docs

firmware/controllers/engine_controller.cpp

@@ -82,8 +82,8 @@ EXTERN_ENGINE;
  * CH_FREQUENCY is the number of system ticks in a second
  */
 
-static virtual_timer_t periodicSlowTimer;
-static virtual_timer_t periodicFastTimer;
+static virtual_timer_t periodicSlowTimer; // 20Hz
+static virtual_timer_t periodicFastTimer; // 50Hz
 
 static LoggingWithStorage logger("Engine Controller");
 

firmware/hw_layer/adc_inputs.cpp

@@ -5,7 +5,9 @@
  * We are using two ADC devices here.
  * Slow ADC group is used for IAT, CLT, AFR, VBATT etc - this one is currently sampled at 20Hz
  *
- * Fast ADC group is used for TPS, MAP, MAF HIP
+ * Fast ADC group is used for TPS, MAP, MAF HIP - this one is currently sampled at 10KHz
+ *  We need frequent MAP for averaging
+ *  We need frequent TPS for ???
  *
  * @date Jan 14, 2013
  * @author Andrey Belomutskiy, (c) 2012-2018

firmware/rusefi.cpp

@@ -8,6 +8,9 @@
 
 /**
  * @mainpage
+ * This documentation https://rusefi.com/docs/html/
+ *
+ * For version see engine_controller.cpp getRusEfiVersion
  *
  * @section sec_into
  *
@@ -45,6 +48,13 @@
  * A single tooth primary signal would be a typical example when synchronization is not needed.
  *
  *
+ * @section sec_timers Timers
+ * At the moment rusEfi is build using 5 times:
+ * 1) 1MHz microsecond_timer.cpp
+ * 2) 10KHz fast ADC callback pwmpcb_fast adc_inputs.cpp
+ * 3) slow ADC callback pwmpcb_slow adc_inputs.cpp
+ * 4) periodicFastTimer engine_controller.cpp
+ * 5) periodicSlowTimer engine_controller.cpp
  *
  *
  *