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PIO hinzugefügt

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This commit is contained in:
Tristan Krause 2019-03-25 09:57:38 +01:00
parent 99c282566f
commit 419e37eeae
14 changed files with 954 additions and 75 deletions

BIN
B15F.elf
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62
B15F.hex
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@ -7,62 +7,8 @@
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12
Makefile
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@ -8,11 +8,11 @@ COMPILER_PATH = C:\avr8-gnu-toolchain-win32_x86\bin\avr-g++.exe
OBJCOPY_PATH = C:\avr8-gnu-toolchain-win32_x86\bin\avr-objcopy.exe
OUTPUT = B15F.elf
OUTPUT = B15F.elf
HEX = B15F.hex
CFLAGS = -std=c++14 -mmcu=atmega1284 -DF_CPU=20000000
CFLAGS = -std=c++14 -O3 -mmcu=atmega1284 -DF_CPU=20000000 -DPIO_DISABLE_I2C
LDFLAGS =
OBJECTS = main.o spi.o
OBJECTS = main.o spi.o
COMPILE = $(COMPILER_PATH) $(CFLAGS)
@ -24,13 +24,13 @@ B15F: $(OBJECTS)
$(OBJCOPY_PATH) -O ihex -R .eeprom -R .fuse -R .lock -R .signature $(OUTPUT) $(HEX)
help:
@echo "This Makefile has the following rules. Use one of the following:"
@echo "This Makefile has the following rules:"
@echo "make B15F .... to compile (default)"
@echo "make clean ... to delete objects and hex file"
@echo "make clean ... to delete objects, elf and hex file"
clean:
@echo "Cleaning..."
rm -f $(OBJECTS) $(OUTPUT)
rm -f $(OBJECTS) $(OUTPUT) $(HEX)
.cpp.o:
$(COMPILE) -c $< -o $@

95
pio.h Normal file
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@ -0,0 +1,95 @@
/***
* _______ _____ ___
* |_ __ \|_ _|.' `.
* | |__) | | | / .-. \
* | ___/ | | | | | |
* _| |_ _| |_\ `-' /
* |_____| |_____|`.___.'
*
* Preprocessor I/O Library
*
* ~ version 1.0.0
* ~ written by Tristan Krause
* ~ visit www.devfix.net
*
* You should have received a copy of the MIT License.
* If not, see <https://opensource.org/licenses/MIT>.
*
* How does it work?
* ----------------------------------------------
* Instead of the classical way
* (1a) DDRA |= (1<<PA0);
* you can now write
* (1b) dMode(A0, OUT);
*
* It gets directly replaced by the fast
* PORT manipulation command (1a) using
* preprocessor macros. This way, PIO
* does not increase the overall memory
* consumption or slow down the execution
* like Arduino does.
*
* Why using PIO? The Port commands are enough...
* ----------------------------------------------
* First, the code gets a bit more readable,
* especially for beginners.
* Second, you can define pins regardless
* their corresponding port, resulting in
* a more flexible code. For instance:
* (2a) #define LED A0
* dMode(LED, OUT);
* dWrite(LED, HIGH);
* If you now choose another pin, the rest
* of the code can stay the same and PIO
* will take care of the right PORT commands.
* (2b) #define LED D6 // this changed
* dMode(LED, OUT); // same command
* dWrite(LED, HIGH); // same command
*
*/
#ifndef PIO_H
#define PIO_H
// current version
#define PIOLIB 100
#include <avr/io.h>
#ifdef HIGH
#undef HIGH
#endif
#define HIGH 1
#ifndef LOW
#undef LOW
#endif
#define LOW 0
#ifndef OUT
#undef OUT
#endif
#define OUT 1
#ifndef OUTPUT
#undef OUTPUT
#endif
#define OUTPUT 1
#ifndef IN
#undef IN
#endif
#define IN 0
#ifndef INPUT
#undef INPUT
#endif
#define INPUT 0
#include "pio/dmode.h"
#include "pio/dwrite.h"
#include "pio/dread.h"
#include "pio/mcus.h"
#endif // PIO_H

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pio/dmode.h Normal file
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/***
* dmode.h
* This file is part of the PIO library.
* For license information see "pio.h" in the parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should be included directly. Use "pio.h" instead.
