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。7 @$ C' ~; ~1 c1 H* \, d! G& a$ v
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ M! x2 @) `/ l
- #include <malloc.h>: C# a5 Q/ B1 ^( K
- #include <sys/types.h>* @! A4 \! W' o" I/ f
- #include <sys/stat.h>& }6 n- K' k9 }
- #include <sys/ioctl.h>% u1 Q0 s+ j& h- R
- #include <stdio.h>$ E0 F5 T% U- {4 V Y* k
- #include <string.h>9 G4 j+ |. o* W" Z$ X6 Q
8 s! Y ]1 ~8 _$ C- typedef struct {
3 R8 ]" v' v( B - unsigned int e2prom_cmd_sub_addr;
% P F/ x: D1 l6 J5 e( H: e - unsigned int sub_addr_count;. h. ~1 B& P: P8 s* S3 i: u
- unsigned char* e2prom_cmd_data;
" I0 Q q4 k. {3 x8 T9 V - unsigned int data_count;, i; J- ], q, D5 f
- } e2prom_s_cmd;
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$ X6 C9 x7 q: s8 }! }) E0 Q5 x- #define E2PROM_CMD_READ 10 |- l+ ~: @0 S8 J3 K; P
- #define E2PROM_CMD_WRITE 2
6 j) p. H) B1 c& H2 m" |5 }* X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"$ j( G' f1 y4 M5 y! @5 {2 O
- 6 W n+ C: T! n/ J2 j, l7 |% Z
- static int readparam(unsigned char *mac, unsigned char *stbid)3 i6 l! K% f8 _5 S
- {
- J" d5 G& O) r$ j. a0 z - int fd, ret;
. @7 W7 f" t m! @$ Q - e2prom_s_cmd arg;
$ p- \5 X2 R+ U2 I6 G$ i - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);- e* e+ u# n2 y0 ?. ~, l
- if (fd < 0) {
- |/ d0 j, i* E - printf("Device %s open error.\n", E2PROM_DEVICE);
! M/ z7 K( a, ]# a4 y. S) j - return -1;4 [# e, h! k+ x6 ~ P8 t# A
- }1 ~% A) m! S+ B* |/ }
- arg.sub_addr_count = 2;
3 o% T o/ O' c; F/ o - arg.data_count = 0x18;
8 N' _$ Y1 ~& ] - arg.e2prom_cmd_sub_addr = 0x290;
. S' W$ r0 K+ _, U - arg.e2prom_cmd_data = buf;* f+ h8 u, F4 x1 u: N, M3 ^
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 m" g# [- E+ P6 o! h
- if (ret != 0) {2 D6 l" V4 C8 s/ t9 L# `3 D
- printf("Device %s read error.\n", E2PROM_DEVICE);: u; P$ @5 x: [) ~, e
- return -1;6 d( u! R* X' I" A
- }
( Y( i4 K; m3 S% @- b - memcpy(mac, buf, 6);" m+ B; a9 y* U( R- _6 u/ H/ g' h+ G
- memcpy(stbid, &buf[6], 18);2 c7 a0 |4 k, K. z$ j/ S1 X; Q
- stbid[18] = '\0';- G) L7 p1 N2 `( p' E1 a _
, w* m9 T( r. @- return 0;4 O7 W* R( u. c: P0 O- S
- }1 F# _* W, Z+ K- b/ y4 H
3 W2 t* b: \( w- static int writeparam(unsigned char *mac, unsigned char *stbid)
- G( t S( W! D- L7 V+ { - {
V# N: s2 E& M5 y6 a - int fd, ret;
4 s& }6 u6 F E4 ?8 a6 S$ B - e2prom_s_cmd arg;
1 O& s( \) d: {0 L$ m/ I - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
( u! \$ b4 S9 L* E/ _" a5 ^ - memcpy(&buf[6], stbid, 18);8 S0 D8 [8 U) `
- fd = open(E2PROM_DEVICE, O_RDWR);
2 a' J3 J9 c1 Y, u0 X2 @ - if (fd < 0) {; \; a. N0 X) Y: W* i
- printf("Device %s open error.\n", E2PROM_DEVICE);* ~8 A, i8 V/ \- C
