本帖最后由 0522 于 2012-3-21 23:04 编辑 3 X8 O. b/ k" \; h8 Y6 x- R* h
7 A1 r" J s" A+ h8 }' `, N修改的代码早有了。到今天不会编译。1 V) N( T3 }% x
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: K( o3 X4 g3 T2 p
- #include <malloc.h>8 H& Y6 q) S: t
- #include <sys/types.h>
+ b' m4 F9 U6 R5 L% K. y7 k - #include <sys/stat.h>
& G' y- ~0 p& o1 o) q - #include <sys/ioctl.h>& [% d. [0 v+ T( D1 W; e
- #include <stdio.h>
6 {7 l: _# g& o4 z9 F - #include <string.h>! ?0 W8 l- ]: A' ~/ d! X
- 6 Y |% s; I+ ]
- typedef struct {
3 S1 B/ Z! c) C: T4 ?! {. U - unsigned int e2prom_cmd_sub_addr;
0 s: {( d* v1 H0 ~, k/ C - unsigned int sub_addr_count;5 G7 D' o A1 F8 O
- unsigned char* e2prom_cmd_data;
, n- D! T7 ]+ Q- _. ^$ C - unsigned int data_count;
8 \# d+ a. l6 f* ~ - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 10 O8 w3 _7 S f
- #define E2PROM_CMD_WRITE 2
" k9 t3 E0 l; @2 O! ?( C - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"$ P/ Q2 P+ y% [2 d/ n( a$ D
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- static int readparam(unsigned char *mac, unsigned char *stbid)9 m8 C- u: L8 O! x5 x0 {" S* R
- {( k! B/ H `. y b; n" D
- int fd, ret;1 O9 P+ O; E# j/ R
- e2prom_s_cmd arg;
/ @- k) V5 M' j4 P6 e8 o |# W& t: ] - unsigned char buf[0x18];
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/ k" a; k" |0 L0 }8 E+ d* `8 M* Y; o- fd = open(E2PROM_DEVICE, O_RDWR);
* V% `/ b1 n3 I2 X - if (fd < 0) {
- u. U! e# ]: u: C& ~# ` - printf("Device %s open error.\n", E2PROM_DEVICE);9 @& Z' J$ Y' C1 @
- return -1;
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- arg.sub_addr_count = 2;. f7 F. M" N4 _6 G, X7 K
- arg.data_count = 0x18;) l; E$ D4 s8 m. M" q# U4 `! A
- arg.e2prom_cmd_sub_addr = 0x290;6 }& Y* j C4 a
- arg.e2prom_cmd_data = buf;
! h6 [4 y2 }' d) m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& y* R8 T$ a- @2 o - if (ret != 0) {+ A; [6 L* ~8 Q
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 z; x0 l4 e; G3 z: j" Z - return -1;
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6 X' G' \* a/ V - memcpy(mac, buf, 6);
, v/ R- q$ T7 A" v, f - memcpy(stbid, &buf[6], 18);! I2 ^% Q, w* u- j5 A2 `2 o
- stbid[18] = '\0';( ]$ M5 C0 X" q5 n2 z
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- return 0;3 v9 [- U4 b0 G1 r
- }
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7 B, C% f0 M4 t/ _- static int writeparam(unsigned char *mac, unsigned char *stbid)
- r1 `1 J0 j4 n4 ] - {
; z I9 l# p7 G) u2 ]3 ] - int fd, ret;. w# y& E7 A% j" i
- e2prom_s_cmd arg;
+ F$ j6 W1 K+ \* P) p - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);) P$ k3 R) Q4 M& Q: a
- memcpy(&buf[6], stbid, 18);
5 x( J. e, L! P( y) R - fd = open(E2PROM_DEVICE, O_RDWR);/ [7 G \6 B- n! q4 `$ \
- if (fd < 0) {! a% U: t, x6 Q. L, H- n
- printf("Device %s open error.\n", E2PROM_DEVICE);9 c' L3 _* ]" k) [
