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AVR8.h
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1 
7 /*
8  Copyright (c) 2012, Andy Gock
9 
10  All rights reserved.
11 
12  Redistribution and use in source and binary forms, with or without
13  modification, are permitted provided that the following conditions are met:
14  * Redistributions of source code must retain the above copyright
15  notice, this list of conditions and the following disclaimer.
16  * Redistributions in binary form must reproduce the above copyright
17  notice, this list of conditions and the following disclaimer in the
18  documentation and/or other materials provided with the distribution.
19  * Neither the name of Andy Gock nor the
20  names of its contributors may be used to endorse or promote products
21  derived from this software without specific prior written permission.
22 
23  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
24  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26  DISCLAIMED. IN NO EVENT SHALL ANDY GOCK BE LIABLE FOR ANY
27  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
30  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34 
35 #ifndef GLCD_PINOUTS_AVR8_H_
36 #define GLCD_PINOUTS_AVR8_H_
37 
38 #if defined(GLCD_DEVICE_AVR8)
39 
40 #include <avr/io.h>
41 #include <avr/pgmspace.h>
42 
43 #ifndef _BITHELPERS_
44 #define _BITHELPERS_
45 #define sbi(var, mask) ((var) |= _BV(mask))
46 #define cbi(var, mask) ((var) &= ~(_BV(mask)))
47 #define DDR(x) (*(&x - 1))
48 #define PIN(x) (*(&x - 2))
49 #endif
50 
51 #define swap(a, b) { uint8_t t = a; a = b; b = t; }
52 
53 #if defined(GLCD_CONTROLLER_PCD8544)
54 
59  #define AVR_SS_PORT PORTB
60  #define AVR_SS_PIN 0
61  #define CONTROLLER_MOSI_PORT PORTB
62  #define CONTROLLER_MOSI_PIN 2
63  #define CONTROLLER_MISO_PORT PORTB
64  #define CONTROLLER_MISO_PIN 3
65  #define CONTROLLER_SCK_PORT PORTB
66  #define CONTROLLER_SCK_PIN 1
67 
73  #define CONTROLLER_SS_PORT PORTA
74  #define CONTROLLER_SS_PIN 5
75  #define CONTROLLER_DC_PORT PORTB
76  #define CONTROLLER_DC_PIN 5
77  #define CONTROLLER_RST_PORT PORTB
78  #define CONTROLLER_RST_PIN 4
79 
81 #elif defined (GLCD_CONTROLLER_ST7565R)
82 
86  #define AVR_SS_PORT PORTB
87  #define AVR_SS_PIN 0
88  #define CONTROLLER_MOSI_PORT PORTB
89  #define CONTROLLER_MOSI_PIN 2
90  #define CONTROLLER_MISO_PORT PORTB
91  #define CONTROLLER_MISO_PIN 3
92  #define CONTROLLER_SCK_PORT PORTB
93  #define CONTROLLER_SCK_PIN 1
94 
100  #define CONTROLLER_A0_PORT PORTC
101  #define CONTROLLER_A0_PIN 0
102  #define CONTROLLER_SS_PORT PORTG
103  #define CONTROLLER_SS_PIN 0
104  #define CONTROLLER_RST_PORT PORTG
105  #define CONTROLLER_RST_PIN 1
106 
107 #else
108  #error "Controller not supported by AVR8"
109 #endif
110 
115 #define GLCD_SELECT() cbi(CONTROLLER_SS_PORT,CONTROLLER_SS_PIN)
116 #define GLCD_DESELECT() sbi(CONTROLLER_SS_PORT,CONTROLLER_SS_PIN)
117 #define GLCD_DC_LOW() cbi(CONTROLLER_DC_PORT,CONTROLLER_DC_PIN)
118 #define GLCD_DC_HIGH() sbi(CONTROLLER_DC_PORT,CONTROLLER_DC_PIN)
119 #define GLCD_RESET_LOW() cbi(CONTROLLER_RST_PORT,CONTROLLER_RST_PIN)
120 #define GLCD_RESET_HIGH() sbi(CONTROLLER_RST_PORT,CONTROLLER_RST_PIN)
121 
122 #define GLCD_A0_LOW() cbi(CONTROLLER_A0_PORT,CONTROLLER_A0_PIN)
123 #define GLCD_A0_HIGH() sbi(CONTROLLER_A0_PORT,CONTROLLER_A0_PIN)
124 
127 #endif
128 
129 #endif /* GLCD_PINOUTS_AVR8_H_ */