本帖最后由 0522 于 2012-3-21 23:04 编辑 " j& j3 _! H9 U. r1 W; T; `# [
7 E4 U: g, i" z" o% Z$ B修改的代码早有了。到今天不会编译。, D; p& u/ V+ v7 ?. k; Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 ]/ h U1 d/ O' g! t4 n
- #include <malloc.h>
3 x) s% Z( M8 {" n - #include <sys/types.h>
) D3 c# e- F! I0 t - #include <sys/stat.h>
: x8 {3 d7 J0 N/ d, s, {% M$ h. X - #include <sys/ioctl.h>
" u- y. k3 {. ]& c; R - #include <stdio.h>9 w5 p4 ?, p( w0 g9 [/ t; _* W/ y
- #include <string.h>
+ o. q, [5 v- \
$ q( V5 }& T/ m' ^) L- d- typedef struct {/ g1 _, S, t1 L. d/ K
- unsigned int e2prom_cmd_sub_addr;
, s `1 p$ q. K1 M3 n( W. ? - unsigned int sub_addr_count;3 L( e: V( X. _: u2 @ \
- unsigned char* e2prom_cmd_data;) s$ C( J5 V% s$ M4 X3 x
- unsigned int data_count;% D. _4 F0 q! [4 y* V; I
- } e2prom_s_cmd;. X! t& m* ^# f3 i7 I* p
& G/ N7 l: ]7 n' s& f7 J5 X# i- ]8 R- #define E2PROM_CMD_READ 1
0 [; a n1 V# n' T - #define E2PROM_CMD_WRITE 2
2 ~9 q1 I1 w3 |8 i. `) Y0 @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" N& Y: F. u c" N& A
- 2 ^3 T- C. E$ ]/ D9 L8 _
- static int readparam(unsigned char *mac, unsigned char *stbid)! p B! v# f5 U0 f! B
- {$ p! {; d& L3 n" u, ^( s5 t$ D
- int fd, ret;/ N* W- L9 U: G' `6 e8 x
- e2prom_s_cmd arg;
H# }% o' w$ n/ h0 m - unsigned char buf[0x18];
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' Z: z/ v" Q% i0 E3 Y' v4 i- fd = open(E2PROM_DEVICE, O_RDWR);
8 O' ?% ~( x0 A! H' m7 q. ~ - if (fd < 0) {2 `# h7 y' A* ?/ J" w' q) b$ t( H& ~' q
- printf("Device %s open error.\n", E2PROM_DEVICE);
% Y" u0 L, U6 w" i3 B! P - return -1;
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- arg.sub_addr_count = 2;; J* G5 K0 W6 V4 g. X
- arg.data_count = 0x18;7 a* d, l8 c% E9 ]* \
- arg.e2prom_cmd_sub_addr = 0x290;, P1 H, D% O/ W7 k% s2 x0 d0 T3 a
- arg.e2prom_cmd_data = buf;2 J- R3 [& C9 T7 k
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* j- V$ z2 o" R* U5 E4 |& P
- if (ret != 0) {& s. c2 c8 D+ X. _5 O
- printf("Device %s read error.\n", E2PROM_DEVICE);, G# D5 O1 C9 Q, B- g! P/ g# m
- return -1;! N. {# N, j' \" {
- }
/ ?* _; t6 E: u - memcpy(mac, buf, 6);
! j, H0 U$ B% W7 y3 n - memcpy(stbid, &buf[6], 18);2 L" B/ L" ~$ i3 B
- stbid[18] = '\0';2 ^5 S, f0 W% G4 u
5 l) O6 ?( ^3 g; V9 U0 H) X- return 0;
2 F$ H$ S$ Q6 k9 m9 i% u' L' D - }
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, J% M, Q- H& C5 {4 o% d- static int writeparam(unsigned char *mac, unsigned char *stbid)7 U8 f7 f/ i) \, n& b. I! b5 K
- {2 G2 z8 _( t2 x) \
- int fd, ret;" H% E! P! Z. k2 p2 B' r$ Q& S6 t
- e2prom_s_cmd arg;5 G+ ^2 O$ P7 N0 B
- unsigned char buf[0x18];9 p# G b: q4 R, Q7 V, |, ]' U8 m+ k9 Q
! ]# Z. B& Q$ h6 u- memcpy(buf, mac, 6);
$ e( M5 a. c% s, v7 { - memcpy(&buf[6], stbid, 18);
% `! V7 q- \1 }( t - fd = open(E2PROM_DEVICE, O_RDWR);0 ]2 k6 t& ]% r1 Y$ q
- if (fd < 0) {5 Y9 `6 J& W/ T9 ?! m7 K0 `
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 A: W4 M, U2 t& N' S) _ - return -1;; G: V$ z- e0 P& ~, `( _' W. _) u8 ?) A
- }, J& U! t6 F$ ^( a# S
- arg.sub_addr_count = 2;5 y" }9 k7 ~, S& `1 }6 `0 ^
- arg.data_count = 0x18;
) b6 w7 P4 T4 d2 ]$ t. [ - arg.e2prom_cmd_sub_addr = 0x290;
( t# }( t. w: W3 ? - arg.e2prom_cmd_data = buf;
, @! y- d0 t4 K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; F( n- X7 _% `* Z" L
- if (ret != 0) {+ ^/ c7 t+ O4 d
- printf("Device %s write error.\n", E2PROM_DEVICE);, h- Z& H' K L0 x) N
- return -1;% p# J) l8 l+ u
- }: H+ I( K- k+ U8 ?
