ST / ST_FREQUENCY_DIVIDER

STMicroelectronics library to handle a hardware timer as a frequency divider.

Dependents:   X_NUCLEO_CCA02M1

Fork of ST_FREQUENCY_DIVIDER by ST Expansion SW Team

Platform compatibility

hal/stm_divider_api.h@2:52d3392d33d3, 2017-07-12 (annotated)

Committer:
Davidroid
Date:
Wed Jul 12 13:47:13 2017 +0000
Revision:
2:52d3392d33d3
Parent:
0:f11903264b5e 
Extending to "STM32F4" family.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
davide.aliprandi@st.com 0:f11903264b5e 1 /**
davide.aliprandi@st.com 0:f11903264b5e 2 ******************************************************************************
davide.aliprandi@st.com 0:f11903264b5e 3 * @file stm_divider_api.h
davide.aliprandi@st.com 0:f11903264b5e 4 * @author AST / Software Platforms and Cloud
davide.aliprandi@st.com 0:f11903264b5e 5 * @version V1.0
davide.aliprandi@st.com 0:f11903264b5e 6 * @date November 8th, 2016
davide.aliprandi@st.com 0:f11903264b5e 7 * @brief Utilities header file for the X_NUCLEO_CCA02M1 expansion board.
davide.aliprandi@st.com 0:f11903264b5e 8 ******************************************************************************
davide.aliprandi@st.com 0:f11903264b5e 9 * @attention
davide.aliprandi@st.com 0:f11903264b5e 10 *
davide.aliprandi@st.com 0:f11903264b5e 11 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
davide.aliprandi@st.com 0:f11903264b5e 12 *
davide.aliprandi@st.com 0:f11903264b5e 13 * Redistribution and use in source and binary forms, with or without modification,
davide.aliprandi@st.com 0:f11903264b5e 14 * are permitted provided that the following conditions are met:
davide.aliprandi@st.com 0:f11903264b5e 15 * 1. Redistributions of source code must retain the above copyright notice,
davide.aliprandi@st.com 0:f11903264b5e 16 * this list of conditions and the following disclaimer.
davide.aliprandi@st.com 0:f11903264b5e 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
davide.aliprandi@st.com 0:f11903264b5e 18 * this list of conditions and the following disclaimer in the documentation
davide.aliprandi@st.com 0:f11903264b5e 19 * and/or other materials provided with the distribution.
davide.aliprandi@st.com 0:f11903264b5e 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
davide.aliprandi@st.com 0:f11903264b5e 21 * may be used to endorse or promote products derived from this software
davide.aliprandi@st.com 0:f11903264b5e 22 * without specific prior written permission.
davide.aliprandi@st.com 0:f11903264b5e 23 *
davide.aliprandi@st.com 0:f11903264b5e 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
davide.aliprandi@st.com 0:f11903264b5e 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
davide.aliprandi@st.com 0:f11903264b5e 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
davide.aliprandi@st.com 0:f11903264b5e 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
davide.aliprandi@st.com 0:f11903264b5e 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
davide.aliprandi@st.com 0:f11903264b5e 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
davide.aliprandi@st.com 0:f11903264b5e 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
davide.aliprandi@st.com 0:f11903264b5e 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
davide.aliprandi@st.com 0:f11903264b5e 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
davide.aliprandi@st.com 0:f11903264b5e 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
davide.aliprandi@st.com 0:f11903264b5e 34 *
davide.aliprandi@st.com 0:f11903264b5e 35 ******************************************************************************
davide.aliprandi@st.com 0:f11903264b5e 36 */
davide.aliprandi@st.com 0:f11903264b5e 37
davide.aliprandi@st.com 0:f11903264b5e 38
davide.aliprandi@st.com 0:f11903264b5e 39 /* Define to prevent recursive inclusion -------------------------------------*/
davide.aliprandi@st.com 0:f11903264b5e 40
davide.aliprandi@st.com 0:f11903264b5e 41 #ifndef __DIVIDER_H
davide.aliprandi@st.com 0:f11903264b5e 42 #define __DIVIDER_H
davide.aliprandi@st.com 0:f11903264b5e 43
davide.aliprandi@st.com 0:f11903264b5e 44 /* Includes ------------------------------------------------------------------*/
davide.aliprandi@st.com 0:f11903264b5e 45
davide.aliprandi@st.com 0:f11903264b5e 46 #include <stdio.h>
davide.aliprandi@st.com 0:f11903264b5e 47
davide.aliprandi@st.com 0:f11903264b5e 48 #ifdef __cplusplus
davide.aliprandi@st.com 0:f11903264b5e 49 extern "C" {
davide.aliprandi@st.com 0:f11903264b5e 50 #endif
davide.aliprandi@st.com 0:f11903264b5e 51
davide.aliprandi@st.com 0:f11903264b5e 52 /* Definitions ---------------------------------------------------------------*/
davide.aliprandi@st.com 0:f11903264b5e 53
davide.aliprandi@st.com 0:f11903264b5e 54 #define AUDIO_IN_TIMER TIM3
davide.aliprandi@st.com 0:f11903264b5e 55 #define AUDIO_IN_TIMER_CLK_ENABLE() __TIM3_CLK_ENABLE()
davide.aliprandi@st.com 0:f11903264b5e 56 #define AUDIO_IN_TIMER_CHOUT_AF GPIO_AF2_TIM3
davide.aliprandi@st.com 0:f11903264b5e 57 #define AUDIO_IN_TIMER_CHOUT_PIN GPIO_PIN_5
davide.aliprandi@st.com 0:f11903264b5e 58 #define AUDIO_IN_TIMER_CHOUT_GPIO_PORT GPIOB
davide.aliprandi@st.com 0:f11903264b5e 59 #define AUDIO_IN_TIMER_CHOUT_GPIO_PORT_CLK_ENABLE() __GPIOB_CLK_ENABLE()
davide.aliprandi@st.com 0:f11903264b5e 60 #define AUDIO_IN_TIMER_CHIN_AF GPIO_AF2_TIM3
davide.aliprandi@st.com 0:f11903264b5e 61 #define AUDIO_IN_TIMER_CHIN_PIN GPIO_PIN_4
davide.aliprandi@st.com 0:f11903264b5e 62 #define AUDIO_IN_TIMER_CHIN_GPIO_PORT GPIOB
davide.aliprandi@st.com 0:f11903264b5e 63 #define AUDIO_IN_TIMER_CHIN_GPIO_PORT_CLK_ENABLE() __GPIOB_CLK_ENABLE()
davide.aliprandi@st.com 0:f11903264b5e 64
davide.aliprandi@st.com 0:f11903264b5e 65
davide.aliprandi@st.com 0:f11903264b5e 66 /* Functions -----------------------------------------------------------------*/
davide.aliprandi@st.com 0:f11903264b5e 67
davide.aliprandi@st.com 0:f11903264b5e 68 uint8_t ST_Timer_Init(void);
davide.aliprandi@st.com 0:f11903264b5e 69 uint8_t ST_Timer_Start(void);
davide.aliprandi@st.com 0:f11903264b5e 70
davide.aliprandi@st.com 0:f11903264b5e 71 #ifdef __cplusplus
davide.aliprandi@st.com 0:f11903264b5e 72 }
davide.aliprandi@st.com 0:f11903264b5e 73 #endif
davide.aliprandi@st.com 0:f11903264b5e 74
davide.aliprandi@st.com 0:f11903264b5e 75 #endif