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intros: added stm32g0 port
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‎intros/port/cortexm/device/stm32f0/osport.h‎

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#include "osconfig.h"
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#endif
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#include "osdefs.h"
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#include "osmpu.h"
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#ifdef __cplusplus
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extern "C" {

‎intros/port/cortexm/device/stm32g0/osport.c‎

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/******************************************************************************
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@file IntrOS: osport.c
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@author Rajmund Szymanski
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@date 14.10.2022
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@brief IntrOS port file for STM32G0 uC.
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******************************************************************************
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Copyright (c) 2018-2022 Rajmund Szymanski. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to
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deal in the Software without restriction, including without limitation the
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rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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******************************************************************************/
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#include "oskernel.h"
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/* -------------------------------------------------------------------------- */
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void port_sys_init( void )
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{
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#if HW_TIMER_SIZE == 0
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/******************************************************************************
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Non-tick-less mode: configuration of system timer
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It must generate interrupts with frequency OS_FREQUENCY
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*******************************************************************************/
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#if (CPU_FREQUENCY)/(OS_FREQUENCY)-1 <= SysTick_LOAD_RELOAD_Msk
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SysTick_Config((CPU_FREQUENCY)/(OS_FREQUENCY));
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#elif defined(ST_FREQUENCY) && \
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(ST_FREQUENCY)/(OS_FREQUENCY)-1 <= SysTick_LOAD_RELOAD_Msk
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NVIC_SetPriority(SysTick_IRQn, 0xFF);
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SysTick->LOAD = (ST_FREQUENCY)/(OS_FREQUENCY)-1;
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SysTick->VAL = 0U;
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SysTick->CTRL = SysTick_CTRL_ENABLE_Msk|SysTick_CTRL_TICKINT_Msk;
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#else
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#error Incorrect SysTick frequency!
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#endif
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/******************************************************************************
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End of configuration
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*******************************************************************************/
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#else //HW_TIMER_SIZE
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/******************************************************************************
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Tick-less mode: configuration of system timer
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It must be rescaled to frequency OS_FREQUENCY
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*******************************************************************************/
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#if (CPU_FREQUENCY)/(OS_FREQUENCY)-1 > UINT16_MAX
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#error Incorrect Timer frequency!
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#endif
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RCC->APBENR1 |= RCC_APBENR1_TIM7EN;
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#if HW_TIMER_SIZE < OS_TIMER_SIZE
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NVIC_SetPriority(TIM7_IRQn, 0xFF);
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NVIC_EnableIRQ(TIM7_IRQn);
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#else
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__ISB();
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#endif
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#if HW_TIMER_SIZE > OS_TIMER_SIZE
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TIM7->ARR = CNT_MAX;
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#endif
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TIM7->PSC = (CPU_FREQUENCY)/(OS_FREQUENCY)-1;
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TIM7->EGR = TIM_EGR_UG;
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TIM7->CR1 = TIM_CR1_CEN;
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#if HW_TIMER_SIZE < OS_TIMER_SIZE
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TIM7->DIER = TIM_DIER_UIE;
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#endif
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/******************************************************************************
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End of configuration
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*******************************************************************************/
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#endif//HW_TIMER_SIZE
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}
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/* -------------------------------------------------------------------------- */
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#if HW_TIMER_SIZE == 0
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/******************************************************************************
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Non-tick-less mode: interrupt handler of system timer
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*******************************************************************************/
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void SysTick_Handler( void )
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{
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SysTick->CTRL;
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core_sys_tick();
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}
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/******************************************************************************
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End of the handler
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*******************************************************************************/
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#else //HW_TIMER_SIZE
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/******************************************************************************
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Tick-less mode: interrupt handler of system timer
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*******************************************************************************/
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#if HW_TIMER_SIZE < OS_TIMER_SIZE
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void TIM7_IRQHandler( void )
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{
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// if (TIM7->SR & TIM_SR_UIF)
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{
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TIM7->SR = ~TIM_SR_UIF;
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core_sys_tick();
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__ISB(); // delay because of GNUCC
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}
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}
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#endif
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/******************************************************************************
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End of the handler
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*******************************************************************************/
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/******************************************************************************
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Tick-less mode: return current system time
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*******************************************************************************/
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#if HW_TIMER_SIZE < OS_TIMER_SIZE
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cnt_t port_sys_time( void )
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{
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cnt_t cnt;
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uint32_t tck;
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cnt = System.cnt;
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tck = TIM7->CNT;
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if (TIM7->SR & TIM_SR_UIF)
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{
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tck = TIM7->CNT;
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cnt += (cnt_t)(1) << (HW_TIMER_SIZE);
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}
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return cnt + tck;
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}
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#endif
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/******************************************************************************
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End of the function
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*******************************************************************************/
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#endif//HW_TIMER_SIZE
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/* -------------------------------------------------------------------------- */

