From 79ad42bc2b8e9013d0a02a9d758fa8af36322b27 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Mon, 19 Aug 2013 14:28:03 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6182 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32/TIMv1/st_lld.c | 138 ++++++++++++++++++++++++++++++++++ os/hal/platforms/STM32/TIMv1/st_lld.h | 97 ++++++++++++++++++++++++ os/hal/platforms/STM32/st_lld.c | 138 ---------------------------------- os/hal/platforms/STM32/st_lld.h | 97 ------------------------ 4 files changed, 235 insertions(+), 235 deletions(-) create mode 100644 os/hal/platforms/STM32/TIMv1/st_lld.c create mode 100644 os/hal/platforms/STM32/TIMv1/st_lld.h delete mode 100644 os/hal/platforms/STM32/st_lld.c delete mode 100644 os/hal/platforms/STM32/st_lld.h (limited to 'os/hal/platforms/STM32') diff --git a/os/hal/platforms/STM32/TIMv1/st_lld.c b/os/hal/platforms/STM32/TIMv1/st_lld.c new file mode 100644 index 000000000..debfde38f --- /dev/null +++ b/os/hal/platforms/STM32/TIMv1/st_lld.c @@ -0,0 +1,138 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/st_lld.c + * @brief ST Driver subsystem low level driver code. + * + * @addtogroup ST + * @{ + */ + +#include "hal.h" + +#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +#if (OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC) || defined(__DOXYGEN__) +/** + * @brief System Timer vector. + * @details This interrupt is used for system tick in periodic mode. + * + * @isr + */ +OSAL_IRQ_HANDLER(SysTick_Handler) { + + OSAL_IRQ_PROLOGUE(); + + osalSysLockFromISR(); + osalOsTimerHandlerI(); + osalSysUnlockFromISR(); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) || defined(__DOXYGEN__) +/** + * @brief TIM2 interrupt handler. + * @details This interrupt is used for system tick in free running mode. + * + * @isr + */ +OSAL_IRQ_HANDLER(STM32_TIM2_HANDLER) { + + OSAL_IRQ_PROLOGUE(); + + STM32_TIM2->SR = 0; + + osalSysLockFromISR(); + osalOsTimerHandlerI(); + osalSysUnlockFromISR(); + + OSAL_IRQ_EPILOGUE(); +} +#endif + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level ST driver initialization. + * + * @notapi + */ +void st_lld_init(void) { + +#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING + /* Free running counter mode.*/ + rccEnableTIM2(FALSE); + + /* Initializing the counter in free running mode.*/ + STM32_TIM2->PSC = STM32_TIMCLK2 / OSAL_SYSTICK_FREQUENCY - 1; + STM32_TIM2->ARR = 0xFFFFFFFF; + STM32_TIM2->CCMR1 = 0; + STM32_TIM2->CCR[0] = 0; + STM32_TIM2->DIER = 0; + STM32_TIM2->CR2 = 0; + STM32_TIM2->EGR = TIM_EGR_UG; + STM32_TIM2->CR1 = TIM_CR1_CEN; + + /* IRQ enabled.*/ + nvicEnableVector(STM32_TIM2_NUMBER, ST_TIMER_PRIORITY); +#endif + +#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC + /* Periodic systick mode, the Cortex-Mx internal systick timer is used + in this mode.*/ + SysTick->LOAD = STM32_HCLK / OSAL_SYSTICK_FREQUENCY - 1; + SysTick->VAL = 0; + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_ENABLE_Msk | + SysTick_CTRL_TICKINT_Msk; + + /* IRQ enabled.*/ + nvicSetSystemHandlerPriority(SysTick_IRQn, ST_TIMER_PRIORITY); +#endif +} + +#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */ + +/** @} */ diff --git a/os/hal/platforms/STM32/TIMv1/st_lld.h b/os/hal/platforms/STM32/TIMv1/st_lld.h new file mode 100644 index 000000000..78929cac5 --- /dev/null +++ b/os/hal/platforms/STM32/TIMv1/st_lld.h @@ -0,0 +1,97 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/st_lld.h + * @brief ST Driver subsystem low level driver header. + * + * @addtogroup ST + * @{ + */ + +#ifndef _ST_LLD_H_ +#define _ST_LLD_H_ + +#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__) + +#include "stm32_tim.h" + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief SysTick timer priority. + */ +#if !defined(ST_TIMER_PRIORITY) || defined(__DOXYGEN__) +#define ST_TIMER_PRIORITY 8 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if !(OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC) && \ + !(OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) +#error "invalid OSAL_ST_MODE setting in osal.h" +#endif + +#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) && !STM32_HAS_TIM2 +#error "TIM2 not present in the selected device" +#endif + +#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) && !STM32_TIM2_IS_32BITS +#error "TIM2 is not a 32 bits timer" +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void st_lld_init(void); +#ifdef __cplusplus +} +#endif + +/*===========================================================================*/ +/* Driver inline functions. */ +/*===========================================================================*/ + +#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */ + +#endif /* _ST_LLD_H_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32/st_lld.c b/os/hal/platforms/STM32/st_lld.c deleted file mode 100644 index debfde38f..000000000 --- a/os/hal/platforms/STM32/st_lld.