本帖最后由 0522 于 2012-3-21 23:04 编辑
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- ]6 f8 P/ i5 d' I/ b修改的代码早有了。到今天不会编译。
* `7 {! Y" l% _8 p需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- I) h4 T* u/ Z9 J ?
- #include <malloc.h>5 F( R1 y' T# B& q$ E, ?$ d W. n
- #include <sys/types.h>. b0 {# g" e: A
- #include <sys/stat.h>
; k9 Z) K$ A: b% w0 G/ S$ \% B - #include <sys/ioctl.h>& b/ _. Z, i9 m* w3 I3 Q; q Z
- #include <stdio.h>
% v! L+ h3 I) u0 c - #include <string.h>/ y3 k# c% R6 q. H+ T: j/ L8 E* m3 J/ }
- ( @/ D- s% A2 z2 o+ B- I% w% \
- typedef struct {
, w4 z% l, P( p9 i# H# d - unsigned int e2prom_cmd_sub_addr;
3 \( @ S9 k$ f9 r9 M% _ - unsigned int sub_addr_count;! ?- J4 Q: }) E; @8 y. F$ `9 X# }
- unsigned char* e2prom_cmd_data;4 O6 i5 W& f' \. q' N& M
- unsigned int data_count;4 r5 h% I7 L$ o1 W/ c( a! ]
- } e2prom_s_cmd;
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! A% }5 i1 r" b/ B) z9 a- #define E2PROM_CMD_READ 1: D1 X! x5 s, ^% ~4 a s2 M4 m
- #define E2PROM_CMD_WRITE 20 c, D' b& s1 }2 H6 `0 n; ?
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
8 V6 r4 H; w5 g! Q" j( \ - {
8 {. t, G$ o' k+ G - int fd, ret;
' Z3 D3 Y4 Y+ |& F - e2prom_s_cmd arg;: I* {& [/ {1 l# h6 h
- unsigned char buf[0x18];: s" @' h9 M/ B* z( |1 G5 C
* }3 V* v5 K( k: P- fd = open(E2PROM_DEVICE, O_RDWR);5 q' Y/ }' `* y0 l' _. t
- if (fd < 0) {% f; u5 H" H6 s1 }0 G% X) D8 y
- printf("Device %s open error.\n", E2PROM_DEVICE);' F, T, v# ^7 f5 A: g7 W
- return -1;
% ?0 @/ N: Y7 _, x* v' Z% P - }
* Y/ i9 x; h5 L5 E* u - arg.sub_addr_count = 2;
8 r$ J9 y9 [! A: Z1 i - arg.data_count = 0x18;, w% L* g: V/ j! k& m+ N" k
- arg.e2prom_cmd_sub_addr = 0x290;2 d7 s* l) Y# f9 k& f \! s
- arg.e2prom_cmd_data = buf;
% w2 G" A5 x* c) X U0 e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 |! b8 ~; B( Z \/ v! a! J - if (ret != 0) {" x. D: c/ K3 M! q
- printf("Device %s read error.\n", E2PROM_DEVICE);
& J& o9 K9 o' t1 H - return -1;
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- memcpy(mac, buf, 6);9 q4 J, _; v/ P Q' A6 S
- memcpy(stbid, &buf[6], 18);
4 P, M ?2 o4 p; J& W1 Q" G - stbid[18] = '\0';% _0 J) o2 x% B+ H
2 y+ v$ O: f5 v5 H l$ B" W$ A- return 0;
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) f" c3 h) w0 v- F& R3 T/ @1 s- static int writeparam(unsigned char *mac, unsigned char *stbid)% e6 V, B) \6 g
- {# e4 ~" y, Y. Q* Q+ i3 `: D. F& ~
- int fd, ret;6 \+ t4 m/ K: o/ G
- e2prom_s_cmd arg;
- D8 T% W# r0 ]2 r% U* q6 J% V - unsigned char buf[0x18];
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4 s% E9 n" w' L! W, W- memcpy(buf, mac, 6);4 O# z( G: [; W/ D
- memcpy(&buf[6], stbid, 18);
. Y' r* B3 M- x w( I* g - fd = open(E2PROM_DEVICE, O_RDWR);
; M% ]6 f7 d7 w- \# `. `3 W- F1 S - if (fd < 0) {
! U5 l+ J& z9 v4 m6 S( J" f - printf("Device %s open error.\n", E2PROM_DEVICE);% V n' z, L4 t
