本帖最后由 0522 于 2012-3-21 23:04 编辑
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9 `3 E2 m. Z% o8 f: f! i* }, N修改的代码早有了。到今天不会编译。( B4 j* ^& F7 @; Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 f& E4 t, v% N+ c- s( i! r. I/ B - #include <malloc.h>4 @) C/ J) B. D; E
- #include <sys/types.h>
0 {7 r- s/ g1 U1 }- o& z* A - #include <sys/stat.h>
: S" L$ p9 \0 x6 y - #include <sys/ioctl.h>
" \4 W ^5 d2 g! F3 L1 ?' s- k - #include <stdio.h>$ c: q9 }/ H z1 p2 L
- #include <string.h>; G4 Q; ?9 [; g m L: g( R- o
; J. o6 d7 H- k6 G0 V5 k U- typedef struct {, x, w+ ]! `5 m- V
- unsigned int e2prom_cmd_sub_addr;
" x2 l4 M- p0 F9 Q! n3 O( F. e - unsigned int sub_addr_count;
/ ^. G* S! _" R0 f - unsigned char* e2prom_cmd_data;4 `- g4 c$ p5 S, @/ Q8 x( W
- unsigned int data_count;
% q" j8 A. Y4 I# C4 O9 y: {* L - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1+ w1 _% |9 X3 J* U6 w3 m s) l! a7 n
- #define E2PROM_CMD_WRITE 20 r0 {( D" L; i) E$ C6 p& a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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5 R. `+ {' y( j$ }/ B+ y5 A3 T- static int readparam(unsigned char *mac, unsigned char *stbid)9 ~& O+ I" ]" x7 C0 H; `) {# h
- {
$ F2 @1 Q( f3 L6 @4 K9 ~ - int fd, ret;
6 J$ C7 p! p3 c - e2prom_s_cmd arg;& i, X& R$ m \ Z) k* a1 N' c$ v
- unsigned char buf[0x18];
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2 r& ?( x: ]9 d( ]) ]- fd = open(E2PROM_DEVICE, O_RDWR);% [" l- r* \1 B) R" R* g
- if (fd < 0) {
0 |1 W- X4 N- n3 X! w% y5 k - printf("Device %s open error.\n", E2PROM_DEVICE);
8 _ t6 r# L3 f. ?, a - return -1;
4 J2 G+ p' Q0 \ - }
. r' t. e: U. m# y! Z" c a - arg.sub_addr_count = 2;1 D( _( S \& I1 R }3 x [
- arg.data_count = 0x18;
5 _- z6 I; R. J - arg.e2prom_cmd_sub_addr = 0x290;8 ]6 U5 S J1 ]' B+ n
- arg.e2prom_cmd_data = buf;. J: a- I2 N2 E* w+ C0 q. T. @
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 r- p; Z* n7 \* W" v' \- p( A - if (ret != 0) {
+ B7 A* n. l( _+ w9 Z - printf("Device %s read error.\n", E2PROM_DEVICE);
/ ?1 s# D* _0 k: \ - return -1;& r- G( ^% b8 G+ e% K1 m
- }
! F {. F% D+ @5 [2 k& e4 w - memcpy(mac, buf, 6);
6 \/ c9 X# ]1 P5 X% G6 {9 ]1 m - memcpy(stbid, &buf[6], 18);% u7 i0 }) b. Z1 _7 e: W6 G3 _
- stbid[18] = '\0';" ]& T& G O/ h" p- G
! s' D% Q' Z& Y/ ~1 K- return 0;& i9 A, A0 G4 H7 L: u" d* P/ |
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid) i/ V9 S! w' I- P. s. ^) {, z
- {
_9 N& X4 }3 l' q - int fd, ret;$ G ?6 J+ n9 l5 d5 _
- e2prom_s_cmd arg;) b; S; o3 i! P8 n" q4 B( |, N
- unsigned char buf[0x18];
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# g6 x; h* x* h* k. s2 Z4 K- memcpy(buf, mac, 6);
0 V Y5 K" K% p9 |4 a; o - memcpy(&buf[6], stbid, 18);
+ Z; `/ n8 C6 ^9 t) ^ - fd = open(E2PROM_DEVICE, O_RDWR);
2 r, r7 v* t. v# |' u/ ]1 ~ - if (fd < 0) {
