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STM32F1 I2C Stops on Slave Pull Down

Posted on December 12, 2014 at 02:46 Hello, I'm having an odd issue with the I2C peripheral. I have a simple routine for writing a value to a slave device register below. It succeeds writing to the slave as seen in Image #1. Following tha...

k3nt00 by Associate II
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LCD TFT Controller (LTDC) frame rate .

Posted on December 11, 2014 at 13:09Hullo guys , I was wondering about the frame rate of the LTDC in STM32F4xx series , There is no obvious information in the user manual about the frame rate , and in the demo example , I just set the pixel value in...

STMPE811 touch controller on STM3220G-EVAL - bug?

Posted on December 11, 2014 at 18:13I noticed that the touch controller is not working properly to detect presses of the touchscreen on the STM3220G-EVAL and looked further into the code.  The problem appears to be rooted in BSP_TS_GetState() in the...

STM32F042 SWD comunication Problem

Posted on November 23, 2014 at 19:08I have designed a board with a microcontroller STM32F042K where SWD does not work. I connected pin 4 (NRST) with a pull-up 100Kohm and a 100nF capacitor to GND and pin (BOOT0) to GND with a resistance of 470ohm bu...

elb-lab by Associate II
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CubeMX project generation problem

Posted on December 01, 2014 at 18:18I want to generate TrueSTUDIO projects with CubeMX (4.5.0), because that project format fits my needs (arm-gcc, suitable startup code and linker script). However, I get an error message at the end of the code gene...

redecker by Associate II
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STM32F4 Discovery change timer ARR on the fly

Posted on December 10, 2014 at 18:41Hello everyone!I am experiencing problem with my discovery board. I am trying to accelerate my stepper motor, so when i push the button, i decrease value in TIM2 ARR with this command:uSeconds-=20;TIM_SetAutoreloa...

anze2 by Associate II
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ST32f407vgt6 sdcard fatfs problem

Posted on December 01, 2014 at 22:45STM32F4CUBEMX 4.5.0FIRmware 1.3.0in the mode  hsd.Init.BusWide = SDIO_BUS_WIDE_1B; everything works well but in mode   hsd.Init.BusWide = SDIO_BUS_WIDE_4B;retSD = FATFS_LinkDriver(&SD_Driver, SD_Path);    -  RES_O...

STM32 CUBE SDIO 4bit problem

Posted on November 24, 2014 at 16:19Hello;I want to use 4Bit SDIO on STM32F407VGT6 MCU. I already set all parameters on lastest STM32CubeMx software. RCC => External XtallSDIO =>4bit busMy Ide is KEIL 4.73.But this configuration is not working. When...

emre by Associate II
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