- return -1;8 X- l; v5 C" ^; ?$ W
- }8 R8 r$ c' x! w S9 F
- arg.sub_addr_count = 2;
8 O$ Y, g& ]8 C$ d3 { - arg.data_count = 0x18;
- S7 x7 h( n" y9 v- s - arg.e2prom_cmd_sub_addr = 0x290;
/ ~. d3 o* D6 y$ O) h0 B# w - arg.e2prom_cmd_data = buf;
, q. r; |1 ~5 c6 G$ ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 m3 ~! Y/ O0 C7 {. U - if (ret != 0) {
* @. k4 ~2 B1 I- U" _3 _ - printf("Device %s write error.\n", E2PROM_DEVICE);
0 z' ~5 A; r4 i8 @% m - return -1;
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- return 0;8 `# } K; ?% I& f
- }
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- int main() C& i1 r9 k( v1 _% o% q" k
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- char c;1 C @2 N" {2 O: ^9 H0 ?1 g$ t, Z
- int i, macs[6];; |& b+ \ g5 w( m* J
- unsigned char mac[6];
: x# _/ B/ D" z/ y! R3 I - unsigned char stbid[256];
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$ ~) G9 U2 H) O* p' T/ z8 g0 d8 b- if (readparam(mac, stbid) < 0)) \' o; P. p/ G$ M' z2 A
- return 1;
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- printf("Current parameters: \n");
; e# u2 B( ~/ r4 E7 u& o( C( ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); d3 U/ Z. V5 g2 Q/ h9 e7 l
- printf(" STBID: %s\n", stbid);. ]& g6 R0 U7 z5 a6 h& `
- 2 E" X! x! ?3 C s) [3 @
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: }- l; R+ j& D3 h8 M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: t+ U# s% q1 I" M' \/ o - printf("Input MAC error\n");
( j; H3 b. f% V- G - return 1;' j3 m, g7 e/ v
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- for (i=0; i<6; i++)mac[i] = macs[i];) l4 s) {/ [1 K' X3 ?# F
- printf("\nPlease input new STBID: ");) ~7 \' {6 ?$ H" Y1 v; k8 }
- scanf("%s", stbid);+ h/ U9 ]8 O1 ^% h4 [
- if (strlen(stbid) != 18) {
0 i% d6 i- M- m( i# t" z - printf("Invalid stbid\n");
" ?2 h* u& g2 q$ }! d% B - return 1;
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- printf("\nNew parameters: \n");; n( t, L" S. l, Y/ X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* C8 h- \5 t. f7 d
- printf(" STBID: %s\n", stbid);
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! B' U, L: O% W- printf("\nDo you want to change paramemters? (y/N) ");" K2 M7 O, f) `( ~
- for (;;) {; K1 V7 U) T) F- x' M
- c = getchar();$ m1 l$ C; O6 c/ B
- if (c == 'y' || c == 'Y')
. y, L5 l: m# i7 a# Y: L) P4 T - break;
- B( _. Q- b# m- b; A0 V - if (c == 'n' || c == 'N') {. I# V7 @/ x1 z
- printf("\nAborted.\n");- G& H; v2 L2 h: l
- return 1;/ l9 B) Y" R8 @) P4 q
- }
- V1 C8 n! i4 l - }
8 F& ]2 W* v7 e2 |# @ - if (writeparam(mac, stbid) == 0) & |8 y C9 O! M' f! C3 @
- printf("Parameters changed.\n");+ v' v5 E! ]6 X% r. g
- . O# `6 f# |5 N2 g: r# C
- return 0;, A v- N0 `0 s, w: J$ G6 r
- }
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