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。
- p% Q( ~( s9 @% N" g需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, X# T2 G9 \+ D2 w5 K( K, H
- #include <malloc.h>8 W; q6 o E* B3 @ M, }
- #include <sys/types.h>
1 X& s6 E+ G! r0 o$ y - #include <sys/stat.h>" Q5 g2 y" M3 P; `( p$ e
- #include <sys/ioctl.h>
7 I7 y9 f. g) G' e& P - #include <stdio.h>9 y7 u/ `3 |9 n$ y% S- \
- #include <string.h>
- M) s) }/ H( p2 ^3 |
6 J' c- K3 L8 \2 m+ c/ x; j- typedef struct {
) s" s6 }5 T+ u$ l9 m& C' B - unsigned int e2prom_cmd_sub_addr;) w8 w L. `7 X3 E# I- o% J
- unsigned int sub_addr_count;, M" _; Z- o. j! S7 E. X
- unsigned char* e2prom_cmd_data;
. j0 z' f' D/ q3 Q; Y8 A - unsigned int data_count;
* z9 Q Z) v* }' L! V - } e2prom_s_cmd;' g0 B0 [+ v5 M: ^+ f* q6 K& z
- ; q M7 n, K* t( R7 N% I7 X" H; l
- #define E2PROM_CMD_READ 1! V1 Z' v [' R) h+ `
- #define E2PROM_CMD_WRITE 2( l! Z3 Y8 D1 ~' K& L1 Q) B# R
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 s# U) g) v0 j5 ]6 j- O) \' u
0 v1 T! b' n3 \7 @! m" n- static int readparam(unsigned char *mac, unsigned char *stbid); {7 {4 Q/ B& N9 Y4 K7 V
- {! v J% z8 ]; H- q$ X+ A ~5 ^
- int fd, ret;7 U/ f3 ^; h; Y* Z
- e2prom_s_cmd arg;, I! x0 v" S+ U+ A
- unsigned char buf[0x18];% L9 i0 ~- G' y- S! Y- v
. m* ]# O9 h- ^& a2 a! X! H- fd = open(E2PROM_DEVICE, O_RDWR);
. y8 X! ~! C% H7 d5 }* s' Z - if (fd < 0) {8 M) K, n/ w L
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 T" K# V, X2 y( N" D1 v - return -1;
# v: L$ d, c( i) _# b! S: @ - }
% `7 {: {+ `4 \' c: P/ H& S* Q' G N - arg.sub_addr_count = 2;
$ n* n# a% z4 B# ] - arg.data_count = 0x18;
2 d3 G" ]- ?& }9 X: z) S) | - arg.e2prom_cmd_sub_addr = 0x290;. ?5 ^6 v, F! h, Z% T9 h/ P
- arg.e2prom_cmd_data = buf;, _9 J! y2 [5 c. X4 v0 p9 s! B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; \2 Q' { n9 i1 h) `8 G - if (ret != 0) {
4 {* p& x! d# e; Q: ^$ m5 ]. f - printf("Device %s read error.\n", E2PROM_DEVICE);- X! d# e; w( Z7 ~
- return -1;
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- memcpy(mac, buf, 6);% Y# Y7 ~! m% M- x7 x' |" M
- memcpy(stbid, &buf[6], 18);
2 _5 a$ L8 p, ~& ]- \ - stbid[18] = '\0';
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, e! [# [1 z. Z- A q- return 0;! V8 a2 q% }2 [7 Z: ]
- }) Y5 v. s" `3 }" f( B
- 0 U3 y0 T9 J2 o, H" r
- static int writeparam(unsigned char *mac, unsigned char *stbid)) ~, [ s7 a2 l, X" U
- {( V6 W; N. o9 G: o# K. Z5 |' N
- int fd, ret;$ t& |2 @$ R0 O- s: C& s; W
- e2prom_s_cmd arg;# M; v2 @6 l* A
- unsigned char buf[0x18];( E6 ^/ U: P E9 k" {7 o
( g; m+ z! w" p) ]: F9 Z- q- memcpy(buf, mac, 6);
3 q: I6 y: `& i0 D+ W- s8 f/ a' K- B - memcpy(&buf[6], stbid, 18);
1 [; m1 T$ [+ x2 n - fd = open(E2PROM_DEVICE, O_RDWR);& F# I" T% o; D5 u' _+ n
- if (fd < 0) {
