switch pll on

Inc/stm32g0xx_hal_conf.h

@@ -55,7 +55,7 @@ extern "C" {
 /* #define HAL_SMBUS_MODULE_ENABLED   */
 /* #define HAL_SPI_MODULE_ENABLED   */
 /* #define HAL_TIM_MODULE_ENABLED   */
-/* #define HAL_UART_MODULE_ENABLED   */
+#define HAL_UART_MODULE_ENABLED
 /* #define HAL_USART_MODULE_ENABLED   */
 /* #define HAL_WWDG_MODULE_ENABLED   */
 #define HAL_GPIO_MODULE_ENABLED

Inc/stm32g0xx_it.h

@@ -51,6 +51,8 @@ void HardFault_Handler(void);
 void SVC_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void DMA1_Channel1_IRQHandler(void);
+void DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Makefile

@@ -1,208 +1,210 @@
-##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [4.2.0-B44] date: [Thu Apr 17 14:18:12 CEST 2025] 
-##########################################################################################################################
-
-# ------------------------------------------------
-# Generic Makefile (based on gcc)
-#
-# ChangeLog :
-#	2017-02-10 - Several enhancements + project update mode
-#   2015-07-22 - first version
-# ------------------------------------------------
-
-######################################
-# target
-######################################
-TARGET = Parafraktor
-
-
-######################################
-# building variables
-######################################
-# debug build?
-DEBUG = 1
-# optimization
-OPT = -Og
-
-
-#######################################
-# paths
-#######################################
-# Build path
-BUILD_DIR = build
-
-######################################
-# source
-######################################
-# C sources
-C_SOURCES =  \
-Src/main.c \
-Src/stm32g0xx_it.c \
-Src/stm32g0xx_hal_msp.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_tim.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_tim_ex.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_rcc.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_rcc_ex.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_ll_rcc.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_flash.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_flash_ex.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_gpio.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_dma.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_dma_ex.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_ll_dma.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_pwr.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_pwr_ex.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_cortex.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal.c \
-Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_exti.c \
-Drivers/RTT/RTT/SEGGER_RTT.c \
-Drivers/RTT/RTT/SEGGER_RTT_printf.c \
-Drivers/RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c \
-Src/system_stm32g0xx.c
-
-# ASM sources
-ASM_SOURCES =  \
-startup_stm32g0b1xx.s
-
-# ASM sources
-ASMM_SOURCES = 
-
-
-#######################################
-# binaries
-#######################################
-PREFIX = arm-none-eabi-
-# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)
-# either it can be added to the PATH environment variable.
-ifdef GCC_PATH
-CC = $(GCC_PATH)/$(PREFIX)gcc
-AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp
-CP = $(GCC_PATH)/$(PREFIX)objcopy
-SZ = $(GCC_PATH)/$(PREFIX)size
-else
-CC = $(PREFIX)gcc
-AS = $(PREFIX)gcc -x assembler-with-cpp
-CP = $(PREFIX)objcopy
-SZ = $(PREFIX)size
-endif
-HEX = $(CP) -O ihex
-BIN = $(CP) -O binary -S
- 
-#######################################
-# CFLAGS
-#######################################
-# cpu
-CPU = -mcpu=cortex-m0plus
-
-# fpu
-# NONE for Cortex-M0/M0+/M3
-
-# float-abi
-
-
-# mcu
-MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
-
-# macros for gcc
-# AS defines
-AS_DEFS = 
-
-# C defines
-C_DEFS =  \
--DUSE_HAL_DRIVER \
--DSTM32G0B1xx
-
-
-# AS includes
-AS_INCLUDES = 
-
-# C includes
-C_INCLUDES =  \
--IInc \
--IDrivers/STM32G0xx_HAL_Driver/Inc \
--IDrivers/STM32G0xx_HAL_Driver/Inc/Legacy \
--IDrivers/CMSIS/Device/ST/STM32G0xx/Include \
--IDrivers/CMSIS/Include \
--IDrivers/RTT/Config \
--IDrivers/RTT/RTT
-
-
-# compile gcc flags
-ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
