root / arduino-1.0 / hardware / arduino / variants / leonardo / pins_arduino.h @ 58d82c77
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1 | 58d82c77 | Tom Mullins | /*
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2 | pins_arduino.h - Pin definition functions for Arduino
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3 | Part of Arduino - http://www.arduino.cc/
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4 | |||
5 | Copyright (c) 2007 David A. Mellis
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6 | |||
7 | This library is free software; you can redistribute it and/or
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8 | modify it under the terms of the GNU Lesser General Public
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9 | License as published by the Free Software Foundation; either
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10 | version 2.1 of the License, or (at your option) any later version.
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11 | |||
12 | This library is distributed in the hope that it will be useful,
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 | Lesser General Public License for more details.
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16 | |||
17 | You should have received a copy of the GNU Lesser General
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18 | Public License along with this library; if not, write to the
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19 | Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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20 | Boston, MA 02111-1307 USA
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21 | |||
22 | $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
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23 | */
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24 | |||
25 | #ifndef Pins_Arduino_h
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26 | #define Pins_Arduino_h
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27 | |||
28 | #include <avr/pgmspace.h> |
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29 | |||
30 | #define ARDUINO_MODEL_USB_PID 0x0034 |
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31 | |||
32 | #define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0) |
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33 | #define TXLED0 PORTD |= (1<<5) |
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34 | #define TXLED1 PORTD &= ~(1<<5) |
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35 | #define RXLED0 PORTB |= (1<<0) |
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36 | #define RXLED1 PORTB &= ~(1<<0) |
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37 | |||
38 | const static uint8_t SDA = 2; |
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39 | const static uint8_t SCL = 3; |
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40 | |||
41 | // Map SPI port to 'new' pins D14..D17
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42 | const static uint8_t SS = 17; |
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43 | const static uint8_t MOSI = 16; |
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44 | const static uint8_t MISO = 14; |
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45 | const static uint8_t SCK = 15; |
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46 | |||
47 | // Mapping of analog pins as digital I/O
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48 | // A6-A11 share with digital pins
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49 | const static uint8_t A0 = 18; |
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50 | const static uint8_t A1 = 19; |
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51 | const static uint8_t A2 = 20; |
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52 | const static uint8_t A3 = 21; |
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53 | const static uint8_t A4 = 22; |
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54 | const static uint8_t A5 = 23; |
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55 | const static uint8_t A6 = 24; // D4 |
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56 | const static uint8_t A7 = 25; // D6 |
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57 | const static uint8_t A8 = 26; // D8 |
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58 | const static uint8_t A9 = 27; // D9 |
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59 | const static uint8_t A10 = 28; // D10 |
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60 | const static uint8_t A11 = 29; // D12 |
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61 | |||
62 | // __AVR_ATmega32U4__ has an unusual mapping of pins to channels
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63 | extern const uint8_t PROGMEM analog_pin_to_channel_PGM[]; |
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64 | #define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
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65 | |||
66 | #ifdef ARDUINO_MAIN
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67 | |||
68 | // On the Arduino board, digital pins are also used
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69 | // for the analog output (software PWM). Analog input
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70 | // pins are a separate set.
