本帖最后由 0522 于 2012-3-21 23:04 编辑 . B/ \' f- o+ B ?! ~0 ~4 T$ F
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修改的代码早有了。到今天不会编译。0 l% I; U0 u! \" K: p) r% C5 K; F
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 _* F" V; c7 E$ v- T/ u. Z) o - #include <malloc.h>
7 x8 E1 T+ \: x - #include <sys/types.h>
. N9 ~" W9 w4 m* x" |" J - #include <sys/stat.h>
/ Q1 |- z- n- O, D" b# D' \ - #include <sys/ioctl.h>
3 h. d% a5 {1 h/ n- C! V! W- U- K - #include <stdio.h>' F3 h- r, ]+ [/ g+ i3 o+ W
- #include <string.h>* d* w, ]; p8 z" _
1 ?) Z$ s% p7 t! v8 M1 D- typedef struct {
1 Q' u9 V+ {. P- V" N- k - unsigned int e2prom_cmd_sub_addr;4 i! p8 X( ?8 k" ~
- unsigned int sub_addr_count;8 r9 I8 ]4 G9 I+ f- S
- unsigned char* e2prom_cmd_data;
4 n9 E; `/ _; y8 Y5 y, }6 Q8 e. | - unsigned int data_count;
S E; U- g/ l( O! N( [# `# L+ v - } e2prom_s_cmd;; m) ?1 A# V+ R2 @2 R9 M
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- #define E2PROM_CMD_READ 1
$ @# B3 v4 z5 ?; y - #define E2PROM_CMD_WRITE 2
& {1 w+ M+ r: G$ J - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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. x% G; h4 o; z; n: K# A: k0 S- static int readparam(unsigned char *mac, unsigned char *stbid)+ ?4 K% V, D1 v7 [9 c
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- int fd, ret;
3 z/ E1 v& R# }% J - e2prom_s_cmd arg;
: h- G8 W8 [. b$ i - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);5 o/ Q2 i1 o6 w: [3 L
- if (fd < 0) {! O+ ^5 u! C5 _: E# Y
- printf("Device %s open error.\n", E2PROM_DEVICE);
( I: H: p7 `$ F0 I4 p3 h - return -1;
4 \5 V1 g0 z4 G: v: a - }
+ R6 F ]8 k f6 B - arg.sub_addr_count = 2;
) A2 E: m: E3 o+ r - arg.data_count = 0x18;: X0 x6 s$ A; C8 n$ c" O/ y
- arg.e2prom_cmd_sub_addr = 0x290;
6 B% I2 H p2 K - arg.e2prom_cmd_data = buf;- _. ]0 I; {, Z; Q0 p0 S6 H% }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 i7 s* _& `' M y; E6 W4 \" O3 c - if (ret != 0) {) C* [9 N. i' b8 {3 m2 }
- printf("Device %s read error.\n", E2PROM_DEVICE);4 |/ C( G- E; V+ U; F3 \+ B
- return -1;
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- memcpy(mac, buf, 6);
% h+ u; |8 a6 R+ b - memcpy(stbid, &buf[6], 18);
: @* O# w) u2 G* g& n - stbid[18] = '\0';
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6 b& F; g5 G2 a, q0 z: c2 M- return 0;
7 z' H2 p; F j - }
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+ S- Z3 u) B; J6 S* ~: ]5 F/ }- static int writeparam(unsigned char *mac, unsigned char *stbid): K8 o: H9 C9 I2 E
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- int fd, ret;( F5 x& \8 D; u6 f
- e2prom_s_cmd arg;0 I! R1 i, Z: n8 x
- unsigned char buf[0x18];. V" W' p# d6 z+ z3 U' l; H$ Q
# E/ ~( R& w, [1 k- U" R# b- memcpy(buf, mac, 6);, Q! q' ]; u+ I+ m3 N& {$ c0 F
- memcpy(&buf[6], stbid, 18);
4 m+ t" B9 e9 h - fd = open(E2PROM_DEVICE, O_RDWR);! ^4 ?7 A; i! R/ r1 ^
