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。
8 _3 F% p9 s: }2 [" Y9 ]' m h需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 _$ U' i* t/ [2 V4 d
- #include <malloc.h>
3 W/ i- G9 _% T& B/ E7 G g' R+ G - #include <sys/types.h>' B( G7 [5 n8 G8 ]/ n; U7 }3 \2 k1 f# h
- #include <sys/stat.h>
" L" B6 U! S( p$ O3 }/ C+ m - #include <sys/ioctl.h>4 M- c* f+ F3 W. ?$ \
- #include <stdio.h>
; w2 N3 n% c) e% i0 ~ t - #include <string.h>* A4 A- ^) Q' V! B
- 7 B' u0 b# S9 f T, J5 \" g. s
- typedef struct {
0 V, }; F0 ^+ R: U - unsigned int e2prom_cmd_sub_addr;/ P( j: u' p1 i: P9 C5 T+ w- F
- unsigned int sub_addr_count;7 M: ]! X% Y% i1 p9 g
- unsigned char* e2prom_cmd_data;7 Q, m# H9 ~( r* Y( P ]
- unsigned int data_count;
1 u) J4 K& @# H' c9 X, S - } e2prom_s_cmd;& B; q! V( i) m/ s1 z
8 c9 F0 [! i' S9 Z' Z- #define E2PROM_CMD_READ 1
; b" p" C) [0 s' Q$ @) V - #define E2PROM_CMD_WRITE 2
, R2 d; J4 A$ l5 H3 V8 v; F+ I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' u" x: r' ` G( A
# q# S, @ ~' C4 H3 Q- static int readparam(unsigned char *mac, unsigned char *stbid)) E; m6 w# X! a9 g$ M7 `% x
- {
5 B% ?% |' m5 O- p+ l - int fd, ret;
1 C+ A0 n6 R3 Z# V: l8 U4 {0 u - e2prom_s_cmd arg;2 ~. e x5 ~$ q. c1 `) ^
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 I0 K2 Q% I( N$ A3 h. J3 U! I - if (fd < 0) {" w3 p( i( u: Q t) X4 E+ o- T6 t
- printf("Device %s open error.\n", E2PROM_DEVICE);& t. t/ q& w' ?0 h8 S2 o8 h
- return -1;
( ^: b6 b# v* C - }
# z `( e: u+ r( O - arg.sub_addr_count = 2;
& {) L& B4 N7 B1 Z% A1 O/ J - arg.data_count = 0x18;7 a* \& E7 H: L, [& n# h }
- arg.e2prom_cmd_sub_addr = 0x290;$ [1 P$ e' v$ O ?/ a
- arg.e2prom_cmd_data = buf;4 `$ v8 b" j$ c+ c& a
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) X9 \7 ~: K4 I) L- [$ H - if (ret != 0) {) h$ y0 x5 X' W& | k7 Q9 R
- printf("Device %s read error.\n", E2PROM_DEVICE);
4 Q! _! f+ p. T- m: `5 c - return -1;
& }8 K0 X: S) d0 V - }
, e$ `1 p1 Q. U" f% r - memcpy(mac, buf, 6);/ q4 {8 W1 g! F1 w- a0 r$ D2 k
- memcpy(stbid, &buf[6], 18);2 I; Z0 E2 p. q% w% ~6 D: W
- stbid[18] = '\0';
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- return 0;
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* w Z J9 b0 A- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;# Z3 r0 U3 N& u3 z$ M6 P4 P
- e2prom_s_cmd arg;
3 R' O9 D. X `9 c( b. A& Z - unsigned char buf[0x18];
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l, a6 [2 ]' C- s' a- memcpy(buf, mac, 6);5 { Q0 s7 q$ S1 N7 Q! Z" M
- memcpy(&buf[6], stbid, 18);) t1 u% E& v& A7 [7 I
- fd = open(E2PROM_DEVICE, O_RDWR);
0 T7 [% x. M5 u8 q - if (fd < 0) {# J* \% E, d" |0 Q# V4 |
- printf("Device %s open error.\n", E2PROM_DEVICE); s% g! A8 C9 N
- return -1;
