本帖最后由 0522 于 2012-3-21 23:04 编辑 5 L9 b5 E6 N. D7 l G
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修改的代码早有了。到今天不会编译。- Y, f; Y7 \0 q; }7 A' S- j
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: R! L4 N! _/ k% }& d - #include <malloc.h>
0 H% P9 p+ B2 Z0 s6 D+ ~# n - #include <sys/types.h>
) g) [2 _/ h& c8 `2 Y! p - #include <sys/stat.h>
# f0 W0 f4 P( Q6 d - #include <sys/ioctl.h>* c" B9 F8 r* |% C- k( c1 H$ w
- #include <stdio.h>/ y/ s1 b2 ~5 @9 D
- #include <string.h>5 v! B+ y# z! Q' e6 z
- m) c( w( z* T% [
- typedef struct {
1 b8 x) s) h6 j' }4 T. Z9 ] - unsigned int e2prom_cmd_sub_addr; d6 g. {8 d! l% s! {; V3 e
- unsigned int sub_addr_count;
: l2 E! |% c& h2 D8 A$ w* B - unsigned char* e2prom_cmd_data;
: E* b9 m& X+ Z( k+ \6 E0 b$ r - unsigned int data_count;
- x9 e/ F7 L9 \, P4 W+ b - } e2prom_s_cmd;& R7 N# C- i. e8 K5 z# n& z
- - d$ N- j9 Y& ?, M; w7 f" t: X
- #define E2PROM_CMD_READ 1
0 S2 s- Q* R, ~( M. G1 Y7 h - #define E2PROM_CMD_WRITE 2$ G( {: l4 z+ S
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; [, n4 z2 O7 d3 D. s- static int readparam(unsigned char *mac, unsigned char *stbid)5 T) [* S( S/ T) ~. h/ V9 Z
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- int fd, ret;
) A7 u; `5 }' `( Z/ c, ~ - e2prom_s_cmd arg;- M2 C6 c" p) X0 d( S1 f
- unsigned char buf[0x18];. O3 u7 f& D. `2 A2 {, X* b
, V6 I+ j$ q6 W8 ~2 E' }! w+ y- fd = open(E2PROM_DEVICE, O_RDWR);
0 d J* U' K: l& n0 e! u% R3 E( o - if (fd < 0) { Z3 N- o1 a3 C& C! k
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 Y0 N4 Z- z; x3 F' F) v% o - return -1;
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- arg.sub_addr_count = 2;' w8 T" A# l3 Z2 H' B" y
- arg.data_count = 0x18;
- l& V+ e4 T1 {; G - arg.e2prom_cmd_sub_addr = 0x290;
( y) F0 z! R" D' w2 `& L5 P7 v - arg.e2prom_cmd_data = buf;: I! W1 f6 C" p3 E n) m! ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 ]( @- j/ @' z( I, _
- if (ret != 0) {
f o! `9 M7 R N0 I: z7 r! v - printf("Device %s read error.\n", E2PROM_DEVICE);, |6 o7 M0 |$ j3 B
- return -1;6 X$ q2 u# G! ~0 `4 k* n
- }
- l) R4 p7 o+ G9 s' c - memcpy(mac, buf, 6);2 l. n) V" {* ~# T
- memcpy(stbid, &buf[6], 18);
! X& H6 [# p# Y9 w - stbid[18] = '\0';: [; V" h. @6 O. T, k
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- return 0;" Z3 u5 A* V7 o8 w
- }
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1 l- `- y% r# U2 {2 d5 {2 z- static int writeparam(unsigned char *mac, unsigned char *stbid)3 ]. }# F1 c3 B/ z
- {
6 x8 p8 r& C% P D5 [- Y* p9 Q% w - int fd, ret;
+ B. g: p1 Q" p7 N0 Y - e2prom_s_cmd arg;6 `; K8 N. F/ G
- unsigned char buf[0x18];* z m8 z! t2 ]! y, m# z( s
- 7 Y* C! T3 J Y$ S- I8 n; ]
- memcpy(buf, mac, 6);
" [6 }3 @ a! Z0 w! k: a* c - memcpy(&buf[6], stbid, 18);" r% \: M9 _; E9 W2 X
- fd = open(E2PROM_DEVICE, O_RDWR);! t2 S( c8 t: ?4 A( |
