本帖最后由 0522 于 2012-3-21 23:04 编辑 5 E, ~) w9 K! w5 b: n% E
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修改的代码早有了。到今天不会编译。# V9 X) ^2 y- k- U0 b
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( |- w6 m+ y( ~* w3 j& r+ j
- #include <malloc.h>
7 w/ e& g; V! u3 t: b( a6 \% A - #include <sys/types.h> `0 w* i+ B. n
- #include <sys/stat.h>
! h @+ \% x# k- B3 P - #include <sys/ioctl.h>, [* X7 V8 v8 t& y4 }
- #include <stdio.h>0 J; q0 f6 W! u6 b; y9 ~" m
- #include <string.h>- y( Q3 E5 O/ P
- % t+ p t4 }7 ~, {# e7 R. k
- typedef struct {
+ J: L$ F* z6 s& y R2 a8 L - unsigned int e2prom_cmd_sub_addr;
. X8 \; b- b! f0 o# D - unsigned int sub_addr_count;! c1 l4 s, }2 U8 |& B3 i. b" H
- unsigned char* e2prom_cmd_data;/ i$ {6 T N! p- S+ n% v
- unsigned int data_count;
( J( d1 j/ q9 I. i - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
+ |' q! M& ^/ Z% K Z5 i! { - #define E2PROM_CMD_WRITE 26 V9 Q/ V, l& }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
7 m0 n4 u; R' d% e; x$ x
5 K- U4 Y- Y' B a" D- static int readparam(unsigned char *mac, unsigned char *stbid)5 Z# J4 b% o) j( \8 K2 S5 p7 ?) j' n9 j
- {
. U3 J1 H/ c: r - int fd, ret;* b' v: j/ b& V, V/ J
- e2prom_s_cmd arg;
9 j. [% g" P; r3 X! J, w# d - unsigned char buf[0x18];- K$ K3 j/ \1 _) {9 x- d9 {: m" W* e
- 0 _, p1 t# {( W: |
- fd = open(E2PROM_DEVICE, O_RDWR);/ K4 G/ m! n) E: [; R1 m% T# V$ n
- if (fd < 0) {
2 Q# X) S; v3 z0 G2 O - printf("Device %s open error.\n", E2PROM_DEVICE);
( k* i x4 d2 R' F2 j - return -1;$ T. w9 x9 Q% G- Z% w
- }# T; p3 q7 x0 |2 S& G/ e
- arg.sub_addr_count = 2;
% e2 j% m. P w, Q. L - arg.data_count = 0x18;
# V- Y) Z& F, p5 w2 m5 L - arg.e2prom_cmd_sub_addr = 0x290;9 d' T$ I$ K; ?$ w, f" o7 F
- arg.e2prom_cmd_data = buf;4 k, a+ U: U9 r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ ^( v: |) x' `' |" S - if (ret != 0) {/ I) N& E8 H) Q# L- [# P7 _& Z) S
- printf("Device %s read error.\n", E2PROM_DEVICE);
. F; n5 a6 y7 L& D- r( G - return -1;3 p% [" B' r6 }1 A# s
- }/ x3 x# G& Y' Y& J6 t
- memcpy(mac, buf, 6);
* m1 G: _2 _% i( }- I6 r, b - memcpy(stbid, &buf[6], 18);
5 Q$ V8 Q& @: X - stbid[18] = '\0';- i, f; w3 d% ] D
- 5 [& l, V, @" c! \9 |8 C# T# V$ `+ x
- return 0;
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0 J( \$ u, @8 K) i# S5 o- static int writeparam(unsigned char *mac, unsigned char *stbid)
# F- u F0 \7 @0 v% x: | - {
5 ]& X$ w2 X! O - int fd, ret;
4 q0 G* Y0 Y/ D* m3 p - e2prom_s_cmd arg;
4 Z& j N& F9 B - unsigned char buf[0x18];
% ~4 d- Y# S6 {; r# g - $ X2 I! x5 c. T; L
- memcpy(buf, mac, 6);
% G. I- ^2 `8 W% \5 @# z# o, C - memcpy(&buf[6], stbid, 18);
9 A" G! c8 W8 K1 o0 g# w2 @4 p0 d - fd = open(E2PROM_DEVICE, O_RDWR);
0 `% y1 ~* Y( ~, C - if (fd < 0) {
) h7 I! L9 ~0 V Q5 G! J, e - printf("Device %s open error.\n", E2PROM_DEVICE);
