本帖最后由 0522 于 2012-3-21 23:04 编辑 ; p8 ]* b; c- w7 @. {
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修改的代码早有了。到今天不会编译。- B d. Z" E4 \$ Q6 m; O6 n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ i$ w4 Q! h! J+ E7 c
- #include <malloc.h> I& K' D; D2 c
- #include <sys/types.h>
# C, ~$ D o7 n% N - #include <sys/stat.h>6 ]' @; b1 ^" f5 G) w/ M
- #include <sys/ioctl.h>
) P( d" p% g. R e: P - #include <stdio.h>
0 W5 @% z# O. s" ]0 M - #include <string.h>! w' U; \3 d6 _: F5 j: |( J6 ]
! k S9 u0 V n' @- typedef struct {
1 ?/ u7 e5 G# |6 | - unsigned int e2prom_cmd_sub_addr;( O( v! l s; I7 E6 |$ r- K. J
- unsigned int sub_addr_count;
9 `1 P8 O; T$ i5 C8 q e1 ?) l - unsigned char* e2prom_cmd_data;
& ~8 A$ r* b7 e% v* {, _4 j+ P - unsigned int data_count;
3 X1 y2 G, l! g - } e2prom_s_cmd;( Q+ u. E: j0 l5 [% t: p
- 9 z, @, I1 x, j8 e `/ X, P* Y
- #define E2PROM_CMD_READ 1
) d0 t- ~# V" e8 f5 s4 S. G - #define E2PROM_CMD_WRITE 2
0 A( { G9 U1 N) v4 G* x) y. p/ t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ L& ^' Y7 i; K3 y" f
! [! [/ ?5 b/ T, F" A- static int readparam(unsigned char *mac, unsigned char *stbid) D- Z, P5 l( q
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- int fd, ret;3 K* ?' O( l- q, }" z }4 H4 \
- e2prom_s_cmd arg;
^: b0 ~0 S0 M6 m3 W - unsigned char buf[0x18];
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J5 ^& m- }' J$ Z, T' c* h- fd = open(E2PROM_DEVICE, O_RDWR);1 g1 S+ T: S! l& l% \3 y+ a
- if (fd < 0) {" g4 w7 Z, z3 @# A. a* i/ N
- printf("Device %s open error.\n", E2PROM_DEVICE);
' J, C1 N+ H4 R/ u3 b - return -1;2 Y. U5 w7 c' O6 P/ ]! y
- }
: U6 ?6 D! m& T E( b5 o - arg.sub_addr_count = 2;
* F: S5 H, C8 f. s% H7 @; w& ? - arg.data_count = 0x18;/ U, Z3 e1 U7 I" ~
- arg.e2prom_cmd_sub_addr = 0x290;
$ @# s K* W2 ?; n4 F! {0 ^* q - arg.e2prom_cmd_data = buf;) m5 Y1 W0 |7 @" R# A' \" c) _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ e, r) T$ z3 B1 W% G, j8 C, L4 t - if (ret != 0) {
9 p, ]) d+ l& X. e' J - printf("Device %s read error.\n", E2PROM_DEVICE);
5 ?9 u! I+ J0 A0 B! m+ ^( }1 j - return -1;1 p5 b; A3 w& O3 d
- }
+ \( ^( A; h8 d - memcpy(mac, buf, 6);
2 H: w6 h8 g$ ~; N8 t& e3 |* B6 Q8 ` L - memcpy(stbid, &buf[6], 18);
* I- {1 c# j; d# C( |2 W0 @ - stbid[18] = '\0';% H) h. g8 ^' H' _& ?; c
: H- M7 \; j& I2 W- return 0;8 W Z9 p" i0 B3 x$ ]- `: P
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- 7 ?6 u( a9 G: }6 j# \6 c
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; |+ a# [/ I) S
- e2prom_s_cmd arg;0 L9 W# q4 C7 W1 s) l
- unsigned char buf[0x18];9 T0 B& h$ ^7 ?# w& P1 d
- + H' }4 l. d5 {0 l M9 z$ D
- memcpy(buf, mac, 6);
! B$ {2 O+ r V& H - memcpy(&buf[6], stbid, 18);3 `: @7 P1 y, {
- fd = open(E2PROM_DEVICE, O_RDWR);+ t$ H7 |) F1 v2 U8 P1 u
- if (fd < 0) {
- E/ E$ V$ d. {! o) h/ y - printf("Device %s open error.\n", E2PROM_DEVICE);