- if (fd < 0) {& W- Q6 V: l" @8 A6 a- B
- printf("Device %s open error.\n", E2PROM_DEVICE);; w+ w: s0 D' a2 o
- return -1;4 m3 X# O* ~, I. m3 l
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- arg.sub_addr_count = 2;
) v4 u" C- x; m2 D1 z/ Z7 m - arg.data_count = 0x18;
/ r0 Y8 o* H) k6 B - arg.e2prom_cmd_sub_addr = 0x290;1 U- S( w' @) X; ^3 P
- arg.e2prom_cmd_data = buf;0 f6 d- h. O! |/ S& y5 N' U
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' Q2 X4 q7 d- Q: L* M; u - if (ret != 0) {5 ]/ m) T3 T) ~- ~3 G3 W' Q
- printf("Device %s write error.\n", E2PROM_DEVICE);
( R9 y/ k* Y1 Y9 r - return -1;
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- return 0;8 w5 \% f s* x: x2 h/ ]
- }
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- int main()
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- char c;0 U N& Z5 l! F
- int i, macs[6];! ^8 O" i d" B8 v0 w: o
- unsigned char mac[6];: p; y& j' s! U+ z- f/ \
- unsigned char stbid[256];2 }4 d9 I) G1 V' i& U6 Y
- , T# }5 J0 j1 ?: v+ @
- if (readparam(mac, stbid) < 0)
4 S% x. @/ o7 v4 _ - return 1;; R: `1 y" }+ {6 T$ X
* ^" O$ v5 A4 q& A% Y- printf("Current parameters: \n");/ A4 A7 ]8 |$ v9 J( J4 s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 j g6 A% A5 E& x' y% x
- printf(" STBID: %s\n", stbid);7 u8 [$ I8 v- i- l+ W& g) \
- 6 H7 ^3 ]3 L7 ]2 Q3 Q9 @" s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 |- a7 ]/ N, Y* p5 D - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ V: Z* W, Y: E' N [- m
- printf("Input MAC error\n");' z$ A7 \9 o, @1 m3 G! d8 b
- return 1;8 Z' K5 {) Y9 K( o: W& [
- }
' \$ \; X: c, i; U - for (i=0; i<6; i++)mac[i] = macs[i];2 u4 e/ L8 ]! |& @* q
- printf("\nPlease input new STBID: ");
* A2 ^5 N& h6 X- b A4 x7 @& g" n - scanf("%s", stbid); Q. h" Q# e6 K+ ~8 z# \
- if (strlen(stbid) != 18) {! O4 l. z F4 N; w- ~
- printf("Invalid stbid\n");
7 a0 [) Q, H# |8 m0 p) a - return 1;
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1 Z" U1 y! J. @4 }+ [ - printf("\nNew parameters: \n");2 q1 I/ t5 y; G3 |! N" d1 P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- P/ S: o u6 N: C8 `0 u$ l
- printf(" STBID: %s\n", stbid);9 F0 Q4 {- i; }6 _* k
- 3 F. N' r4 T8 V7 e' X
- printf("\nDo you want to change paramemters? (y/N) ");
: k! |2 j1 q6 s3 n* o5 v2 ]( b2 i - for (;;) {
6 ~9 l" R9 G9 K1 v - c = getchar();
]2 j; n! F; ? - if (c == 'y' || c == 'Y')
! t. c" `3 ]9 F1 B - break;9 }: u1 h4 c9 N5 d, b+ \/ Y C. }
- if (c == 'n' || c == 'N') {
$ h) Z/ l( |) g$ Z - printf("\nAborted.\n");
/ X+ f2 j) R2 B ^8 R - return 1;
' w: u8 T$ ~9 F- F8 X: x - }
* B+ d# v5 ~# p - }
1 G1 P9 H e. ]: | - if (writeparam(mac, stbid) == 0)
2 @, \& b" G- u/ W6 w2 C - printf("Parameters changed.\n");- H. z Q1 c, c/ m
: f$ U ~9 e: n' o- return 0;
" ?" R4 {5 a7 d/ i) }3 l6 B" J - }
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