本帖最后由 0522 于 2012-3-21 23:04 编辑
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7 g& n! p" ^" S( p/ M0 c8 S5 `修改的代码早有了。到今天不会编译。
; k+ d, X' L7 e1 M/ Q+ f" d需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; O! a8 M) r7 M z9 J - #include <malloc.h>1 e3 h _. Q' [6 s9 \) {8 B
- #include <sys/types.h>
! q, @8 C- b7 p" Q5 U - #include <sys/stat.h>& z" O K/ O6 I) }8 d. ^4 g- y; K
- #include <sys/ioctl.h>
! K% L7 b* q5 A4 V - #include <stdio.h> t' Y4 t0 l- R6 l
- #include <string.h>) M5 ?+ R2 y& ^6 |( y6 J
& u& Z2 q! V7 o- typedef struct {5 |# g' E# d/ A* [# n2 s$ B
- unsigned int e2prom_cmd_sub_addr;3 o! |" ]) o( z% ]" p! {
- unsigned int sub_addr_count;5 `, Z6 x0 k7 p v. Y( |
- unsigned char* e2prom_cmd_data;
* a7 L1 }. E& k d - unsigned int data_count;
! K. A! z3 i% J# T1 U% | - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1* t4 P' Z0 w( ?5 D6 J2 [
- #define E2PROM_CMD_WRITE 2
9 |9 \9 n+ d5 J - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 J3 G( H) p0 T9 F- static int readparam(unsigned char *mac, unsigned char *stbid)6 ^! F/ p+ L! n& ], O! b( J
- {
; T0 V3 v* h: V0 ~3 P6 _4 x - int fd, ret;! `# m* X0 m/ r" {
- e2prom_s_cmd arg;
) a0 r8 u0 p. {7 S! \ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" u* U7 B5 b- i$ g; S
- if (fd < 0) {
) ?, q" L0 h# Z' j( {) b$ f - printf("Device %s open error.\n", E2PROM_DEVICE);
& u6 A& k. m! F" h - return -1;* P3 l4 R- E/ W; Z& T% w
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- arg.sub_addr_count = 2;% C: x. o. K3 q; ~2 l' h, q
- arg.data_count = 0x18;- j" s. U; Y# k' r
- arg.e2prom_cmd_sub_addr = 0x290;4 M1 i4 I8 @- W- q0 }+ p! w" o
- arg.e2prom_cmd_data = buf;4 f( b/ \* c1 z, C; K! ^$ u$ b! ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 O0 n- O( H8 a: B - if (ret != 0) {
, F4 M: G. U9 m* U( s; V( z - printf("Device %s read error.\n", E2PROM_DEVICE);
+ L ^+ |+ ]6 ]* b1 G - return -1;
$ V: T! v8 Y4 ~, P% O* P - }' u+ h8 P. S) L5 F# |$ V6 \
- memcpy(mac, buf, 6);
; K( R1 g/ ?+ q0 y8 x; }3 M- c* A, P - memcpy(stbid, &buf[6], 18);
& |/ A. @1 H; O+ H* O; O7 S+ S a - stbid[18] = '\0';: ~- g) e! _+ Q5 j. L
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- return 0;
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! a5 I. L) C( z/ ]: w$ S- static int writeparam(unsigned char *mac, unsigned char *stbid)4 ?7 ^4 p( T( ^
- {
7 T' P( v0 d3 w2 W$ b* K - int fd, ret;% t8 U" I7 o4 L- b
- e2prom_s_cmd arg;
3 d: p; B8 D% T2 K - unsigned char buf[0x18];
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% b, f! S* E5 \8 S- memcpy(buf, mac, 6);
5 q3 f- e% L" T1 q$ |, Y4 N0 r - memcpy(&buf[6], stbid, 18);% D, R5 }0 e1 X* L, Q/ w/ {
- fd = open(E2PROM_DEVICE, O_RDWR);8 {7 p( ]5 ~. X3 X
- if (fd < 0) {& B. A6 y* a, Y
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 v. u7 B9 ]/ |4 B - return -1;% |2 |" H# \" h, u