5 j/ ~7 P3 n2 k! T2 s, U: F - return -1;
6 o" I& r9 P8 J8 v - }
2 C+ u8 s* a' ?! w - arg.sub_addr_count = 2;
5 c2 k" L! k6 q* T$ k - arg.data_count = 0x18;
" i; M! z0 e, k - arg.e2prom_cmd_sub_addr = 0x290;
/ q) q( F0 R' Q& m* E - arg.e2prom_cmd_data = buf;9 y7 F, u( X1 \0 w! y7 U5 t0 c: W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 C" ]$ c9 T$ r( \ - if (ret != 0) {) D$ D# i ^9 k% z+ W$ e, f
- printf("Device %s write error.\n", E2PROM_DEVICE);
8 ]( i5 y- O$ x' x: ^( x - return -1;9 X4 r% J" t9 w0 w' }
- }
8 ?$ Z6 l6 m0 ~ - ) A- V4 \7 U: S1 K/ g9 ]
- return 0;; [$ h1 ?* v2 F7 a; w% q
- } }& [4 d0 y" n. o: t" {
5 ~% r: M: {) q3 Q+ D- n- int main()
: n" u5 |5 f; U3 Z# C( h - {
4 X5 Y: V3 D* M" E- v* B# w# \ - char c;" K8 k. s# v# a/ m2 O
- int i, macs[6];' `9 L2 J' \ z
- unsigned char mac[6];& W7 D% t6 |1 d! m$ X6 s6 m
- unsigned char stbid[256];
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) L7 Z4 O& v6 L) j, Z- if (readparam(mac, stbid) < 0)
4 I, ^$ Q) g4 x4 M$ D - return 1;
& M" t" ^ g0 o$ \+ d - + V. a# ?) C9 O4 ~! ?
- printf("Current parameters: \n");
9 f F7 M- V6 h6 x) a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# d! ~. G9 F4 L. w. E - printf(" STBID: %s\n", stbid);
9 g4 t+ N5 ^2 N5 h1 w( J -
& y* S; L' s8 u/ I) L3 N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 Z I9 v2 t; M* W \
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ D3 \2 {8 y: y$ h4 G; {
- printf("Input MAC error\n");
; ?* P3 P8 A- p0 d. K. ~& V - return 1;
l- } Q2 H) H' f/ f' k# k+ ^ - }
1 g* c- b8 U! {4 v - for (i=0; i<6; i++)mac[i] = macs[i];% O% ]/ C* {4 m1 r7 _! Q2 r
- printf("\nPlease input new STBID: ");
+ M* T; m3 @ ~% Q1 C - scanf("%s", stbid);* D& p7 X* K0 i: y C: S4 [. n& r
- if (strlen(stbid) != 18) {
# ], W: \" ]# @$ u. \! {2 B4 H0 T - printf("Invalid stbid\n");( s; ^8 [# s' Z' i6 {0 `) h1 V
- return 1;* B' I6 _9 y( ?% l
- }
8 N) g1 I2 t) Y2 Z5 m3 i d - printf("\nNew parameters: \n");4 X. e9 K( c% F# |; T+ d( d* y/ ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 D: p$ p1 ~# y+ E" u7 r( p: i - printf(" STBID: %s\n", stbid);. u- t$ M: l* }8 N
- * F$ q: I6 h! _
- printf("\nDo you want to change paramemters? (y/N) ");) U6 I* W( ~9 A w) {% M
- for (;;) {7 |9 B6 p0 g/ C- d5 D, t
- c = getchar();
& u* K( h: m) q! l Z+ ` - if (c == 'y' || c == 'Y')# `/ k% Z: z& ~# s
- break;
4 `/ K; k* w/ ~; f - if (c == 'n' || c == 'N') {- i6 r! _) o- b3 L$ d- Q- ]
- printf("\nAborted.\n");
7 L% k$ j3 V- N) H! B. G - return 1;6 L9 n, e Q! \% K5 H
- } I# G9 H6 g }: W% f) H5 M: F/ B
- }- p T- C; p6 U# x' t4 b% R
- if (writeparam(mac, stbid) == 0) . ?, [# \. U$ k& Y3 E) E- v0 e
- printf("Parameters changed.\n");2 F* j' ~3 q# e5 t0 A/ g5 C5 p# p: \
- ' N( h7 \: v& V0 g4 D& A
- return 0;$ @: m& t3 n& H( y t ]4 m
- }
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