/* Map Alternate Function Port Bits (Secondary Set) 
The AFIO remapping feature is used only with the STM32F10x series. */
void gpio_secondary_remap(uint32_t maps)
/* Map Alternate Function Port Bits (Secondary Set) 
The AFIO remapping feature is used only with the STM32F10x series. */
void gpio_secondary_remap(uint32_t maps)
{
	AFIO_MAPR2 |= maps;
}