本帖最后由 0522 于 2012-3-21 23:04 编辑 6 P2 c0 g6 c) I s2 I( b+ T5 n1 f) g
' v" B$ |0 F, T7 ~# H! ~4 M修改的代码早有了。到今天不会编译。1 {4 K; `- Z% H" c8 P
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ U7 P0 i: ^( o% E. E& A/ ~" J* E$ W
- #include <malloc.h>
# n+ E0 O0 n% r - #include <sys/types.h>
$ S \" {: D9 K7 v b" Q - #include <sys/stat.h>
a1 R5 C7 _- Q, e, j+ d - #include <sys/ioctl.h>
+ C) _' j7 q" O, Q$ J, U - #include <stdio.h>: G% a4 c' `1 V, {1 ?5 B9 r
- #include <string.h>' b3 `9 b" w9 v* Y& E& b: X$ a
- ( {/ r6 [& @2 D9 m; q% v
- typedef struct {$ y0 k; Q* o$ P- e4 L" k
- unsigned int e2prom_cmd_sub_addr; o8 G' o3 G6 _7 ^+ n; @
- unsigned int sub_addr_count;
7 b" v9 B* _) {6 d - unsigned char* e2prom_cmd_data;
/ g- _, A% L" j5 S9 k' e/ N - unsigned int data_count;
( e1 I/ u7 P* l - } e2prom_s_cmd;' Y T$ B: O f' j
- * t. N& c" ]1 `
- #define E2PROM_CMD_READ 1
( K" f5 t* `; b: m3 G - #define E2PROM_CMD_WRITE 2
7 K, K. b) M$ `- x' B) M& D - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 c' h$ v# M N9 k" V3 f) j
' D6 ?4 I; H- c$ ]& |! Q0 S+ p- static int readparam(unsigned char *mac, unsigned char *stbid)/ H( ^) c9 c/ d1 H
- {
& q% c9 j- H' X5 i* Z& e4 @) d" ~ - int fd, ret;
. g. F7 b6 ?1 A6 o - e2prom_s_cmd arg;
- }! |1 q% W! L' Q! w1 p) M/ y - unsigned char buf[0x18];! [1 Q5 e6 |) \5 ]- _ H; F
- - E! h& ?& h$ Z+ g. X0 `9 @
- fd = open(E2PROM_DEVICE, O_RDWR);( o l& _) C6 i5 A; E
- if (fd < 0) {* G' k/ p/ _* i
- printf("Device %s open error.\n", E2PROM_DEVICE);3 J- Y4 ]+ X/ T& `6 e' l: n' j
- return -1;6 m+ w& p( D" T0 I# p: e9 }
- }
" z* g9 m0 j7 M - arg.sub_addr_count = 2;; N0 k5 M/ Q) G7 Q
- arg.data_count = 0x18;, j" b# G: {3 |0 p
- arg.e2prom_cmd_sub_addr = 0x290;6 i% k7 d$ F1 g5 k) R# x% d1 H
- arg.e2prom_cmd_data = buf;
. E: C0 r: R8 `) M7 [ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ j. e9 s% M- C/ D' i) R6 b) u. {/ o - if (ret != 0) {
) J" R7 f6 t7 b+ S, E% Y1 ] - printf("Device %s read error.\n", E2PROM_DEVICE);
, G4 R; V8 R- a8 G" c8 E) b- ^ - return -1;: p8 ~- P: q/ h& k& n. }* @! g& J
- }0 }( a u( x* B2 m4 f, U
- memcpy(mac, buf, 6);: I1 [0 K4 P# @% Z7 G
- memcpy(stbid, &buf[6], 18);. K; H4 f% a) n' T; c
- stbid[18] = '\0';
& y) V2 z% K8 u& T, y8 k, h - ! }+ Y5 {! A+ _ p( h, \
- return 0;0 s, l- ~8 q @& O \
- }
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2 C* u% ]8 j" M4 L! j& u/ J1 ^3 ?- static int writeparam(unsigned char *mac, unsigned char *stbid)) K8 d( W8 P/ c% [/ L# J# v
- {; y; _5 j3 p6 r# [ l! |& c( Q
- int fd, ret;0 U! M ~8 X; [* N! Z2 {
- e2prom_s_cmd arg;
- m% ^* a( t, p% { N+ s - unsigned char buf[0x18];
# |1 h# `1 f& t
5 ?0 w& C" l# Q5 H, Q4 w- memcpy(buf, mac, 6);% C( n" c' U y3 P
- memcpy(&buf[6], stbid, 18);
8 {5 h% V( p) y" | - fd = open(E2PROM_DEVICE, O_RDWR);: `: A, s5 O t9 Y% q" G0 j5 H
- if (fd < 0) {0 l7 S/ M% A+ E: @# v3 N ]
