This commit is contained in:
Kilian Neuner 2011-08-03 19:28:43 +02:00
commit ced37e9aab
9 changed files with 826 additions and 8 deletions

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@ -1,6 +1,6 @@
#ifndef _RANDOM_H_ #ifndef _RANDOM_H_
#define _RANDOM_H_ #define _RANDOM_H_
#include <stdint.h>
void randomInit(void); void randomInit(void);
uint32_t getRandom(void); uint32_t getRandom(void);

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@ -1,8 +1,8 @@
#ifndef _XXTEA_H_ #ifndef _XXTEA_H_
#define _XXTEA_H_ #define _XXTEA_H_
#include <stdint.h>
void xxtea_cbcmac(uint32_t mac[4], uint32_t *data, void xxtea_cbcmac(uint32_t mac[4], uint32_t *data, uint32_t len, uint32_t const key[4]);
uint32_t len, uint32_t const key[4]);
void xxtea_encode_words(uint32_t *v, int n, uint32_t const k[4]); void xxtea_encode_words(uint32_t *v, int n, uint32_t const k[4]);
void xxtea_decode_words(uint32_t *v, int n, uint32_t const k[4]); void xxtea_decode_words(uint32_t *v, int n, uint32_t const k[4]);

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@ -47,3 +47,17 @@ strcpy
xxtea_encode_words xxtea_encode_words
getRandom getRandom
crc16 crc16
f_write
f_close
ECIES_decryptkeygen
bitstr_parse_export
f_get_rc_string
xxtea_decode_words
systickGetTicks
lcdFill
memcpy
DoChar
font
Font_Invaders
Font_7x8
lcdBuffer

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@ -56,11 +56,11 @@ sub wanted {
s!//.*!!; s!//.*!!;
$types{$id}="*($_)"; $types{$id}="*($_)";
$files{$id}=$File::Find::name; $files{$id}=$File::Find::name;
}elsif (m!^\s*extern\s[^(]* ([\w]+)\s*(\[\w*\]\s*)?;\s*(//.*)?(/\*[^/]*\*/)?$!){ }elsif (m!^\s*extern\s[^(]* ([\w]+)\s*(\[[^]]*\]\s*)?;\s*(//.*)?(/\*[^/]*\*/)?$!){
$id=$1; $id=$1;
s/extern //; s/extern //;
my $star="*"; my $star="*";
if( s/\[\w*\]//){ if( s/\[.*\]//){
$star=""; $star="";
}; };
s/$id/*/; s/$id/*/;