-
-CFLAGS += $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
-
-ifeq ($(DEBUG), 1)
-CFLAGS += -g -gdwarf-2
-endif
-
-
-# Generate dependency information
-CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
-
-
-#######################################
-# LDFLAGS
-#######################################
-# link script
-LDSCRIPT = STM32G0B1VETx_FLASH.ld
-
-# libraries
-LIBS = -lc -lm -lnosys 
-LIBDIR = 
-LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
-
-# default action: build all
-all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
-	echo $(CFLAGS) | sed -E 's/ /\n/g' > compile_flags.txt
-
-
-#######################################
-# build the application
-#######################################
-# list of objects
-OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
-vpath %.c $(sort $(dir $(C_SOURCES)))
-# list of ASM program objects
-OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
-vpath %.s $(sort $(dir $(ASM_SOURCES)))
-OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASMM_SOURCES:.S=.o)))
-vpath %.S $(sort $(dir $(ASMM_SOURCES)))
-
-$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) 
-	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
-
-$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
-	$(AS) -c $(CFLAGS) $< -o $@
-$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
-	$(AS) -c $(CFLAGS) $< -o $@
-
-$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
-	$(CC) $(OBJECTS) $(LDFLAGS) -o $@
-	$(SZ) $@
-
-$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
-	$(HEX) $< $@
-	
-$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
-	$(BIN) $< $@	
-	
-$(BUILD_DIR):
-	mkdir $@		
-
-#######################################
-# clean up
-#######################################
-clean:
-	-rm -fR $(BUILD_DIR)
-
-program: clean all
-	#gdb-multiarch bin/stm32_executable.elf -ex "target extended-remote :3333" -ex "monitor rtt stop" -ex "load" -ex "b main" -ex "c" -ex "n" -ex "monitor rtt start" -ex "detach" -ex "exit"
-	gdb-multiarch build/Parafraktor.elf -ex "target extended-remote :2331" -ex "monitor reset" -ex "load" -ex "monitor go" -ex "detach" -ex "exit"
-  
-#######################################
-# dependencies
-#######################################
--include $(wildcard $(BUILD_DIR)/*.d)
-
-# *** EOF ***
+##########################################################################################################################
+# File automatically-generated by tool: [projectgenerator] version: [4.2.0-B44] date: [Wed Apr 23 15:55:28 CEST 2025] 
+##########################################################################################################################
+
+# ------------------------------------------------
+# Generic Makefile (based on gcc)
+#
+# ChangeLog :
+#	2017-02-10 - Several enhancements + project update mode
+#   2015-07-22 - first version
+# ------------------------------------------------
+
+######################################
+# target
+######################################
+TARGET = Parafraktor
+
+
+######################################
+# building variables
+######################################
+# debug build?
+DEBUG = 1
+# optimization
+OPT = -Og
+
+
+#######################################
+# paths
+#######################################
+# Build path
+BUILD_DIR = build
+
+######################################
+# source
+######################################
+# C sources
+C_SOURCES =  \
+Src/main.c \
+Src/stm32g0xx_it.c \
+Src/stm32g0xx_hal_msp.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_tim.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_tim_ex.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_rcc.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_rcc_ex.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_ll_rcc.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_flash.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_flash_ex.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_gpio.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_dma.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_dma_ex.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_ll_dma.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_pwr.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_pwr_ex.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_cortex.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_exti.c \
