STM32F091: I2C OLED Display Stuck in STM32

[sagar-moba]

I using OLED I2C display and its interface with STm32F091VBT6 MCU. My application is fuel dispensing i face issue while dispensing the OLED display is stuck. i cant find any error. can any body know me the solution.

i also attached the OLED & I2C file for reference which i made in keil IDE.

[Tesla DeLorean]

There's no error management or recovery. Lot of infinite loops with no timeouts. Yeah, so plenty of opportunities to "stuck" up.

void OLED_Show_0t9_Digit(void)
{
uint8_t buf[6]; << This buffer is too small, strings need a NUL

[sagar-moba]

Hello Tesla DeLorean,

Thanks for give this solution i will take care all the things and upload it again.

if any error found i will contact you.