/**************************************************************************** * arch/arm/src/stm32f0l0g0/stm32_pwm.h * * Copyright (C) 2019 Fundação CERTI. All rights reserved. * Author: Daniel Pereira Volpato * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS 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. * ****************************************************************************/ #ifndef __ARCH_ARM_SRC_STM32F0L0G0_STM32_PWM_H #define __ARCH_ARM_SRC_STM32F0L0G0_STM32_PWM_H /* The STM32F0L0G0 does not have dedicated PWM hardware. Rather, pulsed * output control is a capability of the STM32F0L0G0 timers. The logic in * this file implements the lower half of the standard, NuttX PWM interface * using the STM32F0L0G0 timers. That interface is described in * include/nuttx/timers/pwm.h. */ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include "chip.h" #include "hardware/stm32_tim.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /* Configuration ************************************************************/ /* Timer devices may be used for different purposes. One special purpose is * to generate modulated outputs for such things as motor control. If * CONFIG_STM32F0L0G0_TIMn is defined then the CONFIG_STM32F0L0G0_TIMn_PWM * must also be defined to indicate that timer "n" is intended to be used for * pulsed output signal generation. */ #ifndef CONFIG_STM32F0L0G0_TIM1 # undef CONFIG_STM32F0L0G0_TIM1_PWM #endif #ifndef CONFIG_STM32F0L0G0_TIM2 # undef CONFIG_STM32F0L0G0_TIM2_PWM #endif #ifndef CONFIG_STM32F0L0G0_TIM3 # undef CONFIG_STM32F0L0G0_TIM3_PWM #endif #ifndef CONFIG_STM32F0L0G0_TIM14 # undef CONFIG_STM32F0L0G0_TIM14_PWM #endif #ifndef CONFIG_STM32F0L0G0_TIM15 # undef CONFIG_STM32F0L0G0_TIM15_PWM #endif #ifndef CONFIG_STM32F0L0G0_TIM16 # undef CONFIG_STM32F0L0G0_TIM16_PWM #endif #ifndef CONFIG_STM32F0L0G0_TIM17 # undef CONFIG_STM32F0L0G0_TIM17_PWM #endif /* The basic timers (timer 6 and 7) * are not capable of generating output pulses */ #undef CONFIG_STM32F0L0G0_TIM6_PWM #undef CONFIG_STM32F0L0G0_TIM7_PWM /* Check if PWM support for any channel is enabled. */ #if defined(CONFIG_STM32F0L0G0_TIM1_PWM) || defined(CONFIG_STM32F0L0G0_TIM2_PWM) || \ defined(CONFIG_STM32F0L0G0_TIM3_PWM) || defined(CONFIG_STM32F0L0G0_TIM14_PWM) || \ defined(CONFIG_STM32F0L0G0_TIM15_PWM) || defined(CONFIG_STM32F0L0G0_TIM16_PWM) || \ defined(CONFIG_STM32F0L0G0_TIM17_PWM) #ifdef CONFIG_PWM_MULTICHAN #ifdef CONFIG_STM32F0L0G0_TIM1_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM1_CH1OUT # define PWM_TIM1_CH1CFG GPIO_TIM1_CH1OUT # else # define PWM_TIM1_CH1CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM1_CH1NOUT # define PWM_TIM1_CH1NCFG GPIO_TIM1_CH1NOUT # else # define PWM_TIM1_CH1NCFG 0 # endif # define PWM_TIM1_CHANNEL1 1 #else # define PWM_TIM1_CHANNEL1 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM1_CHANNEL2 # ifdef CONFIG_STM32F0L0G0_TIM1_CH2OUT # define PWM_TIM1_CH2CFG GPIO_TIM1_CH2OUT # else # define PWM_TIM1_CH2CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM1_CH2NOUT # define PWM_TIM1_CH2NCFG GPIO_TIM1_CH2NOUT # else # define PWM_TIM1_CH2NCFG 0 # endif # define PWM_TIM1_CHANNEL2 1 #else # define PWM_TIM1_CHANNEL2 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM1_CHANNEL3 # ifdef