#endif
#ifndef PIO_DMODE_H
#define PIO_DMODE_H
#define dMode(A, B) dMode_(A, B)
#define dMode_(A, B) DMODE ## _ ## A ## _ ## B
#ifdef PA0
#define DMODE_A0_1 DDRA |= 0x01
#define DMODE_A0_0 DDRA &= 0xFE
#else
#define DMODE_A0_1 # Pin A0 not supported on this MCU!
#define DMODE_A0_0 DMODE_A0_1
#endif
#ifdef PA1
#define DMODE_A1_1 DDRA |= 0x02
#define DMODE_A1_0 DDRA &= 0xFD
#else
#define DMODE_A1_1 # Pin A1 not supported on this MCU!
#define DMODE_A1_0 DMODE_A1_1
#endif
#ifdef PA2
#define DMODE_A2_1 DDRA |= 0x04
#define DMODE_A2_0 DDRA &= 0xFB
#else
#define DMODE_A2_1 # Pin A2 not supported on this MCU!
#define DMODE_A2_0 DMODE_A2_1
#endif
#ifdef PA3
#define DMODE_A3_1 DDRA |= 0x08
#define DMODE_A3_0 DDRA &= 0xF7
#else
#define DMODE_A3_1 # Pin A3 not supported on this MCU!
#define DMODE_A3_0 DMODE_A3_1
#endif
#ifdef PA4
#define DMODE_A4_1 DDRA |= 0x10
#define DMODE_A4_0 DDRA &= 0xEF
#else
#define DMODE_A4_1 # Pin A4 not supported on this MCU!
#define DMODE_A4_0 DMODE_A4_1
#endif
#ifdef PA5
#define DMODE_A5_1 DDRA |= 0x20
#define DMODE_A5_0 DDRA &= 0xDF
#else
#define DMODE_A5_1 # Pin A5 not supported on this MCU!
#define DMODE_A5_0 DMODE_A5_1
#endif
#ifdef PA6
#define DMODE_A6_1 DDRA |= 0x40
#define DMODE_A6_0 DDRA &= 0xBF
#else
#define DMODE_A6_1 # Pin A6 not supported on this MCU!
#define DMODE_A6_0 DMODE_A6_1
#endif
#ifdef PA7
#define DMODE_A7_1 DDRA |= 0x80
#define DMODE_A7_0 DDRA &= 0x7F
#else
#define DMODE_A7_1 # Pin A7 not supported on this MCU!
#define DMODE_A7_0 DMODE_A7_1
#endif
#ifdef PB0
#define DMODE_B0_1 DDRB |= 0x01
#define DMODE_B0_0 DDRB &= 0xFE
#else
#define DMODE_B0_1 # Pin B0 not supported on this MCU!
#define DMODE_B0_0 DMODE_B0_1
#endif
#ifdef PB1
#define DMODE_B1_1 DDRB |= 0x02
#define DMODE_B1_0 DDRB &= 0xFD
#else
#define DMODE_B1_1 # Pin B1 not supported on this MCU!
#define DMODE_B1_0 DMODE_B1_1
#endif
#ifdef PB2
#define DMODE_B2_1 DDRB |= 0x04
#define DMODE_B2_0 DDRB &= 0xFB
#else
#define DMODE_B2_1 # Pin B2 not supported on this MCU!
#define DMODE_B2_0 DMODE_B2_1
#endif
#ifdef PB3
#define DMODE_B3_1 DDRB |= 0x08
#define DMODE_B3_0 DDRB &= 0xF7
#else
#define DMODE_B3_1 # Pin B3 not supported on this MCU!
#define DMODE_B3_0 DMODE_B3_1
#endif
#ifdef PB4
#define DMODE_B4_1 DDRB |= 0x10
#define DMODE_B4_0 DDRB &= 0xEF
#else
#define DMODE_B4_1 # Pin B4 not supported on this MCU!
#define DMODE_B4_0 DMODE_B4_1
#endif
#ifdef PB5
#define DMODE_B5_1 DDRB |= 0x20
#define DMODE_B5_0 DDRB &= 0xDF
#else
#define DMODE_B5_1 # Pin B5 not supported on this MCU!
