int SendPacket(char dest, char* Spacket) {
/*
Packet length = 122 => max 6 frames
split packet into frames, send frame, await acknowledgement
*/
struct frame data[FRAMECOUNT];
int no_frames;
put_number(millis());
put_char('\n');
no_frames = makeframe(&data, dest, Spacket, 0);
put_number(millis());
put_char('\n');
uint8_t *bufptr;
char temp[50];
int i,k, send_complete;
struct frame ack;
unsigned long time;
for(i = 0; i < no_frames; i++) {
send_complete = 0;
char test[FRAMELEN] = "0123456789012345678901234";
while(!send_complete) {
///////////////////send//////////////////////
rfm12_tx(strlen(data[i].frame), 0, (uint8_t*)data[i].frame);
for (uint8_t j = 0; j < 100; j++)
{
//put_string(". ");
rfm12_tick();
_delay_us(500);
}
time = millis() + 500;
while((millis() != time)) {
///////////check for acknowledgemt/////////////////
if(rfm12_rx_status() == STATUS_COMPLETE) {
//send_complete = 1;
bufptr = rfm12_rx_buffer();
for(k = 0; k < (rfm12_rx_len()); k++) {
temp[k] = bufptr[k];
}
temp[rfm12_rx_len()] = '\0';
rfm12_rx_clear();
// put_string("\nRECEIVED: ");
// put_string(temp);
// put_string("\n\n");
////////////////check if acknowledgemnt valid////////////////
if(decode_frame(ack, temp) & (1<<1)) {
//if(ack.checksum[0] == data[i].checksum[0]) {
put_string("\nSend Complete!\n");
send_complete = 1;
break;
//}
}
}
}
if(!send_complete) {
put_string("\nTIMEOUT\n");
}
}
}
/*
for frame in frames:
send_complete = 0;
while not send complete:
send frame
start timer
while timer:
if acknowledgement:
send_complete = 1;
*/
return 0;
}
int SendPacket(char dest, char* Spacket) {
/*
Packet length = 122 => max 6 frames
split packet into frames, send frame, await acknowledgement
*/
put_string("\r\nstring passed to DLL: ");
put_string(Spacket);
struct frame data[FRAMECOUNT];
int no_frames;
no_frames = makeframe(&data, dest, Spacket, 0);
put_string("\r\n\nnumber of frames generated: ");
put_number(no_frames);
uint8_t *bufptr;
char temp[50];
int i,k, send_complete;
struct frame ack;
unsigned long time;
for(i = 0; i < no_frames; i++) {
send_complete = 0;
if((uint8_t)dest != (uint8_t)BROADCAST) {
put_string("\r\nSend message and await acknowledgement: ");
while(!send_complete) {
///////////////////send//////////////////////
put_frame(data[i]);
SendFrame(data[i].frame);
time = millis() + 1000;
while((millis() != time)) {
///////////check for acknowledgemt/////////////////
//put_char(':');
if(ReceiveFrame()) {
//send_complete = 1;
ReceiveFrame(temp);
// bufptr = rfm12_rx_buffer();
// for(k = 0; k < (rfm12_rx_len()); k++) {
// temp[k] = bufptr[k];
// }
// temp[rfm12_rx_len()] = '\0';
// rfm12_rx_clear();
// put_string("\r\nRECEIVED: ");
// put_string(temp);
// put_string("\r\n\r\n");
////////////////check if acknowledgemnt valid////////////////
int check_ack = decode_frame(&ack, temp);
if((check_ack & (1<<1)) && !(check_ack & 1<<2)) {
//if(strcmp(ack.data, data[i].data)) {
put_string("\r\nSend Complete!\r\n");
send_complete = 1;
break;
//}
}
}
}
if(!send_complete) {
put_string("\r\ntimeout\r\n");
}
}
}
else {
put_frame(data[i]);
put_string("\n\rBROADCAST frame now : ");
SendFrame(data[i].frame);
_delay_ms(400);
}
}
/*
for frame in frames:
send_complete = 0;
while not send complete:
send frame
start timer
while timer:
if acknowledgement:
send_complete = 1;
*/
return 0;
}
void main()
{
short val;
int menu, pres;
float p, mx, my;
curmass = 0.5;
curdrag = 0.15;
prefsize(800,640);
initbuzz();
winopen("dynadraw");
glcompat(GLC_OLDPOLYGON,1);
subpixel(1);
shademodel(FLAT);
gconfig();
qdevice(LEFTMOUSE);
qdevice(MIDDLEMOUSE);
qdevice(MENUBUTTON);
qdevice(RIGHTSHIFTKEY);
