本帖最后由 0522 于 2012-3-21 23:04 编辑 u# z& n7 e" c8 N( Z2 D
- g8 y" q0 G& T7 G0 A5 L7 G修改的代码早有了。到今天不会编译。
- D5 b/ C4 y+ F- {7 V+ S需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 {. H5 { v1 g - #include <malloc.h>+ w3 X) j) n- q9 p2 p% @
- #include <sys/types.h>1 V8 ~/ r) ^9 X$ P* h9 e
- #include <sys/stat.h>
+ t) O1 L' r1 m4 j - #include <sys/ioctl.h>+ B; J" m" E# k2 A7 T9 C/ h, g9 M# ^6 Q
- #include <stdio.h>
0 |8 D. B) f7 D0 X6 @! B, ` - #include <string.h>/ B e2 S8 M5 Y+ I
- 0 r% w+ E! l N7 ]$ k
- typedef struct {
7 e$ @5 f+ |) u( N3 c - unsigned int e2prom_cmd_sub_addr;' V# X2 w( o+ o5 D" c; E: c/ F+ V" x
- unsigned int sub_addr_count;, n! \ b3 O, M) J$ e$ n% N1 u
- unsigned char* e2prom_cmd_data;
5 P J; O: Q% s b' ]! ?$ y - unsigned int data_count;
5 c; @! X7 ?/ h& [* K, @7 }7 ?7 Q1 Q6 o - } e2prom_s_cmd; V: f7 t* w$ i5 {! \- x; x
- ; c/ `: j5 I6 S& ]
- #define E2PROM_CMD_READ 1
2 e, O6 \4 {0 y/ f. R' c7 V4 H% ? - #define E2PROM_CMD_WRITE 2
; Q: v( o8 n2 X9 p! {; j8 Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
+ Z! l9 o' n/ t) u2 ]% C+ W: y - 5 ]! F2 c; [/ a$ M
- static int readparam(unsigned char *mac, unsigned char *stbid)6 }% R( Y: `* e+ o8 g
- {; Z6 S6 \3 f0 u7 ~' a
- int fd, ret;
4 t; X- B8 F" }% Z - e2prom_s_cmd arg;% q! W+ l3 f! {/ K# d/ s U( _
- unsigned char buf[0x18];
2 j* ]" M* B1 F7 I3 j- h4 o! `/ r' ?
4 w1 _7 u$ v# \( Z: o9 S0 y1 _ N4 }- fd = open(E2PROM_DEVICE, O_RDWR);
9 S- X- t9 {- T, Q1 p: s$ r7 y% k - if (fd < 0) {5 T, Y0 k% E3 Q1 U/ m: i9 K _
- printf("Device %s open error.\n", E2PROM_DEVICE);5 |; L1 ~6 _: S9 B
- return -1;- w/ |$ X% N0 |( L% _
- }
: ]; C8 |. ~4 K9 ~% e - arg.sub_addr_count = 2;
/ w5 f9 `5 k; D, r - arg.data_count = 0x18;4 c6 ^) ^3 w# p. g* X$ h! B+ n/ J/ x
- arg.e2prom_cmd_sub_addr = 0x290;; L- f2 [' K0 @2 {
- arg.e2prom_cmd_data = buf;
0 D0 k+ e9 Q, p# a9 v6 H: C" q. e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ z- O8 `* U1 N3 i1 h- V
- if (ret != 0) {
. V% U8 _# y- f% \ - printf("Device %s read error.\n", E2PROM_DEVICE);
