FEATURE: Finished implementaton of pressure input channels

Core/Inc/git_rev.h

@@ -7,6 +7,6 @@
 
 // Auto generated header file containing the last git revision
 
-#define GIT_HASH "ff0aed1"
+#define GIT_HASH "56a7d25"
 
 #endif //FLOATPUMP_GIT_REVISION_TEMPLATE_H

Core/Src/main.cpp

@@ -14,6 +14,7 @@
 #include "Menu_Entry_Type_Time.h"
 #include "Config_Store.h"
 #include "Menu_Controller.h"
+#include "PressureChannel.h"
 
 #define SLAVE_ADDRESS_LCD 0x4e
 
@@ -87,12 +88,10 @@ int main(void) {
     Menu mainmenu("Hauptmenu");
     Menu_Entry_Type_Checkable entry1bool(false), entry2bool(false);
 
-    bool l_calib = false, h_calib = false;
+    bool l_calib, h_calib = false;
-    uint16_t lcb = 0, hcb = 4096;
-    uint8_t perc = 50;
     uint8_t cur_perc = 0;
-
     uint32_t  current = 0;
+    uint16_t prescaler = 0;
 
     entry1bool.linkConfig(&l_calib);
     entry2bool.linkConfig(&h_calib);
@@ -122,14 +121,14 @@ int main(void) {
     HAL_GPIO_WritePin(MPWR0_GPIO_Port, MPWR0_Pin, GPIO_PIN_SET);
     HAL_GPIO_WritePin(MPWR2_GPIO_Port, MPWR2_Pin, GPIO_PIN_SET);
 
-    uint16_t timed_tp = 0;
+
-    uint16_t averaging[25];
+    floatpump::io::PressureChannel channel(&hadc1, MPWR0_GPIO_Port, MPWR0_Pin);
-    int index_avg = 0;
 
 
     static int old_pos = 0;
     while (1) {
 
+        //render menu
         controller.execute();
         if (rot_button) {
             rot_button = false;
@@ -145,42 +144,27 @@ int main(void) {
         }
         HAL_Delay(100);
 
-        timed_tp++;
 
-            //Execute each second
+        if(l_calib)
+            channel.calibrateLow();
 
-            uint32_t measured, avg = 0;
+        if(h_calib)
+            channel.calibrateHigh();
 
-            HAL_ADC_Start(&hadc1);
-            HAL_ADC_PollForConversion(&hadc1, 1);
-            measured = HAL_ADC_GetValue(&hadc1);
-
-            averaging[index_avg % 25] = measured;
-
-            for(int i = 0; i < 25; i++) {
-                avg += averaging[i];
-            }
-
-            current = avg/25;
-            index_avg++;
-
-            //calibrate
-
-            if(l_calib) {
         l_calib = false;
-                lcb = current - 10;
-            }
-
-            if(h_calib) {
         h_calib = false;
-                hcb = current + 10;
-            }
 
-            cur_perc = ((current - lcb) *100)/(hcb-lcb);
+        prescaler++;
 
-            if(cur_perc > perc + 5) {
+        if(prescaler % 100 == 0)
+            channel.poll();
+
+        current = channel.getRaw();
+        cur_perc = channel.getPercent();
+
+            if(cur_perc > 50) {
                 HAL_GPIO_WritePin(OCHAN0_GPIO_Port, OCHAN0_Pin, GPIO_PIN_SET);
-            } else if(cur_perc < perc - 5) {
+            } else if(cur_perc < 45) {
                 HAL_GPIO_WritePin(OCHAN0_GPIO_Port, OCHAN0_Pin, GPIO_PIN_RESET);
             }
     }

Middlewares/floatpump/Inc/InputChannel.h

@@ -1,67 +0,0 @@
-//
-// Created by robtor on 10.01.23.
-//
-
-#ifndef FLOATPUMP_INPUTCHANNEL_H
-#define FLOATPUMP_INPUTCHANNEL_H
-
-#include <cstdint>
-#include "stm32f4xx_hal.h"
-
-namespace floatpump {
-    namespace io {
-
-        class InputChannel {
-
-        public:
-            InputChannel(ADC_HandleTypeDef *adc, GPIO_TypeDef *gpio, uint16_t port) : m_adc(adc), m_gpio(gpio), m_gpio_port(port) {};
-
-            void poll() {
-                //Enable measuring power
-                HAL_GPIO_WritePin(m_gpio, m_gpio_port, GPIO_PIN_SET);
-                HAL_Delay(m_cooldown);
-
-                uint16_t average = 0;
-
-                for(int i = 0; i < m_avg_size; i++) {
-                    HAL_Delay(m_avg_delay);
-                    HAL_ADC_Start(m_adc);
-                    HAL_ADC_PollForConversion(m_adc, m_avg_delay);
-                    average += HAL_ADC_GetValue(m_adc);
-                }
-
-                m_raw = average / m_avg_size;
-
-                m_percent = ((m_raw - m_lowcalib)*100)/(m_highcalib-m_lowcalib);
-            }
-
-            uint16_t getRaw() {
-                return m_raw;
-            }
-
-            int8_t getPercent() {
-                return m_percent;
-            }
-
-
-        private:
-            const uint16_t m_avg_size = 50;
-            const uint16_t m_avg_delay = 10;
-            const uint16_t m_cooldown = 500;
-
-            uint16_t m_lowcalib = 0;
-            uint16_t m_highcalib = 65535;
-
-            uint16_t m_raw = 0;
-            int8_t m_percent = 0;
-
-            ADC_HandleTypeDef *m_adc;
-            GPIO_TypeDef *m_gpio;
-            uint16_t m_gpio_port;
-
-        };
-
-    } // floatpump
-} // io
-
-#endif //FLOATPUMP_INPUTCHANNEL_H

