本帖最后由 0522 于 2012-3-21 23:04 编辑
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* l" ?, G+ z. B6 L- @8 C. \9 J修改的代码早有了。到今天不会编译。7 l1 M; j3 m1 a. ~
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) R* s. u, k8 S3 t( S - #include <malloc.h>& k6 ^0 X$ L' Y0 }& \8 v7 |# G5 e
- #include <sys/types.h>
I& j) W2 F/ f. } - #include <sys/stat.h>
6 Z- R( \: Q+ Q+ x b% _5 L4 |/ U - #include <sys/ioctl.h>
% @2 B! H( T1 G+ @5 t9 e+ P - #include <stdio.h>' k# V: p3 y4 G/ k, d) _/ Z, O
- #include <string.h>
- x( A+ H* R# f
& `3 H4 C/ e4 Z1 A; d0 |- typedef struct {
; [+ ^! c2 Y6 W7 p/ b - unsigned int e2prom_cmd_sub_addr;, t8 u! ?+ u3 \! ~; K4 G
- unsigned int sub_addr_count;
+ Y& ^$ p" ?2 G' u* d - unsigned char* e2prom_cmd_data;
- P. E- n( f4 S" _, c; j1 H - unsigned int data_count;
1 c' ?# h q/ | - } e2prom_s_cmd;
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2 O% D. u8 z. Q; P" C8 n- #define E2PROM_CMD_READ 1+ j- H/ B; B4 N7 v+ C9 J
- #define E2PROM_CMD_WRITE 2
! C* |. L" D: }* } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", q; Q4 C+ i) g8 ]
- ; p3 }1 c: g6 i' H6 o' }# F
- static int readparam(unsigned char *mac, unsigned char *stbid)
3 n: y, C" J: C# p0 K# t - {7 @/ g% q" s3 [/ E/ d
- int fd, ret;
" H3 Y3 S9 T# x/ V: m' ~ - e2prom_s_cmd arg; `4 G" K! z, T
- unsigned char buf[0x18];) `+ Q. o# ~! W, v& @- I, n
; R! d. @( Z0 ]- fd = open(E2PROM_DEVICE, O_RDWR);
% W' t6 f/ ?2 P( G7 s& j9 L8 ^ - if (fd < 0) {
! w3 [! ~8 q' i+ ^$ a" W - printf("Device %s open error.\n", E2PROM_DEVICE);2 T: R9 x" b- b9 Y: J* P
- return -1;
+ D5 w4 F7 G9 ~' F1 E - }
. M/ ?* f: l( C9 D5 D; W - arg.sub_addr_count = 2;
% b5 R/ M6 `2 x - arg.data_count = 0x18;
1 e. n1 b: R% t6 @/ O+ y - arg.e2prom_cmd_sub_addr = 0x290;: k3 M, Q6 n. d( \3 P" B& e3 i; j" Q
- arg.e2prom_cmd_data = buf;
) O, @4 N O, i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 X3 t0 g: U% Y9 N
- if (ret != 0) {
4 [1 T# n8 f4 I: {* Q% |0 r. p. O- o - printf("Device %s read error.\n", E2PROM_DEVICE);- E0 F7 o0 ]3 U6 ?* n
- return -1;
; p0 S1 [1 `- d3 F( L7 i - }
N* h5 Y% w' N4 ^# z - memcpy(mac, buf, 6);: a+ p! e3 m! L8 S! ]! l4 Q+ \
- memcpy(stbid, &buf[6], 18);$ H) `6 t- A9 V2 M$ Y
- stbid[18] = '\0';& Y- \ p5 b' Y0 ^
# L" u( `0 B- b4 K# P! r9 C9 M- return 0;3 n6 U N/ f3 d; D" L8 n
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' `' W& c. W9 }- U& z4 G# h$ q- static int writeparam(unsigned char *mac, unsigned char *stbid). V7 _- ]8 R; d. F3 O+ ~5 U
- {
6 U% Z/ o2 ?' Y! W$ | - int fd, ret;
3 o# d% X, t, y1 t - e2prom_s_cmd arg;
0 I. l+ O; I& h - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);/ R2 f; A* I. S6 c* [! E1 {
- memcpy(&buf[6], stbid, 18);3 ~- R# g' Q9 |
- fd = open(E2PROM_DEVICE, O_RDWR);
; R; c/ L% @* {7 l - if (fd < 0) {8 X# ]! t0 O# a; ~$ R
