本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。 R" l, n# [# S# |' M2 B: o2 |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% v% g% H, b1 w; {
- #include <malloc.h>
+ j# s. P. |6 k: J( `! h - #include <sys/types.h>
8 E9 Z; t1 a0 v! G* K - #include <sys/stat.h>
1 W& J$ G5 X" i7 y, g - #include <sys/ioctl.h>
" r0 b' x3 K- q1 ~( e# F- O - #include <stdio.h>
' I6 q- ^2 A% l - #include <string.h>( q% I9 A e- j, e5 w6 _! r
- * U3 H1 K6 f5 z. x$ C7 F
- typedef struct {1 @5 K) u$ U8 G5 t' O7 F
- unsigned int e2prom_cmd_sub_addr;0 N1 ^8 s8 z- u+ x: v( a
- unsigned int sub_addr_count;5 E4 C+ s4 q. O! Z( J' b9 i, v& w: F
- unsigned char* e2prom_cmd_data;5 }. \& L' F, M) I+ f% i
- unsigned int data_count;; L9 y% a/ G! O# K2 L( _
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1; N9 Z- M" X7 p" e0 L8 i
- #define E2PROM_CMD_WRITE 2
; x2 |6 r' Q5 L8 r6 i/ P/ N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# z4 x% `+ g) \, L7 ]
: }/ @3 [6 p9 [- static int readparam(unsigned char *mac, unsigned char *stbid)! t7 c- ^7 |, Z+ Q4 P, [1 ]2 P
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- int fd, ret;
2 b9 t0 r0 D7 D/ Y4 R Q7 p( Y - e2prom_s_cmd arg;
/ ~8 @8 Q' q$ y, v8 c( h! r - unsigned char buf[0x18];; M: l5 Z6 S9 o. c0 u6 B& T* q
7 p% @$ [/ ~, B z$ d: a# ?- fd = open(E2PROM_DEVICE, O_RDWR);
! d0 ]! W2 D7 H0 z - if (fd < 0) {
" Y6 f! E) z$ z! z) b' C - printf("Device %s open error.\n", E2PROM_DEVICE);6 G L) m% u+ x/ E! p
- return -1;3 ^/ C! w9 v- o; D) f
- }
1 Q- K3 D7 q5 ~, b1 |( c& E - arg.sub_addr_count = 2;1 a* I" D9 e* f1 Y
- arg.data_count = 0x18;
$ ^& V5 N9 I8 v* m$ } - arg.e2prom_cmd_sub_addr = 0x290;
/ }9 ]& w8 i& d+ `9 a5 x - arg.e2prom_cmd_data = buf;) e0 p8 s2 k, T: e1 X: G8 g% \8 `0 [
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ p2 ~4 a0 u8 c8 v5 f! M - if (ret != 0) {
( a, Z: R f7 E6 E3 c# ], k - printf("Device %s read error.\n", E2PROM_DEVICE);. q! I3 Z# m! k8 o
- return -1;; H6 A% d' b1 F9 x
- }
: ?, V! d$ \, @! U - memcpy(mac, buf, 6);8 b* W6 e& J# k7 `& z* M& X' V
- memcpy(stbid, &buf[6], 18);* `4 C4 f* {$ A0 i! ~& e4 X
- stbid[18] = '\0';! l9 @, v7 G4 V: d/ ?- b9 d
- " a! W( `) C( x3 A. @
- return 0;; c; G8 B3 v) ~" M7 ?8 Q( Q( G- n
- }4 L' f$ }9 K, l0 J# A# J% J2 H
- V- ?7 w% c8 ?6 @7 L( i
- static int writeparam(unsigned char *mac, unsigned char *stbid)( K& g: G3 S. z/ z
- {
& {# s" p0 T( Q; ?6 D - int fd, ret;
4 a, t& x5 J& _& w. l4 k* [ - e2prom_s_cmd arg;/ S2 j- j4 F3 }; }9 t# y2 J4 P; _
- unsigned char buf[0x18];- b, @0 g, \* _1 H( q& ~
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- memcpy(buf, mac, 6);
3 e, M" F; K t( i9 C# N* q - memcpy(&buf[6], stbid, 18);
' D2 C, A, d; p - fd = open(E2PROM_DEVICE, O_RDWR);
% {- ?! C$ Q7 q+ f) @. c5 O - if (fd < 0) {
