board.h File Reference

Board specific definitions for the STM32L476G-DISCO board. More...

Detailed Description

Board specific definitions for the STM32L476G-DISCO board.

Author
Alexandre Abadie alexa.nosp@m.ndre.nosp@m..abad.nosp@m.ie@i.nosp@m.nria..nosp@m.fr

Definition in file board.h.

#include <stdint.h>
#include "cpu.h"
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Functions

void board_init (void)
 Initialize board specific hardware, including clock, LEDs and std-IO.
 

LED pin definitions and handlers

#define LED0_PIN   GPIO_PIN(PORT_B, 2)
 
#define LED0_MASK   (1 << 2)
 
#define LED0_ON   (GPIOB->BSRR = LED0_MASK)
 
#define LED0_OFF   (GPIOB->BSRR = (LED0_MASK << 16))
 
#define LED0_TOGGLE   (GPIOB->ODR ^= LED0_MASK)
 
#define LED1_PIN   GPIO_PIN(PORT_E, 8)
 
#define LED1_MASK   (1 << 8)
 
#define LED1_ON   (GPIOE->BSRR = LED1_MASK)
 
#define LED1_OFF   (GPIOE->BSRR = (LED1_MASK << 16))
 
#define LED1_TOGGLE   (GPIOE->ODR ^= LED1_MASK)
 

Joystick buttons

#define BTN0_PIN   GPIO_PIN(PORT_A, 0)
 Center button pin.
 
#define BTN0_MODE   GPIO_IN_PD
 Center button mode.
 
#define BTN1_PIN   GPIO_PIN(PORT_A, 1)
 Left button pin.
 
#define BTN1_MODE   GPIO_IN_PD
 Left button mode.
 
#define BTN2_PIN   GPIO_PIN(PORT_A, 5)
 Down button pin.
 
#define BTN2_MODE   GPIO_IN_PD
 Down button mode.
 
#define BTN3_PIN   GPIO_PIN(PORT_A, 2)
 Right button pin.
 
#define BTN3_MODE   GPIO_IN_PD
 Right button mode.
 
#define BTN4_PIN   GPIO_PIN(PORT_A, 3)
 Up button pin.
 
#define BTN4_MODE   GPIO_IN_PD
 Up button mode.