: h6 G$ E3 f; Q8 |4 `; K% p! p, m" C9 s - printf("Device %s open error.\n", E2PROM_DEVICE);
f, [3 b" j, F" t7 L" X6 c% d* d - return -1;. W' Q& y X, v7 p- z1 a2 ]
- }
" T2 X# X& n$ R L - arg.sub_addr_count = 2;
8 r" F9 k+ c- w. j - arg.data_count = 0x18;7 f: P; E) l Z
- arg.e2prom_cmd_sub_addr = 0x290;
! I5 P3 w8 h% v' C - arg.e2prom_cmd_data = buf;( w- |& \; H/ }4 k6 Y9 b
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 F$ p7 Z) c7 S m - if (ret != 0) {0 }! ~) A. I6 n
- printf("Device %s write error.\n", E2PROM_DEVICE);8 r% f. D. T& B2 ^3 n6 R
- return -1;/ d6 h9 P) e$ U4 T1 i8 a
- }% d1 s# c$ M) y: ]6 L/ ^
# V0 B5 C" j* o# U- return 0;; T; r. Y ]0 ]* F; @" L5 Q
- }
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2 V6 G1 W) Q3 R1 J% e# T# g- int main()# W5 T# X8 _' _$ Q0 d: _
- {3 F5 }& k$ b! b* n
- char c;7 R- H, I* d$ s
- int i, macs[6];4 H3 e3 ^4 D/ H8 L7 ]' ]+ }0 e
- unsigned char mac[6];; |3 l; v- [; I8 s9 Z8 G9 M
- unsigned char stbid[256];& P$ e# v2 s" j% L( r( U' I3 J: @
- 9 q/ v S$ d$ f; q4 E1 b
- if (readparam(mac, stbid) < 0)
* h) U1 O6 G, N - return 1;5 F) N; H7 z$ C; I9 {
1 j, N0 R5 n) J& D$ v- printf("Current parameters: \n");& H+ d/ t. O8 ^& @6 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! M* y; M) ~3 _3 l2 T! x! o - printf(" STBID: %s\n", stbid);% D& q' t$ p" q+ x
-
5 s% o: A% B& T& q: b5 } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 C" f5 B! b9 U" q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! a* O2 [3 b8 a/ s' ?
- printf("Input MAC error\n");
" ?$ B/ l4 I/ O- M3 m - return 1;- o/ ]! s5 Y( R
- }
7 Z. E1 ^2 A7 ~" I# J - for (i=0; i<6; i++)mac[i] = macs[i];$ J; y% W9 i3 ?' e* H
- printf("\nPlease input new STBID: ");
8 K7 S+ g" ?4 o! f6 d, G - scanf("%s", stbid);
" b1 n$ `; H& G' K" h7 Y: S9 T - if (strlen(stbid) != 18) {5 q7 ~$ C0 V; ^+ E3 s* i: @1 f
- printf("Invalid stbid\n");
# k3 U0 D' p/ g - return 1;+ r: I- T W3 H1 Q6 I5 C6 F2 w
- }/ y- M7 Q7 _" W" R
- printf("\nNew parameters: \n");2 w2 Z* e9 z/ [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 F* y$ M4 b' |: F; k) J) X
- printf(" STBID: %s\n", stbid);: w! `! i+ A. ~5 R4 k
6 r/ ~5 ^% y: R2 a' [7 q2 `1 V- printf("\nDo you want to change paramemters? (y/N) ");/ o% n! ? J: u( k/ _; U" }
- for (;;) {
" j7 V- n5 ^% S [" O - c = getchar();4 K1 q' f7 O$ |$ }* R
- if (c == 'y' || c == 'Y'), ?$ y7 }/ w6 _. G: v4 o
- break;
3 `5 }4 `5 J' i - if (c == 'n' || c == 'N') {
9 c$ _0 s, t8 d9 c% H9 G - printf("\nAborted.\n");
( a0 v" \6 K/ a1 l% _' y) Q - return 1;
1 v+ n m. O$ I$ G9 g - }" G" d; r: l' W2 O& E! U; z- x; ]
- }7 f/ Q( M/ J7 E& F2 \
- if (writeparam(mac, stbid) == 0)
+ x' A6 z- S4 P+ t5 C- D - printf("Parameters changed.\n");
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- return 0;% v ?& W6 Q% g& g" X1 d1 I
- }
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