stm32 2G module
Posted on April 08, 2018 at 04:03HI I use stm32f107?now I want to communicate with a 2G gprs module by usb?How I do it ?#stm-32 #stm-32lo #stm-32f107 #stm-mcu
Forum Posts
STM32f302cc SPI code assistance needed
Posted on March 25, 2018 at 22:51Hi,I have recently move from the STM32f101 to the stm32f302, I am using atollic IDE and the Hal library for the initial configuration of the peripherals. I use register level setup for a lower overhead. having said ...
stm32R7VI widebus
Posted on March 24, 2018 at 10:29I met an interesting problem. When I tried to configure this IO with SD widebus config (4bit) with hal libraries I always failed with initialization because pin 1 of SD card is on logic 0.The solution was firstly let...
Resolved! Encoder mode and comparator?
Posted on April 08, 2018 at 09:59In the STM32F030x4/x6/x8/xC and STM32F070x6/xB reference manual (RM0360, ch 13.3.16) it says 'However, comparators are normally be used to convert the encoder�s differential outputs to digital signals. This greatly i...
STM32F411 Output pin connection while no VCC is applied
Posted on April 01, 2018 at 13:22Hello all,In my application, I'm controlling a secondary device using enable pin which has an internal pull-up resistor.The output pin is set to be ''0'' or open drain type output, and the STM32F411 VCC1 can be power...
Help to interface AT24C256 EEPROM with STM32F051r8
Posted on April 07, 2018 at 17:42I am trying to to write/read to at24c256.Iam new to I2C.I read about all theory stuffs.But i tried writing code from the i2c eeprom eg, but am not to able to skip the txis flag while loop.Please help.I commented the ...
Use of __libc_init_array call
Posted on April 07, 2018 at 18:36Hello,Into the startup assembly file there is a call to the __libc_init_array procedure, and i would like to know : What does it do ?If it is really essential ?What is the default implementation of the _init() proce...
Resolved! Timer update DMA generation problem
Posted on April 07, 2018 at 16:30Hello! I'm working with stm32f042 MCU. My task is to read GPIO 8-bit data (7-0 bits) periodically, the faster, the better. I use timer 3 to generate DMA request and DMA channel 4. The idea is the following one: timer...
Is the C standard library embedded with the program ?
Posted on April 07, 2018 at 18:27When i compile my project with gcc, does it : Include all the C standard library with my source code into the flash memory ?Or does it include only what i've used ?Or does it not include it at all ?Thanks.#c-compile...
STM32 I2C send 0XF0 slave address with 7bit slave address mode
Posted on April 05, 2018 at 18:09I want to send F0 slave address with 7 bit slave address mode by I2C.When I try to send I got ADDR10 error. Because F0 is reserved 10 bit slave address sending valueplease let me know there any way to send F0 for sla...
