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Start implementation of PT1000 ADC measurement

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This commit is contained in:
Mario Hüttel
2020-02-02 01:49:37 +01:00
parent f9eb3c676b
commit 02a673546e
5 changed files with 145 additions and 1 deletions
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10
stm-firmware/include/adc-meas.h
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@@ -3,6 +3,7 @@
#include <stdbool.h>
#include <stdint.h>
#include <stm32f4xx.h>
/**
* @brief Moving average filter coefficient for PT1000 measurement
*/
@@ -13,6 +14,13 @@
*/
#define ADC_PT1000_CHANNEL 2
#define ADC_PT1000_PORT GPIOA
#define ADC_PT1000_PORT_RCC_MASK RCC_AHB1ENR_GPIOAEN
#define ADC_PT1000_PIN 2
#define ADC_FILTER_STARTUP_CYCLES 200
/**
* @brief Lower value for valid input range for PT1000 measurement
*
@@ -112,4 +120,6 @@ void adc_pt1000_convert_raw_value_array_to_resistance(float *resistance_dest, ui
*/
enum adc_p1000_error adc_pt1000_check_error();
void adc_pt1000_clear_error();
#endif // __ADCMEAS_H__

11
stm-firmware/include/stm32-gpio-macros.h Normal file
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@@ -0,0 +1,11 @@
#ifndef __STM32GPIOMACROS_H__
#define __STM32GPIOMACROS_H__
#define OUTPUT(pin) (0x01U << (pin * 2))
#define PULLUP(pin) (0x1U << (pin* 2))
#define ALTFUNC(pin) ((0x2) << (pin * 2))
#define PINMASK(pin) ((0x3) << (pin * 2))
#define SETAF(PORT,PIN,AF) PORT->AFR[(PIN < 8 ? 0 : 1)] |= AF << ((PIN < 8 ? PIN : (PIN - 8)) * 4)
#define ANALOG(pin) (0x03 << (pin * 2))
#endif /* __STM32GPIOMACROS_H__ */