本帖最后由 0522 于 2012-3-21 23:04 编辑
, J& G2 X$ A3 x3 J; v( |" V4 N; O h. h1 d' I! q& |
修改的代码早有了。到今天不会编译。
, X9 R& _% ?: c% I7 y) m7 p/ u需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) A; B, B |7 K! V7 x4 F2 S
- #include <malloc.h>
7 V1 `3 l: ?5 b! x: M) h - #include <sys/types.h>) m- l' r7 g- d# P- a' u1 H
- #include <sys/stat.h>. ^; E. E# V6 O2 q }+ q$ G% b. C
- #include <sys/ioctl.h>( q. U6 q* d8 w8 O; m
- #include <stdio.h>
6 X& R5 P+ N) ?4 L: w- h$ \9 _8 } - #include <string.h>9 O3 N( Z$ @: k$ u# o7 i; x
- 3 C: n) i! V" P! x: {0 `& ?
- typedef struct {/ ~6 M1 {/ r/ R- L4 S
- unsigned int e2prom_cmd_sub_addr;; y- z$ C& p; F3 V
- unsigned int sub_addr_count;/ {" L" o/ C+ v& c
- unsigned char* e2prom_cmd_data;
4 X6 X/ v& {5 \' M# E - unsigned int data_count;4 z. |% S$ k% e. n, s* n+ q! h
- } e2prom_s_cmd;; }; s& O% b8 M) P+ g
- . Y" {7 S) I% j& {) l9 z
- #define E2PROM_CMD_READ 1
( J2 m5 [( j1 A X2 i* ] - #define E2PROM_CMD_WRITE 24 p7 i* I- \' m6 l; @5 ~" s0 a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
6 n- V) S/ `5 k/ Z6 @7 `: R8 j7 N* s
% n9 i) C/ N3 Q+ e6 P0 |- static int readparam(unsigned char *mac, unsigned char *stbid)) B! O, B3 ^5 F" _& {
- {
" j1 C, O( H1 t& q - int fd, ret;
" L1 b0 ?( e8 q6 } W1 B - e2prom_s_cmd arg;
8 j: n9 j" b0 f; c) W) x3 p2 Y - unsigned char buf[0x18];& C1 Y; _8 F8 R6 R0 V1 G
- 4 q6 Q$ }) L4 F5 D$ Q. P0 h
- fd = open(E2PROM_DEVICE, O_RDWR);
7 Q: ^# q# \* ^9 A, e) {; P, m6 m - if (fd < 0) {. T( h; h2 t0 k2 m
- printf("Device %s open error.\n", E2PROM_DEVICE);# E- @+ H8 M2 y' i, ~4 k) F
- return -1;' W$ u) P# Y4 \3 T s
- }8 {6 }+ \: B5 X& C7 C5 k9 c2 r
- arg.sub_addr_count = 2;
/ u- L0 i. u- n1 b+ _6 c, r - arg.data_count = 0x18; V& [9 I1 L0 }- E+ H; ?% R! v
- arg.e2prom_cmd_sub_addr = 0x290;3 j( @* X+ Q+ l" P- H) @
- arg.e2prom_cmd_data = buf;
! X8 i9 R: b9 S* A L; p# p - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 o$ m; Q# F" q, H4 ^+ P - if (ret != 0) {7 w; e" B2 ?7 r' g/ i% _
- printf("Device %s read error.\n", E2PROM_DEVICE);$ w+ o8 H! g* f9 k% W. j& n
- return -1;
+ E; L# R" R, j' ]' D; K - }
, a/ ]0 n% {2 v6 D. q+ O" G$ x; a( n - memcpy(mac, buf, 6);
& B7 c- g6 O6 L9 n; G/ r - memcpy(stbid, &buf[6], 18);
`; o- {( ]! r9 K, | - stbid[18] = '\0';( [+ T. E& W* ^
3 @& F( f# \: }4 L+ x2 Z- return 0;8 k. i7 ?1 M# p! y" A, I
- }
. b: S6 u) Y& M6 S
* f* R2 c/ U0 I9 l" g! g- static int writeparam(unsigned char *mac, unsigned char *stbid): y: ~0 y1 K3 ?6 I7 S( U+ s
- {% O6 [/ q6 p9 T. O2 o
- int fd, ret;
f( l2 u: e' O) c - e2prom_s_cmd arg;
Z4 u/ U, {/ t - unsigned char buf[0x18];
5 c; F p* Y# l! M: E - & g& @( Q5 S& K+ e5 C
- memcpy(buf, mac, 6);
. a7 x' V1 r( s' {! Q* ^& m - memcpy(&buf[6], stbid, 18);
' n: ?- ~( r2 i - fd = open(E2PROM_DEVICE, O_RDWR);8 j$ b$ w4 ], N1 g1 V
- if (fd < 0) {
