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diff --git a/src/stm32lib/examples/TIM/DMA/readme.txt b/src/stm32lib/examples/TIM/DMA/readme.txt new file mode 100755 index 0000000..8d0eb63 --- /dev/null +++ b/src/stm32lib/examples/TIM/DMA/readme.txt @@ -0,0 +1,70 @@ +/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
+* File Name : readme.txt
+* Author : MCD Application Team
+* Version : V2.0.1
+* Date : 06/13/2008
+* Description : Description of the TIM DMA 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 provides a description of how to use DMA with TIM1 Update request
+to transfer Data from memory to TIM1 Capture Compare Register3.
+
+TIM1CLK = 72 MHz, Prescaler = 0, TIM1 counter clock = 72 MHz
+The TIM1 Channel3 is configured to generate a complementary PWM signal with
+a frequency equal to: TIM1 counter clock / (TIM1_Period + 1) = 17.57 KHz
+
+The TIM1 Channel3 is configured to generate a complementary PWM signal with
+a frequency equal to 17.578 KHz and a variable duty cycle that is changed
+by the DMA after a specific number of Update event.
+The number of this repetitive requests is defined by the TIM1 Repetion counter,
+each 3 Update Requests, the TIM1 Channel3 Duty Cycle changes to the next new value
+defined by the SRC_Buffer.
+
+
+Directory contents
+==================
+stm32f10x_conf.h Library Configuration file
+stm32f10x_it.c Interrupt handlers
+stm32f10x_it.h Interrupt handlers header file
+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.
+There is no need for any modification when switching between these two boards.
+
+Connect the pins
+ - TIM1 CH3 (PA.10)
+ - TIM1 CH3N (PB.15)
+to an oscilloscope to monitor the different waveforms.
+
+
+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_tim.c
+ + stm32F10x_gpio.c
+ + stm32F10x_rcc.c
+ + stm32F10x_dma.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******
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