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HugoL
Associate II
since ‎2022-02-08
‎2023-06-14

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Writing to address 0 prevents from entering shutdown mode

2023-02-03
If I write to address 0, it prevents from entering shutdown mode.The vector table is relocated to code.As far as I understand, writing to address 0 in this case is not illegal. For sure it does not generates a fault.The following code enters shutdown...

LoRa packet with CRC error treated as valid

2023-01-26
A packet with CRC error has both SUBGHZ_IT_RX_CPLT and SUBGHZ_IT_CRC_ERROR flag set.In stm32wlxx_hal_subghz.c, this leads to both RxCpltCallback() and CRCErrorCallback() being called.https://github.com/STMicroelectronics/STM32CubeWL/blob/main/Drivers...

load capacitance of recommended quartz for HSE lower than minimal load capacitor trimming

2022-02-17
The quartz used for HSE on the nulceo-wl55jc and on the reference design for stm32wl is NX2016SA 32MHz EXS00A-CS06465, which has a 10pF load capacitance (the BOM for reference design even mentions 8pF, but the quartz reference is actually 10pF).The m...

No RX timeout IRQ after RX in single mode with timeout

2022-02-10
If I call SUBGRF_SetRx() with a timeout of, let's say 100 ticks in LoRa mode, I don't get an RX timeout IRQ at the end of the timeout.I have checked the radio status with SUBGRF_GetStatus(). The radio goes to RX then back to standby.I have cross-chec...
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