Forum Posts
Resolved! ADC sampling from ANA0/ANA1 via M4
Hi,I have some doubts about how I could sample from the ANA0/ANA1 pins of an STM32MP1 CPU from inside the M4 firmware via HAL. I would like to programmatically switch between these two pins.Sampling from ADC_CHANNEL_0 seems to work, so I guess it is ...
Customize U-boot script to modify u-boot process
I am trying to customize the boot script which is used to boot my STM32MP157 Avenger96 board. I want to include some u-boot variables and alter the boot process.Current boot script:if test -n "${distro_bootpart}"; then setenv partition "${distro_bo...
STM32NP157D Discovery Kit Getting Started: Kernel rebuild example hangs: ERROR: reserving fdt memory region failed (addr=d4000000 size=4000000) Any ideas?
I am evaluating the STM32NP157D Discovery Kit.In the Getting Started Section I have successfully done the gtk_hello_world step.The next step successfully rebuilds the kernel. After pushing it on the board I do the reboot and get the following Error m...
How can the MP1 M4 Core be woken up by an LPTimer in STOP mode?
I have built a test program from the two examples PWR_STOP_CoPro and LPTIM_PulseCounter. With the LPTIM_PulseCounter I changed the CounterSource to LPTIM_COUNTERSOURCE_INTERNAL and adjusted the priority HAL_NVIC_SetPriority (LPTIM2_IRQn, 0, 0);Both p...
DK1 board consumes 45ma in complete power off state!
Hi.My STM32MP157A-DK1 board while in power off state without any connections consumes 45 ma of current.How could i reduce such a big amount?Could it be ST-LINK power drain, or is it STUSB1600?What could i do to reduce the current to its minimum ...
Variable Clock speed in Linux on STM32mp157c?
It isn't clear to me from this article (https://wiki.st.com/stm32mpu/wiki/Clock_device_tree_configuration_-_Bootloader_specific#cite_note-st.2Cstm32mp1-rcc.txt-1) if I can set operating points for my stm32mp157c part. If not am I stuck setting PLL1 ...
Resolved! STM32MP151x: can I left the VDD3V3_USBHS Pin unconnected?
Hello,according to the STM32MP151A/D Datasheet (Table 13.) the voltage on VDD3V3_USBHS Pin can be 0 ... 3.6V when USBH not used.But on the another page of the Datasheet there is this section: "VDD3V3_USBHS and VDD3V3_USBFS are respectively the USB hi...