Middlewares/floatpump/Inc/PressureChannel.h

@@ -0,0 +1,50 @@
+//
+// Created by robtor on 10.01.23.
+//
+
+#ifndef FLOATPUMP_PRESSURECHANNEL_H
+#define FLOATPUMP_PRESSURECHANNEL_H
+
+#include <cstdint>
+#include "stm32f4xx_hal.h"
+
+namespace floatpump::io {
+
+    class PressureChannel {
+
+    public:
+        PressureChannel(ADC_HandleTypeDef *adc, GPIO_TypeDef *gpio, uint16_t port, const uint16_t avg_size = 50);;
+
+        void poll();
+
+        [[nodiscard]] uint16_t getRaw() const;
+
+        [[nodiscard]] int8_t getPercent() const;
+
+        [[maybe_unused]] void calibrateManualLow(uint16_t low);
+
+        [[maybe_unused]] void calibrateManualHigh(uint16_t high);
+
+        void calibrateLow();
+
+        void calibrateHigh();
+
+    private:
+        const uint16_t m_avg_size = 50;
+        const uint16_t m_avg_delay = 10;
+        const uint16_t m_cooldown = 500;
+
+        uint16_t m_lowcalib = 0;
+        uint16_t m_highcalib = 65535;
+
+        uint16_t m_raw = 0;
+        int8_t m_percent = 0;
+
+        ADC_HandleTypeDef *m_adc;
+        GPIO_TypeDef *m_gpio;
+        uint16_t m_gpio_port;
+    };
+
+} // io
+
+#endif //FLOATPUMP_PRESSURECHANNEL_H

Middlewares/floatpump/Src/InputChannel.cpp

@@ -1,11 +0,0 @@
-//
-// Created by robtor on 10.01.23.
-//
-
-#include "InputChannel.h"
-
-namespace floatpump {
-    namespace io {
-
-    } // floatpump
-} // io

Middlewares/floatpump/Src/PressureChannel.cpp

@@ -0,0 +1,61 @@
+//
+// Created by robtor on 10.01.23.
+//
+
+#include "PressureChannel.h"
+
+namespace floatpump::io {
+
+    void PressureChannel::poll() {
+        //Enable measuring power
+        HAL_GPIO_WritePin(m_gpio, m_gpio_port, GPIO_PIN_SET);
+        HAL_Delay(m_cooldown);
+
+        uint32_t average = 0;
+
+        for (int i = 0; i < m_avg_size; i++) {
+            HAL_Delay(m_avg_delay);
+            HAL_ADC_Start(m_adc);
+            HAL_ADC_PollForConversion(m_adc, m_avg_delay);
+            average += HAL_ADC_GetValue(m_adc);
+        }
+
+        HAL_GPIO_WritePin(m_gpio, m_gpio_port, GPIO_PIN_RESET);
+
+
+        m_raw = average / m_avg_size;
+
+        m_percent = (int8_t) (((m_raw - m_lowcalib) * 100) / (m_highcalib - m_lowcalib));
+
+    }
+
+    PressureChannel::PressureChannel(ADC_HandleTypeDef *adc, GPIO_TypeDef *gpio, uint16_t port,
+                                     const uint16_t avg_size) : m_adc(adc), m_gpio(gpio), m_gpio_port(port),
+                                                                m_avg_size(avg_size) {}
+
+    uint16_t PressureChannel::getRaw() const {
+        return m_raw;
+    }
+
+    int8_t PressureChannel::getPercent() const {
+        return m_percent;
+    }
+
+    void PressureChannel::calibrateManualLow(uint16_t low) {
+        m_lowcalib = low;
+    }
+
+    void PressureChannel::calibrateManualHigh(uint16_t high) {
+        m_highcalib = high;
+    }
+
+    void PressureChannel::calibrateLow() {
+        poll();
+        m_lowcalib = m_raw;
+    }
+
+    void PressureChannel::calibrateHigh() {
+        poll();
+        m_highcalib = m_raw;
+    }
+}