+Drivers/RTT/RTT/SEGGER_RTT.c \
+Drivers/RTT/RTT/SEGGER_RTT_printf.c \
+Drivers/RTT/Syscalls/SEGGER_RTT_Syscalls_GCC.c \
+Src/system_stm32g0xx.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_uart.c \
+Drivers/STM32G0xx_HAL_Driver/Src/stm32g0xx_hal_uart_ex.c
+
+# ASM sources
+ASM_SOURCES =  \
+startup_stm32g0b1xx.s
+
+# ASM sources
+ASMM_SOURCES = 
+
+
+#######################################
+# binaries
+#######################################
+PREFIX = arm-none-eabi-
+# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)
+# either it can be added to the PATH environment variable.
+ifdef GCC_PATH
+CC = $(GCC_PATH)/$(PREFIX)gcc
+AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp
+CP = $(GCC_PATH)/$(PREFIX)objcopy
+SZ = $(GCC_PATH)/$(PREFIX)size
+else
+CC = $(PREFIX)gcc
+AS = $(PREFIX)gcc -x assembler-with-cpp
+CP = $(PREFIX)objcopy
+SZ = $(PREFIX)size
+endif
+HEX = $(CP) -O ihex
+BIN = $(CP) -O binary -S
+ 
+#######################################
+# CFLAGS
+#######################################
+# cpu
+CPU = -mcpu=cortex-m0plus
+
+# fpu
+# NONE for Cortex-M0/M0+/M3
+
+# float-abi
+
+
+# mcu
+MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
+
+# macros for gcc
+# AS defines
+AS_DEFS = 
+
+# C defines
+C_DEFS =  \
+-DUSE_HAL_DRIVER \
+-DSTM32G0B1xx
+
+
+# AS includes
+AS_INCLUDES = 
+
+# C includes
+C_INCLUDES =  \
+-IInc \
+-IDrivers/STM32G0xx_HAL_Driver/Inc \
+-IDrivers/STM32G0xx_HAL_Driver/Inc/Legacy \
+-IDrivers/CMSIS/Device/ST/STM32G0xx/Include \
+-IDrivers/CMSIS/Include \
+-IDrivers/RTT/Config \
+-IDrivers/RTT/RTT
+
+
+# compile gcc flags
+ASFLAGS = $(MCU) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+CFLAGS += $(MCU) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+ifeq ($(DEBUG), 1)
+CFLAGS += -g -gdwarf-2
+endif
+
+
+# Generate dependency information
+CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
+
+
+#######################################
+# LDFLAGS
+#######################################
+# link script
+LDSCRIPT = STM32G0B1VETx_FLASH.ld
+
+# libraries
+LIBS = -lc -lm -lnosys 
+LIBDIR = 
+LDFLAGS = $(MCU) -specs=nano.specs -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
+
+# default action: build all
+all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+	echo $(CFLAGS) | sed -E 's/ /\n/g' > compile_flags.txt
+
+
+#######################################
+# build the application
+#######################################
+# list of objects
+OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
+vpath %.c $(sort $(dir $(C_SOURCES)))
+# list of ASM program objects
+OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
+vpath %.s $(sort $(dir $(ASM_SOURCES)))
+OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASMM_SOURCES:.S=.o)))
+vpath %.S $(sort $(dir $(ASMM_SOURCES)))
+
+$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) 
+	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
+
+$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
+	$(AS) -c $(CFLAGS) $< -o $@
+$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
+	$(AS) -c $(CFLAGS) $< -o $@
+
+$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
+	$(CC) $(OBJECTS) $(LDFLAGS) -o $@
+	$(SZ) $@
+
+$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
+	$(HEX) $< $@
+	
+$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
+	$(BIN) $< $@	
+	
+$(BUILD_DIR):
+	mkdir $@		
+
+#######################################
+# clean up
+#######################################
+clean:
+	-rm -fR $(BUILD_DIR)
+
+program: clean all
+	#gdb-multiarch bin/stm32_executable.elf -ex "target extended-remote :3333" -ex "monitor rtt stop" -ex "load" -ex "b main" -ex "c" -ex "n" -ex "monitor rtt start" -ex "detach" -ex "exit"
+	gdb-multiarch build/Parafraktor.elf -ex "target extended-remote :2331" -ex "monitor reset" -ex "load" -ex "monitor go" -ex "detach" -ex "exit"
+  
+#######################################
+# dependencies
+#######################################
+-include $(wildcard $(BUILD_DIR)/*.d)
+
+# *** EOF ***

Parafraktor.ioc

@@ -2,33 +2,61 @@
 CAD.formats=
 CAD.pinconfig=
 CAD.provider=
+Dma.Request0=USART1_RX
+Dma.RequestsNb=1
+Dma.USART1_RX.0.Direction=DMA_PERIPH_TO_MEMORY
+Dma.USART1_RX.0.EventEnable=DISABLE
+Dma.USART1_RX.0.Instance=DMA1_Channel1
+Dma.USART1_RX.0.MemDataAlignment=DMA_MDATAALIGN_BYTE
+Dma.USART1_RX.0.MemInc=DMA_MINC_ENABLE
+Dma.USART1_RX.0.Mode=DMA_NORMAL
+Dma.USART1_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
+Dma.USART1_RX.0.PeriphInc=DMA_PINC_DISABLE
+Dma.USART1_RX.0.Polarity=HAL_DMAMUX_REQ_GEN_RISING
+Dma.USART1_RX.0.Priority=DMA_PRIORITY_LOW
+Dma.USART1_RX.0.RequestNumber=1
+Dma.USART1_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,SignalID,Polarity,RequestNumber,SyncSignalID,SyncPolarity,SyncEnable,EventEnable,SyncRequestNumber
+Dma.USART1_RX.0.SignalID=NONE
+Dma.USART1_RX.0.SyncEnable=DISABLE
+Dma.USART1_RX.0.SyncPolarity=HAL_DMAMUX_SYNC_NO_EVENT
+Dma.USART1_RX.0.SyncRequestNumber=1
+Dma.USART1_RX.0.SyncSignalID=NONE
 File.Version=6
 GPIO.groupedBy=
 KeepUserPlacement=false
 Mcu.CPN=STM32G0B1VET6
 Mcu.Family=STM32G0
-Mcu.IP0=NVIC
-Mcu.IP1=RCC
-Mcu.IP2=SYS
-Mcu.IPNb=3
+Mcu.IP0=DMA
+Mcu.IP1=NVIC
+Mcu.IP2=RCC
+Mcu.IP3=SYS
+Mcu.IP4=USART1
+Mcu.IPNb=5
 Mcu.Name=STM32G0B1V(B-C-E)Tx
 Mcu.Package=LQFP100
 Mcu.Pin0=PF0-OSC_IN (PF0)
 Mcu.Pin1=PF1-OSC_OUT (PF1)
-Mcu.Pin2=VP_SYS_VS_Systick
-Mcu.Pin3=VP_SYS_VS_DBSignals
-Mcu.PinsNb=4
+Mcu.Pin2=PC4
+Mcu.Pin3=PC5
+Mcu.Pin4=VP_SYS_VS_Systick
+Mcu.Pin5=VP_SYS_VS_DBSignals
+Mcu.PinsNb=6
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32G0B1VETx
 MxCube.Version=6.10.0
 MxDb.Version=DB.6.0.100
+NVIC.DMA1_Channel1_IRQn=true\:0\:0\:false\:false\:true\:false\:true\:true
 NVIC.ForceEnableDMAVector=true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SVC_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:true
 NVIC.SysTick_IRQn=true\:3\:0\:false\:false\:true\:false\:true\:false
+PC4.Mode=Asynchronous
+PC4.Signal=USART1_TX
+PC5.Mode=Asynchronous
+PC5.Signal=USART1_RX
 PF0-OSC_IN\ (PF0).Mode=HSE-External-Oscillator
 PF0-OSC_IN\ (PF0).Signal=RCC_OSC_IN
 PF1-OSC_OUT\ (PF1).Mode=HSE-External-Oscillator
@@ -64,50 +92,53 @@ ProjectManager.ToolChainLocation=
 ProjectManager.UAScriptAfterPath=
 ProjectManager.UAScriptBeforePath=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false
-RCC.ADCFreq_Value=8000000
-RCC.AHBFreq_Value=8000000
-RCC.APBFreq_Value=8000000
-RCC.APBTimFreq_Value=8000000
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_USART1_UART_Init-USART1-false-HAL-true
+RCC.ADCFreq_Value=32000000
+RCC.AHBFreq_Value=32000000
+RCC.APBFreq_Value=32000000
+RCC.APBTimFreq_Value=32000000
 RCC.CECFreq_Value=32786.88524590164
-RCC.CortexFreq_Value=8000000
