1 // Copyright 2019 Espressif Systems (Shanghai) PTE LTD 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include <assert.h> 16 #include "esp_log_private.h" 17 #include "hal/cpu_hal.h" // for cpu_hal_get_cycle_count() 18 19 static int s_lock = 0; 20 esp_log_impl_lock(void)21void esp_log_impl_lock(void) 22 { 23 assert(s_lock == 0); 24 s_lock = 1; 25 } 26 esp_log_lock_impl_timeout(void)27bool esp_log_lock_impl_timeout(void) 28 { 29 esp_log_impl_lock(); 30 return true; 31 } 32 esp_log_impl_unlock(void)33void esp_log_impl_unlock(void) 34 { 35 assert(s_lock == 1); 36 s_lock = 0; 37 } 38 39 /* FIXME: define an API for getting the timestamp in soc/hal IDF-2351 */ esp_log_early_timestamp(void)40uint32_t esp_log_early_timestamp(void) 41 { 42 extern uint32_t ets_get_cpu_frequency(void); 43 return cpu_hal_get_cycle_count() / (ets_get_cpu_frequency() * 1000); 44 } 45 46 uint32_t esp_log_timestamp(void) __attribute__((alias("esp_log_early_timestamp"))); 47