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。/ k: V1 k' r! O3 J; `
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% r% S. n( }, | - #include <malloc.h>( \ L- y: v3 J% l( l: u
- #include <sys/types.h>
b; t4 S$ S, H% J! r6 _ - #include <sys/stat.h>
6 ?: _: o* ^6 g8 f+ f3 }3 v - #include <sys/ioctl.h>( e4 O- e N. L' c
- #include <stdio.h>0 A3 |% i& n4 }+ H' [0 j g( L2 O% ^
- #include <string.h>
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4 n! j* S% g" q; N" @, J- typedef struct {- }" P; t6 }& R2 X# p, h6 a
- unsigned int e2prom_cmd_sub_addr;
7 [* b1 j0 W' g" Q+ H* r3 N - unsigned int sub_addr_count;
* n0 W) P, M" I, [' _ - unsigned char* e2prom_cmd_data;3 T3 E7 m' {/ B5 V6 F7 @$ F3 A' W
- unsigned int data_count;
+ P( [1 T/ D4 t. Z, k( H - } e2prom_s_cmd;# P# R. {8 U) ] M8 _
% [0 j; J# s, i1 c2 w# M- #define E2PROM_CMD_READ 1
2 n5 I8 L/ P3 ? - #define E2PROM_CMD_WRITE 2
- x0 |- a5 E. N3 f4 p2 E8 `# n4 O2 w - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") ~6 [0 j/ e" N: |
+ g5 K. h$ N$ A1 L: P: u- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; e: e& K8 D6 y7 g0 s- t: V
- e2prom_s_cmd arg;& U0 d/ X# }6 G# N. r2 m" K8 D( ^
- unsigned char buf[0x18];3 F& G. o( a; p" B- L1 p/ p
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- fd = open(E2PROM_DEVICE, O_RDWR);. Z- U6 |/ V* e# }
- if (fd < 0) {3 Z1 M. @+ s) m, f
- printf("Device %s open error.\n", E2PROM_DEVICE);' I _ T- K, g: V
- return -1;
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- arg.sub_addr_count = 2;
. i* b1 h0 u0 | - arg.data_count = 0x18;; o/ O- h2 V' L1 N% g/ b3 h
- arg.e2prom_cmd_sub_addr = 0x290;
2 n- a) }' ^$ |2 P, o9 f4 l! g - arg.e2prom_cmd_data = buf;
1 ^9 R; E2 b& R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' i" D' Q3 O5 G/ G' }1 l - if (ret != 0) {
0 G2 w4 p$ k3 v# L) Q" D - printf("Device %s read error.\n", E2PROM_DEVICE);2 Q% o7 F L& o/ n, B
- return -1;
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- memcpy(mac, buf, 6);) }4 z- i! U5 j
- memcpy(stbid, &buf[6], 18);% J4 H) V6 w, F: I2 ]
- stbid[18] = '\0';
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! _0 a1 \7 E: x/ s- return 0;) [& f4 G8 e8 }: F) A. E8 ]
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 n. b- @2 a- P# C u- T0 _. r - {
6 u% M7 X, b/ a7 v% ~ - int fd, ret;
% K; k- W4 [% h, K - e2prom_s_cmd arg;% ?1 F) W9 @; n& |/ A: j
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);* w! T; }+ z" K; L t0 `8 y
- memcpy(&buf[6], stbid, 18);
6 s5 F a% Y* |2 u - fd = open(E2PROM_DEVICE, O_RDWR);2 L9 x1 k* P# O" m9 M* c& Z3 L
- if (fd < 0) {
/ \ |, B7 y- G! ^4 m' R - printf("Device %s open error.\n", E2PROM_DEVICE);
c7 ~3 _$ j. h, l% M& V. b- O - return -1;' ]) m4 o5 h" w7 p9 @* T$ T
- }
% f" ]) i K8 V% W3 | - arg.sub_addr_count = 2;+ Y( W, y7 U$ F! R2 F" n' U7 A
- arg.data_count = 0x18;
/ S' d( o8 G9 p$ l+ j* } - arg.e2prom_cmd_sub_addr = 0x290;
, W" n7 E2 \6 W - arg.e2prom_cmd_data = buf;
' n' V' p% p$ S# N. H - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. f- J) Z# A# c0 K2 J7 v) U - if (ret != 0) {3 ~- v- z+ |' w0 e" ^2 g
- printf("Device %s write error.\n", E2PROM_DEVICE);
^* ^. E: \$ g x4 F# t - return -1;/ K B' @6 \8 w! u/ l" t( h9 O4 h! m
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P1 A+ A/ {' h- H. e& F$ g- return 0;: {0 C/ v* }# \1 g; ~- K! H3 Q
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- int main()
, U2 |9 T! B$ N - {
$ @8 d0 M# [% {$ S - char c;
9 B& ? A4 F ~& C - int i, macs[6];
; P7 w) T! h* L& B - unsigned char mac[6];. f- q& L# A5 m
- unsigned char stbid[256];. a6 S6 i2 |2 z. f3 [& d6 D
- 2 d( B$ L$ \$ a0 h; R0 q7 t% p
- if (readparam(mac, stbid) < 0)9 ~7 `& Y5 G. F7 @5 S
- return 1;/ ?& i8 O/ S6 Y( h1 G
, e7 O0 m0 d9 p4 E+ L/ R: U- printf("Current parameters: \n");
' f% e% [4 X8 U% ~7 Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) g' t3 w- U0 \: y: | X- t3 y
- printf(" STBID: %s\n", stbid);
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8 A# e( U F" i7 q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ V9 j. t2 M& ^1 h1 I/ |6 [$ k+ C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ E4 w6 O' S( q* [. ]) e( V - printf("Input MAC error\n");# m2 F5 |' P8 U* L
- return 1;8 c- @/ U/ W+ X1 x, Y3 g7 G" { f
- }
6 s+ Q* e! V; W/ I9 b5 ? - for (i=0; i<6; i++)mac[i] = macs[i];2 O1 i$ Y4 s9 F
- printf("\nPlease input new STBID: ");
: H7 x% X0 Y: W& M- z0 U - scanf("%s", stbid);. ]) M9 z6 ~* `: E
- if (strlen(stbid) != 18) {6 O; j/ \+ m0 x" a: X
- printf("Invalid stbid\n");
( T' ~* y+ s" d) |. \8 r - return 1;, V! o( A6 I1 [& F# r0 o8 l9 m
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- printf("\nNew parameters: \n");
- s- q( \: b9 _; y6 m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- s* B- C) x1 Q& S0 m9 W
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
2 _# b% v# r& h, l- }$ ^ - for (;;) {# G0 Z6 |" @. ~$ G
- c = getchar();% F P# h# B8 q8 @$ M/ b
- if (c == 'y' || c == 'Y'): F1 D) {7 R2 ]8 R! U
- break;, @; } L h0 E; ~6 z% r
- if (c == 'n' || c == 'N') {
?4 m7 p/ @; j" T0 p" | S: A - printf("\nAborted.\n"); _. Y1 i2 W. ?2 |1 l" j7 N
- return 1;
! _! J' l" t7 w - }
) B& m% s) O8 {' I0 _ - }
# k1 [ }: h, j5 i& s% D( M/ Z) c - if (writeparam(mac, stbid) == 0)
# U9 c: o% h' H4 _7 } - printf("Parameters changed.\n");
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6 H( @6 z% B! w: P2 i2 Y8 R0 K7 F- return 0;( c6 P7 ?* Z8 s% ?+ y) l
- }
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