本帖最后由 0522 于 2012-3-21 23:04 编辑
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9 R5 N$ n0 n1 P [8 K" p修改的代码早有了。到今天不会编译。
/ O4 o$ S" B: v/ B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># J5 ~3 }- t+ V9 z3 n8 a
- #include <malloc.h>
( n" j7 W w* c& B% v - #include <sys/types.h>
+ l+ U7 d; r: t2 U* J: l' j( f - #include <sys/stat.h>% E8 E; q/ r; ^& q
- #include <sys/ioctl.h>2 W/ B$ ~0 r# c" |
- #include <stdio.h>
2 L" r- ?( u$ C/ U( m0 Q# V) F. ? - #include <string.h>
: @" V2 g) ?+ w! T+ V o, C - 1 C3 p! o$ n4 j j. `; ?; i
- typedef struct {
. _& b; ^8 Z# i7 t+ o# u5 l - unsigned int e2prom_cmd_sub_addr;, e* C. v' ]7 F" v7 b
- unsigned int sub_addr_count;" C" ~* X( k- E; @/ @
- unsigned char* e2prom_cmd_data;3 {* R' W2 {& K4 w7 ?/ ]
- unsigned int data_count;
& j. }2 s8 u4 H b& X - } e2prom_s_cmd;: a# h1 b9 k' ^/ p
- % x: T% u1 Q' A5 U
- #define E2PROM_CMD_READ 1* v8 j" q! k1 { N) f+ B# X
- #define E2PROM_CMD_WRITE 2. s" U6 b& }5 H3 ^- A7 \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 F& m8 q. I$ e' J
- & L9 d2 ? B. x
- static int readparam(unsigned char *mac, unsigned char *stbid); q0 G. f+ X2 d8 w
- { U: Q- t) v& b8 V, T
- int fd, ret;
( }* r) t0 c% o+ d! E - e2prom_s_cmd arg;
; S/ i. ~4 Z6 P1 |& S - unsigned char buf[0x18];2 }# u' L2 T2 i3 k9 h$ ^
- . U4 i& I% {5 v
- fd = open(E2PROM_DEVICE, O_RDWR);. |2 S+ w# l: @- _6 W2 |* {
- if (fd < 0) {8 Q* e) H. x# G( G' `# \
- printf("Device %s open error.\n", E2PROM_DEVICE);4 a# T0 y1 p9 x+ a* q3 p
- return -1;
* U' q6 t V" {% o8 N9 ^0 j% i - }
# |$ d4 K4 g4 X8 ~$ h3 b - arg.sub_addr_count = 2;
7 Z/ l0 f1 }' M- j- _0 G+ x! m - arg.data_count = 0x18;
" K6 K! e. R& d6 X. P. h - arg.e2prom_cmd_sub_addr = 0x290;/ z6 J$ u) R) k% x
- arg.e2prom_cmd_data = buf;
3 e4 \9 Z2 r. E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" V$ S# H* K% S# x2 y) k - if (ret != 0) {% Y; a0 z, [' G( F
- printf("Device %s read error.\n", E2PROM_DEVICE);/ O/ I/ Y: r! `* v1 \
- return -1;- ]3 [$ D2 U6 B% ?
