本帖最后由 0522 于 2012-3-21 23:04 编辑
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9 T* R' [ e$ t0 T4 _修改的代码早有了。到今天不会编译。2 d8 R0 z# F2 |( s5 _; Z, R
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- F' E+ ~; k3 w) m$ G2 e: _* u% F - #include <malloc.h>6 K# ^3 J+ w9 j9 y7 n
- #include <sys/types.h># B* b0 y( h; {$ Z
- #include <sys/stat.h>
/ z" }4 p- |% a' O0 I/ B - #include <sys/ioctl.h>5 f# T# {2 B4 a
- #include <stdio.h>
" S2 }8 d% L; F) k, |. I* M* h - #include <string.h>1 z+ ]0 d6 A( i& H& k0 _! o! e
- . @* g) }& i. c' n ?; P, R6 i& i
- typedef struct {! u! n1 o+ T1 I
- unsigned int e2prom_cmd_sub_addr;0 B0 V1 ^ T& D$ `6 L
- unsigned int sub_addr_count;
3 p! F8 {- M# t+ ^/ p$ {! { - unsigned char* e2prom_cmd_data;
4 c$ ^9 l' }: f' r9 C X: U% m - unsigned int data_count;
" W& Y3 T$ v5 W& L+ C7 o# X' h - } e2prom_s_cmd;# _% P3 f& y& D& D
7 M2 f0 ~1 k+ c: @) j a9 C! T- #define E2PROM_CMD_READ 1 ?* W1 u/ x5 i
- #define E2PROM_CMD_WRITE 2% d L4 m+ M( E$ H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 @! n8 |& ^0 T) }' E
- , I5 {1 H7 x) O2 A4 ?4 i; _
- static int readparam(unsigned char *mac, unsigned char *stbid). o6 Q5 H: I0 A, c
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- int fd, ret;
" y1 W- u: x% M- q/ {% \ - e2prom_s_cmd arg;! @. L- D& q3 k( l
- unsigned char buf[0x18];
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/ i; G* a9 \ A( r- fd = open(E2PROM_DEVICE, O_RDWR);
- _: c9 {& Q. t - if (fd < 0) {
/ R2 j1 ^4 y2 f1 b8 |+ W: P - printf("Device %s open error.\n", E2PROM_DEVICE);+ j+ l; L& K- u) r% v
- return -1;
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- arg.sub_addr_count = 2;0 ?. c2 _% ^$ @: s2 A) l# W
- arg.data_count = 0x18;: c* Q/ v- D7 k0 L
- arg.e2prom_cmd_sub_addr = 0x290;8 e8 k3 s8 I4 w2 W3 Q4 y
- arg.e2prom_cmd_data = buf;
+ Y. O% i7 r2 z. \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# F- y% a: u9 X3 H/ W+ m8 y - if (ret != 0) {
% E7 _3 ^; U% \9 j6 R, Q) p. B - printf("Device %s read error.\n", E2PROM_DEVICE);
3 Q4 z, x5 d4 u, t2 n - return -1;+ h8 _! H' v; U2 G0 _! P
- }
9 v/ b: x# X8 Q2 U - memcpy(mac, buf, 6);% a3 G5 T% X) t/ `7 ]2 H+ M
- memcpy(stbid, &buf[6], 18);7 I. U# y& V, g5 x
- stbid[18] = '\0';& X. G5 i8 U5 ?* Y
9 Y5 B. a+ d0 J+ A- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid). T3 [- S$ ^1 ^' E% v% e7 O* @8 h
- {
/ ?+ q4 T( o/ v' a* w& h4 w - int fd, ret;
& B3 J9 \1 z( B2 J# w, w3 X - e2prom_s_cmd arg;( l. w% `* z, X2 u; M4 F
- unsigned char buf[0x18];3 p+ B" c( [/ P5 @ a1 u& P+ U
/ T8 H; a) G F& E8 d7 |8 L* c- memcpy(buf, mac, 6);
* h8 x' }! _3 t0 H7 R2 z - memcpy(&buf[6], stbid, 18);& X$ m6 M/ x5 v) e n- A
- fd = open(E2PROM_DEVICE, O_RDWR);0 U5 y3 A$ k* ~" C: r% h
