本帖最后由 0522 于 2012-3-21 23:04 编辑 , @9 }3 ^' }: ~# ]2 G
* i9 D6 @6 ?; W/ }4 s( H
修改的代码早有了。到今天不会编译。
* G9 V0 B$ e1 E4 ~8 {需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" m8 Q/ Q9 I" |( A; K$ U/ N
- #include <malloc.h>$ Z- t9 a) `/ j: f2 L( F r
- #include <sys/types.h>$ t, `. `, U( t* R! R3 t
- #include <sys/stat.h>
' Y- s' h1 t& t# l8 z( h - #include <sys/ioctl.h>
: s# C j3 a4 a& h9 G- c - #include <stdio.h>6 q! C1 K! _" L+ v9 ^
- #include <string.h>
% d0 |/ F% m4 ]4 m$ y
4 V3 N2 d* f5 a% |. k- typedef struct {+ O: `" P5 k1 x9 z4 f; c+ p
- unsigned int e2prom_cmd_sub_addr;: n# l3 t' |9 \; }# U' z
- unsigned int sub_addr_count;
, A5 S0 P/ L7 }, q - unsigned char* e2prom_cmd_data;
3 _. Z6 K$ _5 S2 i* a - unsigned int data_count;
( n+ q" V! A0 d! u+ O - } e2prom_s_cmd;2 }- f& x2 D' u! B1 F$ Z+ O
- t' v( {5 W& y( I- #define E2PROM_CMD_READ 1) s, t, A" w; l% v* Q
- #define E2PROM_CMD_WRITE 2
- _# W* C0 r1 F* W" i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
2 ?& w J3 l9 ?+ k2 ?* L - * w" N- e [, N4 {6 m
- static int readparam(unsigned char *mac, unsigned char *stbid)
8 _, Z W; [, K+ _0 t# C& T' L - {
% Y& J. L0 L# I: m* H; O - int fd, ret;5 i, h: x% Z8 c% Y4 C3 l( f/ j
- e2prom_s_cmd arg;
) d# a- d- r9 V9 u - unsigned char buf[0x18];
# Y0 i) V( L2 x, z$ X; ^
* X' Q/ K" D, Y, g' T- fd = open(E2PROM_DEVICE, O_RDWR); A+ r: v. s, u8 d! Y! g/ j3 M
- if (fd < 0) {
5 E( u8 ?0 J7 _' u$ \ - printf("Device %s open error.\n", E2PROM_DEVICE);* c0 L. n% s9 j7 w
- return -1;, n. A5 X5 n& z) r/ t" W
- }
$ }7 Q# {6 U: f - arg.sub_addr_count = 2;
8 W& s+ P7 B9 ~6 W6 J - arg.data_count = 0x18;
6 f" ~# z* e3 V+ L- K! g - arg.e2prom_cmd_sub_addr = 0x290;
, V$ v9 x9 B" N - arg.e2prom_cmd_data = buf;0 n, S7 ?/ w9 n
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 h# [- `: i T, |3 i5 t5 q
- if (ret != 0) {9 _7 ~; i. h8 x) O
- printf("Device %s read error.\n", E2PROM_DEVICE);
& ^8 X! k* Q" o4 y; U$ L - return -1;
: \( q) O5 Y5 Z! p/ Q - }7 s" N6 q8 R. J$ Q
- memcpy(mac, buf, 6);
2 i! C4 `/ o: F1 b+ d - memcpy(stbid, &buf[6], 18);/ `- h- }# N: T; `3 O, q
- stbid[18] = '\0';
4 C& ~) ?: |% l, B9 a' F - ; i/ G0 @. E$ _! B, A
- return 0;: m4 Q8 C/ O# o: i: F7 s
- }
" o+ r' G/ R! z- l/ ? - " f' @/ Q- R+ T- `
- static int writeparam(unsigned char *mac, unsigned char *stbid)7 Z1 Q4 I! z7 a0 x/ H9 F
- {+ E) M6 R5 h( a0 h; O: z
- int fd, ret;
9 o+ \2 n& t4 i" F - e2prom_s_cmd arg;
]- h. o* [) n P7 R/ m, m# ^ - unsigned char buf[0x18];
( T: Y7 m. T( ] - ! X4 ]) l" o& {, q" P0 ]) n; f
- memcpy(buf, mac, 6);# ^: j5 w6 R7 l- K t
- memcpy(&buf[6], stbid, 18);
/ h; l7 `7 F/ x: @1 l; ?* _' R* G; q - fd = open(E2PROM_DEVICE, O_RDWR);; W% j+ |! F$ w( _- i& |1 h" A
- if (fd < 0) {9 {. R! i4 C& y' @ V+ i: a
