本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 d3 W& a; F% r! ], N+ |修改的代码早有了。到今天不会编译。( @+ G/ w( N% p' g0 y& Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% ]7 a2 O8 k4 n# C r! w2 u: | - #include <malloc.h>$ O' }! z* `3 G& }" P8 ~: B
- #include <sys/types.h>
! Q9 [) L7 I5 Q4 e5 l - #include <sys/stat.h>
& F5 `$ [) ?! {- M - #include <sys/ioctl.h>0 g) N6 Q" [! E1 i2 h
- #include <stdio.h>* Z L9 @7 m, c h- F$ }
- #include <string.h>3 \7 k4 [! E5 Q8 ~3 Z- V
, j3 k! L) V. X( f' y9 ]# d) [- typedef struct {
& [) C) j% M @6 E; X: U - unsigned int e2prom_cmd_sub_addr;
3 m& U$ d5 x! G! h! ~6 z! P - unsigned int sub_addr_count;1 m2 o) j+ a6 J" r4 g
- unsigned char* e2prom_cmd_data;8 \ m, W& s a2 z7 u
- unsigned int data_count;3 L0 n- V' D- Z' V
- } e2prom_s_cmd;
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) I) s) x- z4 g e# g- #define E2PROM_CMD_READ 1
" w8 A3 q4 R) W, B: P - #define E2PROM_CMD_WRITE 2* o0 Z# ]5 X' i& g- e
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 Y1 i! _' R! z) j# G$ ~. `
- e2prom_s_cmd arg;. H5 s& b6 r: a
- unsigned char buf[0x18];4 m4 Z/ g) u; i" R: t( g9 z
- / j3 A2 N1 N6 d8 W
- fd = open(E2PROM_DEVICE, O_RDWR);
- F( x8 t& ?5 `7 u - if (fd < 0) {- [0 k. Z; y' y
- printf("Device %s open error.\n", E2PROM_DEVICE);+ a7 c2 d" ]3 U( x5 q1 v
- return -1;3 n1 r( c% e$ }' z
- }
0 n$ p& x9 t5 |1 L* E) x7 @ - arg.sub_addr_count = 2;
/ N$ @; L; U. U- g. k* m( E1 C - arg.data_count = 0x18;: j; @$ ~ U, G' @8 ^" Q9 Z& B7 w9 ^
- arg.e2prom_cmd_sub_addr = 0x290; B( n" l, `: i) q$ m3 N
- arg.e2prom_cmd_data = buf;0 @$ c( w- o V e8 M( }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 |4 e9 X# H9 y: v4 m9 P- \
- if (ret != 0) {9 i# v6 j0 N# o( G6 K. C
- printf("Device %s read error.\n", E2PROM_DEVICE);: |1 h& O5 ~0 R0 }9 N
- return -1;
' H$ z, L3 Y8 Q' A S' u - }
; `- ^) W: k: X _ - memcpy(mac, buf, 6);
* g1 R! \# O7 G& M2 a4 d0 ^+ l - memcpy(stbid, &buf[6], 18);
5 p* E3 f$ @+ I2 Y - stbid[18] = '\0';: C$ m7 c0 i4 K! x
- , \: |( m" `! E/ c1 x7 x ]5 X9 N9 ]
- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)7 d& R7 Z+ |& |, @' ?% c9 p
- {
# T1 Y8 D. E5 w& j; q) V - int fd, ret;/ b* J5 l4 f1 ~
- e2prom_s_cmd arg;' r( s+ k* G6 U3 O% p; v
- unsigned char buf[0x18];5 b, i$ j4 t8 ^+ s% Q' a- D
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- memcpy(buf, mac, 6);
6 l" L& B0 W% g" f6 z! [% \) J3 G - memcpy(&buf[6], stbid, 18);
. K% E- t& G# x/ R! g! i - fd = open(E2PROM_DEVICE, O_RDWR);3 b" j" ?% q6 W* i, W! B% F2 l
- if (fd < 0) {
4 ^: h6 S5 ?+ g+ ?& s& X: p" N* u - printf("Device %s open error.\n", E2PROM_DEVICE);8 a& E% |3 Q: v" m$ p' A4 o
- return -1;
5 h5 \ {( Q7 \* O2 x - }
