本帖最后由 0522 于 2012-3-21 23:04 编辑
/ E$ N( N2 h) y8 J4 H2 f# a- e2 @; j' o# S8 \$ C4 E
修改的代码早有了。到今天不会编译。6 B. i g" b4 E, W0 ^2 D% u. X& z& s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, M- f# \1 v) q) r" b9 B; ^ - #include <malloc.h>
% C, r3 \& L& c+ [& X+ K$ ]) P - #include <sys/types.h>- B1 w* S f* h8 P, w- {: H1 F
- #include <sys/stat.h>1 i# i" d0 _1 n( |5 J6 T
- #include <sys/ioctl.h>
7 u: k, _7 E4 x# Q8 `3 G. t - #include <stdio.h>! y2 N0 `6 o( e- B* u# [$ \
- #include <string.h>) J: o+ K5 f8 [; e
9 i* h+ ?4 V* ] Z5 s: z: v4 y- typedef struct {
# d/ F9 B% k: V# w- X; a2 l" T* v - unsigned int e2prom_cmd_sub_addr;: P" d: G1 f; u
- unsigned int sub_addr_count;6 e$ b. m, E" ~. {9 I- e& C* X4 w8 h
- unsigned char* e2prom_cmd_data;9 f" U c: w" k. G
- unsigned int data_count;2 j! |, p) `5 o6 d
- } e2prom_s_cmd;2 @( K+ r6 Z2 V. H4 W( h0 Z
0 ^' w+ H+ i @5 T% L- D0 m7 ^) ]- #define E2PROM_CMD_READ 1
) Q0 E' c' Y" e$ | - #define E2PROM_CMD_WRITE 24 J) o, M: n. T7 s
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
/ e% m) q4 o! X% L, C; F7 l
( z& ?) x0 v1 _- static int readparam(unsigned char *mac, unsigned char *stbid)# B( W! N! Y) B: t& t" o/ Q5 m
- {
2 `' F/ Y$ H8 P4 Z4 u& O - int fd, ret;
( V+ J0 h4 S8 T3 k5 { - e2prom_s_cmd arg;$ R) Q: [, I4 C; [- W$ o
- unsigned char buf[0x18];# M* {/ S0 O: w+ }% }7 W* y% o0 u
$ G4 V" D% F' a/ h- u7 o- fd = open(E2PROM_DEVICE, O_RDWR);9 l6 T S `4 s2 [# ]! V
- if (fd < 0) {
8 X/ Y3 E( ]+ L8 a. X5 Z - printf("Device %s open error.\n", E2PROM_DEVICE);7 a/ y# E* O/ f; b) a3 T' D' N; a8 l
- return -1;# w3 Q$ k" L3 A) S# @: ~
- }3 ~% W b" j0 G S
- arg.sub_addr_count = 2;
" u# q# B+ H& F - arg.data_count = 0x18;0 Z( l* P: d3 x6 Y
- arg.e2prom_cmd_sub_addr = 0x290;8 u* q r. [! w6 t" d7 _- N5 ]: m
- arg.e2prom_cmd_data = buf;
( O& I. V D) p, b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 K" ]6 [% _; N# b" H4 x
- if (ret != 0) {
. E6 ]2 L. x2 }" J - printf("Device %s read error.\n", E2PROM_DEVICE);
( L0 L+ a& I. x: P - return -1;
/ F7 U! H" N; z9 v* Q - }
; I$ n3 M3 @8 s1 e( m) ~5 d - memcpy(mac, buf, 6);( S" V1 _, S; f" I+ v; t4 ~# X
- memcpy(stbid, &buf[6], 18);; s4 s9 g5 W+ f6 h P
- stbid[18] = '\0';, V. B: ^! }) _8 C- A2 m3 S. D
4 L2 \( }1 m4 `- return 0;7 K. B: }! p' ]7 d
- }
6 x& S, e& X" X7 a" O9 g2 ]/ L9 v
( d+ W4 l' x& }' l7 \8 ~- static int writeparam(unsigned char *mac, unsigned char *stbid)4 K9 K" |0 v0 V; X o% B9 n1 a( O
- {
- d* q2 |" \) z0 S; c. F - int fd, ret;2 f/ v/ e6 j/ V
- e2prom_s_cmd arg;
. }* x! I' a+ Z# e- K - unsigned char buf[0x18];/ K; F& ]" X" A" y0 W4 V& K+ y. h
- ! f- U/ B) c z5 k% h
- memcpy(buf, mac, 6);" b1 j8 p, ~ F( t+ A% w& ]
- memcpy(&buf[6], stbid, 18);/ m0 C8 `- D( u5 I2 K. Z' }) }
- fd = open(E2PROM_DEVICE, O_RDWR);% K( g7 u7 y) m& r$ ?6 [- b5 w
- if (fd < 0) {, L2 i" l9 ^3 E" h( h/ A$ H
