本帖最后由 0522 于 2012-3-21 23:04 编辑
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* k& g+ M+ x+ \8 a( y* R% ?2 u修改的代码早有了。到今天不会编译。
) p! x6 H" v" S0 |% s/ {- j2 v! S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ }$ o) L* e- }% W - #include <malloc.h> ?" ~( S6 W. y* {! M/ O! u
- #include <sys/types.h>
6 I8 L; I# L6 v: v, G - #include <sys/stat.h>+ d- A' F9 p3 o. ?" t, ^
- #include <sys/ioctl.h>
, q0 d E% q. u/ L - #include <stdio.h>/ E; J) P* R- I
- #include <string.h>) t9 w; @- I# O3 _0 r/ {7 Q
" B3 L$ p% {! h. U- typedef struct {
' r; c0 @' D6 @2 d - unsigned int e2prom_cmd_sub_addr;
+ O7 f, g- C0 ^ - unsigned int sub_addr_count;
8 l4 n$ D) h! T5 D% A' z - unsigned char* e2prom_cmd_data;
. I0 D' e) K; [$ T! A( I6 m/ T( O - unsigned int data_count;1 A% l; A8 [$ _
- } e2prom_s_cmd;
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+ w, E9 M. W0 ]6 C% \* }) B. a- #define E2PROM_CMD_READ 1
8 I5 h2 s8 H/ T9 u2 D - #define E2PROM_CMD_WRITE 2
# B) A" m, H( c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
7 q9 V5 `2 b, U. |1 I - ) v' k1 B$ j" x9 I$ a; {
- static int readparam(unsigned char *mac, unsigned char *stbid)& D- N( K$ G( Q5 S3 I% l
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- int fd, ret;
. |8 Y6 J$ A g( p8 Y - e2prom_s_cmd arg;( N4 V8 w/ i! d! t! _- g5 l1 {
- unsigned char buf[0x18];
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K7 v2 S- c# I6 Y7 b8 ^+ C- fd = open(E2PROM_DEVICE, O_RDWR);3 I$ G$ B; @8 Y* G0 ]5 X3 v
- if (fd < 0) {
|/ U' j8 z% U$ l$ M - printf("Device %s open error.\n", E2PROM_DEVICE);
1 k" Z, h" U6 ? - return -1;9 ?% ]" w" I) x. |, z% X
- }
' K" T3 B3 K2 Z9 I - arg.sub_addr_count = 2;$ }! w, [! E. R6 T, ?( T3 k% ]
- arg.data_count = 0x18;
; p; U9 ?1 r" b1 d7 o. [7 y - arg.e2prom_cmd_sub_addr = 0x290;
% T2 ]% X* r+ N' q* S - arg.e2prom_cmd_data = buf;% X/ @$ d' E# N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. s O& x; ]- h7 W - if (ret != 0) {
2 K' L, l3 }; n a. O, F# E - printf("Device %s read error.\n", E2PROM_DEVICE);8 G; O0 r$ b) ?! d1 H
- return -1;
3 e6 w. n# `+ } - }
, ^- r3 }. A. I3 K) T) ~' M - memcpy(mac, buf, 6);
7 E& f1 z; s5 x - memcpy(stbid, &buf[6], 18);: A) i/ _- h. J/ k8 P' B% C$ I
- stbid[18] = '\0';
0 Q3 x0 R5 G8 r) d$ u& d - ' {3 E# q9 Z: p$ x% [6 [0 q5 N6 ]
- return 0;0 e! d) w2 X/ [4 l
- }( O& N% N, r$ K9 a* `* |
3 }' w0 l/ X8 E- I2 I" W- static int writeparam(unsigned char *mac, unsigned char *stbid): k: W+ {6 ?$ S' i
- {5 G& t# ]: J! c: j! j0 ^* ` z% E8 A
- int fd, ret;& c% N' t( j- T# Q G; [ ?6 U
- e2prom_s_cmd arg;
* A% [ W: q* O, q1 q' a8 D+ i: P - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);/ D1 Q- O1 X* ~; Z( |5 P
- memcpy(&buf[6], stbid, 18);
; F! K, m" K: R9 i* l' Z, h z - fd = open(E2PROM_DEVICE, O_RDWR);
n& y3 ^8 Y0 P - if (fd < 0) {
; j. O$ w1 ^' `7 N4 |+ Y" u - printf("Device %s open error.\n", E2PROM_DEVICE);
