本帖最后由 0522 于 2012-3-21 23:04 编辑 & c5 ?. v' D- Y/ O6 P
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修改的代码早有了。到今天不会编译。
6 g- G9 y5 p5 F! x0 Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 L5 C8 ]. O" a7 R& S
- #include <malloc.h>
( h2 ?$ B* Z% r, v - #include <sys/types.h>
. ]! J1 `& m5 @/ j5 L - #include <sys/stat.h>
) A6 ~* x4 p* c. Q- e+ d - #include <sys/ioctl.h>6 \0 F+ K! E; p0 f/ n3 E
- #include <stdio.h>
! m- r) Y$ J( G" ?/ A - #include <string.h>, n$ k" V) d# M! |5 t
, Y5 h, R) Y/ s- typedef struct {
+ d- M+ R% [: l: U - unsigned int e2prom_cmd_sub_addr;* x+ F, y! m" j
- unsigned int sub_addr_count;# V; z& o9 ^7 v J; f! c% }; [. T
- unsigned char* e2prom_cmd_data;7 Q; f( a p. g6 h/ g t5 E3 w
- unsigned int data_count;
7 R Q8 B: y& F' Y6 z, P1 J - } e2prom_s_cmd;' ^" u W/ C, ~! I, l
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- #define E2PROM_CMD_READ 1
, S1 ~4 M: x# y& R* m. a - #define E2PROM_CMD_WRITE 2
$ N0 h7 ^& `# l- Q/ R5 W& i0 _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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6 E% k# }6 V' o% [- Q- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
/ l* |0 i$ R, f% ~( c. Y4 M - e2prom_s_cmd arg;4 N% d& D. H" g
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);. j3 v' m, P/ e' W
- if (fd < 0) {
& Q7 O2 N! d2 D% h# O. S' } - printf("Device %s open error.\n", E2PROM_DEVICE);: w- T$ e r5 j o$ F/ ]8 I. v
- return -1;
9 O+ ?. V; N( Q! P4 C' O3 i3 y - }
' ^) k* h- p& Y+ W" y - arg.sub_addr_count = 2;5 l8 s* o" s4 }9 }" U- s0 k# _& Q
- arg.data_count = 0x18;' d4 E( _# H. A0 B
- arg.e2prom_cmd_sub_addr = 0x290;8 ~+ K6 p# Q) z7 l8 a" {3 t, ?8 ?" W
- arg.e2prom_cmd_data = buf;
& q' K$ S0 Y, w4 j( v: z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' C0 B2 f4 N6 ?* n) d+ R& Y8 Z - if (ret != 0) {
" }: b. B% Q+ A - printf("Device %s read error.\n", E2PROM_DEVICE);
& L: T! p) P9 u9 D9 J8 p - return -1;
+ v" _( E) J5 y - }
U! h v! Z4 l J - memcpy(mac, buf, 6);
6 b7 J; T3 u: C0 K - memcpy(stbid, &buf[6], 18);" X$ n9 B; J# H X
- stbid[18] = '\0';/ z# n' M1 z/ _' `% p& o
7 O1 ?. K' G8 G" B! D: n" N7 W- return 0;- r8 b! | L5 s+ ~
- }* H; `$ R! B( d2 { U) ^
; S9 s* j+ G- t R! G+ j- static int writeparam(unsigned char *mac, unsigned char *stbid)" s! v$ n$ O4 w- z( Z; V
- {
7 A0 T7 e7 m; ^& e5 K6 g8 I9 u1 ] - int fd, ret;8 @: f9 b* [& f
- e2prom_s_cmd arg;
0 u* A! \ H9 }0 d - unsigned char buf[0x18];
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; ]- G7 y0 s+ {# a. H6 H; J( x- memcpy(buf, mac, 6);
2 T4 a4 L- t$ ?6 W/ N+ s3 Q - memcpy(&buf[6], stbid, 18);
+ @3 c$ y( Q/ Y9 N2 T* G - fd = open(E2PROM_DEVICE, O_RDWR);
: M& P! f* u# R - if (fd < 0) {
+ O# |( B2 B/ l0 R( J: o - printf("Device %s open error.\n", E2PROM_DEVICE);* r! }. Y, y4 z/ N
- return -1;1 v0 r0 a& p9 q$ t9 G* D
