本帖最后由 0522 于 2012-3-21 23:04 编辑
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! U5 a3 P1 R" S. R5 I4 Z修改的代码早有了。到今天不会编译。& j6 T) {* ?5 S8 |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, H9 e$ U, Q% X) w. [; Z - #include <malloc.h>2 g& |7 q5 ]2 C
- #include <sys/types.h>
3 D# k" N( |+ H+ M4 [3 I - #include <sys/stat.h>
6 T$ a1 ?$ j) T: b+ ^ - #include <sys/ioctl.h>
& y/ y! p1 D) s( P- ~, v0 g7 d - #include <stdio.h>
2 m+ z! Q( p9 ~& K. c) I* D( v - #include <string.h>
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0 A6 W' l h6 }( } i1 I/ {0 W% v2 v- typedef struct {
- [% U/ D# S- | - unsigned int e2prom_cmd_sub_addr;0 X- Y+ \* l. D! x' W8 ?! y. v5 n
- unsigned int sub_addr_count;9 }9 ~* P- _4 p
- unsigned char* e2prom_cmd_data;# O3 E- b1 w9 U4 _8 i; _
- unsigned int data_count;
/ W: \& c& }# t. i0 ] - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
4 {+ b% }3 _, |+ v- f, ^ - #define E2PROM_CMD_WRITE 2$ z/ G1 [* b4 o7 K: _
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 G) d3 V- J" r( ^- H
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- static int readparam(unsigned char *mac, unsigned char *stbid): E7 G% S7 ^7 N4 j3 D. c
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- int fd, ret;
$ [" I$ O5 P& t4 `& U% m" {+ Y - e2prom_s_cmd arg;7 g. X$ @* c% G
- unsigned char buf[0x18];2 N0 K" n" M, O. N: ~
6 U2 Z8 N8 }; a" A- fd = open(E2PROM_DEVICE, O_RDWR);
+ H+ t6 v1 j1 }2 C* \ - if (fd < 0) {
" s% K0 \1 _( ]0 b - printf("Device %s open error.\n", E2PROM_DEVICE); k( [* f8 ?9 Y( \9 r/ @4 I3 G9 e% A
- return -1;, _& l' l$ z% G$ D; G
- }
6 n7 a- z( N( O3 d! N. n/ M3 I7 R - arg.sub_addr_count = 2;
8 t, X8 \# |, e- y9 I3 O/ }# b - arg.data_count = 0x18;
/ t3 ?/ ^* Z" l' x& t9 [ - arg.e2prom_cmd_sub_addr = 0x290;% U0 i2 n; n5 y3 B
- arg.e2prom_cmd_data = buf;
( ~; x' I3 Q! l" d) g0 G% R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);" A6 F% x2 U* b4 o+ p
- if (ret != 0) {2 p8 g5 {0 a; ]5 x& @
- printf("Device %s read error.\n", E2PROM_DEVICE);
# w3 O& _& M `- p; f! s! e" y - return -1;" \) A9 z1 n: }/ J
- }
9 b* B& ?4 r- d: Y - memcpy(mac, buf, 6);2 n" l1 N: k# i! n" _8 p# e* i
- memcpy(stbid, &buf[6], 18);8 N3 ~6 i6 m: _: m9 ]3 l" f5 w3 T1 ?2 m
- stbid[18] = '\0';5 g) F; } I9 N2 H) m
5 H X% K" ^* U& _ \9 P- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 w4 o. V. P6 p, s - {
! L( @$ i) w. y! J0 @, n - int fd, ret;1 E6 Q$ Z# x; d5 p
- e2prom_s_cmd arg;
3 x1 }+ I. K% J6 s M0 i - unsigned char buf[0x18];
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( ? j- u# m$ g/ ~8 x a, Y- memcpy(buf, mac, 6);
: X+ R) A+ d. B% `! A! Z3 ~ - memcpy(&buf[6], stbid, 18);7 D- Y9 \' v" J$ c# c" R
- fd = open(E2PROM_DEVICE, O_RDWR);$ O) b. b1 R6 {, |& M' u
- if (fd < 0) {
6 U3 r! N N; V; n; c2 Z/ V - printf("Device %s open error.\n", E2PROM_DEVICE);
