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。
% [) i) a4 C- q. D# ]需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 y) W7 [. S# Q - #include <malloc.h>
! w, g: N8 B( A9 v1 X0 u9 p9 Y - #include <sys/types.h>; ?$ S9 C) v F+ k4 P5 h- I
- #include <sys/stat.h>2 B. @$ {. ?- q
- #include <sys/ioctl.h>
7 J( q* F; Z3 y1 u' _5 X* K - #include <stdio.h>
9 V" o* {. e2 z - #include <string.h>
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- typedef struct {1 z7 a. }" g7 y$ `2 q+ H7 x
- unsigned int e2prom_cmd_sub_addr;7 {8 A% M- K3 Y3 V9 F1 i/ _7 M
- unsigned int sub_addr_count;
1 {' Y3 c! I% O$ z% W8 r/ l - unsigned char* e2prom_cmd_data;( P- N/ k+ B( b& Z$ q$ a% x8 Q
- unsigned int data_count;9 K$ a) |0 Y) v0 }
- } e2prom_s_cmd;
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8 k( D2 w- Q8 [! z" V0 m- #define E2PROM_CMD_READ 1" `4 @& x. |! H
- #define E2PROM_CMD_WRITE 2. z2 B2 u8 C2 z: D7 R* W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* t) t1 a6 Z& [
8 F' x7 T( b( r- static int readparam(unsigned char *mac, unsigned char *stbid)
4 g) X8 ] t& T - {# O. \- m4 R' }8 l& b7 e9 T. l
- int fd, ret;4 ]) p: w) O" m
- e2prom_s_cmd arg;
) V3 q6 ]! ~; k* ?: l - unsigned char buf[0x18];0 g$ I# p$ e1 {; P
8 N& E' @! T+ f& C9 b( \* d% }- fd = open(E2PROM_DEVICE, O_RDWR);, F: b% U! V0 `& h$ q9 _# J' L
- if (fd < 0) {! m4 _" t* \+ j3 g5 s( ~
- printf("Device %s open error.\n", E2PROM_DEVICE);9 A p' w* `. B: G2 O: ~
- return -1;
5 H: w& \- H8 a) V6 M" o - }
- u0 k' K+ k: M8 l1 D. J - arg.sub_addr_count = 2;8 L2 j$ P: K# R, `/ p7 w
- arg.data_count = 0x18;
7 B: t' N/ R9 I- s! N9 r( B, z& n" f - arg.e2prom_cmd_sub_addr = 0x290;
- O+ L4 [6 k2 {( q) P [. Z9 R - arg.e2prom_cmd_data = buf;5 g/ `7 _% p6 k' s9 X5 q# C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" ?2 a! e( b9 P: k
- if (ret != 0) {
, b% z a" t6 x% P - printf("Device %s read error.\n", E2PROM_DEVICE);
