本帖最后由 0522 于 2012-3-21 23:04 编辑 ) J* _) G6 t: h0 w0 O4 z5 L
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修改的代码早有了。到今天不会编译。
* t5 H3 h% f; S, u/ _4 W# u需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> e2 K+ G( Y0 V \7 L
- #include <malloc.h>
+ @7 X$ ]" I4 c7 b G' g - #include <sys/types.h>
7 q! a& R; A. A, Q8 w - #include <sys/stat.h>
X: a6 v, P" f" U! v' s - #include <sys/ioctl.h>% E: c; [2 a$ P& E
- #include <stdio.h>2 G/ s. z$ O5 s$ Q3 x* H
- #include <string.h>& N3 N7 H+ z6 y7 r/ {7 x. h
9 u( f% `0 n/ V$ z$ N- typedef struct {
+ E9 ?5 u' Z: O0 Q# q p1 F - unsigned int e2prom_cmd_sub_addr;
( z7 V7 {! W$ h6 `& K - unsigned int sub_addr_count;# O1 P1 D/ x: c1 K$ ^
- unsigned char* e2prom_cmd_data;
0 m# x0 `- p& _- t2 `0 o$ ? - unsigned int data_count;
+ Y- I) R8 O0 O - } e2prom_s_cmd;" M2 k" H& a: f, e7 ~' E
+ N3 H: T9 k1 c- w/ l( Q- #define E2PROM_CMD_READ 1' ]; c* Q) f1 S# I
- #define E2PROM_CMD_WRITE 2
) p- s. Q( y& H0 E$ ` - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 p- ^) N7 ?7 T1 \5 ]: _5 V
- 3 o1 ]2 h0 f/ ^; L. B# F& R
- static int readparam(unsigned char *mac, unsigned char *stbid)
! t3 y2 b& w( R8 N6 P1 H _ - {
8 J; T3 v+ r! e& ~ - int fd, ret;
$ Y" S. Z# H8 I+ P3 v - e2prom_s_cmd arg;
* H# W: |3 A0 C0 t - unsigned char buf[0x18];
9 o3 ]# ], R6 ^ - 4 l+ Y- P8 }# ]
- fd = open(E2PROM_DEVICE, O_RDWR);- c/ K4 f( p' C: u
- if (fd < 0) {
. ?; ^% J' W% k' m - printf("Device %s open error.\n", E2PROM_DEVICE);
9 B5 d; ?8 ~8 f; Y( ] - return -1;4 q! W. x x2 n7 Q$ e1 Z
- }; {0 s$ ~8 h) g8 d/ u& x$ j) U
- arg.sub_addr_count = 2;
5 L1 K+ L' C2 G- H, @ - arg.data_count = 0x18;
7 f" Z4 c' t6 c9 ] - arg.e2prom_cmd_sub_addr = 0x290;' a: u9 i+ O/ Y* O8 v
- arg.e2prom_cmd_data = buf;
9 V1 D; ], ~8 D0 I: `" J - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ ?% |& s) t) Y
- if (ret != 0) {1 l6 S5 c0 E5 |# p3 z
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ y6 {9 p) x0 H1 Y% x9 \% s - return -1;9 B+ V4 J/ z* T, z* ?4 S
- }3 ?; q: \; p' g; F
- memcpy(mac, buf, 6);
% R. |, \ J4 S4 f2 `+ t [0 b- e( a - memcpy(stbid, &buf[6], 18);" g5 [8 }' }$ K
- stbid[18] = '\0';2 `# ^* ^9 U n- t
- $ s3 T- a5 M: p/ Q- v; a6 M
- return 0;
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+ R7 A5 g" D a" Q3 D- static int writeparam(unsigned char *mac, unsigned char *stbid)* g6 L& Q" D8 m9 a9 d
- {3 z. k# n, H% }& ~
- int fd, ret;
2 W4 |) b& [6 X* `6 u6 T" I - e2prom_s_cmd arg;# ?: o2 [2 t0 r4 h, b
- unsigned char buf[0x18];0 i/ d, h" s! Y
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- memcpy(buf, mac, 6);$ P% `' m3 l* p6 W% L6 s
- memcpy(&buf[6], stbid, 18);/ m9 \% V- t4 Y% }3 k: {* d
- fd = open(E2PROM_DEVICE, O_RDWR);
. _$ M- a& P# s! l - if (fd < 0) {
9 r% `6 a7 L+ }) O - printf("Device %s open error.\n", E2PROM_DEVICE);
