本帖最后由 0522 于 2012-3-21 23:04 编辑
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5 i& g% K$ n, n5 G修改的代码早有了。到今天不会编译。
3 ^; l2 ?% ?4 n) L" l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h> g9 w, c5 _3 b1 t
- #include <malloc.h>$ Z/ Z+ _6 E% H* ]( t9 ?
- #include <sys/types.h>
. t2 J9 V" m( J& f& T5 Q" y - #include <sys/stat.h>4 l% s4 R+ _7 f' K' B3 `
- #include <sys/ioctl.h>: P6 O( m/ Q8 x" n; i
- #include <stdio.h>
0 K7 Y) |' P4 a+ t2 G' t - #include <string.h>2 Y' E2 F1 _5 V$ U
@8 Y; G/ o' p4 D; P1 u- typedef struct {4 \% i/ g, }. N4 n, I
- unsigned int e2prom_cmd_sub_addr;
- b. C: D7 C/ R. `7 i% h - unsigned int sub_addr_count;
, X) H' G- S, X) y3 Z) ]. c - unsigned char* e2prom_cmd_data;1 G7 L( }/ r+ `4 m+ Q& V& M
- unsigned int data_count;! g% {! q$ @0 n& O% n
- } e2prom_s_cmd;
0 P( O8 P& j" ~! `* | - & n' L h6 ]0 Z Q, y2 d2 [
- #define E2PROM_CMD_READ 1
" }, A" C( X5 X1 l- R/ J - #define E2PROM_CMD_WRITE 20 ?% J$ m2 N9 m; L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% @% T- v3 b, O q2 O6 b9 I# P
# C+ D4 q" I. P) c0 y) P# X, l- static int readparam(unsigned char *mac, unsigned char *stbid)
4 V: F' b( I4 n. _4 f - {0 k1 \: q; q! W" ?% o# }( e9 X
- int fd, ret;1 Y$ E7 r: u! Q7 O: k
- e2prom_s_cmd arg;: ~' J! f; y6 s! J+ [
- unsigned char buf[0x18];" V. N( _1 V$ Z! j. g' h
- 6 Z, r" @' N( y2 \2 w
- fd = open(E2PROM_DEVICE, O_RDWR);
0 `6 q% ^. w$ N: H$ O/ D; A8 [" m - if (fd < 0) {
9 q# ~8 c+ \9 h/ t. G - printf("Device %s open error.\n", E2PROM_DEVICE);
. v. K9 ?; W/ ~( L7 ^ - return -1;
# Y" x a! d8 t$ W8 C8 G7 `# Q# _ - }
# ~2 a; Y3 ~ \* |8 p8 g - arg.sub_addr_count = 2;
* V B* U, c0 e - arg.data_count = 0x18;5 {% R: y$ k, T5 E' d. V U. K0 V
- arg.e2prom_cmd_sub_addr = 0x290;0 ~& h$ p% D! s( S" \
- arg.e2prom_cmd_data = buf;; \; H3 @1 U/ n* b6 N1 T
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);# N4 h( R* K+ c- }+ v0 {
- if (ret != 0) {
2 {2 }$ k! c/ C9 M5 R - printf("Device %s read error.\n", E2PROM_DEVICE);
3 _( ], |/ v* B* K; L - return -1;
; D+ @* @) _) f - }
+ v' G9 I+ Z' p) v - memcpy(mac, buf, 6);: v' d8 E% O% C
- memcpy(stbid, &buf[6], 18);
0 K+ {/ ]; {0 Q% V2 o - stbid[18] = '\0';1 m" j4 N6 J* H% y
6 E! G- a) u4 t7 Q$ \# }" q. L- return 0;( ~" A2 f6 S1 ?( y f Q
- }
) w7 s, b& G) m2 l" \: K6 j- t - : V$ _% i: v5 O- a
- static int writeparam(unsigned char *mac, unsigned char *stbid)1 w% n: |. ]" P1 S8 |+ h& U
- {- z0 m! n6 \) ]$ J& a
- int fd, ret;
* E$ n1 O3 x& q% U4 } - e2prom_s_cmd arg;
8 r2 {3 D ~; h. Y2 L8 I8 Y - unsigned char buf[0x18];* ^* j" Y1 E0 X5 C' ?; v
8 c; g1 N- `+ \/ g" U- memcpy(buf, mac, 6);
1 V, g1 b/ R5 r7 M! w# K! h8 o - memcpy(&buf[6], stbid, 18);
7 h% s! s" X; v3 n; I+ K3 `4 F# x/ ]0 G - fd = open(E2PROM_DEVICE, O_RDWR);0 I8 d8 h) g( G# r' D
- if (fd < 0) {
' q; y, }! T7 o4 s0 t V2 g6 Q - printf("Device %s open error.\n", E2PROM_DEVICE);
