tianjialong
3 years ago
15 changed files with 2437 additions and 339 deletions
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7app/.mxproject
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3app/Core/Inc/FreeRTOSConfig.h
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2app/Core/Inc/stm32f4xx_it.h
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18app/Core/Src/gpio.c
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25app/Core/Src/main.c
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127app/Core/Src/stm32f4xx_hal_timebase_tim.c
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40app/Core/Src/stm32f4xx_it.c
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9app/MDK-ARM/EventRecorderStub.scvd
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1906app/MDK-ARM/app.uvguix.29643
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295app/MDK-ARM/app.uvoptx
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172app/MDK-ARM/app.uvprojx
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96app/MDK-ARM/startup_stm32f407xx.lst
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67app/app.ioc
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5src/hardware_main.c
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4src/zboard.h
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app/.mxproject
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/* USER CODE BEGIN Header */ |
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/** |
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****************************************************************************** |
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* @file stm32f4xx_hal_timebase_TIM.c |
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* @brief HAL time base based on the hardware TIM. |
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****************************************************************************** |
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* @attention |
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* |
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* Copyright (c) 2023 STMicroelectronics. |
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* All rights reserved. |
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* |
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* This software is licensed under terms that can be found in the LICENSE file |
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* in the root directory of this software component. |
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* If no LICENSE file comes with this software, it is provided AS-IS. |
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* |
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****************************************************************************** |
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*/ |
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/* USER CODE END Header */ |
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/* Includes ------------------------------------------------------------------*/ |
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#include "stm32f4xx_hal.h" |
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#include "stm32f4xx_hal_tim.h" |
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/* Private typedef -----------------------------------------------------------*/ |
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/* Private define ------------------------------------------------------------*/ |
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/* Private macro -------------------------------------------------------------*/ |
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/* Private variables ---------------------------------------------------------*/ |
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TIM_HandleTypeDef htim8; |
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/* Private function prototypes -----------------------------------------------*/ |
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/* Private functions ---------------------------------------------------------*/ |
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/** |
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* @brief This function configures the TIM8 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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RCC_ClkInitTypeDef clkconfig; |
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uint32_t uwTimclock = 0U; |
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uint32_t uwPrescalerValue = 0U; |
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uint32_t pFLatency; |
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HAL_StatusTypeDef status; |
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/* Enable TIM8 clock */ |
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__HAL_RCC_TIM8_CLK_ENABLE(); |
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/* Get clock configuration */ |
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HAL_RCC_GetClockConfig(&clkconfig, &pFLatency); |
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/* Compute TIM8 clock */ |
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uwTimclock = 2*HAL_RCC_GetPCLK2Freq(); |
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/* Compute the prescaler value to have TIM8 counter clock equal to 1MHz */ |
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uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000U) - 1U); |
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/* Initialize TIM8 */ |
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htim8.Instance = TIM8; |
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/* Initialize TIMx peripheral as follow: |
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+ Period = [(TIM8CLK/1000) - 1]. to have a (1/1000) s time base. |
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+ Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock. |
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+ ClockDivision = 0 |
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+ Counter direction = Up |
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*/ |
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htim8.Init.Period = (1000000U / 1000U) - 1U; |
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htim8.Init.Prescaler = uwPrescalerValue; |
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htim8.Init.ClockDivision = 0; |
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htim8.Init.CounterMode = TIM_COUNTERMODE_UP; |
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htim8.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; |
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status = HAL_TIM_Base_Init(&htim8); |
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if (status == HAL_OK) |
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{ |
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/* Start the TIM time Base generation in interrupt mode */ |
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status = HAL_TIM_Base_Start_IT(&htim8); |
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if (status == HAL_OK) |
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{ |
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/* Enable the TIM8 global Interrupt */ |
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HAL_NVIC_EnableIRQ(TIM8_UP_TIM13_IRQn); |
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/* Configure the SysTick IRQ priority */ |
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if (TickPriority < (1UL << __NVIC_PRIO_BITS)) |
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{ |
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/* Configure the TIM IRQ priority */ |
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HAL_NVIC_SetPriority(TIM8_UP_TIM13_IRQn, TickPriority, 0U); |
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uwTickPrio = TickPriority; |
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} |
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else |
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{ |
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status = HAL_ERROR; |
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} |
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} |
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} |
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/* Return function status */ |
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return status; |
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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 TIM8 update 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 TIM8 update Interrupt */ |
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__HAL_TIM_DISABLE_IT(&htim8, TIM_IT_UPDATE); |
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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 TIM8 update 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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/* Enable TIM8 Update interrupt */ |
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__HAL_TIM_ENABLE_IT(&htim8, TIM_IT_UPDATE); |
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} |
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@ -0,0 +1,9 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<component_viewer schemaVersion="0.1" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:noNamespaceSchemaLocation="Component_Viewer.xsd"> |
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<component name="EventRecorderStub" version="1.0.0"/> <!--name and version of the component--> |
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<events> |
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</events> |
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</component_viewer> |
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1906
app/MDK-ARM/app.uvguix.29643
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295
app/MDK-ARM/app.uvoptx
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