Эксперимент c Printf через UART

F103C8T6.ioc

@@ -10,12 +10,15 @@ Mcu.Family=STM32F1
 Mcu.IP0=NVIC
 Mcu.IP1=RCC
 Mcu.IP2=SYS
-Mcu.IPNb=3
+Mcu.IP3=USART2
+Mcu.IPNb=4
 Mcu.Name=STM32F103C(8-B)Tx
 Mcu.Package=LQFP48
-Mcu.Pin0=VP_SYS_VS_ND
-Mcu.Pin1=VP_SYS_VS_Systick
-Mcu.PinsNb=2
+Mcu.Pin0=PA2
+Mcu.Pin1=PA3
+Mcu.Pin2=VP_SYS_VS_ND
+Mcu.Pin3=VP_SYS_VS_Systick
+Mcu.PinsNb=4
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F103C8Tx
@@ -32,6 +35,10 @@ NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
+PA2.Mode=Asynchronous
+PA2.Signal=USART2_TX
+PA3.Mode=Asynchronous
+PA3.Signal=USART2_RX
 PinOutPanel.RotationAngle=0
 ProjectManager.AskForMigrate=true
 ProjectManager.BackupPrevious=false
@@ -61,7 +68,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5.32
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false
+ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-true,3-MX_USART1_UART_Init-USART1-false-HAL-true
 RCC.ADCFreqValue=32000000
 RCC.AHBFreq_Value=64000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
@@ -81,6 +88,8 @@ RCC.SYSCLKFreq_VALUE=64000000
 RCC.SYSCLKSource=RCC_SYSCLKSOURCE_PLLCLK
 RCC.TimSysFreq_Value=64000000
 RCC.USBFreq_Value=64000000
+USART2.IPParameters=VirtualMode
+USART2.VirtualMode=VM_ASYNC
 VP_SYS_VS_ND.Mode=No_Debug
 VP_SYS_VS_ND.Signal=SYS_VS_ND
 VP_SYS_VS_Systick.Mode=SysTick