# {0 a; t4 o: f1 O+ ]8 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);+ W9 g$ R2 S& J
- return -1;7 D2 o4 a/ T9 _: e& N$ l
- }9 g" Z$ G9 B5 t e8 k
- arg.sub_addr_count = 2;% }# v) S8 a! c, z2 {, E* |
- arg.data_count = 0x18;
: ~1 ?& Q1 F9 ^+ ~2 x4 v# R; S - arg.e2prom_cmd_sub_addr = 0x290;
8 T/ T6 Z. b3 P) h7 u5 K( i - arg.e2prom_cmd_data = buf;) N7 A2 |: F- W% {( \/ ?( Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ T; c2 q' ~5 m8 L# Q! k - if (ret != 0) {: j/ p1 s" P) B! i" y) J% L
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 r( @" Q! D* @( H; H/ ^ - return -1;
1 Y) A' ~' _ `" W0 A5 k - }
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- ?, E+ H7 E4 S- T. y! o- return 0;
6 h1 l- Y4 x" o6 W2 e - }
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6 l0 R5 Z; M" _0 S8 v' n- int main()" H( @/ R6 y/ d9 j- E
- {
: |" e$ U0 [& U% V' l0 v# g { - char c;# m& B8 @: T) R h- j) n
- int i, macs[6];4 y2 A, ^8 K k4 Q3 N; e
- unsigned char mac[6];
) L1 o1 Z2 G6 r9 a3 Y2 ]8 Q - unsigned char stbid[256];- [: o' D3 l5 L& l( l$ @
- ) |/ b: h% ?# z8 h) S
- if (readparam(mac, stbid) < 0)3 _7 ?+ }* T. p- t4 a9 }8 w
- return 1;3 H: A) \$ u* ]* ^7 N
- & |: w' E9 L7 J. }) }+ L
- printf("Current parameters: \n");4 h2 ~; O: @* ^+ u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 Q6 H$ e. ?( u
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ F# S$ @/ _8 f! j c, f9 r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ W$ A- h; q0 |% N
- printf("Input MAC error\n");# R- G3 F8 p7 ?7 l7 S9 o$ t0 g
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
2 B6 F$ \! \) H9 }. a8 | - printf("\nPlease input new STBID: ");
! T+ r/ O5 o. r# E# l - scanf("%s", stbid);
1 \+ x. L0 T f! x - if (strlen(stbid) != 18) {
. k. J/ s1 g' b4 u$ h - printf("Invalid stbid\n");: g; _( ?( P7 G
- return 1;" n0 h/ Y6 H @
- }6 H, T( q7 K; O1 ]2 v$ u: u
- printf("\nNew parameters: \n");
! D6 l% P) N8 p" @& d. {( v1 p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* w# B# c5 \5 W! n - printf(" STBID: %s\n", stbid);
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3 t' B6 s4 W5 O* d; u3 @% E" U, S- printf("\nDo you want to change paramemters? (y/N) ");7 ~4 o* s. T% @. O
- for (;;) {, o0 M+ t( {/ I9 }
- c = getchar();
6 J* K/ t1 j- p7 o' z w3 ? - if (c == 'y' || c == 'Y')
: g7 ]: A" m, Q( U - break;0 V* g( S0 @. }$ e R, x
- if (c == 'n' || c == 'N') {6 J5 \1 E8 ~6 f2 w5 T
- printf("\nAborted.\n");
6 W! n5 f' @5 ]0 ^ L6 n - return 1;5 _: n/ Q) S( w. f$ l
- }
& g0 u1 {7 S# @* {- c) R - }
+ O0 V: r& p. J( D$ a% y t - if (writeparam(mac, stbid) == 0) + v1 x# U" t' r& U1 S3 K8 q
- printf("Parameters changed.\n");6 v' X' b! D4 Z1 W* J; t
" b1 S( B( u! [0 i# W9 T- return 0;/ I7 M5 v2 ?$ ~+ I1 _
- }
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