CONFIG_STM32F0L0G0_TIM1_CH3OUT # define PWM_TIM1_CH3CFG GPIO_TIM1_CH3OUT # else # define PWM_TIM1_CH3CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM1_CH3NOUT # define PWM_TIM1_CH3NCFG GPIO_TIM1_CH3NOUT # else # define PWM_TIM1_CH3NCFG 0 # endif # define PWM_TIM1_CHANNEL3 1 #else # define PWM_TIM1_CHANNEL3 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM1_CHANNEL4 # ifdef CONFIG_STM32F0L0G0_TIM1_CH4OUT # define PWM_TIM1_CH4CFG GPIO_TIM1_CH4OUT # else # define PWM_TIM1_CH4CFG 0 # endif # define PWM_TIM1_CHANNEL4 1 #else # define PWM_TIM1_CHANNEL4 0 #endif #define PWM_TIM1_NCHANNELS (PWM_TIM1_CHANNEL1 + PWM_TIM1_CHANNEL2 + \ PWM_TIM1_CHANNEL3 + PWM_TIM1_CHANNEL4) #ifdef CONFIG_STM32F0L0G0_TIM2_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM2_CH1OUT # define PWM_TIM2_CH1CFG GPIO_TIM2_CH1OUT # else # define PWM_TIM2_CH1CFG 0 # endif # define PWM_TIM2_CHANNEL1 1 #else # define PWM_TIM2_CHANNEL1 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM2_CHANNEL2 # ifdef CONFIG_STM32F0L0G0_TIM2_CH2OUT # define PWM_TIM2_CH2CFG GPIO_TIM2_CH2OUT # else # define PWM_TIM2_CH2CFG 0 # endif # define PWM_TIM2_CHANNEL2 1 #else # define PWM_TIM2_CHANNEL2 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM2_CHANNEL3 # ifdef CONFIG_STM32F0L0G0_TIM2_CH3OUT # define PWM_TIM2_CH3CFG GPIO_TIM2_CH3OUT # else # define PWM_TIM2_CH3CFG 0 # endif # define PWM_TIM2_CHANNEL3 1 #else # define PWM_TIM2_CHANNEL3 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM2_CHANNEL4 # ifdef CONFIG_STM32F0L0G0_TIM2_CH4OUT # define PWM_TIM2_CH4CFG GPIO_TIM2_CH4OUT # else # define PWM_TIM2_CH4CFG 0 # endif # define PWM_TIM2_CHANNEL4 1 #else # define PWM_TIM2_CHANNEL4 0 #endif #define PWM_TIM2_NCHANNELS (PWM_TIM2_CHANNEL1 + PWM_TIM2_CHANNEL2 + \ PWM_TIM2_CHANNEL3 + PWM_TIM2_CHANNEL4) #ifdef CONFIG_STM32F0L0G0_TIM3_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM3_CH1OUT # define PWM_TIM3_CH1CFG GPIO_TIM3_CH1OUT # else # define PWM_TIM3_CH1CFG 0 # endif # define PWM_TIM3_CHANNEL1 1 #else # define PWM_TIM3_CHANNEL1 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM3_CHANNEL2 # ifdef CONFIG_STM32F0L0G0_TIM3_CH2OUT # define PWM_TIM3_CH2CFG GPIO_TIM3_CH2OUT # else # define PWM_TIM3_CH2CFG 0 # endif # define PWM_TIM3_CHANNEL2 1 #else # define PWM_TIM3_CHANNEL2 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM3_CHANNEL3 # ifdef CONFIG_STM32F0L0G0_TIM3_CH3OUT # define PWM_TIM3_CH3CFG GPIO_TIM3_CH3OUT # else # define PWM_TIM3_CH3CFG 0 # endif # define PWM_TIM3_CHANNEL3 1 #else # define PWM_TIM3_CHANNEL3 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM3_CHANNEL4 # ifdef CONFIG_STM32F0L0G0_TIM3_CH4OUT # define PWM_TIM3_CH4CFG GPIO_TIM3_CH4OUT # else # define PWM_TIM3_CH4CFG 0 # endif # define PWM_TIM3_CHANNEL4 1 #else # define PWM_TIM3_CHANNEL4 0 #endif #define PWM_TIM3_NCHANNELS (PWM_TIM3_CHANNEL1 + PWM_TIM3_CHANNEL2 + \ PWM_TIM3_CHANNEL3 + PWM_TIM3_CHANNEL4) #ifdef CONFIG_STM32F0L0G0_TIM14_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM14_CH1OUT # define PWM_TIM14_CH1CFG GPIO_TIM14_CH1OUT # else # define PWM_TIM14_CH1CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM14_CH1NOUT # define PWM_TIM14_CH1NCFG GPIO_TIM14_CH1NOUT # else # define PWM_TIM14_CH1NCFG 0 # endif # define PWM_TIM14_CHANNEL1 1 #else # define PWM_TIM14_CHANNEL1 0 #endif #define PWM_TIM14_NCHANNELS PWM_TIM14_CHANNEL1 #ifdef CONFIG_STM32F0L0G0_TIM15_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM15_CH1OUT # define PWM_TIM15_CH1CFG GPIO_TIM15_CH1OUT # else # define PWM_TIM15_CH1CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM15_CH1NOUT # define PWM_TIM15_CH1NCFG GPIO_TIM15_CH1NOUT # else # define PWM_TIM15_CH1NCFG 0 # endif # define PWM_TIM15_CHANNEL1 1 #else # define PWM_TIM15_CHANNEL1 0 #endif #ifdef CONFIG_STM32F0L0G0_TIM15_CHANNEL2 # ifdef CONFIG_STM32F0L0G0_TIM15_CH2OUT # define PWM_TIM15_CH2CFG GPIO_TIM15_CH2OUT # else # define PWM_TIM15_CH2CFG 0 # endif # define PWM_TIM15_CHANNEL2 1 #else # define PWM_TIM15_CHANNEL2 0 #endif #define PWM_TIM15_NCHANNELS (PWM_TIM15_CHANNEL1 + PWM_TIM15_CHANNEL2) #ifdef CONFIG_STM32F0L0G0_TIM16_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM16_CH1OUT # define PWM_TIM16_CH1CFG GPIO_TIM16_CH1OUT # else # define PWM_TIM16_CH1CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM16_CH1NOUT # define PWM_TIM16_CH1NCFG GPIO_TIM16_CH1NOUT # else # define PWM_TIM16_CH1NCFG 0 # endif # define PWM_TIM16_CHANNEL1 1 #else # define PWM_TIM16_CHANNEL1 0 #endif #define PWM_TIM16_NCHANNELS PWM_TIM16_CHANNEL1 #ifdef CONFIG_STM32F0L0G0_TIM17_CHANNEL1 # ifdef CONFIG_STM32F0L0G0_TIM17_CH1OUT # define PWM_TIM17_CH1CFG GPIO_TIM17_CH1OUT # else # define PWM_TIM17_CH1CFG 0 # endif # ifdef CONFIG_STM32F0L0G0_TIM17_CH1NOUT # define PWM_TIM17_CH1NCFG GPIO_TIM17_CH1NOUT # else # define PWM_TIM17_CH1NCFG 0 # endif # define PWM_TIM17_CHANNEL1 1 #else # define PWM_TIM17_CHANNEL1 0 #endif #define PWM_TIM17_NCHANNELS PWM_TIM17_CHANNEL1 #define PWM_NCHANNELS MAX(PWM_TIM1_NCHANNELS, \ MAX(PWM_TIM2_NCHANNELS, \ MAX(PWM_TIM3_NCHANNELS, \ MAX(PWM_TIM14_NCHANNELS, \ MAX(PWM_TIM15_NCHANNELS, \ MAX(PWM_TIM16_NCHANNELS, \ PWM_TIM17_NCHANNELS)))))) #else /* !CONFIG_PWM_MULTICHAN */ /* For each timer that is enabled for PWM usage, we need the following * additional configuration settings: * * CONFIG_STM32F0L0G0_TIMx_CHANNEL - Specifies the timer output channel * {1,..,4} PWM_TIMx_CHn - One of the values defined in * chip/stm32*_pinmap.h. In the case where there are multiple pin * selections, the correct setting must be provided in the arch/board/board.h * file. * * NOTE: The STM32 timers are each capable of generating different signals on * each of the four channels with different duty cycles. That capability is * not supported by this driver: Only one output channel per timer. */ #ifdef CONFIG_STM32F0L0G0_TIM1_PWM # if !defined(CONFIG_STM32F0L0G0_TIM1_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM1_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM1_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM1_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM1_CH1MODE CONFIG_STM32F0L0G0_TIM1_CHMODE # define PWM_TIM1_CH1CFG GPIO_TIM1_CH1OUT # define PWM_TIM1_CH1NCFG 0 # elif CONFIG_STM32F0L0G0_TIM1_CHANNEL == 2 # define CONFIG_STM32F0L0G0_TIM1_CHANNEL2 1 # define CONFIG_STM32F0L0G0_TIM1_CH2MODE CONFIG_STM32F0L0G0_TIM1_CHMODE # define PWM_TIM1_CH2CFG GPIO_TIM1_CH2OUT # define PWM_TIM1_CH2NCFG 0 # elif CONFIG_STM32F0L0G0_TIM1_CHANNEL == 3 # define CONFIG_STM32F0L0G0_TIM1_CHANNEL3 1 # define CONFIG_STM32F0L0G0_TIM1_CH3MODE CONFIG_STM32F0L0G0_TIM1_CHMODE # define