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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
NXP BSP 支持说明
NXP 系列 BSP 目前支持情况如下表所示：
| BSP 文件夹名称 | 开发板名称 |
|---|---|
| MCXN 系列 | |
| frdm-mcxn947 | NXP 官方 FRDM-MCXN947 开发板 |
| frdm-mcxn236 | NXP 官方 FRDM-MCXN236 开发板 |
| MCXA 系列 | |
| frdm-mcxa153 | NXP 官方 FRDM-MCXA153 开发板 |
| frdm-mcxa156 | NXP 官方 FRDM-MCXA156 开发板 |
| frdm-mcxa346 | NXP 官方 FRDM-MCXA346 开发板 |
| frdm-mcxa344 | NXP 官方 FRDM-MCXA344 开发板 |
| MCXC 系列 | |
| frdm-mcxc444 | NXP 官方 FRDM-MCXC444 开发板 |
| LPC 系列 | |
| lpc43xx | NXP LPC43xx 系列开发板 |
| lpc55sxx | NXP LPC55Sxx 系列开发板 |
| lpc176x | NXP LPC176x 系列开发板 |
| lpc178x | NXP LPC178x 系列开发板 |
| lpc408x | NXP LPC408x 系列开发板 |
| lpc824 | NXP LPC824 开发板 |
| lpc1114 | NXP LPC1114 开发板 |
| lpc2148 | NXP LPC2148 开发板 |
| lpc2478 | NXP LPC2478 开发板 |
| lpc5410x | NXP LPC5410x 系列开发板 |
| lpc54114-lite | NXP LPC54114-Lite 开发板 |
| lpc54608-lpcxpresso | NXP 官方 LPC54608-LPCXpresso 开发板 |
另外,我们还提供了一些热门开发板的上手说明:
注意事项
- MCX 系列是 NXP 最新推出的 MCU 系列，具有高性能和低功耗特性
- 部分老旧系列（LPC/Kinetis/i.MX RT）正在逐步迁移和更新中
- 建议优先选择 MCX 系列进行新项目开发
- 各系列 BSP 的具体支持功能请参考对应目录下的 README 文档