本帖最后由 0522 于 2012-3-21 23:04 编辑 : @9 ^0 g3 G0 K' s) e
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修改的代码早有了。到今天不会编译。
! S; w$ ^% t! P1 r0 r6 A( ]0 ?需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 w0 n. I6 k$ \6 I# F. J; d
- #include <malloc.h>0 `! y) }) ]+ y h' d
- #include <sys/types.h>: D+ y' ^ S3 E- R
- #include <sys/stat.h>! D7 L; Z& ~, O
- #include <sys/ioctl.h>+ h6 y7 r4 G1 W) [
- #include <stdio.h>9 R& K2 W6 C, ~& z9 _. T6 r. D
- #include <string.h>' S2 [8 v) L- ~
1 i, R/ s% S$ p m& l, f- typedef struct {* J2 [7 l7 o/ V8 @. Q b
- unsigned int e2prom_cmd_sub_addr;
. A8 @7 W: g, A9 ~ Q$ e9 ?) y - unsigned int sub_addr_count;
+ L- ]% F c; }4 j8 [ - unsigned char* e2prom_cmd_data;
$ Y' ]: `; W$ t* D. e$ E& @ - unsigned int data_count;
$ N Z2 U( u$ l5 X# g/ c - } e2prom_s_cmd;5 G/ o$ ]9 d0 q! ]% K
- % ]( U4 a9 b/ ] A2 f2 H1 j/ {4 s: B
- #define E2PROM_CMD_READ 1
& n% f- [$ l/ P+ I3 w - #define E2PROM_CMD_WRITE 2
' H+ d5 o* z: @% d( ^ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid): K! s. K2 d+ d
- {% {$ O8 r' A% c0 g3 U/ T: N S
- int fd, ret;
0 Q7 ^9 l& q3 u - e2prom_s_cmd arg;
: R2 D7 i) V3 B* b' N( Z2 ~ - unsigned char buf[0x18];% y$ V4 t; R) j/ e/ k! c0 q- ~5 T4 s
- ; F ?. `- m, `4 u+ i7 `9 O$ S0 H
- fd = open(E2PROM_DEVICE, O_RDWR);
. Y+ M* O1 c0 d* ?5 X9 ] - if (fd < 0) {
N, T; G- e3 R% m - printf("Device %s open error.\n", E2PROM_DEVICE);4 g3 ~$ I0 q) w) u
- return -1;7 Z% U& v2 B% c( `
- }
' v2 x5 x8 b; v - arg.sub_addr_count = 2;$ Y' S- a# ?& ^" T1 n! T
- arg.data_count = 0x18;
4 {9 _/ o$ p5 V* q# Q5 p - arg.e2prom_cmd_sub_addr = 0x290;
& f+ @9 Y- h- Z; T6 O! z( ?% r - arg.e2prom_cmd_data = buf;5 j" D+ O+ X* J8 o" _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 S* L% S0 `/ W3 Z - if (ret != 0) {0 t$ } ]) E$ m( m2 S$ D
- printf("Device %s read error.\n", E2PROM_DEVICE); X; [9 g9 w. `# j
- return -1;( g, o" X. n( |) X
- }
0 ]% P7 U. i1 B6 R+ Y, U0 h - memcpy(mac, buf, 6);3 K; l- J% s7 O0 ?) N( } M+ |% Y
- memcpy(stbid, &buf[6], 18);
4 E4 @( e; l" P8 I7 l( K - stbid[18] = '\0';
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0 M9 _9 q' D, U" @7 _: p7 s. g- return 0;
( \; c- I$ Q, I u - }! g' d+ y- U) M1 p
- ( s+ m: q: Z2 b Q3 }' J7 d
- static int writeparam(unsigned char *mac, unsigned char *stbid)
) ~0 t8 X* x$ G; }0 p0 x - {
0 s% z4 n* _* B4 o7 u - int fd, ret;
* X) W" h* ^# e) A( @& R( f - e2prom_s_cmd arg;; @4 O9 K# x7 Z4 X! a4 w
- unsigned char buf[0x18];
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9 A3 x0 j' ?5 z5 D) A- memcpy(buf, mac, 6);4 y& J8 q7 x% w# I8 n' i, Z6 X
- memcpy(&buf[6], stbid, 18);7 s5 s( K. o, W+ m* L% @8 a2 {
- fd = open(E2PROM_DEVICE, O_RDWR);$ r& i `6 V# H, X7 T" ~
- if (fd < 0) {
2 G; `! W5 L; o - printf("Device %s open error.\n", E2PROM_DEVICE);
