本帖最后由 0522 于 2012-3-21 23:04 编辑 & N# n" X8 b4 ?0 R! X' H* w, F# d
9 g5 X8 ~: G/ u7 m `2 r修改的代码早有了。到今天不会编译。
, c8 M% ]6 U# F7 i; O0 F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# `' b/ y6 `+ ^% e& t - #include <malloc.h>5 S! d+ m. e; O+ R* m5 e
- #include <sys/types.h>1 P4 O# s' F3 T& U
- #include <sys/stat.h>- t) @. g: f `0 I% `
- #include <sys/ioctl.h>3 Q0 P3 O5 \1 @+ V9 H4 ~% f
- #include <stdio.h>/ j) J* ?( p2 T# U+ r5 ?
- #include <string.h>
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' e+ ?: X' J- e5 d2 s, b/ h/ O3 z- typedef struct {
. w7 \# c( p: r1 r5 Z - unsigned int e2prom_cmd_sub_addr;
( D# f6 f* W4 j1 s, S- F - unsigned int sub_addr_count;
) U; G# T& h. q$ ?' e' ~ - unsigned char* e2prom_cmd_data;+ A& z3 r# w" u% \& Q9 b$ g
- unsigned int data_count;
3 i, W4 @# L" { - } e2prom_s_cmd;1 e& L. d0 `$ G
- P% V* u/ [' i4 ^2 @4 T
- #define E2PROM_CMD_READ 1
, w+ W+ B2 Y W: O3 B - #define E2PROM_CMD_WRITE 2' s! M+ W. T" ]# j" f0 `
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
3 C. q; g9 c) {1 M. g - 3 f+ A! Z, v7 _2 ]. R4 @: }
- static int readparam(unsigned char *mac, unsigned char *stbid)" N" {2 w' x! T/ Z, W1 G
- {+ ?$ v( M' u8 U1 u
- int fd, ret;
2 U$ g" ?! S3 W8 v# c - e2prom_s_cmd arg;2 E; H; N6 B) S# v8 M* {2 T
- unsigned char buf[0x18];+ p" J0 F2 `- v J( `" a
' C6 `8 i0 ^! z7 k" Z2 Q- fd = open(E2PROM_DEVICE, O_RDWR);
" N1 f0 R2 s. ` I - if (fd < 0) {
4 c4 X, `3 k1 V/ N/ i5 K B5 o" J2 O - printf("Device %s open error.\n", E2PROM_DEVICE);
( u" k! X0 i8 W) D' W! }7 u - return -1;
. R) i9 K) v% z1 t - }
4 ^! `% J) ~+ E9 w W - arg.sub_addr_count = 2;
! r# n: w/ B7 @; h; C. [8 r - arg.data_count = 0x18;
! m8 U) I# T1 J2 N/ O - arg.e2prom_cmd_sub_addr = 0x290;0 ~2 Q1 ~. ^/ u# H4 e
- arg.e2prom_cmd_data = buf;
8 q0 X3 |" U: B" p0 g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) U9 M% I+ Y0 ]' e4 ~# h* Y - if (ret != 0) {0 t6 j# k; D( d
- printf("Device %s read error.\n", E2PROM_DEVICE);
9 ~% U9 b- u( l" ?( H' f- `# a2 q - return -1;5 i- l8 V( w/ B" K
- }
$ Y4 i0 L) @% F5 S: x - memcpy(mac, buf, 6);
- H) W {" S8 ^3 T1 {* M; v - memcpy(stbid, &buf[6], 18);7 V( [7 F5 l& a1 t0 v
- stbid[18] = '\0';, D6 e3 u% Z! N( R7 J
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- return 0;
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- & G) C6 P4 N, ~! ~
- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 a1 E( H, `. a+ I. h1 N - {
1 ^" l$ }' T" g' J: @; M" k' q - int fd, ret;
9 @& }0 x ^ a1 m! u( p. ] - e2prom_s_cmd arg;
, U) h5 ~( h }. O - unsigned char buf[0x18];3 v& [2 x% B. Y+ H" i l
0 f+ p! W |3 V; ?, Q- memcpy(buf, mac, 6);
. T# Y4 T* w% f) D8 v/ B - memcpy(&buf[6], stbid, 18);
" x5 S' P! X/ f0 v2 t9 @. A - fd = open(E2PROM_DEVICE, O_RDWR);* q6 a, L* C) ~( W0 _% F- R
- if (fd < 0) {
: |" Z- I% T2 U4 z; w4 z( f2 U - printf("Device %s open error.\n", E2PROM_DEVICE);$ `( D6 Q6 X" l9 J
