N32G430实现通用定时器PWM输出【支持N32G4系列单片机_标准库驱动】.zip

/***************************************************************************** * Copyright (c) 2019, Nations Technologies Inc. * * All rights reserved. * **************************************************************************** * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the disclaimer below. * * Nations' name may not be used to endorse or promote products derived from * this software without specific prior written permission. * * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE * DISCLAIMED. IN NO EVENT SHALL NATIONS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /** *\*\file n32g430_tim.c *\*\author Nations *\*\version v1.0.0 *\*\copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved. **/ #include "n32g430_tim.h" #include "n32g430_rcc.h" /** *\*\name TIM_Reset. *\*\fun Reset the TIM registers. *\*\param TIMx : *\*\ - TIM1 *\*\ - TIM2 *\*\ - TIM3 *\*\ - TIM4 *\*\ - TIM5 *\*\ - TIM6 *\*\ - TIM8 *\*\return none **/ void TIM_Reset(TIM_Module* TIMx) { if (TIMx == TIM1) { RCC_APB2_Peripheral_Reset(RCC_APB2_PERIPH_TIM1); } else if (TIMx == TIM2) { RCC_APB1_Peripheral_Reset(RCC_APB1_PERIPH_TIM2); } else if (TIMx == TIM3) { RCC_APB1_Peripheral_Reset(RCC_APB1_PERIPH_TIM3); } else if (TIMx == TIM4) { RCC_APB1_Peripheral_Reset(RCC_APB1_PERIPH_TIM4); } else if (TIMx == TIM5) { RCC_APB1_Peripheral_Reset(RCC_APB1_PERIPH_TIM5); } else if (TIMx == TIM6) { RCC_APB1_Peripheral_Reset(RCC_APB1_PERIPH_TIM6); } else if (TIMx == TIM8) { RCC_APB2_Peripheral_Reset(RCC_APB2_PERIPH_TIM8); } } /** *\*\name TIM_Base_Count_Mode_Set. *\*\fun Initializes the TIM cnt mode in up mode or down mode. *\*\param TIMx: *\*\ - TIM1 *\*\ - TIM2 *\*\ - TIM3 *\*\ - TIM4 *\*\ - TIM5 *\*\ - TIM8 *\*\param cnt_mode *\*\ - TIM_CNT_MODE_UP *\*\ - TIM_CNT_MODE_DOWN *\*\ - TIM_CNT_MODE_CENTER_ALIGN1 TIM Center Aligned Mode1 *\*\ - TIM_CNT_MODE_CENTER_ALIGN2 TIM Center Aligned Mode2 *\*\ - TIM_CNT_MODE_CENTER_ALIGN3 TIM Center Aligned Mode3 *\*\return none *\*\note The counting direction of TIM6 is fixed upward counting **/ void TIM_Base_Count_Mode_Set(TIM_Module* TIMx, uint32_t cnt_mode) { uint32_t temp_value = 0; temp_value = TIMx->CTRL1; /* Reset the CMS and DIR Bits */ temp_value &= (uint32_t)(~((uint32_t)(TIM_CTRL1_DIR | TIM_CTRL1_CAMSEL))); /* Set the Counter Mode */ temp_value |= cnt_mode; /* Write to TIMx CTRL1 register */ TIMx->CTRL1 = temp_value; } /** *\*\name TIM_Base_Center_Aligned_Mode_OC4_7_8_9_Trigger_Set. *\*\param TIMx: *\*\ - TIM1 *\*\param trigger_mode_in_center_aligned_mode *\*\ - TIM_UP_COUNTING_OC4_7_8_9_TRIGGER_VALID *\*\ - TIM_DOWN_COUNTING_OC4_7_8_9_TRIGGER_VALID *\*\ - TIM_UP_DOWN_COUNTING_OC4_7_8_9_TRIGGER_VALID *\*\return none **/ void TIM_Base_Center_Aligned_Mode_OC4_7_8_9_Trigger_Set(TIM_Module* TIMx, uint32_t trigger_mode_in_center_aligned_mode) { uint32_t