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。+ C6 k6 I+ _. I4 A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> l+ m7 [: R; k7 V4 @' F
- #include <malloc.h>; X: X* M' \" k& M2 H6 j( m5 T+ ?
- #include <sys/types.h>
1 }, q* Q0 l! ~. K5 ?8 | - #include <sys/stat.h>
, n6 ~+ x/ Q& ]$ m2 U- C - #include <sys/ioctl.h>
' N3 ?# b2 x9 |% ~ - #include <stdio.h>
8 I' a/ R$ J3 f8 O - #include <string.h># |( @6 u- L0 Q- L
- 6 N0 b6 Z% T5 }3 d3 f% L- P3 P7 }
- typedef struct {
3 q( b: d- U3 r2 l& S - unsigned int e2prom_cmd_sub_addr;
2 ^( A" u3 |# l0 t" w! v* e' M - unsigned int sub_addr_count;
+ h' j7 T X+ \ - unsigned char* e2prom_cmd_data;" w% R; w) {6 o$ q* P
- unsigned int data_count;* F- x' w, K x5 s6 Z
- } e2prom_s_cmd;
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) n. A: I4 Z3 o8 k# s' d; M- #define E2PROM_CMD_READ 1( G2 L/ P8 @/ J3 o: h
- #define E2PROM_CMD_WRITE 28 B0 Y, e; [/ |: h9 e2 \& ]
- #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;) g2 N! E9 Y3 f9 Z5 b% G1 x
- e2prom_s_cmd arg;
* @* V7 q( r0 {5 S* C, N - unsigned char buf[0x18];
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- F$ r% t: ?2 R- x7 \. w- fd = open(E2PROM_DEVICE, O_RDWR);' ?/ a" c; a, e# X" \, V
- if (fd < 0) {
9 H# H6 d% f2 S: @" E6 s - printf("Device %s open error.\n", E2PROM_DEVICE);' w9 _# b; g* K! J) k1 t8 a0 c* I9 V
- return -1;5 L$ l( S; i) K8 J+ `5 h' L% p
- }
; S4 a3 l! s% F* v - arg.sub_addr_count = 2;
- `% j( c: i! K" @. \ - arg.data_count = 0x18;
( [1 g' U: ~9 H" r. O - arg.e2prom_cmd_sub_addr = 0x290;
& F \. T$ r/ T3 y - arg.e2prom_cmd_data = buf;, y+ c2 f/ |/ w* Z; S" Y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% _& R/ E. h* {
- if (ret != 0) {4 i+ X3 \4 N* D l0 E( V' H: B
- printf("Device %s read error.\n", E2PROM_DEVICE);
, Y7 i' y3 `! H: n, e - return -1;
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- memcpy(mac, buf, 6);; ?) p0 Z0 \9 J5 q r' Y# W+ C
- memcpy(stbid, &buf[6], 18);) s; f5 B* n& T/ f% b
- stbid[18] = '\0';
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5 D8 O4 R x5 o( L8 p+ y- return 0;5 m5 W# N5 q' j3 k
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)5 e3 r2 T* o0 w
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- int fd, ret;
# W9 w8 M2 n7 ?* R - e2prom_s_cmd arg;
/ S2 a7 f. s, v% R% S% z - unsigned char buf[0x18];. l8 I1 `( \, {, _/ u0 i
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- memcpy(buf, mac, 6);
: A* d, m% h+ O3 f: y. a- Y - memcpy(&buf[6], stbid, 18);
* s# h3 v7 V8 ?1 q7 A ~ - fd = open(E2PROM_DEVICE, O_RDWR);, P8 ~* D. T7 G# z A- O' ^
- if (fd < 0) {0 d2 J( ?" H4 H4 f- O
- printf("Device %s open error.\n", E2PROM_DEVICE);
# Y8 `7 B0 F: u; o6 ]5 f! R+ A - return -1;
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- arg.sub_addr_count = 2;
0 K2 `! d5 z; V& t6 ~7 F5 A - arg.data_count = 0x18;- d1 ^) {8 ?4 M# E' d3 y( Z( ?
- arg.e2prom_cmd_sub_addr = 0x290;% w- N4 Y( |- n3 }) l
- arg.e2prom_cmd_data = buf;
1 T4 E" U; `" U8 f, t - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 |: k6 c; D, u I7 r; } - if (ret != 0) {
9 a: P: z0 q0 P# U5 P m& d - printf("Device %s write error.\n", E2PROM_DEVICE);
. s& ?& q. V, h$ W M - return -1;
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. L( H' I) A& F+ X/ g; c: K2 }- return 0;
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+ K, d( |8 q' Z- int main(): |7 g2 W' U4 W! U$ f( @3 G1 s/ J; Q
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- char c;
7 k: i8 L4 f2 Q9 M - int i, macs[6];+ [7 O9 R( k2 `' o/ |+ u
- unsigned char mac[6];
9 f* O2 v( A7 L0 \ - unsigned char stbid[256];
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5 K+ o9 o0 q/ \% E G- n- if (readparam(mac, stbid) < 0)
" I6 i" C; ~- l9 `& S% a - return 1;3 O: o# b$ o. h; O9 x. D
- # u0 H( {; F8 G# G! a5 M, |
- printf("Current parameters: \n");4 o: s ]- g4 ]# G2 g8 l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( h, b! w: p2 M; H6 p - printf(" STBID: %s\n", stbid);5 Q: s- ?4 ?$ o
-
. R3 ^% n: G7 {# U3 ` - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); m2 k! k6 T! \. F0 I, p; S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 `& N$ L9 t: U9 `# e R
- printf("Input MAC error\n");4 v# f0 }! D2 {6 K
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];( b' P" [4 J, L4 _
- printf("\nPlease input new STBID: ");1 p& B: B9 P4 s( O
- scanf("%s", stbid);
" R( n- A0 @* p \7 O8 { - if (strlen(stbid) != 18) {0 O9 t7 n& q9 c* F) ~1 l! N: s
- printf("Invalid stbid\n");
) {1 V5 J5 W( x% A4 n) v$ @0 d/ d& j - return 1;1 e' e8 O+ p/ ?; b* C
- }
$ f9 Q! E2 j; l& [4 d G4 i' { - printf("\nNew parameters: \n");1 H+ e0 r% D/ E, ?/ i6 l4 z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* y4 c, n6 X( R* s; Y! E( k
- printf(" STBID: %s\n", stbid);
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" R1 _2 i2 U; w$ m- printf("\nDo you want to change paramemters? (y/N) ");
6 m. c( |8 ]" U - for (;;) {7 O1 x: A9 P4 ^# ]: w; E* Q* o( F E L
- c = getchar();
+ B: w$ ~8 U9 h; d( M - if (c == 'y' || c == 'Y')8 w A& E( a% o, t& j
- break;
0 x9 u8 u0 X9 m! O - if (c == 'n' || c == 'N') {
4 w K9 V( [: l+ B - printf("\nAborted.\n");
( a4 X' k; a- r' `# {! N - return 1;7 R3 k' b% S% e8 W8 p9 H( k# C- }
- }
+ j! p( {/ u4 \! \% @ - }
" e; L8 S2 `' G - if (writeparam(mac, stbid) == 0)
1 X' w, }+ y" [; g! _5 w/ V - printf("Parameters changed.\n");$ _ X# e9 ^$ Z3 G# N$ A3 |
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- return 0;
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