/** @page TIM_6Steps TIM 6 Steps example @verbatim ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* * @file TIM/6Steps/readme.txt * @author MCD Application Team * @version V3.5.0 * @date 08-April-2011 * @brief Description of the TIM 6 Steps 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 shows how to configure the TIM1 peripheral to generate 6 Steps. The STM32F10x TIM1 peripheral offers the possibility to program in advance the configuration for the next TIM1 outputs behaviour (step) and change the configuration of all the channels at the same time. This operation is possible when the COM (commutation) event is used. The COM event can be generated by software by setting the COM bit in the TIM1_EGR register or by hardware (on TRC rising edge). In this example, a software COM event is generated each 100 ms: using the SysTick interrupt. The TIM1 is configured in Timing Mode, each time a COM event occurs, a new TIM1 configuration will be set in advance. The break Polarity is used at High level. The following Table describes the TIM1 Channels states: @verbatim ----------------------------------------------- | Step1 | Step2 | Step3 | Step4 | Step5 | Step6 | ---------------------------------------------------------- |Channel1 | 1 | 0 | 0 | 0 | 0 | 1 | ---------------------------------------------------------- |Channel1N | 0 | 0 | 1 | 1 | 0 | 0 | ---------------------------------------------------------- |Channel2 | 0 | 0 | 0 | 1 | 1 | 0 | ---------------------------------------------------------- |Channel2N | 1 | 1 | 0 | 0 | 0 | 0 | ---------------------------------------------------------- |Channel3 | 0 | 1 | 1 | 0 | 0 | 0 | ---------------------------------------------------------- |Channel3N | 0 | 0 | 0 | 0 | 1 | 1 | ---------------------------------------------------------- @endverbatim @par Directory contents - TIM/6Steps/stm32f10x_conf.h Library Configuration file - TIM/6Steps/stm32f10x_it.c Interrupt handlers - TIM/6Steps/stm32f10x_it.h Interrupt handlers header file - TIM/6Steps/main.c Main program - TIM/6Steps/system_stm32f10x.c STM32F10x system source file @par Hardware and Software environment - This example runs on STM32F10x Connectivity line, High-Density, High-Density Value line, Medium-Density, XL-Density, Medium-Density Value line, Low-Density and Low-Density Value line Devices. - This example has been tested with STMicroelectronics STM32100E-EVAL (High-Density Value line), STM32100B-EVAL (Medium-Density Value line), STM3210C-EVAL (Connectivity line), STM3210E-EVAL (High-Density and XL-Density) and STM3210B-EVAL (Medium-Density) evaluation boards and can be easily tailored to any other supported device and development board. - STM3210C-EVAL Set-up - Connect the TIM1 pins(TIM1 full remapped pins) to an oscilloscope to monitor the different waveforms: - TIM1_CH3 pin (PE.13) - TIM1_CH1N pin (PE.08) - TIM1_CH2 pin (PE.11) - TIM1_CH3N pin (PE.12) - TIM1_CH1 pin (PE.09) - TIM1_CH2N pin (PE.10) - Connect the TIM1 break pin TIM1_BKIN pin (PE.15) to the GND. To generate a break event, switch this pin level from 0V to 3.3V. - STM3210E-EVAL, STM3210B-EVAL, STM32100B-EVAL and STM32100E-EVAL Set-up - Connect the TIM1 pins to an oscilloscope to monitor the different waveforms: - TIM1_CH3 pin (PA.10) - TIM1_CH1N pin (PB.13) - TIM1_CH2 pin (PA.09) - TIM1_CH3N pin (PB.15) - TIM1_CH1 pin (PA.08) - TIM1_CH2N pin (PB.14) - Connect the TIM1 break pin TIM1_BKIN pin (PB.12) to the GND. To generate a break event, switch this pin level from 0V to 3.3V. @par How to use it ? In order to make the program work, you must do the following : - Copy all source files from this example folder to the template folder under Project\STM32F10x_StdPeriph_Template - Open your preferred toolchain - Rebuild all files and load your image into target memory - Run the example @note - Low-density Value line devices are STM32F100xx microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. - Low-density devices are STM32F101xx, STM32F102xx and STM32F103xx microcontrollers where the Flash memory density ranges between 16 and 32 Kbytes. - Medium-density Value line devices are STM32F100xx microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx microcontrollers where the Flash memory density ranges between 64 and 128 Kbytes. - High-density Value line devices are STM32F100xx microcontrollers where the Flash memory density ranges between 256 and 512 Kbytes. - High-density devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 256 and 512 Kbytes. - XL-density devices are STM32F101xx and STM32F103xx microcontrollers where the Flash memory density ranges between 512 and 1024 Kbytes. - Connectivity line devices are STM32F105xx and STM32F107xx microcontrollers. *

© COPYRIGHT 2011 STMicroelectronics

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