From 266cc46a09afe2be3fb61d98d3faf12e9a96c0d8 Mon Sep 17 00:00:00 2001
From: dvdb97 <dario.vandenboom@rcor.de>
Date: Sun, 16 Jul 2023 21:17:14 +0200
Subject: [PATCH] Added ADC implementation for STM32

---
 include/sta/devices/stm32/adc.hpp | 20 +++++++++++++++++--
 src/devices/stm32/adc.cpp         | 33 +++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 src/devices/stm32/adc.cpp

diff --git a/include/sta/devices/stm32/adc.hpp b/include/sta/devices/stm32/adc.hpp
index b77555f..b1411be 100644
--- a/include/sta/devices/stm32/adc.hpp
+++ b/include/sta/devices/stm32/adc.hpp
@@ -11,10 +11,26 @@ namespace sta
     class STM32ADC
     {
     public:
-        STM32ADC();
+        /** 
+         * @param handle A handle to a STM32 ADC.
+         */
+        STM32ADC(ADC_HandleTypeDef * handle);
 
+        /**
+         * @brief Starts conversion of the incoming analog signal.
+         */
+        void start();
+
+        /**
+         * @brief 
+         * 
+         * @param timeout 
+         */
+        void poll(uint32_t timeout);
+
+        uint32_t getValue();
     private:
-    	
+    	ADC_HandleTypeDef * handle_;
     };    
 } // namespace sta
 
diff --git a/src/devices/stm32/adc.cpp b/src/devices/stm32/adc.cpp
new file mode 100644
index 0000000..01c9eb7
--- /dev/null
+++ b/src/devices/stm32/adc.cpp
@@ -0,0 +1,33 @@
+#include <sta/devices/stm32/adc.hpp>
+
+#ifdef STA_PLATFORM_STM32
+
+#include <sta/debug/assert.hpp>
+
+namespace sta
+{
+    STM32ADC::STM32ADC(ADC_HandleTypeDef * handle)
+        : handle_{handle}
+    {
+        STA_ASSERT(handle != nullptr);
+    }
+
+    void STM32ADC::start()
+    {
+        HAL_ADC_Start(handle_);
+    }
+
+    void STM32ADC::poll(uint32_t timeout)
+    {
+        HAL_StatusTypeDef res = HAL_ADC_PollForConversion(handle_, timeout);
+
+        STA_ASSERT(res == HAL_OK);
+    }
+
+    uint32_t STM32ADC::getValue()
+    {
+        return HAL_ADC_GetValue(handle_);
+    }
+} // namespace sta
+
+#endif // STA_PLATFORM_STM32
\ No newline at end of file