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STM32L4 Discovery CubeMX USB Host Audio callbacks

Posted on May 02, 2016 at 04:09I am using the latest STM32CubeMX (V4.14) and the latest version for the STM32L4 family (version number escapes me right now) and I am trying to understand how to properly use the Discovery board to act as a USB Audio ...

STM32F030 ADC frustration

Posted on October 28, 2015 at 14:57Hello everybody, with this code, no matter what I do, I always get 4095 (max). I've tried looking at Clive examples or IAR's examples I just can't see it. Could someone take a look and see what am I missing. I need...

matas by Associate II
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  • 7 replies
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Issues with composite VCP+MSC: VCP not working

Posted on May 01, 2016 at 17:49Hello, I am stuck in implementing USB composite (VCP+MSC) using FS-Device_Lib_V4.0.0 (STM32L151). Individually both works but when I try composite VCP+MSC, MSC works well but PC can't communicate via VCP (although it c...

rumlyen by Associate II
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CubeMx STM32F4 feature request implement critical section

Posted on May 01, 2016 at 17:49Hello ST team, I like to see a critical section implementation similar to atmel avrlib ATOMIC_BLOCK implementation. example: ATOMIC_BLOCK(5) {     uint8_t status get_spi_device_info();     if(status == 0) return;     d...

taraben by Senior
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grid connected inverter code problems

Posted on April 30, 2016 at 16:27 hi I have problem with adc sampling and controller calculating at each period of sampling(each sampling time) .I fond this from st,com . I have some questions : 1.what is the meaning of first line exactly an...

Can't make the ADC run on stm32f4-discovery

Posted on April 28, 2016 at 16:45I have a stm32f4-discovery with the stm32f407vg uC on it and I'm trying to program the ADC1 and measure some signals on the port PC7 with it. According to the documentation PC7 hangs on the ADC12_IN15 which I'm inter...

zdravko by Associate II
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Understanding the difference between USART and SPI controllers

Posted on April 28, 2016 at 15:16Hi, we are surveying microcontrollers for a new product where we need at least 2 SPI interfaces and 2 uart interfaces. All of these 4 interfaces will have to be able to operate concurrently.I have some trouble unders...

audun by Associate
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STM32/JTAG programming interface doubts

Posted on April 29, 2016 at 01:24STM32 programming interface doubtsHello all.I'm new to ST microcontrollers (STM32 in this case) and JTAG interface. I'm doing the schematic of a project where one of these microcontrollers will be used:- STM32F401RCT...

jeferson by Associate II
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  • 8 replies
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I2C STM32L053 problem

Posted on April 29, 2016 at 12:19 Hello I have question about i2c. My mcu i2c pin connect to i2c pin evaluation board BU945 My i2c init like this I2C1Handle.Instance = I2C1; I2C1Handle.Init.AddressingMode = I2C_ADDRESSINGMODE_7B...

dree86 by Associate II
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