STMicroelectronics library to handle a hardware timer as a frequency divider.
Fork of ST_FREQUENCY_DIVIDER by
Platform compatibility
- This driver currently provides support for the Nucleo F4 Family, but it has been tested only with the following MCU boards:
hal/stm_divider_api.h
- Committer:
- Davidroid
- Date:
- 2017-07-12
- Revision:
- 2:52d3392d33d3
- Parent:
- 0:f11903264b5e
File content as of revision 2:52d3392d33d3:
/**
******************************************************************************
* @file stm_divider_api.h
* @author AST / Software Platforms and Cloud
* @version V1.0
* @date November 8th, 2016
* @brief Utilities header file for the X_NUCLEO_CCA02M1 expansion board.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __DIVIDER_H
#define __DIVIDER_H
/* Includes ------------------------------------------------------------------*/
#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Definitions ---------------------------------------------------------------*/
#define AUDIO_IN_TIMER TIM3
#define AUDIO_IN_TIMER_CLK_ENABLE() __TIM3_CLK_ENABLE()
#define AUDIO_IN_TIMER_CHOUT_AF GPIO_AF2_TIM3
#define AUDIO_IN_TIMER_CHOUT_PIN GPIO_PIN_5
#define AUDIO_IN_TIMER_CHOUT_GPIO_PORT GPIOB
#define AUDIO_IN_TIMER_CHOUT_GPIO_PORT_CLK_ENABLE() __GPIOB_CLK_ENABLE()
#define AUDIO_IN_TIMER_CHIN_AF GPIO_AF2_TIM3
#define AUDIO_IN_TIMER_CHIN_PIN GPIO_PIN_4
#define AUDIO_IN_TIMER_CHIN_GPIO_PORT GPIOB
#define AUDIO_IN_TIMER_CHIN_GPIO_PORT_CLK_ENABLE() __GPIOB_CLK_ENABLE()
/* Functions -----------------------------------------------------------------*/
uint8_t ST_Timer_Init(void);
uint8_t ST_Timer_Start(void);
#ifdef __cplusplus
}
#endif
#endif