qdevice(UPARROWKEY);
qdevice(DOWNARROWKEY);
qdevice(RIGHTSHIFTKEY);
makeframe();
menu = defpup("dynadraw %t|toggle line style|save PostScript");
width = initwidth;
mouse.fixedangle = 1;
while(1) {
switch(qread(&val)) {
case REDRAW:
makeframe();
break;
case MIDDLEMOUSE:
if(val)
clearscreen();
break;
case UPARROWKEY:
if(val)
initwidth *= 1.414213;
width = initwidth;
break;
case DOWNARROWKEY:
if(val)
initwidth /= 1.414213;
width = initwidth;
break;
case MENUBUTTON:
if(val) {
switch(dopup(menu)) {
case 1:
mouse.fixedangle = 1-mouse.fixedangle;
break;
case 2:
savepolys();
break;
}
}
break;
case LEFTMOUSE:
if(val) {
my = getmousey();
if(my>0*SLIDERHIGH && my<2*SLIDERHIGH) {
if(my>SLIDERHIGH) {
while(getbutton(LEFTMOUSE)) {
p = paramval();
if(p != curmass) {
curmass = p;
showsettings();
}
}
} else {
while(getbutton(LEFTMOUSE)) {
p = paramval();
if(p != curdrag) {
curdrag = p;
showsettings();
}
}
}
} else {
mx = 1.25*fgetmousex();
my = fgetmousey();
filtersetpos(&mouse,mx,my);
odelx = 0.0;
odely = 0.0;
while(getbutton(LEFTMOUSE)) {
mx = 1.25*fgetmousex();
my = fgetmousey();
if(filterapply(&mouse,mx,my)) {
drawsegment(&mouse);
color(0);
buzz();
}
}
}
}
break;
}
}
}
int RecievePacket(char* Rpacket) {
/*
see http://www.hansinator.de/rfm12lib/ for rfm12b libray details
receive frame, send acknowledgement
if received a frame:
de-bytestuff
check crc
if recipient:
acknowledge
pass to network
*/
int i = 0;
put_string("\r\n>>>Begin receive packet: \r\n");
if (ReceiveFrame()) { //Status complete 1 - passes this section
put_char('.');
uint8_t* bufptr;
char Rframe[50], ackstr[50];
struct frame ack, decode;
struct frame Nrframe[FRAMECOUNT];
struct frame ackarr[FRAMECOUNT];
int Received_Final_frame = 0;
unsigned long timeout = millis() + 20000;
while(!Received_Final_frame && (millis() < timeout)){ //never passes this while statement
//Also maybe add RFM12B tick??
//int Rframe_len;
put_string("Trying to receive data");
if (ReceiveFrame()) { //Status complete 2 - why?
ReceiveFrame(Rframe);
// bufptr = rfm12_rx_buffer();
// put_string("Raw data received: ");
// put_string((char*)bufptr);
// for(uint8_t k = 0; k < (rfm12_rx_len()); k++) {
// Rframe[k] = bufptr[k];
// }
// Rframe[rfm12_rx_len()] = '\0';
// rfm12_rx_clear();
put_string("\r\nRframe: ");
put_string(Rframe);
//strcpy(ackstr, Rframe);
decode = Nrframe[i];
int Rframe_check = decode_frame(&decode, Rframe);
Nrframe[i] = decode;
put_string("\r\nReceived Data: ");
put_frame(Nrframe[i]);
if(Rframe_check & (1<<1)) {
if(Rframe_check & 1<<4) {
Received_Final_frame = 1;
}
put_string("\r\nFrame Number; ");
put_number(i);
/*
frame received, frame for me
acknowledge
*/
if(!(Rframe_check & 1<<5)) {
put_string("\n\r>>>>START MAKE AND SEND ACKNOWLEDGEMENT\r\n");
ackarr[0] = Nrframe[i];
int framecount = makeframe(&ackarr, Nrframe[i].address[0], Nrframe[i].data, 1, 1);
put_string("\r\nNumber of acknowledgement frames generated: ");
put_number(framecount);
put_string("\r\nacknowledgement: ");
put_frame(ackarr[0]);
//_delay_ms(100);
SendFrame(ackarr[0].frame);
// rfm12_tx(strlen(ackarr[0].frame), 0, (uint8_t*)ackarr[0].frame);
// for (uint8_t j = 0; j < 100; j++)
// {
// //put_string(". ");
// rfm12_tick();
// _delay_us(500);
// }
}
i++;
timeout = millis() + 20000;
}
else if(!Rframe_check) {
;
}
else {
break;
}
}
}
if(i && i < FRAMECOUNT) {
put_string("\r\nPacketComplete\n\r");
strcpy(Rpacket, Nrframe[0].data);
for(int l = 1; l<i; l++) {
strcat(Rpacket, Nrframe[l].data);
}
strcat(Rpacket, "\0");
put_string("\r\nReceived packet: ");
put_string(Rpacket);
}
}
put_string("\r\n>>>End ReceivePacket\r\n");
return i;
}
