About Siva Ram

Siva Ram · 2023-02-21

I am using STM32F103C8 Blue Pill Board. I am trying to communicate with ATH20 Temperature & Humidity sensor from past One week. Configured STM32F103 Blue Pill - System Clock As (8mHz * PLL8 )= 64mHz and APB1 as 32mHz.I have Trouble wit START bit, Whe...

Siva Ram · 2023-02-13

STM32F103 SPI Communication with LSM6DSLTR Sensor. not getting data from sensor.Please go through my code and suggest me if any changes required in program#include "main.h" #include "timer.h" #include "uart.h" #include "gpio.h" #include "spi.h" vo...

Siva Ram · 2023-02-03

I am using STM32F103C8 MCU and Trying to communicate with Quectel EC200U-CN 4G module and i am not getting data through UART2 Receive pin. Please go through my code and suggest mevoid USART2_IRQHandler(void){ if ((USART2->SR & USART_SR_RXNE) != RESE...

Siva Ram · 2023-02-27

Hi Javier,(Edit)i am using customized sensor.connected 4.7K Pull up resistors on SDA & SCL lines.Sensor VCC 3.3V & GND Connected with Blue Pill.when i test the Voltage on SDA & SCL line its fluctuating between 2.9 to 3.15i am using CCR as Standard mo...

Siva Ram · 2023-02-05

Thank you gbm

Siva Ram · 2023-02-03

All connections are fine, please check below function. will it works? void USART2_IRQHandler(void){ if ((USART2->SR & USART_SR_RXNE) != RESET){ GSM_buf[GSM_indx] = USART2->DR; GSM_indx++; while(!(USART2->SR & USART_SR_TC)); } if(GSM_indx >= (BUF_SIZ...

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I2C Communication problem with STM32F103C8 Blue Pill Board.

Working with STM32F103 and LSM6DSL Sensor. not getting data from LSM6DSL sensor. SPI Communication problem?

UART Receive code is not working.

Re: I2C Communication problem with STM32F103C8 Blue Pill Board.

Re: UART Receive code is not working.

Re: UART Receive code is not working.