本帖最后由 0522 于 2012-3-21 23:04 编辑 - @! F/ k5 I7 u7 E8 g% O9 |; n; V
8 J. M2 G* u! L7 }修改的代码早有了。到今天不会编译。
0 G$ C2 N( a5 S& Z5 l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 j* K; n4 K$ p' D/ @ - #include <malloc.h>+ i1 I( A3 Z# }) {* A5 B
- #include <sys/types.h>
7 N# w4 n7 X4 W! I - #include <sys/stat.h>
9 U, q: Q T$ a4 G6 a' P0 d - #include <sys/ioctl.h>
. |, _* k5 n8 D7 n4 A* G L - #include <stdio.h>
# Q z8 [- b5 A& O$ n - #include <string.h>
# A: @4 A# x" M( P r - 3 l$ v. z y8 ^8 `- c) l
- typedef struct {9 n9 X+ f. w* c8 \$ H% q j
- unsigned int e2prom_cmd_sub_addr;& Y8 f7 t" r3 Q$ D1 X. |8 [+ \
- unsigned int sub_addr_count;
h- v/ }7 h+ O - unsigned char* e2prom_cmd_data;, T0 H8 B, Z8 o
- unsigned int data_count;' G! E6 `% f4 \5 d& q# L0 o
- } e2prom_s_cmd;1 @+ s8 B9 U+ `. O" F) r0 r
3 H/ a/ Z1 ]- p- #define E2PROM_CMD_READ 1
( T& W0 G Q# l7 `( b1 l9 x - #define E2PROM_CMD_WRITE 2
9 t4 t5 q. h' |$ e! T5 t D - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; h L/ A5 y; N
- 3 @, \: Z4 u; J, {- L* l4 U
- static int readparam(unsigned char *mac, unsigned char *stbid)1 o/ T' R& z2 M( r$ w6 C
- {
& \ J7 p- I M - int fd, ret;) B& _2 B! [& J$ |" g
- e2prom_s_cmd arg;
' |$ Q2 i2 R& a2 z; ` - unsigned char buf[0x18];# q/ c+ [/ w; F5 e/ \% m4 g
- 7 [: |6 ]) o: z
- fd = open(E2PROM_DEVICE, O_RDWR);
4 u/ F! q, T+ X; i - if (fd < 0) {
+ z8 `" R8 N2 H- A: S( `* g - printf("Device %s open error.\n", E2PROM_DEVICE);
# }$ H% \6 P R, j' a - return -1;
- A% u. K9 C. V8 x# p @. w - }
* t0 E/ l* M; P- M - arg.sub_addr_count = 2;
( r. } p& B0 j: i, F - arg.data_count = 0x18;& h" P1 e! {% q$ d! E8 [
- arg.e2prom_cmd_sub_addr = 0x290;
( s/ f9 d, _1 L, U) f; f - arg.e2prom_cmd_data = buf;( k- X4 N: }7 P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% X3 U) k0 O) R1 {
- if (ret != 0) {) F4 d% d: |! l+ F# s' t; f
- printf("Device %s read error.\n", E2PROM_DEVICE);" k* m2 p" i: j+ T7 ?
- return -1;- P3 z$ g3 L/ u
- }4 u4 m' k; i4 u- i4 e/ ?4 f( T6 F
- memcpy(mac, buf, 6);1 |3 i9 K R: [, V. s/ ~
- memcpy(stbid, &buf[6], 18);' Q: | _% ^) ?7 ]4 k1 u9 z
- stbid[18] = '\0';. q1 m. G3 ^! x5 z0 \
) J2 K0 ^; T! u- [3 }2 x- return 0;6 o" t" J9 G( ]1 u2 D8 a/ P% o5 U
- }' U* T+ {2 ]0 Z; b
, `7 g X" C+ v1 F, ?9 z- static int writeparam(unsigned char *mac, unsigned char *stbid)8 o" \; X& c6 q+ W- E+ p5 h
- {9 Z# T$ S' m- v! B1 C+ t
- int fd, ret;8 e0 h3 m, x4 h8 R
- e2prom_s_cmd arg;
/ W$ q8 J a3 C - unsigned char buf[0x18];
: p+ O# R4 y0 e% j. `0 [: ]3 a - ) [; k& ]/ t8 v
- memcpy(buf, mac, 6);
2 t+ v0 h: Y+ b/ F) z) l - memcpy(&buf[6], stbid, 18);; i" F$ H0 H( |+ o. r3 F
- fd = open(E2PROM_DEVICE, O_RDWR);/ k' i3 r% U Q5 s! w& k, \' j
- if (fd < 0) {
9 Y% a- j3 Z8 t% }. g# P5 q - printf("Device %s open error.\n", E2PROM_DEVICE);
