本帖最后由 0522 于 2012-3-21 23:04 编辑
. E! d; C0 [. u" q8 R8 e9 O8 m+ b$ c- r
修改的代码早有了。到今天不会编译。" G+ P. u- X+ P6 r: e3 T- K) M- I: `
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 ]5 v, Y' X8 H! x Q
- #include <malloc.h>
" T: ]/ { @0 f - #include <sys/types.h>" i; B+ O O( f1 e, d8 T+ z* c
- #include <sys/stat.h>
6 h0 j; I, m& Z& w6 x2 x; ?" w - #include <sys/ioctl.h>! k; {* x; g. z8 A, Q
- #include <stdio.h>4 v6 }% p! r6 i Q- ?
- #include <string.h>
- Z( E7 j" p9 s* W0 J - 6 C4 g( c2 _, d- V. T
- typedef struct {
0 Y; X7 {& n1 M! p. J - unsigned int e2prom_cmd_sub_addr;
/ P& H) q8 H: Z% Q - unsigned int sub_addr_count;
3 u: J6 A6 b$ w: s: P% z - unsigned char* e2prom_cmd_data;/ m: f9 N, }; {# I5 Z8 F9 m
- unsigned int data_count;# a1 i( K# n1 ]3 X. m2 \( t' l; n
- } e2prom_s_cmd;) r6 A+ E! j3 W
* B9 S6 v% }/ {* Z- #define E2PROM_CMD_READ 18 C/ N3 L1 E$ m, r
- #define E2PROM_CMD_WRITE 2
( r9 Z9 ^2 Z! K4 g, k& e$ V) x- T: A - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( p3 N" z/ j9 J2 f* t
- 6 F( R E' Q% K, Q
- static int readparam(unsigned char *mac, unsigned char *stbid)
9 b0 m( |7 e# S - {
4 k/ F5 S( y, _4 e - int fd, ret;! I7 n* V8 l( M0 k0 r+ g1 ~
- e2prom_s_cmd arg;
6 @: \& b ~: B3 G _ - unsigned char buf[0x18];' {4 Z; x: S+ M8 a* q
2 ?! y% N/ s) ?6 N3 K* K- fd = open(E2PROM_DEVICE, O_RDWR);) M+ g' x) m% K" e _5 h
- if (fd < 0) {$ \+ N+ s, g2 H6 V$ _" y' M
- printf("Device %s open error.\n", E2PROM_DEVICE);9 _& ?* \5 H3 ]* C
- return -1;
* l- ~1 s C; s8 @( v, T - }* y$ f# i& p+ S; ^8 h+ T& s
- arg.sub_addr_count = 2;
5 p+ h/ N: t, \5 ~3 K0 u# ^5 X - arg.data_count = 0x18;
) _# @5 _* s- T# j m - arg.e2prom_cmd_sub_addr = 0x290;
2 |8 J& p# d& `1 V+ f - arg.e2prom_cmd_data = buf;( l" u# U7 K2 B; _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 C6 J5 u4 O8 D- l( K$ E& b - if (ret != 0) {
: _4 V8 n, Z: W( u - printf("Device %s read error.\n", E2PROM_DEVICE);
8 U7 n- \4 m& }: ^9 K% z - return -1;
0 d( t5 v1 A2 L - }
! F( F+ v0 x- { - memcpy(mac, buf, 6);1 a3 h, D" y: m# F+ R
- memcpy(stbid, &buf[6], 18);
3 j1 q* E' P& `6 Q: o& ~* { - stbid[18] = '\0';: w5 z" E' D6 `+ t+ I8 S& N8 @6 l
- 9 e& x2 _/ g5 g3 M! d
- return 0;
1 Q$ i& N) T# O t - }
# ^) w# Q, z+ F) a0 J: z - % g0 L/ _$ V4 `8 ~3 A' b
- static int writeparam(unsigned char *mac, unsigned char *stbid)9 @ C" M& N) {; @
- {* V) T; C/ A) |! h4 |2 l& K
- int fd, ret;
9 R, \& Q. u5 O2 x1 o+ c - e2prom_s_cmd arg;) f Y. y9 f7 F% @( J: N. V! _
- unsigned char buf[0x18];* ^7 `! J5 `$ U3 U' p0 k
- ; [2 j& G* b& h) I4 e0 t
- memcpy(buf, mac, 6);$ B* x4 p5 u: g: J
- memcpy(&buf[6], stbid, 18);
9 }! C- D( V1 e - fd = open(E2PROM_DEVICE, O_RDWR);* N! y& Z4 j% w1 |9 \+ Z
- if (fd < 0) {, I( {6 S+ j0 y5 n! I: R
- printf("Device %s open error.\n", E2PROM_DEVICE);8 u c8 m, f3 S# j