#define DMODE_B5_0 DMODE_B5_1
#endif
#ifdef PB6
#define DMODE_B6_1 DDRB |= 0x40
#define DMODE_B6_0 DDRB &= 0xBF
#else
#define DMODE_B6_1 # Pin B6 not supported on this MCU!
#define DMODE_B6_0 DMODE_B6_1
#endif
#ifdef PB7
#define DMODE_B7_1 DDRB |= 0x80
#define DMODE_B7_0 DDRB &= 0x7F
#else
#define DMODE_B7_1 # Pin B7 not supported on this MCU!
#define DMODE_B7_0 DMODE_B7_1
#endif
#ifdef PC0
#define DMODE_C0_1 DDRC |= 0x01
#define DMODE_C0_0 DDRC &= 0xFE
#else
#define DMODE_C0_1 # Pin C0 not supported on this MCU!
#define DMODE_C0_0 DMODE_C0_1
#endif
#ifdef PC1
#define DMODE_C1_1 DDRC |= 0x02
#define DMODE_C1_0 DDRC &= 0xFD
#else
#define DMODE_C1_1 # Pin C1 not supported on this MCU!
#define DMODE_C1_0 DMODE_C1_1
#endif
#ifdef PC2
#define DMODE_C2_1 DDRC |= 0x04
#define DMODE_C2_0 DDRC &= 0xFB
#else
#define DMODE_C2_1 # Pin C2 not supported on this MCU!
#define DMODE_C2_0 DMODE_C2_1
#endif
#ifdef PC3
#define DMODE_C3_1 DDRC |= 0x08
#define DMODE_C3_0 DDRC &= 0xF7
#else
#define DMODE_C3_1 # Pin C3 not supported on this MCU!
#define DMODE_C3_0 DMODE_C3_1
#endif
#ifdef PC4
#define DMODE_C4_1 DDRC |= 0x10
#define DMODE_C4_0 DDRC &= 0xEF
#else
#define DMODE_C4_1 # Pin C4 not supported on this MCU!
#define DMODE_C4_0 DMODE_C4_1
#endif
#ifdef PC5
#define DMODE_C5_1 DDRC |= 0x20
#define DMODE_C5_0 DDRC &= 0xDF
#else
#define DMODE_C5_1 # Pin C5 not supported on this MCU!
#define DMODE_C5_0 DMODE_C5_1
#endif
#ifdef PC6
#define DMODE_C6_1 DDRC |= 0x40
#define DMODE_C6_0 DDRC &= 0xBF
#else
#define DMODE_C6_1 # Pin C6 not supported on this MCU!
#define DMODE_C6_0 DMODE_C6_1
#endif
#ifdef PC7
#define DMODE_C7_1 DDRC |= 0x80
#define DMODE_C7_0 DDRC &= 0x7F
#else
#define DMODE_C7_1 # Pin C7 not supported on this MCU!
#define DMODE_C7_0 DMODE_C7_1
#endif
#ifdef PD0
#define DMODE_D0_1 DDRD |= 0x01
#define DMODE_D0_0 DDRD &= 0xFE
#else
#define DMODE_D0_1 # Pin D0 not supported on this MCU!
#define DMODE_D0_0 DMODE_D0_1
#endif
#ifdef PD1
#define DMODE_D1_1 DDRD |= 0x02
#define DMODE_D1_0 DDRD &= 0xFD
#else
#define DMODE_D1_1 # Pin D1 not supported on this MCU!
#define DMODE_D1_0 DMODE_D1_1
#endif
#ifdef PD2
#define DMODE_D2_1 DDRD |= 0x04
#define DMODE_D2_0 DDRD &= 0xFB
#else
#define DMODE_D2_1 # Pin D2 not supported on this MCU!
#define DMODE_D2_0 DMODE_D2_1
#endif
#ifdef PD3
#define DMODE_D3_1 DDRD |= 0x08
#define DMODE_D3_0 DDRD &= 0xF7
#else
#define DMODE_D3_1 # Pin D3 not supported on this MCU!
#define DMODE_D3_0 DMODE_D3_1
#endif
#ifdef PD4
#define DMODE_D4_1 DDRD |= 0x10
#define DMODE_D4_0 DDRD &= 0xEF
#else
#define DMODE_D4_1 # Pin D4 not supported on this MCU!
