AVR_ATMEGA_USART/avr_usart.h

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/*
* Author: Jake Goodwin
* Date: 2023
* Description: AT-09 Bluetooth module library for AVR micro crontrollers.
* Filename: avr_at-09.h
*/
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#include <avr/inttypes.h>
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//#############################
//PIN DEFINES AND CONSTS
//#############################
/*
* AVR D0 --> AT-09 TX
* AVR D1 --> AT-09 RX
* AVR D2 --> AT-09 State
*/
#define FOSC 8000000
#define BLE_BAUD 9600
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#define BT_UBRR FOSC/16/BLE_BAUD - 1
#define TX_PIN PIND0
#define TX_DDR DDD0
#define RX_PIN PIND1
#define RX_DDR DDD1
#define AT_PORT PORTD
//LED PIN for indicator and debug.
#define LED_PIN PINC0
#define LED_DDR DDC0
//#############################
//TYPES
//#############################
//#############################
//FUNCTION PROTOTYPES
//#############################
static void led_blink(void);
void init_usart0(void);
void tx_usart0(unsigned char data);
unsigned char rx_usart0(void);
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void serial0_write();
void serial0_read();
void serial0_set_baud(uint8_t baud);
void seiral0_enable_timeouts(uint8_t ms);