PWM_TIM1_CH3CFG GPIO_TIM1_CH3OUT # define PWM_TIM1_CH3NCFG 0 # elif CONFIG_STM32F0L0G0_TIM1_CHANNEL == 4 # define CONFIG_STM32F0L0G0_TIM1_CHANNEL4 1 # define CONFIG_STM32F0L0G0_TIM1_CH4MODE CONFIG_STM32F0L0G0_TIM1_CHMODE # define PWM_TIM1_CH4CFG GPIO_TIM1_CH4OUT # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM1_CHANNEL" # endif #endif #ifdef CONFIG_STM32F0L0G0_TIM2_PWM # if !defined(CONFIG_STM32F0L0G0_TIM2_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM2_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM2_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM2_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM2_CH1MODE CONFIG_STM32F0L0G0_TIM2_CHMODE # define PWM_TIM2_CH1CFG GPIO_TIM2_CH1OUT # elif CONFIG_STM32F0L0G0_TIM2_CHANNEL == 2 # define CONFIG_STM32F0L0G0_TIM2_CHANNEL2 1 # define CONFIG_STM32F0L0G0_TIM2_CH2MODE CONFIG_STM32F0L0G0_TIM2_CHMODE # define PWM_TIM2_CH2CFG GPIO_TIM2_CH2OUT # elif CONFIG_STM32F0L0G0_TIM2_CHANNEL == 3 # define CONFIG_STM32F0L0G0_TIM2_CHANNEL3 1 # define CONFIG_STM32F0L0G0_TIM2_CH3MODE CONFIG_STM32F0L0G0_TIM2_CHMODE # define PWM_TIM2_CH3CFG GPIO_TIM2_CH3OUT # elif CONFIG_STM32F0L0G0_TIM2_CHANNEL == 4 # define CONFIG_STM32F0L0G0_TIM2_CHANNEL4 1 # define CONFIG_STM32F0L0G0_TIM2_CH4MODE CONFIG_STM32F0L0G0_TIM2_CHMODE # define PWM_TIM2_CH4CFG GPIO_TIM2_CH4OUT # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM2_CHANNEL" # endif #endif #ifdef CONFIG_STM32F0L0G0_TIM3_PWM # if !defined(CONFIG_STM32F0L0G0_TIM3_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM3_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM3_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM3_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM3_CH1MODE CONFIG_STM32F0L0G0_TIM3_CHMODE # define PWM_TIM3_CH1CFG GPIO_TIM3_CH1OUT # elif CONFIG_STM32F0L0G0_TIM3_CHANNEL == 2 # define CONFIG_STM32F0L0G0_TIM3_CHANNEL2 1 # define CONFIG_STM32F0L0G0_TIM3_CH2MODE CONFIG_STM32F0L0G0_TIM3_CHMODE # define PWM_TIM3_CH2CFG GPIO_TIM3_CH2OUT # elif CONFIG_STM32F0L0G0_TIM3_CHANNEL == 3 # define CONFIG_STM32F0L0G0_TIM3_CHANNEL3 1 # define CONFIG_STM32F0L0G0_TIM3_CH3MODE CONFIG_STM32F0L0G0_TIM3_CHMODE # define PWM_TIM3_CH3CFG GPIO_TIM3_CH3OUT # elif CONFIG_STM32F0L0G0_TIM3_CHANNEL == 4 # define CONFIG_STM32F0L0G0_TIM3_CHANNEL4 1 # define CONFIG_STM32F0L0G0_TIM3_CH4MODE CONFIG_STM32F0L0G0_TIM3_CHMODE # define PWM_TIM3_CH4CFG GPIO_TIM3_CH4OUT # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM3_CHANNEL" # endif #endif #ifdef CONFIG_STM32F0L0G0_TIM14_PWM # if !defined(CONFIG_STM32F0L0G0_TIM14_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM14_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM14_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM14_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM14_CH1MODE CONFIG_STM32F0L0G0_TIM14_CHMODE # define PWM_TIM14_CH1CFG GPIO_TIM14_CH1OUT # define PWM_TIM14_CH1NCFG 0 # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM14_CHANNEL" # endif #endif #ifdef CONFIG_STM32F0L0G0_TIM15_PWM # if !defined(CONFIG_STM32F0L0G0_TIM15_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM15_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM15_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM15_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM15_CH1MODE