Finished ADC methods

SHAL/Include/Core/SHAL_CORE.h

@@ -22,6 +22,13 @@ void SHAL_init();
 
 //Universal structs and defines ---------------------------
 
+enum class SHAL_Result{
+    OKAY,
+    ERROR
+};
+
+
+
 typedef bool (*condition_fn_t)(void);
 
 #define SHAL_WAIT_FOR_CONDITION_US(cond, timeout_us) \
@@ -31,7 +38,6 @@ typedef bool (*condition_fn_t)(void);
     SHAL_wait_for_condition_ms([&](){ return (cond); }, (timeout_ms))
 
 
-
 //Currently configures systick to count down in microseconds
 void systick_init();
 

SHAL/Include/Peripheral/ADC/Reg/SHAL_ADC_REG.h

@@ -1,8 +0,0 @@
-//
-// Created by Luca on 9/21/2025.
-//
-
-#ifndef SHMINGO_HAL_SHAL_ADC_REG_H
-#define SHMINGO_HAL_SHAL_ADC_REG_H
-
-#endif //SHMINGO_HAL_SHAL_ADC_REG_H

SHAL/Include/Peripheral/ADC/Reg/SHAL_ADC_REG_F072xB.h

@@ -9,12 +9,22 @@
 #include "SHAL_ADC_TYPES.h"
 
 
-enum class ADC_Key{
-
+enum class ADC_Key : uint8_t{
     S_ADC1,
     NUM_ADC,
     INVALID
 };
 
+ADC_TypeDef* getADCRegister(ADC_Key key){
+    switch(key){
+        case ADC_Key::S_ADC1:
+            return ADC1;
+
+        case ADC_Key::NUM_ADC:
+        case ADC_Key::INVALID:
+            return nullptr;
+    }
+    __builtin_unreachable();
+}
 
 #endif //SHMINGO_HAL_SHAL_ADC_REG_F072XB_H

SHAL/Include/Peripheral/ADC/Reg/SHAL_ADC_TYPES.h

@@ -1,8 +0,0 @@
-//
-// Created by Luca on 9/21/2025.
-//
-
-#ifndef SHMINGO_HAL_SHAL_ADC_TYPES_H
-#define SHMINGO_HAL_SHAL_ADC_TYPES_H
-
-#endif //SHMINGO_HAL_SHAL_ADC_TYPES_H

SHAL/Include/Peripheral/ADC/SHAL_ADC.h

@@ -5,13 +5,41 @@
 #ifndef SHMINGO_HAL_SHAL_ADC_H
 #define SHMINGO_HAL_SHAL_ADC_H
 
+#include <cstdint>
+
+#include "SHAL_CORE.h"
+#include "SHAL_ADC_REG.h"
+
 class SHAL_ADC {
 
+    friend class ADCManager;
+
 public:
 
+    SHAL_Result init();
+
+    SHAL_Result calibrate();
+
+    /// Performs analog to digital conversion on a single channel, one time
+    /// \param channel Channel to be converted
+    /// \param time ADC_SampleTime - amount of clock cycles per conversion
+    /// \return resulting value
+    uint16_t singleConvertSingle(ADC_Channel channel, ADC_SampleTime time = ADC_SampleTime::C239);
+
+    /// Performs analog to digital conversion on multiple channels, one time
+    /// \param channels Pointer to an array of channels to convert
+    /// \param numChannels Number of channels to convert
+    /// \param result Pointer to store converted channel results in
+    /// \param time ADC_SampleTime - amount of clock cycles per conversion
+    void singleConvertSingle(ADC_Channel* channels, const int numChannels, uint16_t* result, ADC_SampleTime time = ADC_SampleTime::C239);
+
+
 
 private:
 
+    SHAL_ADC() = default;
+
+    ADC_Key m_ADCKey = ADC_Key::INVALID;
 
 };
 
@@ -23,9 +51,13 @@ class ADCManager{
 
 public:
 
+    static SHAL_ADC& get(ADC_Key key);
+
+    ADCManager() = delete;
 
 private:
 
+    inline static SHAL_ADC m_ADCs[static_cast<uint8_t>(ADC_Key::NUM_ADC)] = {};
 
 };
 