7 K8 f. @8 z& T - return -1;
4 {, _/ S3 j w/ T% u9 V- Y - }
# C2 O! R1 N+ |' t. B+ W* _ - memcpy(mac, buf, 6);5 p, R' y: W) }* ?
- memcpy(stbid, &buf[6], 18);( f3 r b1 y( e, I( b) l$ i
- stbid[18] = '\0';' ^% N: K4 M! r9 X
- * h2 p: a$ w& ?+ f( ^, Y
- return 0;( u+ t8 d) l5 N1 C. P6 K
- }
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) x4 v* X! Y4 _% x8 \- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
4 O# J# D K4 W. L# x; C - e2prom_s_cmd arg;# _# R+ p0 ]' j" j6 C$ Q
- unsigned char buf[0x18];; D& _2 Y" S& p8 w
* S) B& W! R; i* I# f$ ~- memcpy(buf, mac, 6);
# o {: W. r: S - memcpy(&buf[6], stbid, 18);+ g# q4 N0 L: R+ r* i7 j. s: e
- fd = open(E2PROM_DEVICE, O_RDWR);5 c( \# O7 T a& K0 S2 V
- if (fd < 0) {% Z) m' j$ ^6 C! s
- printf("Device %s open error.\n", E2PROM_DEVICE);
) z) x z2 l* q - return -1;7 _: B8 ~ V) O: K) g
- }6 M! n& i G, Q" F# B5 {
- arg.sub_addr_count = 2;
9 j" O+ F) r6 y0 M - arg.data_count = 0x18;
4 D& w) ]# c" }; J - arg.e2prom_cmd_sub_addr = 0x290;0 W/ o; t' W( U8 n+ m3 ?4 P& p
- arg.e2prom_cmd_data = buf;
2 P7 X( n _6 m+ e+ R; \9 k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! }! Y: k9 ` @7 L; b& ?- c - if (ret != 0) {' \: W: ]2 H9 b: C/ V
- printf("Device %s write error.\n", E2PROM_DEVICE);! Q1 C K0 y7 q4 V* m! s
- return -1;7 Q+ U8 T' N7 m3 s6 k$ h& Q. f
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- ; w }. U! ?" c: C7 A# d
- return 0;: r1 a: u, ^0 [, [
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; q- }" X" ]! @% ]# g" N- int main()
3 l6 o3 P' X3 D V - {
; a8 b! P& a G8 q- L) | - char c;
9 ?% h- v! P9 z& \' G7 k - int i, macs[6];; n, @2 |; `8 b2 W- S, w+ h
- unsigned char mac[6];+ U8 m' |2 J) `8 d. \( U+ k3 v
- unsigned char stbid[256];
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2 W0 r o- I9 w8 A7 A3 V- if (readparam(mac, stbid) < 0)
) W$ l6 |5 ?! |' |+ N - return 1;. x( }; K( a) r7 R4 Q6 g
# H7 q$ g) U8 `: t/ m1 Y- printf("Current parameters: \n");- t5 C3 H' N+ O& _. I5 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# l( g# c6 d* k' S" C
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! o$ {. T& |6 V2 {+ Y' h. N - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 d- {9 I4 R4 u
- printf("Input MAC error\n");: {/ ^+ R8 f/ E, s0 }% F
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];. a, i. r. a$ x/ K
- printf("\nPlease input new STBID: ");
% J+ _" o6 u' [' r/ g - scanf("%s", stbid);6 {/ ]/ u1 }/ K8 p
- if (strlen(stbid) != 18) {$ T8 v: c% T; u# e( q
- printf("Invalid stbid\n");' v4 C: G# U7 R! c
- return 1;
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- printf("\nNew parameters: \n");
5 k6 Y: M- g$ h! }/ |0 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 u' [; C8 m5 w6 X2 U
- printf(" STBID: %s\n", stbid);6 T8 S3 b1 n/ b* K2 c
/ e7 i& A, x0 Q2 r- printf("\nDo you want to change paramemters? (y/N) ");
: ~6 V/ y& ]0 U) s - for (;;) {
$ [1 N9 Q3 M' d6 J3 J% B' O a - c = getchar();
& c( O7 o5 K+ L ^ - if (c == 'y' || c == 'Y')" {/ w. m5 x' K' E
- break;
' O! N& ^" j+ a( ~, x, p$ X - if (c == 'n' || c == 'N') {" O* z. T V: J7 M$ [( O
- printf("\nAborted.\n");
' m/ I& g) M* ]& c - return 1;- m, ~& R1 ~ D V( w+ q
- }# x) O! Z/ G. r; Q) R
- }) o g+ N6 {7 R$ R
- if (writeparam(mac, stbid) == 0) / W, o& }: S6 I: \
- printf("Parameters changed.\n");9 |7 L- @0 i9 Y/ w; a
- 8 q& P# r+ M# h4 X n: w
- return 0;
' i- b( _ e8 R- y* H/ I+ r! e* O# c - }
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