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15 lines
713 B
Markdown
15 lines
713 B
Markdown
## Transponder firmware
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This is a vanilla Eclipse CDT project. Import it into your workspace and (assuming you have ARM cross compiler installed) it should be straightforward.
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The application is mainly interrupt driven, with a single event queue being dispatched by either main() or an RTOS task.
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### Key updates
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- Starting with board 6.1 you have the option of using FreeRTOS 10, but not by default
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- DFU can be achieved by jumping directly into the ROM bootloader, so there is no need for hardware to manipulate the BOOT0 pin
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- The TX_DISABLE signal is now supported. It is currently active low (must be pulled down to disable).
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- Board 9.3 adds 3 "status" (LED driving) signals for GPS, RX and TX
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