% l k* }) A) G, \9 [ - return -1;/ X5 p8 j, t4 R# ?) u
- }
3 c9 ~' q% C4 W$ d( S& P - arg.sub_addr_count = 2;
$ w* e; M: T# b- V' n6 K, H - arg.data_count = 0x18;0 L2 ^* v" k% S& M
- arg.e2prom_cmd_sub_addr = 0x290;
+ K/ K4 M3 |' R& x: t - arg.e2prom_cmd_data = buf;
6 r" d R" Q" Z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ M' d$ ?7 [. c T8 { @( G. o - if (ret != 0) {
3 P# x# q' t+ ?* W, L" \3 N - printf("Device %s write error.\n", E2PROM_DEVICE);
' O, k+ E$ H9 l - return -1;
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. o6 `4 A, f/ u7 O1 E' e$ W- return 0;
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7 R) I; v$ {* a# c* [ P- int main() t; N, R! ^% G5 J$ f0 h# Q% H" T
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- char c;1 y/ [) X' F# G- [. D
- int i, macs[6];, ^: d( v! F1 w5 H: |
- unsigned char mac[6];
# r0 W- R8 ]9 o6 L) F4 F5 R4 D7 d- e - unsigned char stbid[256];
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( n# R0 {) |6 c: k' t* L# H- if (readparam(mac, stbid) < 0)1 R4 x8 Q! y1 q: Y
- return 1;
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- printf("Current parameters: \n");
1 D3 k& m! J/ h! n5 k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); F( X- X. f3 o7 `. |& _, j
- printf(" STBID: %s\n", stbid);
' b" H6 S, t j" |' i+ W" g+ G - + S: Y. i2 g p) h) S. B% k
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ l! H! Q! v5 G0 m2 [/ a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 j% @% N- P7 G0 z$ ]* j - printf("Input MAC error\n");7 }- Z3 e% ^9 M; o5 Y# X
- return 1;4 J, u0 s+ e1 M' z9 x& Q/ h. z( S
- }% k' P' x7 |9 h
- for (i=0; i<6; i++)mac[i] = macs[i];
; ?- U# h# j* f4 j: b - printf("\nPlease input new STBID: ");% c- @ ~" C# E: }3 @4 ^
- scanf("%s", stbid);% V1 u+ L" d& v- p
- if (strlen(stbid) != 18) {0 @4 i# Q6 u( B7 z8 O' ^0 Z/ v
- printf("Invalid stbid\n");
0 a3 U. w& J6 Y+ z! s/ m - return 1;
. m# Y9 I6 O' b - }
4 L8 y7 t8 `" U" h6 ~ - printf("\nNew parameters: \n"); x0 s7 f# Y( ^% @& k& ~
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 |0 R6 _: t( R0 S3 x8 T
- printf(" STBID: %s\n", stbid);8 {$ l1 ?# \) A i/ m0 ]$ a5 M
# |" z1 `/ Q3 Z3 @6 V6 T7 j& k- printf("\nDo you want to change paramemters? (y/N) ");! g: t: {" x, @, m$ P
- for (;;) {+ b: \' c: s4 r8 |7 d
- c = getchar();( u& h$ w9 r# K& c) @1 Y1 |
- if (c == 'y' || c == 'Y')
1 L( ]5 t. o2 _ - break;
+ l; M3 D2 p) @" b5 }* q0 @ - if (c == 'n' || c == 'N') {
0 j X3 |1 }: v; T9 g! x - printf("\nAborted.\n");0 o8 w8 N. x& t& U* f* `/ Q
- return 1;
! B% r B- j9 E6 J7 r5 w - }
3 c3 |6 t: _" p' k! j: R - }
7 s$ \- b9 }% P! c. O - if (writeparam(mac, stbid) == 0)
8 i- J9 G+ w( G, E) S - printf("Parameters changed.\n");
# Z6 p6 ^5 d8 K/ @- I
) B" w) y2 R! {# s& R7 Z" {- return 0;. s% _, o2 P# i0 j) x
- }
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