本帖最后由 0522 于 2012-3-21 23:04 编辑 : p. U( h) Y* y1 R% q
0 s+ M. N9 G V5 o9 f修改的代码早有了。到今天不会编译。" \0 W1 I, E5 z1 }: O' _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" [$ L1 ^( V# ]6 b) {7 q
- #include <malloc.h>2 O: ^/ S4 N% U
- #include <sys/types.h>: w5 W9 N* S5 t+ R/ e
- #include <sys/stat.h>
! n( p5 k( s6 [8 K7 [ - #include <sys/ioctl.h>! e4 T" G# Y. y' E7 U. Y
- #include <stdio.h>2 N! z8 R( k' m& @
- #include <string.h>
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- typedef struct {/ d; u4 v' K. f4 N% W- o9 S, n
- unsigned int e2prom_cmd_sub_addr;' a8 i1 m# z) M- d; i
- unsigned int sub_addr_count;, O. l) D5 z# X+ x. D! E7 U2 @
- unsigned char* e2prom_cmd_data;
1 B# C4 l, ~) D- U - unsigned int data_count;, g4 Q( S4 L" p4 y
- } e2prom_s_cmd;
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" a* A8 b& p S) e- #define E2PROM_CMD_READ 1. x1 b' _$ [8 v H- D: i) g2 F
- #define E2PROM_CMD_WRITE 21 h: b5 e' m" D+ P* O+ {9 d, T
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 x4 T( W! D4 z! a/ D* q1 w# Y4 U$ r
- 9 \! N! n" c1 }/ m. _, ^( y
- static int readparam(unsigned char *mac, unsigned char *stbid)
* I& p! e4 o" y. D - {
. W: y& |) ?% c! d" q9 h - int fd, ret;- V/ l* w v* i5 ?' a; v. o* L! H
- e2prom_s_cmd arg;
5 c U% O c7 ?& H' o - unsigned char buf[0x18];$ P2 `' ] A6 Q, q5 V" T
- . k D5 q+ i5 H E i) A: j
- fd = open(E2PROM_DEVICE, O_RDWR);
- W& P% `% q: `% s2 |& g - if (fd < 0) {
& g8 p3 I0 O9 Z+ ?; m; j - printf("Device %s open error.\n", E2PROM_DEVICE);
/ C3 A* K2 g* S$ [1 _- {9 u - return -1;
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- arg.sub_addr_count = 2;
4 R- Q- n2 O, g& b8 [2 v; q, `& o - arg.data_count = 0x18;
# e2 u& u3 i$ d& H - arg.e2prom_cmd_sub_addr = 0x290;8 k- j/ O9 n- B9 u% a
- arg.e2prom_cmd_data = buf;6 @8 p+ l; x# ]; O, X9 D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 ]9 R( X% ~6 G& C% o5 M. f M
- if (ret != 0) {+ V+ x6 r& T( d+ }) @/ F
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 x5 a( P- \/ B - return -1;
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- memcpy(mac, buf, 6);
( ~8 e1 s" k6 p/ b% E# {& l& Z9 L - memcpy(stbid, &buf[6], 18);
% Y& Q j) f4 e5 P; G, s - stbid[18] = '\0';
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- return 0;
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- ) r1 g- ]9 D# ?; p1 j
- static int writeparam(unsigned char *mac, unsigned char *stbid)
: M8 W' G! c) Z - {% [, I: x# U& |5 F1 C2 R
- int fd, ret;2 B2 x4 _' }5 Z3 w% c; R0 ^9 j
- e2prom_s_cmd arg;( [1 p0 Z2 @; K
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
. h/ A8 t5 \7 a; x- O7 P- g# W - memcpy(&buf[6], stbid, 18);
+ L1 }9 G4 k( |! t0 E - fd = open(E2PROM_DEVICE, O_RDWR);1 e/ b* J# ^7 r
- if (fd < 0) {4 D9 G0 {2 P, n+ W; f9 m t
- printf("Device %s open error.\n", E2PROM_DEVICE);
' u W- n1 `7 u2 s# c. [, X3 @ - return -1;
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- arg.sub_addr_count = 2;
. L6 v" Z5 e: r - arg.data_count = 0x18;
) a R; L5 W- V; Y2 |; E% U% N - arg.e2prom_cmd_sub_addr = 0x290;
+ T" S8 ^' A) `/ {( x - arg.e2prom_cmd_data = buf;
0 O$ o+ i, h1 ?! W* _4 N$ Y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 I4 z; |+ V) A% B5 E+ Z
- if (ret != 0) {
5 L r; K3 |3 u) n: y) G - printf("Device %s write error.\n", E2PROM_DEVICE);
' ~+ e- R0 s- [! y4 N. [/ T: f6 W* s - return -1;
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- return 0;
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- int main(): z% q& `9 f; B1 h, }
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- char c;0 b1 b0 {0 G3 T) I. D
- int i, macs[6];
6 A6 L* ?& C ^7 T: |4 Z$ ? - unsigned char mac[6];" S$ K1 K" |/ E
- unsigned char stbid[256];; w5 ^! t; ]4 b4 v! s7 @0 P. U
6 L) U3 W0 F8 B ?5 i/ D; K% P- if (readparam(mac, stbid) < 0)
) a' ^2 P% t3 u4 ?. w$ r8 h) D7 d - return 1;
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- printf("Current parameters: \n");* {9 O) ?6 m- |9 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ c# @/ o) j6 N; [' H. I
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: j/ ?' r& c; d - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, k+ h: ^; |9 I8 e. f/ e& { - printf("Input MAC error\n"); _; w+ Z% z' e( O' p6 |# a8 F
- return 1;
6 t; g+ j( u$ F2 g2 F - }
+ E! `) }) b3 g - for (i=0; i<6; i++)mac[i] = macs[i];
( \( i8 ]; F7 t' k - printf("\nPlease input new STBID: ");" P0 w1 f! \; g, p
- scanf("%s", stbid);
6 C$ m# r& J% ]# Z: G - if (strlen(stbid) != 18) {* u; B, o+ r; V; @! a
- printf("Invalid stbid\n");
% a& i% C9 r6 _6 O( N - return 1;
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- printf("\nNew parameters: \n");
; v4 d- [7 m! ~3 N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); T& k# f# b1 H5 w( `( o+ {8 s
- printf(" STBID: %s\n", stbid);; f, D! G4 y' V; [3 P, x, R) h
- 1 @+ ?1 @0 R7 {9 {6 X
- printf("\nDo you want to change paramemters? (y/N) ");8 w9 k+ i8 S5 M1 X- a/ m) ]
- for (;;) {, [7 R2 T! K2 j- a6 k0 x
- c = getchar();' t G+ Q( v J; _6 O' F! T
- if (c == 'y' || c == 'Y')
! o( s: `5 [( p8 g0 R) c - break;
9 K5 k6 k: ^: {5 a0 `) K - if (c == 'n' || c == 'N') {" Z) Z6 p( t5 @+ j Q! E
- printf("\nAborted.\n");1 F/ d8 N! R: g8 s5 j
- return 1;& Z H f4 g- T. N- y' b: G5 \, x
- }8 U5 x) N% ^. |
- }
* {% u( y5 p3 S4 }8 b$ J2 K" [' y - if (writeparam(mac, stbid) == 0)
" Q0 Q! p7 A. M$ Q! _ - printf("Parameters changed.\n");0 o) z( C j& @7 m$ W/ E: c7 x
; I' u$ ~- d: u- [- return 0;9 V; [6 V/ e: E+ q
- }
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