2 W! U. e6 D/ G - return -1;( k. a$ w: ? l8 G# \8 I! ?
- }
6 j6 |" o0 L- `3 U. `1 L& L* D; E - memcpy(mac, buf, 6);3 n4 u- y+ _" A; H1 w; B; P
- memcpy(stbid, &buf[6], 18);
* y+ w/ u* U# f8 q( Q0 o - stbid[18] = '\0';
* R7 D/ a" e/ H& v2 ?6 f; x - / S$ a5 ?$ B; Q/ { T1 r
- return 0;$ k( b! ^6 ~6 f; j
- }9 j& h; j1 {. g$ D" Z* w" l
' n8 @3 x# R4 Q) j- static int writeparam(unsigned char *mac, unsigned char *stbid)
# A. i; Z1 |: x- x - {" x5 d' \- K# V, M# U
- int fd, ret;& f( `# @5 \: i/ G' A
- e2prom_s_cmd arg;
: \' y: K- \. t8 `+ \5 \" J8 W - unsigned char buf[0x18];
+ v% C- |9 a: z9 C& K6 u
, l. V* @# U! L3 v0 B: T- b$ L8 |- memcpy(buf, mac, 6);7 a* E# S, Y# y: P" Y
- memcpy(&buf[6], stbid, 18);
( H: u: z! Q: L - fd = open(E2PROM_DEVICE, O_RDWR);
* J/ k0 p3 u4 X+ Z; z - if (fd < 0) {
( f( Q/ y7 m0 E! I - printf("Device %s open error.\n", E2PROM_DEVICE);
, N' }# e+ F6 ^+ ? - return -1;% S5 s: g/ m/ H( e+ a& v6 b
- }
8 N5 p! ?9 H% ? L) L. U( j - arg.sub_addr_count = 2;( [" |$ ~ s/ n+ a& g
- arg.data_count = 0x18;1 x" J+ N0 {3 c
- arg.e2prom_cmd_sub_addr = 0x290;% u; d9 `& `, x; E; h
- arg.e2prom_cmd_data = buf;9 i4 d3 F" K/ L) y# U( K
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 N. s1 p7 \2 g) [
- if (ret != 0) {( k9 k5 O* a! ~: Y8 V
- printf("Device %s write error.\n", E2PROM_DEVICE);' N2 W7 P4 s) F. \: s. S" j
- return -1;& q, Z& U6 M+ _7 y) L/ H
- }
! H" ^- X( _' @: \7 T: a - ; o( w3 z- S: L1 z
- return 0;
+ p: d) J1 @7 j4 {; s) M1 D( p/ K" g - }
; y% ]1 g: X/ U5 t! B
4 {, B% x3 Q% G- int main()- Y+ K- l& Z1 j6 i+ B0 u$ d& \
- {% H$ P- f; q! t8 I9 t/ X8 X4 E
- char c;. x0 Q# ]$ l+ p* j8 x' ^6 p8 g' ^" \! ~
- int i, macs[6];
# T5 M3 r6 H1 W" |4 S g1 Q" b - unsigned char mac[6];7 y: _) L" T9 t7 O) h
- unsigned char stbid[256];8 I* B9 e) S4 A- b* i
9 {0 L6 x& r! _3 b+ C& Y3 W- if (readparam(mac, stbid) < 0)5 y2 o2 Y% `6 M9 r
- return 1;1 }" E. J3 @, @0 |0 L4 c5 n
- 8 W) v8 G+ }1 E
- printf("Current parameters: \n");" O X. S" U$ C1 R3 P0 w. |/ S. W0 R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! n% B& q: @4 l- I1 A
- printf(" STBID: %s\n", stbid);
- [1 @* Q) F( I x( | -
4 g6 p9 e# W. l: Z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 }2 d8 V, i% l1 g" M; I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {6 L7 V9 r+ _) e0 \! d- j
- printf("Input MAC error\n");( a; F' H% P& Q1 H2 W
- return 1;
6 Q( E% B6 S) B - }
0 {- M0 b1 V, Y, [6 |9 o - for (i=0; i<6; i++)mac[i] = macs[i];- ]. u6 n" P: U, x* J+ ]2 R! l9 Z
- printf("\nPlease input new STBID: ");
; o) L* J) l! f$ V& \5 g: x( e - scanf("%s", stbid);# R5 [" w, ` |- D
- if (strlen(stbid) != 18) {2 ]4 q9 i. A& k6 O% E
- printf("Invalid stbid\n");
& e/ W1 m& `/ {9 X7 t8 ^ - return 1;
6 {9 E! c5 o1 G" L7 L% [ - }' J. F- B* ]' V+ @! x2 h/ i
- printf("\nNew parameters: \n");
3 Z/ W9 P# ]" G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 q' X3 Y0 T7 ^8 d
- printf(" STBID: %s\n", stbid);
6 l/ J* K/ |" \! g& E
P' r2 s* W, ?9 A- printf("\nDo you want to change paramemters? (y/N) "); S# k' q! m9 \: } T+ x
- for (;;) {( y, I( ?- j: i4 d& E+ j4 u
- c = getchar();
* k2 [# a+ l. m: {! t( [ - if (c == 'y' || c == 'Y')) u) r5 x8 O, G" I& k7 v' q9 R+ i0 q5 G
- break;4 J9 V, Q/ F! A5 [0 O
- if (c == 'n' || c == 'N') {% G6 v7 W' P+ c1 q7 z8 o4 q
- printf("\nAborted.\n");, F& v2 n7 P6 t0 l) _0 a E9 E
- return 1;
: Y9 }# G! ^/ A- y4 d9 k- G3 h - }
( P6 Y) }) n9 I% Z' b* [ - }& U' c, r8 `$ K" g
- if (writeparam(mac, stbid) == 0)
6 G' Q" p4 @+ t" o Y5 \9 _3 X - printf("Parameters changed.\n");
2 S7 g) m% X" [
. \6 |" Y) T( q6 d- r- return 0;( A$ [% w+ f7 m
- }
复制代码 |