340
firmware/l0dable/recvcard.c Normal file
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@ -0,0 +1,340 @@
#include <sysinit.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#include "basic/basic.h"
#include "lcd/render.h"
#include "lcd/allfonts.h"
#include "basic/ecc.h"
#include "funk/nrf24l01p.h"
#include "filesystem/ff.h"
#include "filesystem/diskio.h"
#include "funk/filetransfer.h"
#include "lcd/print.h"
#include <string.h>
#include "funk/nrf24l01p.h"
#include "funk/filetransfer.h"
#include "funk/rftransfer.h"
#include "basic/basic.h"
#include "basic/xxtea.h"
#include "filesystem/ff.h"
#include "lcd/print.h"
#include "usetable.h"
uint8_t mac[5] = {1,2,3,2,1};
void ram(void)
{
if( sendKeys() )
return;
char priv[42];
UINT readbytes;
FIL file;
if( f_open(&file, "priv.key", FA_OPEN_EXISTING|FA_READ) ){
return;
}
if( f_read(&file, priv, 41, &readbytes) || readbytes != 41 ){
return;
}
f_close(&file);
priv[41] = 0;
uint8_t done = 0;
uint8_t key;
uint8_t k1[16], k2[16], rx[4*NUMWORDS], ry[4*NUMWORDS];
while( !done ){
lcdClear();
lcdPrintln("Receiving file");
lcdPrintln("Down=Abort");
lcdRefresh();
key = getInput();
delayms(20);
if( key == BTN_DOWN ){
return -1;
}
if( receiveR(rx,ry) )
continue;
lcdPrintln("Creating key");
lcdRefresh();
ECIES_decryptkeygen(rx, ry, k1, k2, priv);
if( filetransfer_receive(mac,(uint32_t*)k1) < 0 )
continue;
lcdPrintln("Right=OK");
lcdPrintln("Left=Retry");
lcdPrintln("Down=Abort");
lcdRefresh();
while(1){
key = getInput();
delayms(20);
if( key == BTN_LEFT ){
break;
}else if( key == BTN_RIGHT ){
done = 1;
break;
}else if( key == BTN_DOWN ){
return -1;
}
}
}
}
void sendPublicKey(void)
{
uint8_t exp[2 + 4*NUMWORDS + 2];
char buf[42];
UINT readbytes;
FIL file;
if( f_open(&file, "pubx.key", FA_OPEN_EXISTING|FA_READ) ){
return;
}
if( f_read(&file, buf, 41, &readbytes) || readbytes != 41 ){
return;
}
f_close(&file);
buf[41] = 0;
exp[0] = 'P';
bitstr_parse_export((char*)exp+2, buf);
exp[1] = 'X';
nrf_snd_pkt_crc(32, exp);
delayms(10);
if( f_open(&file, "puby.key", FA_OPEN_EXISTING|FA_READ) ){
return;
}
if( f_read(&file, buf, 41, &readbytes) || readbytes != 41 ){
return;
}
f_close(&file);
buf[41] = 0;
exp[1] = 'Y';
bitstr_parse_export((char*)exp+2, buf);
nrf_snd_pkt_crc(32, exp);
delayms(10);
}
int receiveKey(uint8_t type, uint8_t *x, uint8_t *y)
{
uint8_t buf[32];
uint8_t n;
n = nrf_rcv_pkt_time(1000, 32, buf);
if( n == 32 && buf[0] == type && buf[1] == 'X' ){
for(int i=0; i<NUMWORDS*4; i++)
x[i] = buf[i+2];
n = nrf_rcv_pkt_time(100, 32, buf);
if( n == 32 && buf[0] ==type && buf[1] == 'Y' ){
for(int i=0; i<NUMWORDS*4; i++)
y[i] = buf[i+2];
return 0;
}
}
return -1;
}
int receiveR(uint8_t *rx, uint8_t *ry)
{
return receiveKey('R',rx,ry);
}
void sendMac(void)
{
uint8_t buf[32];
buf[0] = 'M';
buf[1] = 'C';
buf[2] = mac[0];
buf[3] = mac[1];
buf[4] = mac[2];
buf[5] = mac[3];
buf[6] = mac[4];
nrf_snd_pkt_crc(32, buf);
delayms(10);
}
int sendKeys(void)
{
uint8_t done = 0;
char key;
while( !done ){
lcdClear();
lcdPrintln("Sending PUBKEY");lcdRefresh();
sendPublicKey();
sendMac();
lcdPrintln("Done");
lcdPrintln("Right=OK");
lcdPrintln("Left=Retry");
lcdPrintln("Down=Abort");
lcdRefresh();
while(1){
key = getInput();
delayms(20);
if( key == BTN_LEFT ){
break;
}else if( key == BTN_RIGHT ){
done = 1;
break;
}else if( key == BTN_DOWN ){
return -1;
}
}
}
return 0;
}
int filetransfer_receive(uint8_t *mac, uint32_t const k[4])
{
