AnalogWatchdog

所属分类:单片机开发
开发工具:C/C++
文件大小:12KB
下载次数:0
上传日期:2020-05-20 18:35:35
上 传 者linhaiyuan
说明:  模拟看门狗This example describes how to use the ADC analog watchdog to guard continuously an ADC channel.
(ADC_AnalogWatchdog ADC analog watchdog example)

文件列表:
AnalogWatchdog\main.c (6601, 2011-04-04)
AnalogWatchdog\stm32f10x_conf.h (3242, 2011-04-04)
AnalogWatchdog\stm32f10x_it.c (5200, 2011-04-04)
AnalogWatchdog\stm32f10x_it.h (2159, 2011-04-04)
AnalogWatchdog\system_stm32f10x.c (36583, 2011-04-04)
AnalogWatchdog (0, 2018-12-04)

/** @page ADC_AnalogWatchdog ADC analog watchdog example @verbatim ******************** (C) COPYRIGHT 2011 STMicroelectronics ******************* * @file ADC/AnalogWatchdog/readme.txt * @author MCD Application Team * @version V3.5.0 * @date 08-April-2011 * @brief Description of the ADC analog watchdog 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 the ADC analog watchdog to guard continuously an ADC channel. The ADC1 is configured to convert continuously ADC channel14. The analog watchdog is configured and enabled to guard a single regular channel. Each time the channel14 converted value exceeds programmed analog watchdog high threshold (value 0x0B00) or goes down analog watchdog low threshold (value 0x0300) an AWD interrupt is generated and the output pin connected to LED1 is toggled. The LED will bright as long as the AWD interrupt is generated which means that the converted value of regular ADC channel14 is outside the range limited by high and low analog watchdog thresholds. The ADC1 clock is set to 12 MHz on Value line devices and to 14 MHz on other devices. @par Directory contents - ADC/AnalogWatchdog/stm32f10x_conf.h Library Configuration file - ADC/AnalogWatchdog/stm32f10x_it.c Interrupt handlers - ADC/AnalogWatchdog/stm32f10x_it.h Interrupt handlers header file - ADC/AnalogWatchdog/system_stm32f10x.c STM32F10x system source file - ADC/AnalogWatchdog/main.c Main program @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. To select the STMicroelectronics evaluation board used to run the example, uncomment the corresponding line in stm32_eval.h file (under Utilities\STM32_EVAL) - STM32100E-EVAL - Use LD1 led connected to PF.06 pin - Connect a variable power supply 0-3.3V to ADC Channel14 mapped on pin PC.04 (potentiometer RV1) - STM32100B-EVAL Set-up - Use LED1 led connected to PC.06 pin - Connect a variable power supply 0-3.3V to ADC Channel14 mapped on pin PC.04 (potentiometer RV2) - STM3210C-EVAL Set-up - Use LED1 led connected to PD.07 pin - Connect a variable power supply 0-3.3V to ADC Channel14 mapped on pin PC.04 (potentiometer RV1) - STM3210E-EVAL Set-up - Use LD1 led connected to PF.06 pin - Connect a variable power supply 0-3.3V to ADC Channel14 mapped on pin PC.04 (potentiometer RV1) - STM3210B-EVAL - Use LD1 led connected to PC.06 pin - Connect a variable power supply 0-3.3V to ADC Channel14 mapped on pin PC.04 (potentiometer RV1) @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 *** and 128 Kbytes. - Medium-density devices are STM32F101xx, STM32F102xx and STM32F103xx microcontrollers where the Flash memory density ranges between *** 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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