' u; F, B, q0 n/ n5 K' D# j* Q - return -1;+ G2 O8 ?9 n V$ W) ^
- }; s! ^6 H; c% I, x6 J7 `8 U
- arg.sub_addr_count = 2;9 O6 ~; F d4 h) ~; {$ M
- arg.data_count = 0x18;$ d; W* W' k9 u/ D
- arg.e2prom_cmd_sub_addr = 0x290;9 u. U3 l4 i6 S3 g6 S" K
- arg.e2prom_cmd_data = buf;
$ m) V: b! m" h' W/ F9 W, S7 {4 s. Z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. B B# {2 b; R: O% c
- if (ret != 0) {0 e( d3 m2 Q& g7 e. s, B8 S! m
- printf("Device %s write error.\n", E2PROM_DEVICE); S8 f; I$ I, m5 @! d
- return -1;. v) U+ K4 x, _* j, g J$ L
- }
+ ]: `1 [, B: {1 l
5 c2 J; y/ j$ S- return 0;
& s$ O9 l, { a1 y* _( m% Z; C' r - }
1 |- B& M9 K2 y7 o& }
+ K8 o4 }) q4 n* I4 C; {& n2 ~$ G- int main()
}+ k0 V% H3 `5 v4 J7 y# a - {# \& D e9 ^- Z
- char c;/ F8 M( S* I; M9 R5 y; B7 Q0 ^ i
- int i, macs[6];
. K7 y; V3 r6 ~9 C4 A; t: j4 E8 p - unsigned char mac[6];! e: t* j; w" n5 ~" x( {2 d
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
- ~# m: U: s' k I6 |* @ - return 1;1 g& K$ b" w# E1 R/ @ \3 V
- ! y& |7 t7 p$ q0 h2 c+ z, N' J) V: Z
- printf("Current parameters: \n");% y6 W* i6 S4 I* E0 M3 l6 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' N4 Q9 \7 ~0 Z+ a* k
- printf(" STBID: %s\n", stbid);$ j0 }$ _* d3 [' x4 T- s
-
+ O* q2 H9 k4 s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( o6 _- q1 C# }4 ~2 v" f k
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 [5 z* k; p- P% q$ ? - printf("Input MAC error\n");# }: N: U- Q3 j, }* P
- return 1;
b$ f! I: Y2 K r/ \ - }
' J8 a6 T6 c h! Z+ U - for (i=0; i<6; i++)mac[i] = macs[i];2 D' p5 |6 F" v7 k
- printf("\nPlease input new STBID: ");7 x5 u, W1 G! j; l% Q- K+ T" ]
- scanf("%s", stbid);; }/ C+ L7 A4 v$ m: W( ^4 Q0 P
- if (strlen(stbid) != 18) {1 b/ A- i4 X7 |% B* i/ I9 c
- printf("Invalid stbid\n");8 J, R0 F4 @- d9 o4 e. o7 j
- return 1;* Y4 Y# u9 ]0 Z/ U! Q
- }
0 Q% j I& X0 r% | - printf("\nNew parameters: \n");& ?6 j. d$ L+ m5 |) p4 U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* x4 G; K6 x' h) J- b+ G! k
- printf(" STBID: %s\n", stbid);1 o' ]: s1 X9 ]* c
3 T; E( o4 u' I. J3 D* ^- printf("\nDo you want to change paramemters? (y/N) ");: q: f1 ~7 U1 `8 Y( [
- for (;;) {
9 Z5 W7 R' K1 T( p( _ - c = getchar();' Q$ G+ O+ l1 e" _
- if (c == 'y' || c == 'Y')) i7 p1 z. E* z" X, x V5 H
- break;
: q: e4 o% P( W, X+ w - if (c == 'n' || c == 'N') {& b7 |1 K l* v A& R- n( k& }
- printf("\nAborted.\n");
( c1 p4 H/ Y! D& }9 Q# V4 D9 T7 M5 f - return 1;: ~+ Q# Y' C0 ]- m
- }5 o& ~/ `- e: ?3 z* m; o
- }
( q' |! e3 T/ {" I" S2 Z0 z& z+ m - if (writeparam(mac, stbid) == 0) 4 I! r4 v$ t7 ]8 ?3 W
- printf("Parameters changed.\n");3 k) A3 R+ w0 J. h1 s8 J4 k% }
- 6 k% p! N: p4 c
- return 0;
$ O* k5 T# O$ I9 v* {& g% q1 @ - }
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