1 ]. f$ s! L0 Y* d5 O* m6 U - return -1;
- D1 Q! u) P8 I- t - }9 p- E# Y' r2 Q& b: l$ N
- arg.sub_addr_count = 2;
+ y" D. y% q& E2 M. j. N - arg.data_count = 0x18;
$ k3 E2 v o% T* r0 R - arg.e2prom_cmd_sub_addr = 0x290;2 X) C; |* J2 @
- arg.e2prom_cmd_data = buf;3 s( E1 y) r2 M; {; l% Q2 y% o/ M
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" z' w* v- h6 M ^5 A6 n( l) [$ ^ - if (ret != 0) {
2 U4 s _; Q: b# C - printf("Device %s write error.\n", E2PROM_DEVICE);6 j) O, s2 W) F% K
- return -1;
6 L3 e7 d: N! y6 r. d8 ]1 I* y8 Z - }( _7 E# H; ]& W( f9 F1 f
/ ^4 b/ z% a9 S/ _# D& H1 U$ [- return 0;
& q" v* r d) b: l* s* x' Z - }
2 L3 a) Q0 P( n$ C& d0 ], e' P - ; _2 i: P1 W* ]' ?- E9 ^' @( b" `4 Z
- int main()0 [- i, U" R; D7 O$ Y9 \" P
- {5 [8 T9 v, _7 F4 B" w, Y: L% }1 a
- char c;
& b% ~- C% w: W ~+ g5 H* {( `2 n - int i, macs[6];
1 n$ j2 C% N+ ?( M0 P - unsigned char mac[6];
! C' ~. j1 v* U0 _ X+ q' W - unsigned char stbid[256];
6 H+ O; }. m. S6 Y/ @
& X6 ]$ |% t7 d0 Q! h1 x- if (readparam(mac, stbid) < 0)
/ k7 P$ u0 t2 `% t0 f - return 1;
* n7 O! P. L- E9 q: {/ Q c
7 k7 G, y+ z5 e9 J6 k+ l- printf("Current parameters: \n");$ y+ H; x$ y8 a5 w" W5 M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
Z$ g6 n9 y1 a - printf(" STBID: %s\n", stbid);
. h) |% p- V) `+ {# \6 O: K - 5 i% O t+ V" U: @/ n% n
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% W' d) B' Y0 I) F
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ V) d$ ?' O7 f& x' b5 b
- printf("Input MAC error\n");( n: b/ u% r" q% @9 n
- return 1;, ~6 i8 D0 a& ~; f
- }
2 [! Z% |, ]; w2 _% v9 K* n& e - for (i=0; i<6; i++)mac[i] = macs[i];
4 [* K. z& ~; ^! ~7 u6 o* E+ R - printf("\nPlease input new STBID: ");
, g, p* x1 } Y - scanf("%s", stbid);! O4 r( b, c o# F/ l8 b
- if (strlen(stbid) != 18) {
5 |1 Y0 Q0 Z- w - printf("Invalid stbid\n");
- ]6 Q: H4 H; |6 M t7 J* v - return 1;2 l2 a+ f/ r3 R9 I
- }8 a5 t7 k( ^: l# r p
- printf("\nNew parameters: \n");
! Z; O% A% ]& S0 d1 A! {4 W) s - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 o" V0 K. [2 Y7 {' G# u5 H
- printf(" STBID: %s\n", stbid);- ]3 S, K% F& w- b q
. m3 e% o$ R9 _! z- printf("\nDo you want to change paramemters? (y/N) ");( e, L( u2 V2 y( m1 ^9 f
- for (;;) {0 ~1 _2 ?- G5 d+ V" E( v
- c = getchar();
k. V6 j* x, P( t - if (c == 'y' || c == 'Y'); E. r5 w, Y! M# Y0 s
- break;
, o+ o- {0 O5 Z - if (c == 'n' || c == 'N') {' T8 e, i& o$ P- @) x6 E
- printf("\nAborted.\n");
' e, k" V% B: ^. D5 a - return 1;4 ]2 s3 v7 D$ L
- }7 R5 k, v1 T. |4 `1 D' X
- }
$ `; _1 ~7 |6 g) D5 x, e4 i. N1 ~ p - if (writeparam(mac, stbid) == 0) 8 F' q# I5 c' @6 V. o3 m5 m; f7 M3 a
- printf("Parameters changed.\n");( e6 X* {/ @9 z R# ^7 S8 C
0 F& k* M- g0 d/ r4 U$ ~; z- return 0;& u% j' T; `2 i
- }
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