- printf("Device %s open error.\n", E2PROM_DEVICE);/ W% `3 Y& f7 q* K! {3 V
- return -1;5 v7 k$ z; ]7 ]( A1 O: v" X: n# I
- }5 v6 Z5 k# Z# W( m& q& ?0 Y
- arg.sub_addr_count = 2;# d$ p d( [; n1 H
- arg.data_count = 0x18;
3 b. y+ B1 Q7 F9 y D - arg.e2prom_cmd_sub_addr = 0x290;3 H9 z1 ?7 k, v4 J9 C7 Q
- arg.e2prom_cmd_data = buf;# h- l0 x7 u0 p: k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. p4 q4 h+ ^9 q7 Z2 p/ m
- if (ret != 0) {" @/ F. D; k; D7 G1 _6 j
- printf("Device %s write error.\n", E2PROM_DEVICE);* k$ t2 l- k; f" X0 e
- return -1;
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- 7 d6 [+ [2 y3 g/ W( S& v8 ~0 N
- return 0;
6 ~5 m' w% B3 e, H2 s - }
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5 _2 [# A" w9 _' s$ z% _0 {" s7 c$ l- int main()
) _7 h3 M1 z7 q* ^+ O) K% g - {
3 s, `1 z1 O4 z' Z6 ^# t7 Q2 G% y - char c;3 {4 h( p) Y ?
- int i, macs[6];- k& f6 s" }: l
- unsigned char mac[6];
( w* i# C! i/ Q1 l - unsigned char stbid[256];' I# J% }1 A$ g. ~
+ G+ ]3 |6 o7 p$ J" n- w- if (readparam(mac, stbid) < 0)1 R# J' u1 M3 @$ `- W
- return 1;% a) G- ~8 l- W& x9 D
- 2 o4 F6 u- H2 g3 M# r0 U( P) F
- printf("Current parameters: \n");
9 y/ X! f$ A! |: j2 r7 a" U3 {! L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; W K0 v5 ?) _% J. }, h
- printf(" STBID: %s\n", stbid);
# U! ? x. i# ^, i: ] -
. i" Z) b0 d! u- V6 k - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); B% |" o. b9 W# d/ }7 p' t
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- X5 S' M/ i2 t/ M
- printf("Input MAC error\n");! W& O. s2 w( @, M$ J
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];: g( ~$ t* N7 U) D& b& j
- printf("\nPlease input new STBID: ");
6 _5 C+ x4 x' K$ p# p/ |3 c - scanf("%s", stbid);' T1 N# D& O6 \& I% c. @" u) @
- if (strlen(stbid) != 18) {
~' c0 T) X' h/ p - printf("Invalid stbid\n");* _; o# l! g6 q h: v
- return 1;
+ f+ i* o6 B1 b$ S" t; F - }
% c' H" w7 H2 |; @& r: ~ - printf("\nNew parameters: \n");
# t+ b' `8 I; P6 i; `! q; h$ E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, C7 Z3 L& _! c5 @+ a$ F$ G. G
- printf(" STBID: %s\n", stbid);
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' w( ^- K1 X% t6 U# C$ T- printf("\nDo you want to change paramemters? (y/N) ");
' S. `8 r3 d" w0 N - for (;;) {# n# z' w+ F, A$ ^2 ^. g
- c = getchar();
! C6 C/ V- K# q8 n5 V+ g' q - if (c == 'y' || c == 'Y')
& M8 w, i! A. C, B - break; T) { p1 P, A A r
- if (c == 'n' || c == 'N') {8 v% W! I9 e0 y- b2 Q$ P! M# S1 b5 G$ c
- printf("\nAborted.\n");
2 u* D& m% y: n - return 1;
8 L! [/ w7 D8 r7 C - }
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- if (writeparam(mac, stbid) == 0) 8 H% p" w# i, k8 e% `" U0 i3 Z9 j
- printf("Parameters changed.\n");% u8 Y4 p' r( O3 j5 E
- " h$ S) B; E: F. F0 A8 [+ _+ a
- return 0;
% r" Q) J5 t# W& H/ t( O, ~ - }
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