8f34c2760d
project:cfg:BoardConfig_IPC: Added fastboot BoardConfig file and firmware post-scripts, distinguishing between the BoardConfigs for Luckfox Pico Pro and Luckfox Pico Max. project:app: Added fastboot_client and rk_smart_door for quick boot applications; updated rkipc app to adapt to the latest media library. media:samples: Added more usage examples. media:rockit: Fixed bugs; removed support for retrieving data frames from VPSS. media:isp: Updated rkaiq library and related tools to support connection to RKISP_Tuner. sysdrv:Makefile: Added support for compiling drv_ko on Luckfox Pico Ultra W using Ubuntu; added support for custom root filesystem. sysdrv:tools:board: Updated Buildroot optional mirror sources, updated some software versions, and stored device tree files and configuration files that undergo multiple modifications for U-Boot and kernel separately. sysdrv:source:mcu: Used RISC-V MCU SDK with RT-Thread system, mainly for initializing camera AE during quick boot. sysdrv:source:uboot: Added support for fastboot; added high baud rate DDR bin for serial firmware upgrades. sysdrv:source:kernel: Upgraded to version 5.10.160; increased NPU frequency for RV1106G3; added support for fastboot. Signed-off-by: luckfox-eng29 <eng29@luckfox.com>
43 lines
1007 B
C++
43 lines
1007 B
C++
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2016/10/1 Bernard The first version
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*/
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#pragma once
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#include <stdint.h>
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#include <rtthread.h>
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namespace rtthread {
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/** The Semaphore class is used to manage and protect access to a set of shared resources. */
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class Semaphore
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{
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public:
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/** Create and Initialize a Semaphore object used for managing resources.
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@param number of available resources; maximum index value is (count-1).
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*/
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Semaphore(const char *name = "sem", int32_t count = 0);
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~Semaphore();
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/** Wait until a Semaphore resource becomes available.
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@param millisec timeout value or 0 in case of no time-out.
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@return true on success.
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*/
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bool wait(int32_t millisec = -1);
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/** Release a Semaphore resource that was obtain with Semaphore::wait.
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*/
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void release(void);
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private:
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struct rt_semaphore mID;
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};
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}
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