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The 'Blinky' project is a simple CMSIS RTOS based example for |
NXP 'MKL25' series microcontroller using NXP 'FRDM-KL25Z' board. |
Compliant to Cortex Microcontroller Software Interface Standard (CMSIS). |
Example functionality: |
- Clock Settings: |
- XTAL = IRC (Slow Internal Reference Clock) |
- Core Clock = 20.9 MHz |
- 3 LEDs are blinking with a fixed speed. |
The Blinky program is available in different targets: |
ULink2: Debug/Target Driver is configured as ULink2 |
runs from Internal Flash located on chip |
ULink2 MTB: Debug/Target Driver is configured as ULINK2 |
shows use of MTB(Micro Trace Buffer) |
Selecting "CMSIS-DAP" OpenSDA application: |
1. Start OpenSDA in bootloader mode: Unplug and plug the OpenSDA USB connection whilst pushbutton, SW1 is pressed. |
2. Drag and drop "CMSIS-DAP" OpenSDA application file to the OpenSDA mass storage device. |
3. Unplug and plug the OpenSDA USB connection. |
Note: |
- "CMSIS-DAP" OpenSDA application file is located in folder "OpenSDA". |
- For more information on OpenSDA, refer to FRDM-KL25Z user manual. |
MTB(Micro Trace Buffer) Notes |
------------------------------- |
- DBG_MTB.ini file configures MTB settings, which allows to configure MTB RAM buffer size, buffer position, and flow control. |
- MTB allocates user-defined region of the system RAM for storing instruction address change-of-flow data packets. |
Modify MTB position and size to define the used memory region. The position must be a multiple of the buffer size. |
The allocated buffer region cannot be used as application RAM. |
The 'Blinky' project is a simple CMSIS RTOS based example for |
NXP 'MKL25' series microcontroller using NXP 'FRDM-KL25Z' board. |
Compliant to Cortex Microcontroller Software Interface Standard (CMSIS). |
Example functionality: |
- Clock Settings: |
- XTAL = IRC (Slow Internal Reference Clock) |
- Core Clock = 20.9 MHz |
- 3 LEDs are blinking with a fixed speed. |
The Blinky program is available in different targets: |
ULink2: Debug/Target Driver is configured as ULink2 |
runs from Internal Flash located on chip |
ULink2 MTB: Debug/Target Driver is configured as ULINK2 |
shows use of MTB(Micro Trace Buffer) |
Selecting "CMSIS-DAP" OpenSDA application: |
1. Start OpenSDA in bootloader mode: Unplug and plug the OpenSDA USB connection whilst pushbutton, SW1 is pressed. |
2. Drag and drop "CMSIS-DAP" OpenSDA application file to the OpenSDA mass storage device. |
3. Unplug and plug the OpenSDA USB connection. |
Note: |
- "CMSIS-DAP" OpenSDA application file is located in folder "OpenSDA". |
- For more information on OpenSDA, refer to FRDM-KL25Z user manual. |
MTB(Micro Trace Buffer) Notes |
------------------------------- |
- DBG_MTB.ini file configures MTB settings, which allows to configure MTB RAM buffer size, buffer position, and flow control. |
- MTB allocates user-defined region of the system RAM for storing instruction address change-of-flow data packets. |
Modify MTB position and size to define the used memory region. The position must be a multiple of the buffer size. |
The allocated buffer region cannot be used as application RAM. |
Summary: |
The FRDM-KL25Z is the first hardware platform to feature the Freescale open standard embedded |
serial and debug adapter known as OpenSDA. This circuit offers several options for serial |
communications, flash programming and run-control debugging. |
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