- if (fd < 0) {
6 k- `# v1 u x - printf("Device %s open error.\n", E2PROM_DEVICE);0 a) w# O) f% b. R6 G* o0 j
- return -1;
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- arg.sub_addr_count = 2;
0 n, o+ N9 {4 \! @. h: p1 E - arg.data_count = 0x18;
2 `, j! S0 d7 S6 D2 @ - arg.e2prom_cmd_sub_addr = 0x290;
7 {( B" c# H! x8 c O - arg.e2prom_cmd_data = buf;# ~: G8 S7 {; U8 G6 @
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% I5 \0 b* W3 W2 I& D - if (ret != 0) {
. `8 X) {4 c% a3 U$ U - printf("Device %s write error.\n", E2PROM_DEVICE);
7 y4 D6 m1 I. |' E - return -1;
8 S( a! m1 u. u) w( A8 j - }/ i4 B8 \+ Q. u" {
- 3 ^' ]% _- a; k) K
- return 0;
# f( B/ C0 [8 p9 `* p - }
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$ U' }7 |3 i2 c3 Z0 e; l- int main()+ G( R) u9 d d0 M/ y4 f+ G
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- char c;) ?2 \& C8 y* X3 K' E
- int i, macs[6];
7 g* N% [4 ]) E( y0 H1 G - unsigned char mac[6];
: U: x {3 E+ y* l - unsigned char stbid[256];3 Z3 w7 N$ G8 @+ S0 C
( l i) R, N$ A3 ?# y- if (readparam(mac, stbid) < 0)8 m- Z/ ?# @5 O
- return 1;
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- printf("Current parameters: \n");
O3 v+ x* L8 f+ v& w( ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, {4 L H3 @. A! c
- printf(" STBID: %s\n", stbid);
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0 h& J% K. x# @" D7 m9 g) q2 m- @9 X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* @0 v" Z3 \% G% `) O2 ? - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, @% M1 k' x* x0 X- k5 c - printf("Input MAC error\n");# Z4 Z; L1 |( g/ @
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];2 S$ t0 Z; W r3 W
- printf("\nPlease input new STBID: ");
* Y; B; P$ c9 r9 w. O - scanf("%s", stbid);
! g2 v& ?8 k2 r# h - if (strlen(stbid) != 18) {
) o" e5 }0 t' P$ b. c, C - printf("Invalid stbid\n");, V X6 e7 j4 |: W( s
- return 1;
# a0 @! r3 t: G& s2 g' U) _& a - }
2 [% _- J' L8 r2 V' l3 ~! W - printf("\nNew parameters: \n");
0 G8 l$ _" m5 f% g+ f- Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, v0 K+ s3 N5 @; K6 F - printf(" STBID: %s\n", stbid);0 V$ y$ b3 O- L
# i2 P5 Y* ?- s6 |- printf("\nDo you want to change paramemters? (y/N) ");( ]' P3 C, z3 @& D3 g
- for (;;) {4 E Y- U5 c u# c
- c = getchar();
: Z, W+ e+ I7 u( l% M. Q - if (c == 'y' || c == 'Y')
5 Q0 J, w1 N6 F - break;
" {4 g M1 O Q( J1 M! K - if (c == 'n' || c == 'N') {- b7 b% \- M6 f
- printf("\nAborted.\n");
, @/ c* C: m. W+ F2 m `* A, r - return 1;
, g( E1 I' K+ t - }
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- if (writeparam(mac, stbid) == 0) - L1 ~2 q! I: a' Q# X8 U
- printf("Parameters changed.\n");* g* L" ~, A7 }. D8 I
- + k4 e7 ?% z/ z5 H1 D
- return 0;3 Z* y: h: V; C: J( T5 k+ T; \& v
- }
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