本帖最后由 0522 于 2012-3-21 23:04 编辑 7 Q! q% G0 E+ ^+ {
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修改的代码早有了。到今天不会编译。
; s2 W: F' _* z% S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ U' A- F6 o# }5 u0 [ - #include <malloc.h>
! J6 O* k; K) M1 `4 g - #include <sys/types.h>
& q) F2 _: f1 K% ] - #include <sys/stat.h>& _4 U2 g J0 f
- #include <sys/ioctl.h>
7 c A1 N8 n" v" J1 X6 W+ @ - #include <stdio.h>
% ^! `% Y; i3 D8 } - #include <string.h>
5 R5 N: Y$ W v+ Y; B- M+ O - ; G1 }6 e, G8 j2 l, p$ U( k
- typedef struct {
6 P* P# p$ {$ D v5 ]# C - unsigned int e2prom_cmd_sub_addr;
. m# N& y$ u& e- U - unsigned int sub_addr_count;
" f. n2 P- j" O! _# S - unsigned char* e2prom_cmd_data;, v3 k7 a" {1 v) L3 r
- unsigned int data_count;: J/ [% b _' R
- } e2prom_s_cmd;7 z/ }8 p4 k0 O% ^; ^
: z) b3 T+ e9 h- #define E2PROM_CMD_READ 1
! P+ B5 ?8 }/ A; x8 k0 I, l u( _ - #define E2PROM_CMD_WRITE 2. @* t( g( v' r, J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* [3 S4 v% u8 U1 j! U/ M2 p+ w! H
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- static int readparam(unsigned char *mac, unsigned char *stbid)
) J% j% d4 ^& R' C8 B0 h y - {7 m4 ^2 A( c; u& k6 e0 \
- int fd, ret;
8 @& y3 q/ L9 H/ x; h0 y/ y - e2prom_s_cmd arg;
' P4 U& E' c7 P( @ - unsigned char buf[0x18];
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" M1 \8 a' ^# D: a" {8 B j- fd = open(E2PROM_DEVICE, O_RDWR);- I b: h+ m' l7 O/ l- W! u! ?
- if (fd < 0) {
2 F o6 [0 S. G; N - printf("Device %s open error.\n", E2PROM_DEVICE);
/ }% ^, J$ \5 C - return -1;
# O1 ?1 y* h- `9 c* X7 f& f5 U - }
% P2 \! V3 E' |7 g - arg.sub_addr_count = 2;
! [* `. F, N+ G+ t5 [9 c; A6 S - arg.data_count = 0x18;3 F0 e) {. g D! y: ^8 @4 N2 O+ \
- arg.e2prom_cmd_sub_addr = 0x290;
8 d4 d& B2 }- B2 ^ - arg.e2prom_cmd_data = buf;
8 a C5 I1 n0 g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% [$ K2 s, n- c( C2 z) j6 I - if (ret != 0) {/ g) n0 E2 @5 W; ~* Q
- printf("Device %s read error.\n", E2PROM_DEVICE);
: J( ?9 j, A" h - return -1;
: E( D9 m8 ~; a8 M c - }
' ^3 c* A, X" u9 W - memcpy(mac, buf, 6);0 Z, c* g) A2 o$ F% T: ]1 @
- memcpy(stbid, &buf[6], 18);
' k0 z8 x3 f$ M1 o; D) {1 D - stbid[18] = '\0';
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1 R1 Q" O- O& ~9 q# A- return 0;
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- 1 p5 }3 r* l. Q% f" z
- static int writeparam(unsigned char *mac, unsigned char *stbid)0 ]& ^' k' p$ ^
- {
8 L: \! ]# r0 D. A1 z - int fd, ret;
5 C; C8 |& }2 [: r/ p; v }' u - e2prom_s_cmd arg;6 t t( ]7 C Z% [& s2 e. t
- unsigned char buf[0x18];
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* E2 ?* C- a c7 P. t, R; p3 U f- memcpy(buf, mac, 6);
" I0 ~* R& S6 u7 z/ p+ {$ ~9 A& D - memcpy(&buf[6], stbid, 18);
4 j/ A3 Z s7 q - fd = open(E2PROM_DEVICE, O_RDWR);
5 ]% m0 C* S% Q* Q9 ~7 o - if (fd < 0) {) V( W+ M; u. g/ `* ~- [