, I* b% i3 ^ ^& ~" p! K7 l - return -1;) h' V0 I! r: R, m6 B& p
- }: E4 C) a, `2 Q! O X
- arg.sub_addr_count = 2;
1 \# W/ a; L* o0 ^9 ]8 h - arg.data_count = 0x18;
) I) p- @. J3 p5 ^4 W - arg.e2prom_cmd_sub_addr = 0x290;
: T) Y' ?3 J0 s' [# K) ^ - arg.e2prom_cmd_data = buf;* x7 E# m/ x, V2 [1 X) Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ q. a5 c2 o+ M: W. _5 P2 f7 e' C+ s - if (ret != 0) {
! r* N- c$ b9 Q7 M. V3 s! o& i - printf("Device %s write error.\n", E2PROM_DEVICE);
: v) q8 A0 t* a4 J$ p# ] - return -1;
+ t s ^% l5 C. @ - }6 S4 p1 X& ~; W# r/ a" h
5 r" I, d! y8 y+ [6 N% _+ @- return 0;% }, ?2 E! u3 {
- }- E$ P- d: r) b& _ n: i/ x) I l1 e: t
- ' M" T5 j7 Q7 a |$ ~) {
- int main()! H4 u; s, W" a$ ]' `4 s& S& A
- {3 E1 Z% {* x+ B: e5 M( v/ h
- char c;% j+ X/ L3 u* K, G9 k% u
- int i, macs[6];
8 L0 o, X* ?( w; Q - unsigned char mac[6];; R! x# b* D; c' Y: x1 x
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)9 u* Q4 g$ j$ e
- return 1;" L6 Y4 i" T0 U9 u% M4 f( E% i- s
$ v: C+ h1 h/ M; [- printf("Current parameters: \n");, M# R, ^8 J$ P' \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ f/ ^: G ~. x
- printf(" STBID: %s\n", stbid);
- w7 ?4 E. P/ ~/ @1 L/ x, w& K! V - 0 J) @2 I( D; i$ \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' [+ p5 X; e) t+ P# w" Z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: s! C: i4 Z( I. j
- printf("Input MAC error\n");
; {3 y3 G; {3 }* e) w% ~ - return 1;. c3 n6 h$ D& T0 p% q. u% K
- }4 j4 e! X! H6 A l& [4 k6 a
- for (i=0; i<6; i++)mac[i] = macs[i];# I* m7 H7 ?' ]; C. F/ f
- printf("\nPlease input new STBID: ");
3 B& T* i8 o+ X9 y: x: A4 Q4 U, w8 s - scanf("%s", stbid); d2 b% {1 s+ q2 ^
- if (strlen(stbid) != 18) {7 F k @. }5 G' @! k* f. L- Z, s( |
- printf("Invalid stbid\n");
# |& s# d2 l8 ~# |8 i1 p - return 1;
. u+ j! |" a t; q3 N, Z$ p - }
' i6 U/ o+ _9 J3 T+ J& c0 _ - printf("\nNew parameters: \n");
f: ]& Y' j+ q% j* v/ X3 S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 z6 {$ H# Z3 K& B8 n- Z* } - printf(" STBID: %s\n", stbid);
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( B( m, l# }4 j7 l3 G- printf("\nDo you want to change paramemters? (y/N) ");' o9 M8 W7 y R" r1 ~/ S
- for (;;) {* p# \* s, y: H8 i2 k7 p/ y
- c = getchar();
5 d8 ?) H1 z: P - if (c == 'y' || c == 'Y')
1 Y, p7 \) ~6 a0 @0 @ - break;
1 U/ Q7 f8 f( s0 w6 | - if (c == 'n' || c == 'N') {
" j5 h3 E7 Q i0 Y) V F. H - printf("\nAborted.\n");8 ~ v: `' y+ I* b; F4 P
- return 1;
+ k. \) Y- t- Y+ n1 n2 l; O& i! |2 o - }
$ W7 @3 _) W' X% O! D4 j; c% y! { - }: ~% u# c4 o! G! V
- if (writeparam(mac, stbid) == 0) 1 `. k- x& @! n9 v1 \- F
- printf("Parameters changed.\n");
8 B# b9 V$ D6 i' ?6 T9 `( q
8 F; n( h3 m0 ^; V; g: b2 O! j- return 0;" ]' }2 h1 T# M( X
- }
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