SHAL/Include/Peripheral/ADC/SHAL_ADC_REG.h

@@ -0,0 +1,44 @@
+//
+// Created by Luca on 9/21/2025.
+//
+
+#ifndef SHMINGO_HAL_SHAL_ADC_REG_H
+#define SHMINGO_HAL_SHAL_ADC_REG_H
+
+#if defined(STM32F030x6)
+#include "stm32f030x6.h"
+#elif defined(STM32F030x8)
+#include "stm32f030x8.h"
+#elif defined(STM32F031x6)
+#include "stm32f031x6.h"
+#elif defined(STM32F038xx)
+#include "stm32f038xx.h"
+#elif defined(STM32F042x6)
+#include "stm32f042x6.h"
+#elif defined(STM32F048xx)
+#include "stm32f048xx.h"
+#elif defined(STM32F051x8)
+#include "stm32f051x8.h"
+#elif defined(STM32F058xx)
+#include "stm32f058xx.h"
+#elif defined(STM32F070x6)
+#include "stm32f070x6.h"
+#elif defined(STM32F070xB)
+#include "stm32f070xb.h"
+#elif defined(STM32F071xB)
+#include "stm32f071xb.h"
+#elif defined(STM32F072xB)
+#include "SHAL_ADC_REG_F072xB.h"
+#elif defined(STM32F078xx)
+#include "stm32f078xx.h"
+#elif defined(STM32F091xC)
+  #include "stm32f091xc.h"
+#elif defined(STM32F098xx)
+  #include "stm32f098xx.h"
+#elif defined(STM32F030xC)
+  #include "stm32f030xc.h"
+#else
+ #error "Please select first the target STM32F0xx device used in your application (in stm32f0xx.h file)"
+#endif
+
+#endif //SHMINGO_HAL_SHAL_ADC_REG_H

SHAL/Include/Peripheral/ADC/SHAL_ADC_TYPES.h

@@ -0,0 +1,40 @@
+//
+// Created by Luca on 9/21/2025.
+//
+
+#ifndef SHMINGO_HAL_SHAL_ADC_TYPES_H
+#define SHMINGO_HAL_SHAL_ADC_TYPES_H
+
+enum class ADC_Channel : uint32_t {
+    CH1 = ADC_CHSELR_CHSEL1,
+    CH2 = ADC_CHSELR_CHSEL2,
+    CH3 = ADC_CHSELR_CHSEL3,
+    CH4 = ADC_CHSELR_CHSEL4,
+    CH5 = ADC_CHSELR_CHSEL5,
+    CH6 = ADC_CHSELR_CHSEL6,
+    CH7 = ADC_CHSELR_CHSEL7,
+    CH8 = ADC_CHSELR_CHSEL8,
+    CH9 = ADC_CHSELR_CHSEL9,
+    CH10 = ADC_CHSELR_CHSEL10,
+    CH11 = ADC_CHSELR_CHSEL11,
+    CH12 = ADC_CHSELR_CHSEL12,
+    CH13 = ADC_CHSELR_CHSEL13,
+    CH14 = ADC_CHSELR_CHSEL14,
+    CH15 = ADC_CHSELR_CHSEL15,
+    CHTemp = ADC_CHSELR_CHSEL16,
+    CHRef = ADC_CHSELR_CHSEL17,
+    CHBat = ADC_CHSELR_CHSEL18
+};
+
+enum class ADC_SampleTime : uint32_t {
+    C2          = 0x00, //1.5 cycles per sample
+    C7          = 0x01, //7.5 cycles
+    C13         = 0x02, //13.5 cycles
+    C28         = 0x03, //28.5 cycles
+    C41         = 0x04, //41.5 cycles
+    C55         = 0x05, //55.5 cycles
+    C71         = 0x06, //71.5 cycles
+    C239        = 0x07  //239.5 cycles
+};
+
+#endif //SHMINGO_HAL_SHAL_ADC_TYPES_H

