X7 T. g3 z9 B1 V( y$ B
- printf(" STBID: %s\n", stbid);9 ?% x1 o; b8 U- p1 p% p- o5 P
-
* S. K& h: i9 d, R! s7 h" l9 S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 k$ G. Q( ]) f; D% Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ M6 m+ q( D( Y% _" S9 d$ {% H
- printf("Input MAC error\n");8 x+ ~0 l# x- P8 }+ Q) o: m% n
- return 1;1 T# K4 [/ U+ h' ~) b
- }* E3 L" ~* i. {/ a! G
- for (i=0; i<6; i++)mac[i] = macs[i];" G+ G( R# R6 z( @! a/ g
- printf("\nPlease input new STBID: ");, |' b& L' f+ [! a' E: q- f$ \
- scanf("%s", stbid);
$ {! P; f+ V3 L - if (strlen(stbid) != 18) {
1 P* d2 c3 E1 B- P+ m3 T - printf("Invalid stbid\n");
& Z& ^9 R" o& C0 O% I! _2 d - return 1;
0 ` {1 l# d7 `9 M! Y: c& [$ ~ - }
6 Z# X; q+ i* e3 i$ J; n% F - printf("\nNew parameters: \n");; ?+ R4 O* ^) x1 T+ Y+ `. U+ b0 T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) J0 g% u. U) j% t5 _- z6 q1 C' r. h! ] - printf(" STBID: %s\n", stbid);; s! t, h, B+ b$ r
+ b9 }0 X: C ]% m! h% m; F! L0 @- printf("\nDo you want to change paramemters? (y/N) ");
; t, h0 u H) M8 d: S& e) i) g$ k - for (;;) {
! ?* W# J+ U( h/ o3 q2 d7 n - c = getchar();9 K9 z- o: w+ J
- if (c == 'y' || c == 'Y')
$ U, i2 |6 [) } - break;
C+ @) U& N0 m4 o9 c( l - if (c == 'n' || c == 'N') {4 U& C2 N: M3 ~) n" a1 `# E& _
- printf("\nAborted.\n");' M- ~3 ]% R! X# [) V4 ?
- return 1;3 c9 B/ f7 S- h8 P
- }8 D; f5 R/ b- w T
- }$ ~1 L0 C0 L6 A0 X& R/ z+ A6 ]
- if (writeparam(mac, stbid) == 0)
4 S4 F3 [& M* f9 Y) y( U# i - printf("Parameters changed.\n");
8 p0 n7 @4 n D) }
6 z. P9 x5 E6 c1 ~- return 0;% Y/ V; o: ]6 V1 g
- }
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