STM32 MPUs Embedded software and solutions

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sgtl5000 codec dsi i2c

Hi All,i am using stm32mp1 with i2c on sgtl5000 codec and control lines are over carrier i2si am getting kernel soc sgtl5000.c error sgtl5000 0-000a: Error reading chip id -6<STM32_PINMUX('A', 15, AF5)>; /* I2S1_WS */<STM32_PINMUX('Z', 0, AF5)>, /* I...

Ara.1 by Senior
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Resolved! stm32mp157c quad spi flash driver

Hi,I'm working the stm32mp157c som and trying to boot external quad spi flash (cypress S25HL512T). I added this to dts. &qspi {   pinctrl-names = "default", "sleep"; pinctrl-0 = <&quadspi_pins_mx>; pinctrl-1 = <&quadspi_sleep_pins_mx>; status = "...

aliMesut by Associate III
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Resolved! In the STM32MP157 I am trying to program an interrupt every 100 us using timer 14. It looks like the code generated is correct, but the result is not correct. It looks like the DiV4 has no effect. The timing is the same as no divide.

Looking at the clock in the MX Device Configuration Tool it says 204 to APB1 Timer Clocks (MHz).To get to 10000 Hz I have to divide 204 MHz by 20400. Fortunately there are a bunch of ways to do this. But on the first try I tried Prescaler 51Counter ...

Resolved! USB2 - USB OTG (on stm32mp157x-DK2) - does it need Vbussx or CCxx connected to function as USB mass storage in U-Boot ?

I have custom stm32mp1 board and when running it as USB mass storage in U-Boot (ums 0 mmc 0), the USB driver is not detected nor by Linux nor by Windows. I am also attaching shematc comparison of eval-board VS my custom board. Also the USB-ORG is wor...

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