Initial commit of library code, moved from leaftest repo

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+/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************

+* File Name          : readme.txt

+* Author             : MCD Application Team

+* Version            : V2.0.1

+* Date               : 06/13/2008

+* Description        : Description of the USART Printf Example.

+********************************************************************************

+* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

+* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.

+* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,

+* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE

+* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING

+* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

+*******************************************************************************/

+

+Example description

+===================

+This example shows how to retarget the C library printf function to the USART. 

+This implementation output the printf message on the Hyperterminal using USARTx.

+USARTx can be USART1, USART2, USART3, UART4 or UART5; to select the USART 

+interface to be used uncomment the '#define USE_USARTx' line in 'platform_config.h'

+file.

+

+The USARTx is configured as follow:

+    - BaudRate = 115200 baud  

+    - Word Length = 8 Bits

+    - One Stop Bit

+    - No parity

+    - Hardware flow control disabled (RTS and CTS signals)

+    - Receive and transmit enabled

+

+

+Directory contents

+==================

+platform_config.h    Evaluation board specific configuration file

+stm32f10x_conf.h     Library Configuration file

+stm32f10x_it.h       Interrupt handlers header file

+stm32f10x_it.c       Interrupt handlers

+main.c               Main program

+

+

+Hardware environment

+====================

+This example runs on STMicroelectronics STM3210B-EVAL and STM3210E-EVAL evaluation

+boards and can be easily tailored to any other hardware.

+To select the STMicroelectronics evaluation board used to run the example, uncomment

+the corresponding line in platform_config.h file.

+

+ + The USARTx signals (Rx, Tx) must be connected to a DB9 connector using a RS232

+   transceiver. 

+ 

+ + Connect a null-modem female/female RS232 cable between the DB9 connector 

+   and PC serial port. 

+

+ + STM3210B-EVAL 

+    - Connect a null-modem female/female RS232 cable between the DB9 connector 

+      (CN6 for USART1, CN5 for USART2 in the STM3210B-EVAL board) 

+      and PC serial port.

+ 

+ + STM3210E-EVAL

+    - Connect a null-modem female/female RS232 cable between the DB9 connector 

+      (CN12 for USART1, CN8 for USART2 in the STM3210E-EVAL board) 

+      and PC serial port.

+ 

+

+ - Hyperterminal configuration:

+    - Word Length = 8 Bits

+    - One Stop Bit

+    - No parity

+    - BaudRate = 115200 baud

+    - flow control: None 

+

+

+How to use it

+=============

+In order to make the program work, you must do the following :

+- Create a project and setup all your toolchain's start-up files

+- Compile the directory content files and required Library files :

+  + stm32f10x_lib.c

+  + stm32f10x_usart.c

+  + stm32f10x_gpio.c

+  + stm32f10x_rcc.c

+  + stm32f10x_nvic.c

+  + stm32f10x_flash.c

+    

+- Link all compiled files and load your image into target memory

+- Run the example

+

+******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE******