本帖最后由 0522 于 2012-3-21 23:04 编辑 ) e1 R6 L0 O5 t+ h% ]" }: K8 b' u
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修改的代码早有了。到今天不会编译。
* p8 Z7 e, }6 b& _( \需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 P( y2 z' C# ?/ {
- #include <malloc.h>
- c# X/ w; V5 k0 y9 U$ j - #include <sys/types.h>
3 J! l- `9 |2 G) {* H$ L - #include <sys/stat.h>
& k* x8 M% v; W, u! ]8 m! M5 M! b8 ^ - #include <sys/ioctl.h>+ e7 Z# D* h2 Y/ r
- #include <stdio.h>. x# c5 S! J) b1 o. G4 k
- #include <string.h>3 x8 ] c! I8 N
9 f5 V: H5 m! f, c: ]4 l- typedef struct {
D6 l* i* p: L" M. ]6 D+ k - unsigned int e2prom_cmd_sub_addr;
4 G! C( b: C: ]9 ~" H$ x - unsigned int sub_addr_count;
5 t3 p4 p$ J0 I - unsigned char* e2prom_cmd_data;
& B- U! J' p; ^( } - unsigned int data_count; \3 O5 M2 h6 M: N( P
- } e2prom_s_cmd;
! L' d- [7 i8 A+ P9 E
& J7 _: Q, s7 I2 X- #define E2PROM_CMD_READ 16 ]1 J% [4 K% X6 O! X7 ]
- #define E2PROM_CMD_WRITE 2
6 z- {1 L/ k8 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! k O( R: \6 I$ V4 v
- ) n7 a+ w" V, }
- static int readparam(unsigned char *mac, unsigned char *stbid)/ v- E! F% Y. \( }# s% d9 ]
- {- P* V+ G" L) V6 Q1 \( p
- int fd, ret;
# \+ o8 ~3 X2 \ - e2prom_s_cmd arg;
: F; a* l6 \2 B3 P - unsigned char buf[0x18];2 H7 s5 ?5 X2 w# q2 J, Q" a3 \5 E) v
7 R: o1 I9 i- ^8 b- e- fd = open(E2PROM_DEVICE, O_RDWR);
! S$ Y8 T3 ^. }3 d }5 [ - if (fd < 0) {
; A& D' ^5 S# z0 k& P - printf("Device %s open error.\n", E2PROM_DEVICE);, i7 C" @/ K7 \. s1 p: {/ V
- return -1;3 O; B0 v$ t- a1 b9 v) @" c
- }5 { C! j& w3 x8 Z: I) p; W; n
- arg.sub_addr_count = 2;& x3 t" \3 Y+ A
- arg.data_count = 0x18;0 g$ H o6 O, V- O0 T
- arg.e2prom_cmd_sub_addr = 0x290;
7 |9 A! w3 C. I5 M% H - arg.e2prom_cmd_data = buf;
( ]2 A, M8 z* a5 K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
a, P0 P: E" \" ?! g2 N4 I2 k# h - if (ret != 0) {& F& W% s. p: {) ]) v5 S. A
- printf("Device %s read error.\n", E2PROM_DEVICE);
: i. q- B; k' z - return -1;
# ]6 X3 H& H- O3 I1 Z. Z; n - }/ {8 e. d4 u/ q/ A/ D4 L
- memcpy(mac, buf, 6); V9 B) d. n1 u; H m d Y
- memcpy(stbid, &buf[6], 18);! c1 g, J; x/ S: Y; {" d6 y; i
- stbid[18] = '\0';& D G1 t% [$ }1 k. _- n. ~
2 k/ z) g0 D2 ^+ m- r- return 0;
+ u$ V& h$ P8 M: G' C4 ` - }/ V" h" V, w$ n. D
" S. f7 E' e, E2 T( C8 y) A) }- static int writeparam(unsigned char *mac, unsigned char *stbid)5 Z1 A$ b8 U* u8 I% e# H6 V4 ~. M
- {
+ L$ ^- K) c1 T& W% ?/ U: \ - int fd, ret;
1 X# j1 [! r1 H9 w - e2prom_s_cmd arg;- T i/ b+ o& I2 r0 T" x/ H% h4 K
- unsigned char buf[0x18];# X) `" m; D' F: _2 _ G4 b6 k
- & y) U) J; j6 ~' y* o) v
- memcpy(buf, mac, 6);
* K, X' U1 o$ [: X, [% w7 D9 ? - memcpy(&buf[6], stbid, 18);+ i: i9 ^0 O, d1 r
- fd = open(E2PROM_DEVICE, O_RDWR);" o+ b7 N$ A3 C0 p* B
- if (fd < 0) {
; D5 g3 A8 |+ c' z+ D& E2 P" H$ E - printf("Device %s open error.\n", E2PROM_DEVICE);
