Maxim Ibragimov / mbed-dev

mbed library sources. Supersedes mbed-src. Fixed broken STM32F1xx RTC on rtc_api.c

Dependents:   Nucleo_F103RB_RTC_battery_bkup_pwr_off_okay

Fork of mbed-dev by mbed official

targets/TARGET_STM/TARGET_STM32L1/pin_device.h@177:619788de047e, 2017-11-07 (annotated)

Committer:
maxxir
Date:
Tue Nov 07 16:46:29 2017 +0000
Revision:
177:619788de047e
Parent:
160:d5399cc887bb 
To fix broken RTC on Nucleo_F103RB / STM32F103 BluePill etc..;  Used direct RTC register manipulation for STM32F1xx;  rtc_read() && rtc_write()  (native rtc_init() - works good);  also added stub for non-working on STM32F1xx rtc_read_subseconds().

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 160:d5399cc887bb 1 /* mbed Microcontroller Library
<> 160:d5399cc887bb 2 *******************************************************************************
<> 160:d5399cc887bb 3 * Copyright (c) 2016, STMicroelectronics
<> 160:d5399cc887bb 4 * All rights reserved.
<> 160:d5399cc887bb 5 *
<> 160:d5399cc887bb 6 * Redistribution and use in source and binary forms, with or without
<> 160:d5399cc887bb 7 * modification, are permitted provided that the following conditions are met:
<> 160:d5399cc887bb 8 *
<> 160:d5399cc887bb 9 * 1. Redistributions of source code must retain the above copyright notice,
<> 160:d5399cc887bb 10 * this list of conditions and the following disclaimer.
<> 160:d5399cc887bb 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 160:d5399cc887bb 12 * this list of conditions and the following disclaimer in the documentation
<> 160:d5399cc887bb 13 * and/or other materials provided with the distribution.
<> 160:d5399cc887bb 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 160:d5399cc887bb 15 * may be used to endorse or promote products derived from this software
<> 160:d5399cc887bb 16 * without specific prior written permission.
<> 160:d5399cc887bb 17 *
<> 160:d5399cc887bb 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 160:d5399cc887bb 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 160:d5399cc887bb 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 160:d5399cc887bb 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 160:d5399cc887bb 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 160:d5399cc887bb 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 160:d5399cc887bb 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 160:d5399cc887bb 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 160:d5399cc887bb 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 160:d5399cc887bb 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 160:d5399cc887bb 28 *******************************************************************************
<> 160:d5399cc887bb 29 */
<> 160:d5399cc887bb 30 #ifndef MBED_PIN_DEVICE_H
<> 160:d5399cc887bb 31 #define MBED_PIN_DEVICE_H
<> 160:d5399cc887bb 32
<> 160:d5399cc887bb 33 #include "cmsis.h"
<> 160:d5399cc887bb 34 #include "stm32l1xx_ll_gpio.h"
<> 160:d5399cc887bb 35
<> 160:d5399cc887bb 36 extern const uint32_t ll_pin_defines[16];
<> 160:d5399cc887bb 37
<> 160:d5399cc887bb 38 /* Family specific implementations */
<> 160:d5399cc887bb 39 static inline void stm_pin_DisconnectDebug(PinName pin)
<> 160:d5399cc887bb 40 {
<> 160:d5399cc887bb 41 /* empty for now */
<> 160:d5399cc887bb 42 }
<> 160:d5399cc887bb 43
<> 160:d5399cc887bb 44 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
<> 160:d5399cc887bb 45 {
<> 160:d5399cc887bb 46 switch (pull_config) {
<> 160:d5399cc887bb 47 case GPIO_PULLUP:
<> 160:d5399cc887bb 48 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
<> 160:d5399cc887bb 49 break;
<> 160:d5399cc887bb 50 case GPIO_PULLDOWN:
<> 160:d5399cc887bb 51 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
<> 160:d5399cc887bb 52 break;
<> 160:d5399cc887bb 53 default:
<> 160:d5399cc887bb 54 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
<> 160:d5399cc887bb 55 break;
<> 160:d5399cc887bb 56 }
<> 160:d5399cc887bb 57 }
<> 160:d5399cc887bb 58
<> 160:d5399cc887bb 59 static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
<> 160:d5399cc887bb 60 {
<> 160:d5399cc887bb 61 uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
<> 160:d5399cc887bb 62
<> 160:d5399cc887bb 63 if (STM_PIN(pin) > 7)
<> 160:d5399cc887bb 64 LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
<> 160:d5399cc887bb 65 else
<> 160:d5399cc887bb 66 LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
<> 160:d5399cc887bb 67 }
<> 160:d5399cc887bb 68
<> 160:d5399cc887bb 69 #endif