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// Copyright 2023 The Pigweed Authors
//
// 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
//
// https://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.
#define PW_LOG_MODULE_NAME "pw_system"
#include "FreeRTOS.h"
#include "pw_log/log.h"
#include "pw_preprocessor/compiler.h"
#include "pw_string/util.h"
#include "pw_system/init.h"
#include "task.h"
// System core clock value definition, usually provided by the CMSIS package.
uint32_t SystemCoreClock = 96'000'000ul;
namespace {
#if configCHECK_FOR_STACK_OVERFLOW != 0
std::array<char, configMAX_TASK_NAME_LEN> temp_thread_name_buffer;
#endif // configCHECK_FOR_STACK_OVERFLOW
#if configUSE_TIMERS == 1
std::array<StackType_t, configTIMER_TASK_STACK_DEPTH> freertos_timer_stack;
StaticTask_t freertos_timer_tcb;
#endif // configUSE_TIMERS == 1
std::array<StackType_t, configMINIMAL_STACK_SIZE> freertos_idle_stack;
StaticTask_t freertos_idle_tcb;
} // namespace
#if configCHECK_FOR_STACK_OVERFLOW != 0
PW_EXTERN_C void vApplicationStackOverflowHook(TaskHandle_t, char* pcTaskName) {
pw::string::Copy(pcTaskName, temp_thread_name_buffer);
PW_CRASH("Stack OVF for task %s", temp_thread_name_buffer.data());
}
#endif // configCHECK_FOR_STACK_OVERFLOW
#if configUSE_TIMERS == 1
PW_EXTERN_C void vApplicationGetTimerTaskMemory(
StaticTask_t** ppxTimerTaskTCBBuffer,
StackType_t** ppxTimerTaskStackBuffer,
uint32_t* pulTimerTaskStackSize) {
*ppxTimerTaskTCBBuffer = &freertos_timer_tcb;
*ppxTimerTaskStackBuffer = freertos_timer_stack.data();
*pulTimerTaskStackSize = freertos_timer_stack.size();
}
#endif // configUSE_TIMERS == 1
PW_EXTERN_C void vApplicationGetIdleTaskMemory(
StaticTask_t** ppxIdleTaskTCBBuffer,
StackType_t** ppxIdleTaskStackBuffer,
uint32_t* pulIdleTaskStackSize) {
*ppxIdleTaskTCBBuffer = &freertos_idle_tcb;
*ppxIdleTaskStackBuffer = freertos_idle_stack.data();
*pulIdleTaskStackSize = freertos_idle_stack.size();
}
int main() {
pw::system::Init();
vTaskStartScheduler();
PW_UNREACHABLE;
}
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