#define DMODE_D4_0 DMODE_D4_1
#endif
#ifdef PD5
#define DMODE_D5_1 DDRD |= 0x20
#define DMODE_D5_0 DDRD &= 0xDF
#else
#define DMODE_D5_1 # Pin D5 not supported on this MCU!
#define DMODE_D5_0 DMODE_D5_1
#endif
#ifdef PD6
#define DMODE_D6_1 DDRD |= 0x40
#define DMODE_D6_0 DDRD &= 0xBF
#else
#define DMODE_D6_1 # Pin D6 not supported on this MCU!
#define DMODE_D6_0 DMODE_D6_1
#endif
#ifdef PD7
#define DMODE_D7_1 DDRD |= 0x80
#define DMODE_D7_0 DDRD &= 0x7F
#else
#define DMODE_D7_1 # Pin D7 not supported on this MCU!
#define DMODE_D7_0 DMODE_D7_1
#endif
#endif // PIO_DMODE_H

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pio/dread.h Normal file
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@ -0,0 +1,183 @@
/***
* dread.h
* This file is part of the PIO library.
* For license information see "pio.h" in the parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should be included directly. Use "pio.h" instead.
#endif
#ifndef PIO_DREAD_H
#define PIO_DREAD_H
#define dRead(A) dRead_(A)
#define dRead_(A) DREAD ## _ ## A
#ifdef PA0
#define DREAD_A0 (PINA & 0x01)
#else
#define DREAD_A0 # Pin A0 not supported on this MCU!
#endif
#ifdef PA1
#define DREAD_A1 (PINA & 0x02)
#else
#define DREAD_A1 # Pin A1 not supported on this MCU!
#endif
#ifdef PA2
#define DREAD_A2 (PINA & 0x04)
#else
#define DREAD_A2 # Pin A2 not supported on this MCU!
#endif
#ifdef PA3
#define DREAD_A3 (PINA & 0x08)
#else
#define DREAD_A3 # Pin A3 not supported on this MCU!
#endif
#ifdef PA4
#define DREAD_A4 (PINA & 0x10)
#else
#define DREAD_A4 # Pin A4 not supported on this MCU!
#endif
#ifdef PA5
#define DREAD_A5 (PINA & 0x20)
#else
#define DREAD_A5 # Pin A5 not supported on this MCU!
#endif
#ifdef PA6
#define DREAD_A6 (PINA & 0x40)
#else
#define DREAD_A6 # Pin A6 not supported on this MCU!
#endif
#ifdef PA7
#define DREAD_A7 (PINA & 0x80)
#else
#define DREAD_A7 # Pin A7 not supported on this MCU!
#endif
#ifdef PB0
#define DREAD_B0 (PINB & 0x01)
#else
#define DREAD_B0 # Pin B0 not supported on this MCU!
#endif
#ifdef PB1
#define DREAD_B1 (PINB & 0x02)
#else
#define DREAD_B1 # Pin B1 not supported on this MCU!
#endif
#ifdef PB2
#define DREAD_B2 (PINB & 0x04)
#else
#define DREAD_B2 # Pin B2 not supported on this MCU!
#endif
#ifdef PB3
#define DREAD_B3 (PINB & 0x08)
#else
#define DREAD_B3 # Pin B3 not supported on this MCU!
#endif
#ifdef PB4
#define DREAD_B4 (PINB & 0x10)
#else
#define DREAD_B4 # Pin B4 not supported on this MCU!
#endif
#ifdef PB5
#define DREAD_B5 (PINB & 0x20)
#else
#define DREAD_B5 # Pin B5 not supported on this MCU!
#endif
#ifdef PB6
#define DREAD_B6 (PINB & 0x40)
#else
#define DREAD_B6 # Pin B6 not supported on this MCU!
#endif
#ifdef PB7
#define DREAD_B7 (PINB & 0x80)
#else
#define DREAD_B7 # Pin B7 not supported on this MCU!
#endif
#ifdef PC0
#define DREAD_C0 (PINC & 0x01)
#else
#define DREAD_C0 # Pin C0 not supported on this MCU!
#endif
#ifdef PC1
#define DREAD_C1 (PINC & 0x02)
#else
#define DREAD_C1 # Pin C1 not supported on this MCU!
