gistfile1.txt

void loop() {
	unsigned long cmicros = micros();
	unsigned long cmillis = millis();
	static unsigned long last_read = cmillis;
	static unsigned long last_print = cmillis;
	#define BB 300
	unsigned long buf_us[BB+1];
	float buf_v[BB+1];
	float pbuf_v[BB+1];
	float pbuf_slv[BB+1];
	float buf_slv[BB+1];

	#define TEST_TIMING_PULLUP
	#ifdef TEST_TIMING_PULLUP
	if (cmillis-last_read > 150) {
		cmicros = micros();
		pinMode(IN1PIN, INPUT);
		for (int i=0; i<BB; i++) {
			buf_us[i] = micros();
			buf_v[i] = analogRead(IN1PIN);
			delayMicroseconds(20);
		}
		#define CHOP BB/2
		/* I'm leaving in this extra code in for other processing I was experimenting with. */
		for (int i=0; i<CHOP; i++) {
			pbuf_v[i]=buf_v[i];
		}
		for (int i=0; i<CHOP; i++) {
			pbuf_slv[i]=buf_slv[i];
		}
		for (int i=1; i<CHOP; i++)
			pbuf_slv[i] = pbuf_slv[i] - (pbuf_slv[i-1]-buf_slv[i])/3;
		/* slowv = buf_v[0]; */
		/* for (int i=0; i<BB/8; i++) { */
		/* 	slowv = slowv + (buf_v[i]-slowv)/3; */
		/* 	buf_slv[i]=slowv; */
		/* } */
		for (int i=0; i<CHOP; i+=4) {
			/* sp("us:"); spt(buf_us[i]-cmicros); */
			sp("v:"); spt(1 * buf_v[i]);
			/* sp("slv:"); spt(buf_slv[i]); */
			/* sp("dslv:"); spl(pbuf_slv[i]-pbuf_slv[i]); */
			spl("");
		}
		/* lastv = buf_v[BB-1]; */
		/* for (int i=0; i<3; i++) { */
		/* 	lastv += analogRead(IN1PIN); */
		/* 	delayMicroseconds(1000); */
		/* } */
		pinMode(IN1PIN, OUTPUT);
		digitalWrite(IN1PIN, LOW);
		last_read = cmillis;
		return;

		smoothv = (float)smoothv + (float)(lastv-smoothv)/3;
		slowv = (float)slowv + (float)(lastv-slowv)/8;
		basev = (float)basev + (float)(lastv-basev)/98;
		last_read = cmillis;
		if (cmillis-last_print > 20) {
			/* sp("us:"); spt(cmillis-last_print); */
			sp("v:"); spl(lastv-basev);
			/* sp("smv:"); spt(smoothv-basev); */
			/* sp("slv:"); spl(slowv-basev); */
			/* spl("Hit 0"); */
			/* pinMode(IN1PIN, OUTPUT); */
			/* digitalWrite(IN1PIN, LOW); */
			last_print = cmillis;
		}
	}
	return;
	#endif