- return -1;
1 e; d; I! r1 B - }1 ?! v0 u; b, o$ a4 E* s2 ]
- arg.sub_addr_count = 2;7 N) \% p5 K/ S- W, x8 }/ F
- arg.data_count = 0x18;7 u9 }: s& o9 f! Q7 `& l
- arg.e2prom_cmd_sub_addr = 0x290;
' j/ p* I3 a, _6 S) v8 C* x6 l0 r7 H g - arg.e2prom_cmd_data = buf;/ L" L" ~9 t+ b$ H% e V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" _! n0 T2 P- C# Y* e
- if (ret != 0) {
% D2 R% P; H# U - printf("Device %s write error.\n", E2PROM_DEVICE);9 `! ]# r4 w1 Y- L
- return -1;, ^1 A5 Q% s* W
- }& f+ t( j$ z7 | V7 Z2 O: s
: x7 V: N+ G# O- return 0;
+ }) W* M7 F4 Y! @' d$ e' E1 _) b - }. t, L7 T: ]# v6 B
- 2 q, ] k, g) E D* \+ {) B& q
- int main()) Z0 v; u3 y& g1 S
- {+ W/ t& h8 o P/ O& ~' T
- char c;& \9 o" X9 }1 Q$ @) K( {, ~
- int i, macs[6];
0 Q" W1 l2 J3 U7 t9 s2 k% t - unsigned char mac[6];
) t# I, y; e5 Z. e, b; k1 u& v - unsigned char stbid[256];. T% Z5 C) L5 o. z& r
3 |5 V1 c/ g9 z( ]* A% n# b5 R2 w- if (readparam(mac, stbid) < 0)" D; U% z. ^3 I2 E2 q
- return 1;
' t$ c' T/ C4 |* K3 Y7 s - : C% d& R' V; e5 _( M
- printf("Current parameters: \n");7 K& N4 G, o+ ?6 \0 P( g" b6 J6 L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) v% e/ w$ r6 c% r2 _/ z
- printf(" STBID: %s\n", stbid);
# s! q/ y* ]; J j# M -
' M$ V0 y3 A) C( H. J9 M - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 R) v4 f0 v+ N7 l' Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" i# @7 C; N& P a6 U/ k, |& P - printf("Input MAC error\n");
/ U: o4 Z; k) O$ B( U# \7 C' j& j - return 1;
% P/ Q- t8 @2 T. r. d - }, K# |+ B( e# S/ F! A! c3 {
- for (i=0; i<6; i++)mac[i] = macs[i];
; Y1 v y" X4 j. `7 j+ T; u) u, a - printf("\nPlease input new STBID: ");3 _) M8 y$ @) h( R( w
- scanf("%s", stbid);- _3 w/ `9 b! m+ z9 i; F
- if (strlen(stbid) != 18) {
# \5 |8 D, ^ Y4 H - printf("Invalid stbid\n");
8 \3 N. i+ s$ }1 @6 c( K, I - return 1;* f8 \+ K2 k+ d7 B
- }; g6 B7 |) S. ~, T3 L7 a+ _
- printf("\nNew parameters: \n");
- i1 z1 f( P6 [' {6 K% L& L8 G7 v - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 n/ J( A0 H" F6 R6 Z
- printf(" STBID: %s\n", stbid);
) V1 x) S4 _3 h v- G - y9 Z& `! J- S1 b2 A
- printf("\nDo you want to change paramemters? (y/N) ");
- t& ^/ p1 L/ W. }% w* U - for (;;) {
8 c2 U2 ^" t, Y4 q3 j/ V - c = getchar();2 q- F9 v& ]4 p
- if (c == 'y' || c == 'Y')
0 Q7 L+ o$ h1 y8 a! I6 f; ^ - break;
( F- N2 k9 Z8 w) @8 m: V9 Q, y% | - if (c == 'n' || c == 'N') {- F( I# c; |# s- P+ S
- printf("\nAborted.\n");/ r' C! {8 s8 W U6 ^
- return 1;2 s1 ~2 X: Z) p5 w7 B; Q/ X8 b: L
- }
. H$ }! \) E6 }' E2 l - }
5 M1 m7 l$ J) t, m+ C, a - if (writeparam(mac, stbid) == 0)
' l% G; X) X- C" b% n- R - printf("Parameters changed.\n");
4 h+ d6 Z- j* t. r. o9 \
/ W( }: ]! H0 t- return 0; o3 i6 ]* H* `) e/ ~* [/ B
- }
复制代码 |