* n; ]1 d, b1 j! R, | - return -1;
' C/ [/ C: W5 S! V1 ~! R - }& {9 ?& P, l0 ` Z# ?6 G
- arg.sub_addr_count = 2;9 d! e' }* Y9 s Q8 \8 X( E
- arg.data_count = 0x18;6 ^( A k# T% {- H. V H" X6 E
- arg.e2prom_cmd_sub_addr = 0x290;
* } b- t5 H7 c# v - arg.e2prom_cmd_data = buf;
9 F) q& D( J6 h3 X! _/ j6 ^/ d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 d0 T5 E/ v8 x; {9 o" V - if (ret != 0) {
$ d) O4 l0 C0 @4 i4 {/ u& A - printf("Device %s write error.\n", E2PROM_DEVICE);, m! Q: m8 f4 \/ G. z! T
- return -1;
& @& m* L" q- {; j. ^- @3 k7 ~ - }# H0 U% O& a) s" |- g/ u
+ ]7 j$ V& z% ^- return 0;
' y) n$ C9 k% S& c) J2 T6 e - }6 m& o Q+ E) {# q3 ^ g3 g) ^
8 h; g6 r" X# B3 j& j- int main()
\/ R3 T8 M7 y7 N/ [: C% n - {5 q. }/ W' e- q. e- |( Z
- char c;" `, }, w7 M" [) Q
- int i, macs[6];
% f4 s; E' W4 m [9 S9 H1 B - unsigned char mac[6];" R! ~ G" W; G) h. ^: v3 J1 y
- unsigned char stbid[256];* u; y& Y; C: S* w: {/ X' L
- + q6 P/ A1 U9 X0 C3 ^- B t
- if (readparam(mac, stbid) < 0)0 K4 U. H. G; r6 ^" H9 b
- return 1;" f. j0 O* {) a. c+ I/ x( t
u6 {- W/ j, b E5 E7 |- printf("Current parameters: \n");, \% C, T4 I1 g) I3 `$ y& X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) a. s' B- f8 f' s% K9 k7 X. d+ F
- printf(" STBID: %s\n", stbid);. s6 F8 h+ O) s+ c! `1 V
- & o0 e+ {7 g8 c2 E/ `5 N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 J, n& Q$ O6 c- Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. ^+ [3 p" J3 \+ ^/ j
- printf("Input MAC error\n");
+ f, o# S5 c { - return 1;
J; Y3 B( C* N, A2 i, M; s5 C1 B - }
- q$ a& z. E* z: E* [' x - for (i=0; i<6; i++)mac[i] = macs[i];
$ a: b! i3 Z" V0 S; b& i3 k - printf("\nPlease input new STBID: ");
" K6 b% V/ T7 W4 G- P - scanf("%s", stbid);
& `) j$ g, T) L/ Q7 l' Y - if (strlen(stbid) != 18) {# q |$ Q9 X4 y
- printf("Invalid stbid\n");
2 V% N7 f7 X' x8 i7 i& A0 j, o0 r - return 1;+ M1 N- A4 a5 l5 c
- }
+ F! e& S/ @3 A' v7 N, K - printf("\nNew parameters: \n");
8 s9 C* i0 k% e( B M- ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); j/ k; h' ^/ n3 D4 V
- printf(" STBID: %s\n", stbid);3 s; g% @$ F1 K( A% V
- * [( e: K) J! s3 Q( ]& D
- printf("\nDo you want to change paramemters? (y/N) ");
) `7 l! v1 G4 A - for (;;) {
- ^$ r! q5 [2 g4 P2 l - c = getchar();
& G% I3 f4 D. z8 f6 G# C - if (c == 'y' || c == 'Y')% t! i8 X P- L
- break;% i5 \8 r7 U' [6 M3 I3 R
- if (c == 'n' || c == 'N') {
6 P4 P" U$ ^5 c8 z% |5 l - printf("\nAborted.\n");
; h/ r, ?( K" p& y3 w( A - return 1;
$ i/ {- n9 ^( T) F& O - }
6 K$ g+ `+ F9 f' k; k0 O, w/ g - }3 G' J! }# w2 \: u6 f
- if (writeparam(mac, stbid) == 0)
8 n5 S& s4 \% w% }9 ?- p8 `6 |' e - printf("Parameters changed.\n");# O$ Q3 ` k$ b8 V) g7 }; I
2 \; L) { j( x3 y: s- return 0;3 k( W: W1 h; _+ S7 m: C. J. d5 e
- }
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