CONFIG_STM32F0L0G0_TIM15_CHMODE # define PWM_TIM15_CH1CFG GPIO_TIM15_CH1OUT # define PWM_TIM15_CH1NCFG 0 # elif CONFIG_STM32F0L0G0_TIM15_CHANNEL == 2 # define CONFIG_STM32F0L0G0_TIM15_CHANNEL2 1 # define CONFIG_STM32F0L0G0_TIM15_CH2MODE CONFIG_STM32F0L0G0_TIM15_CHMODE # define PWM_TIM15_CH2CFG GPIO_TIM15_CH2OUT # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM15_CHANNEL" # endif #endif #ifdef CONFIG_STM32F0L0G0_TIM16_PWM # if !defined(CONFIG_STM32F0L0G0_TIM16_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM16_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM16_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM16_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM16_CH1MODE CONFIG_STM32F0L0G0_TIM16_CHMODE # define PWM_TIM16_CH1CFG GPIO_TIM16_CH1OUT # define PWM_TIM16_CH1NCFG 0 # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM16_CHANNEL" # endif #endif #ifdef CONFIG_STM32F0L0G0_TIM17_PWM # if !defined(CONFIG_STM32F0L0G0_TIM17_CHANNEL) # error "CONFIG_STM32F0L0G0_TIM17_CHANNEL must be provided" # elif CONFIG_STM32F0L0G0_TIM17_CHANNEL == 1 # define CONFIG_STM32F0L0G0_TIM17_CHANNEL1 1 # define CONFIG_STM32F0L0G0_TIM17_CH1MODE CONFIG_STM32F0L0G0_TIM17_CHMODE # define PWM_TIM17_CH1CFG GPIO_TIM17_CH1OUT # define PWM_TIM17_CH1NCFG 0 # else # error "Unsupported value of CONFIG_STM32F0L0G0_TIM17_CHANNEL" # endif #endif #define PWM_NCHANNELS 1 #endif /* Complementary outputs support */ #if defined(CONFIG_STM32F0L0G0_TIM1_CH1NOUT) || defined(CONFIG_STM32F0L0G0_TIM1_CH2NOUT) || \ defined(CONFIG_STM32F0L0G0_TIM1_CH3NOUT) # define HAVE_TIM1_COMPLEMENTARY #endif #if defined(CONFIG_STM32F0L0G0_TIM15_CH1NOUT) # define HAVE_TIM15_COMPLEMENTARY #endif #if defined(CONFIG_STM32F0L0G0_TIM16_CH1NOUT) # define HAVE_TIM16_COMPLEMENTARY #endif #if defined(CONFIG_STM32F0L0G0_TIM17_CH1NOUT) # define HAVE_TIM17_COMPLEMENTARY #endif #if defined(HAVE_TIM1_COMPLEMENTARY) || defined(HAVE_TIM8_COMPLEMENTARY) || \ defined(HAVE_TIM15_COMPLEMENTARY) || defined(HAVE_TIM16_COMPLEMENTARY) || \ defined(HAVE_TIM17_COMPLEMENTARY) # define HAVE_PWM_COMPLEMENTARY #endif /**************************************************************************** * Public Types ****************************************************************************/ /**************************************************************************** * Public Data ****************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Functions Prototypes ****************************************************************************/ /**************************************************************************** * Name: stm32_pwminitialize * * Description: * Initialize one timer for use with the upper_level PWM driver. * * Input Parameters: * timer - A number identifying the timer use. The number of valid timer * IDs varies with the STM32 MCU and MCU family but is somewhere in * the range of {1,..,17}. * * Returned Value: * On success, a pointer to the STM32 lower half PWM driver is returned. * NULL is returned on any failure. * ****************************************************************************/ struct pwm_lowerhalf_s *stm32_pwminitialize(int timer); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* CONFIG_STM32F0L0G0_TIMx_PWM */ #endif /* __ARCH_ARM_SRC_STM32F0L0G0_STM32_PWM_H */