- printf("Device %s open error.\n", E2PROM_DEVICE);/ D5 d7 \$ y: {: j. z: d, G
- return -1;
7 S! z4 M1 F+ ` - }0 R* P: G' q* e
- arg.sub_addr_count = 2;; {% M) Y% A. Y! z9 c7 ^
- arg.data_count = 0x18;
) Y( F! F7 T7 H7 i# |# z: b - arg.e2prom_cmd_sub_addr = 0x290;
3 p$ m4 T8 W. _ @: G2 y - arg.e2prom_cmd_data = buf;* w; m3 d- G6 ^8 U* M# Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: E2 G# E% O- C- K6 _$ R1 t
- if (ret != 0) {* W1 U) {0 r/ x" I' R. c9 @' K- o/ v
- printf("Device %s write error.\n", E2PROM_DEVICE);+ @5 g1 `. M, w. T$ T
- return -1;
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- / V4 J1 S- j4 ~
- return 0;
1 S: H7 B7 \2 C& }: W/ v; X$ O: V7 @0 | - }* S) L3 f2 t( P" k+ f
$ Q" o- ?3 l3 W0 p4 N& B- int main()" r9 z% F9 o9 p# g# P" p" t8 ]1 q
- {
$ |) `/ y( p2 }2 Q - char c;$ Q. B- B% S& w4 p/ s8 @6 B
- int i, macs[6];
/ g) S- w8 O2 \0 w% n - unsigned char mac[6];
9 f, O6 c. L y; p% f" q- N; n - unsigned char stbid[256];6 k( i, K% X* r X. g, n
- 0 D9 K0 D' J, i
- if (readparam(mac, stbid) < 0)
/ g$ l$ k/ X" G0 y/ R - return 1;
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0 e2 m, Z( F- k" T+ m" \- printf("Current parameters: \n");
0 k* d. H5 e' v' K' J! B! Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" G7 H7 O8 y4 f! s& ~3 r$ I9 B4 `
- printf(" STBID: %s\n", stbid);# }. y1 t' c5 i4 X9 T3 g. [% F
-
- K) O% c/ t* o% Y$ k, F - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 Z! l" T% v s
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* H; {7 }. J& j, `8 G: }' @
- printf("Input MAC error\n");
+ r) a* y2 H+ @9 \8 {6 [ - return 1;
1 B0 L1 L3 T% I# m6 u! ~ - }5 F/ v8 g* d0 i& e, e7 \
- for (i=0; i<6; i++)mac[i] = macs[i];
; m8 B! Q8 V" Q d2 i# y4 g9 X% E - printf("\nPlease input new STBID: ");+ q1 @) z5 h" Z
- scanf("%s", stbid);
$ ~3 R- X: _ s; C* Z" L - if (strlen(stbid) != 18) {
+ C8 h1 F" E/ J - printf("Invalid stbid\n");
. o+ g6 t9 Q- k5 I6 ?" f# c! Z } - return 1;
6 L2 M6 F: I/ w6 d - }
* J1 O, ]3 l1 s& G7 Y - printf("\nNew parameters: \n");: ?0 ]% G1 X7 S' V; P$ Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# B2 k+ w* Q' X3 F; ~# K
- printf(" STBID: %s\n", stbid);. V# y# f3 L1 M- f/ I- ]4 ^
- 4 G1 R6 U' b8 S4 l1 a4 |# h6 [
- printf("\nDo you want to change paramemters? (y/N) ");
8 v9 n; `0 |1 r" T" _1 O$ C - for (;;) {3 U& W& L$ q/ x# }
- c = getchar();" R2 I3 M% K0 G& V; s, e q
- if (c == 'y' || c == 'Y')+ a9 g- O* `2 u6 Q
- break;" ]' m- |) H6 I4 ^! l
- if (c == 'n' || c == 'N') {* V$ b! N6 X: _- B: N. Z: ^
- printf("\nAborted.\n");
* `9 M6 j6 L6 Q2 j J" I - return 1;
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- }1 u" D. p9 ]# V2 `. n i; v. d/ w, L. S
- if (writeparam(mac, stbid) == 0) 5 A% j; y2 [5 ^9 X8 F- U- O* P
- printf("Parameters changed.\n");0 x" @8 ~6 }) I" e& t6 c
- : V1 [' G# I n+ u5 f4 w. p3 c
- return 0;% D0 M& L8 h- ?/ J* E6 |
- }
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