本帖最后由 0522 于 2012-3-21 23:04 编辑
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5 q9 G! f+ e d7 `2 Q- }% j1 S修改的代码早有了。到今天不会编译。2 D& M/ _3 N' x1 [8 O1 ?& I
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ T5 {3 U; Y: t; x6 G7 i - #include <malloc.h>
2 T5 a9 a9 w+ j! v8 k - #include <sys/types.h>9 ]4 G2 C [6 a3 w
- #include <sys/stat.h>
9 V2 A2 |3 C/ H6 k% p' c - #include <sys/ioctl.h>( h0 n" ^; T* \3 U& G( \
- #include <stdio.h>. T+ }9 w( E' L# h
- #include <string.h>
+ w+ K, `# O$ \) W+ U6 s - 0 D% T6 Z; i/ w1 `' y7 ^; O( L
- typedef struct {
) a9 A" p, z! @: q' E1 ]2 x - unsigned int e2prom_cmd_sub_addr;# `. ^! J& X3 \) `* T# [1 r! W
- unsigned int sub_addr_count;0 H, i9 h: _7 D6 p+ G
- unsigned char* e2prom_cmd_data;
6 p3 x$ A% b* E. Y1 ?' h' D - unsigned int data_count; \ p/ M8 N! E4 j; E. P! l$ i% M" ~
- } e2prom_s_cmd;* V$ |- t( s9 W/ ~# g
3 U/ E3 z M! d0 g3 Y" \" e/ T- #define E2PROM_CMD_READ 1' b9 O; e9 N: W" S+ M
- #define E2PROM_CMD_WRITE 2
* Q* _% v1 K1 t9 B - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# S- g( E7 u, O
R i: N5 Z8 c7 \- static int readparam(unsigned char *mac, unsigned char *stbid)
2 O% _% R3 v1 A) i5 |8 U* I% v4 v - {
" v& T) n5 _$ V; Q, [ - int fd, ret;" `5 L. R. d4 ^ M3 D, d' ~
- e2prom_s_cmd arg;% A5 j& @- q; [: `2 @8 q6 t. C
- unsigned char buf[0x18];* [! |0 Q" j4 j; N9 i4 h. x
- - \* L# @& `, V4 @2 V
- fd = open(E2PROM_DEVICE, O_RDWR);2 k7 v' s7 B, q0 y+ ?$ I* H
- if (fd < 0) {
% g: ~/ H% ~1 g, i2 b# A- ~ - printf("Device %s open error.\n", E2PROM_DEVICE);
# s$ ?! u) }3 x - return -1;3 a* T! @: E) y7 X8 k
- }1 h Q, h; v! q3 A8 s
- arg.sub_addr_count = 2;
% t; V( p+ F3 J& Q - arg.data_count = 0x18;# K5 e+ c( e/ g( k4 ^ x1 r- s
- arg.e2prom_cmd_sub_addr = 0x290;
* J0 e( b! m" k' }: i - arg.e2prom_cmd_data = buf;7 ` ^' B1 Y4 }3 Z8 s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 \, ?. M1 @8 T) j" |6 v
- if (ret != 0) {
7 H( G# [+ a4 L1 o- f" D4 g8 s& @ - printf("Device %s read error.\n", E2PROM_DEVICE);( J4 e# Z q! B
- return -1;) s& F9 l: I1 J5 a4 `" X1 ~
- }% O& `' k& y& h6 I! j3 H
- memcpy(mac, buf, 6);
. P! {- x) H6 l - memcpy(stbid, &buf[6], 18);
" e) B3 y3 R# G1 }- R, m/ ?* S3 A - stbid[18] = '\0';
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* E: B' c* A' a9 H" B8 s& d, J- return 0;
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3 e# U3 y/ S, Q0 P1 j6 `- static int writeparam(unsigned char *mac, unsigned char *stbid)) G, ^- u- ]8 M$ E2 p
- {
_5 a6 j4 I: [ - int fd, ret;
5 E" ^9 B3 I: `7 U# i1 `2 | - e2prom_s_cmd arg;8 Q8 n# G8 `) J3 h+ {+ u
- unsigned char buf[0x18];4 J; Y$ G: f, u" V, j, `/ ` T
7 s! x4 j/ V6 W' K- memcpy(buf, mac, 6);) U. p" e' p% H" u! Z# {& S
- memcpy(&buf[6], stbid, 18);* `7 Z- G1 S, r. [
- fd = open(E2PROM_DEVICE, O_RDWR);
. y: x& T+ {" u# m2 V - if (fd < 0) {8 g9 ^0 a/ r, Q2 {4 d9 O