- }, O1 s& P$ P+ a) s$ T+ X
- arg.sub_addr_count = 2;
, U, |5 R& m! q, G# k - arg.data_count = 0x18;
( C$ A: ~8 u& a- I; A; }& g! Z& l+ W - arg.e2prom_cmd_sub_addr = 0x290;
& i6 n+ Q: G; \5 _# F, G4 t U - arg.e2prom_cmd_data = buf;
( F2 ] T; W* `$ T1 b: E5 O: Q9 g - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- K9 u" s) U6 [+ R% V
- if (ret != 0) {
4 i, l2 u! l7 e; g* q+ {$ |2 \ - printf("Device %s write error.\n", E2PROM_DEVICE);
- Q2 t0 g5 L0 U& m* u" N - return -1;
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- return 0;: h; d# Z" g- M/ m
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9 K- I R2 Q9 N0 q- int main() W9 T. T5 h9 r8 z. ~. a8 u6 J% s4 b- U
- {" ~" t( G0 \. Q2 y, `0 _0 |& _
- char c;2 T8 W. X' M0 ?2 I- @
- int i, macs[6];+ u' g: |' B- B4 B# M; e
- unsigned char mac[6]; }5 z1 p' a8 K0 d0 ^
- unsigned char stbid[256];
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D& @7 F& u, [. [- if (readparam(mac, stbid) < 0)8 B1 b' L3 V5 E. ^: S6 W
- return 1;. M$ u4 r1 b$ ?/ D" `
) X$ n* W- Z( h9 l, k- printf("Current parameters: \n");) `. ?) R- D' P! {) F( Q3 B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 Y& a; d+ f n/ e% i - printf(" STBID: %s\n", stbid);5 y, x" {- T3 x# v4 V
- . {2 O8 e8 N4 S0 M
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");: a0 W9 x- J# X" {: Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: y6 I& k# ]$ b1 a8 R
- printf("Input MAC error\n");7 u+ Z0 q2 ?2 X) o% i3 R/ P$ z
- return 1;
! q( z- i, ?3 {: p6 m2 ` - }
4 Z5 y s7 \; `1 n6 u - for (i=0; i<6; i++)mac[i] = macs[i];
. \( T" R; c) r - printf("\nPlease input new STBID: ");" K2 p6 \% M+ R o2 M0 J9 d x; d
- scanf("%s", stbid);1 z( Q" L3 ^2 {# G/ {# m
- if (strlen(stbid) != 18) {% ?- B& W3 N- i* O
- printf("Invalid stbid\n");8 |% H7 {% e& l1 C3 e
- return 1;+ }% O1 B/ X0 z: o
- }1 ?* C8 Z' R0 k, F3 y( [9 p
- printf("\nNew parameters: \n");9 K( V9 x$ v, { j E8 w) {8 s- |2 i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 r% N; |8 F5 {- q# [+ S/ { - printf(" STBID: %s\n", stbid);5 ]& v5 d5 J; z* x! p- e' G* g
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- printf("\nDo you want to change paramemters? (y/N) ");% _! d2 \: s$ q; e
- for (;;) {! Q1 k! j7 c, L) _; F" W G5 \
- c = getchar();
5 g. |* K# b% ?: s( v+ m - if (c == 'y' || c == 'Y')
0 ]3 L) s4 c0 p - break;& `7 I0 W8 t$ G2 e
- if (c == 'n' || c == 'N') {$ F m. b K( t0 K
- printf("\nAborted.\n");. ?7 n: \: h, ]9 k8 w, }3 ]4 m# u
- return 1;
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- }
, p* _3 o9 F' w! p7 X - if (writeparam(mac, stbid) == 0) + I/ p$ [& V' l
- printf("Parameters changed.\n");! o @" [1 V" T. Q- Y, Q) E
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- return 0;3 b% D5 d! O$ H( W l% r+ s( f/ @4 w1 P
- }
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