本帖最后由 0522 于 2012-3-21 23:04 编辑
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2 p7 i3 p- U9 J) w修改的代码早有了。到今天不会编译。 M4 }' I3 _+ X
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ _) R4 ~7 Z' O6 @1 b6 u: p - #include <malloc.h>, A0 m t/ q9 |+ c3 J+ m
- #include <sys/types.h>" J; o( ~: F# h; t
- #include <sys/stat.h>
- ~9 s( m3 h, ^& ^$ A4 p. ~ - #include <sys/ioctl.h>, v# S# w1 ?/ f& {# p
- #include <stdio.h>5 o" u) |9 m2 Z8 t- m; k$ l' T
- #include <string.h>0 p) j/ `1 L! {3 _. v
8 ?# K- [9 z0 r0 H- typedef struct {
- a4 H2 d+ [2 F - unsigned int e2prom_cmd_sub_addr;6 M- b S1 d, B$ \
- unsigned int sub_addr_count;0 q7 \/ {4 t5 C7 ]# k" {7 _
- unsigned char* e2prom_cmd_data;
- a2 V' p, N: l% |& [ - unsigned int data_count;0 p7 D) Q. H, m
- } e2prom_s_cmd;8 d- z7 Z# ^: G. ]
! d$ {. V" o" X( y+ E" j) p- #define E2PROM_CMD_READ 1
A7 ?4 t3 |1 X8 _/ t - #define E2PROM_CMD_WRITE 2
8 N2 |* g, t! S. D. |, c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" p Z8 `. [. h7 }$ y
$ W% v8 y6 Z1 v4 T& p9 p. [4 {- static int readparam(unsigned char *mac, unsigned char *stbid)
8 e8 ] _, l4 g- R$ E$ f3 p - {
' `5 [5 l& ^0 } x) \ - int fd, ret;
- }. c2 l) X) d - e2prom_s_cmd arg;! s! @1 j0 a2 M) w# u
- unsigned char buf[0x18];9 ?! N \3 p2 b7 l7 }/ R
) n+ A* N5 z" Q4 F& w/ \- fd = open(E2PROM_DEVICE, O_RDWR);# e( A2 X6 R6 _
- if (fd < 0) {
, H" v7 {7 e0 z- P& N; t, G D - printf("Device %s open error.\n", E2PROM_DEVICE);6 Q9 J7 U3 Y$ V. \" y; _% V% T3 Q
- return -1;
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- arg.sub_addr_count = 2;
0 g+ ?) P1 h& N/ y* s+ F - arg.data_count = 0x18;! [0 B/ V8 z. q3 b
- arg.e2prom_cmd_sub_addr = 0x290;
9 W5 c) {* s S3 w& ^9 n# _% {$ r - arg.e2prom_cmd_data = buf;1 O0 l; [6 G/ J$ u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, D# P0 f3 ~) U5 X - if (ret != 0) {8 D1 L& y4 ]' x. x2 w/ P3 T1 w
- printf("Device %s read error.\n", E2PROM_DEVICE);
4 k5 U& X* b5 o) H) ` - return -1;% v! w" H: h' k5 W$ F
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- memcpy(mac, buf, 6);. {6 s1 v# j* L- A, l b
- memcpy(stbid, &buf[6], 18);
, B) a m. ?; D. e. h( h - stbid[18] = '\0';8 {7 J M9 E* ?$ e
+ G' f$ B- c$ H- return 0;- w6 b5 h; W! [) T* O
- }
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2 J* ]; u+ C& n2 E" J, d3 ^- static int writeparam(unsigned char *mac, unsigned char *stbid)4 w3 ~: L: U1 M+ Z
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- int fd, ret;
+ ?9 {) ~* I4 P) _. a$ Z F - e2prom_s_cmd arg;
. }+ ?+ E \* ?' h0 _" c% D - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);. P4 P! l, h; S% W
- memcpy(&buf[6], stbid, 18);
9 A' r$ ?% U# H& F8 [ - fd = open(E2PROM_DEVICE, O_RDWR);0 F7 r; l. k" p3 S! Z
- if (fd < 0) {
* R) W1 ]1 e" s' H7 B - printf("Device %s open error.\n", E2PROM_DEVICE);2 R) F4 N* O5 d/ H! X% g# s! e+ o" ]
- return -1;
