fat: use uart from aversive

[protos/imu.git] / uart.c

diff --git a/uart.c b/uart.c
deleted file mode 100644 (file)
index 3d218a5..0000000
--- a/uart.c
+++ /dev/null
@@ -1,198 +0,0 @@
-
-/*
- * Copyright (c) 2006-2012 by Roland Riegel <feedback@roland-riegel.de>
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <stdio.h>
-#include <avr/interrupt.h>
-#include <avr/io.h>
-#include <avr/pgmspace.h>
-#include <avr/sfr_defs.h>
-#include <avr/sleep.h>
-
-#include "uart.h"
-
-/* some mcus have multiple uarts */
-#ifdef UDR0
-#define UBRRH UBRR0H
-#define UBRRL UBRR0L
-#define UDR UDR0
-
-#define UCSRA UCSR0A
-#define UDRE UDRE0
-#define RXC RXC0
-
-#define UCSRB UCSR0B
-#define RXEN RXEN0
-#define TXEN TXEN0
-#define RXCIE RXCIE0
-
-#define UCSRC UCSR0C
-#define URSEL
-#define UCSZ0 UCSZ00
-#define UCSZ1 UCSZ01
-#define UCSRC_SELECT 0
-#else
-#define UCSRC_SELECT (1 << URSEL)
-#endif
-
-#ifndef USART_RXC_vect
-#if defined(UART0_RX_vect)
-#define USART_RXC_vect UART0_RX_vect
-#elif defined(UART_RX_vect)
-#define USART_RXC_vect UART_RX_vect
-#elif defined(USART0_RX_vect)
-#define USART_RXC_vect USART0_RX_vect
-#elif defined(USART_RX_vect)
-#define USART_RXC_vect USART_RX_vect
-#elif defined(USART0_RXC_vect)
-#define USART_RXC_vect USART0_RXC_vect
-#elif defined(USART_RXC_vect)
-#define USART_RXC_vect USART_RXC_vect
-#else
-#error "Uart receive complete interrupt not defined!"
-#endif
-#endif
-
-#define BAUD 9600UL
-#define UBRRVAL (F_CPU/(BAUD*16)-1)
-#define USE_SLEEP 1
-
-void uart_init()
-{
-    /* set baud rate */
-    UBRRH = UBRRVAL >> 8;
-    UBRRL = UBRRVAL & 0xff;
-    /* set frame format: 8 bit, no parity, 1 bit */
-    UCSRC = UCSRC_SELECT | (1 << UCSZ1) | (1 << UCSZ0);
-    /* enable serial receiver and transmitter */
-#if !USE_SLEEP
-    UCSRB = (1 << RXEN) | (1 << TXEN);
-#else
-    UCSRB = (1 << RXEN) | (1 << TXEN) | (1 << RXCIE);
-#endif
-}
-
-void uart_putc(uint8_t c)
-{
-    if(c == '\n')
-       uart_putc('\r');
-
-    /* wait until transmit buffer is empty */
-    while(!(UCSRA & (1 << UDRE)));
-
-    /* send next byte */
-    UDR = c;
-}
-
-void uart_putc_hex(uint8_t b)
-{
-    /* upper nibble */
-    if((b >> 4) < 0x0a)
-       uart_putc((b >> 4) + '0');
-    else
-       uart_putc((b >> 4) - 0x0a + 'a');
-
-    /* lower nibble */
-    if((b & 0x0f) < 0x0a)
-       uart_putc((b & 0x0f) + '0');
-    else
-       uart_putc((b & 0x0f) - 0x0a + 'a');
-}
-
-void uart_putw_hex(uint16_t w)
-{
-    uart_putc_hex((uint8_t) (w >> 8));
-    uart_putc_hex((uint8_t) (w & 0xff));
-}
-
-void uart_putdw_hex(uint32_t dw)
-{
-    uart_putw_hex((uint16_t) (dw >> 16));
-    uart_putw_hex((uint16_t) (dw & 0xffff));
-}
-
-void uart_putw_dec(uint16_t w)
-{
-    uint16_t num = 10000;
-    uint8_t started = 0;
-
-    while(num > 0)
-    {
-       uint8_t b = w / num;
-       if(b > 0 || started || num == 1)
-       {
-           uart_putc('0' + b);
-           started = 1;
-       }
-       w -= b * num;
-
-       num /= 10;
-    }
-}
-
-void uart_putdw_dec(uint32_t dw)
-{
-    uint32_t num = 1000000000;
-    uint8_t started = 0;
-
-    while(num > 0)
-    {
-       uint8_t b = dw / num;
-       if(b > 0 || started || num == 1)
-       {
-           uart_putc('0' + b);
-           started = 1;
-       }
-       dw -= b * num;
-
-       num /= 10;
-    }
-}
-
-void uart_puts(const char* str)
-{
-    while(*str)
-       uart_putc(*str++);
-}
-
-void uart_puts_p(PGM_P str)
-{
-    while(1)
-    {
-       uint8_t b = pgm_read_byte_near(str++);
-       if(!b)
-           break;
-
-       uart_putc(b);
-    }
-}
-
-uint8_t uart_getc()
-{
-    /* wait until receive buffer is full */
-#if USE_SLEEP
-    uint8_t sreg = SREG;
-    sei();
-
-    while(!(UCSRA & (1 << RXC)))
-       sleep_mode();
-
-    SREG = sreg;
-#else
-    while(!(UCSRA & (1 << RXC)));
-#endif
-
-    uint8_t b = UDR;
-    if(b == '\r')
-       b = '\n';
-
-    return b;
-}
-
-EMPTY_INTERRUPT(USART_RXC_vect)
-