本帖最后由 0522 于 2012-3-21 23:04 编辑
/ S3 C* F& N" v6 Y! r& Q0 L& ^+ g" `( Q( s. f7 Y8 t
修改的代码早有了。到今天不会编译。
. F6 K; E; L7 Q9 {) G需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, l4 J+ `3 ^. Z5 y# f8 } - #include <malloc.h>
/ X, f+ x4 D. l* t6 @ - #include <sys/types.h>2 R s* p# {! d* c7 k
- #include <sys/stat.h>- l9 _. A* E8 C" g, z9 V$ [
- #include <sys/ioctl.h>
k: n9 S6 y5 g# }4 Y - #include <stdio.h>
3 d. a* N4 W7 V. u, Z' L$ n - #include <string.h>: S; [6 J$ G3 j% `# f# Q" @; T
- C- R. L0 G# p0 Y* z- typedef struct {7 u' N2 M0 d* D9 R3 p9 s- _' `
- unsigned int e2prom_cmd_sub_addr;' d4 N, N: A1 V m5 g* e
- unsigned int sub_addr_count;
2 o; `8 E) |, ^. p+ v - unsigned char* e2prom_cmd_data;" | y1 h: W+ Y% r7 a
- unsigned int data_count;
4 u7 k8 R7 t8 B' f! ?9 Z3 v - } e2prom_s_cmd;
2 d9 m! f& m; K; M" B+ V2 \ - : ^6 W( ]6 k+ s* n7 p* \$ r c
- #define E2PROM_CMD_READ 1) R' ^/ Z+ K2 B" I
- #define E2PROM_CMD_WRITE 2
3 b; ]' }5 s# s* Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 p2 C7 t7 s! S8 e
- . a& `( L9 n( y) `$ ?
- static int readparam(unsigned char *mac, unsigned char *stbid)5 A* `) \" r' o; W- T% e8 u5 z
- {
" Y4 @/ Z$ U# X% T& p - int fd, ret;4 ~$ b; o6 s1 y/ x' B( p+ }
- e2prom_s_cmd arg;
% N4 Q6 y- ]7 I8 z, }0 z - unsigned char buf[0x18];1 \" q) U. r+ K3 Z. J" y4 b
- 9 e, j) M" s3 ^
- fd = open(E2PROM_DEVICE, O_RDWR);
2 v4 b7 X' B$ ^) a- _ - if (fd < 0) {
4 D& n& H& V4 G. u8 l# b4 e - printf("Device %s open error.\n", E2PROM_DEVICE);6 n9 i- ^0 W* q, g- u' Q
- return -1;# c! ]4 D* p$ l% e s+ k, z' u ~0 c
- }
3 s) p8 f! S3 I# J - arg.sub_addr_count = 2;
& W5 @1 B- m) n - arg.data_count = 0x18;4 y, H; I' Y: f5 ?- V6 P
- arg.e2prom_cmd_sub_addr = 0x290;
% a3 ]' Z) R8 D( w: ~3 O - arg.e2prom_cmd_data = buf;4 h& j: y- H; s/ E0 _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* f2 o9 c5 e7 N! I0 X) }0 ~$ p - if (ret != 0) {
( H0 G3 s- Q5 s, t - printf("Device %s read error.\n", E2PROM_DEVICE);
& I% \% C5 d I9 C0 n3 q - return -1;! P7 k- B: P3 r
- }" [1 c! y2 `6 j- l
- memcpy(mac, buf, 6);
1 N( [2 h# x: Y [ - memcpy(stbid, &buf[6], 18);( y5 e6 w: `: J/ _! k9 X6 C
- stbid[18] = '\0';7 p0 [+ t2 k1 g- G; @; w5 K4 g: f Q0 L
; S' C, e8 S6 M& G. Q) r; q( r5 {- return 0;: Q% t2 m. ^1 L$ M) ?0 z/ d5 ^
- }
6 ~. M9 r# k7 Z6 S# f - ! y+ v) \+ u9 p1 }5 S
- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 G% ~2 L$ m' }$ _( d* s - {% q/ z! Y9 j5 V$ i
- int fd, ret;; s2 q% m8 l5 K6 m I2 B4 E
- e2prom_s_cmd arg;6 X$ e8 k# P8 ?8 U
- unsigned char buf[0x18];3 Q% A9 R8 Q/ Y5 U
- " P/ G: O3 `& S" L
- memcpy(buf, mac, 6);
) z" r* q6 Y# H" @. g5 ~ - memcpy(&buf[6], stbid, 18);- l/ B2 i0 `- |' k9 e
- fd = open(E2PROM_DEVICE, O_RDWR);
- L8 v( m$ G1 d' p# C1 q - if (fd < 0) {" W9 {% @" o& Q