! E0 w5 @/ z5 l7 d; X- return 0;$ H2 Z; y% m. ]/ X4 o
- }
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: M5 o. O: z% r+ W* o3 K- int main()
r$ K M9 e& e0 X3 {# M - {
* U# M* G, K' `2 }) D - char c;
7 P' I. z" r9 W# R8 @: `: m) w - int i, macs[6];& ?6 M2 s* v% C
- unsigned char mac[6];( s, E* K% d0 L1 x6 S
- unsigned char stbid[256];
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& {* p: g ^) |4 i* X- if (readparam(mac, stbid) < 0)
" w9 o. m/ f+ z' M - return 1;' p" Y6 m" K! I6 m/ q3 p) {
% K' _$ Z, y; |/ i5 T0 `- printf("Current parameters: \n");) `) r/ X J* `/ _( i H; x
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
}" q8 L# U1 Y' N3 H9 \! o( `" ` - printf(" STBID: %s\n", stbid);
6 D, a5 {6 q: s7 h7 j H- R -
6 b' z* w. W; l) q7 ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ Q/ }7 q7 X4 g& |7 j- V+ u - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 e7 a2 }5 F# b# R8 k3 [) f1 v - printf("Input MAC error\n");: I1 Q+ m# `' q1 U( C
- return 1;# o1 O# N' e5 X0 Z4 h* i
- }
$ a7 S0 f$ L+ F0 W: z" D - for (i=0; i<6; i++)mac[i] = macs[i];$ @. j- _2 | ?! K# r
- printf("\nPlease input new STBID: ");
, q$ o9 K6 _# H( I, L% w1 h- u - scanf("%s", stbid);/ X [4 i W% X3 y. f1 h
- if (strlen(stbid) != 18) {
+ A8 O0 M9 \. K1 m4 q2 ] - printf("Invalid stbid\n");1 z* c- p0 c2 v' F( H5 q
- return 1;% h. |: X9 E0 J6 v1 |' I
- }
* f4 w8 l" C; }9 M/ i* w! @: A - printf("\nNew parameters: \n");( Z V0 {, }; O2 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 B* E$ c) a( x( C& c7 I - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
% r) m' w5 O8 o - for (;;) {5 t0 H7 k4 v2 X9 F' ~; \9 Z
- c = getchar();& w9 d, p% H, f: j! w9 p
- if (c == 'y' || c == 'Y')* G0 `. n- A9 ~1 V: E9 W* [
- break;
; }' C) t1 X O! v% w5 S - if (c == 'n' || c == 'N') {
; o) H4 g8 Y4 V9 |4 R+ ~ - printf("\nAborted.\n");, G* n4 [6 ]+ x3 y$ Q" L# P
- return 1;
# @" z1 q5 h( E4 Y' o0 W1 i' ] - }
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- if (writeparam(mac, stbid) == 0) : k; Q0 ~& w* J$ m6 X% I1 c
- printf("Parameters changed.\n");
4 \- s+ n1 G+ d/ i
" b1 Y* X; _5 P) F) ?- return 0;" m" W9 s9 M9 [7 U
- }
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