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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
NuMaker-PFM-M487
1. Introduction
NuMaker-PFM-M487 provides multiple networking, interfaces, audio recording, playback functions, and flexible extended data storage.
1.1 MCU specification
| Features | |
|---|---|
| MCU | M487JIDAE |
| Operation frequency | 192MHz |
| embedded Flash size | 512kB, Dual Bank |
| SRAM size | 160kB |
| Crypto engine | DES, AES, ECC, 3DES, HMAC and SHA crypto accelerator |
| RMII interface | Support 10/100 Mbps Ethernet |
1.2 Interface
| Interface |
|---|
| Arduino UNO |
| RJ45 Ethernet |
| USB 1.1/2.0 OTG ports |
| A microSD slot |
| A 3.5mm Audio connector |
1.3 On-board devices
| Device | Description | Driver supporting status |
|---|---|---|
| SPI flash | W25Q32 | Supported |
| Ethernet PHY | IP101GR | Supported |
| Audio Codec | NAU88L25, Supports MIC and earphone | Supported |
2. Supported compiler
Support GCC, MDK4, MDK5, IAR IDE/compilers. More information of these compiler version as following:
| IDE/Compiler | Tested version |
|---|---|
| MDK4 | 4.76 |
| MDK5 | 5.26.2 |
| IAR | 8.2 |
| GCC | GCC 5.4.1 20160919 (release) |
Notice: Please install Nu-Link_Keil_Driver or Nu-Link_IAR_Driver for development.
3. Program firmware
Step 1:
At first, you need to configure ISW1 switch on the NuMaker-PFM-M487 board. Set the four switches to ‘ON’ position. After the configuration is done, connect the NuMaker-PFM-M487 board and your computer using the USB Micro cable. After that, window manager will show a ‘NuMicro MCU’ virtual disk. Finally, you will use this virtual disk to burn firmware.
Step 2:
A simple firmware burning method is that you can drag and drop the binary image file to NuMicro MCU virtual disk or copy the binary file to NuMicro MCU disk to burn firmware.
4. Test
You can use Tera Term terminate emulator (or other software) to type commands of RTT. All parameters of serial communication are shown in below image. Here, you can find out the corresponding port number of Nuvoton Virtual Com Port in window device manager.
