/* ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ /** * @file SYSTICKv1/hal_st_lld.h * @brief ST Driver subsystem low level driver header. * @details This header is designed to be include-able without having to * include other files from the HAL. * * @addtogroup ST * @{ */ #ifndef HAL_ST_LLD_H #define HAL_ST_LLD_H /*===========================================================================*/ /* Driver constants. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver pre-compile time settings. */ /*===========================================================================*/ /** * @name Configuration options * @{ */ /** * @brief SysTick timer IRQ priority. */ #if !defined(STM32_ST_IRQ_PRIORITY) || defined(__DOXYGEN__) #define STM32_ST_IRQ_PRIORITY 8 #endif /** * @brief TIMx unit (by number) to be used for free running operations. * @note You must select a 32 bits timer if a 32 bits @p systick_t type * is required. * @note Timers 1, 2, 3, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, * 21 and 22 are supported. */ #if !defined(STM32_ST_USE_TIMER) || defined(__DOXYGEN__) #define STM32_ST_USE_TIMER 2 #endif /** * @brief Overrides the number of supported alarms. * @note The default number of alarms is equal to the number of * comparators in the timer, overriding it to one makes * the driver a little faster and smaller. The kernel itself * only needs one alarm, additional features could need more. * @note Zero means do not override. * @note This setting is only meaningful in free running mode, in * tick mode there are no alarms. */ #if !defined(STM32_ST_OVERRIDE_ALARMS) || defined(__DOXYGEN__) #define STM32_ST_OVERRIDE_ALARMS 1 #endif /** @} */ /*===========================================================================*/ /* Derived constants and error checks. */ /*===========================================================================*/ /* This has to go after transition to shared handlers is complete for all platforms.*/ #if !defined(STM32_HAS_TIM1) #define STM32_HAS_TIM1 FALSE #endif #if !defined(STM32_HAS_TIM2) #define STM32_HAS_TIM2 FALSE #endif #if !defined(STM32_HAS_TIM3) #define STM32_HAS_TIM3 FALSE #endif #if !defined(STM32_HAS_TIM4) #define STM32_HAS_TIM4 FALSE #endif #if !defined(STM32_HAS_TIM5) #define STM32_HAS_TIM5 FALSE #endif #if !defined(STM32_HAS_TIM8) #define STM32_HAS_TIM8 FALSE #endif #if !defined(STM32_HAS_TIM9) #define STM32_HAS_TIM9 FALSE #endif #if !defined(STM32_HAS_TIM10) #define STM32_HAS_TIM10 FALSE #endif #if !defined(STM32_HAS_TIM11) #define STM32_HAS_TIM11 FALSE #endif #if !defined(STM32_HAS_TIM12) #define STM32_HAS_TIM12 FALSE #endif #if !defined(STM32_HAS_TIM13) #define STM32_HAS_TIM13 FALSE #endif #if !defined(STM32_HAS_TIM14) #define STM32_HAS_TIM14 FALSE #endif #if !defined(STM32_HAS_TIM15) #define STM32_HAS_TIM15 FALSE #endif #if !defined(STM32_HAS_TIM16) #define STM32_HAS_TIM16 FALSE #endif #if !defined(STM32_HAS_TIM17) #define STM32_HAS_TIM17 FALSE #endif #if !defined(STM32_HAS_TIM21) #define STM32_HAS_TIM21 FALSE #endif #if !defined(STM32_HAS_TIM22) #define STM32_HAS_TIM22 FALSE #endif /* End of checks to be removed.*/ #if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING #if STM32_ST_USE_TIMER == 1 #if defined(STM32_TIM1_IS_USED) #error "ST requires TIM1 but the timer is already used" #else #define STM32_TIM1_IS_USED #endif #if defined(STM32_TIM1_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM1 #define ST_LLD_NUM_ALARMS STM32_TIM1_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 TRUE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 2 #if defined(STM32_TIM2_IS_USED) #error "ST requires TIM2 but the timer is already used" #else #define STM32_TIM2_IS_USED #endif #if defined(STM32_TIM2_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM2 #define ST_LLD_NUM_ALARMS STM32_TIM2_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 TRUE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 3 #if defined(STM32_TIM3_IS_USED) #error "ST requires TIM3 but the timer is already used" #else #define STM32_TIM3_IS_USED #endif #if defined(STM32_TIM3_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM3 #define ST_LLD_NUM_ALARMS STM32_TIM3_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 TRUE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 4 #if defined(STM32_TIM4_IS_USED) #error "ST requires TIM4 but the timer is already used" #else #define STM32_TIM4_IS_USED #endif #if defined(STM32_TIM4_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM4 #define ST_LLD_NUM_ALARMS STM32_TIM4_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 TRUE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 5 #if defined(STM32_TIM5_IS_USED) #error "ST requires TIM5 but the timer is already used" #else #define STM32_TIM5_IS_USED #endif #if defined(STM32_TIM5_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM5 #define ST_LLD_NUM_ALARMS STM32_TIM5_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 TRUE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 8 #if defined(STM32_TIM8_IS_USED) #error "ST requires TIM8 but the timer is already used" #else #define STM32_TIM8_IS_USED #endif #if defined(STM32_TIM8_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM8 #define ST_LLD_NUM_ALARMS STM32_TIM8_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 TRUE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 9 #if defined(STM32_TIM9_IS_USED) #error "ST requires TIM9 but the timer is already used" #else #define STM32_TIM9_IS_USED #endif #if defined(STM32_TIM9_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM9 #define ST_LLD_NUM_ALARMS STM32_TIM9_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 TRUE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 10 #if defined(STM32_TIM10_IS_USED) #error "ST requires TIM10 but the timer is already used" #else #define STM32_TIM10_IS_USED #endif #if defined(STM32_TIM10_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM10 #define ST_LLD_NUM_ALARMS STM32_TIM10_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 TRUE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 11 #if defined(STM32_TIM11_IS_USED) #error "ST requires TIM11 but the timer is already used" #else #define STM32_TIM11_IS_USED #endif #if defined(STM32_TIM11_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM11 #define ST_LLD_NUM_ALARMS STM32_TIM11_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 TRUE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 12 #if defined(STM32_TIM12_IS_USED) #error "ST requires TIM12 but the timer is already used" #else #define STM32_TIM12_IS_USED #endif #if defined(STM32_TIM12_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM12 #define ST_LLD_NUM_ALARMS STM32_TIM12_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 TRUE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 13 #if defined(STM32_TIM13_IS_USED) #error "ST requires TIM13 but the timer is already used" #else #define STM32_TIM13_IS_USED #endif #if defined(STM32_TIM13_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM13 #define ST_LLD_NUM_ALARMS STM32_TIM13_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 TRUE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 14 #if defined(STM32_TIM14_IS_USED) #error "ST requires TIM14 but the timer is already used" #else #define STM32_TIM14_IS_USED #endif #if defined(STM32_TIM14_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM14 #define ST_LLD_NUM_ALARMS STM32_TIM14_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 TRUE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 15 #if defined(STM32_TIM15_IS_USED) #error "ST requires TIM15 but the timer is already used" #else #define STM32_TIM15_IS_USED #endif #if defined(STM32_TIM15_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM15 #define ST_LLD_NUM_ALARMS STM32_TIM15_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 TRUE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 16 #if defined(STM32_TIM16_IS_USED) #error "ST requires TIM16 but the timer is already used" #else #define STM32_TIM16_IS_USED #endif #if defined(STM32_TIM16_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM16 #define ST_LLD_NUM_ALARMS STM32_TIM16_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 TRUE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 17 #if defined(STM32_TIM17_IS_USED) #error "ST requires TIM17 but the timer is already used" #else #define STM32_TIM17_IS_USED #endif #if defined(STM32_TIM17_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM17 #define ST_LLD_NUM_ALARMS STM32_TIM17_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 TRUE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 21 #if defined(STM32_TIM21_IS_USED) #error "ST requires TIM21 but the timer is already used" #else #define STM32_TIM21_IS_USED #endif #if defined(STM32_TIM21_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM21 #define ST_LLD_NUM_ALARMS STM32_TIM21_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 TRUE #define STM32_ST_USE_TIM22 FALSE #elif STM32_ST_USE_TIMER == 22 #if defined(STM32_TIM22_IS_USED) #error "ST requires TIM22 but the timer is already used" #else #define STM32_TIM22_IS_USED #endif #if defined(STM32_TIM22_SUPPRESS_ISR) #define STM32_SYSTICK_SUPPRESS_ISR #endif #define STM32_ST_TIM STM32_TIM22 #define ST_LLD_NUM_ALARMS STM32_TIM22_CHANNELS #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 TRUE #else #error "STM32_ST_USE_TIMER specifies an unsupported timer" #endif #if (STM32_ST_OVERRIDE_ALARMS < 0) || \ (STM32_ST_OVERRIDE_ALARMS > ST_LLD_NUM_ALARMS) #error "invalid STM32_ST_OVERRIDE_ALARMS value" #endif #if STM32_ST_OVERRIDE_ALARMS > 0 #undef ST_LLD_NUM_ALARMS #define ST_LLD_NUM_ALARMS STM32_ST_OVERRIDE_ALARMS #endif #elif OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC #define STM32_ST_USE_SYSTICK TRUE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #else #define STM32_ST_USE_SYSTICK FALSE #define STM32_ST_USE_TIM1 FALSE #define STM32_ST_USE_TIM2 FALSE #define STM32_ST_USE_TIM3 FALSE #define STM32_ST_USE_TIM4 FALSE #define STM32_ST_USE_TIM5 FALSE #define