本帖最后由 0522 于 2012-3-21 23:04 编辑 - O0 T8 T* g: _1 b
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修改的代码早有了。到今天不会编译。' g' o/ T( z# F0 S( U9 ^; W3 U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- z0 |' n- {5 U2 |6 O& y( {; V/ {
- #include <malloc.h>- T6 K$ \+ o0 y) v
- #include <sys/types.h>" M- |+ v# Y6 h+ ?. g- d
- #include <sys/stat.h>
/ Y% b3 N' T! b0 N, @ - #include <sys/ioctl.h>+ b; o7 u/ p8 l) X% b- |: o
- #include <stdio.h>* R& K1 a4 A" P: M Y# [! A
- #include <string.h>! i4 B# ?7 s I, z2 u( D- s6 b
) G6 J P9 i+ S5 |: X, h; r- typedef struct {; @& Y7 `+ u) K$ Y7 L
- unsigned int e2prom_cmd_sub_addr;
+ Y, C* w+ J% z O; b - unsigned int sub_addr_count;
* n- t* T- J- i) j/ D& k - unsigned char* e2prom_cmd_data;$ r+ p- o E6 X3 ^& W1 i! C
- unsigned int data_count;3 H0 s( S9 e( ?- v# L* `, E+ q
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
8 m7 @; i/ I. t$ l7 b - #define E2PROM_CMD_WRITE 2
# ~3 `) e4 s5 O - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% g& Q4 L* g! } I- k
- + r8 F# N# ?1 J9 Q
- static int readparam(unsigned char *mac, unsigned char *stbid)
) ?2 M6 K2 G: n! T# ^; _7 e1 V - {
2 C% k: S, w9 `8 { - int fd, ret;
. F& v. R: z d5 Q/ \ D/ v' t - e2prom_s_cmd arg;
6 q" k; W5 a# v# `6 g - unsigned char buf[0x18];
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, a& o2 n& ^7 Y1 r5 X3 P- fd = open(E2PROM_DEVICE, O_RDWR);) e+ P& `7 d v* \& [; f
- if (fd < 0) {
* F2 N( J7 P6 i; ^+ \8 \* b - printf("Device %s open error.\n", E2PROM_DEVICE);5 R* w9 p/ i7 m& x: y
- return -1;
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- arg.sub_addr_count = 2;
' T. k( c3 g! f2 R+ r6 v - arg.data_count = 0x18;
2 K7 T0 Z% A& Q" v0 D7 m - arg.e2prom_cmd_sub_addr = 0x290;
- {) S( ?: b8 i% i - arg.e2prom_cmd_data = buf;$ j! T8 a) b& o
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); ?7 v' f+ T2 ]' W7 T
- if (ret != 0) {
; }! S6 k6 O# E: H8 K. L% { - printf("Device %s read error.\n", E2PROM_DEVICE);7 Q3 W. J7 @8 M; T" l
- return -1;
( U1 @ O& w s+ d5 _$ I4 b - }
' _$ E) B9 C1 A/ q6 s; ? - memcpy(mac, buf, 6);
# j( `; `$ \- j2 r( M - memcpy(stbid, &buf[6], 18);1 O; d& n f! v- ]- P
- stbid[18] = '\0';
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. p, Y" K5 O3 ?, G ~1 {- return 0;
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% u, k" U6 \2 w! c( e! ~- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 j, y8 ]5 o% x9 U+ Y3 ~' Q5 _4 Y
- e2prom_s_cmd arg;" D0 O+ r" y9 Z( z7 V9 f; }" I
- unsigned char buf[0x18]; k! R5 w( T ^; X; b# ?2 J O! Z$ x
- 3 H; f' X( b: H0 j3 ~7 b4 f
- memcpy(buf, mac, 6);
$ e( d& ~5 A- ?& j2 i6 P - memcpy(&buf[6], stbid, 18);
. }+ O* h+ Q% c9 q/ H; d7 U - fd = open(E2PROM_DEVICE, O_RDWR);0 Q: f) P6 U8 _6 c% `0 b/ \+ Z* h6 X
- if (fd < 0) { v3 r4 O3 e9 r" c9 P
- printf("Device %s open error.\n", E2PROM_DEVICE);