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/st_lld.c - * @brief ST Driver subsystem low level driver code. - * - * @addtogroup ST - * @{ - */ - -#include "hal.h" - -#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__) - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver exported variables. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local types. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local variables and types. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local functions. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver interrupt handlers. */ -/*===========================================================================*/ - -#if (OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC) || defined(__DOXYGEN__) -/** - * @brief System Timer vector. - * @details This interrupt is used for system tick in periodic mode. - * - * @isr - */ -OSAL_IRQ_HANDLER(SysTick_Handler) { - - OSAL_IRQ_PROLOGUE(); - - osalSysLockFromISR(); - osalOsTimerHandlerI(); - osalSysUnlockFromISR(); - - OSAL_IRQ_EPILOGUE(); -} -#endif - -#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) || defined(__DOXYGEN__) -/** - * @brief TIM2 interrupt handler. - * @details This interrupt is used for system tick in free running mode. - * - * @isr - */ -OSAL_IRQ_HANDLER(STM32_TIM2_HANDLER) { - - OSAL_IRQ_PROLOGUE(); - - STM32_TIM2->SR = 0; - - osalSysLockFromISR(); - osalOsTimerHandlerI(); - osalSysUnlockFromISR(); - - OSAL_IRQ_EPILOGUE(); -} -#endif - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/** - * @brief Low level ST driver initialization. - * - * @notapi - */ -void st_lld_init(void) { - -#if OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING - /* Free running counter mode.*/ - rccEnableTIM2(FALSE); - - /* Initializing the counter in free running mode.*/ - STM32_TIM2->PSC = STM32_TIMCLK2 / OSAL_SYSTICK_FREQUENCY - 1; - STM32_TIM2->ARR = 0xFFFFFFFF; - STM32_TIM2->CCMR1 = 0; - STM32_TIM2->CCR[0] = 0; - STM32_TIM2->DIER = 0; - STM32_TIM2->CR2 = 0; - STM32_TIM2->EGR = TIM_EGR_UG; - STM32_TIM2->CR1 = TIM_CR1_CEN; - - /* IRQ enabled.*/ - nvicEnableVector(STM32_TIM2_NUMBER, ST_TIMER_PRIORITY); -#endif - -#if OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC - /* Periodic systick mode, the Cortex-Mx internal systick timer is used - in this mode.*/ - SysTick->LOAD = STM32_HCLK / OSAL_SYSTICK_FREQUENCY - 1; - SysTick->VAL = 0; - SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | - SysTick_CTRL_ENABLE_Msk | - SysTick_CTRL_TICKINT_Msk; - - /* IRQ enabled.*/ - nvicSetSystemHandlerPriority(SysTick_IRQn, ST_TIMER_PRIORITY); -#endif -} - -#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */ - -/** @} */ diff --git a/os/hal/platforms/STM32/st_lld.h b/os/hal/platforms/STM32/st_lld.h deleted file mode 100644 index 78929cac5..000000000 --- a/os/hal/platforms/STM32/st_lld.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/st_lld.h - * @brief ST Driver subsystem low level driver header. - * - * @addtogroup ST - * @{ - */ - -#ifndef _ST_LLD_H_ -#define _ST_LLD_H_ - -#if (OSAL_ST_MODE != OSAL_ST_MODE_NONE) || defined(__DOXYGEN__) - -#include "stm32_tim.h" - -/*===========================================================================*/ -/* Driver constants. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver pre-compile time settings. */ -/*===========================================================================*/ - -/** - * @name Configuration options - * @{ - */ -/** - * @brief SysTick timer priority. - */ -#if !defined(ST_TIMER_PRIORITY) || defined(__DOXYGEN__) -#define ST_TIMER_PRIORITY 8 -#endif -/** @} */ - -/*===========================================================================*/ -/* Derived constants and error checks. */ -/*===========================================================================*/ - -#if !(OSAL_ST_MODE == OSAL_ST_MODE_PERIODIC) && \ - !(OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) -#error "invalid OSAL_ST_MODE setting in osal.h" -#endif - -#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) && !STM32_HAS_TIM2 -#error "TIM2 not present in the selected device" -#endif - -#if (OSAL_ST_MODE == OSAL_ST_MODE_FREERUNNING) && !STM32_TIM2_IS_32BITS -#error "TIM2 is not a 32 bits timer" -#endif - -/*===========================================================================*/ -/* Driver data structures and types. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver macros. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* External declarations. */ -/*===========================================================================*/ - -#ifdef __cplusplus -extern "C" { -#endif - void st_lld_init(void); -#ifdef __cplusplus -} -#endif - -/*===========================================================================*/ -/* Driver inline functions. */ -/*===========================================================================*/ - -#endif /* OSAL_ST_MODE != OSAL_ST_MODE_NONE */ - -#endif /* _ST_LLD_H_ */ - -/** @} */ -- cgit v1.2.3