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* [components][clock_time] Refactor time subsystem around clock_time Introduce the clock_time core with clock source/event separation, high-resolution scheduling, and boot-time helpers, plus clock_timer adapters for timer peripherals. Remove legacy ktime/cputime/hwtimer implementations and migrate arch and BSP time paths to the new subsystem while keeping POSIX time integration functional. Update drivers, Kconfig/SConscript wiring, documentation, and tests; add clock_time overview docs and align naming to clock_boottime/clock_hrtimer/clock_timer. * [components][clock_time] Use BSP-provided clock timer frequency on riscv64 * [risc-v] Use runtime clock timer frequency for tick and delays * [bsp] Add clock timer frequency hooks for riscv64 boards * [bsp] Update Renesas RA driver doc clock_timer link * [bsp] Sync zynqmp-r5-axu4ev rtconfig after config refresh * [bsp][rk3500] Update rk3500 clock configuration * [bsp][hpmicro] Add rt_hw_us_delay hook and update board delays * [bsp][stm32l496-st-nucleo] enable clock_time for hwtimer sample in ci * [bsp][hpmicro] Fix rtconfig include scope for hpm6750evk Move rtconfig.h include outside the ENET_MULTIPLE_PORT guard for hpm6750evk and hpm6750evk2 so configuration macros are available regardless of ENET settings. * [bsp][raspi3] select clock time for systimer * [bsp][hpm5300evk] Trim trailing blank line * [bsp][hpm5301evklite] Trim trailing blank line * [bsp][hpm5e00evk] Trim trailing blank line * [bsp][hpm6200evk] Trim trailing blank line * [bsp][hpm6300evk] Trim trailing blank line * [bsp][hpm6750evk] Trim trailing blank line * [bsp][hpm6750evk2] Trim trailing blank line * [bsp][hpm6750evkmini] Trim trailing blank line * [bsp][hpm6800evk] Trim trailing blank line * [bsp][hpm6e00evk] Trim trailing blank line * [bsp][nxp] switch lpc178x to gcc and remove mcx timer source * [bsp][stm32] fix the CONFIG_RT_USING_CLOCK_TIME issue. * [docs][clock_time] add clock time documentation * [docs][clock_time] Update clock time subsystem documentation - Update device driver index to use correct page reference - Clarify upper layer responsibilities in architecture overview - Update README to describe POSIX/libc, Soft RTC, and device driver usage - Refine architecture diagram with improved layout and color scheme - Remove obsolete clock_timer.md file * [kernel][utest] Trim trailing space * [clock_time] Fix hrtimer wrap handling * [clock_time] fix the static rt_inline issue * [clock_time] fix the rt_clock_hrtimer_control result issue
APM32E103ZE EVAL BOARD BSP 说明
简介
本文档为 APM32E103ZE EVAL 开发板（EVAL BOARD）的 BSP (板级支持包) 说明。
主要内容如下：
- 开发板资源介绍
- BSP 快速上手
通过阅读快速上手章节开发者可以快速地上手该 BSP，将 RT-Thread 运行在开发板上。
开发板介绍
APM32E103ZE EVAL BOARD，采用标准JTAG/SWD调试接口，引出了全部的IO。开发板外观如下图所示：
- 有关开发板和芯片的详情可至极海官网查阅。官网开发板链接
该开发板常用 板载资源 如下：
- MCU：APM32E103ZET6，主频 120MHz，512KB FLASH ，128KB RAM
- 外部 RAM：M12L64164A(外部SDRAM，2MB)
- 外部 FLASH：W25Q16(SPI, 2MB)
- 常用外设
- LED：3个，（红色，PD13/PD14/PD15）
- 按键：3个，K1（PF9），K2（PC13），K3（PA0）
- 常用接口：RS232转串口、SD卡接口、双CAN接口、USB SLAVE
- 调试接口：标准 JTAG/SWD
外设支持
本 BSP 目前对外设的支持情况如下：
| 板载外设 | 支持情况 | 备注 |
|---|---|---|
| RS232转串口 | 支持 | 使用 UART1/ UART2(通过跳线选择) |
| SPI Flash | 支持 | 使用 W25Q16 芯片 |
| SD卡 | 支持 | 支持 FATFS 文件系统 |
| SDRAM | 支持 | 使用 M12L64164A 芯片 |
| 片上外设 | 支持情况 | 备注 |
| GPIO | 支持 | PA0, PA1... PG15 ---> PIN: 0, 1...108 |
| UART | 支持 | UART1/2 |
| ADC | 支持 | ADC1/2/3 |
| DAC | 支持 | DAC1 |
| RTC | 支持 | 支持外部晶振和内部低速时钟 |
| TMR | 支持 | TMR1/2/3/4/5/6/7/8 |
| PWM | 支持 | TMR3 ->CH1/2/3/4 |
| I2C | 支持 | 软件I2C |
| SPI | 支持 | SPI1/2/3 |
| WDT | 支持 | IWDT |
| SDIO | 支持 | |
| Flash | 支持 | 已适配 FAL |
| CAN | 支持 | CAN1/CAN2 |
使用说明
本章节是为刚接触 RT-Thread 的新手准备的使用说明，遵循简单的步骤即可将 RT-Thread 操作系统运行在该开发板上，看到实验效果 。
快速上手
本 BSP 为开发者提供MDK5 工程。下面以 MDK5 开发环境为例，介绍如何将系统运行起来。
硬件连接
使用数据线连接开发板到 PC，打开电源开关。
编译下载
-
方式一：MDK
双击 project.uvprojx 文件，打开 MDK5 工程，编译并下载程序到开发板。
工程默认配置使用 J-Link 仿真器下载程序，在通过 J-Link 连接开发板的基础上，点击下载按钮即可下载程序到开发板
-
方式二：J-Flash下载
通过ENV工具的scons指令或MDK编译出bin文件后，再使用J-Flash工具将bin文件下载至开发板即可，大致步骤如下：
1、建立J-Flash工程
注意：步骤4选择芯片型号时，要根据自己的开发板所用的芯片型号进行选择。比如本开发板，则选择对应的 APM32E103ZET6 。
2、连接开发板
3、将bin文件拖至工程，起始地址设为0x8000000
4、点击下载
运行结果
下载程序成功之后，系统会自动运行，LED 闪烁
连接开发板对应串口到 PC , 在终端工具里打开相应的串口（115200-8-1-N），复位设备后，可以看到 RT-Thread 的输出信息:
\ | /
- RT - Thread Operating System
/ | \ 4.1.0 build Aug 20 2021
2006 - 2021 Copyright by rt-thread team
msh >
注意事项
- 可在极海官方网站进行所需资料下载，如pack安装包和MINI开发板原理图等（www.geehy.com）;