本帖最后由 0522 于 2012-3-21 23:04 编辑 / J( f6 k, c# z* J' `/ q
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修改的代码早有了。到今天不会编译。- o; g k3 S8 K2 l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& q8 c4 `# k2 l3 E
- #include <malloc.h>
, Q( u( G# V8 D& m% B! [ - #include <sys/types.h>+ k/ @2 m1 W2 D* {+ r
- #include <sys/stat.h>* U8 L' o& |2 R9 _
- #include <sys/ioctl.h>
n5 o' O% f4 e) n% s' _( `, ^ - #include <stdio.h>
! i, V. a7 t) h2 \ - #include <string.h>2 p; O8 E6 @& P& P4 L
- # l# s# [! \- {- y2 Z
- typedef struct {
/ Y% f# j+ u1 m& S% i$ z4 H. P - unsigned int e2prom_cmd_sub_addr;7 C9 l! E2 x) G; d
- unsigned int sub_addr_count;1 b O' O/ x$ s4 \9 v
- unsigned char* e2prom_cmd_data;
( M3 _9 x7 g0 }- A7 W" _ - unsigned int data_count;& ?6 H2 @. }6 M/ I8 W
- } e2prom_s_cmd;3 b C, `0 }9 U" f
: {5 m# ] {" r- G- #define E2PROM_CMD_READ 1- X; v6 ^0 K% }, x) o+ \: }
- #define E2PROM_CMD_WRITE 2
' C3 D" b. q2 R - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& {4 y+ R8 `2 e P
2 z6 ?% y' U% u* t/ Y- static int readparam(unsigned char *mac, unsigned char *stbid)
5 K, ], C. P2 D7 b0 `4 ~% E - {
$ j* a/ F a% h& j' ]4 Q - int fd, ret;
7 g6 M) v' ?! Q/ c$ j/ f% H - e2prom_s_cmd arg;+ r- ^6 Y6 ~2 m( v
- unsigned char buf[0x18];% n' i7 f: L) J U
- 2 H3 W0 z8 f x5 }6 p) |* h. \
- fd = open(E2PROM_DEVICE, O_RDWR);
' b$ z. i$ j* v3 E: f* P1 o, Y - if (fd < 0) {5 j# U: J& u. Y2 ?
- printf("Device %s open error.\n", E2PROM_DEVICE);- h6 ?6 X0 A+ c+ t
- return -1;
) ^9 |- k& g4 Y4 D - }
- ~: O& v) @# ]( l - arg.sub_addr_count = 2;
2 y& s; n! u3 H. X- s+ M7 C; ] - arg.data_count = 0x18;' ~( [) c& x! ~$ m; B- m
- arg.e2prom_cmd_sub_addr = 0x290;% p0 {2 ~: J" ^" Y( t7 J: u) @* ~
- arg.e2prom_cmd_data = buf;
3 D. W- L' p/ O# B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 ^9 l- G0 |! ~% k. C; a - if (ret != 0) {9 i2 C) v, ]& G$ n% V
- printf("Device %s read error.\n", E2PROM_DEVICE); p- @% F+ m* I4 S# k
- return -1;
5 q- R' s- y& {- S+ z$ ~7 a - }7 ~: M" s$ g1 f) y& S: g/ C
- memcpy(mac, buf, 6);
0 y6 m7 F( U1 J4 u( h1 L8 V - memcpy(stbid, &buf[6], 18);% O, @# m( a6 q! ~ g
- stbid[18] = '\0';
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$ d# z( P$ q+ A1 l2 T- return 0;( x3 Z6 M5 d( \) N* `$ w
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 e2 i7 K( G8 p - {
( p! x, Y- ?0 ]6 z- n; { - int fd, ret;; F. k) ~2 R/ F/ Q# [: C
- e2prom_s_cmd arg;
# } l& W- X& y - unsigned char buf[0x18];: e( Y4 m2 z! a
- * `' N E% B7 Y* i) {
- memcpy(buf, mac, 6);
1 Y' d7 p% c; p/ @5 y - memcpy(&buf[6], stbid, 18);$ } B1 _( ]; Z$ h2 B+ n' @5 {1 }6 L
- fd = open(E2PROM_DEVICE, O_RDWR);
; J0 q3 X- ^( E& r2 } - if (fd < 0) {
, c+ v O9 B' O3 C - printf("Device %s open error.\n", E2PROM_DEVICE);
! w' Z0 Y7 j8 G; y9 d+ D - return -1;
+ X" I j2 y) ~% s/ \% t - }' s- d& v/ [0 r1 Q
- arg.sub_addr_count = 2;
, V- Q! {0 s9 [2 W" e$ P/ [( H - arg.data_count = 0x18;
, W P# A4 l i a( ? - arg.e2prom_cmd_sub_addr = 0x290;) C) z3 e; R: K4 X0 ^9 H! d
- arg.e2prom_cmd_data = buf;
# m! c* Q+ R: E; P( b& r - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! Z2 |6 t0 m. i; N* s0 m - if (ret != 0) {
. _2 C) F) h6 ]* [& n. C' T: b - printf("Device %s write error.\n", E2PROM_DEVICE);
% e+ r5 V6 b7 a! M/ \* L - return -1;
+ g+ ~7 k8 t% U& U* s. {: V1 R - }% [3 B+ r2 f2 O
- ( U3 G. d5 }3 c5 ]* K" ?
