Use 'loop rate' term instead of misleading 'loop frequency'

flix/cli.ino

@@ -53,7 +53,7 @@ const struct Param {
 	{"lpr", &ratesFilter.alpha, nullptr},
 	{"lpd", &rollRatePID.lpf.alpha, &pitchRatePID.lpf.alpha},
 
-	{"ss", &loopFreq, nullptr},
+	{"ss", &loopRate, nullptr},
 	{"dt", &dt, nullptr},
 	{"t", &t, nullptr},
 };
@@ -73,7 +73,7 @@ void doCommand(String& command, String& value) {
 		Serial.printf("gyro: %f %f %f\n", rates.x, rates.y, rates.z);
 		Serial.printf("acc: %f %f %f\n", acc.x, acc.y, acc.z);
 		printIMUCal();
-		Serial.printf("frequency: %f\n", loopFreq);
+		Serial.printf("rate: %f\n", loopRate);
 	} else if (command == "rc") {
 		Serial.printf("Raw: throttle %d yaw %d pitch %d roll %d armed %d mode %d\n",
 			channels[RC_CHANNEL_THROTTLE], channels[RC_CHANNEL_YAW], channels[RC_CHANNEL_PITCH],

flix/flix.ino

@@ -25,7 +25,7 @@
 
 float t = NAN; // current step time, s
 float dt; // time delta from previous step, s
-float loopFreq; // loop frequency, Hz
+float loopRate; // loop rate, Hz
 int16_t channels[RC_CHANNELS]; // raw rc channels
 float controls[RC_CHANNELS]; // normalized controls in range [-1..1] ([0..1] for throttle)
 float controlsTime; // time of the last controls update

flix/time.ino

@@ -12,16 +12,16 @@ void step() {
 		dt = 0; // assume dt to be zero on first step and on reset
 	}
 
-	computeLoopFreq();
+	computeLoopRate();
 }
 
-void computeLoopFreq() {
+void computeLoopRate() {
 	static float windowStart = 0;
-	static uint32_t freq = 0;
-	freq++;
+	static uint32_t rate = 0;
+	rate++;
 	if (t - windowStart >= 1) { // 1 second window
-		loopFreq = freq;
+		loopRate = rate;
 		windowStart = t;
-		freq = 0;
+		rate = 0;
 	}
 }