; Z! o: G3 ?5 N - return -1;% i# S7 P: {" Y9 `- N6 d) X
- }
4 A" | n/ q4 N [$ d. R8 m - arg.sub_addr_count = 2;" ~- T' p6 F" E# `2 Q; b6 q* d
- arg.data_count = 0x18;
0 w$ c) _. X6 H( y# H* _- _, j) p - arg.e2prom_cmd_sub_addr = 0x290;$ @& Q6 `" n4 y/ S. E( b' R8 ]0 z9 d
- arg.e2prom_cmd_data = buf;
( S/ U& \( u8 K: a4 v4 s - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 g" X: C9 F1 n0 F7 D, `
- if (ret != 0) {. P8 m: w$ E! a; w
- printf("Device %s write error.\n", E2PROM_DEVICE);
% Q8 h- ~7 m; Q* h' Q" o, d - return -1;6 u5 K9 O" p. Q, n* N( f+ `& R' I
- }
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- return 0;
: {4 ?9 s9 v4 s9 v: ]$ f3 X - }
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- int main()
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- char c;
* j' v& w; d' ~! e - int i, macs[6];, A$ }, \& e1 c, y5 a& z
- unsigned char mac[6];
) ?% s) D, B6 P8 s - unsigned char stbid[256];# L% v c0 S7 N k& Z
# n/ b9 T0 s, u! x: c3 E- if (readparam(mac, stbid) < 0)
; w' x. O9 u6 [, v, r" |+ C; A - return 1;: f! Q+ o/ g8 J" D, l
- ! J7 R7 y/ G2 o& N' } i3 U& B
- printf("Current parameters: \n");% N8 f* n" J6 {) L& M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 Z" x1 m6 p% V) x/ S
- printf(" STBID: %s\n", stbid);8 C5 ~* U7 n+ R e( N \# ]
-
" C4 N' z. U( }$ S/ m2 R$ [& E - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
B/ e3 Q+ b- n8 T8 v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* {( f7 L8 L+ a8 u& `: u5 Z' [ - printf("Input MAC error\n");. P( q6 B( A R0 Q$ D0 \
- return 1;
: g4 w# A; g! F+ \0 P - }
. ~3 x6 l. c3 e, a+ W* q( o! _ - for (i=0; i<6; i++)mac[i] = macs[i];0 x8 @; L' |9 ? h' X& G0 y
- printf("\nPlease input new STBID: ");6 T; ~ V4 y# g$ W' e
- scanf("%s", stbid);! y( g4 Z$ A+ L7 Q1 Q- Z, m
- if (strlen(stbid) != 18) {2 ] _! O+ K- b/ Y* U$ I
- printf("Invalid stbid\n");
9 v! T. r/ @1 v4 F% A @4 { - return 1;
- k) E: B/ C% y v; T7 Z: M - }
3 R9 ~+ I5 Y/ n, e - printf("\nNew parameters: \n");" C* |( w$ f8 Q4 L' H) a* c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 M6 P* {; q$ _7 f
- printf(" STBID: %s\n", stbid); W+ G& M* G7 P
" [4 c8 z" f- N. q4 j9 o2 B1 c5 C- printf("\nDo you want to change paramemters? (y/N) ");
6 P5 Y5 V' ]; Z* q+ |* N - for (;;) {. `: F$ e) x- v$ D: l
- c = getchar();% M" z. V( s) h5 @ a
- if (c == 'y' || c == 'Y'), b8 n6 b" Y8 g6 G
- break;
* B/ h% x: l0 L1 p d. H6 j - if (c == 'n' || c == 'N') {
5 U# x4 B; S5 P3 I! `3 q/ N3 e - printf("\nAborted.\n");
; c l% Z0 D5 |" I8 M - return 1;- `* `) P( u" o, W' w
- }( D4 v5 J% B- X( {6 l4 v
- }
/ `7 \2 o$ T3 q N5 t+ n4 m - if (writeparam(mac, stbid) == 0)
: W1 {- E( S; o/ M0 n* |$ j - printf("Parameters changed.\n"); B) I! i. d1 E' n7 B! l
- 7 \6 q$ c3 b7 A* Y
- return 0;
, J: s& K6 H' l8 A - }
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