1 ]9 v( M0 e" d) y$ l1 G, O - return -1;
: H a* t7 }; T6 E$ ]; a - }. x, I) Y9 i# o8 V) |- \
- arg.sub_addr_count = 2;, z4 F4 G9 U5 F; E5 h- a
- arg.data_count = 0x18;
& p$ L4 A. h3 K% `" g' X/ ^ - arg.e2prom_cmd_sub_addr = 0x290;! I3 S0 ~8 ]7 |0 o
- arg.e2prom_cmd_data = buf;
: b5 V" E( W" c3 {) h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" {. W# H# [3 ~3 @) Q% N. W
- if (ret != 0) {' ?- e7 j9 F; @; l- K
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ V+ t/ v) p3 C6 \# o; K$ C& g - return -1;
* U7 Z" c+ d9 c L8 l& M - }
1 F" i' u' p% F- C# g7 M [! d4 @; `
4 Y/ m' D6 _) ~- return 0;
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- 8 f* d- C, |9 U* p' }9 F: A
- int main()
# N+ K2 w$ k; n1 M5 a- ]0 U9 D/ w6 `0 W - {
1 O8 l3 U( h7 k E - char c;' X6 n+ o, v: d1 F" L/ L, @
- int i, macs[6];7 Z: \. F& w! F# @' B2 }5 T' r
- unsigned char mac[6];6 a5 k, Q2 X4 A' ]& t1 O
- unsigned char stbid[256];
" x- N0 J& B5 G) P4 C$ V - 6 p5 h4 e; g/ A% G$ C
- if (readparam(mac, stbid) < 0)
. ^7 H, o8 D3 W& m3 x5 H% P! f - return 1;+ `1 \) g5 K% N5 x
! X0 h, a! @4 i5 n! P4 Q: q- printf("Current parameters: \n");7 H5 ?' l2 z/ `* q/ s0 {4 |6 `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 d! c1 B/ ]# S# A+ M7 f$ @, Q' { - printf(" STBID: %s\n", stbid);" D5 I& {$ W7 |1 @5 }. ]; O
-
. O* w0 K2 L6 n/ @& d2 } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) I5 t8 p8 E& R& m( D* r3 Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( g6 g* X8 \0 r% c3 }% m
- printf("Input MAC error\n");
1 X" N; ~7 o4 c8 U) g - return 1;* y2 K2 Z' y% y2 G' F# I: k
- }/ |3 w# u: \( V3 x
- for (i=0; i<6; i++)mac[i] = macs[i];) g! v1 f! J9 g) k6 x, d$ Z
- printf("\nPlease input new STBID: ");
/ V, B( x: u" K- `1 G Z8 f - scanf("%s", stbid);
2 }" V/ A. w) V/ @1 ~ - if (strlen(stbid) != 18) {
8 \( H$ ?4 N9 L8 p! u9 E - printf("Invalid stbid\n");
$ u" X; J1 q9 C; n9 t - return 1;
% L0 Q) O3 f- @9 K2 w7 E% i7 C# Y - }
T( D; ]/ Y9 k/ I5 O - printf("\nNew parameters: \n");
: D, q' h8 z/ ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# q+ [/ i$ V0 M F8 V - printf(" STBID: %s\n", stbid);3 V# J; n2 B0 L Z/ c! S N
6 G8 Q4 w! Q+ M% R- Z0 s; Q- printf("\nDo you want to change paramemters? (y/N) ");
! |5 \+ t6 Y. j - for (;;) {
3 r) {# {4 @* T4 O9 s - c = getchar();$ p9 P \, t0 ?5 M7 {
- if (c == 'y' || c == 'Y')
2 \# G# R4 f$ t7 L0 q! ?7 t- z - break;, Q5 h" G. w1 f% v1 k8 g$ ?( n
- if (c == 'n' || c == 'N') {0 X. q# r. L* y$ R
- printf("\nAborted.\n");! @1 y7 g# n, c6 N: E- D
- return 1;# k3 e) ^ c" I+ _
- }
8 E. d& i; Y+ o7 V2 T0 d - }# [9 \$ t! [3 S' l6 S3 n* r! W* |
- if (writeparam(mac, stbid) == 0)
1 B- \# k) ^, t2 ? - printf("Parameters changed.\n");. }# @5 g1 G0 L% g2 L! K; m
9 z0 S5 q% \/ C5 B- return 0;: E) z5 }8 _; s7 c" _! j; s
- }
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