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 S# G( h5 M, u, V* e" f, d% G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- o! R" x; Y) C
- #include <malloc.h>
- X/ `, j# x2 ^) K/ {/ }2 ^ - #include <sys/types.h>
: \; i, m' v; u* z - #include <sys/stat.h>7 O& O# z; O7 ^4 t$ }% `7 z: H
- #include <sys/ioctl.h>6 J3 @+ t% [! g: F+ n
- #include <stdio.h>
3 s" j. {: a4 N - #include <string.h>
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- typedef struct {. y1 E2 w# k. |2 ^$ a2 H# t! j* |
- unsigned int e2prom_cmd_sub_addr;. f( h3 T. E+ _3 a7 d% `
- unsigned int sub_addr_count;( L4 B& y- D& A, n+ E0 S
- unsigned char* e2prom_cmd_data;
% f, Z4 t6 n* S1 J - unsigned int data_count;7 u1 j! H7 N' o* B
- } e2prom_s_cmd;9 J; L, y$ z% z+ `
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- #define E2PROM_CMD_READ 1: K, n2 Q* {/ g+ y
- #define E2PROM_CMD_WRITE 2
* P- I$ _. Y% |' E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 x+ B8 L, n% | i( ]
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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5 n. p, B3 P2 @# Q& R5 r - int fd, ret;
+ n% Y# z2 T& ~9 m( W - e2prom_s_cmd arg;; V; k0 U3 j: x/ O0 \- B; W
- unsigned char buf[0x18];; W% b3 X/ R$ W: O+ y
9 u! X, ~9 N8 ]: C- fd = open(E2PROM_DEVICE, O_RDWR);
7 c( [" N: `2 ?2 \6 A - if (fd < 0) {5 k( e) Z0 q |2 h; ]8 g
- printf("Device %s open error.\n", E2PROM_DEVICE);
: O8 x5 e( p' Y' L8 K. C3 j - return -1;8 s, Y0 ^9 C: z! S# l: h( ?) t
- }
1 G2 ]+ A/ z' k3 y4 {5 B5 J - arg.sub_addr_count = 2;
& |$ ^1 w- Q/ y) I. K9 q - arg.data_count = 0x18;
7 n9 z! g. L7 d2 y9 @ x: k# p1 @ - arg.e2prom_cmd_sub_addr = 0x290;
" f0 w. N ?6 k& I5 L* z7 ~ - arg.e2prom_cmd_data = buf;2 \ T( A- ?/ n1 n
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: ^( j* h: z- j/ o - if (ret != 0) {
5 H+ F; E: T7 h; J; x8 A - printf("Device %s read error.\n", E2PROM_DEVICE);- ?8 f5 D% `/ d5 K* `% |) D
- return -1;, G4 q- z9 J) x9 q c
- }
, Q- n/ z% |: ` - memcpy(mac, buf, 6);& X; T: I/ t8 ^$ |: j1 c$ ^
- memcpy(stbid, &buf[6], 18);; n9 w {$ L$ N' g
- stbid[18] = '\0';
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" T) u5 v3 I9 s7 Q% C$ G- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)8 H$ X& O) i& }# h6 x8 c. @
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- int fd, ret;' d C9 |% I! L; A+ H9 a
- e2prom_s_cmd arg;' q2 x5 e/ k4 ~; S* W
- unsigned char buf[0x18];5 Z7 h0 c5 h. t7 v, o+ K9 C* F
- : ]0 Y2 L5 N _
- memcpy(buf, mac, 6);( T* y' L- D! k$ X9 Q0 D
- memcpy(&buf[6], stbid, 18);) [1 B1 w& U+ h" ?8 F, l; [0 r. O
- fd = open(E2PROM_DEVICE, O_RDWR);) V" s: x- u1 ]( f- i! J' S2 N
- if (fd < 0) {
& ?9 s7 G: b p8 O - printf("Device %s open error.\n", E2PROM_DEVICE);$ m& B, j* D( h3 s+ T: G4 I! ^
- return -1;9 E. ]/ \2 G Y# Z
- }
