本帖最后由 0522 于 2012-3-21 23:04 编辑
" a% F( c( @" @% [! X& X. X- A" a; c( a) T. `
修改的代码早有了。到今天不会编译。
H! V7 |( U8 }8 p) h需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% `* e( x& X6 X4 x4 }, s2 m6 ?. Q5 @ d - #include <malloc.h>
- E' u- o. z& x' m - #include <sys/types.h>) u6 t; E9 U* M2 Y8 s
- #include <sys/stat.h>
2 w$ N& Z$ m8 K - #include <sys/ioctl.h>6 X8 A' F, m! \& ^4 c% b5 H% }1 Y+ [
- #include <stdio.h>7 n- Z9 U/ ]4 o; W* r
- #include <string.h>
( u; V( X. A# C - ( A2 R: E+ f: y7 W2 |% V
- typedef struct {
) r' y/ y* G+ M, z3 j - unsigned int e2prom_cmd_sub_addr;# V/ V% V+ T6 {7 ?2 J6 ~; h
- unsigned int sub_addr_count;
|! Y# R+ b4 M" x - unsigned char* e2prom_cmd_data;1 K' A0 h& r' w) n
- unsigned int data_count;2 A U0 @, {$ x% G" ~
- } e2prom_s_cmd;
% v2 d* \5 P/ ^- ` - ' |! _/ b. B6 n* s& x0 H* G" b0 y
- #define E2PROM_CMD_READ 1 J% g: m4 ?' W3 m
- #define E2PROM_CMD_WRITE 2
6 L( P4 E- c* c- K& ~' B - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 V; k5 l) F6 e
- # O/ e0 B$ O0 H c, i5 r
- static int readparam(unsigned char *mac, unsigned char *stbid)
* C1 P: A, \* r/ A' r' t - {
3 | O2 K1 q3 I- n - int fd, ret;
7 a+ Y1 K5 ]8 d0 z - e2prom_s_cmd arg;& C0 `! {/ o, ^4 T2 u7 Y" f1 _2 j( @
- unsigned char buf[0x18];: |$ X: j3 U( \& E
- & ~0 B8 O! r5 m4 }2 g3 }9 B' I4 T
- fd = open(E2PROM_DEVICE, O_RDWR);
3 j0 o9 h+ R. o1 g& t9 Z$ t5 x - if (fd < 0) {0 A+ i3 ~* ]" O* ]4 [
- printf("Device %s open error.\n", E2PROM_DEVICE);& }* J( ]6 [7 ~9 S
- return -1;3 _; c/ R/ W9 Z7 z$ @! r$ a! V
- }
( `: a' n' I! U$ K- V; x - arg.sub_addr_count = 2;" j$ D+ g+ e, s) x
- arg.data_count = 0x18;
' ?% F0 \; o+ R* {% C, ? - arg.e2prom_cmd_sub_addr = 0x290;5 b- d& s& @" k6 ]( z5 G( f
- arg.e2prom_cmd_data = buf;0 E0 J0 z h: D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
4 z% G' z- [ x( S/ _5 Z3 X0 w. g - if (ret != 0) {
+ U' k' q7 h# p; p4 K( Q% |# i% J - printf("Device %s read error.\n", E2PROM_DEVICE);
+ H0 V) N' x/ A% U - return -1;1 w, {5 ?) M! G% [1 f$ C0 E9 r4 Z
- }7 |1 v9 I8 h. p# Z
- memcpy(mac, buf, 6);" r$ A0 z& k1 K! h; n
- memcpy(stbid, &buf[6], 18);
! v% \8 [3 K' _$ p( l; M - stbid[18] = '\0';. R$ D& n6 @$ d" t/ \
8 o L( j* @7 A. j' ]- return 0;
% i. S2 N7 B) F4 M - }
3 @! V7 {7 I0 W7 B( x
9 y3 `. E$ |7 D- static int writeparam(unsigned char *mac, unsigned char *stbid)# x$ a+ }/ b8 U P
- {
+ V1 Y3 Y% j, X' j! B - int fd, ret;
% e1 i! e7 f3 V f3 r- D - e2prom_s_cmd arg;
$ w$ K% V: O, b; }; n; |# H - unsigned char buf[0x18];
6 L5 S& I$ ]$ Z j$ C% _
$ {" D& H: N+ k: U8 q0 `7 e- memcpy(buf, mac, 6);
" P2 k! Y: ]2 }& j, L- g - memcpy(&buf[6], stbid, 18);
( B) g, D' {5 ?. \# a - fd = open(E2PROM_DEVICE, O_RDWR);
- `4 A/ S* t5 P; d3 G - if (fd < 0) {( e2 k/ O0 m3 _5 P$ H# e
- printf("Device %s open error.\n", E2PROM_DEVICE);% r; E" B1 C6 W5 n; |0 L6 l
