/**
  @page DAC_OneChannelDMA_Escalator DAC_OneChannelDMA_Escalator
  
  @verbatim
  ******************** (C) COPYRIGHT 2009 STMicroelectronics *******************
  * @file    DAC/OneChannelDMA_Escalator/readme.txt 
  * @author  MCD Application Team
  * @version V3.1.2
  * @date    09/28/2009
  * @brief   Description of the DAC one channel DMA escalator 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.
  ******************************************************************************
   @endverbatim

@par Example Description 

This example describes how to use one DAC channel mode with DMA to generate an
escalator signal on DAC channel1 outpout.

DAC channel1 conversion is configured to be triggered by TIM6 TRGO triggers and
without noise/triangle wave generation. 8bit right data alignement is selected
since we choose to acces DAC_DHR8R1 register.
DMA2 channel3 is configured to transfer continuously, byte by byte, a 6-byte
buffer to the DAC1 register DAC_DHR8R1.

The transfered 6bytes buffer is made to have an escalator signal on DAC channel1
output. DAC channel1 is then enabled. Once TIM6 is enabled, each TIM6 TRGO update
event generate a DMA request which transfer data  to the DAC1 register and DAC
conversion is started. The escalator signal can be visualized by connecting PA.04
pin to an oscilloscope.

@par Directory contents 

  - DAC/OneChannelDMA_Escalator/stm32f10x_conf.h     Library Configuration file
  - DAC/OneChannelDMA_Escalator/stm32f10x_it.c       Interrupt handlers
  - DAC/OneChannelDMA_Escalator/stm32f10x_it.h       Header for stm32f10x_it.c
  - DAC/OneChannelDMA_Escalator/main.c               Main program

@par Hardware and Software environment 

  - This example runs on STM32F10x Connectivity line and High-Density Devices.
  
  - This example has been tested with STMicroelectronics STM3210C-EVAL (STM32F10x 
    Connectivity line) and STM3210E-EVAL (STM32F10x High-Density) evaluation 
    boards and can be easily tailored to any other supported device and 
    development board.

  - STM3210C-EVAL Set-up 
    - Connect PA.04 pin to an oscilloscope
        
  - STM3210E-EVAL Set-up 
    - Connect PA.04 pin to an oscilloscope
    
@par How to use it ? 

In order to make the program work, you must do the following:
- Create a project and setup all project configuration
- Add the required Library files:
  - stm32f10x_dac.c 
  - stm32f10x_dma.c 
  - stm32f10x_gpio.c 
  - stm32f10x_rcc.c
  - stm32f10x_tim.c
  - system_stm32f10x.c (under Libraries\CMSIS\Core\CM3)
      
- Edit stm32f10x.h file to select the device you are working on.
  
@b Tip: You can tailor the provided project template to run this example, for 
        more details please refer to "stm32f10x_stdperiph_lib_um.chm" user 
        manual; select "Peripheral Examples" then follow the instructions 
        provided in "How to proceed" section.   
- Link all compiled files and load your image into target memory
- Run the example

@note
 - Low-density devices are STM32F101xx and STM32F103xx microcontrollers where
   the Flash memory density ranges between 16 and 32 Kbytes.
 - Medium-density devices are STM32F101xx and STM32F103xx microcontrollers where
   the Flash memory density ranges between 32 and 128 Kbytes.
 - High-density devices are STM32F101xx and STM32F103xx microcontrollers where
   the Flash memory density ranges between 256 and 512 Kbytes.
 - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers.
    
 * <h3><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h3>
 */
