mhu/reflow-oven-control-sw
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Move ADC_TO_RES macro to header file

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This commit is contained in:
Mario Hüttel 2020-08-11 23:21:14 +02:00
parent cb3c989683
commit a68b9176cb
1 changed files with 15 additions and 0 deletions
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15
stm-firmware/include/reflow-controller/adc-meas.h
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@ -94,6 +94,11 @@
*/ */
#define ADC_PT1000_WATCHDOG_SAMPLE_COUNT 25U #define ADC_PT1000_WATCHDOG_SAMPLE_COUNT 25U
/**
* @brief Conversion macro: ADC value to resistance
*/
#define ADC_TO_RES(adc) ((float)(adc) / 4096.0f * 2500.0f)
/** /**
* @brief This function sets up the ADC measurement fo the external PT1000 temperature sensor * @brief This function sets up the ADC measurement fo the external PT1000 temperature sensor
* *
@ -160,6 +165,16 @@ int adc_pt1000_get_current_resistance(float *resistance);
*/ */
int adc_pt1000_stream_raw_value_to_memory(volatile float *adc_array, uint32_t length, volatile int *flag_to_set); int adc_pt1000_stream_raw_value_to_memory(volatile float *adc_array, uint32_t length, volatile int *flag_to_set);
/**
* @brief Convert an array of raw adc values to resistance values
*
* In case \p resistance_dest is NULL, the conversion is done inplace in the
* \p raw_source array.
*
* @param resistance_dest Destination. Maybe NULL.
* @param raw_source Source array
* @param count Number of values to convert
*/
void adc_pt1000_convert_raw_value_array_to_resistance(float *resistance_dest, float *raw_source, uint32_t count); void adc_pt1000_convert_raw_value_array_to_resistance(float *resistance_dest, float *raw_source, uint32_t count);
/** /**