- }) L* ~' L6 C) @1 k' a9 S% B; Q
- arg.sub_addr_count = 2;
+ n; _ A8 _) ]; V" G( t9 S - arg.data_count = 0x18;$ |3 r$ I! `, f# L6 ^- m/ v' a+ [; @
- arg.e2prom_cmd_sub_addr = 0x290;
' ?2 B6 c7 K; m' E7 j - arg.e2prom_cmd_data = buf;; c- o, z& N# Y- V; n! c1 x+ r2 X
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 n( J, Y3 M0 M! }) Y/ Z
- if (ret != 0) {" A4 N8 P5 ^4 j2 A+ z4 S0 F& A' v
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 S* L# w( t1 p& c - return -1;& c5 [: G9 {: F3 _# N- p& \; v8 `
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- : E3 a! ~, E' n; z/ {
- return 0;: n4 B$ u y5 W) m
- }6 i2 b6 }1 D* B# b/ f9 c
- 5 H7 O/ W4 V% Y+ {! v
- int main()* l4 @2 [. J% H1 H
- {3 u8 J7 c F7 v. t3 P' x# I
- char c;
- _3 s8 L1 v8 d- _ - int i, macs[6];
- ?1 P6 t4 C7 t6 l$ C3 J - unsigned char mac[6];
- j; X2 U: J5 z/ E, u - unsigned char stbid[256];1 S' Q+ e1 U: S" h# }
- $ [% c0 ~! N8 ?* g
- if (readparam(mac, stbid) < 0)
" p! y4 O/ s; w6 d' u - return 1;
q' h: I. U5 L- E8 p - 3 I* M1 L! E' t+ V& ]) q8 y6 f
- printf("Current parameters: \n");
8 u1 M" ]1 C6 ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* v8 [6 F% Q1 \2 e- |; C - printf(" STBID: %s\n", stbid);& A; j0 t! _; A6 R# L6 [8 U5 b
-
* M: I7 y2 Y: U: Y - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: |9 F( V8 w! y$ U - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, w0 \5 e% n! ^# h - printf("Input MAC error\n");# i. s: f+ `6 ]) `5 R
- return 1;
/ g# D% B! ~0 J3 P5 C7 |+ ^ - }
, X( i8 B, a7 o& b( R- a - for (i=0; i<6; i++)mac[i] = macs[i];* {5 z. H( d) s5 U! k
- printf("\nPlease input new STBID: ");
" R' t3 T2 T9 q$ N3 f - scanf("%s", stbid);4 O! |& R2 A" Z- W+ F# U5 g
- if (strlen(stbid) != 18) {/ w+ h6 x/ N, N' K- J
- printf("Invalid stbid\n");
+ K6 q* [: `# N! R* \! X* e9 N - return 1;) [/ D6 Q+ m( L9 E+ p7 s
- }
N- F# d) t5 P - printf("\nNew parameters: \n");
( s( ?/ P8 w% d! K& T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, |+ y0 x6 p( y3 G# F A - printf(" STBID: %s\n", stbid);% B+ P' R8 f$ n3 n Q1 V; `
8 g) Q- V) T8 t- printf("\nDo you want to change paramemters? (y/N) ");
$ t y! z2 m0 \: N& v - for (;;) {
! u% ~0 n- B+ v3 q6 ~+ m, q1 Q' r - c = getchar();1 }: W& `" | J6 y; i' J i; I5 S5 m
- if (c == 'y' || c == 'Y')! ~7 u' R4 ?: w
- break;; s3 c1 f6 ^+ K/ }! z P
- if (c == 'n' || c == 'N') {
$ j }2 f3 C$ W7 A5 {( U& u1 Z - printf("\nAborted.\n");1 R4 B: W" R9 ?: g9 X, P9 O
- return 1;
) ~$ A- X5 b6 f) g3 H# H# n% o - }
C; L3 |& N# N. \, U, N! D$ e - }
0 j+ d& n9 D6 t3 ]& O9 S - if (writeparam(mac, stbid) == 0)
8 ~2 t# N4 z! ~( @+ Y" ?' Y - printf("Parameters changed.\n");* f. L- n! P1 _8 g9 }! a, Y
7 _; h& L' M: g6 E5 q- return 0;' {4 b3 m6 L# C$ l( a3 W
- }
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