libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
port.c File Reference
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Functions

void gpio_mode_setup (uint32_t gpioport, uint8_t mode, uint8_t cnf, uint32_t gpios)
 Initialize GPIO pins. More...
 
void gpio_set_af (uint32_t gpioport, uint8_t af, uint32_t gpios)
 Alternate function GPIO pins. More...
 
void gpio_set (uint32_t gpioport, uint32_t gpios)
 Set a group of Pins. More...
 
void gpio_clear (uint32_t gpioport, uint32_t gpios)
 Clear a group of Pins. More...
 
uint32_t gpio_get (uint32_t gpioport, uint32_t gpios)
 Read level of a group of Pins. More...
 
void gpio_toggle (uint32_t gpioport, uint32_t gpios)
 Toggle level of a group of Pins. More...
 
uint32_t port_read (uint32_t port)
 Read level for all pins from a port. More...
 
void port_write (uint32_t port, uint32_t data)
 Set level for all pins from a port. More...