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。8 d) {) f* E1 N/ p$ t
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 l V* e) M3 z
- #include <malloc.h>
. U+ y: J% x N" O9 l - #include <sys/types.h>: v8 \7 Q( y" I+ Q- E8 H2 F/ a
- #include <sys/stat.h>
+ m# }- V6 j8 O5 I. x- H - #include <sys/ioctl.h>! S" v- b. h3 M" R+ c
- #include <stdio.h>
. c1 W! l7 N- k9 Y( _ - #include <string.h>( X# Y$ ^1 m( H+ V- F
- 0 [; b* s0 N) l( I
- typedef struct {
# d! D5 z( f: N# j% I2 r - unsigned int e2prom_cmd_sub_addr;! m, e: _/ E1 {$ w
- unsigned int sub_addr_count;& ` `" {% i# d
- unsigned char* e2prom_cmd_data;: G& o7 t" ]! A9 {1 `* r
- unsigned int data_count;/ f) T \8 y; K6 O8 l
- } e2prom_s_cmd;' f+ g; E3 X6 d! l% e
9 V$ ~5 T! h1 B( ^ }* i) D- #define E2PROM_CMD_READ 1
2 L; W, R1 M C6 S; ]7 ~, r - #define E2PROM_CMD_WRITE 27 J0 [6 Q/ P1 ~/ m% k0 Z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 p2 Q1 c1 E1 I+ b6 g- static int readparam(unsigned char *mac, unsigned char *stbid)
: X& O4 j# r6 l% q* M - {
" N5 e7 |4 ?: _7 t - int fd, ret;' n2 I: W5 `8 p; o0 c! X2 \
- e2prom_s_cmd arg;
4 u6 f8 B1 i! c3 H& b6 ^ - unsigned char buf[0x18];/ L2 t8 i2 T9 C
4 a9 c& n" v2 u+ o5 h- fd = open(E2PROM_DEVICE, O_RDWR);
9 a+ z# q" G! z' V4 J, _ - if (fd < 0) {
* X2 r" Q! i' P! ~+ l) P H# G - printf("Device %s open error.\n", E2PROM_DEVICE);
6 s! }7 W% v; D3 i0 j9 p - return -1;7 `% j3 V9 l7 g2 J
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- arg.sub_addr_count = 2;
3 P7 c3 G- `8 \7 M) I - arg.data_count = 0x18;7 ]) R$ T+ a+ D* U4 H5 k
- arg.e2prom_cmd_sub_addr = 0x290;2 a1 U: h* U$ |' N$ [4 F% D2 y+ ?
- arg.e2prom_cmd_data = buf;
1 @+ W! v8 ]" W8 m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( E* l2 _) J0 M6 s - if (ret != 0) {
, o2 B# l) r* v# E& |* ?' [ - printf("Device %s read error.\n", E2PROM_DEVICE);
9 g$ S0 R) s+ m. V$ y8 s0 k$ c - return -1;
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- memcpy(mac, buf, 6);* z% u8 G* r+ Q7 ?
