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Add STM32F103 port
Add a fully functional STM32F1 port, currently mostly targeting STM32F103 microcontrollers. This requires an 8 MHz XTAL. The maximum possible step rate is around 282K steps per second. This uses stm32flash to burn the firmware. The bootloader needs to be started by setting BOOT0 to 1 and resetting the MCU. There is no automatic bootloader, unlike on Arduino. Signed-off-by: Grigori Goronzy <greg@kinoho.net>
This commit is contained in:
Grigori Goronzy
KevinOConnor
parent
e097b08520
commit
75d5737211
173 changed files with 267435 additions and 0 deletions
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/**
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******************************************************************************
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* @file stm32f1xx_hal_timebase_rtc_alarm_template.c
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* @author MCD Application Team
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* @version V1.1.1
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* @date 12-May-2017
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* @brief HAL time base based on the hardware RTC_ALARM.
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*
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* This file override the native HAL time base functions (defined as weak)
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* to use the RTC ALARM for time base generation:
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* + Intializes the RTC peripheral to increment the seconds registers each 1ms
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* + The alarm is configured to assert an interrupt when the RTC reaches 1ms
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* + HAL_IncTick is called at each Alarm event and the time is reset to 00:00:00
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* + HSE (default), LSE or LSI can be selected as RTC clock source
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@verbatim
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==============================================================================
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##### How to use this driver #####
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==============================================================================
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[..]
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This file must be copied to the application folder and modified as follows:
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(#) Rename it to 'stm32f1xx_hal_timebase_rtc_alarm.c'
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(#) Add this file and the RTC HAL drivers to your project and uncomment
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HAL_RTC_MODULE_ENABLED define in stm32f1xx_hal_conf.h
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[..]
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(@) HAL RTC alarm and HAL RTC wakeup drivers can’t be used with low power modes:
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The wake up capability of the RTC may be intrusive in case of prior low power mode
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configuration requiring different wake up sources.
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Application/Example behavior is no more guaranteed
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(@) The stm32f1xx_hal_timebase_tim use is recommended for the Applications/Examples
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requiring low power modes
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@endverbatim
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f1xx_hal.h"
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/** @addtogroup STM32F1xx_HAL_Driver
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* @{
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*/
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/** @defgroup HAL_TimeBase_RTC_Alarm_Template HAL TimeBase RTC Alarm Template
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Uncomment the line below to select the appropriate RTC Clock source for your application:
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+ RTC_CLOCK_SOURCE_HSE: can be selected for applications requiring timing precision.
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+ RTC_CLOCK_SOURCE_LSE: can be selected for applications with low constraint on timing
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precision.
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+ RTC_CLOCK_SOURCE_LSI: can be selected for applications with low constraint on timing
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precision.
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*/
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#define RTC_CLOCK_SOURCE_HSE
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/* #define RTC_CLOCK_SOURCE_LSE */
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/* #define RTC_CLOCK_SOURCE_LSI */
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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RTC_HandleTypeDef hRTC_Handle;
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/* Private function prototypes -----------------------------------------------*/
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void RTC_Alarm_IRQHandler(void);
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/* Private functions ---------------------------------------------------------*/
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/**
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* @brief This function configures the RTC_ALARMA as a time base source.
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* The time source is configured to have 1ms time base with a dedicated
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* Tick interrupt priority.
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* @note This function is called automatically at the beginning of program after
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* reset by HAL_Init() or at any time when clock is configured, by HAL_RCC_ClockConfig().
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* @param TickPriority: Tick interrupt priority.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_InitTick (uint32_t TickPriority)
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{
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__IO uint32_t counter = 0U;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
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#ifdef RTC_CLOCK_SOURCE_LSE
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/* Configue LSE as RTC clock soucre */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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RCC_OscInitStruct.LSEState = RCC_LSE_ON;
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PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
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#elif defined (RTC_CLOCK_SOURCE_LSI)
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/* Configue LSI as RTC clock soucre */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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RCC_OscInitStruct.LSIState = RCC_LSI_ON;
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PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
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#elif defined (RTC_CLOCK_SOURCE_HSE)
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/* Configue HSE as RTC clock soucre */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV128;
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#else
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#error Please select the RTC Clock source
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#endif /* RTC_CLOCK_SOURCE_LSE */
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if(HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK)
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{
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PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
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if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) == HAL_OK)
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{
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/* Enable RTC Clock */
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__HAL_RCC_RTC_ENABLE();
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hRTC_Handle.Instance = RTC;
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/* Configure RTC time base to 10Khz */
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hRTC_Handle.Init.AsynchPrediv = (HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_RTC) / 10000) - 1;
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hRTC_Handle.Init.OutPut = RTC_OUTPUTSOURCE_NONE;
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HAL_RTC_Init(&hRTC_Handle);
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/* Disable the write protection for RTC registers */
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__HAL_RTC_WRITEPROTECTION_DISABLE(&hRTC_Handle);
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/* Clear flag alarm A */
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__HAL_RTC_ALARM_CLEAR_FLAG(&hRTC_Handle, RTC_FLAG_ALRAF);
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counter = 0U;
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/* Wait till RTC ALRAF flag is set and if Time out is reached exit */
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while(__HAL_RTC_ALARM_GET_FLAG(&hRTC_Handle, RTC_FLAG_ALRAF) != RESET)
