STM32 MCUs Embedded software

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I2C how to generate NACK and STOP

Posted on September 01, 2015 at 00:33 Hello, I'm using MCP3424 and it says in it's datasheet When the Master finds the RDY bit is cleared, it can send a not-acknowledge (NAK) bit and a stop bit to exit the current read operat...

bug in HAL library stm32l1xx_hal_gpio_ex.h

Posted on February 23, 2015 at 18:20The following macro generated by STM32CubeMX 4.5.0 and 4.6.0 is wrong for SYSCFG_EXTICR1-4 when trying to use registers GPIOF, GPIOG, GPIOH for EXTI. &sharpdefine GET_GPIO_INDEX(__GPIOx__) (((__GPIOx__) == (GPIOA)...

dan2 by Associate II
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STM32Cube and OTG

Posted on May 05, 2015 at 11:32Hello, I want to implement OTG (HOST that supports MSC and HID and in DEVICE mode composite MSC + CDC). There are available two implementations of USB stacks from ST. First one is STM32F105/7, STM32F2 and STM32F4 USB o...

STM32F105/7 USB MSD - STM32CubeMX

Posted on September 02, 2015 at 13:40I have generated code, using STM32CubeMX,  to operate and show up as a MSD on my windows computer - HOWEVER,  when I connect my device to the computer I can not see the device - instead it shows up in the Univers...

I2C EEPROM Memory accessing

Posted on March 19, 2015 at 13:09 Hello, I am using STM32F0 HAL Drivers to access external EEPROM 24C64 with STM32F The functions I am using areHAL_I2C_Mem_Write/Read but the communication is not always successful. Also it worked while using smd...

USB Printer Class: Cannot print

Posted on August 31, 2015 at 15:31Hello to all,I'm trying to implement a printer class for the USB. Currently I'm using the STM32F4 Discovery.I already have working the detection of the printer (EPSON CX5600) , reading the ID, etc.What I cant make w...

fb2 by Associate II
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