From cc2855d44e90aa2318f5e04298a5697d4a389cab Mon Sep 17 00:00:00 2001
From: fabiangottstein <75617853+fabiangottstein@users.noreply.github.com>
Date: Thu, 19 Dec 2024 10:26:29 +0100
Subject: [PATCH] feat: DigitalToAnalogPinImplStm improvements (#471)

* Define tag types as constexpr

* Zero-initialize handle structure
---
 hal_st/stm32fxxx/DigitalToAnalogPinStm.hpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/hal_st/stm32fxxx/DigitalToAnalogPinStm.hpp b/hal_st/stm32fxxx/DigitalToAnalogPinStm.hpp
index 7f3a2338..7350c165 100644
--- a/hal_st/stm32fxxx/DigitalToAnalogPinStm.hpp
+++ b/hal_st/stm32fxxx/DigitalToAnalogPinStm.hpp
@@ -21,10 +21,9 @@ namespace hal
     public:
 #if defined(DAC_CHIPCONNECT_BOTH)
         // clang-format off
-        static const struct Internal{} internal;
-        static const struct External{} external;
-        static const struct Both{} both;
-
+        static constexpr struct Internal{} internal{};
+        static constexpr struct External{} external{};
+        static constexpr struct Both{} both{};
         // clang-format on
 
         enum struct Channel : uint32_t
@@ -66,7 +65,7 @@ namespace hal
         friend class DigitalToAnalogPinImplStm;
 
         uint8_t index;
-        DAC_HandleTypeDef handle;
+        DAC_HandleTypeDef handle{};
     };
 }