本帖最后由 0522 于 2012-3-21 23:04 编辑 8 C9 V" Y9 W5 C- U: S) m% e% {" u
! b# Q" E+ q' l: ]% v修改的代码早有了。到今天不会编译。: [+ K# `2 Y; l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' f3 J1 V3 B3 b+ Z; S4 R, n
- #include <malloc.h>" s5 o% R9 s; i8 b' @+ X
- #include <sys/types.h>
/ e" |; _- i: o% J - #include <sys/stat.h>+ q3 I ^ J; q0 K) U
- #include <sys/ioctl.h>
0 E2 }' n# j2 n& k5 @/ O: f - #include <stdio.h>% D4 p0 |) y$ p
- #include <string.h>3 o+ R, Q7 ~; P) p: T: P+ I
- $ K) ~: S- f- A! J4 p
- typedef struct {
5 F: h% n( G M0 g! R! Y3 k9 k8 Z( Y2 z - unsigned int e2prom_cmd_sub_addr;
' w1 b6 N! Y8 Y/ G: Z2 r, C. u - unsigned int sub_addr_count;
% h, t; I5 o: S: z6 O9 w - unsigned char* e2prom_cmd_data;
+ W4 p Z/ B1 [+ C. h$ a0 c - unsigned int data_count;
3 t" t1 T- Q0 q0 z5 u8 u9 x7 m* [ - } e2prom_s_cmd;1 ?7 g5 ]+ o5 P2 [
$ K- v9 R: X S+ J. Z- #define E2PROM_CMD_READ 1
2 T- W F5 F3 ]! | - #define E2PROM_CMD_WRITE 25 p" K6 u, e: ^1 S$ c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
% W: @1 l3 Z! ?3 n0 j2 g - & ^& T, t( M* s# e3 k) `$ @
- static int readparam(unsigned char *mac, unsigned char *stbid)( g# Z6 U3 D5 d8 ~0 f' o- a
- {
+ }% O7 w0 K) ~7 c3 G/ b- \ - int fd, ret;
" _( @2 P* M) F' w6 ~4 b - e2prom_s_cmd arg;
; L4 v% ~- z3 P0 ?4 c( l - unsigned char buf[0x18]; d9 N; T1 Z2 L& z/ y% S
% _# K, F d3 X4 B6 g- fd = open(E2PROM_DEVICE, O_RDWR);
: R. _; G: b$ K3 v# k3 o+ U - if (fd < 0) {8 V6 s3 c& Y3 k0 {- j& j& W8 t0 _- R+ d
- printf("Device %s open error.\n", E2PROM_DEVICE);
) l% V) G4 v7 o - return -1;- X: p2 A# S# {
- }
7 A. j+ d; |1 I! D0 z* M - arg.sub_addr_count = 2;
# Q! p; A, ^6 _# g5 A - arg.data_count = 0x18;2 M* R# {4 Y4 ]& C `. e; ?
- arg.e2prom_cmd_sub_addr = 0x290;
) k$ d- ?! _. k: f- ]0 L+ [, Y - arg.e2prom_cmd_data = buf;
8 h' Q4 r# h4 h9 T+ y" Q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 K7 ?0 H/ Q% U( p3 U
- if (ret != 0) {
( u9 M/ N4 q/ d, E! ]; K# g - printf("Device %s read error.\n", E2PROM_DEVICE);
' ]" m1 M0 P) A ^6 [% R - return -1;/ O: D" e7 X# c6 V
- }
' P( M' S& K- a4 M2 {2 W - memcpy(mac, buf, 6);
# l; O: p& G( c' b1 [ - memcpy(stbid, &buf[6], 18);. m/ z% Z% m# S, N4 m4 Y
- stbid[18] = '\0';3 n* u) T# h2 B5 ?6 n' z
- % X3 ]0 d/ W0 ?, T/ H+ h0 J
- return 0;! k L9 i- q1 g. `, c" G2 u
- }4 Z% G- ?, _* U
- 8 }* e! S1 ^' Q" C' S, k
- static int writeparam(unsigned char *mac, unsigned char *stbid)9 ]: i, u3 w& b6 M
- {2 z+ Y% O% s7 n. `- l
- int fd, ret;
" y: A/ W0 N7 e8 d - e2prom_s_cmd arg;$ g6 M* |6 P2 ^; G2 N7 c* j& y- m
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
) T7 Y4 W s: N! X) V% l$ S$ Z - memcpy(&buf[6], stbid, 18);
2 b: k. R" E$ G. r1 @$ I+ k' K: z8 F - fd = open(E2PROM_DEVICE, O_RDWR);
. L8 s! u7 i. r9 R - if (fd < 0) {% t( [5 P5 ^, x* D% p! e- x" b