- printf("Device %s open error.\n", E2PROM_DEVICE);
, C3 o7 q) P G! o* n3 Q, N; A - return -1;) m' K/ i! F5 E1 ]
- }
: j) q7 Z4 ?3 ~5 P6 j( [* C - arg.sub_addr_count = 2;
7 e6 b( {/ _. v4 w3 J* g. L/ k - arg.data_count = 0x18;
+ i% p3 Q0 r( ?$ G* `: M! `. X - arg.e2prom_cmd_sub_addr = 0x290;
% y( f4 M, F6 k% j* k; p - arg.e2prom_cmd_data = buf;1 A: `* z9 K ]$ b" Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( B2 V* s4 J2 b& U { Y6 Q2 m
- if (ret != 0) {
$ S1 }* D5 [2 p: t, I2 N2 ?/ ^ - printf("Device %s write error.\n", E2PROM_DEVICE);6 w, z. K; U0 V! O9 W$ ?9 B& ]
- return -1;
" X, I- t0 Y) q# S$ r - }
8 D* J! g- w" C - ; `* `) M& b- X
- return 0;; u$ d$ b- ~' `) F
- }- i5 o& i: |$ ?: K
- / M% C( x/ i% p& `
- int main()0 C n2 ~. t. R( a0 ~+ m$ |# N
- {1 u& n$ ^6 p% `
- char c;
+ D8 c+ w* X/ D7 D+ w - int i, macs[6];
. a! ]5 s) x1 ?! h - unsigned char mac[6];/ r) h" w- F/ {
- unsigned char stbid[256];4 F4 p# ^6 K$ P% a: Z: t- }
- 5 U6 @1 r; ^- w& J$ g, i
- if (readparam(mac, stbid) < 0)
' {4 c' K1 K3 v - return 1;
. }3 t. z& l( o - : p7 n$ j, D* y; a! F. [
- printf("Current parameters: \n");) L% ]; E2 }" C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 y5 l8 T7 s7 o3 S0 [* C, m. C7 j( p - printf(" STBID: %s\n", stbid);* }' I; F) v4 X4 d
- ' F2 ^8 O* s. I3 [# I
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( H8 L ~' V3 R D - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 W' z9 f$ u( c3 q
- printf("Input MAC error\n");
0 z6 t( D9 O; I: Q/ h - return 1;3 ]- w; t" h9 F
- }
, M1 r1 s! G8 C8 C/ r9 T - for (i=0; i<6; i++)mac[i] = macs[i];: v; w( p; a8 y r* M* i0 g
- printf("\nPlease input new STBID: ");
; @& Q: s ~; }: ? - scanf("%s", stbid);) o' ]) Y8 K2 y$ ?- U& n
- if (strlen(stbid) != 18) {, }! W0 E( O1 L0 t
- printf("Invalid stbid\n");
! b- I. B. [5 c7 R0 F - return 1;1 {: B/ M" B1 U, S+ Y
- }
4 B3 J! r& E" g4 N) R - printf("\nNew parameters: \n");
: F* X) a! P: S+ ~; z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ B" j! V! k A/ E
- printf(" STBID: %s\n", stbid);
0 C( e# ~5 P5 @$ b8 N
& V) S/ S" W9 ~/ y( S- printf("\nDo you want to change paramemters? (y/N) ");
, b/ w6 i! W& l+ d0 W+ w' ~ - for (;;) {
& X/ {6 Z$ s7 A% _/ N$ t - c = getchar();, e* q% T, g2 D) w4 N2 U
- if (c == 'y' || c == 'Y')
: l7 \& ?. A6 S. q& b - break;
5 D" E1 v8 n- h: S6 Q. B1 U2 A: c' K - if (c == 'n' || c == 'N') {" Q+ B5 a2 F- z" o1 f7 m$ H
- printf("\nAborted.\n");+ a Z5 S4 R$ z
- return 1;
i6 s( U4 F' c8 E" z) j$ T. f - }6 q9 |0 m9 G8 U
- }
4 c0 ]/ S2 E- c - if (writeparam(mac, stbid) == 0) 9 R$ O% C8 A- ]& v
- printf("Parameters changed.\n");) z, n6 o s3 j; e- [3 n
8 C2 s/ F' q. [- return 0;
1 h( O& ]5 U0 O/ m4 R1 N1 F - }
复制代码 |