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find games, join games, display text from game

This commit is contained in:
lilafisch 2011-12-11 18:42:40 +01:00
parent 95cde1077d
commit da328de204
1 changed files with 186 additions and 37 deletions
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221
firmware/l0dable/r_player.c
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@ -42,40 +42,60 @@ struct NRF_CFG config = { //for some reason this has to be global
.txmac= GAME_MAC,
.nrmacs=1,
.mac0= PLAYER_MAC,
.maclen ="\x10",
.maclen ="\x20",
};
struct packet{
uint8_t len;
uint8_t protocol;
uint8_t command;
uint32_t id;
uint32_t ctr;
//union with 11 bytes data
//union with 19 bytes data
union content{
struct button{
uint8_t button;
uint32_t id;
uint32_t cnt;
uint8_t reserved[2];
uint8_t reserved[18];
}button;
struct text{
uint8_t x;
uint8_t y;
uint8_t flags;
uint8_t text[8];
uint8_t text[16];
}text;
struct nick{
uint8_t flags;
uint8_t text[10];
uint8_t text[18];
}nick;
struct nickrequest{
uint8_t reserved[11];
uint8_t reserved[19];
}nickrequest;
struct ack{
uint8_t flags;
uint8_t reserved[19];
}ack;
struct announce{
uint8_t gameMac[5];
uint8_t gameChannel;
//uint8_t playerMac[5]; playerMac = gameMac+1;
uint32_t gameId;
uint8_t gameFlags;
uint8_t gameTitle[8];
}announce;
struct join{
uint32_t gameId;
}join;
}c;
uint16_t crc;
};
#define FLAGS_MASS_GAME 1
#define FLAGS_ACK_JOINOK 1
#define MASS_ID 1
/**************************************************************************/
/* l0dable for playing games which are announced by other r0kets with the l0dabel r_game */
@ -84,20 +104,39 @@ struct packet{
* T: packet sent by game, contain text for display
* N: packet sent by game, requesting nick
* n: packet sent player, containing nick
* A: packet sent by game, announcing game
* J: packet sent by player, requesting to join game
* a: ack, packet with $ctr was received
*/
uint32_t ctr;
uint32_t id;
uint32_t gameId;
void sendButton(uint8_t button);
void sendJoin(uint8_t game);
void sendJoin(uint32_t game);
void processPacket(struct packet *p);
void processAnnounce(struct announce *a);
uint8_t selectGame();
void playGame();
struct announce games[10];
uint8_t gamecount;
void ram(void)
{
nrf_config_set(&config);
id = getRandom();
ctr = 1;
while( selectGame() ){
playGame();
}
};
void playGame(void)
{
int len;
struct packet p;
@ -115,57 +154,167 @@ void ram(void)
}
delayms(20);
};
};
//getInputRaw();
}
void showGames(uint8_t selected)
{
int i;
lcdClear();
lcdPrintln("Games:");
if( gamecount ){
for(i=0;i<gamecount;i++){
if( i==selected )
lcdPrint("*");
else
lcdPrint(" ");
char buf[9];
memcpy(buf, games[i].gameTitle, 8);
buf[8] = 0;
lcdPrintln(buf);
}
}else{
lcdPrint("*No Games");
}
lcdRefresh();
}
uint8_t joinGame()
{
int i;
for(i=0; i<10; i++){
struct packet p;
p.len=sizeof(p);
p.protocol='G';
p.command='J';
p.id= id;
p.ctr= ++ctr;
p.c.join.gameId=gameId;
nrf_snd_pkt_crc(sizeof(p),(uint8_t*)&p);
int len;
len = nrf_rcv_pkt_time(30,sizeof(p),(uint8_t*)&p);
if( len==sizeof(p) ){
if( (p.len==32) && (p.protocol=='G') && p.command=='a' ){ //check sanity, protocol
if( p.id == id && p.ctr == ctr ){
if( p.c.ack.flags & FLAGS_ACK_JOINOK )
return 1;
else
return 0;
}
}
}
delayms(70);
}
return 0;
}
uint8_t selectGame()
{
int len, i, selected;
struct packet p;
config.channel = REMOTE_CHANNEL;
memcpy(config.txmac, GAME_MAC, 5);
memcpy(config.mac0, PLAYER_MAC, 5);
nrf_config_set(&config);
gamecount = 0;
for(i=0;i<30;i++){
len= nrf_rcv_pkt_time(30, sizeof(p), (uint8_t*)&p);
if (len==sizeof(p)){
processPacket(&p);
}
}
selected = 0;
while(1){
showGames(selected);
int key=getInputWait();
getInputWaitRelease();
switch(key){
case BTN_DOWN:
if( selected < gamecount-1 ){
selected++;
}
break;
case BTN_UP:
if( selected > 0 ){
selected--;
}
break;
case BTN_LEFT:
return 0;
case BTN_ENTER:
case BTN_RIGHT:
if( gamecount == 0 )
return 0;
gameId = games[selected].gameId;
memcpy(config.txmac, games[selected].gameMac, 5);
memcpy(config.mac0, games[selected].gameMac, 5);
config.mac0[4]++;
config.channel = games[selected].gameChannel;
nrf_config_set(&config);
if( games[selected].gameFlags & FLAGS_MASS_GAME )
return 1;
else
return joinGame();
}
}
}
void processPacket(struct packet *p)
{
if ((p->len==16) && (p->protocol=='G')){ //check sanity, protocol
if ((p->len==32) && (p->protocol=='G') && p->id == id){ //check sanity, protocol, id
if (p->command=='T'){
//processText(&(p->c.text));
}
else if (p->command=='N'){
//processNick(&(p->c.nickrequest));
}
else if (p->command=='A'){
processAnnounce(&(p->c.announce));
}
}
}
void processAnnounce(struct announce *a)
{
if( gamecount < sizeof(games)/sizeof(games[0]) ){
games[gamecount] = *a;
gamecount++;
}
}
//increment ctr and send button state, id and ctr
void sendButton(uint8_t button)
{
uint8_t buf[16];
buf[0]=0x10; // Length: 16 bytes
buf[1]='G'; // Proto
buf[2]='B';
buf[3]=button;
ctr++;
*(int*)(buf+4)=ctr;
ctr+=4;
*(int*)(buf+4)=id;
struct packet p;
p.len=sizeof(p);
p.protocol='G'; // Proto
p.command='B';
p.id= id;
p.ctr= ++ctr;
p.c.button.button=button;
//lcdClear();
//lcdPrint("Key:"); lcdPrintInt(buf[2]); lcdNl();
nrf_snd_pkt_crc(16,buf);
nrf_snd_pkt_crc(sizeof(p),(uint8_t*)&p);
}
//send join request for game
void sendJoin(uint8_t game)
void sendJoin(uint32_t game)
{
uint8_t buf[16];
buf[0]=0x10; // Length: 16 bytes
buf[1]='G'; // Proto
buf[2]='J';
buf[3]=game;
struct packet p;
p.len=sizeof(p);
p.protocol='G';
p.command='J';
p.ctr= ++ctr;
p.id=id;
p.c.join.gameId=game;
ctr++;
*(int*)(buf+4)=ctr;
ctr+=4;
*(int*)(buf+4)=id;
nrf_snd_pkt_crc(16,buf);
nrf_snd_pkt_crc(sizeof(p),(uint8_t*)&p);
}