本帖最后由 0522 于 2012-3-21 23:04 编辑 [. M! f: B7 B; N. p+ j
$ m, ?1 _. r2 c8 u5 _ @1 Y修改的代码早有了。到今天不会编译。 j" c @: P& \! B. r" S; ]* ?) v( V
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ M& m& g$ l; h& u4 {( ]
- #include <malloc.h>9 n8 n2 x) {8 H0 k0 r% o
- #include <sys/types.h>% y7 a n, E$ L: Q
- #include <sys/stat.h>5 Z/ b. l& B' s6 K' R
- #include <sys/ioctl.h>7 b6 O7 C. `- h( o% c7 G
- #include <stdio.h>
, b, J5 x$ b$ E+ y( d - #include <string.h>
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- typedef struct {& o- d6 f5 V! ~
- unsigned int e2prom_cmd_sub_addr;" \& y% `& p$ R# s& p% E
- unsigned int sub_addr_count;
- h" S, v' M1 c# e! X+ Y1 p - unsigned char* e2prom_cmd_data;' k* S' A( e9 t6 q1 X
- unsigned int data_count;
) H. H4 m$ B L; s6 x+ A0 } - } e2prom_s_cmd;, o7 i2 h+ K7 }/ }. @' ~' r
- 6 V$ H u3 M% Z" h# ?, g" H& H
- #define E2PROM_CMD_READ 1; s% u. i8 s% J$ S' ]
- #define E2PROM_CMD_WRITE 2
2 f) d7 B* i ^4 @+ Y4 A4 E$ H& T - #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;
: U: L" }4 s* P/ ~; x: j - e2prom_s_cmd arg;
5 { L2 V: x& d' h4 M+ a/ c3 @ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
: d' ~$ z2 B+ S$ @: m# Q+ @ - if (fd < 0) {! H$ N; }3 T$ t5 c& S9 K) @& \
- printf("Device %s open error.\n", E2PROM_DEVICE);
# B; e% z" [: V - return -1;
8 J& x* S- g3 m2 F4 Z - }
' C* t/ B% m& ?: N& z s - arg.sub_addr_count = 2;
( `8 z- Y) C3 z* \$ ] - arg.data_count = 0x18;. v% a4 H/ E, t* j+ h
- arg.e2prom_cmd_sub_addr = 0x290;, c3 A/ ? t( r, ~- T" W8 m
- arg.e2prom_cmd_data = buf;5 z1 ~7 g/ e8 s( Q8 }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- T6 w6 v: L! h/ N1 d8 k6 s7 ^& z - if (ret != 0) {9 Z, _ l" W# a" Q" |+ N
- printf("Device %s read error.\n", E2PROM_DEVICE);% e+ R! S7 ?4 g5 q* ]
- return -1;
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- memcpy(mac, buf, 6);
% \$ a" w/ {8 n7 S: ^ - memcpy(stbid, &buf[6], 18);# K) k& j8 x, S7 R9 @
- stbid[18] = '\0';
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2 t+ { N: i7 J5 Y. B- return 0;+ d3 C3 Q; ^( p* j
- }
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4 l5 Y; `' b+ w9 r5 ], M# ?* @- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 J& Y" s; C* G% f' ]; M* R - {
& e3 ?5 {: P8 F. X) u& z - int fd, ret;
) ~: a* T1 V3 ^! ~% R3 m2 w - e2prom_s_cmd arg;
, P0 V& W8 m9 H- d! h, Y - unsigned char buf[0x18];; E2 {1 N) ^$ n8 o/ |
7 A- E# k8 e/ K+ v; j- memcpy(buf, mac, 6);& V9 e. a7 I9 W! d7 P
- memcpy(&buf[6], stbid, 18);
9 Y# U8 @% i& Q - fd = open(E2PROM_DEVICE, O_RDWR);
' t6 i7 C {4 b+ r - if (fd < 0) {$ [ B7 ^3 P M H1 ?8 `& v) E
- printf("Device %s open error.\n", E2PROM_DEVICE);
: v+ U* r8 f( J5 M* ~9 S - return -1;7 p) s3 K# l z7 q1 R, E