‎intros/port/cortexm/device/stm32g0/osport.h‎

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/******************************************************************************
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@file IntrOS: osport.h
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@author Rajmund Szymanski
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@date 14.10.2022
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@brief IntrOS port definitions for STM32G0 uC.
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******************************************************************************
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Copyright (c) 2018-2022 Rajmund Szymanski. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to
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deal in the Software without restriction, including without limitation the
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rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
16+
sell copies of the Software, and to permit persons to whom the Software is
17+
furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24+
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26+
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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******************************************************************************/
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#ifndef __INTROSPORT_H
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#define __INTROSPORT_H
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#include "stm32g0xx.h"
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#ifndef NOCONFIG
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#include "osconfig.h"
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#endif
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#include "osdefs.h"
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#include "osmpu.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* -------------------------------------------------------------------------- */
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#ifndef CPU_FREQUENCY
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#define CPU_FREQUENCY 64000000 /* Hz */
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#endif
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/* -------------------------------------------------------------------------- */
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#ifndef OS_FREQUENCY
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#define OS_FREQUENCY 1000 /* Hz */
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#endif
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/* -------------------------------------------------------------------------- */
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// !! WARNING! OS_TIMER_SIZE < HW_TIMER_SIZE may cause unexpected problems !!
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#ifndef OS_TIMER_SIZE
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#define OS_TIMER_SIZE 32 /* bit size of system timer counter */
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#endif
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/* -------------------------------------------------------------------------- */
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// !! WARNING! OS_TIMER_SIZE < HW_TIMER_SIZE may cause unexpected problems !!
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#ifdef HW_TIMER_SIZE
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#error HW_TIMER_SIZE is an internal os definition!
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#elif OS_FREQUENCY > 1000
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#define HW_TIMER_SIZE 16 /* bit size of hardware timer */
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#else
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#define HW_TIMER_SIZE 0 /* os does not work in tick-less mode */
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#endif
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/* -------------------------------------------------------------------------- */
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// alternate clock source for SysTick
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#ifdef ST_FREQUENCY
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#error ST_FREQUENCY is an internal port definition!
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#else
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#define ST_FREQUENCY ((CPU_FREQUENCY)/8)
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#endif
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/* -------------------------------------------------------------------------- */
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// return current system time
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#if HW_TIMER_SIZE >= OS_TIMER_SIZE
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__STATIC_INLINE
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uint32_t port_sys_time( void )
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{
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return TIM7->CNT;
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}
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#endif
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/* -------------------------------------------------------------------------- */
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#ifdef __cplusplus
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}
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#endif
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/* -------------------------------------------------------------------------- */
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#endif//__INTROSPORT_H

‎intros/port/cortexm/device/stm32l1/osport.h‎

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#include "osconfig.h"
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#endif
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#include "osdefs.h"
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#include "osmpu.h"
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#ifdef __cplusplus
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extern "C" {

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