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{
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if(counter++ == SystemCoreClock /48U) /* Timeout = ~ 1s */
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{
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return HAL_ERROR;
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}
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}
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/* Set RTC COUNTER MSB word */
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hRTC_Handle.Instance->ALRH = 0x00U;
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/* Set RTC COUNTER LSB word */
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hRTC_Handle.Instance->ALRL = 0x09U;
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/* RTC Alarm Interrupt Configuration: EXTI configuration */
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__HAL_RTC_ALARM_EXTI_ENABLE_IT();
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__HAL_RTC_ALARM_EXTI_ENABLE_RISING_EDGE();
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/* Clear Second and overflow flags */
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CLEAR_BIT(hRTC_Handle.Instance->CRL, (RTC_FLAG_SEC | RTC_FLAG_OW));
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/* Set RTC COUNTER MSB word */
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hRTC_Handle.Instance->CNTH = 0x00U;
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/* Set RTC COUNTER LSB word */
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hRTC_Handle.Instance->CNTL = 0x00U;
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/* Configure the Alarm interrupt */
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__HAL_RTC_ALARM_ENABLE_IT(&hRTC_Handle, RTC_IT_ALRA);
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/* Enable the write protection for RTC registers */
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__HAL_RTC_WRITEPROTECTION_ENABLE(&hRTC_Handle);
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/* Wait till RTC is in INIT state and if Time out is reached exit */
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counter = 0U;
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while((hRTC_Handle.Instance->CRL & RTC_CRL_RTOFF) == (uint32_t)RESET)
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{
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if(counter++ == SystemCoreClock /48U) /* Timeout = ~ 1s */
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{
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return HAL_ERROR;
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}
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}
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HAL_NVIC_SetPriority(RTC_Alarm_IRQn, TickPriority, 0U);
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HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
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return HAL_OK;
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}
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}
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return HAL_ERROR;
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}
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/**
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* @brief Suspend Tick increment.
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* @note Disable the tick increment by disabling RTC ALARM interrupt.
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* @param None
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* @retval None
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*/
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void HAL_SuspendTick(void)
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{
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/* Disable RTC ALARM update Interrupt */
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__HAL_RTC_ALARM_DISABLE_IT(&hRTC_Handle, RTC_IT_ALRA);
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}
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/**
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* @brief Resume Tick increment.
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* @note Enable the tick increment by Enabling RTC ALARM interrupt.
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* @param None
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* @retval None
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*/
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void HAL_ResumeTick(void)
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{
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__IO uint32_t counter = 0U;
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/* Disable the write protection for RTC registers */
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__HAL_RTC_WRITEPROTECTION_DISABLE(&hRTC_Handle);
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/* Set RTC COUNTER MSB word */
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hRTC_Handle.Instance->CNTH = 0x00U;
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/* Set RTC COUNTER LSB word */
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hRTC_Handle.Instance->CNTL = 0x00U;
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/* Clear Second and overflow flags */
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CLEAR_BIT(hRTC_Handle.Instance->CRL, (RTC_FLAG_SEC | RTC_FLAG_OW | RTC_FLAG_ALRAF));
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/* Enable RTC ALARM Update interrupt */
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__HAL_RTC_ALARM_ENABLE_IT(&hRTC_Handle, RTC_IT_ALRA);
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/* Enable the write protection for RTC registers */
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__HAL_RTC_WRITEPROTECTION_ENABLE(&hRTC_Handle);
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/* Wait till RTC is in INIT state and if Time out is reached exit */
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while((hRTC_Handle.Instance->CRL & RTC_CRL_RTOFF) == (uint32_t)RESET)
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{
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if(counter++ == SystemCoreClock /48U) /* Timeout = ~ 1s */
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{
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break;
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}
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}
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}
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/**
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* @brief ALARM A Event Callback in non blocking mode
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* @note This function is called when RTC_ALARM interrupt took place, inside
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* RTC_ALARM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
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* a global variable "uwTick" used as application time base.
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* @param hrtc : RTC handle
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* @retval None
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*/
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void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc)
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{
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__IO uint32_t counter = 0U;
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HAL_IncTick();
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__HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
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/* Set RTC COUNTER MSB word */
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WRITE_REG(hrtc->Instance->CNTH, 0x00U);
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/* Set RTC COUNTER LSB word */
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WRITE_REG(hrtc->Instance->CNTL, 0x00U);
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/* Clear Second and overflow flags */
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CLEAR_BIT(hrtc->Instance->CRL, (RTC_FLAG_SEC | RTC_FLAG_OW));
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/* Enable the write protection for RTC registers */
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__HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
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/* Wait till RTC is in INIT state and if Time out is reached exit */
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while((hrtc->Instance->CRL & RTC_CRL_RTOFF) == (uint32_t)RESET)
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{
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if(counter++ == SystemCoreClock /48U) /* Timeout = ~ 1s */
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{
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break;
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}
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}
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}
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/**
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* @brief This function handles RTC ALARM interrupt request.
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* @retval None
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*/
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void RTC_Alarm_IRQHandler(void)
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{
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HAL_RTC_AlarmIRQHandler(&hRTC_Handle);
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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