- memcpy(stbid, &buf[6], 18);
' s8 A( j* J/ Z9 P- c5 c - stbid[18] = '\0';' s/ I6 S* d, T& N: A
: G6 D9 p- D1 Q0 ^, U- return 0;: D+ H( M7 Q9 F7 i. M) ^, V
- }
}. {0 ~2 J. x
4 e) a1 O9 V( C- I, m$ q5 T8 |2 x- static int writeparam(unsigned char *mac, unsigned char *stbid)# s: H3 t* S7 ]7 W
- {
! ^; f. K" g8 n5 i( \ - int fd, ret;
( ~$ y2 ]$ e' A! l8 S - e2prom_s_cmd arg;
7 O. {0 u; M+ J+ n* ^6 Q& [+ _ - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
2 w- o) V7 ]: T) ?( n - memcpy(&buf[6], stbid, 18);
- d9 y5 t+ y. T - fd = open(E2PROM_DEVICE, O_RDWR);
* N& `* m# o. r1 g2 D - if (fd < 0) {1 a+ _1 B( W7 s# \+ r i5 ]
- printf("Device %s open error.\n", E2PROM_DEVICE);; e9 ]; T- O, |, @* P' ^
- return -1;. F3 ~' x$ Q/ d; i" _8 a
- }& n1 C( M3 v2 C1 b2 q
- arg.sub_addr_count = 2;
F6 C% x$ F1 T) m* S - arg.data_count = 0x18;
" g! D, o4 R! O3 e4 V! H - arg.e2prom_cmd_sub_addr = 0x290;
; E* r8 {1 x, n, e - arg.e2prom_cmd_data = buf;( Z4 n: U. X0 \" l) t+ I' U2 q& J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 G/ ?1 S& r% L" e- o8 D( w
- if (ret != 0) {
2 n# m; X) }" d: j! O9 C1 j - printf("Device %s write error.\n", E2PROM_DEVICE);, }6 r7 n5 }, e, q
- return -1;8 ^# A9 `, o# ^" u. q6 [
- }. {$ @; @' K- ~( C$ g$ Q
5 t8 c' e" r- y! \* s* o9 J- return 0;
: J# U; G( U6 C. x8 @ - }
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- int main() H7 {1 n6 B: w7 L8 G) N* y
- {
# y9 I* Z! H( Z! F+ Q' b: z/ h - char c;$ @! Y0 G; W% Z' p1 f
- int i, macs[6];
0 {: Z$ ?9 e, o" T7 ` - unsigned char mac[6];
l' k4 f+ J6 C+ c8 @/ r2 O t - unsigned char stbid[256];
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, t1 V" ^9 \7 V& [' c& U- if (readparam(mac, stbid) < 0)
" t" a3 h- k, z5 E - return 1;: K. N) T7 U: [% _3 \/ Q9 H0 P
- 1 T1 f9 `! R. ^4 |8 O
- printf("Current parameters: \n");& m4 P# {" d% _( B# r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% V, J! L: l/ N$ T* _3 G+ B0 _
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! \' s) c( u- ]; f
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% ~9 e4 A6 T# q* @
- printf("Input MAC error\n");
; g. y7 r, {$ A - return 1;# @/ }* ~5 G( C: {/ h r
- }
3 M* E& F0 C- Y+ C p/ { - for (i=0; i<6; i++)mac[i] = macs[i];7 r/ M9 z; j/ S% W0 g
- printf("\nPlease input new STBID: ");
& K& o. \' P0 l$ s - scanf("%s", stbid);! J T* N t2 Y$ P
- if (strlen(stbid) != 18) {6 y7 Z9 J* s L7 s
- printf("Invalid stbid\n");
% {: G0 k3 C/ b* T( _ - return 1;
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- printf("\nNew parameters: \n");" q* C. D5 z! ]8 T0 }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) p: Z5 Y& T$ t8 b - printf(" STBID: %s\n", stbid);
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: Q( E% M1 h3 V9 `2 L- printf("\nDo you want to change paramemters? (y/N) ");
. B$ v0 Z% |! h& H; f0 ?2 b - for (;;) {7 a" S5 c9 }# J9 B( B0 C( z
- c = getchar();0 U5 O* p$ w y7 v
- if (c == 'y' || c == 'Y')
$ ], e9 D; ~* @ - break;
' g1 `* ^! w x - if (c == 'n' || c == 'N') {
" O( I/ t) R$ F @ - printf("\nAborted.\n");" p$ P& `1 n1 w! E4 N
- return 1;
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- }. X, w: \: i+ Z9 f R- `
- if (writeparam(mac, stbid) == 0)
1 O( J5 _3 O) X6 ` e& @ - printf("Parameters changed.\n");
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/ M2 V! H. ]5 M7 |5 z- return 0;; H7 `! \$ ]; B) p. w) L! M: ~" J
- }
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