/ i# V4 V: T% h' S& M - }
2 {" N$ a# P- Y6 G* N6 [ - arg.sub_addr_count = 2;7 s! }8 `, `. R3 y- ^% x4 ?2 l$ i
- arg.data_count = 0x18;
4 z/ q+ c8 `$ M8 K; Y$ I! g# u - arg.e2prom_cmd_sub_addr = 0x290;
5 t* @( _- _2 H, a% C5 h" w% X - arg.e2prom_cmd_data = buf;
$ i' F% ?% l" d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# {, O- J/ B) E E5 m - if (ret != 0) {
. u% R3 p3 H+ y {$ ]4 L, ]* u - printf("Device %s write error.\n", E2PROM_DEVICE);
3 e4 ?6 [9 R9 V0 a9 }, l# K; I - return -1;
; M! h' G) r/ _9 }9 W6 m - }
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; o& q% `; \. q* `; H- return 0;
3 q0 w" j) f! @2 l7 B' V, B1 Z% ] - }
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- int main()/ Q. e% ]0 p4 v3 g; f4 Y
- {7 {* K6 Z' Q- U9 m( l8 S
- char c;
- {( O) Q! L2 S, z2 Q" O2 N4 {2 A - int i, macs[6];. x5 e- O) m7 W
- unsigned char mac[6];
, a% i/ R/ O) A( S; W* h - unsigned char stbid[256];
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7 P' i1 M: b6 I0 l( o/ m& o+ r- if (readparam(mac, stbid) < 0)
& K# B3 f5 G3 [! C X }' L+ D - return 1;
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- printf("Current parameters: \n");
" k& W: n* q7 B- n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 n+ c5 ^' y; P; L8 r - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
! B6 b5 G' g! ?9 _) C& q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; J: d( [+ S( @6 H: c0 l. B - printf("Input MAC error\n");
2 U2 b+ R, v/ ~1 V w7 ?- L - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];2 U# B) j4 l" V4 ^0 ^0 K4 H
- printf("\nPlease input new STBID: ");
( j; _7 p$ D! O: S! H% B8 ` - scanf("%s", stbid);
, I) W8 C# P3 i3 }. O - if (strlen(stbid) != 18) {5 M8 Y+ S4 j+ r4 I! ^6 I
- printf("Invalid stbid\n");+ p n# y% N2 z; ]2 }
- return 1;; d* x+ V" \6 }& g
- }; k8 m! M5 j) t, j: t+ i- x* \
- printf("\nNew parameters: \n");' K' e3 q/ D5 q' r" X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. ~! E. ^+ W9 R0 v - printf(" STBID: %s\n", stbid);
# _2 H" Y3 c9 S8 r8 u7 X- ^
- } z: z- e- @2 \5 l0 n& |& @1 y/ u! L- printf("\nDo you want to change paramemters? (y/N) ");/ @3 k# i3 |; _) @& T$ s1 W( z
- for (;;) {2 {# i- A8 ?2 ]4 }3 ~7 r: D
- c = getchar();
; B3 i. R& W! k - if (c == 'y' || c == 'Y')
) I" D8 j" X) d- d7 [8 {- P - break;: [ @: s5 k% q. H9 r5 z2 c9 H
- if (c == 'n' || c == 'N') {6 N- B/ E2 S0 y- T
- printf("\nAborted.\n");# ^- a5 E) ?6 R
- return 1;7 z. `* k- H3 [! W5 B3 }
- }
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- if (writeparam(mac, stbid) == 0) ; a: L4 @: \1 P- _5 L" E
- printf("Parameters changed.\n");
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- return 0;
" _5 x! w9 n* H' n z$ o) g - }
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