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。 x5 J' D: Y6 Q7 Y/ C/ q# e9 C: @
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 a2 b* I" F; I - #include <malloc.h>
K; r: X" l& @ - #include <sys/types.h>
9 g3 A- _, R3 O: ~$ U( i - #include <sys/stat.h>
: b8 Q; L2 H( L" {' |% G3 D+ d - #include <sys/ioctl.h>+ `: V( f& B/ R% P
- #include <stdio.h>; Y8 \9 K Z) w8 s+ s6 Y' r
- #include <string.h>, y7 b A4 r9 M [
/ @ p* r( p% z I+ K- typedef struct {0 {' P- A6 f N- Y' c
- unsigned int e2prom_cmd_sub_addr;$ J6 s+ t1 J+ r2 B* M
- unsigned int sub_addr_count;/ ^" F. d! s# F! h
- unsigned char* e2prom_cmd_data;
; g1 R0 f+ m5 t( h7 G' l3 D - unsigned int data_count;
F! B! }6 n; M6 r - } e2prom_s_cmd;8 P6 J+ T, ~9 A/ v& q
- - P: T# P5 |9 {4 W3 L8 t
- #define E2PROM_CMD_READ 1/ L; ~/ S6 G' _& F9 X
- #define E2PROM_CMD_WRITE 2* |6 x2 g% i0 x3 o& F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") b) F' M3 z9 c1 p6 G; {5 K* `
- W* f' b4 P E- b
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
6 U' S" B" m+ J/ Z9 l" m& X - e2prom_s_cmd arg;
3 x& [. @! ]. b" d! D) _ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
8 s9 o6 e- t! e3 [; ^4 Y% ? - if (fd < 0) {
; I1 p% d$ B% s! L8 R* w8 Z - printf("Device %s open error.\n", E2PROM_DEVICE);# B* R X* w2 p
- return -1;
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- arg.sub_addr_count = 2;
( O3 _/ Q5 n9 h/ _. v- S: B - arg.data_count = 0x18;
" V& M$ T" h5 T% h$ @3 y' J- ` - arg.e2prom_cmd_sub_addr = 0x290;
" t q' [7 m. { - arg.e2prom_cmd_data = buf;% B9 ?8 V% J- ]2 E/ M# v& e
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);# t: r! }( Z& H9 f# i: ^
- if (ret != 0) {
( }7 K4 _* `8 m3 v - printf("Device %s read error.\n", E2PROM_DEVICE);& ]' M+ e6 U/ l( w
- return -1;
$ ]& ]3 w& m ?. e! P% r! \1 m - }
+ q: Q1 Z3 A: a$ ?' |; L6 Z. W - memcpy(mac, buf, 6);- V* A' f- b7 K
- memcpy(stbid, &buf[6], 18);
2 E! Y5 B1 }1 d - stbid[18] = '\0';
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1 d& L2 c" v' B z. V3 l+ q- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)( A' P' Y$ G: A V
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- int fd, ret;
- v1 r& N$ y6 j3 y9 C4 ?4 J! y$ I, } - e2prom_s_cmd arg;
: I; _' L- O% Q6 X2 V- A - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);. A( }! z/ ]: R' Z
- memcpy(&buf[6], stbid, 18);
; j4 \( H# L% W* G- J$ a - fd = open(E2PROM_DEVICE, O_RDWR);
1 Q* `) ?2 u- d. f - if (fd < 0) {5 J. Q+ F$ _* O. a" x; R
- printf("Device %s open error.\n", E2PROM_DEVICE);0 j' }) [4 |: K4 X! f6 `4 M/ g: U, h
- return -1;
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- arg.sub_addr_count = 2;7 h( {' O( H0 N+ e$ s. b. }
- arg.data_count = 0x18;
1 @" Q4 P* y9 c$ z - arg.e2prom_cmd_sub_addr = 0x290;
! G2 E" J1 Q/ N8 }5 Z5 q. b - arg.e2prom_cmd_data = buf;
$ G6 _ k9 B' Z0 e! k; S - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' b9 M" r l8 z( N* s8 u
- if (ret != 0) {5 r6 j- \/ p( M$ [. B, y, ?+ Q/ s
- printf("Device %s write error.\n", E2PROM_DEVICE);
1 b/ `" l/ O& X! c - return -1;
, b7 D- ~* _3 Z - }
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- return 0;* y* J# l. w" Q6 I1 s$ A% t
- }
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0 P2 `* s" f% J9 f% K! w: j- int main()5 {. W* V* R* A- @' x
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- char c;/ ~4 Z% L" j3 V" }4 X( r& o# s/ A1 Y" W
- int i, macs[6];
# v6 i e: ]: h - unsigned char mac[6];2 }: G1 ^ I3 d( e$ D( ?9 ~& y! u
- unsigned char stbid[256];8 U% v: G I8 n8 Q% g* v" [
, [# E3 E$ }+ B$ ?. j- if (readparam(mac, stbid) < 0)
" z: h6 u! M, h% l+ m8 [6 \ - return 1;
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* j% O* A1 Z; j ?6 D$ K/ N4 { _- printf("Current parameters: \n");
/ M* Z& V, O8 g0 r0 Q/ P2 G/ Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 M% o% o) j9 ]0 d [6 @
- printf(" STBID: %s\n", stbid);
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& U; I5 N( I4 _' ~; o - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# z$ \$ `/ C' c( y! x3 u" N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 E8 U- D* ~5 S( Y; J8 q - printf("Input MAC error\n");4 B+ |# j% |; Y4 r- p
- return 1;
5 @) D: y9 H" R1 u: S - }
3 L. x3 N7 {3 J6 z; ^$ q - for (i=0; i<6; i++)mac[i] = macs[i];; k4 J, ^7 i' v2 r! a* ~
- printf("\nPlease input new STBID: ");, _% h, z: W" z# s) Q
- scanf("%s", stbid);! ^. N X( s7 q
- if (strlen(stbid) != 18) {
* b! U0 \, A/ _4 u# D( a - printf("Invalid stbid\n");
1 ~; M6 _) G* K) ~' q - return 1;
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- printf("\nNew parameters: \n");
& g4 l5 K) q' q. j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 m6 a7 ^$ s$ }& [3 X9 D6 G
- printf(" STBID: %s\n", stbid);
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# X& S1 ?: N d& n8 a) J4 h- printf("\nDo you want to change paramemters? (y/N) ");
k h! T) s( U S! W, u, m1 {4 B2 M - for (;;) {
' C% N& v$ i0 }: G' r; _0 X+ D - c = getchar();; T/ { E0 E' Q
- if (c == 'y' || c == 'Y'); W+ c5 ~( U+ {' ]3 m
- break;
. ]8 y$ i, P' O# w - if (c == 'n' || c == 'N') {
( |- w3 N. |* W2 W8 m* K3 Y" R - printf("\nAborted.\n");
& V4 p0 c: P2 ]9 | - return 1;! H2 E* W3 e1 K, a* j
- }
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- if (writeparam(mac, stbid) == 0)
% J0 s( d0 ^" z* B; S3 ]& e - printf("Parameters changed.\n");
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: u1 P/ a) x. r& d( h- return 0;) k9 O0 c' `) t1 A# j! M
- }
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