STM32 MCUs Wireless

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STM32WL55 & FreeRTOS - Change system time base

Hello, I am working with the STM32WL55 core and I started the FreeRTOS test and a problem occurred to me that I would like to share with you.The only thing I have done is define pin 15 of port B as output and I have created a FreeRTOS task, and withi...

hluyo_0-1706060373735.png hluyo_1-1706060394133.png
hluyo by Associate
  • 211 Views
  • 1 replies
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Resolved! RSSI on LoRa-E5 vs nucleo-WL55JC1

Hii'm just sitting and messing with a few lora boards.I find that nucleo-WL55JC1 has approx 10dbm RSSI better than seeed LoRa-E5, and that nucleo-WL55JC1 also transmits with a more powerful signal, what is your experience ??with best regards

spa23 by Associate III
  • 799 Views
  • 12 replies
  • 2 kudos

STM32WLE5 doesn't work SubGhz module on custom board

Hello,I create a custom board from the reference MB1791.  But when I try to run an example for the Lora SubGhz module - it doesn't work, no interrupt, no transmit to the antenna (watch in SDR).I ran this example code with RAK3172 (also a custom board...

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Yevhen by Associate II
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  • 2 replies
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NUCLEO-WL55JC1 Packet Loss

Hello,my setup consists of 2 NUCLEO-WL55JC1 boards and an adapted version of the example project SubGHz_Phy_Per with which I can recognize the number of bit errors, RSSI of the latest received packet and some interrupts (IRQ_RX_DONE, IRQ_PREAMBLE_DET...

Nucleo-WL55jC1_PacketLoss.png
altoleoi by Associate
  • 239 Views
  • 2 replies
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Lora Concentrator board and custom board on STM32WL55cc

Hello!I'm trying to port of LOcalNetwrok_Concentartor on a custom board. I made USART1 working with a tracer. So i Can send and receive AT_Commands to a MCU STM32WL55CC. Now I'm struggling with getting interrupts from a LoRa modem. Every 15 sec I cal...

denevs by Associate
  • 245 Views
  • 2 replies
  • 1 kudos

Resolved! STM32WB clock understanding

Hello everyone,New to the world of STM32 and moving from Arduino programming to more in-deep STM32 one, I faced an issue that I solved in a way I can't understand.I started working on a basic Blink program using STM32WB5MM-DK and the in-board RGB PWM...

HardWins_0-1705686270000.png
HardWins by Associate
  • 209 Views
  • 1 replies
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BLE, sleep mode and HSE

Hi,as I understand it:I can activate the low power manager in CubeIDE. This will automatically add code, so each time the Sequencer has nothing to do, the system enters low power mode.So far, this works. I can see it in the current consumption.What I...

testpin_powerMode.png testpin_HSE.png mco.png
RWeil.2 by Associate III
  • 926 Views
  • 10 replies
  • 1 kudos

Resolved! Unwind stack on stm32wb55 and FreeRTOS

Hi Helpdesk, I am currently facing an ASSERT issue on my custom board leveraging the STM32WB55 in conjunction with FreeRTOS. After some time scrawling the web, I have found the stack unwind functionality from `libunwind` available via the `unwind.h` ...

whati001 by Associate II
  • 233 Views
  • 1 replies
  • 0 kudos

STM33WL55 Environmental

Hi,I'm using STM32WL55 Wireless, Long Range Nucleo-64. My goal is to use this floor as an end node. I want to connect my existing sensors to the card via I2C protocol and send the data via LoRa. In the examples I examined, peripherals are used using ...

Ezgi1 by Associate II
  • 404 Views
  • 7 replies
  • 1 kudos