uint8_t buf[MAXSIZE+1];
uint16_t size;
uint8_t n;
UINT written = 0;
FIL file;
FRESULT res;
//uint8_t macbuf[5];
//nrf_get_rx_max(0,5,macbuf);
uint8_t metadata[32];
//nrf_set_rx_mac(0, 32, 5, mac);
n = nrf_rcv_pkt_time_encr(3000, 32, metadata, k);
if( n != 32 )
return 1; //timeout
//nrf_set_rx_mac(0, 32, 5, macbuf);
//lcdPrintln("got meta"); lcdRefresh();
metadata[19] = 0; //enforce termination
size = (metadata[20] << 8) | metadata[21];
if( size > MAXSIZE ) {lcdPrintln("too big"); lcdRefresh(); while(1);}
if( size > MAXSIZE ) return 1; //file to big
//if(fileexists(metadata)) return 1; //file already exists
//lcdPrint("open"); lcdPrintln((const char*)metadata); lcdRefresh();
res = f_open(&file, (const char*)metadata, FA_OPEN_ALWAYS|FA_WRITE);
//lcdPrintln("file opened"); lcdRefresh();
if( res ) {lcdPrintln("res"); lcdPrint(f_get_rc_string(res)); lcdRefresh(); while(1);}
if( res )
return res;
uint16_t wordcount = (size+3)/4;
//nrf_set_rx_mac(0, 32, 5, mac);
//lcdPrintln("get file"); lcdRefresh();
int fres = rftransfer_receive(buf, wordcount*4, 1000);
if( fres == -1 ){
lcdPrintln("checksum wrong");
}else if( fres == -2 ){
lcdPrintln("timeout");
}else{
//lcdPrintln("got file");
}
lcdRefresh();
if( fres < 0 )
return 1;
//nrf_set_rx_mac(0, 32, 5, macbuf);
xxtea_decode_words((uint32_t *)buf, wordcount, k);
res = f_write(&file, buf, size, &written);
f_close(&file);
if( res )
return res;
if( written != size )
return 1; //error while writing
lcdClear();
lcdPrintln("Received"); lcdPrintln((const char*)metadata); lcdRefresh();
return 0;
}
#define MAXPACKET 32
int16_t rftransfer_receive(uint8_t *buffer, uint16_t maxlen, uint16_t timeout)
{
uint8_t buf[MAXPACKET];
uint8_t state = 0;
uint16_t pos = 0, seq = 0, size = 0, rand = 0, crc = 0;
int n,i;
unsigned int currentTick = systickGetTicks();
unsigned int startTick = currentTick;
while(systickGetTicks() < (startTick+timeout) ){//this fails if either overflows
n = nrf_rcv_pkt_time(1000, MAXPACKET, buf);
switch(state){
case 0:
if( n == 32 && buf[0] == 'L' ){
size = (buf[1] << 8) | buf[2];
rand = (buf[3] << 8) | buf[4];
seq = 0;
pos = 0;
if( size <= maxlen ){
//lcdClear();
//lcdPrint("got l="); lcdPrintInt(size);
//lcdPrintln(""); lcdRefresh();
state = 1;
}
}
break;
case 1:
if( n == 32 && buf[0] == 'D' && ((buf[3]<<8)|buf[4])==rand ){
//lcdPrint("got d"); lcdRefresh();
if( seq == ((buf[1]<<8)|buf[2]) ){
//lcdPrintln(" in seq"); lcdRefresh();
for(i=5; i<n-2 && pos<size; i++,pos++){
buffer[pos] = buf[i];
}
seq++;
}
}
if( pos == size ){
//lcdPrintln("got all"); lcdRefresh();
crc = crc16(buffer, size);
state = 2;
}
break;
case 2:
if( n == 32 && buf[0] == 'C' && ((buf[3]<<8)|buf[4])==rand){
//lcdPrint("got crc"); lcdRefresh();
if( crc == ((buf[1]<<8)|buf[2]) ){
//lcdPrintln(" ok"); lcdRefresh();
return size;
}else{
//lcdPrintln(" nok"); lcdRefresh();
return -1;
}
}
break;
};
}
//lcdPrintln("Timeout"); lcdRefresh();
return -2;
}
#if 0
int ECIES_decryptkeygen(uint8_t *rx, uint8_t *ry,
uint8_t k1[16], uint8_t k2[16], const char *privkey)
{
elem_t Rx, Ry, Zx, Zy;
exp_t d;
bitstr_import(Rx, (char*)rx);
bitstr_import(Ry, (char*)ry);
if (ECIES_embedded_public_key_validation(Rx, Ry) < 0)
return -1;
bitstr_parse(d, privkey);
point_copy(Zx, Zy, Rx, Ry);
point_mult(Zx, Zy, d);
point_double(Zx, Zy); /* cofactor h = 2 on B163 */
if (point_is_zero(Zx, Zy))
return -1;
ECIES_kdf((char*)k1,(char*) k2, Zx, Rx, Ry);
return 0;
}
#endif

