Initial commit

Dependencies:   FastPWM

Committer:
lypinator
Date:
Wed Sep 16 01:11:49 2020 +0000
Revision:
0:bb348c97df44
Added PWM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lypinator 0:bb348c97df44 1 /* mbed Microcontroller Library
lypinator 0:bb348c97df44 2 *******************************************************************************
lypinator 0:bb348c97df44 3 * Copyright (c) 2018, STMicroelectronics
lypinator 0:bb348c97df44 4 * All rights reserved.
lypinator 0:bb348c97df44 5 *
lypinator 0:bb348c97df44 6 * Redistribution and use in source and binary forms, with or without
lypinator 0:bb348c97df44 7 * modification, are permitted provided that the following conditions are met:
lypinator 0:bb348c97df44 8 *
lypinator 0:bb348c97df44 9 * 1. Redistributions of source code must retain the above copyright notice,
lypinator 0:bb348c97df44 10 * this list of conditions and the following disclaimer.
lypinator 0:bb348c97df44 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
lypinator 0:bb348c97df44 12 * this list of conditions and the following disclaimer in the documentation
lypinator 0:bb348c97df44 13 * and/or other materials provided with the distribution.
lypinator 0:bb348c97df44 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
lypinator 0:bb348c97df44 15 * may be used to endorse or promote products derived from this software
lypinator 0:bb348c97df44 16 * without specific prior written permission.
lypinator 0:bb348c97df44 17 *
lypinator 0:bb348c97df44 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
lypinator 0:bb348c97df44 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
lypinator 0:bb348c97df44 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
lypinator 0:bb348c97df44 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
lypinator 0:bb348c97df44 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
lypinator 0:bb348c97df44 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
lypinator 0:bb348c97df44 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
lypinator 0:bb348c97df44 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
lypinator 0:bb348c97df44 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
lypinator 0:bb348c97df44 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
lypinator 0:bb348c97df44 28 *******************************************************************************
lypinator 0:bb348c97df44 29 */
lypinator 0:bb348c97df44 30
lypinator 0:bb348c97df44 31 #ifndef MBED_RTC_API_HAL_H
lypinator 0:bb348c97df44 32 #define MBED_RTC_API_HAL_H
lypinator 0:bb348c97df44 33
lypinator 0:bb348c97df44 34 #include "rtc_api.h"
lypinator 0:bb348c97df44 35 #include "lp_ticker_api.h"
lypinator 0:bb348c97df44 36
lypinator 0:bb348c97df44 37 #ifdef __cplusplus
lypinator 0:bb348c97df44 38 extern "C" {
lypinator 0:bb348c97df44 39 #endif
lypinator 0:bb348c97df44 40
lypinator 0:bb348c97df44 41 #if MBED_CONF_TARGET_LSE_AVAILABLE
lypinator 0:bb348c97df44 42 #define RTC_CLOCK LSE_VALUE
lypinator 0:bb348c97df44 43 #else
lypinator 0:bb348c97df44 44 #define RTC_CLOCK LSI_VALUE
lypinator 0:bb348c97df44 45 #endif
lypinator 0:bb348c97df44 46
lypinator 0:bb348c97df44 47 #if DEVICE_LPTICKER && !MBED_CONF_TARGET_LPTICKER_LPTIM
lypinator 0:bb348c97df44 48 /* PREDIV_A : 7-bit asynchronous prescaler */
lypinator 0:bb348c97df44 49 /* PREDIV_A is set to set LPTICKER frequency to RTC_CLOCK/4 */
lypinator 0:bb348c97df44 50 #define PREDIV_A_VALUE 3
lypinator 0:bb348c97df44 51
lypinator 0:bb348c97df44 52 /** Read RTC counter with sub second precision
lypinator 0:bb348c97df44 53 *
lypinator 0:bb348c97df44 54 * @return LP ticker counter
lypinator 0:bb348c97df44 55 */
lypinator 0:bb348c97df44 56 uint32_t rtc_read_lp(void);
lypinator 0:bb348c97df44 57
lypinator 0:bb348c97df44 58 /** Program a wake up timer event
lypinator 0:bb348c97df44 59 *
lypinator 0:bb348c97df44 60 * @param timestamp: counter to set
lypinator 0:bb348c97df44 61 */
lypinator 0:bb348c97df44 62 void rtc_set_wake_up_timer(timestamp_t timestamp);
lypinator 0:bb348c97df44 63
lypinator 0:bb348c97df44 64 /** Call RTC Wake Up IT
lypinator 0:bb348c97df44 65 */
lypinator 0:bb348c97df44 66 void rtc_fire_interrupt(void);
lypinator 0:bb348c97df44 67
lypinator 0:bb348c97df44 68 /** Disable the wake up timer event.
lypinator 0:bb348c97df44 69 *
lypinator 0:bb348c97df44 70 * The wake up timer use auto reload, you have to deactivate it manually.
lypinator 0:bb348c97df44 71 */
lypinator 0:bb348c97df44 72 void rtc_deactivate_wake_up_timer(void);
lypinator 0:bb348c97df44 73
lypinator 0:bb348c97df44 74 #else /* DEVICE_LPTICKER && !MBED_CONF_TARGET_LPTICKER_LPTIM */
lypinator 0:bb348c97df44 75
lypinator 0:bb348c97df44 76 /* PREDIV_A : 7-bit asynchronous prescaler */
lypinator 0:bb348c97df44 77 /* PREDIV_A is set to the maximum value to improve the consumption */
lypinator 0:bb348c97df44 78 #define PREDIV_A_VALUE 127
lypinator 0:bb348c97df44 79
lypinator 0:bb348c97df44 80 #endif /* DEVICE_LPTICKER && !MBED_CONF_TARGET_LPTICKER_LPTIM */
lypinator 0:bb348c97df44 81
lypinator 0:bb348c97df44 82 /* PREDIV_S : 15-bit synchronous prescaler */
lypinator 0:bb348c97df44 83 /* PREDIV_S is set in order to get a 1 Hz clock */
lypinator 0:bb348c97df44 84 #define PREDIV_S_VALUE RTC_CLOCK / (PREDIV_A_VALUE + 1) - 1
lypinator 0:bb348c97df44 85
lypinator 0:bb348c97df44 86 /** Synchronise the RTC shadow registers.
lypinator 0:bb348c97df44 87 *
lypinator 0:bb348c97df44 88 * Must be called after a deepsleep.
lypinator 0:bb348c97df44 89 */
lypinator 0:bb348c97df44 90 void rtc_synchronize(void);
lypinator 0:bb348c97df44 91
lypinator 0:bb348c97df44 92 #ifdef __cplusplus
lypinator 0:bb348c97df44 93 }
lypinator 0:bb348c97df44 94 #endif
lypinator 0:bb348c97df44 95
lypinator 0:bb348c97df44 96 #endif