示例#1
0
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
		}
	}
}
示例#2
0
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
		}
	}
}