- return -1;) F+ o" _! W& F
- }! R6 S! P1 I; Z! S# { f; a
- arg.sub_addr_count = 2;% o9 L1 E- l6 o7 O" Q1 W$ K
- arg.data_count = 0x18;7 W8 R5 A+ m, A1 i) I4 a3 J
- arg.e2prom_cmd_sub_addr = 0x290;, Y3 a. C* q" ?: \$ z! a. E( l
- arg.e2prom_cmd_data = buf;
/ U% O& A* X! {& O0 Z4 B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 p8 Y1 J9 {8 ^ - if (ret != 0) {8 _7 H6 k+ c$ b, [
- printf("Device %s write error.\n", E2PROM_DEVICE);* L C1 h0 m% ]: M* Z7 b
- return -1;( ~* f' Y. _8 ~, o( G" J5 D& G
- }
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' d4 L% A' Z3 w8 o p O3 H- return 0;
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* v/ U+ u0 J+ i9 Y- _, I9 r& |! u- int main()2 O7 | V9 H/ x) j: X7 ^ n# `
- {& i# r9 b0 L, d; i$ m) V% Y
- char c;
W. N0 J6 p" O - int i, macs[6];7 o! ], B- c( |7 G N
- unsigned char mac[6];/ v. g! Z3 D4 c+ h
- unsigned char stbid[256];
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+ ?. Y! b0 _* f+ Y9 H+ N7 r- if (readparam(mac, stbid) < 0)
, v o; i% `( O - return 1;+ U% g/ c: ~5 O* ^* j
- 2 n2 {2 [2 l4 u! a. ~2 {" w
- printf("Current parameters: \n");
) g; f$ i I# p G6 f5 a; ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- \, Q0 s9 i) ]! t
- printf(" STBID: %s\n", stbid);
: _7 d5 o% I1 B: C9 x8 q6 w8 I - 3 T4 {) q+ ^$ i- b6 O6 q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 x4 E6 x& ?" }7 k$ z/ d - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ l+ K: J; T: _5 a4 q - printf("Input MAC error\n");
" r- f' U" {) K0 `2 e% Y - return 1;
& d: ^5 s5 @ U. _ t& f5 e - }
! h8 I! P0 V" h3 Q2 {% ^ - for (i=0; i<6; i++)mac[i] = macs[i];
3 K- ]5 d; z+ F - printf("\nPlease input new STBID: ");9 U( S7 T7 n% j% I1 Z# ]5 ]
- scanf("%s", stbid);* `/ R1 ? d+ \- @
- if (strlen(stbid) != 18) {- x) L1 H2 f2 |
- printf("Invalid stbid\n");& ]. [0 ?0 W# P" R8 u. G
- return 1;
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/ P. x3 h7 m, a) A - printf("\nNew parameters: \n");) Z, W8 |/ H1 l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 Z6 c5 V$ k0 D - printf(" STBID: %s\n", stbid);: Y( m3 r( q6 J9 x( i( j
- : X7 |3 j1 Q2 A- c& W5 Z
- printf("\nDo you want to change paramemters? (y/N) ");4 ~# F6 U* [$ K
- for (;;) {5 I+ }& j+ e( e% |* V8 e& V) M. X& k
- c = getchar();
: k& R8 O- P' R; N+ { - if (c == 'y' || c == 'Y')
0 x3 N" ^8 D" j - break;
1 w7 N1 E/ o. L& [ - if (c == 'n' || c == 'N') {2 G$ }! \1 I( A7 Y( G6 V+ K. i
- printf("\nAborted.\n");
9 Q0 R9 {: G1 }) } - return 1;
8 e9 Q+ F- O( N - }
% j7 F8 J0 M& V - }
1 y" M( P# _4 }& }5 w+ E - if (writeparam(mac, stbid) == 0)
! P; ^6 X1 B" M - printf("Parameters changed.\n");6 {/ H! a: h: Q6 @) j2 V6 C1 j5 m
- 6 P' i( K4 c% m, D5 P7 i' e
- return 0;
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复制代码 |