This is very much still work in progress and much more will change before the final 2.0.0 Some APIs have changed. New libraries have been added. LittleFS included. Co-authored-by: Seon Rozenblum <seonr@3sprockets.com> Co-authored-by: Me No Dev <me-no-dev@users.noreply.github.com> Co-authored-by: geeksville <kevinh@geeksville.com> Co-authored-by: Mike Dunston <m_dunston@comcast.net> Co-authored-by: Unexpected Maker <seon@unexpectedmaker.com> Co-authored-by: Seon Rozenblum <seonr@3sprockets.com> Co-authored-by: microDev <70126934+microDev1@users.noreply.github.com> Co-authored-by: tobozo <tobozo@users.noreply.github.com> Co-authored-by: bobobo1618 <bobobo1618@users.noreply.github.com> Co-authored-by: lorol <lorolouis@gmail.com> Co-authored-by: geeksville <kevinh@geeksville.com> Co-authored-by: Limor "Ladyada" Fried <limor@ladyada.net> Co-authored-by: Sweety <switi.mhaiske@espressif.com> Co-authored-by: Loick MAHIEUX <loick111@gmail.com> Co-authored-by: Larry Bernstone <lbernstone@gmail.com> Co-authored-by: Valerii Koval <valeros@users.noreply.github.com> Co-authored-by: 快乐的我531 <2302004040@qq.com> Co-authored-by: chegewara <imperiaonline4@gmail.com> Co-authored-by: Clemens Kirchgatterer <clemens@1541.org> Co-authored-by: Aron Rubin <aronrubin@gmail.com> Co-authored-by: Pete Lewis <601236+lewispg228@users.noreply.github.com>
		
			
				
	
	
		
			94 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| 
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| #ifndef __ESP_IPC_H__
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| #define __ESP_IPC_H__
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| 
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| #include <esp_err.h>
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| /** @cond */
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| typedef void (*esp_ipc_func_t)(void* arg);
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| /** @endcond */
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| /*
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|  * Inter-processor call APIs
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|  *
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|  * FreeRTOS provides several APIs which can be used to communicate between
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|  * different tasks, including tasks running on different CPUs.
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|  * This module provides additional APIs to run some code on the other CPU.
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|  *
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|  * These APIs can only be used when FreeRTOS scheduler is running.
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|  */
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| 
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| /**
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|  * @brief Execute a function on the given CPU
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|  *
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|  * Run a given function on a particular CPU. The given function must accept a
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|  * void* argument and return void. The given function is run in the context of
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|  * the IPC task of the CPU specified by the cpu_id parameter. The calling task
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|  * will be blocked until the IPC task begins executing the given function. If
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|  * another IPC call is ongoing, the calling task will block until the other IPC
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|  * call completes. The stack size allocated for the IPC task can be configured
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|  * in the "Inter-Processor Call (IPC) task stack size" setting in menuconfig.
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|  * Increase this setting if the given function requires more stack than default.
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|  *
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|  * @note In single-core mode, returns ESP_ERR_INVALID_ARG for cpu_id 1.
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|  *
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|  * @param[in]   cpu_id  CPU where the given function should be executed (0 or 1)
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|  * @param[in]   func    Pointer to a function of type void func(void* arg) to be executed
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|  * @param[in]   arg     Arbitrary argument of type void* to be passed into the function
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|  *
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|  * @return
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|  *      - ESP_ERR_INVALID_ARG if cpu_id is invalid
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|  *      - ESP_ERR_INVALID_STATE if the FreeRTOS scheduler is not running
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|  *      - ESP_OK otherwise
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|  */
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| esp_err_t esp_ipc_call(uint32_t cpu_id, esp_ipc_func_t func, void* arg);
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| 
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| 
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| /**
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|  * @brief Execute a function on the given CPU and blocks until it completes
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|  *
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|  * Run a given function on a particular CPU. The given function must accept a
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|  * void* argument and return void. The given function is run in the context of
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|  * the IPC task of the CPU specified by the cpu_id parameter. The calling task
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|  * will be blocked until the IPC task completes execution of the given function.
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|  * If another IPC call is ongoing, the calling task will block until the other
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|  * IPC call completes. The stack size allocated for the IPC task can be
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|  * configured in the "Inter-Processor Call (IPC) task stack size" setting in
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|  * menuconfig. Increase this setting if the given function requires more stack
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|  * than default.
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|  *
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|  * @note    In single-core mode, returns ESP_ERR_INVALID_ARG for cpu_id 1.
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|  *
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|  * @param[in]   cpu_id  CPU where the given function should be executed (0 or 1)
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|  * @param[in]   func    Pointer to a function of type void func(void* arg) to be executed
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|  * @param[in]   arg     Arbitrary argument of type void* to be passed into the function
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|  *
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|  * @return
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|  *      - ESP_ERR_INVALID_ARG if cpu_id is invalid
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|  *      - ESP_ERR_INVALID_STATE if the FreeRTOS scheduler is not running
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|  *      - ESP_OK otherwise
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|  */
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| esp_err_t esp_ipc_call_blocking(uint32_t cpu_id, esp_ipc_func_t func, void* arg);
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| 
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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 /* __ESP_IPC_H__ */
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