enabled float printout for stm32

CMakeLists.txt

@@ -163,6 +163,12 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
             "-Wl,--gc-sections"
         )
     endif()
+
+    if(TGT_BSP MATCHES "arm/stm32h743zi-nucleo")
+        target_link_options(${TARGET_NAME} PRIVATE
+            -Wl,--undefined,_printf_float -Wl,--undefined,_scanf_float
+        )
+    endif()
 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
 endif()
 

common/stm32_nucleo/STM32TestTask.cpp

@@ -28,7 +28,7 @@ ReturnValue_t STM32TestTask::performOneShotAction() {
 
 void STM32TestTask::performSpiL3gd20hTest() {
     SPI_HandleTypeDef spiHandle = {};
-    GyroL3GD20H gyroDevice(&spiHandle, spi::TransferModes::DMA);
+    GyroL3GD20H gyroDevice(&spiHandle, spi::TransferModes::INTERRUPT);
     gyroDevice.initialize();
     gyroDevice.performOperation();
 }