Tom V questions

Tom V answers

• What are the various ways to disable and re-enable interrupts in STM32 microcontrollers in order to implement atomic access guards?
• What RTC backup register should I use in STM32?
• BSS vs DATA segment in memory
• Howto disable warning in GCC 11.1 -mgeneral-regs-only' -Wattributes in the interrupt context on ARM architecture?
• STM32 UART in DMA mode stops receiving after receiving from a host with wrong baud rate
• Comparison uint8_t vs uint16_t while declaring a counter