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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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Resolved! STM32l4 in stop2 mode with rtc alarm

Posted on December 21, 2017 at 07:47Dear all i want to wakeup stm32l4 in every two minute from stop2 mode using RTC,give me suggestion.I am using example code from st and trying  PWR_STOP2_RTC on my custom board,i am finding that l4 is not going in ...

Receive UART WWDG_IRQHandler infinite loop

Posted on December 21, 2017 at 14:25Good morning. I'v tried to perform an UART receive on stm32f407vg board using RXNE interrupt. But when i execute the code it is blocked on WWDG_IRQHandler infinite loop. I post my code:#include 'stm32f4xx.h'#inclu...

Resolved! Toggling GPIO STM32F407VGT6

Posted on December 19, 2017 at 05:50Hello,I am using the Mikro Pro C IDE to write a simple program to toggle GPIOA pin 0 on a STM32F407VGT6. When I compile I get several errors, but I don't think it has to do with an error in my code, more or less a...

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how would i change this code to it four bit rather than 8?

Posted on December 20, 2017 at 14:02#ifndef _LCD_H_ #define _LCD_H_ #define LCD_PORT GPIOD #define LCD_RS_pin 11 #define LCD_RW_pin 12 #define LCD_E_pin 13 #define LCD_D0_pin 0 #define LCD_LINE1 0x80 #define LCD_LINE2 0xc0 #define set_LCD_RS() LCD_P...

j g by Associate II
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programming STM32F0 controller rs485 half duplex mode

Posted on December 21, 2017 at 12:46Hello,We are using STM32F030 in our project. We are using RS485 half duplex communication for interaction with other boards in our system. Using the same half duplex communication channel, we would like to update ...

ravi b by Associate
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How to detect end of SPI transmission?

Posted on December 20, 2017 at 13:27STM32F030.I am transmitting multiple words via spi to some shift registers and need to latch the shift registers when the transmission of the last word is finished. The latch signal is GPIO. Device is master.I don...

toby2 by Senior
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LD1 on the ST-Link board stays red?

Posted on December 20, 2017 at 11:17Hey guys, I'm trying to do something that might be really a noobish thing (will ask in a different thread, and I recognize that there's a strange thing happening. I'm using an STM32 Nucleo64 L073RZI am trying to s...

ST-Link/V2 error

Posted on December 21, 2017 at 08:39I have some problems connecting ST-link/V2 to STM32L0x1 device, especially with OpenOCDST-Link_cli.exe connects but log-file shows errors:Error (0x10) after target cmd F2 30 A3 00 00 00 00 00 00 00Error (19) while...