void FlightSimClass::update(void)
{
uint8_t len, maxlen, type, buf[64], *p;
uint16_t id;
while (recv(buf)) {
p = buf;
maxlen = 64;
do {
len = p[0];
if (len < 2 || len > maxlen) break;
switch (p[1]) {
case 0x02: // write data
if (len < 10) break;
id = p[2] | (p[3] << 8);
type = p[4];
if (type == 1) {
FlightSimInteger *item = FlightSimInteger::find(id);
if (!item) break;
item->update(*(long *)(p + 6));
} else if (type == 2) {
FlightSimFloat *item = FlightSimFloat::find(id);
if (!item) break;
item->update(*(float *)(p + 6));
}
break;
case 0x03: // enable/disable
if (len < 4) break;
switch (p[2]) {
case 1:
request_id_messages = 1;
case 2:
enable();
frameCount++;
break;
case 3:
disable();
}
}
p += len;
maxlen -= len;
} while (p < buf + 64);
}
if (enabled && request_id_messages) {
request_id_messages = 0;
for (FlightSimCommand *p = FlightSimCommand::first; p; p = p->next) {
p->identify();
}
for (FlightSimInteger *p = FlightSimInteger::first; p; p = p->next) {
p->identify();
// TODO: send any dirty data
}
for (FlightSimFloat *p = FlightSimFloat::first; p; p = p->next) {
p->identify();
// TODO: send any dirty data
}
}
}
void FlightSimClass::update(void)
{
uint8_t len, maxlen, type, *p, *end;
union {
uint8_t b[4];
long l;
float f;
} data;
usb_packet_t *rx_packet;
uint16_t id;
while (1) {
if (!usb_configuration) break;
rx_packet = usb_rx(FLIGHTSIM_RX_ENDPOINT);
if (!rx_packet) break;
p = rx_packet->buf;
end = p + 64;
maxlen = 64;
do {
len = p[0];
if (len < 2 || len > maxlen) break;
switch (p[1]) {
case 0x02: // write data
if (len < 10) break;
id = p[2] | (p[3] << 8);
type = p[4];
if (type == 1) {
FlightSimInteger *item = FlightSimInteger::find(id);
if (!item) break;
#ifdef KINETISK
data.l = *(long *)(p + 6);
#else
data.b[0] = p[6];
data.b[1] = p[7];
data.b[2] = p[8];
data.b[3] = p[9];
#endif
item->update(data.l);
} else if (type == 2) {
FlightSimFloat *item = FlightSimFloat::find(id);
if (!item) break;
#ifdef KINETISK
data.f = *(float *)(p + 6);
#else
data.b[0] = p[6];
data.b[1] = p[7];
data.b[2] = p[8];
data.b[3] = p[9];
#endif
item->update(data.f);
/// JB
} else if (type == 3) {
FlightSimEvent *item = FlightSimEvent::find(id);
if (!item) break;
#ifdef KINETISK
data.l = *(long *)(p + 6);
#else
data.b[0] = p[6];
data.b[1] = p[7];
data.b[2] = p[8];
data.b[3] = p[9];
#endif
item->update(data.f);
} else if (type == 4) {
FlightSimData *item = FlightSimData::find(id);
if (!item) break;
item->update(((char*)p)+6,len-6);
/// JB End
}
break;
case 0x03: // enable/disable
if (len < 4) break;
switch (p[2]) {
case 1:
request_id_messages = 1;
/* no break */
case 2:
enable();
frameCount++;
break;
case 3:
disable();
}
}
p += len;
maxlen -= len;
} while (p < end);
usb_free(rx_packet);
}
if (enabled && request_id_messages) {
request_id_messages = 0;
for (FlightSimCommand *p = FlightSimCommand::first; p; p = p->next) {
p->identify();
}
/// JB
for (FlightSimEvent *p = FlightSimEvent::first; p; p = p->next) {
p->identify();
}
for (FlightSimData *p = FlightSimData::first; p; p=p->next) {
p->identify();
}
/// JB End
for (FlightSimInteger *p = FlightSimInteger::first; p; p = p->next) {
p->identify();
// TODO: send any dirty data
}
for (FlightSimFloat *p = FlightSimFloat::first; p; p = p->next) {
p->identify();
// TODO: send any dirty data
}
}
}