- printf("Device %s open error.\n", E2PROM_DEVICE);
0 e# G4 o7 y9 @+ q - return -1;9 G; V. p5 n. ?8 x6 s* I1 H( s5 {
- } n8 P- R( K6 x
- arg.sub_addr_count = 2;
9 A: ~" p) F; ^, Z7 p5 C6 t/ e - arg.data_count = 0x18;" S+ t* h1 X& ?8 c% O
- arg.e2prom_cmd_sub_addr = 0x290;0 r: @7 N* `' x, O, r7 j
- arg.e2prom_cmd_data = buf;
1 W. ?& \1 M: w! B& j2 B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) C4 U3 f" @1 g9 @& h - if (ret != 0) {# c( d/ p* a' ~2 I
- printf("Device %s write error.\n", E2PROM_DEVICE);) Y d3 g F- V
- return -1;- @! |2 F1 Y0 Q9 u5 c) K. S
- }* x( C1 U% n# N
- ' m0 ~) d" @6 N5 i
- return 0;
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- 8 k+ v! s% t8 Y6 s- W
- int main()
- d% B0 z/ _& Y7 K1 m - { m6 p1 I, ~4 E, Q4 B. r
- char c;( g0 F; W- c9 S9 R z
- int i, macs[6];
+ E1 ?, ]* \$ c; s1 o* Q6 z - unsigned char mac[6];) k6 d/ w @$ U" @; f
- unsigned char stbid[256];" a" k2 K4 v5 n4 {
& ~9 I& u) {, d3 B0 u# O- if (readparam(mac, stbid) < 0)
8 A r6 x) }9 k6 b% T } - return 1;1 {2 O3 h, ]# x) C' m9 q
) b; L. G& |6 v% |! B7 p: r- printf("Current parameters: \n"); V+ G7 X4 e/ M5 L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, v2 A+ S% @/ d" @1 R* g
- printf(" STBID: %s\n", stbid);
6 c' l' @" R( I5 K7 b S2 g -
- W( d! r3 t3 k; _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
; E0 E2 N' o0 N5 B* ? d( E; \ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, Y' |4 u+ {% F- w; v. h
- printf("Input MAC error\n");
; \- ?8 U' R8 _+ ]6 n; v - return 1;
S2 N+ \: a6 S2 u: x- F - }
) s0 ^3 r3 U' m - for (i=0; i<6; i++)mac[i] = macs[i];
! W& B3 P' W* v# R; ~$ V - printf("\nPlease input new STBID: ");
8 Q3 a- i9 }* B - scanf("%s", stbid);
" I% b% I$ i; t2 `7 |6 L2 F+ s2 ~: v! Z - if (strlen(stbid) != 18) {: ]* t' F; [9 i
- printf("Invalid stbid\n");
& Y: t0 x# W0 _& x. G7 \ - return 1;
% Q2 x9 x5 N* |" b: w( x - }/ H. d- ?: b3 H* Y( p
- printf("\nNew parameters: \n");
5 n5 Y! k' w2 e7 u; o& ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 i& ~1 A: t, l" Q0 s; L& T - printf(" STBID: %s\n", stbid);
! \1 l$ T8 i8 o! E) V
: ]7 Z0 x! _1 x6 n+ R. R; q9 D( ]- printf("\nDo you want to change paramemters? (y/N) ");8 K% G2 ?6 h2 f5 n: |
- for (;;) {( i/ G- h; I- x6 D- L
- c = getchar();
! z3 T; K+ |$ W t. P - if (c == 'y' || c == 'Y')
+ ]( N. w. c% k - break;
; y( q+ n& q8 k2 \/ X1 B3 P - if (c == 'n' || c == 'N') {: q% P4 G( H; n/ D+ r
- printf("\nAborted.\n");
% V$ i: ]* `# B2 ^$ a - return 1;
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- }% Q0 O( C, I/ p) A+ m8 y8 }1 N& n
- if (writeparam(mac, stbid) == 0)
+ N" P& e S% u+ R, l& r q - printf("Parameters changed.\n");. k. T6 ~ a d8 W8 @
- * n+ J {0 {; o8 r4 o" w
- return 0;
8 M; \% F- b0 K - }
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