- return 0;; l4 V- f7 _5 v0 g
- }' `1 M8 O; ]' F0 o" o! F( E# G
- @: ?& }. Y( }; D* D' }- n
- int main()/ {; f0 s4 P3 r0 I" t
- {: f, }9 |( J9 ^7 q _( C5 n% V
- char c;
% F2 n) E) s0 W* ~/ T$ z - int i, macs[6];0 |, b. C, L+ @; o; U
- unsigned char mac[6];! @$ z6 ?* z, r1 B& W1 c
- unsigned char stbid[256];8 k* r+ |: t) M( O% l/ q
' V: p0 C+ K& X! k5 C9 L; L6 }- G4 R/ N- if (readparam(mac, stbid) < 0)
8 O4 t8 ?. o8 e: j8 I, i% l7 R - return 1;0 R. k' s( G0 R4 W
- ( A! ]0 a( N! b1 k7 }+ g
- printf("Current parameters: \n");
4 V$ k) \4 a6 @, \" k5 f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( U4 l. ?3 D5 j4 f3 b; H - printf(" STBID: %s\n", stbid);
- {' c& V2 a7 u! c6 ]$ A - 6 q9 H, `- E+ F/ C
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: _8 l, J ?7 x) t - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 D7 F; b, b- V5 F* L% q" V* H3 u - printf("Input MAC error\n");* @, _7 p5 h5 c( c: g$ d9 R
- return 1;4 Q) S7 p- a8 Q( w* W: i
- }
9 \! p: N, T" D( Y: M6 w - for (i=0; i<6; i++)mac[i] = macs[i];& _2 r" m% D8 T1 Z) {1 h
- printf("\nPlease input new STBID: ");- C% i! r0 Y! ]8 Z+ H
- scanf("%s", stbid);
; E: {1 O+ Q# d4 r/ D - if (strlen(stbid) != 18) {; E+ w* X- b) s3 J- K
- printf("Invalid stbid\n"); i$ c/ {, S! u4 w* M
- return 1;
- Z1 I! G, B' N6 _3 y4 t - }* v% c4 |. O' H8 U I2 a$ G
- printf("\nNew parameters: \n");* V; q) @8 E4 z9 ?5 G$ T- a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% w/ y1 m. N$ w2 h" ` - printf(" STBID: %s\n", stbid);
+ a7 o* B$ x+ u9 [8 O% x - 3 C$ W/ l$ t9 l3 z4 l$ X5 r
- printf("\nDo you want to change paramemters? (y/N) "); k4 X6 Q2 w+ F0 O% w
- for (;;) {
( `# }9 O" }$ L4 f, ^0 } - c = getchar();
% |, |- i, U) r. [; N - if (c == 'y' || c == 'Y')) ^- x* U% @$ \( [% m: V
- break;
: C! _1 Z; V- R3 K$ @+ ? - if (c == 'n' || c == 'N') {
+ y1 ^: {& \1 C/ ?" i& l9 H; S - printf("\nAborted.\n");" F5 q% B/ {+ C& z8 P- _; t! j" S
- return 1;
. R) n% g9 V& u3 f& o - }
" v0 S, X1 b, {. O - }
+ c0 ^7 f& q$ O% y B5 L$ n9 O$ S - if (writeparam(mac, stbid) == 0)
* f7 V" t8 y1 q" A4 w - printf("Parameters changed.\n");
: c. l6 `" e% L* T% a% F+ ` - 3 T7 D5 k1 r8 S$ i! Y# O5 t5 C
- return 0;4 d$ b& I2 H) \3 d, g: e
- }
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