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Resolved! STM32F1 and TIM3 PWM - LL drivers

Posted on March 19, 2018 at 20:11Hi,Today's F1 v1.6.1 HAL driver pack fixed all issues I had with GPIO so decided to move forward with TIM3 and LL.The goal: use TIM3/PWM to blink the BLUE LED (PC8) - STM32VLDiscovery.CubeMX generated code:/* TIM3 in...

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I2C Multimaster

Posted on January 12, 2018 at 11:12Hi,We have a 'distributed' system in place where we have a single I2C master (STM32F7) and a number of I2C slaves (STM32F0).  I understand that I2C multimaster is supported, where you have a number of masters speak...

Forced output mode [17.3.7]

Posted on March 19, 2018 at 18:15Hi, I'm currently using an STM32F413 and I would like to use the forced output mode on the TIM1 with 3 PWM already configured. I followed the instructions noted in the reference manual [17.3.7] : - CCxS bit to 00 in ...

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Jems On by Associate III
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SD card access through MSC

Posted on November 24, 2017 at 22:21Hello,I am trying to make a MSC USB device to access SD card files.The computer recognizes the mass storage device, but cannot open the folder. After a while, it says the device was unrecognized.My code from usbd_...

Resolved! STM32F1 - LL_GPIO_Init() problem

Posted on March 17, 2018 at 20:45 Hi, A piece of code from STM32CubeMX v4.0 and latest F1 drivers generated for STM32VLDiscovery (the button is pulled-down by external resistor): static void MX_GPIO_Init(void) { LL_GPIO_InitTypeDef GPIO_Ini...

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Nanosecond delay

Posted on March 18, 2018 at 15:32 EDIT: Not sure where my intro paragraph went on the first time I posted. I have the below code working with inline assembly nops. Now I want to have the code be clock independent. The below code is my attempt ...

joe23 by Associate II
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STM32CUBE MX and KEIL5 IDE

Posted on March 18, 2018 at 08:30Hi, I have been using STM32CUBEMX ide for building the code with Keil5 IDE. The issue or bug is the code is working fine when I am placing my code in the main function. But, when I create my own file or outside the m...

Kumar B by Associate II
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  • 15 replies
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STM32L4 low RTC precision

Posted on March 05, 2018 at 07:57 Hello there, I am using an STM32L4 family MCU. In an application, the RTC peripheral is utilized and clocked from an external crystal: The problem I have noticed just now is that with time, the RTC timer ...

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