; ?( w$ @# B- f9 _+ q - return -1;
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- arg.sub_addr_count = 2;
1 y0 ~0 ~+ |; Q% d/ T# X - arg.data_count = 0x18;
- e/ \% O5 `8 U - arg.e2prom_cmd_sub_addr = 0x290;; X% ~! W7 p& m6 j- l' h
- arg.e2prom_cmd_data = buf;/ e$ o8 y8 W+ C7 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
$ H2 q5 ^; F! Y! G6 u5 P5 c2 W - if (ret != 0) {3 b0 O+ ~7 e# c2 Q' \
- printf("Device %s write error.\n", E2PROM_DEVICE);
/ k7 j! w" a5 W9 ~7 W - return -1;( K, |/ _* u5 Q; m% Q
- }
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% B& p7 U7 G+ ?" d2 y* f+ O7 C# l- return 0;
! R4 x8 Q/ L8 B! y - }
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6 U& Q" G! \+ O$ l. M6 G- int main()( I2 _7 c& a* A* |. `7 r
- {
! D0 u3 O6 c; T2 i. e- ^ - char c;
) ^9 i+ _8 |0 l# U7 _" G9 r7 z3 ] - int i, macs[6];, N1 t! y0 T8 m5 a' }8 d; W
- unsigned char mac[6];
+ c, ?9 ?# y( s9 k& G - unsigned char stbid[256];; d' }, _, x/ P
) @' X( S! L d9 G- if (readparam(mac, stbid) < 0)
" z* \- l1 l' z% ^/ r! d, z - return 1;# Y, ?0 I+ A; @; O1 ?# C
- 0 B' P' ^& G$ L% S2 _ H3 J
- printf("Current parameters: \n");1 e4 Z! N" _& E F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) v6 f" d& J1 E. r' ~! G( X# J b
- printf(" STBID: %s\n", stbid);
5 m$ v* b( _$ j* `4 k -
0 y) O6 H. ^! Y0 F) |1 \3 I - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& v1 B2 e3 G5 f; c8 G" ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 H& ]$ M6 B( r7 r) T5 | - printf("Input MAC error\n");7 ~/ x- K" L5 j& }7 V
- return 1;1 Y# n( ~- u R. g- [
- }
) v1 [ G c# ^ - for (i=0; i<6; i++)mac[i] = macs[i];
6 a; Y; G- l& o. `/ x( x) y1 g - printf("\nPlease input new STBID: ");/ L$ c, \( K* l5 Q) b$ Z
- scanf("%s", stbid);
~, [1 E' s' D/ S! l - if (strlen(stbid) != 18) {
! d: d: B& e7 H/ _ - printf("Invalid stbid\n");
, U, O& u# n Z - return 1;
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- printf("\nNew parameters: \n");
' e8 j& r7 G2 c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 t% H8 ^6 p, f. r' h" j
- printf(" STBID: %s\n", stbid);
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7 v+ C+ }2 X# ], T, T3 z4 J- printf("\nDo you want to change paramemters? (y/N) ");" x6 I; F( l; {$ @7 R2 x8 W& Z
- for (;;) {
7 E+ S6 Z6 Y* d5 t8 v3 u& s - c = getchar();4 B/ g* y! R5 R
- if (c == 'y' || c == 'Y')2 w; z# I5 k P" m( d
- break;
T G1 H& ~; D' P0 v* g - if (c == 'n' || c == 'N') {
0 ?' |6 X, p5 R ]- X - printf("\nAborted.\n");
, x1 ?1 E. d% B, U9 H9 z3 f - return 1;
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- }" U. ^7 K, \1 \, [ r+ ~& b+ e
- if (writeparam(mac, stbid) == 0) 7 p" I6 @3 x, C# P! i6 H' o% d
- printf("Parameters changed.\n");+ k; w! M* z% c& O: A% S F2 H3 m
- 2 g9 |* k) ?& b; @2 X5 N
- return 0;
0 z4 v b s" d d& v - }
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