STM32 MPUs products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Bluetooth tty instance not showing up in /dev/tty*

Hi,I'm using a Wifi/BT module with CYW4343W chip on a custom board with STM32MP157.When booting the system, the driver is loaded correctly and dmesg log shows[ 1.089865] 4000e000.serial: ttySTM1 at MMIO 0x4000e000 (irq = 24, base_baud = 6250000) i...

KDehm by Associate III
  • 353 Views
  • 1 replies
  • 0 kudos

Resolved! STM32MP157A-DK1 USART3

Hy i wanted to ask how i can set the clockspeed on my Device tree so the USART3 will work with 10MB/s my device tree looks at them moment like this:&usart3 { pinctrl-names = "default", "sleep", "idle"; pinctrl-0 = <&usart3_pins_b>; pinctrl-1 = <&usar...

SAman.1 by Associate III
  • 285 Views
  • 2 replies
  • 0 kudos

USART3 platform_get_irq faild

Hy i am using the usart3 from the STM32MP157A-DK1. i orientated myself on the USART driver (https://elixir.bootlin.com/linux/latest/source/drivers/tty/serial/stm32-usart.c).butwhen i want to initialize theport I get following error code “Rs453Network...

SAman.1 by Associate III
  • 250 Views
  • 1 replies
  • 0 kudos

Interfacing external uart peripheral with STM32MPUDK2

I have stm32mpdk2 board and trying to interface a uart based peripheral ( nfc) .I have connected Tx , RX , Vdd, GND > pin (12,8,1,6) .tty driver is already enabled in the kernel. and the peripheral on powering up shows the init sequence correctly(led...

darla14 by Senior
  • 333 Views
  • 2 replies
  • 0 kudos

UART4 RX Signal level

I use the UART4 like the following initialization.​void uart4_configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; USART_InitTypeDef USART_InitStructure; /* enable usart clock */ RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, ENAB...

0690X00000DYODdQAP.jpg 0690X00000DYODiQAP.jpg
Kim.Andy by Associate III
  • 227 Views
  • 2 replies
  • 0 kudos