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。
- R9 |( Q& j6 A: H& h需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 r6 w0 S g& G - #include <malloc.h>6 r \" }6 @3 T# V8 D
- #include <sys/types.h>
) G9 j5 p: }1 I: b/ l1 H - #include <sys/stat.h>& r: r1 O. [% b1 P, j/ u
- #include <sys/ioctl.h>7 Z1 y) E' R8 T8 S1 p" D! ~
- #include <stdio.h>
' P) A) ^& t) g1 s7 q$ ? - #include <string.h>
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. c, X: X ^+ [5 D7 a# Z4 Z% X- typedef struct {
" E2 c# W' k4 Y9 Y$ ] - unsigned int e2prom_cmd_sub_addr;
) o9 w1 e" w3 W4 i( O( v - unsigned int sub_addr_count;
0 z& U. H+ Z4 ^6 M' z2 p- n1 A - unsigned char* e2prom_cmd_data;
& R( C: I' J" A/ t8 X - unsigned int data_count;
6 |2 |! B) R2 V - } e2prom_s_cmd;
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5 d! u8 V7 m r4 k. C! T- #define E2PROM_CMD_READ 1
+ n4 n1 s) r% ?2 d1 Z; |5 l - #define E2PROM_CMD_WRITE 2
# l. f) @5 z. t) K8 y6 U6 m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 f' u! ?" K/ u3 r- c' v( l3 r' n
! [$ m- [5 H( m: A: k- static int readparam(unsigned char *mac, unsigned char *stbid)$ n3 F" X5 w/ m+ B
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- int fd, ret;
' n( V2 \) `, C1 G O - e2prom_s_cmd arg;& s( z* E; s! ^/ b9 ^4 s9 `& [9 n
- unsigned char buf[0x18];
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: H/ g& G( a3 _5 q# M2 g- fd = open(E2PROM_DEVICE, O_RDWR);
' S: E" Y/ l% v2 d) i - if (fd < 0) {
! P# z! r( }3 U5 e - printf("Device %s open error.\n", E2PROM_DEVICE);. }3 f- {' h+ @9 _) v
- return -1;
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- arg.sub_addr_count = 2;- K4 H0 W0 `/ M9 n( v9 o- n
- arg.data_count = 0x18;' d& D6 n" H$ H) U G/ A
- arg.e2prom_cmd_sub_addr = 0x290;
: j7 V' B2 H$ ^ - arg.e2prom_cmd_data = buf;
- N3 T& r7 h5 M" o" v) l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ W" D8 L/ f3 p5 \* q/ R D8 ` - if (ret != 0) {
$ r9 f' s# X" e - printf("Device %s read error.\n", E2PROM_DEVICE);
; A! V/ P5 Q3 }+ C$ u4 g0 \ - return -1;8 z7 m$ S, j/ Q; ~. z& i8 T
- }
! L7 r# N0 Q0 p+ S - memcpy(mac, buf, 6);+ X0 H5 G1 F, P& p& M& d
- memcpy(stbid, &buf[6], 18);
6 r. k3 r2 W8 B/ B- ^$ w6 G& l5 ^ - stbid[18] = '\0';) [( F. Q- Z5 `# K, I- [
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- return 0;" |" }& ?+ x x0 O5 m1 x2 _
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( f% {# l% }2 c, r
- e2prom_s_cmd arg;
. P# G4 n( c d3 p' L8 A - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);/ x( H" X6 L' u+ ]. u* V# D
- memcpy(&buf[6], stbid, 18);" V t- c+ C# S" a
- fd = open(E2PROM_DEVICE, O_RDWR);
6 L2 U+ C* S F3 k - if (fd < 0) {
0 D. O5 Z( G: o x/ U' s2 D: W1 D/ Y - printf("Device %s open error.\n", E2PROM_DEVICE);
/ F9 J8 Q. Z) X. M - return -1;" x* L) h2 V6 _5 D/ J
- }
2 M) | j' g% D - arg.sub_addr_count = 2;
9 c9 U$ a& c+ y8 j; C - arg.data_count = 0x18;
* P8 f3 T' w: w) m4 ~ - arg.e2prom_cmd_sub_addr = 0x290; y/ n+ n$ \" f# c4 V, ~# }) c5 u
- arg.e2prom_cmd_data = buf;# U3 C+ M, X$ S! n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 ^' n) y3 K+ x& E. R
- if (ret != 0) {2 ?$ ~ k9 F3 L5 U7 ^" C1 h
- printf("Device %s write error.\n", E2PROM_DEVICE);1 O' z9 ~3 I1 i4 a
- return -1;) C5 `# \$ U5 _- W) Q. Y
- }
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' G+ M* u4 U) i- return 0;
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- int main()* f8 ~5 F" d- x* M) |* \* B
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- char c;
" h; S9 Q, s; D7 }' M7 X7 s( P - int i, macs[6];8 ~$ Y M; j! ?9 l, l! A) q
- unsigned char mac[6];
* E- N) ?9 u! R, G - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
2 h( j5 L8 \$ [/ _1 b; ]8 Z - return 1;. |% \' z2 @ T9 B6 V, T' Q. r$ Q
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- printf("Current parameters: \n");; R/ P, s& o7 i- w8 ~: k) ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( a3 n S( I9 e1 @9 d! N$ q: x
- printf(" STBID: %s\n", stbid);
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/ |* R7 {$ o+ D7 l( ] - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) b: z. `9 ^0 \8 U# O! F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. W9 ]7 T) W" _1 ?4 \9 a/ C$ H0 T
- printf("Input MAC error\n");
/ E$ Y" a1 ]; x - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];- t1 O9 V& @8 Y5 v! Z1 ]
- printf("\nPlease input new STBID: ");+ e1 {' Y" z/ n1 L, V
- scanf("%s", stbid);
2 z/ G6 v1 y6 O5 d8 ~; I8 g - if (strlen(stbid) != 18) {; V9 b! g! C: H+ S2 u& N; ]$ I6 a8 T
- printf("Invalid stbid\n");: K: z; e. F F" N& d. y2 h! S
- return 1;: L3 X0 q, |- i
- }
# w& k" A( H6 R! j3 c - printf("\nNew parameters: \n");; p/ x9 T% c- ], d' R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 a, G$ ~8 U: _' R2 r A
- printf(" STBID: %s\n", stbid);
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, H9 e: b. g' h- printf("\nDo you want to change paramemters? (y/N) ");
+ |, \/ @0 R1 U" }3 d* T6 l/ j - for (;;) {- ~( e' t' q ]! t
- c = getchar();
8 i; g8 K5 I6 [- \, D1 T - if (c == 'y' || c == 'Y') u7 g) y8 d3 ]; P. e
- break;
( \7 ^! L% _7 s; k - if (c == 'n' || c == 'N') {6 X2 P# Y( k2 E2 e- {7 A9 C0 r
- printf("\nAborted.\n");
5 o E3 E+ n" r" A3 W - return 1;
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- if (writeparam(mac, stbid) == 0)
9 J3 U; E5 Y& y+ P7 n - printf("Parameters changed.\n");2 A9 {) M6 d5 M, a% @
* ?6 X. s( o( p; i* v, t- return 0;
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