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_WIZNET/TARGET_W7500x/gpio_api.c@177:619788de047e, 2017-11-07 (annotated)

Committer:
maxxir
Date:
Tue Nov 07 16:46:29 2017 +0000
Revision:
177:619788de047e
Parent:
149:156823d33999 
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
<> 144:ef7eb2e8f9f7 1 /* mbed Microcontroller Library
<> 144:ef7eb2e8f9f7 2 *******************************************************************************
<> 144:ef7eb2e8f9f7 3 * Copyright (c) 2015 WIZnet Co.,Ltd. All rights reserved.
<> 144:ef7eb2e8f9f7 4 * All rights reserved.
<> 144:ef7eb2e8f9f7 5 *
<> 144:ef7eb2e8f9f7 6 * Redistribution and use in source and binary forms, with or without
<> 144:ef7eb2e8f9f7 7 * modification, are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 10 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 12 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 13 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 14 * 3. Neither the name of ARM Limited nor the names of its contributors
<> 144:ef7eb2e8f9f7 15 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 16 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 17 *
<> 144:ef7eb2e8f9f7 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 28 *******************************************************************************
<> 144:ef7eb2e8f9f7 29 */
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 #include "mbed_assert.h"
<> 144:ef7eb2e8f9f7 32 #include "gpio_api.h"
<> 144:ef7eb2e8f9f7 33 #include "pinmap.h"
<> 144:ef7eb2e8f9f7 34
<> 144:ef7eb2e8f9f7 35 extern uint32_t Get_GPIO_BaseAddress(uint32_t port_idx);
<> 144:ef7eb2e8f9f7 36
<> 144:ef7eb2e8f9f7 37 uint32_t gpio_set(PinName pin)
<> 144:ef7eb2e8f9f7 38 {
<> 144:ef7eb2e8f9f7 39 MBED_ASSERT(pin != (PinName)NC);
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 pin_function(pin, WIZ_PIN_DATA(WIZ_MODE_INPUT, WIZ_GPIO_NOPULL, Px_AFSR_AF1));
<> 144:ef7eb2e8f9f7 42
<> 144:ef7eb2e8f9f7 43 return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
<> 144:ef7eb2e8f9f7 44 }
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 void gpio_init(gpio_t *obj, PinName pin)
<> 144:ef7eb2e8f9f7 47 {
<> 144:ef7eb2e8f9f7 48 if (pin == (PinName)NC) {
<> 144:ef7eb2e8f9f7 49 return;
<> 144:ef7eb2e8f9f7 50 }
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 obj->port_num = WIZ_PORT(pin);
<> 144:ef7eb2e8f9f7 53 obj->pin_index = WIZ_PIN_INDEX(pin);
<> 144:ef7eb2e8f9f7 54 obj->pin = pin;
<> 144:ef7eb2e8f9f7 55 GPIO_TypeDef *gpio = (GPIO_TypeDef *)Get_GPIO_BaseAddress(obj->port_num);
<> 144:ef7eb2e8f9f7 56 obj->reg_data_in = &gpio->DATA;
<> 144:ef7eb2e8f9f7 57 }
<> 144:ef7eb2e8f9f7 58
<> 144:ef7eb2e8f9f7 59 void gpio_mode(gpio_t *obj, PinMode mode)
<> 144:ef7eb2e8f9f7 60 {
<> 144:ef7eb2e8f9f7 61 pin_mode(obj->pin, mode);
<> 144:ef7eb2e8f9f7 62 obj->mode = mode;
<> 144:ef7eb2e8f9f7 63 }
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 void gpio_dir(gpio_t *obj, PinDirection direction)
<> 144:ef7eb2e8f9f7 66 {
<> 144:ef7eb2e8f9f7 67 MBED_ASSERT(obj->pin != (PinName)NC);
<> 144:ef7eb2e8f9f7 68 obj->direction = direction;
<> 144:ef7eb2e8f9f7 69
<> 144:ef7eb2e8f9f7 70 pin_function(obj->pin, WIZ_PIN_DATA(obj->direction, obj->mode, 1));
<> 144:ef7eb2e8f9f7 71 }