- printf("Device %s open error.\n", E2PROM_DEVICE);* d4 ]0 ~5 B1 n5 c1 d
- return -1;' \5 M9 f+ @9 p* ]( ~, B& o3 l
- }; h1 h8 c' B- [5 z) d0 n/ I, n
- arg.sub_addr_count = 2;
3 r* x: \' |+ Q# O% w$ }/ b0 @ - arg.data_count = 0x18;, A6 t, B& e9 j" v1 j$ A
- arg.e2prom_cmd_sub_addr = 0x290;
z! ~6 q' d. o- F$ G) h$ ?) w - arg.e2prom_cmd_data = buf;5 v; j9 }. K- P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 M1 R& h" Q9 J% f
- if (ret != 0) {. X* A% J" }) T w- P
- printf("Device %s write error.\n", E2PROM_DEVICE);) Y4 _4 u% \$ N6 A6 k# w/ W
- return -1;' ?+ i% K2 {: |! Y
- }. |" |4 z, L8 s; |% ^
# i% C! R4 h5 i, R) @0 W, n- return 0;4 n% Y' F4 Q7 m8 H
- }) R4 o9 j3 P! T7 R. z* U& \8 b
- % m; o% H8 @9 J/ }3 M9 k
- int main()
' W+ H' \1 L; C1 x! | - {$ i3 G- g# B- T" [5 X6 p
- char c;
$ R- J. H* j; S( e* Z8 [; F - int i, macs[6];
1 W% Q# r0 m. V6 p8 R; ? - unsigned char mac[6];
- f t ~) `' M: D9 o' S: Z - unsigned char stbid[256];2 I* z) O( J j, O
! {& ]/ W8 b, J* C- if (readparam(mac, stbid) < 0)
, c+ L- ]9 z$ c8 A% j$ ~ - return 1;( D& x7 k, B' k! x" f" Z) q
- " k9 ~3 O+ ?! g) H, T' r
- printf("Current parameters: \n");
# k! N$ B1 W; b0 x! m: y# [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: d2 z) U- I x+ w- r
- printf(" STBID: %s\n", stbid);
q% F! c' V* z8 \ - ) z' g1 r5 e f+ a
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 L+ _$ u1 M3 g8 e6 s. L4 N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 s/ Y; E2 Z/ D, q' d' U9 F - printf("Input MAC error\n");1 ^ ~, S$ V a+ O
- return 1;
" p, i) i3 X. N( U1 Q! Q. g - }
, L3 ?0 b/ Y+ l# g$ y$ ^6 l5 c, ~ - for (i=0; i<6; i++)mac[i] = macs[i];( G- L+ R8 W/ z9 ?. _4 h
- printf("\nPlease input new STBID: ");
$ a H, l3 B& [& f6 _ - scanf("%s", stbid); p+ J) r& p& v/ s X- o, l
- if (strlen(stbid) != 18) {9 H/ w8 U F$ o; R5 r9 | ^
- printf("Invalid stbid\n");
8 `+ o0 e. S. ^! {2 i - return 1;" }0 }2 s+ P. x! ?9 e5 b+ c+ V
- }
, [7 r8 u3 D- ` - printf("\nNew parameters: \n");
% x" I$ [9 o8 [$ u8 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ T: A% U* q0 c - printf(" STBID: %s\n", stbid);
0 ?7 C4 ]/ C' ^: W4 z7 { - " m2 O8 ~ f4 D& q! l
- printf("\nDo you want to change paramemters? (y/N) ");
- v A2 p. f- \3 b; O: H - for (;;) {
: |6 N. }( t: r* _* W0 _ - c = getchar();, E: O+ z2 g& R1 m
- if (c == 'y' || c == 'Y')# ]9 J; |5 c0 K- \* \
- break;3 g& {+ w* x% J5 x: V$ F. ?
- if (c == 'n' || c == 'N') { ^6 W' L- e' E1 M1 y- I
- printf("\nAborted.\n");2 d7 @$ S; d8 F, w( I' {! ^
- return 1;
% L m) Z+ e: | - }
# V d3 d- N; y0 ~- a; @! K5 |+ Z - }
$ l% _% L8 a, v) M' W4 c - if (writeparam(mac, stbid) == 0)
/ v; h/ `0 U$ ^1 J - printf("Parameters changed.\n");
% { C+ |( g$ z! m, m - 7 j. n: A$ r* Q( F$ b9 m
- return 0;
6 Z* f7 k2 p% N - }
复制代码 |