- return -1;
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- arg.sub_addr_count = 2;% v& C8 \0 P/ ^
- arg.data_count = 0x18;
5 i- _0 f$ L7 z - arg.e2prom_cmd_sub_addr = 0x290;8 L0 s/ o- |# M5 K. M% q
- arg.e2prom_cmd_data = buf;
8 D; ^8 r( n. M) j& q. U6 }7 n - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- v' Q: F* t2 D' ^" w
- if (ret != 0) {
; K) \7 ^, M* e) V# H - printf("Device %s write error.\n", E2PROM_DEVICE);
6 i, ?+ _; O, }5 Z& V+ ` - return -1;" f0 Q, q- e3 S. v
- }
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6 m/ X, c! G" X6 B9 Q3 V$ q- return 0;
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- 2 S2 _4 Z$ j" W% S2 B' N, U: X
- int main()$ Z' k: m" z; ^
- {
( s* k9 s% H' X0 K& {6 J8 V - char c;
4 W. p1 I4 B( U. a9 q$ ]! J* B- W1 S - int i, macs[6];
" b% l0 D4 S$ U( I+ T - unsigned char mac[6];, j7 r6 V, ~7 y" ]4 m0 }9 A' `
- unsigned char stbid[256];( f9 m, l6 g4 i/ G
- 9 { _! {# ~* t5 o
- if (readparam(mac, stbid) < 0)
. T- k1 I2 Z, V) y( N. Z - return 1;
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- printf("Current parameters: \n");
! I9 ~. _4 m6 K( a- a( b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% M+ o# A7 L% S2 B: ~" F - printf(" STBID: %s\n", stbid);
- |6 T8 o) q& e - - l+ ]9 s; S L6 |5 G
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% H6 u J' a: U! [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
* h9 D! @% z+ c& r4 {9 J/ e) T8 w - printf("Input MAC error\n");
1 r' ~" Y |- k6 ^. I - return 1;5 w/ \+ C0 T+ K1 V& P. I# p
- }7 U* ?, k& C+ x: B5 l; K% a4 i
- for (i=0; i<6; i++)mac[i] = macs[i];5 o: ^. f2 r/ j( r8 j
- printf("\nPlease input new STBID: ");
2 H. f. I4 f1 X; T; r" w) d - scanf("%s", stbid);, d2 D! u1 _ X- V! A
- if (strlen(stbid) != 18) {
2 I- Z7 o0 `; i9 `) [ - printf("Invalid stbid\n");
3 t9 s' n4 |0 ]% B - return 1;8 C1 C* x. ?) w O4 G. W( D1 J9 I
- } P5 F& B2 P2 q9 H% q
- printf("\nNew parameters: \n");) \) B' q: H* \; K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 G8 p3 H$ O. O* v
- printf(" STBID: %s\n", stbid);) _+ i6 K- H$ d$ ~* l, i
- 1 C/ L. Y/ v+ O, h |
- printf("\nDo you want to change paramemters? (y/N) ");
8 @- Q, l2 m" k J- x5 J5 j - for (;;) {$ w L' {- F) a, D. C0 [. ?
- c = getchar();
8 [! j( m+ j2 V1 E - if (c == 'y' || c == 'Y')
5 n0 r* R7 ], E) z7 t! u7 K2 N$ _ - break;6 n+ L4 B; ]* }0 F
- if (c == 'n' || c == 'N') {& M: }, N7 N. q8 G7 L
- printf("\nAborted.\n");
8 I. a2 m5 s# b8 j+ O - return 1;% l2 G4 b( J$ o7 q& |5 [' d; Y/ e6 s
- }1 o7 F# m5 J7 ]5 O) m
- }
$ {. {, Y5 w3 A; d - if (writeparam(mac, stbid) == 0) ( T# _. x& O( q+ Y+ u. R: v
- printf("Parameters changed.\n");
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6 D& e q6 O! }- P- }9 j5 X! u- return 0; }2 @, z: t# K* u
- }
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