mhu/reflow-oven-control-sw
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Merge branch 'dev' into ui

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Mario Hüttel
2020-05-16 21:08:24 +02:00
parent 6c013d5aa3 e97092042b
commit c18acba48b
9 changed files with 318 additions and 24 deletions
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5
stm-firmware/include/reflow-controller/adc-meas.h
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@@ -24,6 +24,11 @@
#include <stdbool.h>
#include <stdint.h>
#include <stm32/stm32f4xx.h>
/*If this is changed, change DMA code to fit the channel assignment! */
#define ADC_PT1000_PERIPH ADC3
#define ADC_PT1000_DMA2_STREAM0_CHANNEL 2
/**
* @brief Moving average filter coefficient for PT1000 measurement
*/

31
stm-firmware/include/reflow-controller/periph-config/safety-adc-hwcfg.h Normal file
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@@ -0,0 +1,31 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SAFETY_ADC_HWCFG_H__
#define __SAFETY_ADC_HWCFG_H__
#include <stm32/stm32f4xx.h>
#define SAFETY_ADC_ADC_PERIPHERAL ADC1
#define SAFETY_ADC_ADC_RCC_MASK RCC_APB2ENR_ADC1EN
#define TEMP_CHANNEL_NUM (16)
#define INT_REF_CHANNEL_NUM (17)
#endif /* __SAFETY_ADC_HWCFG_H__ */

64
stm-firmware/include/reflow-controller/safety-adc.h Normal file
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@@ -0,0 +1,64 @@
/* Reflow Oven Controller
*
* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
*
* This file is part of the Reflow Oven Controller Project.
*
* The reflow oven controller is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* The Reflow Oven Control Firmware is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the reflow oven controller project.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __SAFETY_ADC_H__
#define __SAFETY_ADC_H__
#include <stdint.h>
#include <stdbool.h>
#define SAFETY_ADC_FRAC_BITS (8)
#define SAFETY_ADC_VREF_VOLT (2.5)
#define SAFETY_ADC_VREF_TOL (0.25)
#define SAFETY_ADC_VREF_INT ()
enum safety_adc_meas_channel {SAFETY_ADC_MEAS_VREF, SAFETY_ADC_MEAS_TEMP};
enum safety_adc_check_result {
SAFETY_ADC_CHECK_OK = 0UL,
SAFETY_ADC_CHECK_VREF_LOW = (1U<<0),
SAFETY_ADC_CHECK_VREF_HIGH = (1U<<1),
SAFETY_ADC_CHECK_TEMP_LOW = (1U<<2),
SAFETY_ADC_CHECK_TEMP_HIGH = (1U<<3),
};
void safety_adc_init();
void safety_adc_deinit();
void safety_adc_trigger_meas(enum safety_adc_meas_channel measurement);
/**
* @brief Poll ADC result.
* @param results adc results
* @return 1 if measurement successful, 0 if not ready, -1 if ADC aborted or not started
*/
int safety_adc_poll_result(uint16_t *adc_result);
enum safety_adc_check_result safety_adc_check_results(uint16_t vref_result, uint16_t temp_result,
float *vref_calculated, float *temp_calculated);
enum safety_adc_check_result handle_safety_adc();
float safety_adc_get_temp();
float safety_adc_get_vref();
#endif /* __SAFETY_ADC_H__ */