8 a v; y# W3 Y1 n* q8 ?+ D - printf("Device %s open error.\n", E2PROM_DEVICE);0 G. O" X- D8 c6 q' s) K }
- return -1;
8 v8 _0 \; c; Y# P" g2 V% M - }
) B1 J6 p0 `# F% D - arg.sub_addr_count = 2;
1 D6 p0 H: F- `/ U5 a2 s - arg.data_count = 0x18;- I. d D0 X6 s) G
- arg.e2prom_cmd_sub_addr = 0x290;
5 R7 f. @4 ]4 }/ @7 W1 P - arg.e2prom_cmd_data = buf;
: A0 m& S) X0 X! J, z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( Z) Z) u5 C+ H- `( \: d - if (ret != 0) { J1 K, l7 L [, F
- printf("Device %s write error.\n", E2PROM_DEVICE);! E7 V( v, {2 Z, q. z
- return -1;
- @! ]$ ^. _; ~' J0 F. w6 I - }
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- return 0;# M# D# U: x2 J# A
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- g7 o; l: B. Q+ |' @- int main() C7 r0 ^5 T4 H3 d- N
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- char c;
1 ^! U; {5 N- N2 Y6 V - int i, macs[6];
6 j7 i8 `' q( T) K2 O - unsigned char mac[6];5 B; X5 k8 g# y) u; Q+ m( x
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)7 W$ B; F! E& `* t6 D5 n H$ n
- return 1;. H9 K9 U6 X% l0 ~' [4 m
: t* ?% s3 n$ j% k7 a( c) C" X0 O" s- printf("Current parameters: \n");' Y/ Z$ ?1 L }: @) [7 E6 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 z3 A; J& M1 J6 J: D3 {. x
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 o2 T9 n8 A" C/ L1 {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; J& R3 p* I! D& ]
- printf("Input MAC error\n");
. w! b* j& h# O7 Y! t& | - return 1;% k ?' Q6 X0 q3 B7 H0 m* n
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- for (i=0; i<6; i++)mac[i] = macs[i];7 c l2 ^( F/ \# O3 T# f5 ^( Z
- printf("\nPlease input new STBID: ");+ Z" A9 T4 f* Q0 T6 R
- scanf("%s", stbid);
' _' O/ p/ b4 ]& J - if (strlen(stbid) != 18) {4 m4 H+ O: y* m8 m8 f4 W% X9 J
- printf("Invalid stbid\n");
0 K8 V6 u8 E) C( V9 y# O4 Y - return 1;
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- printf("\nNew parameters: \n");, z/ Q/ h7 o9 W8 J5 G: W8 v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); j$ q7 l g2 {0 p6 {
- printf(" STBID: %s\n", stbid);1 M( N" V& @7 ~! i( L. |4 |
' Z0 e* \$ u& ]0 f! E& Z6 w- printf("\nDo you want to change paramemters? (y/N) ");
) p J, Q" B# d0 f - for (;;) {8 u# I' R! H, v" I8 {* _4 \
- c = getchar();
) K5 n( y: a- M - if (c == 'y' || c == 'Y'). V1 @5 r8 l* z( P
- break;
: b3 m+ [ S, f. c$ ?1 k - if (c == 'n' || c == 'N') {
Z, c5 V3 ?9 N5 O$ R6 i - printf("\nAborted.\n");
9 I# c1 m" U8 Z) a - return 1;/ C8 k2 S1 B7 A% I# n
- }
) q! R4 T6 Q. o/ g) L1 b0 q - }) T3 x7 Z) B; x/ A( i+ X# ]4 Y: {
- if (writeparam(mac, stbid) == 0) 0 \' k2 }( s1 ~
- printf("Parameters changed.\n");. }9 O8 n/ K, J. i: @2 i
- # d$ r7 H' t( J& s
- return 0;
- f0 s+ i: a+ \1 e2 Z+ q$ F - }
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