本帖最后由 0522 于 2012-3-21 23:04 编辑 + v9 [2 k; C+ Y& R
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修改的代码早有了。到今天不会编译。; A% b3 Y$ z7 d/ X9 z6 |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* M* E( U/ s4 _
- #include <malloc.h>2 Q8 s4 b2 F9 C( j; L4 G
- #include <sys/types.h>
" q) n6 ?# D W0 L# C2 y# \: y - #include <sys/stat.h>- F2 o3 O$ B, l! z& s6 u3 k
- #include <sys/ioctl.h>% |% O" T3 _0 {7 w, I4 `
- #include <stdio.h>! J6 Q7 f- I% i' b! { N# l
- #include <string.h>$ k( z2 A: j7 ~+ J% t% K% W
. p: M; t# h& S% h/ C0 e: o! [- typedef struct {
$ | b: P( s9 @ - unsigned int e2prom_cmd_sub_addr;
2 q& Y9 e) i4 @( o - unsigned int sub_addr_count;
6 o1 E% ^, k3 w9 ?" o! g - unsigned char* e2prom_cmd_data;/ p' }2 N+ Y' Z& z
- unsigned int data_count;# }- c' {! }+ [6 R, ^4 p$ y
- } e2prom_s_cmd;# k2 M. O" ?. W# T
9 z9 [% ]& [* }) t# n/ n- #define E2PROM_CMD_READ 1
& G9 y* v& C; N( B - #define E2PROM_CMD_WRITE 2
; A0 X4 D( M) \* T1 N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
2 v5 K) T$ t- X - {# w, G/ X2 Y5 `) b4 M
- int fd, ret;# ?( k% [8 ~4 m5 p+ ~
- e2prom_s_cmd arg;
r3 ]- X9 s" A4 U m) W - unsigned char buf[0x18];( q& a/ N! F7 t* D
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 X# B2 \0 A6 B - if (fd < 0) {
8 R* u# C* K$ ^ - printf("Device %s open error.\n", E2PROM_DEVICE);& N! s# H& ?/ o3 A
- return -1;
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- arg.sub_addr_count = 2;% `( Y& K- \3 _' e. X
- arg.data_count = 0x18;
' S; c. Z) u' f1 g" X* a - arg.e2prom_cmd_sub_addr = 0x290;
/ B6 m$ y/ k6 t" B6 Y& ~ - arg.e2prom_cmd_data = buf;
3 V* X6 N( G# H+ @* C, S4 i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' G' @7 `! `+ u! B0 L2 @% `1 ?
- if (ret != 0) {( }. U& `& Z" R* Z
- printf("Device %s read error.\n", E2PROM_DEVICE);
# T0 s. `0 v' f0 s/ q! y b - return -1;7 R3 a' v$ F% N q; n7 r5 U
- }
5 _+ ]: x @, y3 M; K L+ e7 d - memcpy(mac, buf, 6);0 F, |# A9 N$ |) o3 \4 r
- memcpy(stbid, &buf[6], 18);& n6 y$ a4 _8 V' L$ k+ x# m2 [9 {
- stbid[18] = '\0';) D( t5 Y z: r; [) [2 B
- 3 r$ y! ? a" f3 E9 n- }
- return 0;& \. j. r$ F1 M$ S# @
- }
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8 i$ Q v2 z! o: R6 d! F3 T: N6 ?- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 l5 g L) d0 G* T+ s& [ - {
* O' D! r2 ?5 g7 L# ~+ w - int fd, ret;
& y' i1 E6 w1 Q" k$ Z - e2prom_s_cmd arg;
! E3 I/ B. _- x" A4 j5 m- A' D4 V - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);3 J; e: D7 t& H! _4 B; D
- memcpy(&buf[6], stbid, 18);1 K$ {( K$ A( X8 V2 h
- fd = open(E2PROM_DEVICE, O_RDWR);
' p% F1 ~' z3 l7 z7 L - if (fd < 0) {* G) ?, Y. |3 M' D5 Q6 j
- printf("Device %s open error.\n", E2PROM_DEVICE);) w+ c3 D/ W$ @6 U% D
- return -1;) G/ w1 r* W6 v6 R
- }! }! k7 a! N( y# m' E) |& ~* ~