- printf("Device %s open error.\n", E2PROM_DEVICE);0 l8 M) _* M/ z
- return -1;3 q. j$ b6 I) s6 K+ W
- }
4 W$ \3 H6 D5 X1 H3 A - arg.sub_addr_count = 2;2 ~ q8 x9 Q* T9 B
- arg.data_count = 0x18;
2 Q1 P1 |2 [7 x0 ~- }% \! x/ |0 @ - arg.e2prom_cmd_sub_addr = 0x290; e# S8 Y7 J- C5 j1 n
- arg.e2prom_cmd_data = buf;2 L0 b3 p% C* f0 x" J8 `- o
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 e1 L6 |9 B$ b7 P
- if (ret != 0) {: N' j; u7 S8 _& j* \
- printf("Device %s write error.\n", E2PROM_DEVICE);
9 P4 u! o( }) P4 | - return -1;
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0 K4 q8 L% Q( _3 U! L- return 0;& e P2 v* {3 l+ ?% f( |4 x
- }
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5 s. Z! w6 N* [- int main(), K, g4 h& {* u
- {
1 F0 \0 R, L i) Y& v/ w/ \$ H - char c;
" g' p+ d+ b, a$ ~2 W - int i, macs[6];
D* f" x6 i" q5 U# g, \4 T - unsigned char mac[6];
5 f) Q; P2 a ~# D- G1 T9 v - unsigned char stbid[256];, \: C; w# x: |& a
- - h: R: D) ]$ W
- if (readparam(mac, stbid) < 0)
8 F7 A9 \8 Y/ A R! E6 s' V7 R - return 1;
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- printf("Current parameters: \n");
; X! D) A* U; Z" y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 V( R0 O: Y0 b6 c2 \# {
- printf(" STBID: %s\n", stbid); e1 F" w4 y. c
-
5 O( ]6 a3 q2 x2 J- \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. q; g8 S5 n; V( t5 F* b+ K
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
E3 C2 s' `1 I$ a+ O0 a7 I1 X - printf("Input MAC error\n");4 t' Q% |, ~$ t6 ?4 h4 j
- return 1;
& F- l: ]3 d( o$ `1 `; T - }
& e* U u; U( E; }1 o% | - for (i=0; i<6; i++)mac[i] = macs[i];
]$ n4 m! n# y2 {/ G; } - printf("\nPlease input new STBID: ");8 ^: ^) S0 H4 f2 D. B
- scanf("%s", stbid);
: S$ q' @" C. b) ?" Z0 I3 M }; @9 Y - if (strlen(stbid) != 18) {
; d5 o& u2 N+ Z& [8 ] - printf("Invalid stbid\n");% }3 z$ H2 E3 s
- return 1;
+ Z; }; D! I( ?* U g9 k: R - }& _/ A8 P# c( w d7 I4 j7 m
- printf("\nNew parameters: \n");! `. l- y, Y _! J& ?% e- B/ G$ c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' G \4 g! c4 ~% g/ u
- printf(" STBID: %s\n", stbid);% `6 m/ c; j4 b3 [0 ]+ E3 ^
) i/ h. f/ R% A5 l; p9 o9 m- printf("\nDo you want to change paramemters? (y/N) ");
- T/ B: }: [' b$ E - for (;;) {
( Y/ y& e6 w1 s4 {- D - c = getchar();
: `, @3 H+ T" w, o2 c - if (c == 'y' || c == 'Y')7 M0 G. U; y8 R: i2 J% l
- break;
6 ]7 `6 a" x8 R3 N9 o2 p* w, [1 U - if (c == 'n' || c == 'N') {& b- b/ }. C1 Q2 a3 U6 k
- printf("\nAborted.\n");4 ~/ i/ R4 h" I' n5 t
- return 1;
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- }- C9 X& y, j( k3 Q$ D4 a
- if (writeparam(mac, stbid) == 0)
2 [) @$ }) n% G - printf("Parameters changed.\n");9 d" @- U) x: g& Z
0 c0 e( o- X$ V7 |- ~0 j2 @- return 0;
3 s* ]. q' @) E6 _3 J - }
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