6 ^+ X0 t- x T. ~* N( v - arg.sub_addr_count = 2;; R3 U# A* O( ]- G
- arg.data_count = 0x18;) l2 h# E+ N c' H' V$ w& Y0 h
- arg.e2prom_cmd_sub_addr = 0x290;, S/ k+ W5 [: K F) D% }' W
- arg.e2prom_cmd_data = buf;/ ?5 O: p4 q' M' _* i
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. p7 n6 Z O$ I( d
- if (ret != 0) {
1 T; e) _0 W' n+ H1 X3 f/ O1 P - printf("Device %s write error.\n", E2PROM_DEVICE);
5 `! y+ _6 c% _: [& b - return -1;
v8 L7 k4 W# a - }
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- return 0;( N) z& y* S( A
- }
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J6 _: G0 M3 c- int main()
! q1 s: g" g0 N9 I - {
5 ?. e2 c8 m2 v& W, B6 l - char c;
1 a/ x' \! u1 Y' _7 k/ H - int i, macs[6];7 s9 G4 m: B x P# x2 y1 d& p
- unsigned char mac[6];
/ L5 h$ q `% y5 O - unsigned char stbid[256];& E2 t' M5 x+ b4 z+ @5 I* x
9 y: j7 T# t, V' Q' M- if (readparam(mac, stbid) < 0)( t( C D' N" A: z! X
- return 1;/ o# U# n# G2 J) |7 P( K2 Q
- * ]+ T7 D( h# Y3 ], t
- printf("Current parameters: \n");* x$ w+ {# E+ R! l: c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 q( u; U# Q O& e& y7 H# l- m o; F - printf(" STBID: %s\n", stbid);5 X+ U; ~- e0 i8 o! Q. S
- : ^5 Q9 s' b' G) d! b3 j
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! [# T. p b U! y. ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 v% x/ t# [ s. L* e - printf("Input MAC error\n");3 w$ n1 ?0 I# z9 x7 r9 G
- return 1;
3 v' Q5 t8 j O! R3 g1 k" ?3 S - }
2 j* r' b m7 C5 l8 F - for (i=0; i<6; i++)mac[i] = macs[i];
1 @9 H" l+ B5 u- ^ - printf("\nPlease input new STBID: ");
; C' {8 d7 l) [: D - scanf("%s", stbid); r5 e ?& T# X
- if (strlen(stbid) != 18) {
# A, |; u# o% A, ?; q) E( d3 n% O- h - printf("Invalid stbid\n");' q7 q% D E$ ?' t
- return 1;, }) D. h+ u r$ O& f; u
- }
: m6 \/ j' R [ - printf("\nNew parameters: \n");! }" w+ X+ x$ m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& A' l/ R* n1 y7 ^9 v7 \
- printf(" STBID: %s\n", stbid);) O- F L- ?$ s7 J6 W" r
- . @. Y- c: d$ g! t7 v$ L" D
- printf("\nDo you want to change paramemters? (y/N) ");
8 \: V/ ?( d/ S; b - for (;;) {
" s* E. c7 P& w5 v1 k0 ` - c = getchar();' ]/ i; H$ Q; S x0 J/ ~
- if (c == 'y' || c == 'Y')
. H8 k5 @7 ^5 Y9 G$ o4 I - break;% A" C! ]: v3 s6 d- }( Q7 b
- if (c == 'n' || c == 'N') {! u3 D1 O6 X3 r4 E, p' E0 y; c
- printf("\nAborted.\n");
' G* g9 J4 W" L+ C9 H - return 1;- g3 N" o* ` P* R
- }8 K7 e2 Y3 D# y9 @3 L
- }
3 s) L! ^4 ]. D! J3 X6 R - if (writeparam(mac, stbid) == 0) 9 }# Q5 z# W$ M5 [) m5 o
- printf("Parameters changed.\n");
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2 U- w% V |2 X7 i4 D- return 0;
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