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@ -0,0 +1,463 @@
#include <sysinit.h>
#include <string.h>
#include "basic/basic.h"
#include "basic/random.h"
#include "lcd/render.h"
#include "lcd/display.h"
#include "lcd/allfonts.h"
#include "usetable.h"
/**************************************************************************/
#define POS_PLAYER_Y 60
#define POS_PLAYER_X RESX/2-3
#define POS_UFO_Y 0
#define ENEMY_ROWS 3
#define ENEMY_COLUMNS 6
#define DISABLED 255
#define UFO_PROB 1024
#define TYPE_PLAYER 1
#define TYPE_ENEMY_A 3
#define TYPE_ENEMY_B 2
#define TYPE_ENEMY_C 4
#define TYPE_UFO 5
#define BUNKERS 3
#define BUNKER_WIDTH 10
static const uint8_t BUNKER_X[] = {15, RESX/2-BUNKER_WIDTH/2,RESX-BUNKER_WIDTH-15};
static const uint8_t ENEMY_WIDTHS[] = {8,10,12};
struct gamestate {
char player;
char ufo;
char shot_x, shot_y;
char shots_x[ENEMY_COLUMNS];
char shots_y[ENEMY_COLUMNS];
char alive;
int16_t move;
char direction, lastcol;
bool killed;
bool step;
uint32_t score;
uint16_t level;
int8_t rokets;
char enemy_x[ENEMY_ROWS][ENEMY_COLUMNS];
char enemy_row_y[ENEMY_ROWS];
uint8_t bunker[BUNKERS][BUNKER_WIDTH];
} game;
char key;
void init_game();
void init_enemy();
void check_end();
void move_ufo();
void move_shot();
void move_shots();
void move_player();
void move_enemy();
void draw_score();
void draw_bunker();
void draw_player();
void draw_enemy();
void draw_shots();
void draw_sprite(char type, char x, char y);
void draw_ufo();
void screen_intro();
void screen_gameover();
void screen_level();
bool check_bunker(char xpos, char ypos, int8_t shift);
void ram(void) {
//gpioSetValue (RB_LED1, CFG_LED_OFF);
//backlightInit();
while(1) {
screen_intro();
game.rokets = 3;
game.level = 1;
init_game();
screen_level();
while (game.rokets>=0) {
////checkISP();
lcdFill(0);
check_end();
move_ufo();
move_shot();
move_shots();
move_player();
move_enemy();
draw_score();
draw_ufo();
draw_bunker();
draw_player();
draw_enemy();
draw_shots();
// draw_status();
lcdDisplay();
delayms(12);
}
screen_gameover();
}
return;
}
void screen_intro() {
char key=0;
while(key==0) {
lcdFill(0);
font = &Font_Invaders;
DoString(28,25,"ABC");
font = &Font_7x8;
DoString (28,40,"SPACE");
DoString (18,50,"INVADERS");
//DoString (20,RESY-24, "Highscore");
DoString (0, 0, "12345");
DoString (0, 9, "iggy");
lcdDisplay();
delayms_queue(50);
key=getInput();
}
}
void screen_gameover() {
char key =0;
while(key==0) {
lcdFill(0);
font = &Font_7x8;
DoString (12,32, "GAME OVER");
DoInt (0,0, game.score);
DoString (0,9,"HIGHSCORE!");
lcdDisplay();
delayms_queue(50);
key=getInput();
}
}
void screen_level() {
lcdFill(0);
draw_score();
font = &Font_7x8;
int dx = DoString(20,32, "Level ");
DoInt(dx,32,game.level);
lcdDisplay();
delayms(500);
}
void init_game(void) {
game.player = POS_PLAYER_X;
game.shot_x = DISABLED;
game.shot_y = 0;
game.alive = ENEMY_ROWS*ENEMY_COLUMNS;
game.move = 0;
if (getRandom()%2 == 0) {
game.direction = -1;
game.lastcol = ENEMY_COLUMNS-1;
} else {
game.direction = 1;
game.lastcol = 0;
}
game.killed = 0;
game.step = false;
game.ufo = DISABLED;
game.score = 0;
init_enemy();
for (int col=0; col<ENEMY_COLUMNS; col++){
game.shots_x[col] = DISABLED;
}
for (int b=0; b<BUNKERS; b++){
//for (int slice=0; slice<BUNKER_WIDTH; slice++){
// game.bunker[b][slice] = 255<<2;