+RCC.CortexFreq_Value=32000000
 RCC.EXTERNAL_CLOCK_VALUE=48000
-RCC.FCLKCortexFreq_Value=8000000
-RCC.FDCANFreq_Value=8000000
+RCC.FCLKCortexFreq_Value=32000000
+RCC.FDCANFreq_Value=32000000
 RCC.FamilyName=M
-RCC.HCLKFreq_Value=8000000
+RCC.HCLKFreq_Value=32000000
 RCC.HSE_VALUE=8000000
 RCC.HSI48_VALUE=48000000
 RCC.HSI_VALUE=16000000
-RCC.I2C1Freq_Value=8000000
-RCC.I2C2Freq_Value=8000000
-RCC.I2S1Freq_Value=8000000
-RCC.I2S2Freq_Value=8000000
+RCC.I2C1Freq_Value=32000000
+RCC.I2C2Freq_Value=32000000
+RCC.I2S1Freq_Value=32000000
+RCC.I2S2Freq_Value=32000000
 RCC.IPParameters=ADCFreq_Value,AHBFreq_Value,APBFreq_Value,APBTimFreq_Value,CECFreq_Value,CortexFreq_Value,EXTERNAL_CLOCK_VALUE,FCLKCortexFreq_Value,FDCANFreq_Value,FamilyName,HCLKFreq_Value,HSE_VALUE,HSI48_VALUE,HSI_VALUE,I2C1Freq_Value,I2C2Freq_Value,I2S1Freq_Value,I2S2Freq_Value,LPTIM1Freq_Value,LPTIM2Freq_Value,LPUART1Freq_Value,LPUART2Freq_Value,LSCOPinFreq_Value,LSE_VALUE,LSI_VALUE,MCO1PinFreq_Value,MCO2PinFreq_Value,PLLPoutputFreq_Value,PLLQoutputFreq_Value,PLLRCLKFreq_Value,PLLSourceVirtual,PWRFreq_Value,SYSCLKFreq_VALUE,SYSCLKSource,TIM15Freq_Value,TIM1Freq_Value,USART1Freq_Value,USART2Freq_Value,USART3Freq_Value,USBFreq_Value,VCOInputFreq_Value,VCOOutputFreq_Value
-RCC.LPTIM1Freq_Value=8000000
-RCC.LPTIM2Freq_Value=8000000
-RCC.LPUART1Freq_Value=8000000
-RCC.LPUART2Freq_Value=8000000
+RCC.LPTIM1Freq_Value=32000000
+RCC.LPTIM2Freq_Value=32000000
+RCC.LPUART1Freq_Value=32000000
+RCC.LPUART2Freq_Value=32000000
 RCC.LSCOPinFreq_Value=32000
 RCC.LSE_VALUE=32768
 RCC.LSI_VALUE=32000
-RCC.MCO1PinFreq_Value=8000000
-RCC.MCO2PinFreq_Value=8000000
+RCC.MCO1PinFreq_Value=32000000
+RCC.MCO2PinFreq_Value=32000000
 RCC.PLLPoutputFreq_Value=32000000
 RCC.PLLQoutputFreq_Value=32000000
 RCC.PLLRCLKFreq_Value=32000000
 RCC.PLLSourceVirtual=RCC_PLLSOURCE_HSE
-RCC.PWRFreq_Value=8000000
-RCC.SYSCLKFreq_VALUE=8000000
-RCC.SYSCLKSource=RCC_SYSCLKSOURCE_HSE
-RCC.TIM15Freq_Value=8000000
-RCC.TIM1Freq_Value=8000000
-RCC.USART1Freq_Value=8000000
-RCC.USART2Freq_Value=8000000
-RCC.USART3Freq_Value=8000000
+RCC.PWRFreq_Value=32000000
+RCC.SYSCLKFreq_VALUE=32000000
+RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
+RCC.TIM15Freq_Value=32000000
+RCC.TIM1Freq_Value=32000000
+RCC.USART1Freq_Value=32000000
+RCC.USART2Freq_Value=32000000
+RCC.USART3Freq_Value=32000000
 RCC.USBFreq_Value=48000000
 RCC.VCOInputFreq_Value=8000000
 RCC.VCOOutputFreq_Value=64000000
+USART1.BaudRate=9600
+USART1.IPParameters=VirtualMode-Asynchronous,BaudRate
+USART1.VirtualMode-Asynchronous=VM_ASYNC
 VP_SYS_VS_DBSignals.Mode=DisableDeadBatterySignals
 VP_SYS_VS_DBSignals.Signal=SYS_VS_DBSignals
 VP_SYS_VS_Systick.Mode=SysTick