- }: i* j: `0 W) O, ~) |
- memcpy(mac, buf, 6);
' \1 y2 p# R& k/ P - memcpy(stbid, &buf[6], 18);
8 V% c* e5 r4 H+ ~) y - stbid[18] = '\0';+ |+ ~5 X( e5 ?+ o0 d
- : W3 n# r/ W! A" G7 f
- return 0;
8 @2 l. F6 V# q0 a2 j - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ W, c$ L7 T3 q7 R4 i6 G8 _7 ?4 Q - {
' P# n- O) P I/ q; I - int fd, ret;9 x) T" z7 |% t) a
- e2prom_s_cmd arg;
3 q- Z/ d+ t W5 }# ^3 p% N% e - unsigned char buf[0x18];, g' |3 b7 C9 f$ W
- 9 M9 y& v) i* v. T% \4 g4 O
- memcpy(buf, mac, 6);
$ u4 ^( B& W `- H - memcpy(&buf[6], stbid, 18);' v, M" Q, [) y( j8 L$ L8 J% C
- fd = open(E2PROM_DEVICE, O_RDWR);* k6 l T7 F% {
- if (fd < 0) {" D Z3 t7 v. C- C& z
- printf("Device %s open error.\n", E2PROM_DEVICE);, X. P) r+ k/ d0 C6 @0 T
- return -1;$ H' E+ w2 ?8 A* g6 M. v
- }
" Q6 a! l' M) R$ |# y; L' o - arg.sub_addr_count = 2;
( L3 n( {+ r/ u6 g* P F: ~$ A - arg.data_count = 0x18;
6 g8 G5 A- T" c; ~ - arg.e2prom_cmd_sub_addr = 0x290;' J% W* B+ @, U1 c- A9 z
- arg.e2prom_cmd_data = buf;, L6 y9 C4 J, z7 `
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; p0 M/ Y' m. V4 ~3 @ - if (ret != 0) {: o; m) J# h7 R
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 \8 G( c# z& ` - return -1;
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- / C; X4 S: M0 S e0 M* ~: z! k
- return 0;& Z @: G* |9 i8 q2 I; D
- }
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- int main()
6 g8 q5 g7 b0 g) s m - {' S" J: X1 B! e% L3 Z8 ^
- char c;
5 R0 A, y6 z! r$ K: k( w; u5 a - int i, macs[6];
9 Z! X5 P8 y; z - unsigned char mac[6];
' F$ S t' E+ o' K) j - unsigned char stbid[256];
& g) b$ F- ]- y
" S1 F3 J( q8 T' |- if (readparam(mac, stbid) < 0)
$ o- p/ ?. _' t0 f7 H - return 1;
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6 M* Q7 B( q& O- printf("Current parameters: \n");
4 h C A- c+ h- W- r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; ]( g, T$ F8 y* |+ k$ S
- printf(" STBID: %s\n", stbid);
5 j4 a! t) Z- I -
: X2 S# R9 y& ^- P7 {9 _/ ? - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ g' W: N, I3 I0 M; x
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& c( a4 c* ~, U0 Z - printf("Input MAC error\n");) L9 \2 r6 u4 Z* t: v# E
- return 1;4 M" z$ [; t4 s4 U% {; P
- }
/ _3 @+ F% Z' ^8 V- q- R - for (i=0; i<6; i++)mac[i] = macs[i];# P4 y: F; ?8 q6 U# Q& W9 m2 H
- printf("\nPlease input new STBID: ");( W8 S6 f. x1 i% l
- scanf("%s", stbid);
) e* T5 e$ O [0 q- c- C - if (strlen(stbid) != 18) { N" [ d6 r8 o7 _
- printf("Invalid stbid\n");
; A$ u' d$ X8 C/ U4 j$ f - return 1;
& v x; |) U$ O! [0 {" ` - }
8 B* _1 D! q. r/ m1 v6 _ - printf("\nNew parameters: \n");+ w3 }4 m# H/ s9 j* e8 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 F, \( K! H% Z - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");( T. P, t" t4 \2 K4 Z2 q
- for (;;) {1 L, A. _5 m" `5 l0 A+ z M3 _
- c = getchar();
2 s" P6 {, ^3 t9 C7 T2 E - if (c == 'y' || c == 'Y')! G1 z- L1 w0 L: j8 ^% ]1 M
- break;
, t3 r3 m8 q& R: ^$ T2 k: k: i2 ] - if (c == 'n' || c == 'N') {
* a+ W. n6 d7 A; n6 t4 P - printf("\nAborted.\n");9 ]% k* Y& f( S; h! N
- return 1;
; w; V0 v' F# {. _' g9 V: K - }
' j% G4 ~- K0 Y9 }) j - }
/ x" a% Q. e7 J" W! d3 H/ [0 i - if (writeparam(mac, stbid) == 0)
i& l) r2 h9 M) N: c* v# L - printf("Parameters changed.\n");# X+ k: v- \$ b/ \3 W! D- N
0 [" o* g0 |) N" {( C, S- return 0;% w# B& S, z- F' h1 w
- }
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