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。! u9 o& X) o1 W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 T$ n) X; v- N$ \6 ?8 J
- #include <malloc.h>
) L K, n0 g' |0 z - #include <sys/types.h>
2 `# a/ G/ [& m7 G( o - #include <sys/stat.h>) _& H1 U0 I6 Z, y# ?. n
- #include <sys/ioctl.h> [% I# [) b! u5 b5 m
- #include <stdio.h>5 _* d! w3 ^) u5 X+ b& o
- #include <string.h>& [. F7 a- u ~+ u! V
; e4 p2 d6 Y4 y4 u7 [6 g- typedef struct {
* V$ L5 W5 w, |2 B6 k8 s - unsigned int e2prom_cmd_sub_addr;6 g% V2 F$ ]0 p% e8 G/ e
- unsigned int sub_addr_count;
0 W& Q5 Y- b9 f. P - unsigned char* e2prom_cmd_data;
& L( A( F; w: x/ y0 n$ P - unsigned int data_count;
- {9 F m& [. K& o( f- {% H3 F4 v4 v - } e2prom_s_cmd;
2 F$ [: x. \; U) p8 a( e! p - ; I" b. L" Q2 q& r0 J9 j8 @
- #define E2PROM_CMD_READ 1
3 d7 G. r* J& M) f1 y$ x" D - #define E2PROM_CMD_WRITE 2( `3 {' G, i: @' [1 }7 K9 X5 o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
$ \$ g! k# a8 @, O5 D W; | - % D4 |8 i( Q( b; \. X D* _
- static int readparam(unsigned char *mac, unsigned char *stbid)7 v* e( w/ k8 N6 u5 F9 I) c' V
- {; C9 i2 j1 a) B" t
- int fd, ret;
! n% Y1 s* o( O - e2prom_s_cmd arg;9 t( f+ U' ^8 I
- unsigned char buf[0x18];/ C1 r2 u) S" q3 Y4 S$ J3 t! Q
9 P1 L' r5 s) H2 @. r- fd = open(E2PROM_DEVICE, O_RDWR);1 z& Y" ~4 m4 u2 I3 U
- if (fd < 0) {
( O" p7 h( a, ~3 a2 c - printf("Device %s open error.\n", E2PROM_DEVICE);) j, B: X" K1 A. O' t
- return -1;/ f5 \6 i: q) `" u6 P
- }
+ \% [; A8 \# |" O - arg.sub_addr_count = 2;
; m+ d+ S) [/ E# m% x, @% ^3 I9 I - arg.data_count = 0x18;
: ~# B2 W* f6 S2 T; J - arg.e2prom_cmd_sub_addr = 0x290;
2 H9 X1 R V; [; U( k# g - arg.e2prom_cmd_data = buf;
+ q3 j' I+ l( s( A1 f1 a - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 R: V) O9 \+ X& G" d) @: J - if (ret != 0) {
( I+ [/ L! a( u7 n' e3 J4 F0 A - printf("Device %s read error.\n", E2PROM_DEVICE);# ~3 L; S% ? \
- return -1;: @3 i' b; }" O8 I" o/ c4 ^& d1 r
- }
& v: E+ G7 P/ i$ d2 v" F& p) A" E) k - memcpy(mac, buf, 6);1 o, S9 f. e* m- Z1 w
- memcpy(stbid, &buf[6], 18);* y0 F% h" b" e4 p) p$ d
- stbid[18] = '\0';
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- return 0;2 [/ y1 E+ A+ W. d
- }4 C$ i8 O% h/ ~
$ t- U% r) K7 \. x& d" h) I- static int writeparam(unsigned char *mac, unsigned char *stbid)
& Q$ Q. o/ F8 Z& T( Q - {
3 ]7 Q' r- Z/ c" h+ Y* a$ u - int fd, ret;
, G# W" e3 ?4 L7 W* {6 T7 N$ U8 G2 a - e2prom_s_cmd arg;
/ l" r$ v, T# |) K8 y, x( T4 m- N - unsigned char buf[0x18];" J& }/ N3 j- `4 X- e4 s
9 M3 l% T6 y# }; m1 f7 s- memcpy(buf, mac, 6);
2 j1 D7 ?7 |' T - memcpy(&buf[6], stbid, 18);5 E7 j1 v9 S* t$ l/ _3 ^
- fd = open(E2PROM_DEVICE, O_RDWR);! O" X- J; V2 r2 W" l, |
- if (fd < 0) {
. E3 n" `! t: F& U. m$ {9 [ - printf("Device %s open error.\n", E2PROM_DEVICE);