% R& ^- r- V1 M1 F - return -1;9 s/ N/ d- e& W7 j; X& V' r
- }
9 O! `" b+ ]! ^ - arg.sub_addr_count = 2;
! v, q' L5 j8 x; \ - arg.data_count = 0x18;
! q! g" G9 \" e( W4 m9 c - arg.e2prom_cmd_sub_addr = 0x290;1 v/ i* ^' L! \# j% v
- arg.e2prom_cmd_data = buf;
1 U/ m3 w9 ?# u - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: u. q. M4 ?; a - if (ret != 0) {& O! j6 m& g+ \/ Q, n& c- s% t7 L
- printf("Device %s write error.\n", E2PROM_DEVICE);
, `8 P$ h5 T, E) a - return -1;
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- return 0;3 {5 Q0 O; N8 _6 M" u: K3 i- k
- }
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- int main()8 G6 }0 V: ]! y0 Q- W) R$ o
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- char c;3 W8 x% ]* a. s3 N& P; V
- int i, macs[6];5 H& w# u6 p8 P
- unsigned char mac[6];( q, L! c# l2 J& K
- unsigned char stbid[256];
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0 d3 S; \' s$ c- if (readparam(mac, stbid) < 0)
. |. a* b6 m1 |( `8 J, ^ - return 1;
& G! X& y; d9 o |; R: Q; \, }
8 K3 U' n7 q" Q, y- printf("Current parameters: \n");
! _% N. C, \) n: A5 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& ^) G" Q2 b8 E8 M3 S - printf(" STBID: %s\n", stbid);' U/ ?0 s/ v7 k1 d/ ?
-
6 V6 H; Y$ E6 X3 C. s5 p - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
h$ }: e# C' `# ^& V& ~' s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 m1 w4 w2 A$ q& j
- printf("Input MAC error\n");
$ K; D) a# `2 N1 G% P F. c" q - return 1;: j5 v8 q% _% E5 E
- }
# `- K! O& o9 u9 q3 c - for (i=0; i<6; i++)mac[i] = macs[i];/ q1 @2 @ y2 x6 c, L
- printf("\nPlease input new STBID: ");% n2 g7 K/ {3 i) t$ j
- scanf("%s", stbid);% |: B& ]: @0 t
- if (strlen(stbid) != 18) {6 Z. \4 B) a! F# v2 d
- printf("Invalid stbid\n");4 ~5 O+ n/ {8 G, R0 h
- return 1;! z' z0 r/ @' t# U Q6 ^
- }
. F3 ^/ D; ?; m* x7 ?. d - printf("\nNew parameters: \n");
/ I2 l4 I3 l/ A0 M. C! H4 @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 g$ c8 p) f2 @0 X% K
- printf(" STBID: %s\n", stbid);/ O( k' c9 y1 q& X' v) v
& | p' K2 z0 k, T" z0 x0 j- printf("\nDo you want to change paramemters? (y/N) ");3 k- D' B n& X8 I+ }/ P0 t! `
- for (;;) {- a9 i' j6 W4 O( _; C" s3 o5 Q3 l
- c = getchar();
x, l, X& S/ r5 Y1 w8 C - if (c == 'y' || c == 'Y')( S* _ {9 A- y: z, f) L6 j
- break;
! D! g; n _( g - if (c == 'n' || c == 'N') {' y9 Y F) a# E% J: |! \
- printf("\nAborted.\n");# K4 H) y' s9 v
- return 1;* O' I9 L6 B" X3 N4 `% M0 ~- G
- }( Q& t$ i/ N I
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- if (writeparam(mac, stbid) == 0) % y- W# T1 } ]4 X3 z0 P& \7 ]
- printf("Parameters changed.\n");
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- return 0;1 d7 M8 ^$ y1 c) P2 m1 |6 J! _
- }
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