#endif
#ifdef PC2
#define DREAD_C2 (PINC & 0x04)
#else
#define DREAD_C2 # Pin C2 not supported on this MCU!
#endif
#ifdef PC3
#define DREAD_C3 (PINC & 0x08)
#else
#define DREAD_C3 # Pin C3 not supported on this MCU!
#endif
#ifdef PC4
#define DREAD_C4 (PINC & 0x10)
#else
#define DREAD_C4 # Pin C4 not supported on this MCU!
#endif
#ifdef PC5
#define DREAD_C5 (PINC & 0x20)
#else
#define DREAD_C5 # Pin C5 not supported on this MCU!
#endif
#ifdef PC6
#define DREAD_C6 (PINC & 0x40)
#else
#define DREAD_C6 # Pin C6 not supported on this MCU!
#endif
#ifdef PC7
#define DREAD_C7 (PINC & 0x80)
#else
#define DREAD_C7 # Pin C7 not supported on this MCU!
#endif
#ifdef PD0
#define DREAD_D0 (PIND & 0x01)
#else
#define DREAD_D0 # Pin D0 not supported on this MCU!
#endif
#ifdef PD1
#define DREAD_D1 (PIND & 0x02)
#else
#define DREAD_D1 # Pin D1 not supported on this MCU!
#endif
#ifdef PD2
#define DREAD_D2 (PIND & 0x04)
#else
#define DREAD_D2 # Pin D2 not supported on this MCU!
#endif
#ifdef PD3
#define DREAD_D3 (PIND & 0x08)
#else
#define DREAD_D3 # Pin D3 not supported on this MCU!
#endif
#ifdef PD4
#define DREAD_D4 (PIND & 0x10)
#else
#define DREAD_D4 # Pin D4 not supported on this MCU!
#endif
#ifdef PD5
#define DREAD_D5 (PIND & 0x20)
#else
#define DREAD_D5 # Pin D5 not supported on this MCU!
#endif
#ifdef PD6
#define DREAD_D6 (PIND & 0x40)
#else
#define DREAD_D6 # Pin D6 not supported on this MCU!
#endif
#ifdef PD7
#define DREAD_D7 (PIND & 0x80)
#else
#define DREAD_D7 # Pin D7 not supported on this MCU!
#endif
#endif // PIO_DREAD_H

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/***
* dwrite.h
* This file is part of the PIO library.
* For license information see "pio.h" in the parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should be included directly. Use "pio.h" instead.
#endif
#ifndef PIO_DWRITE_H
#define PIO_DWRITE_H
#define dWrite(A, B) dWrite_(A, B)
#define dWrite_(A, B) DWRITE ## _ ## A ## _ ## B
#ifdef PA0
#define DWRITE_A0_1 PORTA |= 0x01
#define DWRITE_A0_0 PORTA &= 0xFE
#else
#define DWRITE_A0_1 # Pin A0 not supported on this MCU!
#define DWRITE_A0_0 DWRITE_A0_1
#endif
#ifdef PA1
#define DWRITE_A1_1 PORTA |= 0x02
#define DWRITE_A1_0 PORTA &= 0xFD
#else
#define DWRITE_A1_1 # Pin A1 not supported on this MCU!
#define DWRITE_A1_0 DWRITE_A1_1
#endif
#ifdef PA2
#define DWRITE_A2_1 PORTA |= 0x04
#define DWRITE_A2_0 PORTA &= 0xFB
#else
#define DWRITE_A2_1 # Pin A2 not supported on this MCU!
#define DWRITE_A2_0 DWRITE_A2_1
#endif
#ifdef PA3
#define DWRITE_A3_1 PORTA |= 0x08
#define DWRITE_A3_0 PORTA &= 0xF7
#else
#define DWRITE_A3_1 # Pin A3 not supported on this MCU!
#define DWRITE_A3_0 DWRITE_A3_1
#endif
#ifdef PA4
#define DWRITE_A4_1 PORTA |= 0x10
#define DWRITE_A4_0 PORTA &= 0xEF
#else
#define DWRITE_A4_1 # Pin A4 not supported on this MCU!