0 B+ R2 E6 f4 j8 e0 U& M9 Z - return -1;
+ D* {5 Y) x; v3 x - }
3 B' q' u x& X - arg.sub_addr_count = 2;
: W/ k+ p& O* s+ F+ q - arg.data_count = 0x18;
6 @+ x' W/ i& C x, ?! j6 m - arg.e2prom_cmd_sub_addr = 0x290;
( r: k9 _ \# ]* Z4 _ - arg.e2prom_cmd_data = buf;
" q- }+ U" w- E" D8 |; H - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) ]( D- x- n H0 U2 S& e. X - if (ret != 0) {
/ B* \, t6 X9 E/ N" }0 [ - printf("Device %s write error.\n", E2PROM_DEVICE);
' U0 j* R! Q" t8 W - return -1;2 ]; V) ]/ Y1 y ^. ]
- }
7 |3 y5 a; y* s8 I( L6 O
k6 A @8 n8 {4 R8 P& C- return 0;0 i8 E8 h. s. r/ b$ s% |( q, j: D
- }& V# @7 k1 n8 n9 s7 s8 k* D
- % s" V$ u: C1 E3 K5 v
- int main()
+ z# z& d3 O) J/ F$ Q - {
' h* R9 R. L j0 o# @# R( H5 w- U. g - char c;
' B3 `% l- w; m3 b2 S" B' z - int i, macs[6];
! C) z6 f% F7 t$ I - unsigned char mac[6];) E" ~( c9 F3 r9 B
- unsigned char stbid[256];/ x# A, Y1 Y: S' w u& |
- + w, p% R0 P/ \* w: G4 L( @
- if (readparam(mac, stbid) < 0); r* i, Q5 l1 x$ f2 F
- return 1;/ i7 [ N- u) o, b1 G
- ) g/ `8 X/ y( v3 v( s
- printf("Current parameters: \n");
$ F9 \' `4 Z, @! G) N; ?$ d' U+ J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, ~4 T- e4 G9 D. x9 W - printf(" STBID: %s\n", stbid);
) u) O8 M$ T& `- P& b -
@7 t3 C' @( T E1 T - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ \6 L* J4 ~; A! j; A
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {% V& G: W5 o a: K+ C8 O
- printf("Input MAC error\n");
k& ]' K$ i: W( S0 Q) [ - return 1;
5 ?! `! u$ c8 h0 ?, O! s2 n, Q7 n - }
" x0 C4 K! T5 F6 R - for (i=0; i<6; i++)mac[i] = macs[i];6 `6 d6 S. E$ J0 d
- printf("\nPlease input new STBID: ");
- B2 C2 y1 Y3 t" t - scanf("%s", stbid);9 Y$ J8 X7 g% \' w: d
- if (strlen(stbid) != 18) {- S4 g, v* q; o/ Y$ |* z
- printf("Invalid stbid\n");
) I7 y9 }+ ^7 y5 v1 T9 L: D - return 1;
/ n8 x6 h5 ~; w- B0 R( B# G3 D - }
( R V! R. w2 y7 v) \; { - printf("\nNew parameters: \n");& J t" y8 z* r9 T% L: {1 u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" J; `, e1 d) E0 \$ C
- printf(" STBID: %s\n", stbid); x/ Q$ a) R! @* g, C
- 3 l1 l' d) v3 G- D1 h
- printf("\nDo you want to change paramemters? (y/N) ");( \( j1 `/ ]7 T5 Q* |( ~! e
- for (;;) {! b/ m& ~) N) e! _
- c = getchar();
2 @- x0 _4 s3 j) ^ - if (c == 'y' || c == 'Y')5 I3 \4 t% C* w* o& b2 O
- break;" L& f7 G5 s X- v8 E8 A
- if (c == 'n' || c == 'N') {
# x2 J( m D( u% T7 x9 } - printf("\nAborted.\n");
' X1 @" O; h! _4 c4 R: V: [6 a - return 1;
$ b& d6 j7 |0 @2 B' _; s - }
! i0 h( @9 d, M3 l+ w) L4 L0 f$ W9 X - }
' \/ K' k* f; s - if (writeparam(mac, stbid) == 0) 9 o0 a. C# Z! k3 w# E
- printf("Parameters changed.\n");
7 m/ [1 r/ F+ H8 o9 O - 9 T. j' B5 X) y: @) w: b' {
- return 0;# g8 m @# y2 B. G! q
- }
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