- if (fd < 0) {3 o, {, _' f$ }8 u3 E0 P( }
- printf("Device %s open error.\n", E2PROM_DEVICE);8 U; r% z) K7 `/ W6 c2 t; G+ k9 F
- return -1;
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- arg.sub_addr_count = 2;
4 q; |% s3 g5 n+ C# K1 m. A - arg.data_count = 0x18; v; p- O+ F- ?' ~0 k4 S! Z
- arg.e2prom_cmd_sub_addr = 0x290;
3 ~# N* h O, P) H( e J9 @+ i7 ` - arg.e2prom_cmd_data = buf;
7 }2 X7 i0 m+ }6 h4 u - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);! W8 i/ T# h- U! U
- if (ret != 0) {
( m" k2 `& `0 K) D1 b' I - printf("Device %s write error.\n", E2PROM_DEVICE);
2 D) A' F, w; T( h) H' h' k; E( ]6 @" ^ - return -1;
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j9 K6 w X6 o, e- return 0;5 D w* n) H7 y4 v0 l5 t7 L% W
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- int main()
+ ~ @$ E1 w7 q) \1 k) j - {
4 Q0 X4 B/ P( g# A - char c;
0 _' c! g( T7 @ I - int i, macs[6];
9 A7 B. |4 }3 t D - unsigned char mac[6];
; @/ v* ]" b+ |' c& E - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)" O- R; q/ R# n7 j
- return 1;
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- printf("Current parameters: \n");9 f$ w, u$ _9 ?) C2 ~2 ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 J9 \# m0 ^' G$ v% \" ~2 D8 t, d
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* U( _# M% C$ F3 f: P/ c( z! w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' _% u; Q0 h2 X" j' ~5 `
- printf("Input MAC error\n");
) t4 B9 M0 \' l, H' D& o - return 1;2 r# \& I& M) R' F& ?1 P& y: }
- }5 h+ u5 ?" `" i) i
- for (i=0; i<6; i++)mac[i] = macs[i];- f5 ~$ X8 ~* Q' x
- printf("\nPlease input new STBID: ");& g$ Q8 c, t- p6 T0 S/ |
- scanf("%s", stbid);; n: I9 p% D3 _$ u( k
- if (strlen(stbid) != 18) {: [ H1 T# e+ L
- printf("Invalid stbid\n");! E1 I% c/ x) A- p# G: D, V
- return 1;! o7 M2 u. v r E. I
- }' `/ _+ t$ h( h! q
- printf("\nNew parameters: \n");( l W+ e8 K7 ^ A1 o% g0 J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 M! k; \6 `+ B7 z7 u0 f# b! `
- printf(" STBID: %s\n", stbid);. e8 V$ E" F& E
- / i' W2 B# a) B
- printf("\nDo you want to change paramemters? (y/N) ");8 b' Z+ k1 p, Z: A6 W' ?
- for (;;) {9 j. T0 t, f: }# l7 ^% o+ H5 ^
- c = getchar();9 ?1 _- A1 H" w+ \
- if (c == 'y' || c == 'Y')
l7 N! W# J2 D3 X - break;
& O; {3 Q" C: d D - if (c == 'n' || c == 'N') {5 N# l; L& s$ _" r0 B
- printf("\nAborted.\n");1 z% ]1 t) W% A4 f! R# ]( F% M' E
- return 1;
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- }/ n9 ?5 f0 x0 Q& K j# ?
- if (writeparam(mac, stbid) == 0) * K' N3 S* X2 h \7 o
- printf("Parameters changed.\n");) ~: @- K' a G j" I A
- & W9 K3 P& {9 x6 v. |$ a
- return 0;; x; n4 a9 f- J& ]
- }
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