SHAL/Src/Peripheral/ADC/SHAL_ADC.cpp

@@ -1,3 +1,103 @@
 //
 // Created by Luca on 9/21/2025.
 //
+
+#include "SHAL_ADC.h"
+
+//Can hard code registers on F0 because all F0 devices have only one ADC, and use only one clock
+SHAL_Result SHAL_ADC::init() {
+
+    if(m_ADCKey == ADC_Key::INVALID || m_ADCKey == ADC_Key::NUM_ADC){
+        return SHAL_Result::ERROR;
+    }
+
+    ADC_TypeDef* ADC_reg = getADCRegister(m_ADCKey);
+
+
+    RCC->APB2ENR |= RCC_APB2ENR_ADC1EN; //Enable clock
+    RCC->CR2 |= RCC_CR2_HSI14ON; //Start peripheral oscillator
+
+    if(!SHAL_WAIT_FOR_CONDITION_US(((RCC->CR2 & RCC_CR2_HSI14RDY) != 0),50)){ //Wait for clock OKAY
+        return SHAL_Result::ERROR;
+    }
+
+    if((ADC_reg->ISR & ADC_ISR_ADRDY) != 0){ //Set ADRDY to 0
+        ADC_reg->ISR |= ADC_ISR_ADRDY;
+    }
+
+    ADC_reg->CR |= ADC_CR_ADEN; //Enable
+
+    if(!SHAL_WAIT_FOR_CONDITION_US(((ADC_reg->ISR & ADC_ISR_ADRDY) != 0),50)){ //Wait for disable
+        return SHAL_Result::ERROR;
+    }
+
+    if(calibrate() != SHAL_Result::OKAY){ //Calibrate
+        return SHAL_Result::ERROR;
+    }
+
+    return SHAL_Result::OKAY;
+}
+
+SHAL_Result SHAL_ADC::calibrate() {
+
+    if(m_ADCKey == ADC_Key::INVALID || m_ADCKey == ADC_Key::NUM_ADC){
+        return SHAL_Result::ERROR;
+    }
+
+    ADC_TypeDef* ADC_reg = getADCRegister(m_ADCKey);
+
+    if((ADC_reg->CR & ADC_CR_ADEN) != 0){ //Clear ADEN (enable)
+        ADC_reg->CR |= ADC_CR_ADDIS;
+    }
+
+    if(!SHAL_WAIT_FOR_CONDITION_US(((ADC_reg->CR & ADC_CR_ADEN) == 0),50)){ //Wait for disable
+        return SHAL_Result::ERROR;
+    }
+
+    ADC_reg->CFGR1 &= ~ADC_CFGR1_DMAEN; //Clear DMAEN
+    ADC_reg->CR |= ADC_CR_ADCAL; //Launch calibration by setting ADCAL
+
+    if(!SHAL_WAIT_FOR_CONDITION_US(((ADC_reg->CR & ADC_CR_ADCAL) == 0),50)){ //Wait for calibration
+        return SHAL_Result::ERROR;
+    }
+
+    return SHAL_Result::OKAY;
+}
+
+uint16_t SHAL_ADC::singleConvertSingle(ADC_Channel channel, ADC_SampleTime time) {
+
+    ADC_TypeDef* ADC_reg = getADCRegister(m_ADCKey);
+
+    ADC->CCR |= ADC_CCR_VREFEN | ADC_CCR_TSEN; //Enable VREFINT and Temp sensor in global ADC struct
+
+    ADC_reg->CHSELR = static_cast<uint32_t>(channel); //Enable channel for conversion
+    ADC_reg->SMPR |= static_cast<uint32_t>(time); //Set sampling time
+
+    if(!SHAL_WAIT_FOR_CONDITION_US(((ADC_reg->ISR & ADC_ISR_EOC) != 0),500)){ //Wait for conversion
+        return 0; //Failed
+    }
+
+    uint16_t result = ADC_reg->DR;
+    return result;
+}
+
+void SHAL_ADC::singleConvertSingle(ADC_Channel* channels, const int numChannels, uint16_t* result, ADC_SampleTime time) {
+    ADC_TypeDef* ADC_reg = getADCRegister(m_ADCKey);
+
+    ADC->CCR |= ADC_CCR_VREFEN | ADC_CCR_TSEN; //Enable VREFINT and Temp sensor in global ADC struct
+
+    for(int i = 0; i < numChannels; i++){ //Enable all channels
+        ADC_reg->CHSELR = static_cast<uint32_t>(channels[i]);
+    }
+
+    ADC_reg->SMPR |= static_cast<uint32_t>(time); //Set sampling time
+
+
+    for(int i = 0; i < numChannels; i++){
+        if(!SHAL_WAIT_FOR_CONDITION_US(((ADC_reg->ISR & ADC_ISR_EOC) != 0),500)){ //Wait for conversion
+            continue; //Failed
+        }
+
+        result[i] = ADC_reg->DR;
+    }
+}