#define DWRITE_A4_0 DWRITE_A4_1
#endif
#ifdef PA5
#define DWRITE_A5_1 PORTA |= 0x20
#define DWRITE_A5_0 PORTA &= 0xDF
#else
#define DWRITE_A5_1 # Pin A5 not supported on this MCU!
#define DWRITE_A5_0 DWRITE_A5_1
#endif
#ifdef PA6
#define DWRITE_A6_1 PORTA |= 0x40
#define DWRITE_A6_0 PORTA &= 0xBF
#else
#define DWRITE_A6_1 # Pin A6 not supported on this MCU!
#define DWRITE_A6_0 DWRITE_A6_1
#endif
#ifdef PA7
#define DWRITE_A7_1 PORTA |= 0x80
#define DWRITE_A7_0 PORTA &= 0x7F
#else
#define DWRITE_A7_1 # Pin A7 not supported on this MCU!
#define DWRITE_A7_0 DWRITE_A7_1
#endif
#ifdef PB0
#define DWRITE_B0_1 PORTB |= 0x01
#define DWRITE_B0_0 PORTB &= 0xFE
#else
#define DWRITE_B0_1 # Pin B0 not supported on this MCU!
#define DWRITE_B0_0 DWRITE_B0_1
#endif
#ifdef PB1
#define DWRITE_B1_1 PORTB |= 0x02
#define DWRITE_B1_0 PORTB &= 0xFD
#else
#define DWRITE_B1_1 # Pin B1 not supported on this MCU!
#define DWRITE_B1_0 DWRITE_B1_1
#endif
#ifdef PB2
#define DWRITE_B2_1 PORTB |= 0x04
#define DWRITE_B2_0 PORTB &= 0xFB
#else
#define DWRITE_B2_1 # Pin B2 not supported on this MCU!
#define DWRITE_B2_0 DWRITE_B2_1
#endif
#ifdef PB3
#define DWRITE_B3_1 PORTB |= 0x08
#define DWRITE_B3_0 PORTB &= 0xF7
#else
#define DWRITE_B3_1 # Pin B3 not supported on this MCU!
#define DWRITE_B3_0 DWRITE_B3_1
#endif
#ifdef PB4
#define DWRITE_B4_1 PORTB |= 0x10
#define DWRITE_B4_0 PORTB &= 0xEF
#else
#define DWRITE_B4_1 # Pin B4 not supported on this MCU!
#define DWRITE_B4_0 DWRITE_B4_1
#endif
#ifdef PB5
#define DWRITE_B5_1 PORTB |= 0x20
#define DWRITE_B5_0 PORTB &= 0xDF
#else
#define DWRITE_B5_1 # Pin B5 not supported on this MCU!
#define DWRITE_B5_0 DWRITE_B5_1
#endif
#ifdef PB6
#define DWRITE_B6_1 PORTB |= 0x40
#define DWRITE_B6_0 PORTB &= 0xBF
#else
#define DWRITE_B6_1 # Pin B6 not supported on this MCU!
#define DWRITE_B6_0 DWRITE_B6_1
#endif
#ifdef PB7
#define DWRITE_B7_1 PORTB |= 0x80
#define DWRITE_B7_0 PORTB &= 0x7F
#else
#define DWRITE_B7_1 # Pin B7 not supported on this MCU!
#define DWRITE_B7_0 DWRITE_B7_1
#endif
#ifdef PC0
#define DWRITE_C0_1 PORTC |= 0x01
#define DWRITE_C0_0 PORTC &= 0xFE
#else
#define DWRITE_C0_1 # Pin C0 not supported on this MCU!
#define DWRITE_C0_0 DWRITE_C0_1
#endif
#ifdef PC1
#define DWRITE_C1_1 PORTC |= 0x02
#define DWRITE_C1_0 PORTC &= 0xFD
#else
#define DWRITE_C1_1 # Pin C1 not supported on this MCU!
#define DWRITE_C1_0 DWRITE_C1_1
#endif
#ifdef PC2
#define DWRITE_C2_1 PORTC |= 0x04
#define DWRITE_C2_0 PORTC &= 0xFB
#else
#define DWRITE_C2_1 # Pin C2 not supported on this MCU!
#define DWRITE_C2_0 DWRITE_C2_1
#endif
#ifdef PC3
#define DWRITE_C3_1 PORTC |= 0x08
#define DWRITE_C3_0 PORTC &= 0xF7
#else
#define DWRITE_C3_1 # Pin C3 not supported on this MCU!
