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。
+ k' a# K* e L' ^9 s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 i4 L5 `; x( W, {5 v9 k0 P
- #include <malloc.h>
4 J2 I, y/ @3 V; ?1 h - #include <sys/types.h>
' j5 M. U7 S. k# V9 T+ ^ - #include <sys/stat.h>( v! Y* b1 o. F+ D
- #include <sys/ioctl.h>
4 Y% T3 k9 b9 M- _, N - #include <stdio.h>" [) j; V8 ~0 _* R% ~; a" r& |
- #include <string.h>! f7 C! q7 K8 T0 L0 l
- * h4 g) e4 _2 F8 u
- typedef struct {
4 o' L! y# R3 B+ L2 T; X1 ` T6 o, A - unsigned int e2prom_cmd_sub_addr;
/ d. n3 }9 r4 b( X4 X - unsigned int sub_addr_count;# S/ i6 t- A: Q2 x6 r& ^
- unsigned char* e2prom_cmd_data;1 C6 E) ~# f% ~
- unsigned int data_count;1 z; g, `" J6 `# j9 S5 x; r9 Z6 G
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1% s& L7 l- R% z9 B% w& t' c
- #define E2PROM_CMD_WRITE 29 t' d }' s) L4 d( ~! E u
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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6 a4 x% y8 R. u- static int readparam(unsigned char *mac, unsigned char *stbid); ?) v4 d* e8 W
- {
1 V7 A! C0 v" x6 @ B - int fd, ret;, F4 `0 D4 ^# C7 E6 A& ]
- e2prom_s_cmd arg;
; f- v6 K, }8 W' T" Y - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
3 b1 r( I3 n2 Z! ?6 x - if (fd < 0) {
5 x4 d/ z7 B; ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
* l9 g& ^, h9 ~2 b - return -1;
2 t9 @9 L% Q5 A" P - }
, U7 {& j. Z3 S& |2 u' p - arg.sub_addr_count = 2;
' d( u0 ^: z& D' A3 b- K - arg.data_count = 0x18;) Q) P. h% O ^ g/ {" R8 [; `
- arg.e2prom_cmd_sub_addr = 0x290;
2 p$ {' I" h: o8 K5 Y' D2 B* l: n - arg.e2prom_cmd_data = buf;
1 t) a* O& y& o& \% L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* i: P5 R# n$ N+ M( J5 p& U - if (ret != 0) {6 Z9 U8 |% D$ u6 _3 p$ c# U
- printf("Device %s read error.\n", E2PROM_DEVICE);
( }8 O# h' |0 P/ ? - return -1;
) t, z# U# S( K& v' F( K - }
$ g% s# L# j/ P3 p p( {; v& B - memcpy(mac, buf, 6);
\! ]& v) o2 b) M - memcpy(stbid, &buf[6], 18);4 t( z7 [ B$ Q( J
- stbid[18] = '\0';
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$ f+ c& |; ]3 [- return 0;
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' _1 t9 _6 L/ \% j- static int writeparam(unsigned char *mac, unsigned char *stbid)
# E2 Z" E" n; ?) b- v" N9 L - {+ z0 l6 Y) V+ r/ c1 C5 V: F
- int fd, ret;
/ c6 N- x# R* B - e2prom_s_cmd arg;
9 d& W6 T5 R" k6 p$ T/ v& o7 h - unsigned char buf[0x18];
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. G: t& l- ?3 D7 @5 r- memcpy(buf, mac, 6);
" v. ^5 M% h+ L- a/ O/ ] - memcpy(&buf[6], stbid, 18);7 L3 C$ Z6 F1 _- n$ ^
- fd = open(E2PROM_DEVICE, O_RDWR);
2 S! R& c: N+ {5 a4 h - if (fd < 0) {% o5 P6 b- r8 r4 ]2 N+ c2 h% q
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ ` |+ j& b" d0 K4 {+ k! |/ A8 f3 [ - return -1;4 \1 M* T" F; O! L# m
