STM32 MPUs Products

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Resolved! OP-TEE: set_voltage_then_clock:134 Failed to set clock

Trying to merge a custom stm32mp153c board to the new BSP (6.1-yocto-mickledore), OP-TEE panics: F/TC:0 0 probe_driver_node:391 Probing stm32mp1-cpu-opp on node cpu0-opp-table F/TC:0 0 get_supply_phandle:114 cpu: supplied by 4 F/TC:0 0 __clk_enable:1...

HLee.21 by Associate III
  • 1482 Views
  • 1 replies
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Resolved! RGB display with dead zone

Hello all,I currently have to deal with a display which has an inactive zone in the middle. Its "interface" resolution is 540x1280px, but the 140px columns in the middle are not connected to the screen. That is, the display is of 400x1280px of resolu...

display_from_hell.png
APeña.1 by Associate II
  • 1465 Views
  • 3 replies
  • 0 kudos

VirtIO problem on STM32MP157C-DK2

Hi! I am working with stm32mp157c-dk2 and trying to establish communication between m4 and a7 cores. I analyze standard examples for this purpose, namely OpenAMP_TTY_echo. VIRT_UART initialization is presented here for m4 core:  log_info("Virtual UAR...

Ljubica by Associate II
  • 1934 Views
  • 5 replies
  • 0 kudos

Resolved! STM32MP157 input capture gives wrong value

Hello, I've tried measure period of  GPS PPS which is very high accuracy. I'm using TIM5 input capture mode, reset slave mode. The TIM5 CCR1 gives value 208877646 that is wrong because I use high accurate generator for sys clock. The right value is a...

alex_vm by Associate II
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  • 2 replies
  • 1 kudos

Resolved! vddcore voltage is unstable

Dears,I use STM32MP151FAD3 together with STPMIC1. Nowdays I monitored the voltage of vddcore and found it's not stable shown as below.Mostly it's around 1.2v while sometimes it's up to 1.33v .Referring to documentation, I guess it's casued by dynamic...

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