[riot-notifications] [RIOT-OS/RIOT] boards/firefly: add renode configuration (#15489)
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Thu Nov 26 21:32:48 CET 2020
Regarding the hardfault, could it be a problem in RIOT?
The UART IRQ is enabled even though the rx callback is not defined. I'm not an expert with cc2538 but on stm32, the IRQ is only enabled with `rx_cb` is set:
If I move the `NVIC_EnableIRQ` call in the `if` block, no more HardFault.
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