- arg.sub_addr_count = 2;
, B0 _3 l' D) j' D3 [ - arg.data_count = 0x18;
, Z" W3 a- A9 \& S5 v/ a% Z - arg.e2prom_cmd_sub_addr = 0x290;
: c! K4 P' ^0 T- s& S - arg.e2prom_cmd_data = buf;( M' ^6 I7 n; H7 p/ ?& q0 z" `
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ L1 V- H/ Z) F2 a+ b( A: c3 U& x - if (ret != 0) {, s- e: v0 G. U5 z% n2 R; f; N
- printf("Device %s write error.\n", E2PROM_DEVICE);
% Z8 }6 H, [+ q* ~ G2 P - return -1;. Z1 Z# V) N/ _
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- return 0;
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g+ z, {7 e; M( {0 L5 T' m- int main()
# e9 u, d! G" W* h i& Z" G' H - {# l0 j4 D! x, l* L# ]9 S i$ y, R
- char c;5 T: d# G) ]# f8 I0 T& ~1 @
- int i, macs[6];. m+ ?6 `" m. x% l: V: `
- unsigned char mac[6];! P' M* q! p: N( F4 Q$ u% ~ D
- unsigned char stbid[256];+ G1 \. A* [: `' T" R0 z
A5 U( Q$ p0 z+ ~- if (readparam(mac, stbid) < 0)* z* }, ?" e% ]4 M9 f6 s: Y
- return 1;
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' c8 A, _. Y" u9 M s F0 Q- printf("Current parameters: \n");
+ g2 b" n/ b7 w- z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ x: G$ U0 K9 V- ^+ p8 d - printf(" STBID: %s\n", stbid);
. |2 ^9 Z7 e8 z& i( t U( q7 b, h -
% W, N# i! r/ r2 c - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ c3 }6 F; r8 G3 J2 C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 O# @4 W% L7 n! _
- printf("Input MAC error\n");( @) _0 k2 P+ \8 B/ Y# ]6 [
- return 1;1 V) Q: C1 y6 @0 z8 v8 g7 |
- }9 r6 M' y; C$ z8 O1 z. B1 {
- for (i=0; i<6; i++)mac[i] = macs[i];
0 t# z1 X. O# D - printf("\nPlease input new STBID: ");8 {& \$ W4 h; H$ S1 X. c
- scanf("%s", stbid);0 @. Y! w. U# @/ p4 B+ u6 R
- if (strlen(stbid) != 18) {
" b) d# r, g; `& U2 u - printf("Invalid stbid\n");
3 I% m% [* @* e: o: M/ y - return 1;
& }" }1 Y. W* g/ V0 I6 {+ p, D - }; J' t" W& g Z. @- q& [
- printf("\nNew parameters: \n");
% c1 o+ p5 C1 G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 S9 H) v5 ^4 H- R - printf(" STBID: %s\n", stbid);. w( Z" X6 w% e7 \8 K c/ S- a
. q* z1 n& J3 u! R2 I4 S: _+ k+ _- printf("\nDo you want to change paramemters? (y/N) ");
. e+ w; C1 B3 W - for (;;) {
' V: D) F+ g, h% ` - c = getchar();9 ]" d0 s) p! V$ N6 m
- if (c == 'y' || c == 'Y')
1 J8 P; g& t) _. A# @: ~2 p! A - break;3 w& _9 K7 F2 V
- if (c == 'n' || c == 'N') {
, s5 C5 w6 @$ i7 S4 a: h- _( j - printf("\nAborted.\n");: ~0 t% P4 B. t, x& Y2 m
- return 1;
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- }
% P; W, C+ P0 J0 M - if (writeparam(mac, stbid) == 0)
; q8 V+ m' z9 P: w+ K5 e# @ - printf("Parameters changed.\n");
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- return 0;
1 n1 y! f; m* [* g - }
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