本帖最后由 0522 于 2012-3-21 23:04 编辑
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: @' E f2 I- }) L8 q7 ?修改的代码早有了。到今天不会编译。
- Z' N- J+ E7 G* t+ U7 @, E# X/ F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 \' S# b$ ~' R! i - #include <malloc.h>
6 A4 D$ [6 a& I2 k - #include <sys/types.h># K+ z" J: u2 z& g
- #include <sys/stat.h>
# P: [% ]/ A& m- f6 m - #include <sys/ioctl.h>& D7 |/ c& S* T4 X/ P( G9 @) v
- #include <stdio.h>
8 c7 _; p Y' v' \# M; [% Q - #include <string.h>
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; h C. ?6 Z, T- typedef struct {
: B# T. t7 k7 j+ g; ? - unsigned int e2prom_cmd_sub_addr;
9 N& O, u- I+ H% \0 M - unsigned int sub_addr_count;) Q1 `% f$ R* _- R) z
- unsigned char* e2prom_cmd_data;
+ t' V( A/ K+ k - unsigned int data_count;2 Z! I1 R7 J, g. k
- } e2prom_s_cmd;
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) x' x1 F) }3 ^ S" b- w- #define E2PROM_CMD_READ 1* `9 w! }- |/ Q9 a4 ]! A$ V
- #define E2PROM_CMD_WRITE 2
6 m# I0 j8 h& z! {- p9 t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; B- I. R8 `: H8 l, ~0 k- static int readparam(unsigned char *mac, unsigned char *stbid)
) P8 ]) d0 C- {# n3 O( j* M - {- `% ?- v2 q3 E4 ~$ e
- int fd, ret;7 o( e( g7 U6 L( x9 U; N- t
- e2prom_s_cmd arg;
9 j4 p. b5 u: W3 i8 I - unsigned char buf[0x18];
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0 T5 b& O6 o5 r! E+ r# i) ?- fd = open(E2PROM_DEVICE, O_RDWR);- _: `4 s5 M3 y0 K0 h
- if (fd < 0) {5 T2 _- n5 g3 s7 q
- printf("Device %s open error.\n", E2PROM_DEVICE);( |) P( c9 e7 C, P( G3 m: O8 G7 A
- return -1;: |4 Z1 X* X a0 S* F
- }1 @) Y! [% e0 C
- arg.sub_addr_count = 2;
8 y9 \0 U5 v, D1 g6 q. ?2 @ - arg.data_count = 0x18;& c. Y+ E- R3 w9 _
- arg.e2prom_cmd_sub_addr = 0x290;
6 O% ]5 K" ~/ ?, }" a - arg.e2prom_cmd_data = buf;
$ j r% D+ ~, h- _- I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ }) u$ z; D. ]
- if (ret != 0) {
1 a0 q5 a4 M, g- f5 q( R3 j - printf("Device %s read error.\n", E2PROM_DEVICE);: j( e* L+ C" G% Y
- return -1;
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- memcpy(mac, buf, 6);
I% A/ f4 t( ]- |# D - memcpy(stbid, &buf[6], 18);
, [/ X" \3 F/ E - stbid[18] = '\0';5 E* W! w1 `+ E/ ]+ o3 u0 E
- 3 t5 s% N; K' W3 x$ Z; `& H3 f
- return 0;
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8 s, W; E6 O- c! K2 ^; Y+ P- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
, @+ g5 @, d! o4 r - e2prom_s_cmd arg;, N8 r. {5 Y8 V- F E
- unsigned char buf[0x18];6 P2 f( N# ~2 h* C7 |
0 { [- o+ A8 U7 [0 O q8 Y- memcpy(buf, mac, 6);% @2 v4 @& W+ B( ^6 e D) e
- memcpy(&buf[6], stbid, 18);( N2 Z" j$ D7 ]
- fd = open(E2PROM_DEVICE, O_RDWR);& d2 Z6 K9 D D( M( k; V5 o# F6 x
- if (fd < 0) {( q" ~) Y) v' J% L, I. |
- printf("Device %s open error.\n", E2PROM_DEVICE);3 L3 E( P# X5 x) F
- return -1;
