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Replied an answer in
Bluetooth SPI bootloader
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2 days ago |
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Replied
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Disabling LETIMER peripheral causes bus fault
How about IF register?
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5 days ago |
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Replied
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EFM8UB2 - Timer4 - configuration
I don't have enough time to read and understand your code. As to TIMER4, I am wondering if your code handle SFRPAGE correctly.
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5 days ago |
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Replied
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SWD pins for SPI and now broke the board
the status look fine to me. to get the meaning of these, read AN1190.
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Sep 10 2020, 9:50 AM |
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Updated
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SWD pins for SPI and now broke the board
I guess your code make SPI to use PA1/PA2, right?
usually this is a good way to recover this situation.
You could use the simplicity studio to generate the 2nd stage bootloader for xG21 (read UG266).
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Sep 10 2020, 1:30 AM |
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EFR32 in-system programming
@NCF,
the gecko bootloader is very powerful and support bootloader update (plus application). You could take a look at UG266. Yes, if you use the DCDC to power the IOVDD, there is some limitation to program the target with SWD. also take a look at this KBA.
This will make things easy if you are ok with it. |
Sep 10 2020, 1:24 AM |
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Replied
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wakeup PIN in BGM13P
In the datasheet (you have a link for it), you could take a look at table Table 8.3. Alternate Functionality Overview. take the EM4WU as example, you could get which pin support this like below picture showed.
As Gene said, all pins support EM1/2/3 wakeup, the EM4 pin may support wakeup/interrupt with level sensitive IIRC (refer section Level Interrupt Generation of reference manual).
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Sep 10 2020, 1:13 AM |
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Replied
to
SWD pins for SPI and now broke the board
I guess your code make SPI to use PA1/PA2, right?
usually this is a good way to recover this situation.
You could use the simplicity studio to generate the 2nd stage bootloader for xG21 (read UG266).
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Sep 10 2020, 1:05 AM |
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Replied
to
Using Inline Assembly in C
Check if this helps. https://www.silabs.com/community/mcu/8-bit/knowledge-base.entry.html/2004/04/21/in-line_assemblyin-BBF4 |
Sep 09 2020, 11:18 AM |
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'flash8051 [ERROR:'
Thanks for sharing. I think this help others a lot! I cross link the other post/thread. |
Sep 09 2020, 8:04 AM |