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- arg.sub_addr_count = 2;
5 B0 U$ M$ Y" |! p; s- q - arg.data_count = 0x18;2 `' A) w/ ^+ F& J+ H4 v3 l' z
- arg.e2prom_cmd_sub_addr = 0x290;0 {4 ], W: q/ W. P
- arg.e2prom_cmd_data = buf;
# c/ k- i P( f- W) {( h; N {+ G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% c, B9 C* e) f
- if (ret != 0) {9 Z- L. U+ X* Z& Q0 O
- printf("Device %s write error.\n", E2PROM_DEVICE);
: @4 Z2 @" q% w) x - return -1;
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- return 0;2 |/ \8 R( L- ]% h, o( M' Q, ^
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- I/ b/ \& F1 w( @2 T- int main(). W! N, h; G+ Y; a" ]$ N
- {$ N F3 Y# Q' C! F0 A
- char c;
! D! Z0 A- ?0 ~ - int i, macs[6];/ \6 B2 `# A/ h! \ G
- unsigned char mac[6];
9 z- I" `+ k& ^5 m - unsigned char stbid[256];$ S! p, K. i, t( O+ ~& c
- ! ]5 Q; A0 K4 M- b
- if (readparam(mac, stbid) < 0)
: s1 B$ a) b6 M% W: h - return 1;
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) n, I. \' L) g l1 H- printf("Current parameters: \n");+ l! S5 `/ U3 ?0 G8 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( ]4 a- d# v/ k) j% c. U - printf(" STBID: %s\n", stbid); w0 m/ @) n, E2 ~
-
* t! j. s* W6 c* L# t8 K - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ y8 h! H/ W) Q' w9 S$ V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 V" h$ h$ x, P. w0 d) `
- printf("Input MAC error\n");+ F6 F2 F; \! V. l% x- o! y: q0 z! [/ ~
- return 1;1 q3 J3 o. d; I, b2 Z }: X1 g* F
- }% i* T) x& i" A4 g/ J) u( z; M
- for (i=0; i<6; i++)mac[i] = macs[i];
0 F- J6 g6 o0 ^2 W4 Q5 y! B7 g - printf("\nPlease input new STBID: ");
4 r* q: o7 o9 O/ s% q$ c' h - scanf("%s", stbid);- z. m; ]' G) b, U T+ k
- if (strlen(stbid) != 18) {
1 G7 B$ ^+ a/ R# ?' H( m o1 N - printf("Invalid stbid\n");# I- G/ h# R- e4 _
- return 1;9 z( `, |9 t: A# ? K" @
- }) w3 G! s# `: L% J
- printf("\nNew parameters: \n");
% }9 J- j2 i2 a" Q6 v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 e3 |) m" N0 b n$ s! V9 \
- printf(" STBID: %s\n", stbid);2 H/ o! C0 k1 Y" {
- P, X5 Y( R4 ?( \7 f( s; k- printf("\nDo you want to change paramemters? (y/N) ");
% `. s( M& H; e+ k4 J0 j. i - for (;;) {7 N2 k N5 w6 i( D: Z+ ^& ]$ i9 F
- c = getchar();
$ t) _% X( d3 C8 D# G0 N$ A - if (c == 'y' || c == 'Y')
" d1 E/ o: R# {. G4 \! \- S' f - break;
* H8 S' ~% X' c% ~" v+ t - if (c == 'n' || c == 'N') {* E& ^# y! l6 Z9 `* _9 K+ d
- printf("\nAborted.\n");9 |! |. r, J* I: O/ o* d: Y3 v
- return 1;" M8 n0 L% x4 r; n2 W
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- }
! i! b6 X* H: |' {: [1 o* ~* Y; N - if (writeparam(mac, stbid) == 0) 0 Y$ z$ v1 }# m9 l# `# c# u; u4 C3 a
- printf("Parameters changed.\n");
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- return 0;" D' \0 m `3 y0 I! [
- }
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