# J( w' [6 T7 i - }
" H. a, H9 i+ ?9 {; {# u. V% n - arg.sub_addr_count = 2;
2 q$ m$ g" R. {- b - arg.data_count = 0x18;) U6 ]0 k9 g8 Z' K d
- arg.e2prom_cmd_sub_addr = 0x290;
% N, J& X) v* R: C% _ b" A) ] - arg.e2prom_cmd_data = buf;
2 v! ]+ }% t- r& Z5 o- L/ n: g" ^2 Z% ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ e3 S" |; E1 o# D+ M( ]6 h( L
- if (ret != 0) {( K4 l# [" e: w3 D; N2 u* U4 \
- printf("Device %s write error.\n", E2PROM_DEVICE);
) h+ I( R0 d7 ^2 g4 o - return -1;! j' c% w' @2 _' L' ]3 l% _
- }3 F q% X: j4 {4 h( b
: j- f7 m% Q( J8 W- return 0;
4 b z. w) k" G. t0 _' b8 Y - }
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4 K# k3 z8 g& C& K1 r7 f- int main()$ o3 P! p6 B) {; @6 ]- q" Z
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- char c;7 s# O" o* @1 G$ ]' | c
- int i, macs[6];/ c9 Q t% L9 I6 y
- unsigned char mac[6];
, c/ J" j7 m$ x - unsigned char stbid[256];0 c& I" w6 v+ }. p1 i5 u [
- / K( t! D9 }/ _, {; t
- if (readparam(mac, stbid) < 0)8 {" B3 b) s( b0 ? F
- return 1;
+ }. O* ~, c& T0 F - , X0 ^, i7 U* x7 R( y% j6 v8 A
- printf("Current parameters: \n");; o7 J \6 v1 V% M6 x$ j: K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' e% Y6 t: _% l
- printf(" STBID: %s\n", stbid);
0 V8 \; ]# U/ G% S - # G3 s* v$ e( N6 f( D- h! p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ u% r+ V' S6 W" x# u$ n' a1 w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- b7 w9 `( R; J( H5 o3 h1 f - printf("Input MAC error\n");
/ F# x7 s5 e. ]6 K6 g - return 1;1 H* j/ X7 }+ z( h1 p7 {+ J
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- for (i=0; i<6; i++)mac[i] = macs[i];# Y. e9 l y& k. |9 Q
- printf("\nPlease input new STBID: ");3 r; J z! e( @: F ^" Y
- scanf("%s", stbid);
. h- c1 K5 I0 H - if (strlen(stbid) != 18) {$ h2 s1 w( K. o: M* R; N0 O3 w7 a
- printf("Invalid stbid\n");7 b7 D9 I8 K3 |2 Q
- return 1;
" t6 ^* c( {) ~, T - }
9 z1 s, i6 r' R5 ^ W6 q - printf("\nNew parameters: \n");
2 i# R9 I( X! z# I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ Q; P2 L% S: \1 z4 ]2 T
- printf(" STBID: %s\n", stbid);$ ^+ C7 d: E _5 b1 J
- + Q/ ^" ]: T3 x
- printf("\nDo you want to change paramemters? (y/N) ");' ?2 [% @0 U; l$ I6 d% ?, [5 k
- for (;;) {
4 Z1 Q. N9 z6 }& m8 \- c2 i0 n4 N - c = getchar();7 E/ i9 Q t& w1 U7 e
- if (c == 'y' || c == 'Y')
/ K8 j; h0 l$ a$ e) _" k6 v - break;/ \9 `3 s8 q9 G6 C" _+ B5 Q
- if (c == 'n' || c == 'N') {5 P4 v" ?4 P+ X3 P. n
- printf("\nAborted.\n");" c) n- ^6 ~8 Q" E
- return 1;+ I- y7 U2 a q% i, [2 T% v9 @1 X
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- }0 X7 N" L3 V6 Q3 L3 L( L7 q' W* F
- if (writeparam(mac, stbid) == 0)
) V- j1 u a: @. r' Q5 N6 X - printf("Parameters changed.\n");
+ w6 U$ U. |+ A6 i8 d: ^
; b4 H: \# G2 S+ _- Y' E- return 0;- a' _8 L4 }; u. v
- }
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