- printf("Device %s open error.\n", E2PROM_DEVICE);
; M) z! C/ ~9 |" P' U - return -1;
$ T( D2 }- g8 I. }' L( X - }: K# Q' r9 T2 h( ]3 Y: N
- arg.sub_addr_count = 2;+ k4 f2 B6 M% \' J' @: ?/ v2 R
- arg.data_count = 0x18;- ^: I( G. Q L0 ^! f
- arg.e2prom_cmd_sub_addr = 0x290;
3 h4 Z& A9 Z8 ~8 F" p - arg.e2prom_cmd_data = buf;7 a" [; d3 U2 y y1 \7 q) `
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- c h1 w' I- D- H; J2 F( b* M
- if (ret != 0) {
5 t7 R5 D( d& |# m# h8 l# T - printf("Device %s write error.\n", E2PROM_DEVICE);
9 r! [4 b- I0 Y& s1 l - return -1;! _0 c+ V8 c! o* O
- }
" v3 Y( V5 t, r# Z+ e2 f - 8 }; }" t" _1 B* ^" K
- return 0;* v C5 y( e4 M K1 R
- }7 I2 X% T: J. F2 p! j/ Z
1 I" E; a% T" {3 }1 D! s! ]% y- int main()
. ^; } U! d' R. A - {
+ E: w( c! N+ ]8 n9 G% d - char c;5 Q$ ^+ ?" T: P( v& e- S. a% F5 f
- int i, macs[6];
* W8 o+ v8 g h z - unsigned char mac[6];
/ X0 W$ _- g/ A$ [6 y; S - unsigned char stbid[256];8 B/ r) J' q6 Y6 P% k9 J
# I; v3 B! q" r8 p7 a5 N, |" k* n- if (readparam(mac, stbid) < 0)
' F! C) W; F+ V) d8 P0 l( B - return 1;4 L* ?/ t W. ?. f6 N$ M, g3 a5 R
- ! Y2 h- S* T6 E) A2 V1 k
- printf("Current parameters: \n");3 b4 l) {- m) j# P9 w4 c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 M) Q; q1 d |
- printf(" STBID: %s\n", stbid);
: ^- \* M8 M3 W0 f! d6 J - : i8 I8 ^. L$ q* p, R- X
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 Y1 ]" c' g9 [' D+ ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 D% N4 g& K4 x* |/ ]/ M6 o: v
- printf("Input MAC error\n");6 h- @) t4 Z g/ ]7 b z( p8 b
- return 1;
9 V, f+ G S, U* [* e! d - }
* |: ] O, g8 \1 D0 `2 x - for (i=0; i<6; i++)mac[i] = macs[i];
) v+ \# R1 }- q" y3 h1 Q5 Z o - printf("\nPlease input new STBID: ");
& i* w- M9 K8 r/ {8 e% b - scanf("%s", stbid);+ o. t5 G8 Q3 h8 f
- if (strlen(stbid) != 18) {
& u6 h1 s: p$ O* v5 w - printf("Invalid stbid\n");, A1 l+ ~ {6 g! y$ H- g$ [
- return 1;# i& O- @6 ~ A7 a, d/ {$ J& Q2 o9 o
- }
3 }0 O# R, C' Z9 l/ c* @' S" ]2 a: s - printf("\nNew parameters: \n");5 w1 M0 H+ @! K; C+ F4 P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 F2 E( @, H; h1 e - printf(" STBID: %s\n", stbid);
* K. e4 }$ a1 w( v7 Y/ B
& w3 ^2 y* s- c( C4 O) | ~- printf("\nDo you want to change paramemters? (y/N) ");
# l' v' u' ]3 t5 Z! O - for (;;) {. m6 `2 N& h8 h0 ~, P
- c = getchar();
! Y& O* P* ]/ c" H2 M - if (c == 'y' || c == 'Y')
% [' }- U: N, W - break;
) H V2 v3 `; F- ~4 ]3 G/ _' B - if (c == 'n' || c == 'N') {
8 T5 u9 Q5 s3 H# {4 T+ \* } - printf("\nAborted.\n");
0 _. v3 R3 q% T - return 1;, o2 c, @% a5 C# w
- }
0 ^1 |+ W7 r: D" L3 y+ S - }9 ^: \, S; V3 X: q
- if (writeparam(mac, stbid) == 0)
1 e& L- N9 u" H/ M( ` - printf("Parameters changed.\n");
$ @1 F# P4 l. j* x% j - 9 Q7 O) H* [0 P# {, `3 R2 O0 i/ x; h
- return 0;
/ _+ e( w P" Z6 }# h- T6 J - }
复制代码 |