1 C4 Z6 V* p) }3 ?1 ^4 v - arg.sub_addr_count = 2;
" v7 ?) e1 T, p9 ?/ Y, n - arg.data_count = 0x18;9 T* a2 I9 k. S/ `6 n# V+ E
- arg.e2prom_cmd_sub_addr = 0x290;2 k2 N' o6 i+ {5 W- W, k
- arg.e2prom_cmd_data = buf;5 W( [. G- I; J+ _9 e! [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ _% W& I, L* x. y" X' C0 A* B' o
- if (ret != 0) {3 A7 w+ C4 f1 r6 p, g' v* _
- printf("Device %s write error.\n", E2PROM_DEVICE);. ^% B) a7 T7 y, o; G" r
- return -1;
% T4 Q7 B6 ~- \ - }
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! a: w. l" y3 F) j% d9 g% t- return 0;
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; l. J2 ?( g" s' a- int main(). Y+ a5 G f4 N* D
- {
. k, m) v" e7 j7 ]) z0 g% a - char c;
8 N/ y& L C7 w8 }" @ - int i, macs[6];
1 n, |6 x/ s7 C2 w - unsigned char mac[6];
4 a( ~9 T9 p" b9 D+ k: w - unsigned char stbid[256];6 |4 j. n: O- \3 ~& x5 L* N
?; h& O( U: h! L) k" F- if (readparam(mac, stbid) < 0)/ ~ w! l0 j5 e
- return 1;, e9 X3 K& z) z
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- printf("Current parameters: \n");# R' l& @1 v- _4 I% ~) X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% x/ L% h2 w* l2 t* b - printf(" STBID: %s\n", stbid);
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1 V* b+ a& L7 F x6 q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( D# F* H9 }6 r5 j/ |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. Y1 Y: P* b" V: `/ P" D1 J - printf("Input MAC error\n");, p! q1 _5 H! [5 S/ Y3 s" k
- return 1;! l4 i' C9 X9 f
- }; o) n6 f- y2 \7 g: K
- for (i=0; i<6; i++)mac[i] = macs[i];
, ]6 P6 X6 _, N" V6 b, M - printf("\nPlease input new STBID: ");8 }* r3 F0 v2 _. I# v* E6 T1 s
- scanf("%s", stbid);& K! C$ w- C2 o$ ?
- if (strlen(stbid) != 18) {4 k4 ]' q- Y% X1 e- W6 b
- printf("Invalid stbid\n");
( p% W! [' f. _: `& d - return 1;; \; O- L; G9 Q6 ?0 C8 {
- }
3 S5 U# V% x6 H - printf("\nNew parameters: \n");
5 y. t/ M2 M0 Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- c$ V' ?# v/ U3 K7 g* ]6 C: Y% D
- printf(" STBID: %s\n", stbid);
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+ i8 B, M/ N9 O3 r- printf("\nDo you want to change paramemters? (y/N) ");' Q$ c1 z# _# e2 l0 v
- for (;;) {
" T# g9 N* S d: T5 p- q - c = getchar();* `: v0 Q( P$ _/ }, O4 o
- if (c == 'y' || c == 'Y')
6 G7 a# B7 C+ m2 w, A: L! U4 S - break;
: L$ q1 d* V- l \ - if (c == 'n' || c == 'N') {( S5 K) F! |* Z1 v; s! s" `5 G' s# }! z
- printf("\nAborted.\n");. X5 _* {4 R! |# H
- return 1;
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- }
$ S+ I: a5 q' V( k - if (writeparam(mac, stbid) == 0)
5 Z) s( Q, M- q) S! v - printf("Parameters changed.\n");
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. H. l3 f# K" m0 D) {% P6 ~: V$ H3 v- return 0;% ^3 B6 m5 a" P# g: A' }$ d) b
- }
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