本帖最后由 0522 于 2012-3-21 23:04 编辑 2 v/ O! F+ n4 P% A
5 _$ J. f8 i/ y" q修改的代码早有了。到今天不会编译。
' y- [; s7 S" X% h6 |. W2 [+ M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 f0 Q, Z! N2 x; N, e" f - #include <malloc.h>
; [- g5 [8 F% K0 v2 ^+ n - #include <sys/types.h>
. a* @% O" l4 ?+ f+ n - #include <sys/stat.h>
( [8 U; l3 B! W$ {- m8 s - #include <sys/ioctl.h> c# ^# T! w$ a3 T+ Q) k) M7 C
- #include <stdio.h>9 y/ {7 G: ~' N: t) {2 b
- #include <string.h>
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- typedef struct {5 C# ?( d. f# z
- unsigned int e2prom_cmd_sub_addr;+ [ G! s9 s' D- @4 P
- unsigned int sub_addr_count;
# w4 }; Y* ]; K+ K3 Z1 o- {8 w1 V - unsigned char* e2prom_cmd_data;
. E) U4 ]7 e e3 Q- j: E0 m! b - unsigned int data_count;
8 k' y& g0 e! ?- {; m% g6 k8 p, B; M - } e2prom_s_cmd;0 v/ e4 a5 ~5 X9 T
3 V6 X" y( m0 H* i1 v- #define E2PROM_CMD_READ 1! o+ e& M0 B- J* V( l) P' o" B
- #define E2PROM_CMD_WRITE 20 g3 n$ l( j$ d
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- v' Q9 _) h6 S* M8 F& E- O- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
4 V. L1 ]: A5 }, v% x+ H% c) r8 h - e2prom_s_cmd arg;
, }' s* N4 A# I0 y/ k - unsigned char buf[0x18];% ]6 a8 j9 |: t
! A. `0 s& n; V& q$ A: \- fd = open(E2PROM_DEVICE, O_RDWR);2 K, s7 U# K* E5 L$ J( c
- if (fd < 0) {
; `* q t) y! I& B - printf("Device %s open error.\n", E2PROM_DEVICE);. M& I* }/ N- @0 \& B2 z
- return -1;
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- arg.sub_addr_count = 2;
7 |" S) \3 T0 i5 S z4 f/ E! B - arg.data_count = 0x18;1 ]1 t! |0 p" c/ \9 r+ k
- arg.e2prom_cmd_sub_addr = 0x290;" |6 }' d: i- _/ \- s/ G. I- S
- arg.e2prom_cmd_data = buf;! ]6 n! P! W" v9 _- J$ K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 J q7 O* ]1 C9 t( |: f
- if (ret != 0) { _$ P5 v3 V" h& I; [0 T) r
- printf("Device %s read error.\n", E2PROM_DEVICE);/ _' p( G' }" k+ y4 q( } @
- return -1;
% Z2 f/ b* J: q5 J) I3 F ] - }
. u5 }- y2 C6 r* q8 l - memcpy(mac, buf, 6);
5 U+ K% X3 I( y# n - memcpy(stbid, &buf[6], 18);' M$ R4 I& F4 r1 {' Y% i8 Z
- stbid[18] = '\0';
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7 y/ S2 X" |+ B7 H; B4 j9 l' D. m- return 0;- s% O- g0 \' v3 M, Q
- }7 B3 S+ ?1 i* A8 K( `
- ' T, G0 c. }9 ~) r* k+ U& Z, ~
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 R) i2 J1 d4 i i% [' a/ C
- e2prom_s_cmd arg;6 j. l4 r8 ]- t( n6 @6 x' a
- unsigned char buf[0x18];4 e5 m1 w. D8 j0 f# Y
+ A! [& S9 w( n2 Q. l8 K3 E' r- memcpy(buf, mac, 6);1 Q# E" C, |) X# |* [7 T! p+ f
- memcpy(&buf[6], stbid, 18); }, z8 m0 \0 C
- fd = open(E2PROM_DEVICE, O_RDWR);$ Q/ r5 g. T. b& N
- if (fd < 0) {
4 ]; g" f/ d" N$ ^ x+ u - printf("Device %s open error.\n", E2PROM_DEVICE);
" l: a. J/ M/ P8 [& d - return -1;
- S8 X7 A5 U( D) `* K - }6 ]2 d" Q5 f! X3 U( A' W! u' b
- arg.sub_addr_count = 2;