#define DWRITE_C3_0 DWRITE_C3_1
#endif
#ifdef PC4
#define DWRITE_C4_1 PORTC |= 0x10
#define DWRITE_C4_0 PORTC &= 0xEF
#else
#define DWRITE_C4_1 # Pin C4 not supported on this MCU!
#define DWRITE_C4_0 DWRITE_C4_1
#endif
#ifdef PC5
#define DWRITE_C5_1 PORTC |= 0x20
#define DWRITE_C5_0 PORTC &= 0xDF
#else
#define DWRITE_C5_1 # Pin C5 not supported on this MCU!
#define DWRITE_C5_0 DWRITE_C5_1
#endif
#ifdef PC6
#define DWRITE_C6_1 PORTC |= 0x40
#define DWRITE_C6_0 PORTC &= 0xBF
#else
#define DWRITE_C6_1 # Pin C6 not supported on this MCU!
#define DWRITE_C6_0 DWRITE_C6_1
#endif
#ifdef PC7
#define DWRITE_C7_1 PORTC |= 0x80
#define DWRITE_C7_0 PORTC &= 0x7F
#else
#define DWRITE_C7_1 # Pin C7 not supported on this MCU!
#define DWRITE_C7_0 DWRITE_C7_1
#endif
#ifdef PD0
#define DWRITE_D0_1 PORTD |= 0x01
#define DWRITE_D0_0 PORTD &= 0xFE
#else
#define DWRITE_D0_1 # Pin D0 not supported on this MCU!
#define DWRITE_D0_0 DWRITE_D0_1
#endif
#ifdef PD1
#define DWRITE_D1_1 PORTD |= 0x02
#define DWRITE_D1_0 PORTD &= 0xFD
#else
#define DWRITE_D1_1 # Pin D1 not supported on this MCU!
#define DWRITE_D1_0 DWRITE_D1_1
#endif
#ifdef PD2
#define DWRITE_D2_1 PORTD |= 0x04
#define DWRITE_D2_0 PORTD &= 0xFB
#else
#define DWRITE_D2_1 # Pin D2 not supported on this MCU!
#define DWRITE_D2_0 DWRITE_D2_1
#endif
#ifdef PD3
#define DWRITE_D3_1 PORTD |= 0x08
#define DWRITE_D3_0 PORTD &= 0xF7
#else
#define DWRITE_D3_1 # Pin D3 not supported on this MCU!
#define DWRITE_D3_0 DWRITE_D3_1
#endif
#ifdef PD4
#define DWRITE_D4_1 PORTD |= 0x10
#define DWRITE_D4_0 PORTD &= 0xEF
#else
#define DWRITE_D4_1 # Pin D4 not supported on this MCU!
#define DWRITE_D4_0 DWRITE_D4_1
#endif
#ifdef PD5
#define DWRITE_D5_1 PORTD |= 0x20
#define DWRITE_D5_0 PORTD &= 0xDF
#else
#define DWRITE_D5_1 # Pin D5 not supported on this MCU!
#define DWRITE_D5_0 DWRITE_D5_1
#endif
#ifdef PD6
#define DWRITE_D6_1 PORTD |= 0x40
#define DWRITE_D6_0 PORTD &= 0xBF
#else
#define DWRITE_D6_1 # Pin D6 not supported on this MCU!
#define DWRITE_D6_0 DWRITE_D6_1
#endif
#ifdef PD7
#define DWRITE_D7_1 PORTD |= 0x80
#define DWRITE_D7_0 PORTD &= 0x7F
#else
#define DWRITE_D7_1 # Pin D7 not supported on this MCU!
#define DWRITE_D7_0 DWRITE_D7_1
#endif
#endif // PIO_DWRITE_H

78
pio/i2c/impl0.h Normal file
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/***
* impl0.h
* This file is part of the PIO library.
* For license information see "pio.h" in the super parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should be included directly. Use "pio.h" instead.
#endif
#ifndef F_CPU
#error F_CPU not defined!
#endif
#ifndef F_I2C
#ifndef PIO_DISABLE_I2C
#warning F_I2C not defined, I2C disabled.