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- arg.sub_addr_count = 2;# W4 E$ M8 }( s
- arg.data_count = 0x18;
$ K. S, K+ s2 A7 N5 _0 e - arg.e2prom_cmd_sub_addr = 0x290;
4 R/ z) |9 ^+ p3 j) z9 c# {" ` - arg.e2prom_cmd_data = buf;
9 k f. j; X. P0 d; C4 p - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 z( Y4 @( V8 I- i% S9 ?8 a - if (ret != 0) {2 J# B' X( c4 N6 T U6 P" X' \
- printf("Device %s write error.\n", E2PROM_DEVICE);
# r% [ \* W# D1 T |8 @4 z - return -1;. j6 l% X. Z( o( Y2 T$ T) H
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- return 0;5 N9 g: T- t. t5 h p
- }
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- int main()( a0 x5 P) m4 k" P# f
- {" H' U" @" b$ c/ A" i
- char c;8 U0 C+ V8 ` ?& W; j8 [. E
- int i, macs[6];
8 w; o" v$ G' H - unsigned char mac[6];
3 D. L* S. Z# a ?# m5 c3 t - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)8 q. T5 e3 i4 d3 k& \
- return 1;+ w1 f4 Z% J& @, B5 s; }6 }( E
- + V0 v4 H6 w& b+ D# {
- printf("Current parameters: \n");
) Y6 P) k+ `5 ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' `5 L! l% @$ D5 ?/ t$ e* H - printf(" STBID: %s\n", stbid);8 e' H9 M( t% q; W
-
% s4 V1 L) `( m7 a9 d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% x! [ \5 b$ z9 t; { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% l* W* |& l% l; u' c- L - printf("Input MAC error\n");
+ d. f. g& c* {( I - return 1; e; y$ t6 t/ a/ O
- }# Z! e4 ]) T8 v. B+ p4 D8 \
- for (i=0; i<6; i++)mac[i] = macs[i];) c# I. f" ^9 Z
- printf("\nPlease input new STBID: ");
; ~" j; e! W: i5 d2 e Q - scanf("%s", stbid);; B6 F9 o; K- n( Y
- if (strlen(stbid) != 18) {6 ?- X p: J" q7 Z$ U' t
- printf("Invalid stbid\n");
: |; {, B* i3 z" U4 B5 H. X - return 1;
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- printf("\nNew parameters: \n");" y$ G0 a- ^6 _: [0 {
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" W; A% c" S0 o' W8 r; u |) a
- printf(" STBID: %s\n", stbid);$ c/ |% J8 J9 l0 @9 L% L
0 A) H8 `. e' i/ D1 U$ a$ n4 _# z- printf("\nDo you want to change paramemters? (y/N) ");
6 j; z" k6 G8 O# V4 C9 `: ^ - for (;;) {
& J' [3 s( J+ c. S3 ]) n - c = getchar();
8 x$ n: d* A5 l9 @* r1 o - if (c == 'y' || c == 'Y')
4 p8 H1 v' u# K2 |* i6 k, p - break;
; B! B' Y1 q9 I( z2 R1 y - if (c == 'n' || c == 'N') {3 _9 S8 a% x' _
- printf("\nAborted.\n");
' x+ @1 j% P8 L9 y& f - return 1;8 h9 M$ K- f5 f# D6 E" Q
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- }
% V/ l% t0 ?6 M! d/ {: g - if (writeparam(mac, stbid) == 0)
) a6 _5 g2 M' z1 y3 U( q0 o) ~ - printf("Parameters changed.\n");
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& p/ `( j& ^- h: ^ j- return 0;
% z5 p& d/ k9 K& R4 x - }
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