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。
7 f* S2 k5 ?' p需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, c4 O/ q; x1 o8 A
- #include <malloc.h>/ o( {. K+ W4 z1 I5 [ X
- #include <sys/types.h>9 t# N, h o. h0 O) s$ {
- #include <sys/stat.h>: O7 {1 V* K f5 ]
- #include <sys/ioctl.h>8 m, K) X5 I2 n& f* ~. R
- #include <stdio.h>- L( j9 s: G/ S2 p. h
- #include <string.h>
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- typedef struct {
/ b! G) ]: ~1 k0 S# ~" ] - unsigned int e2prom_cmd_sub_addr;
5 d9 I$ m& ^3 x+ W( O - unsigned int sub_addr_count;
3 ~% H3 f! }2 Y9 q2 ^) E7 b - unsigned char* e2prom_cmd_data;
$ c8 z( O$ C' M - unsigned int data_count;
6 R0 C6 P/ I$ y0 n9 v* c' J - } e2prom_s_cmd;
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. |$ V3 O- o' e2 N0 G0 S' L2 I- #define E2PROM_CMD_READ 1
$ k4 h7 x9 d6 ^- c4 }1 X - #define E2PROM_CMD_WRITE 28 O) F1 G" q1 a4 m7 c6 \; F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 m2 E6 Z4 W% y. B' r2 X
; n% d% O6 q5 c: h" }3 Z9 I- static int readparam(unsigned char *mac, unsigned char *stbid)2 E5 X U5 b# P7 l5 U
- {( C' W" ^% _3 ?' ]4 ~+ k
- int fd, ret;" {5 |: T* T# t4 G
- e2prom_s_cmd arg;4 R9 m6 F( G% A# z, O/ W9 l
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);) {. v) U( ~% z. }2 u
- if (fd < 0) {/ x5 B! @* h) \$ @) H
- printf("Device %s open error.\n", E2PROM_DEVICE);1 `2 v0 x5 G; ^ P
- return -1;2 z( C% s# D8 a1 f
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- arg.sub_addr_count = 2;- i7 W- |9 Z$ C- p
- arg.data_count = 0x18;
9 r' y: h) b' B7 E' X - arg.e2prom_cmd_sub_addr = 0x290;( W2 c7 b. J2 @$ z
- arg.e2prom_cmd_data = buf;3 D/ O8 _4 C1 o; N! z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 Q0 z, e5 ^# q. _: R# f
- if (ret != 0) {% T0 ]+ E$ [) f0 |
- printf("Device %s read error.\n", E2PROM_DEVICE);
' v; Q7 m: J& A* y2 s - return -1;
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8 `3 g2 r x& e2 t3 Y$ Z! Q - memcpy(mac, buf, 6);+ h1 H X' z- y2 v0 J9 U( `8 l
- memcpy(stbid, &buf[6], 18);& J4 k4 i4 x, q; v1 _
- stbid[18] = '\0';
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- return 0;
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3 i# }/ q$ @. W7 e4 W# u- static int writeparam(unsigned char *mac, unsigned char *stbid)9 f) c* `4 ~7 S: w) T. D! i3 q8 I
- {% o% q- c1 {& p0 h. o% Q0 j' z0 H
- int fd, ret;2 h1 l" I& n' d; f1 i
- e2prom_s_cmd arg;
2 s2 t! R: U ]7 A5 Y2 O - unsigned char buf[0x18];. ^: J* r& b2 o
G( _9 @7 j p) V$ q- memcpy(buf, mac, 6);# Q( O2 L* H/ \* R- E4 c. }; ?: K
- memcpy(&buf[6], stbid, 18);
3 ?3 b4 ^$ {! ^. X1 c' L, B" Y - fd = open(E2PROM_DEVICE, O_RDWR);+ N$ M7 V( z3 y2 [
- if (fd < 0) {: p8 m8 c4 G* J5 T% h) r2 h
- printf("Device %s open error.\n", E2PROM_DEVICE);
& l; C8 \+ [2 V3 g - return -1;
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' i6 Z1 q+ {5 e9 P - arg.sub_addr_count = 2;4 I! r7 l: H* M( J1 H) o+ |' [; v8 H
- arg.data_count = 0x18;
% w" G& c( d: t b/ v/ L( H$ u; `+ E - arg.e2prom_cmd_sub_addr = 0x290;
: a V& c" L+ U! h2 A7 z. ~% \3 p2 E - arg.e2prom_cmd_data = buf;" A! t. d; ~# j$ g6 M( m3 k7 [7 w
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: s/ B: H9 Y, s. Q* U& R/ v, G
- if (ret != 0) {
0 A) d# p+ k$ @& T3 W& s; `$ B - printf("Device %s write error.\n", E2PROM_DEVICE);1 z$ f: j) Z( \" V/ @, O
- return -1;
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- return 0;0 Y2 R! D( j- L2 v S( x
- }
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+ a; G2 Z6 x8 L" @& W) K2 l- int main()
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- char c;
3 A: [! R+ W$ |. ?0 k7 _8 B - int i, macs[6];0 H% S$ r9 K3 v
- unsigned char mac[6];& ]& o5 f% \% V& }. {& K
- unsigned char stbid[256];
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5 H6 ]+ @; E* q: O- if (readparam(mac, stbid) < 0)& `0 Q# n& |+ v& [* R( e8 g, a% L
- return 1;
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5 E( u8 |. P4 S2 W5 w$ U$ ]4 z- printf("Current parameters: \n");
. F! l/ G5 h4 x. a F. C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: m0 ^3 t1 N5 g6 U0 _
- printf(" STBID: %s\n", stbid);2 [4 R* v- N8 d$ M7 H' h: m: @3 K
- 3 U+ P( \; |% P) ^7 J+ \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 _# h1 |! M" m+ ?) W$ ^ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 L4 U0 C1 E6 Y% H4 Q - printf("Input MAC error\n");
# Q, V8 h6 l/ y+ _ - return 1;
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0 k: }( @& ^* o3 v7 z - for (i=0; i<6; i++)mac[i] = macs[i];. B7 x- \- i% I k2 E
- printf("\nPlease input new STBID: ");. w9 Z# l5 a: s3 T9 P2 R
- scanf("%s", stbid);4 t: `- ]" ^) i) h9 e+ C+ d3 l' O
- if (strlen(stbid) != 18) {; l7 y& h* V5 z5 n3 D0 J$ }" I
- printf("Invalid stbid\n");* n4 e& {! M" J* z) N# b, X
- return 1;
- v/ [! _+ K* a7 @ O - }
4 l& |8 |; J" X - printf("\nNew parameters: \n");& A5 S* P. |0 m$ l5 n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ o6 |: K0 D, ~! w: Z: v - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");3 f* m/ s- S9 C9 J k0 ~) q
- for (;;) {5 t# c, A9 p' P) k9 u& J- M
- c = getchar();- A$ K; B; g, L# y* s. L8 y$ j
- if (c == 'y' || c == 'Y')2 m% w& T( ~, g. i
- break;
n. I' T" I. M( C+ ^ - if (c == 'n' || c == 'N') {1 J1 T/ f, g( ~2 q; ~% \
- printf("\nAborted.\n");
( w! \( G1 Y2 X% f! K( y - return 1;
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- if (writeparam(mac, stbid) == 0)
" w) f( J: f9 k - printf("Parameters changed.\n");
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2 ^1 E& i: A& Z9 c ?6 x- return 0;! ~7 Z+ K& o5 ^3 ]/ F( G
- }
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