Src/main.c

@@ -18,12 +18,12 @@
 /* USER CODE END Header */
 /* Includes ------------------------------------------------------------------*/
 #include "main.h"
-#include "SEGGER_RTT.h"
-#include <stdio.h>
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
-
+#include "SEGGER_RTT.h"
+#include "stm32g0b1xx.h"
+#include <stdio.h>
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -42,6 +42,8 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+UART_HandleTypeDef huart1;
+DMA_HandleTypeDef hdma_usart1_rx;
 
 /* USER CODE BEGIN PV */
 
@@ -50,6 +52,8 @@
 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
+static void MX_DMA_Init(void);
+static void MX_USART1_UART_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -65,23 +69,44 @@ static void MX_GPIO_Init(void);
   */
 int main(void)
 {
+  /* USER CODE BEGIN 1 */
+  SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL);
+  printf("Moin!\n");
+  /* USER CODE END 1 */
+
   /* MCU Configuration--------------------------------------------------------*/
 
   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
   HAL_Init();
 
+  /* USER CODE BEGIN Init */
+
+  /* USER CODE END Init */
+
   /* Configure the system clock */
   SystemClock_Config();
 
+  /* USER CODE BEGIN SysInit */
+
+  /* USER CODE END SysInit */
+
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
+  MX_DMA_Init();
+  MX_USART1_UART_Init();
+  /* USER CODE BEGIN 2 */
 
-  SEGGER_RTT_ConfigUpBuffer(0, NULL, NULL, 0, SEGGER_RTT_MODE_BLOCK_IF_FIFO_FULL);
-  printf("Moin!\n");
+  /* USER CODE END 2 */
 
+  /* Infinite loop */
+  /* USER CODE BEGIN WHILE */
   while (1)
   {
+    /* USER CODE END WHILE */
+
+    /* USER CODE BEGIN 3 */
   }
+  /* USER CODE END 3 */
 }
 
 /**
@@ -102,7 +127,13 @@ void SystemClock_Config(void)
   */
   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
-  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
+  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+  RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
+  RCC_OscInitStruct.PLL.PLLN = 8;
+  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
+  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
   {
     Error_Handler();
@@ -112,17 +143,84 @@ void SystemClock_Config(void)
   */
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                               |RCC_CLOCKTYPE_PCLK1;
-  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSE;
+  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
 
-  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
+  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
   {
     Error_Handler();
   }
 }
 
 /**
+  * @brief USART1 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_USART1_UART_Init(void)
+{
+
+  /* USER CODE BEGIN USART1_Init 0 */
+
+  /* USER CODE END USART1_Init 0 */
+
+  /* USER CODE BEGIN USART1_Init 1 */
+
+  /* USER CODE END USART1_Init 1 */
+  huart1.Instance = USART1;
+  huart1.Init.BaudRate = 9600;
+  huart1.Init.WordLength = UART_WORDLENGTH_8B;
+  huart1.Init.StopBits = UART_STOPBITS_1;
+  huart1.Init.Parity = UART_PARITY_NONE;
+  huart1.Init.Mode = UART_MODE_TX_RX;
+  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
+  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
+  huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
+  huart1.Init.ClockPrescaler = UART_PRESCALER_DIV1;
+  huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
+  if (HAL_UART_Init(&huart1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_SetTxFifoThreshold(&huart1, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_SetRxFifoThreshold(&huart1, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_UARTEx_DisableFifoMode(&huart1) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN USART1_Init 2 */
+
+  /* USER CODE END USART1_Init 2 */
+
+}
+
+/**
+  * Enable DMA controller clock
+  */
+static void MX_DMA_Init(void)
+{
+
+  /* DMA controller clock enable */
+  __HAL_RCC_DMA1_CLK_ENABLE();
+
+  /* DMA interrupt init */
+  /* DMA1_Channel1_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
+  /* DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn interrupt configuration */
+  HAL_NVIC_SetPriority(DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn, 0, 0);
+  HAL_NVIC_EnableIRQ(DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn);
+
+}
+
+/**
   * @brief GPIO Initialization Function
   * @param None
   * @retval None
@@ -134,6 +232,7 @@ static void MX_GPIO_Init(void)
 