//}
game.bunker[b][0] = 0b00111100;
game.bunker[b][1] = 0b01111100;
game.bunker[b][2] = 0b11111100;
game.bunker[b][3] = 0b11100000;
game.bunker[b][4] = 0b11100000;
game.bunker[b][5] = 0b11100000;
game.bunker[b][6] = 0b11100000;
game.bunker[b][7] = 0b11111100;
game.bunker[b][8] = 0b01111100;
game.bunker[b][9] = 0b00111100;
}
}
void init_enemy() {
for (int row = 0; row<ENEMY_ROWS; row++) {
game.enemy_row_y[row] = 10 + (40/ENEMY_ROWS)*row;
for (int col = 0; col<ENEMY_COLUMNS; col++) {
game.enemy_x[row][col] = 5+(86/ENEMY_COLUMNS)*col+(2-row);
}
}
}
bool check_bunker(char xpos, char ypos, int8_t shift){
for (int b=0; b<BUNKERS; b++) {
if (xpos>BUNKER_X[BUNKERS-1-b] &&
xpos<BUNKER_X[BUNKERS-1-b]+BUNKER_WIDTH &&
ypos<RESY-8 &&
ypos>RESY-16) {
int offset = BUNKER_WIDTH - (xpos-BUNKER_X[BUNKERS-1-b]);
if (game.bunker[b][offset]!=0) {
if (shift>0)
game.bunker[b][offset]&=game.bunker[b][offset]<<shift;
else
game.bunker[b][offset]&=game.bunker[b][offset]>>-shift;
return true;
}
}
}
return false;
}
void move_shot() {
//No shot, do nothing
if(game.shot_x == DISABLED) {
return;
}
//moving out of top, end shot
if (game.shot_y <= 0) {
game.shot_x = DISABLED;
return;
}
if (check_bunker(game.shot_x,game.shot_y-5,1 ))
game.shot_x=DISABLED;
//check for collision with enemy, kill enemy if
for (int row=0; row<ENEMY_ROWS; row++) {
if (game.enemy_row_y[row]+6 >= game.shot_y && game.enemy_row_y[row]+6 < game.shot_y+7) {
for(int col = 0; col<ENEMY_COLUMNS; col++) {
if(game.shot_x >= game.enemy_x[row][col] && game.shot_x < game.enemy_x[row][col]+ENEMY_WIDTHS[row]) {
game.enemy_x[row][col]=DISABLED;
game.shot_x = DISABLED;
game.alive--;
game.score+=(3-row)*10;
return;
}
}
}
}
//check for collision with ufo
if (game.ufo != DISABLED &&
game.shot_x>game.ufo &&
game.shot_x<game.ufo + 16 &&
game.shot_y<8) {
game.ufo = DISABLED;
game.score += 50;
}
game.shot_y -= 2;
}
void move_shots() {
for (int col = 0; col<ENEMY_COLUMNS; col++){
//No shot, maybe generate
if (game.shots_x[col] == DISABLED) {
for (int row = 0; row<ENEMY_ROWS; row++) {
if (game.enemy_x[row][col] != DISABLED) {
if(getRandom()%(game.alive*20/((game.level/3)+1))==0) {
game.shots_x[col] = game.enemy_x[row][col]+5;
game.shots_y[col] = game.enemy_row_y[row]+0;
}
}
}
continue;
}
//moving out of bottm, end shot
if (game.shots_y[col] >= RESY) {
game.shots_x[col] = DISABLED;
return;
}
//check for collision with bunker
if (check_bunker(game.shots_x[col],game.shots_y[col],-1))
game.shots_x[col]=DISABLED;
//check for collision with player
if (game.shots_y[col] >= RESY-13 &&
game.shots_x[col] > game.player+1 &&
game.shots_x[col] < game.player+6) {
game.killed = true;
}
//move shots down
game.shots_y[col] += 1;
}
}
void move_ufo() {
if (game.ufo == DISABLED) {
if ((getRandom()%UFO_PROB)==0) {
game.ufo = 0;
}
return;
}
if (game.ufo >= RESX){
game.ufo = DISABLED;
return;
}
game.ufo++;
}
void move_player() {
if(gpioGetValue(RB_BTN0)==0 && game.player > 0 ){
game.player-=1;
}
if(gpioGetValue(RB_BTN1)==0 && game.player < RESX-8){
game.player+=1;
}
if(gpioGetValue(RB_BTN4)==0 && game.shot_x == 255){
game.shot_x = game.player+4;
game.shot_y = POS_PLAYER_Y;
}
}
void move_enemy() {
if(game.move > 0){
game.move-=game.level/5+1;
return;
}
game.step = !game.step;
for (int col = 0; col < ENEMY_COLUMNS; col++) {
for (int row = 0; row < ENEMY_ROWS; row++) {
char pos = game.enemy_x[row][(game.direction==1)?(ENEMY_COLUMNS-(col+1)):col];
if (pos != DISABLED) {
//Check collision with player
if((game.enemy_row_y[row]+8 >= POS_PLAYER_Y && pos+8 >= game.player && pos < game.player+8) ||
game.enemy_row_y[row]+8 >= POS_PLAYER_Y+8) {
for(int row=0; row<ENEMY_ROWS; row++) {
game.enemy_row_y[row] = 10 + (40/ENEMY_ROWS)*row;
}
game.killed = true;
}
check_bunker(pos,game.enemy_row_y[row]+8,-2);
//Are we at the beginning or end? Direction change
if((pos <=0 && game.direction != 1) ||
(pos >=RESX-10 && game.direction == 1)){
game.direction = (game.direction==1)?-1:1;
for (int r = 0; r<ENEMY_ROWS; r++) {
game.enemy_row_y[r]+=game.level>=23?4:2;
}
return;
}
game.enemy_x[row][(game.direction==1)?(ENEMY_COLUMNS-(col+1)):col] += game.direction;
}
}
}
game.move = game.alive*2-1;
}
void draw_player() {
draw_sprite(TYPE_PLAYER, game.player, POS_PLAYER_Y);
}
void draw_ufo() {
if (game.ufo!=DISABLED)
draw_sprite(TYPE_UFO, game.ufo, POS_UFO_Y);
}
void draw_enemy() {
for (int row = 0; row<ENEMY_ROWS; row++) {
for (int col = 0; col<ENEMY_COLUMNS; col++) {
if (game.enemy_x[row][col] != DISABLED) {
draw_sprite(TYPE_ENEMY_C-row,game.enemy_x[row][col],game.enemy_row_y[row]);
}
}
}
}
void draw_bunker() {
for (int b=0; b<BUNKERS; b++) {
memcpy(lcdBuffer+(RESX*1+BUNKER_X[b]),game.bunker+b,BUNKER_WIDTH);
}
}
void draw_shots() {
if (game.shot_x != 255) {
for (int length=0; length<=5; length++) {
lcdSetPixel(game.shot_x, game.shot_y+length, true);
}
}
for (int col = 0; col < ENEMY_COLUMNS; col++) {
if (game.shots_x[col] != DISABLED) {
for (int length=0; length<=5; length++) {
lcdSetPixel(game.shots_x[col], game.shots_y[col]+length,true);
}
}
}
}
void draw_status() {
for (int p = 0; p<game.alive; p++){
lcdSetPixel(p+1,1,true);
}
}
void draw_sprite(char type, char x, char y) {
font = &Font_Invaders;
switch(type) {
case TYPE_PLAYER:
DoChar(x,y-1,'P');
break;
case TYPE_ENEMY_A:
DoChar(x,y-1,game.step?'a':'A');
break;
case TYPE_ENEMY_B:
DoChar(x,y-1,game.step?'b':'B');
break;
case TYPE_ENEMY_C:
DoChar(x,y-1,game.step?'c':'C');
break;
case TYPE_UFO:
DoChar(x,y-1,'U');
break;
}
}
void draw_score() {
font = &Font_7x8;
DoInt(0,0,game.score);
DoInt(RESX-8,0,game.rokets);
font = &Font_Invaders;
DoChar(RESX-16, 0, 'P');
}
void check_end() {
if (game.killed) {
game.rokets--;
delayms(500);
game.player = POS_PLAYER_X;
for(int col=0; col<ENEMY_COLUMNS; col++) {
game.shots_x[col] = DISABLED;
}
game.killed = false;
}
if (game.alive == 0) {
delayms(500);
game.level++;
init_game();
screen_level();
}
}

View File

@ -0,0 +1,3 @@
size_t strlen(const char *s);
char * strcpy(char * restrict dst, const char * restrict src);
void * memcpy(void *dst, const void *src, size_t len);

View File

@ -216,6 +216,7 @@ void lcdDisplay(void) {
lcd_deselect(); lcd_deselect();
} }
void lcdRefresh() __attribute__ ((weak, alias ("lcdDisplay")));
inline void lcdInvert(void) { inline void lcdInvert(void) {
GLOBAL(lcdinvert)=!GLOBAL(lcdinvert); GLOBAL(lcdinvert)=!GLOBAL(lcdinvert);

View File

@ -53,9 +53,6 @@ void lcdClear(){
lcdFill(0); lcdFill(0);
}; };
void lcdRefresh(){
lcdDisplay();
};
void lcdMoveCrsr(signed int dx,signed int dy){ void lcdMoveCrsr(signed int dx,signed int dy){
x+=dx; x+=dx;