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- arg.sub_addr_count = 2;
2 w% U8 Z' j% O8 N/ @" ` - arg.data_count = 0x18;. C5 G+ R4 ]% O* H* s
- arg.e2prom_cmd_sub_addr = 0x290;
2 w- k5 u, c; y0 ~' Q - arg.e2prom_cmd_data = buf;
( g" y! e+ D/ K# z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. N5 H, k( S3 r; o
- if (ret != 0) {
9 o* V! @0 |' q" Q# N - printf("Device %s write error.\n", E2PROM_DEVICE);
$ M5 t' Y5 {# T( F8 c g - return -1;
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- return 0;2 B5 M" n$ j, I6 D" M' Y! g" Q
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- int main()
. `6 P$ S3 J3 p; w - {
0 h* i& _* _) j - char c;
; u, a f" K9 W4 V+ E8 w - int i, macs[6];
" e- A+ Y. `4 a" z/ P4 E; a - unsigned char mac[6];
8 i5 w+ C- h8 ^# Y - unsigned char stbid[256];) S& D4 k3 @9 i1 v: E
, {/ y6 Z" X% v! e3 B$ u/ O- if (readparam(mac, stbid) < 0), F' `/ E0 k- k$ Q! J8 [2 A
- return 1;
9 s5 n1 Q; x% T) z% B( q4 \ }
( P$ y" K" u* \5 w7 Z6 L- printf("Current parameters: \n");
7 M4 Y* f- k6 J- Z0 l' ?; X- F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" _: s' b& f% v4 G - printf(" STBID: %s\n", stbid);6 d/ c% a* D/ y9 }7 W% M, m0 v
- ! D* {$ ?. S' o2 u; P
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 g3 K, M( c8 j& v @! e( I, o. P) _6 S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) ?# S; q6 v$ J
- printf("Input MAC error\n");% H) }1 [$ _" Q6 A1 ]/ U
- return 1;
6 B2 j" d% M6 s" J- P/ Y4 M n - }
, @9 K8 W' m( y/ u0 | - for (i=0; i<6; i++)mac[i] = macs[i];. G% {% t6 W' j5 j- R
- printf("\nPlease input new STBID: ");
+ b1 _% v& \$ e9 G0 \: | - scanf("%s", stbid);
: f3 W# M, k" a. b% }; Y& j) f1 G; k3 V - if (strlen(stbid) != 18) {0 h; P) ~ f( v
- printf("Invalid stbid\n");
+ g4 q, ], z1 q4 ~# n$ i, F - return 1;5 P+ }7 e- Q; a
- }% q+ h# x8 n+ B" z
- printf("\nNew parameters: \n");! p& z: \, g& q1 L& I: B
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 d5 R+ _5 V; Q8 f - printf(" STBID: %s\n", stbid);1 o3 U, `2 _6 N9 t1 Q2 D4 ^, B. X
- ( p4 b( a7 _9 m5 R& Z4 y( m- s8 _
- printf("\nDo you want to change paramemters? (y/N) ");5 `7 l! {7 y0 b2 P
- for (;;) {
! ~# O( b3 m" e H3 | - c = getchar();6 K$ v- }: y t$ e7 w$ I% W/ D3 x
- if (c == 'y' || c == 'Y')
$ y( n' l0 F) e3 n5 }7 f - break;
' _; ~* b( X% m! i* G' M; ] - if (c == 'n' || c == 'N') {
* P- J* x) Y+ a: o7 x) s, w8 J - printf("\nAborted.\n");
$ @- [ Y7 a& g/ n r. i2 v - return 1;
2 I6 a4 F+ c, b+ a5 u, S6 l - }
! g6 T1 ]& K( s2 `8 B& i - }
. S3 H7 I, }" U - if (writeparam(mac, stbid) == 0)
) I1 x' L+ D) V - printf("Parameters changed.\n");7 ~( l% f) C2 y0 B% v7 e4 {7 k) e
- % P9 n w( Y+ L* |+ ]
- return 0;
! @8 o. \1 I6 m/ W4 i/ O$ q8 b! s - }
复制代码 |