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The 'Blinky' project is a simple CMSIS RTOS based example for
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NXP 'MKL25' series microcontroller using NXP 'FRDM-KL25Z' board.
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Compliant to Cortex Microcontroller Software Interface Standard (CMSIS).
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Example functionality:
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- Clock Settings:
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- XTAL = IRC (Slow Internal Reference Clock)
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- Core Clock = 20.9 MHz
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- 3 LEDs are blinking with a fixed speed.
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The Blinky program is available in different targets:
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ULink2: Debug/Target Driver is configured as ULink2
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runs from Internal Flash located on chip
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ULink2 MTB: Debug/Target Driver is configured as ULINK2
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shows use of MTB(Micro Trace Buffer)
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Selecting "CMSIS-DAP" OpenSDA application:
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1. Start OpenSDA in bootloader mode: Unplug and plug the OpenSDA USB connection whilst pushbutton, SW1 is pressed.
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2. Drag and drop "CMSIS-DAP" OpenSDA application file to the OpenSDA mass storage device.
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3. Unplug and plug the OpenSDA USB connection.
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Note:
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- "CMSIS-DAP" OpenSDA application file is located in folder "OpenSDA".
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- For more information on OpenSDA, refer to FRDM-KL25Z user manual.
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MTB(Micro Trace Buffer) Notes
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-------------------------------
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- DBG_MTB.ini file configures MTB settings, which allows to configure MTB RAM buffer size, buffer position, and flow control.
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- MTB allocates user-defined region of the system RAM for storing instruction address change-of-flow data packets.
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Modify MTB position and size to define the used memory region. The position must be a multiple of the buffer size.
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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.
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Summary:
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The FRDM-KL25Z is the first hardware platform to feature the Freescale open standard embedded
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serial and debug adapter known as OpenSDA. This circuit offers several options for serial
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communications, flash programming and run-control debugging.
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