STM32_ST_USE_TIM8 FALSE #define STM32_ST_USE_TIM9 FALSE #define STM32_ST_USE_TIM10 FALSE #define STM32_ST_USE_TIM11 FALSE #define STM32_ST_USE_TIM12 FALSE #define STM32_ST_USE_TIM13 FALSE #define STM32_ST_USE_TIM14 FALSE #define STM32_ST_USE_TIM15 FALSE #define STM32_ST_USE_TIM16 FALSE #define STM32_ST_USE_TIM17 FALSE #define STM32_ST_USE_TIM21 FALSE #define STM32_ST_USE_TIM22 FALSE #endif /*===========================================================================*/ /* Driver data structures and types. */ /*===========================================================================*/ /*===========================================================================*/ /* Driver macros. */ /*===========================================================================*/ /*===========================================================================*/ /* External declarations. */ /*===========================================================================*/ #ifdef __cplusplus extern "C" { #endif void st_lld_init(void); void st_lld_serve_interrupt(void); #ifdef __cplusplus } #endif /*===========================================================================*/ /* Driver inline functions. */ /*===========================================================================*/ #if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) || defined(__DOXYGEN__) /** * @brief Returns the time counter value. * * @return The counter value. * * @notapi */ static inline systime_t st_lld_get_counter(void) { return (systime_t)STM32_ST_TIM->CNT; } /** * @brief Starts the alarm. * @note Makes sure that no spurious alarms are triggered after * this call. * * @param[in] abstime the time to be set for the first alarm * * @notapi */ static inline void st_lld_start_alarm(systime_t abstime) { STM32_ST_TIM->CCR[0] = (uint32_t)abstime; STM32_ST_TIM->SR = 0; #if ST_LLD_NUM_ALARMS == 1 STM32_ST_TIM->DIER = STM32_TIM_DIER_CC1IE; #else STM32_ST_TIM->DIER |= STM32_TIM_DIER_CC1IE; #endif } /** * @brief Stops the alarm interrupt. * * @notapi */ static inline void st_lld_stop_alarm(void) { #if ST_LLD_NUM_ALARMS == 1 STM32_ST_TIM->DIER = 0U; #else STM32_ST_TIM->DIER &= ~STM32_TIM_DIER_CC1IE; #endif } /** * @brief Sets the alarm time. * * @param[in] abstime the time to be set for the next alarm * * @notapi */ static inline void st_lld_set_alarm(systime_t abstime) { STM32_ST_TIM->CCR[0] = (uint32_t)abstime; } /** * @brief Returns the current alarm time. * * @return The currently set alarm time. * * @notapi */ static inline systime_t st_lld_get_alarm(void) { return (systime_t)STM32_ST_TIM->CCR[0]; } /** * @brief Determines if the alarm is active. * * @return The alarm status. * @retval false if the alarm is not active. * @retval true is the alarm is active * * @notapi */ static inline bool st_lld_is_alarm_active(void) { return (bool)((STM32_ST_TIM->DIER & STM32_TIM_DIER_CC1IE) != 0); } #if (ST_LLD_NUM_ALARMS > 1) || defined(__DOXYGEN__) /** * @brief Starts an alarm. * @note Makes sure that no spurious alarms are triggered after * this call. * @note This functionality is only available in free running mode, the * behavior in periodic mode is undefined. * * @param[in] abstime the time to be set for the first alarm * @param[in] alarm alarm channel number * * @notapi */ static inline void st_lld_start_alarm_n(unsigned alarm, systime_t abstime) { STM32_ST_TIM->CCR[alarm] = (uint32_t)abstime; STM32_ST_TIM->SR = 0; STM32_ST_TIM->DIER |= (STM32_TIM_DIER_CC1IE << alarm); } /** * @brief Stops an alarm interrupt. * @note This functionality is only available in free running mode, the * behavior in periodic mode is undefined. * * @param[in] alarm alarm channel number * * @notapi */ static inline void st_lld_stop_alarm_n(unsigned alarm) { STM32_ST_TIM->DIER &= ~(STM32_TIM_DIER_CC1IE << alarm); } /** * @brief Sets an alarm time. * @note This functionality is only available in free running mode, the * behavior in periodic mode is undefined. * * @param[in] alarm alarm channel number * @param[in] abstime the time to be set for the next alarm * * @notapi */ static inline void st_lld_set_alarm_n(unsigned alarm, systime_t abstime) { STM32_ST_TIM->CCR[alarm] = (uint32_t)abstime; } /** * @brief Returns an alarm current time. * @note This functionality is only available in free running mode, the * behavior in periodic mode is undefined. * * @param[in] alarm alarm channel number * @return The currently set alarm time. * * @notapi */ static inline systime_t st_lld_get_alarm_n(unsigned alarm) { return (systime_t)STM32_ST_TIM->CCR[alarm]; } /** * @brief Determines if an alarm is active. * * @param[in] alarm alarm channel number * @return The alarm status. * @retval false if the alarm is not active. * @retval true is the alarm is active * * @notapi */ static inline bool st_lld_is_alarm_active_n(unsigned alarm) { return (bool)((STM32_ST_TIM->DIER & (STM32_TIM_DIER_CC1IE << alarm)) != 0); } #endif /* ST_LLD_NUM_ALARMS > 1 */ #endif /* OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING */ #endif /* HAL_ST_LLD_H */ /** @} */