- printf("Device %s open error.\n", E2PROM_DEVICE);; q; g! c% Z0 Z* V, {( ~
- return -1;
4 F- k8 x5 ^- C2 f4 L - }
+ } r2 E& o& N( [ - arg.sub_addr_count = 2;$ K. T' {5 Y1 ?) M& _! g9 H
- arg.data_count = 0x18; }. W4 r4 z+ J/ M! d
- arg.e2prom_cmd_sub_addr = 0x290;
% h _: ~! }0 O$ N) d - arg.e2prom_cmd_data = buf;
8 v, F3 `( a: F5 x* j - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 S1 L Z3 `0 [9 ~ - if (ret != 0) {; {+ V. ^9 Z+ J* f- j: b% b! Z
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ x" ]: O9 M" e - return -1;( J7 ~8 h; S" `9 r( d$ W0 j! M+ c
- }
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- return 0;
5 T2 z, q1 g+ T3 I, R! D - }
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- int main()' k m" j+ S' Z& H, k- R; V- J# K
- {' d% o" y, v: v8 C
- char c;
" i5 }3 U$ y2 |' S. ^ - int i, macs[6];
0 I$ Z2 }1 {$ ~ r. O, M) _' f - unsigned char mac[6];0 u8 ~# J2 L) r4 g) G$ q4 a
- unsigned char stbid[256];& N$ `! r" `8 d, m* v) n
- / P7 o2 b* b" l8 r4 a" H. E
- if (readparam(mac, stbid) < 0)1 S6 s( u% |! D1 H' c6 W% N! A! R* |
- return 1;/ g% ]# o1 _: c/ k1 K
) S9 D) z- c; t7 ^1 G- printf("Current parameters: \n");/ \3 k0 \' I, ` E! k/ c) S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' @! W |- @- x. e
- printf(" STBID: %s\n", stbid);6 M- B1 M0 k& e6 o: m
-
8 a8 H3 L% Y0 Z4 F) v( Q: e - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ K& t/ I+ h Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! q/ Y/ D4 V, z% r4 z8 w/ Q
- printf("Input MAC error\n");
8 o# ^) c! T7 @8 w) K - return 1;
% d: f& \+ i8 k! }/ A7 F! S: T - }; [* n+ m4 u: n
- for (i=0; i<6; i++)mac[i] = macs[i];
9 N2 a( W; d3 f. N; \ - printf("\nPlease input new STBID: ");
& @9 ] S. d/ Z, x- U9 l1 H - scanf("%s", stbid);
0 Z2 K. G1 Y& m6 k8 j% o b - if (strlen(stbid) != 18) {
0 B% {: \" W) r - printf("Invalid stbid\n");4 Z; e/ _, o: o/ S8 V) P
- return 1;6 \; z2 t1 M) P- N
- }
, L( B6 N& e9 @) r1 T) i: P - printf("\nNew parameters: \n");0 C* s+ q+ W9 i: W1 t7 R7 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! C' L5 J8 [- L7 v
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
5 H6 f$ @9 Z) k6 r4 ?$ t/ o - for (;;) {3 L+ {: K) j# ?
- c = getchar();
; v& X/ T# v7 G; ?) I8 V7 I - if (c == 'y' || c == 'Y')0 V9 B4 A2 I( u: P1 _ c
- break;; F6 }# J5 i: J
- if (c == 'n' || c == 'N') {
! z. _( c# ~5 m8 F/ o9 u/ i) ` - printf("\nAborted.\n");* V- G! [6 T) l+ s5 `7 [1 I
- return 1;
- V7 ~9 n y. k7 ^$ U. e) t5 e( d - }! b% j7 [4 r* q8 m6 V2 \
- }0 \; N0 A+ j \2 n6 [8 G. W
- if (writeparam(mac, stbid) == 0)
+ g7 m! v5 \) |, p, V g - printf("Parameters changed.\n");2 s6 A3 Z6 o2 k' A
- , o M* p9 B$ ]. z( q+ J. v
- return 0;; v0 t. G3 M. ~6 L3 T4 E
- }
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