; A9 e# `: |2 ?. L# h' ~; T - printf("Device %s open error.\n", E2PROM_DEVICE);1 H6 E5 Z8 b) b4 p, D% ^
- return -1;
- \$ i6 ?2 w( `- J8 X$ ] - } T- L3 T: ?# a& V. ? P
- arg.sub_addr_count = 2;
9 z0 z' v7 l# H# y. c1 t - arg.data_count = 0x18;9 H' z' \: p$ v2 e
- arg.e2prom_cmd_sub_addr = 0x290;
7 d0 d$ a4 _% z - arg.e2prom_cmd_data = buf;
6 c: c; G0 j0 [8 E# b/ v - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. H2 T8 D+ K4 d, m2 n U
- if (ret != 0) {
9 q* t3 i1 t: S5 N& o - printf("Device %s write error.\n", E2PROM_DEVICE);& Y7 q% h8 s' E9 K* O" y
- return -1;
0 {3 J& I. U/ @3 F& U/ h - }
, C8 s% o9 N2 {2 c6 S& N% N - 1 D7 I" X: D$ k @, x E; a1 I* s
- return 0;0 V2 G3 l& \/ |! L p. M3 v
- }: m1 b9 [0 [' j- y5 S* O
- # M* T1 a* f% E& g, T
- int main()
" r0 e$ m1 q5 s. x8 L5 l - {1 z3 \. [0 w- l! A7 @' _( ?' y
- char c;
# ~, H9 @5 I( y - int i, macs[6];
$ R2 |6 ]8 z- h( z/ b& o1 P4 r& p - unsigned char mac[6];% S" p5 X. V; |4 k! D4 }
- unsigned char stbid[256];; H. d, u5 p6 m/ G. e4 O8 h2 p+ E
8 y' G3 z# D L+ ]4 Q) D' ^- if (readparam(mac, stbid) < 0) r7 |$ S: S" ?) r( \
- return 1;7 Q+ } [& ^) W
- , i4 x# J% Y, u5 T9 |5 w2 m
- printf("Current parameters: \n");
9 w# D% w2 @& I& e; \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 p, B- Z: B. k! O$ q) ]) O - printf(" STBID: %s\n", stbid);6 e/ u! S* J W) y: Q& m+ {
-
* ]% L! X3 f8 {9 _6 l; K - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" q# v- {4 ?, j
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 a$ p/ D# p) A$ g
- printf("Input MAC error\n");1 H& ?# U1 h% `; l9 o; l6 Z' W5 M/ b
- return 1;, G/ `8 s+ T4 Z' a' x' E
- }5 X$ W& _7 v& z, Y
- for (i=0; i<6; i++)mac[i] = macs[i];
2 K: p/ Z1 M% D4 b4 k: n9 I - printf("\nPlease input new STBID: ");' h" z2 |8 s6 }, E3 X* @
- scanf("%s", stbid);, P1 d+ B$ _6 f" b/ |
- if (strlen(stbid) != 18) {. h4 a& H. x& E* y
- printf("Invalid stbid\n");
; q( r6 C: P o+ Q0 g - return 1;$ H U% Z& L7 o8 o: ?# N1 W
- }
0 Z1 ^& W5 w- p; C: q: n - printf("\nNew parameters: \n");
. V: ^! x3 K0 M3 D+ o2 \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: s+ t5 E6 G, g; D: q L% \% G
- printf(" STBID: %s\n", stbid);, Z* ^( N* [3 N- ~* O
- 8 M6 h4 n4 `5 `6 t9 k( c
- printf("\nDo you want to change paramemters? (y/N) ");
0 ]2 n+ e5 n: Q2 l5 e) z - for (;;) {7 u9 F& w/ f: n+ ?: x8 a# \, p
- c = getchar();
! b: j! i' [8 o& G+ f4 H - if (c == 'y' || c == 'Y')
/ {5 e6 C) E Y9 B: t - break;8 |3 t4 N# y6 ]. J! s
- if (c == 'n' || c == 'N') {4 P$ w$ ?+ \- H# |; k3 q
- printf("\nAborted.\n");
4 f& }4 n. o4 o( C) w0 t% y - return 1;: m& H! X2 o9 a8 g3 w9 W
- }
' l% ^9 z9 j, Z9 A. P q - }
# \0 y( A0 s$ d7 V* k. m; C$ o: S3 D - if (writeparam(mac, stbid) == 0) / g6 a* u5 M9 A; o6 Z9 Y6 o: a
- printf("Parameters changed.\n");" ?1 {) I6 u. |# F) L' n& W2 a
- K \$ {' d% D. ^; ~6 ^2 r
- return 0;) V) z+ w8 W5 F- v( b
- }
复制代码 |