mhu/reflow-oven-control-sw
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Issue #24: Implement new handling for Unstable flag.

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* Unstable flag will now be set, whenever the output of the moving average filter
  differs more than 10 Ohms from the measured prefilterd input.
This commit is contained in:
Mario Hüttel
2021-01-26 21:46:44 +01:00
parent 67b079fe33
commit 20a65fd7f9
2 changed files with 17 additions and 16 deletions
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11
stm-firmware/include/reflow-controller/adc-meas.h
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@@ -44,6 +44,11 @@
*/
#define ADC_PT1000_FILTER_WEIGHT_FAST 0.05
/**
* @brief Difference in Ohm between filter input and output that determines if the filter is stable or unstable.
*/
#define ADC_PT1000_FILTER_UNSTABLE_DIFF 10
/**
* @brief ADC channel number of PT1000 sensor input
*/
@@ -64,12 +69,6 @@
*/
#define ADC_PT1000_PIN 2U
/**
* @brief The cycle count the moving average filter is labeled 'instable' after startup of the measurement or changing
* the alpha value @ref ADC_PT1000_FILTER_WEIGHT
*/
#define ADC_FILTER_STARTUP_CYCLES 800U
/**
* @brief The delay value programmed into the sample timer
*/