" d/ g* t5 _1 W+ s% i1 Z. I2 k5 [ - arg.data_count = 0x18;
$ W5 r0 ~ @$ }4 V1 ?3 x - arg.e2prom_cmd_sub_addr = 0x290;
8 D; h0 p) ~/ Y' o$ R+ A - arg.e2prom_cmd_data = buf;
1 H4 \: P* E+ n/ i n! c - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" i7 M1 F+ M0 \' y' k( o+ T. r - if (ret != 0) {* U; x9 H. c! w* _! y% z
- printf("Device %s write error.\n", E2PROM_DEVICE);
! p+ T- V/ p) _! j - return -1;
. b8 ]& X9 V+ n# [& V1 j - }
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- return 0;' _/ R0 j$ p% _
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- int main()
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- char c;& k! K+ d& R' n2 X7 |2 L) q: u
- int i, macs[6];
$ t& B, ~" S7 b6 Q$ F4 d8 X* \/ U - unsigned char mac[6];( e8 x j# o. v! ~6 @( X8 O
- unsigned char stbid[256];
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1 h( a2 I% B. |6 k3 F2 f9 H8 L- if (readparam(mac, stbid) < 0)" d5 `7 M9 m0 o; h2 `
- return 1;
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- printf("Current parameters: \n");; t' L2 Q. {: D/ {' u0 g5 k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 Z& f3 o0 O8 `+ _: h, G - printf(" STBID: %s\n", stbid);
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0 Y8 u1 l C! n; m" P - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- h/ J: q( E2 c# B) k. ~5 m3 O0 A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! r2 e/ V$ @& D- _+ o
- printf("Input MAC error\n");/ r/ }6 f0 w, |$ |/ k! m* A$ ?0 z3 K
- return 1;7 f& _! a0 w" [0 Y1 C
- }3 t" M; t$ `+ d. u' [3 t d }
- for (i=0; i<6; i++)mac[i] = macs[i];# q' ~6 k; G ^5 J/ _) n8 I
- printf("\nPlease input new STBID: ");
) L+ a: q r5 \* `! }/ Z - scanf("%s", stbid);5 [# L2 R/ U6 Y* }$ R, z2 F
- if (strlen(stbid) != 18) {
" N: y3 W3 _, X3 S/ v% a9 z - printf("Invalid stbid\n");
8 N( w+ h# t( F. \; f - return 1;+ h) q+ P7 o6 q; E2 Y
- }
/ Z' x; B( i# n. r7 M0 | - printf("\nNew parameters: \n");
( J, P5 i' i+ s& A - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 V% s' N3 [, K' ?& @: T A - printf(" STBID: %s\n", stbid);
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5 h. V% h8 @+ k; ]+ B1 T- printf("\nDo you want to change paramemters? (y/N) ");
. ?/ A' {. l) i2 R, v - for (;;) {
W( o3 v1 H7 i: U6 c% R5 E - c = getchar();
0 b- n c. L5 O* M' v% d - if (c == 'y' || c == 'Y')
; X0 g# {& d8 U6 x( G2 y - break;
; T& \5 a/ _7 Y$ ~: H+ A - if (c == 'n' || c == 'N') {
5 d a! K: n% L" P; i - printf("\nAborted.\n");6 q5 p- M2 E. [4 _) M
- return 1;
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- }& j) S8 o" G/ a0 q
- if (writeparam(mac, stbid) == 0)
" g2 v( R! G& F* I* U7 x8 J - printf("Parameters changed.\n");9 Q) z4 l& ~! j
3 W# p6 R3 I* T( Y- return 0;
# C5 c# p6 F5 |5 W1 o( F4 m( b% C ? - }
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