- return -1;8 e& [, f6 ^ y' D. H" A
- }
8 |, |( O/ }" ?! g8 J - arg.sub_addr_count = 2;) S( F) y# I. ] Q" c9 f0 J
- arg.data_count = 0x18;
8 n8 L# i/ Z( c3 X - arg.e2prom_cmd_sub_addr = 0x290;) v0 x, ?+ e& Z
- arg.e2prom_cmd_data = buf;
2 w9 q8 y v; U9 ~! K }9 N3 A - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);# y% C5 S+ t& F+ m) Q0 u( \
- if (ret != 0) {/ X9 |/ f9 S% {3 {9 h8 p
- printf("Device %s write error.\n", E2PROM_DEVICE);2 D! ~2 A3 M! G% @8 w
- return -1;% `6 N2 ^& y0 t$ S4 H
- }
9 _' E! A. e) X! a4 C x
1 p( M& w* v$ W) T" m* U% o9 V0 q- return 0;
2 k9 U& @: n. N f, L: N. t - }1 r2 x5 O8 b X& n. i- v* S' N/ }
! {' }+ f4 T7 {( f, g& C5 e5 ]- int main()2 k3 X# l8 ]% t- q& j5 o) d" D
- {/ Z) M% a, U( _7 J% Q; `
- char c;
2 C' h. e' u+ S. V* } - int i, macs[6];/ A7 G4 p; P3 a' e: y8 A0 s+ J$ L
- unsigned char mac[6];, x$ _; Z. P5 u8 z3 S
- unsigned char stbid[256];) X) E( _& z4 W. }; e
- / d7 @) l1 m7 x2 d* N
- if (readparam(mac, stbid) < 0)
% ?; J9 d, O9 K" d& G" { - return 1;
7 ^6 x' X% G* s7 y4 D- H3 A
7 c W: U. A6 u8 F6 C _, C, p- printf("Current parameters: \n");' t9 j& U. k2 J9 n( S4 r0 F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, Z& a& w, |2 C& ~0 A R9 H - printf(" STBID: %s\n", stbid);1 f' k% c% i8 b5 h' j
- , A- V- e. z4 z( ^& m( r' N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 i) Q6 R {2 g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" f/ q! m6 a9 n/ \2 Y2 V' i - printf("Input MAC error\n");
$ `% n, W; n/ ~- q4 h - return 1;
$ x" V, u _$ J: _7 `5 t. K6 \, k$ _ - }: c. @% _: \" ^9 ^2 ]4 q
- for (i=0; i<6; i++)mac[i] = macs[i];2 F: k6 V* x7 X8 k
- printf("\nPlease input new STBID: ");
+ n# C+ D* o$ Z7 g- v - scanf("%s", stbid); t9 M1 H0 I$ {2 v! A" w% W: _
- if (strlen(stbid) != 18) {6 }1 F3 ?4 O2 n+ P% H& i
- printf("Invalid stbid\n");. e3 b! y2 b0 @& |; @) u- O
- return 1;8 [0 S# n7 [7 J% F P/ h; x
- }
( r+ l9 ]3 @$ q; }! p# ?% p - printf("\nNew parameters: \n");
6 v6 D5 m1 k% ^9 w$ i: N+ o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 i) b& I r# S! ?+ Y- D
- printf(" STBID: %s\n", stbid);& K. ?# q0 l; f& E6 g- W
- 5 Q5 ]7 L% @7 Y% Y5 `
- printf("\nDo you want to change paramemters? (y/N) "); z0 v9 ]: C8 D7 ~! c
- for (;;) {
0 @3 Q9 z3 g. @' | U - c = getchar();
* n* j6 ?% Z* p0 h - if (c == 'y' || c == 'Y')% @' B8 n6 j1 F3 d( a3 T8 x
- break;
4 d5 Y2 w# u1 i; e) G% ?8 m - if (c == 'n' || c == 'N') {
( c, O0 R0 x. [0 s3 M4 Q* x - printf("\nAborted.\n");( C: t+ u) j) p2 s, u
- return 1;3 x" c1 ^+ Z9 L1 F s
- }
! k0 }, g+ \' ?: ~2 T - }- {0 v; A9 a0 v1 |1 y
- if (writeparam(mac, stbid) == 0)
- U& p+ c7 s4 j3 |" ~9 O. k1 b - printf("Parameters changed.\n");2 N' B. [. m7 v( `, Y5 d( X
! g+ O' F2 Q& d' k6 T- return 0;
) C. V2 C# Z! w& L9 _6 V- T - }
复制代码 |