temp_value = 0; temp_value = TIMx->CTRL1; /* Reset the CMS and DIR Bits */ temp_value &= (uint32_t)(~((uint32_t)TIM_CENTER_ALIGNED_OC4_7_8_9_MASK)); /* Set the Counter Mode */ temp_value |= trigger_mode_in_center_aligned_mode; /* Write to TIMx CTRL1 register */ TIMx->CTRL1 = temp_value; } /** *\*\name TIM_Asymmetric_Enable. *\*\param TIMx: *\*\ - TIM1 *\*\return none **/ void TIM_Asymmetric_Enable(TIM_Module* TIMx) { TIMx->CTRL1 |= TIM_ASMMETRIC_ENABLE; } /** *\*\name TIM_Asymmetric_Disable. *\*\param TIMx: *\*\ - TIM1 *\*\return none **/ void TIM_Asymmetric_Disable(TIM_Module* TIMx) { TIMx->CTRL1 &= (uint32_t)(~((uint32_t)TIM_ASMMETRIC_ENABLE)); } /** *\*\name TIM_Base_Auto_Reload_Set. *\*\fun Initializes the TIM AR value *\*\param TIMx: *\*\ - TIM1 *\*\ - TIM2 *\*\ - TIM3 *\*\ - TIM4 *\*\ - TIM5 *\*\ - TIM6 *\*\ - TIM8 *\*\param auto_reload： - [1, 0xffff] *\*\return none **/ void TIM_Base_Auto_Reload_Set(TIM_Module* TIMx, uint16_t auto_reload) { TIMx->AR = auto_reload; } /** *\*\name TIM_Base_Prescaler_Set. *\*\fun Initializes the TIM PSC value *\*\param TIMx: *\*\ - TIM1 *\*\ - TIM2 *\*\ - TIM3 *\*\ - TIM4 *\*\ - TIM5 *\*\ - TIM6 *\*\ - TIM8 *\*\param prescaler *\*\return none **/ void TIM_Base_Prescaler_Set(TIM_Module* TIMx, uint16_t prescaler) { TIMx->PSC = prescaler; } /** *\*\name TIM_Base_Reload_Mode_Set. *\*\fun Initializes the TIM reload mode *\*\param TIMx: *\*\ - TIM1 *\*\ - TIM2 *\*\ - TIM3 *\*\ - TIM4 *\*\ - TIM5 *\*\ - TIM6 *\*\ - TIM8 *\*\param prescaler_reload_mode: **\ - TIM_PSC_RELOAD_MODE_IMMEDIATE **\ - TIM_PSC_RELOAD_MODE_UPDATE *\*\return none **/ void TIM_Base_Reload_Mode_Set(TIM_Module* TIMx, uint16_t prescaler_reload_mode) { TIMx->EVTGEN = prescaler_reload_mode; } /** *\*\name TIM_Base_Repeat_Count_Set. *\*\fun Initializes the TIM repeat cnt *\*\param TIMx: *\*\ - TIM1 *\*\ - TIM8 *\*\param repeat_cnt *\*\ - [0,255] *\*\return none **/ void TIM_Base_Repeat_Count_Set(TIM_Module* TIMx, uint8_t repeat_cnt) { TIMx->REPCNT = repeat_cnt; } /** *\*\name TIM_Base_Channel1. *\*\param TIMx: *\*\ - TIM1 *\*\ - TIM2 *\*\ - TIM3 *\*\ - TIM4 *\*\ - TIM5 *\*\ - TIM8 *\*\param channel_selection: **\ - 1 **\ CH1 is from COMP **\ - 0 **\ CH1 is from IO *\*\return none *\*\note not for TIM6 **/ void TIM_Base_Channel1(TIM_Module* TIMx, bool channel_selection) { if(channel_selection) { TIMx->CTRL1 |= TIM_CH1_SEL; } else { TIMx->CTRL1 &= (uint32_t)(~TIM_CH1_SEL); } } /** *\*\name TIM_Base_Channel2. *\*\param TIMx: *\*\ - TIM2 *\*\param channel_selection: **\ - 1 **\ CH2 is from LSE **\ - 0 **\ CH2 is from IO *\*\return none **/ void TIM_Base_Channel2(TIM_Module* TIMx, bool channel_selection) { if(channel_selection) { TIMx->CTRL1 |= TIM_CH2_SEL; } else { TIMx->CTRL1 &= (uint32_t)(~TIM_CH2_SEL); } } /** *\*\name TIM_Base_Channel3. *\*\param TIMx: *\*\ - TIM2 *\*\param channel_selection: **\ - 1 **\ CH3 is