- return -1;1 z; a8 ~8 B- |$ ^# r
- }0 ~' V- }9 v9 B6 p% M6 ?8 [
- arg.sub_addr_count = 2;! _. a& g/ ^. u; H7 ]/ s5 \" G; o
- arg.data_count = 0x18;
- Q( E7 M5 \8 [! q( \) h - arg.e2prom_cmd_sub_addr = 0x290;
( I: d7 I1 p, x' \ - arg.e2prom_cmd_data = buf;
- J, l' F/ i& W3 s. x7 ]6 X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 Z. Y% ^% f- N' u) `+ E! [- F
- if (ret != 0) {) L/ }3 w5 C/ H' N0 m: \2 `) O; H
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 j$ O; N2 R! _+ C n - return -1;
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- return 0;2 m( m, V: r. H: O: m
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) ?/ `6 D1 y, X& \% K. x- int main()
8 @& c: n' x" P) t& v0 F - {
- I' e6 m1 O' ]" E" j/ n - char c;4 P" G8 u7 o9 K% M3 a/ e
- int i, macs[6];" m$ y- u) B6 u6 l
- unsigned char mac[6];. v1 M! U. I; t! j! p* T
- unsigned char stbid[256];* e7 y7 F$ H2 z- |! O
- 9 o9 r) k. j. Y9 x+ j. s2 q
- if (readparam(mac, stbid) < 0)
- k! Q C) \ g* a4 u! Q$ r9 I& Y - return 1;9 E, p" z' A( L3 y
- 4 b- B8 K4 r9 [+ I: F2 g5 n$ p
- printf("Current parameters: \n");
3 J& r: n% M2 q: K, m+ v" O1 W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! R+ Y5 o. H% I7 g3 q# N x$ }* ]
- printf(" STBID: %s\n", stbid);+ ?) s# [0 C. V- t* Q1 g
-
) C# I K9 O2 X Y& f( D - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# V+ G; U4 H! V' y1 s4 [) z0 ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: W0 b5 l' I3 O7 c - printf("Input MAC error\n"); B- K# u% ^/ F/ `; g3 L5 }
- return 1;5 e0 V7 Z+ n$ x8 {! L4 e* L- n: l" X9 X
- }
. B& X* p9 j1 t* G' j0 w - for (i=0; i<6; i++)mac[i] = macs[i];
0 ?$ j* h0 H+ P$ W/ g p - printf("\nPlease input new STBID: ");
4 p- v; c# B; K. I* {. [ - scanf("%s", stbid);! a5 k4 A$ Q3 {# n, L2 V8 }6 b
- if (strlen(stbid) != 18) {6 ?3 s, O' K# P- K
- printf("Invalid stbid\n");" j% v: ]. ? E- }; w
- return 1;
' o9 D: ~7 Z6 @9 s# a. _ - }
9 S$ `3 d. s( V: J+ ` - printf("\nNew parameters: \n");0 l7 K: X2 s. T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; w0 T& c2 @4 `2 t- Y
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
; ?4 n& c; L# U" `, Z5 K: O - for (;;) {
& D9 R0 \) h4 w) b7 M$ } - c = getchar();" f% c+ d8 R- e1 z5 k& t- Z5 Q
- if (c == 'y' || c == 'Y')
: y/ N( b' ^' C N, h0 k2 q, x - break;5 a. \ B8 e$ j
- if (c == 'n' || c == 'N') {$ K1 ` z/ w( @
- printf("\nAborted.\n");$ g1 \; |* I0 L7 I8 S: v" i
- return 1;
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- if (writeparam(mac, stbid) == 0) / ?5 H; \! G! A8 i2 k1 r& A" m
- printf("Parameters changed.\n");. J; v4 N$ j& \& d& J
+ |; n% A% D# {- return 0;! e4 B1 A# N% l9 Z
- }
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