#endif
#else
#include <stdlib.h>
// AVR TWI master transmitter status codes
#define TWS_START 0x08
#define TWS_REPEATED_START 0x10
#define TWS_ADDR_ACK 0x18
#define TWS_ADDR_NOT_ACK 0x20
#define TWS_DATA_ACK 0x28
#define TWS_DATA_NOT_ACK 0x30
#define TWS_ARB_LOST 0x38
// functions
void i2cInit(void);
void i2cBeginTransmission(uint8_t);
void i2cSend(uint8_t);
void i2cEndTransmission(void);
// error function pointer
void (*i2cError)(void) = NULL;
void i2cInit() {
// i2c clock speed, see SCL frequency formula in datasheet
uint16_t sp = F_CPU / F_I2C - 16;
uint16_t bp = sp;
while(sp > 510) {
TWSR++;
sp /= 4;
}
TWBR = bp / (1<<(2*(TWSR & 0x03)+1));
}
void i2cBeginTransmission(uint8_t addr) {
TWCR = _BV(TWEN) | _BV(TWINT) | _BV(TWSTA);
while (!(TWCR & _BV(TWINT)));
if((TWSR & 0xF8) != TWS_START)
i2cError();
TWDR = (addr & 0xFE) << 1;
TWCR = _BV(TWEN) | _BV(TWINT);
while (!(TWCR & _BV(TWINT)));
if((TWSR & 0xF8) != TWS_ADDR_ACK)
i2cError();
}
void i2cSend(uint8_t b) {
TWDR = b;
TWCR = _BV(TWEN) | _BV(TWINT);
while (!(TWCR & _BV(TWINT)));
if((TWSR & 0xF8) != TWS_DATA_ACK)
i2cError();
}
void i2cEndTransmission() {
TWCR = _BV(TWEN) | _BV(TWINT) | _BV(TWSTO);
while (TWCR & _BV(TWSTO));
}
#endif

22
pio/mcus.h Normal file
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/***
* mcus.h
* This file is part of the PIO library.
* For license information see "pio.h" in the parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should be included directly. Use "pio.h" instead.
#endif
#ifndef PIO_MCUS_H
#define PIO_MCUS_H
#include "mcus/atmega328p.h"
#include "mcus/atmega16.h"
#include "mcus/atmega1284.h"
#ifndef MCU
#error No compatible MCU header file found.
#endif
#endif // PIO_MCUS_H

17
pio/mcus/atmega1284.h Normal file
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/***
* atmega1284.h
* This file is part of the PIO library.
* For license information see "pio.h" in the super parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should not be included directly. Use "pio.h" instead.
#endif
#ifdef __AVR_ATmega1284__
#define MCU ATmega1284
#include "../i2c/impl0.h"
#endif

17
pio/mcus/atmega16.h Normal file
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/***
* atmega16.h
* This file is part of the PIO library.
* For license information see "pio.h" in the super parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should not be included directly. Use "pio.h" instead.
#endif
#ifdef __AVR_ATmega16__
#define MCU ATmega16
#include "../i2c/impl0.h"
#endif

14
pio/mcus/atmega328p.h Normal file
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/***
* atmega328p.h
* This file is part of the PIO library.
* For license information see "pio.h" in the super parent directory.
*/
#if !defined(PIOLIB) || PIOLIB < 100
#error This file should not be included directly. Use "pio.h" instead.
#endif
#ifdef __AVR_ATmega328P__
#error Not implemented!
#endif

12
spi.cpp
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#include "spi.h"
SPI::SPI(void)
{
}
void SPI::init(void) const
{
dMode(MOSI, OUT);
dMode(MISO, IN);
dMode(SCLK, OUT);
}

20
spi.h
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@ -1,19 +1,17 @@
#ifndef SPI_H
#define SPI_H
#ifndef SPI_MASTER_H
#define SPI_MASTER_H
#include <util/delay.h>
#include "pio.h"
#define MOSI B5
#define MISO B6
#define SCLK B7
class SPI {
public:
SPI(void) {
DDRB |= _BV(PB0);
while(1) {
PORTB ^= _BV(PB0);
_delay_ms(1);
}
}
private: int d;
SPI(void);
void init(void) const;
};