• Linker setup STM32F405
    I am sooo sorry to bother you guys with this. I'm just getting like zero help from the actual vendor who got me into this predicament. I am creating a stand-alone compiled .bin file for my device...
  • STM32F405 SD Card write speed
    I have a 60Mb file on my class 4 SD card. In a 'while' loop I read blocks of size 8kb from that file and write it in another file on the same flash. It takes approximately 3 minutes for a whole loop...
  • configuring spi1 nss pin in STM32F405 as external interrupt pin
    Hello everyone.. I am working on STM32F405xx controller. I am configuring SPI1 NSS pin(PA4) as external interrupt pin for falling edge but its not working for me. in reference manual it is given that...
  • I2c problem
    Hello, I'd like to ask a little bit help. I downloaded the mcb517_i2c aplication note. I try to read the LM75 tempereture sensor with the bit_bang i2c routines. The problem is... There is a 16 bit...
  • I2C problem
    Hallo, i'm using an 87C752 and i have great problem whit an EEPROM on the I2C bus. Someone can help me? Where can i find the I2C "C" routines? Thanks. Cristian