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOF_CLK_ENABLE();
+  __HAL_RCC_GPIOC_CLK_ENABLE();
 
 /* USER CODE BEGIN MX_GPIO_Init_2 */
 /* USER CODE END MX_GPIO_Init_2 */

Src/stm32g0xx_hal_msp.c

@@ -24,6 +24,7 @@
 /* USER CODE BEGIN Includes */
 
 /* USER CODE END Includes */
+extern DMA_HandleTypeDef hdma_usart1_rx;
 
 /* Private typedef -----------------------------------------------------------*/
 /* USER CODE BEGIN TD */
@@ -81,6 +82,102 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+* @brief UART MSP Initialization
+* This function configures the hardware resources used in this example
+* @param huart: UART handle pointer
+* @retval None
+*/
+void HAL_UART_MspInit(UART_HandleTypeDef* huart)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
+  if(huart->Instance==USART1)
+  {
+  /* USER CODE BEGIN USART1_MspInit 0 */
+
+  /* USER CODE END USART1_MspInit 0 */
+
+  /** Initializes the peripherals clocks
+  */
+    PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
+    PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
+    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    /* Peripheral clock enable */
+    __HAL_RCC_USART1_CLK_ENABLE();
+
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    /**USART1 GPIO Configuration
+    PC4     ------> USART1_TX
+    PC5     ------> USART1_RX
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+    GPIO_InitStruct.Alternate = GPIO_AF1_USART1;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+    /* USART1 DMA Init */
+    /* USART1_RX Init */
+    hdma_usart1_rx.Instance = DMA1_Channel1;
+    hdma_usart1_rx.Init.Request = DMA_REQUEST_USART1_RX;
+    hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
+    hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
+    hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
+    hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
+    hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
+    hdma_usart1_rx.Init.Mode = DMA_NORMAL;
+    hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
+    if (HAL_DMA_Init(&hdma_usart1_rx) != HAL_OK)
+    {
+      Error_Handler();
+    }
+
+    __HAL_LINKDMA(huart,hdmarx,hdma_usart1_rx);
+
+  /* USER CODE BEGIN USART1_MspInit 1 */
+
+  /* USER CODE END USART1_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief UART MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param huart: UART handle pointer
+* @retval None
+*/
+void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
+{
+  if(huart->Instance==USART1)
+  {
+  /* USER CODE BEGIN USART1_MspDeInit 0 */
+
+  /* USER CODE END USART1_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_USART1_CLK_DISABLE();
+
+    /**USART1 GPIO Configuration
+    PC4     ------> USART1_TX
+    PC5     ------> USART1_RX
+    */
+    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_4|GPIO_PIN_5);
+
+    /* USART1 DMA DeInit */
+    HAL_DMA_DeInit(huart->hdmarx);
+  /* USER CODE BEGIN USART1_MspDeInit 1 */
+
+  /* USER CODE END USART1_MspDeInit 1 */
+  }
+
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

Src/stm32g0xx_it.c

@@ -55,7 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern DMA_HandleTypeDef hdma_usart1_rx;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -140,6 +140,34 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32g0xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles DMA1 channel 1 interrupt.
+  */
+void DMA1_Channel1_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Channel1_IRQn 0 */
+
+  /* USER CODE END DMA1_Channel1_IRQn 0 */
+  HAL_DMA_IRQHandler(&hdma_usart1_rx);
+  /* USER CODE BEGIN DMA1_Channel1_IRQn 1 */
+
+  /* USER CODE END DMA1_Channel1_IRQn 1 */
+}
+
+/**
+  * @brief This function handles DMA1 Ch4 to Ch7, DMA2 Ch1 to Ch5 and DMAMUX1 Overrun Interrupts.
+  */
+void DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQHandler(void)
+{
+  /* USER CODE BEGIN DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn 0 */
+
+  /* USER CODE END DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn 0 */
+
+  /* USER CODE BEGIN DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn 1 */
+
+  /* USER CODE END DMA1_Ch4_7_DMA2_Ch1_5_DMAMUX1_OVR_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */