ece312_finalproject/lcd_disp/periph.h
David Lenfesty 0bff1ffcac Importing code. I swear there are more commits :)
Imported code from larger repo for code. Has some stuff I didn't want
here.
2019-12-05 17:24:03 -07:00

45 lines
907 B
C

/**
* @mainpage
* Peripherals
*
* @brief Peripheral initialization functions and interrupt handling routines.
*
*
* Contains the ISRs to handle the USART RX interrupt and the display timer interrupt.
*/
#ifndef PERIPH_H_
#define PERIPH_H_
#include "main.h"
#define USART_BAUDRATE 9600 //! USART baudrate, change this to set it.
#define UBRR_VALUE (((F_CPU/(USART_BAUDRATE*16UL)))-1)
#define BUTTONS_DDR DDRD
#define BUTTONS_PORT PORTD
#define BUTTONS_LEFT_PIN PORTD2
#define BUTTONS_RIGHT_PIN PORTD3
#define BUTTONS_PLAYPAUSE_PIN PORTD4
/** @brief Sets up various GPIO functions
*
* First enables buttons as inputs.
*/
void gpio_init();
/** @brief Initialises timer for updating display
*
* Sets up timer0 in
*/
void timer_init();
/** @brief Sets up USART for TX and RX with a baud rate of USART_BAUDRATE
*/
void usart_init();
#endif