kasjer commented on a change in pull request #2017: P-NUCLEO-WB55 URL: https://github.com/apache/mynewt-core/pull/2017#discussion_r334449398
########## File path: hw/mcu/stm/stm32wbxx/src/hal_timer_freq.c ########## @@ -0,0 +1,96 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + */ + +#include <inttypes.h> +#include <assert.h> + +#include "os/mynewt.h" + +#include <hal/hal_timer.h> +#include "mcu/stm32_hal.h" +#include "stm32_common/stm32_hal.h" + + +/* + * Generic implementation for determining the frequency + * of a timer. + */ + +uint32_t +stm32_hal_timer_get_freq(void *regs) +{ + RCC_ClkInitTypeDef clocks; + uint32_t fl; + uint32_t freq; + + HAL_RCC_GetClockConfig(&clocks, &fl); + + /* + * Assuming RCC_DCKCFGR->TIMPRE is 0. + * There's just APB2 timers here. + */ + switch ((uintptr_t)regs) { +#ifdef TIM1 + case (uintptr_t)TIM1: +#endif +#ifdef TIM8 Review comment: Are TIM3, 4, 8, 9, 10, 11, 15 here for future chips? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
