From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 14 Oct 2020 12:47:28 +0200 Subject: Move firmware into subdirectory --- .../Src/stm32f0xx_hal_timebase_tim_template.c | 168 +++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100644 fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_timebase_tim_template.c (limited to 'fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_timebase_tim_template.c') diff --git a/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_timebase_tim_template.c b/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_timebase_tim_template.c new file mode 100644 index 0000000..cf8a60b --- /dev/null +++ b/fw/hid-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_timebase_tim_template.c @@ -0,0 +1,168 @@ +/** + ****************************************************************************** + * @file stm32f0xx_hal_timebase_tim_template.c + * @brief HAL time base based on the hardware TIM Template. + * + * This file override the native HAL time base functions (defined as weak) + * the TIM time base: + * + Intializes the TIM peripheral generate a Period elapsed Event each 1ms + * + HAL_IncTick is called inside HAL_TIM_PeriodElapsedCallback ie each 1ms + * + ****************************************************************************** + * @attention + * + *

© Copyright (c) 2016 STMicroelectronics. + * All rights reserved.

+ * + * This software component is licensed by ST under BSD 3-Clause license, + * the "License"; You may not use this file except in compliance with the + * License. You may obtain a copy of the License at: + * opensource.org/licenses/BSD-3-Clause + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f0xx_hal.h" + +/** @addtogroup STM32F0xx_HAL_Driver + * @{ + */ + +/** @addtogroup HAL_TimeBase_TIM + * @{ + */ + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +TIM_HandleTypeDef TimHandle; +/* Private function prototypes -----------------------------------------------*/ +void TIM6_DAC_IRQHandler(void); +/* Private functions ---------------------------------------------------------*/ + +/** + * @brief This function configures the TIM6 as a time base source. + * The time source is configured to have 1ms time base with a dedicated + * Tick interrupt priority. + * @note This function is called automatically at the beginning of program after + * reset by HAL_Init() or at any time when clock is configured, by HAL_RCC_ClockConfig(). + * @param TickPriority Tick interrupt priority. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_InitTick (uint32_t TickPriority) +{ + RCC_ClkInitTypeDef clkconfig; + uint32_t uwTimclock, uwAPB1Prescaler = 0U; + uint32_t uwPrescalerValue = 0U; + uint32_t pFLatency; + + /*Configure the TIM6 IRQ priority */ + HAL_NVIC_SetPriority(TIM6_DAC_IRQn, TickPriority ,0U); + + /* Enable the TIM6 global Interrupt */ + HAL_NVIC_EnableIRQ(TIM6_DAC_IRQn); + + /* Enable TIM6 clock */ + __HAL_RCC_TIM6_CLK_ENABLE(); + + /* Get clock configuration */ + HAL_RCC_GetClockConfig(&clkconfig, &pFLatency); + + /* Get APB1 prescaler */ + uwAPB1Prescaler = clkconfig.APB1CLKDivider; + + /* Compute TIM6 clock */ + if (uwAPB1Prescaler == RCC_HCLK_DIV1) + { + uwTimclock = HAL_RCC_GetPCLK1Freq(); + } + else + { + uwTimclock = 2*HAL_RCC_GetPCLK1Freq(); + } + + /* Compute the prescaler value to have TIM6 counter clock equal to 1MHz */ + uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000U) - 1U); + + /* Initialize TIM6 */ + TimHandle.Instance = TIM6; + + /* Initialize TIMx peripheral as follow: + + Period = [(TIM6CLK/1000) - 1]. to have a (1/1000) s time base. + + Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock. + + ClockDivision = 0 + + Counter direction = Up + */ + TimHandle.Init.Period = (1000000U / 1000U) - 1U; + TimHandle.Init.Prescaler = uwPrescalerValue; + TimHandle.Init.ClockDivision = 0U; + TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; + TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; + if(HAL_TIM_Base_Init(&TimHandle) == HAL_OK) + { + /* Start the TIM time Base generation in interrupt mode */ + return HAL_TIM_Base_Start_IT(&TimHandle); + } + + /* Return function status */ + return HAL_ERROR; +} + +/** + * @brief Suspend Tick increment. + * @note Disable the tick increment by disabling TIM6 update interrupt. + * @param None + * @retval None + */ +void HAL_SuspendTick(void) +{ + /* Disable TIM6 update Interrupt */ + __HAL_TIM_DISABLE_IT(&TimHandle, TIM_IT_UPDATE); +} + +/** + * @brief Resume Tick increment. + * @note Enable the tick increment by Enabling TIM6 update interrupt. + * @param None + * @retval None + */ +void HAL_ResumeTick(void) +{ + /* Enable TIM6 Update interrupt */ + __HAL_TIM_ENABLE_IT(&TimHandle, TIM_IT_UPDATE); +} + +/** + * @brief Period elapsed callback in non blocking mode + * @note This function is called when TIM6 interrupt took place, inside + * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment + * a global variable "uwTick" used as application time base. + * @param htim TIM handle + * @retval None + */ +void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) +{ + HAL_IncTick(); +} + +/** + * @brief This function handles TIM interrupt request. + * @param None + * @retval None + */ +void TIM6_DAC_IRQHandler(void) +{ + HAL_TIM_IRQHandler(&TimHandle); +} + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit