ctdo
/
crashtest-r0ket
16
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
crashtest-r0ket/firmware/l0dable/r_player.c

442 lines
10 KiB
C
Raw Blame History

#include <sysinit.h>
#include "basic/basic.h"
#include "basic/byteorder.h"
#include "lcd/lcd.h"
#include "lcd/print.h"
#include "funk/nrf24l01p.h"
//includes useful for r_game:
//#include "usbcdc/usb.h"
//#include "usbcdc/usbcore.h"
//#include "usbcdc/usbhw.h"
//#include "usbcdc/cdcuser.h"
//#include "usbcdc/cdc_buf.h"
//#include "usbcdc/util.h"
#include <string.h>
#include "basic/random.h"
#include "usetable.h"
#define REMOTE_CHANNEL 81
//mac that the player receives
#define PLAYER_MAC "\x1\x2\x3\x2\x1"
//mac that the game receives
#define GAME_MAC "\x1\x2\x3\x2\x1"
//#if CFG_USBMSC
//#error "MSC is defined"
//#endif
//#if !CFG_USBCDC
//#error "CDC is not defined"
//#endif
struct NRF_CFG config;
struct packet{
uint8_t len;
uint8_t protocol;
uint8_t command;
uint32_t id;
uint32_t ctr;
//union with 19 bytes data
union content{
struct button{
uint8_t button;
uint8_t reserved[18];
}__attribute__((packed)) button;
struct text{
uint8_t x;
uint8_t y;
uint8_t flags;
uint8_t text[16];
}__attribute__((packed)) text;
struct nick{
uint8_t flags;
uint8_t text[18];
}__attribute__((packed)) nick;
struct nickrequest{
uint8_t reserved[19];
}__attribute__((packed)) nickrequest;
struct ack{
uint8_t flags;
uint8_t reserved[18];
}__attribute__((packed)) 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];
}__attribute__((packed)) announce;
struct join{
uint32_t gameId;
uint8_t reserved[15];
}__attribute__((packed)) join;
}c;
uint16_t crc;
}__attribute__((packed));
#define sizeof(p) (sizeof(struct packet))
#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 */
/* Values of buf[3]:
* B: packet sent by player, contain information which button is pressed
* 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(uint32_t game);
void processPacket(struct packet *p);
void processAnnounce(struct announce *a);
uint8_t selectGame();
void playGame();
struct announce games[7];
uint8_t gamecount;
void ram(void)
{
config.nrmacs=1;
config.maclen[0] = 32;
id = getRandom();
ctr = 1;
while( selectGame() ){
playGame();
}
};
void playGame(void)
{
int len;
struct packet p;
while(1){
uint8_t button = getInputRaw();
sendButton(button);
while(1){
len = nrf_rcv_pkt_time(30,sizeof(p),(uint8_t*)&p);
if(len==sizeof(p)){
processPacket(&p);
}else{
break;
}
}
delayms(20);
};
}
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;
lcdClear();
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;
int r = nrf_snd_pkt_crc(sizeof(p),(uint8_t*)&p);
lcdPrint("send: "); lcdPrintInt(r);lcdPrintln("");
lcdRefresh();
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;
int a = 0;
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<60;i++){
len= nrf_rcv_pkt_time(30, sizeof(p), (uint8_t*)&p);
if (len==sizeof(p)){
if( a ) a = 0; else a = 1;
gpioSetValue (RB_LED2, a);
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==32) && (p->protocol=='G') && (p->id == id || p->id == 0) ){ //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)
{
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(sizeof(p),(uint8_t*)&p);
}
//send join request for game
void sendJoin(uint32_t 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;
nrf_snd_pkt_crc(sizeof(p),(uint8_t*)&p);
}
/*
void s_init(void){
usbCDCInit();
nrf_init();
struct NRF_CFG config = {
.channel= REMOTE_CHANNEL,
.txmac= REMOTE_MAC,
.nrmacs=1,
.mac0= REMOTE_MAC,
.maclen ="\x10",
};
nrf_config_set(&config);
};
*/
/* void process(uint8_t * input){
__attribute__ ((aligned (4))) uint8_t buf[32];
puts("process: ");
puts(input);
puts("\r\n");
if(input[0]=='M'){
buf[0]=0x10; // Length: 16 bytes
buf[1]='M'; // Proto
buf[2]=0x01;
buf[3]=0x01; // Unused
uint32touint8p(0,buf+4);
uint32touint8p(0x41424344,buf+8);
buf[12]=0xff; // salt (0xffff always?)
buf[13]=0xff;
nrf_snd_pkt_crc_encr(16,buf,remotekey);
nrf_rcv_pkt_start();
};
};
*/
/*
#define INPUTLEN 99
void r_recv(void){
__attribute__ ((aligned (4))) uint8_t buf[32];
int len;
uint8_t input[INPUTLEN+1];
int inputptr=0;
nrf_rcv_pkt_start();
puts("D start");
getInputWaitRelease();
while(!getInputRaw()){
delayms(100);
// Input
int l=INPUTLEN-inputptr;
CDC_OutBufAvailChar (&l);
if(l>0){
CDC_RdOutBuf (input+inputptr, &l);
input[inputptr+l+1]=0;
for(int i=0;i<l;i++){
if(input[inputptr+i] =='\r'){
input[inputptr+i]=0;
process(input);
if(i<l)
memmove(input,input+inputptr+i+1,l-i);
inputptr=-i-1;
break;
};
};
};
inputptr+=l;
len=nrf_rcv_pkt_poll_dec(sizeof(buf),buf,remotekey);
// Receive
if(len<=0){
delayms(10);
continue;
};
if(buf[1]=='C'){ // Cursor
puts("C ");
puts(IntToStrX( buf[2],2 ));
puts(" ");
puts(IntToStrX( uint8ptouint32(buf+4), 8 ));
puts(" ");
puts(IntToStrX( uint8ptouint32(buf+8), 8 ));
}else{
puts("U ");
// puts("[");puts(IntToStrX(len,2));puts("] ");
puts(IntToStrX( *(int*)(buf+ 0),2 ));
puts(" ");
puts(IntToStrX( *(int*)(buf+ 1),2 ));
puts(" ");
puts(IntToStrX( *(int*)(buf+ 2),2 ));
puts(" ");
puts(IntToStrX( *(int*)(buf+ 3),2 ));
puts(" ");
puts(IntToStrX( uint8ptouint32(buf+4),8 ));
puts(".");
puts(IntToStrX( uint8ptouint32(buf+8),8 ));
puts(" ");
puts(IntToStrX( uint8ptouint32(buf+10),4 ));
};
puts("\r\n");
};
nrf_rcv_pkt_end();
puts("D exit");
}
};
*/
Reference in New Issue View Git Blame Copy Permalink