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71 | |||
72 | // ATMEL ATMEGA32U4 / ARDUINO LEONARDO
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73 | //
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74 | // D0 PD2 RXD1/INT2
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75 | // D1 PD3 TXD1/INT3
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76 | // D2 PD1 SDA SDA/INT1
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77 | // D3# PD0 PWM8/SCL OC0B/SCL/INT0
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78 | // D4 A6 PD4 ADC8
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79 | // D5# PC6 ??? OC3A/#OC4A
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80 | // D6# A7 PD7 FastPWM #OC4D/ADC10
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81 | // D7 PE6 INT6/AIN0
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82 | //
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83 | // D8 A8 PB4 ADC11/PCINT4
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84 | // D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5
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85 | // D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6
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86 | // D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7
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87 | // D12 A11 PD6 T1/#OC4D/ADC9
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88 | // D13# PC7 PWM10 CLK0/OC4A
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89 | //
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90 | // A0 D18 PF7 ADC7
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91 | // A1 D19 PF6 ADC6
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92 | // A2 D20 PF5 ADC5
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93 | // A3 D21 PF4 ADC4
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94 | // A4 D22 PF1 ADC1
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95 | // A5 D23 PF0 ADC0
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96 | //
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97 | // New pins D14..D17 to map SPI port to digital pins
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98 | //
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99 | // MISO D14 PB3 MISO,PCINT3
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100 | // SCK D15 PB1 SCK,PCINT1
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101 | // MOSI D16 PB2 MOSI,PCINT2
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102 | // SS D17 PB0 RXLED,SS/PCINT0
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103 | //
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104 | // TXLED PD5
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105 | // RXLED PB0
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106 | // HWB PE2 HWB
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107 | |||
108 | // these arrays map port names (e.g. port B) to the
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109 | // appropriate addresses for various functions (e.g. reading
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110 | // and writing)
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111 | const uint16_t PROGMEM port_to_mode_PGM[] = {
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112 | NOT_A_PORT, |
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113 | NOT_A_PORT, |
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114 | (uint16_t) &DDRB, |
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115 | (uint16_t) &DDRC, |
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116 | (uint16_t) &DDRD, |
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117 | (uint16_t) &DDRE, |
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118 | (uint16_t) &DDRF, |
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119 | }; |
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120 | |||
121 | const uint16_t PROGMEM port_to_output_PGM[] = {
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122 | NOT_A_PORT, |
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123 | NOT_A_PORT, |
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124 | (uint16_t) &PORTB, |
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125 | (uint16_t) &PORTC, |
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126 | (uint16_t) &PORTD, |
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127 | (uint16_t) &PORTE, |
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128 | (uint16_t) &PORTF, |
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129 | }; |
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130 | |||
131 | const uint16_t PROGMEM port_to_input_PGM[] = {
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132 | NOT_A_PORT, |
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133 | NOT_A_PORT, |
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134 | (uint16_t) &PINB, |
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135 | (uint16_t) &PINC, |
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136 | (uint16_t) &PIND, |
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137 | (uint16_t) &PINE, |
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138 | (uint16_t) &PINF, |
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139 | }; |
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140 | |||
141 | const uint8_t PROGMEM digital_pin_to_port_PGM[30] = { |
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142 | PD, // D0 - PD2
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143 | PD, // D1 - PD3
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144 | PD, // D2 - PD1
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145 | PD, // D3 - PD0
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146 | PD, // D4 - PD4
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147 | PC, // D5 - PC6
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148 | PD, // D6 - PD7
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149 | PE, // D7 - PE6
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150 | |||
151 | PB, // D8 - PB4
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152 | PB, // D9 - PB5
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153 | PB, // D10 - PB6
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154 | PB, // D11 - PB7
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155 | PD, // D12 - PD6
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156 | PC, // D13 - PC7
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157 | |||
158 | PB, // D14 - MISO - PB3
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159 | PB, // D15 - SCK - PB1
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160 | PB, // D16 - MOSI - PB2
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161 | PB, // D17 - SS - PB0
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162 | |||
163 | PF, // D18 - A0 - PF7
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164 | PF, // D19 - A1 - PF6
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165 | PF, // D20 - A2 - PF5
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166 | PF, // D21 - A3 - PF4
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167 | PF, // D22 - A4 - PF1
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168 | PF, // D23 - A5 - PF0
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169 | |||
170 | PD, // D24 / D4 - A6 - PD4
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171 | PD, // D25 / D6 - A7 - PD7
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172 | PB, // D26 / D8 - A8 - PB4
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173 | PB, // D27 / D9 - A9 - PB5
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174 | PB, // D28 / D10 - A10 - PB6
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175 | PD, // D29 / D12 - A11 - PD6
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176 | }; |
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177 | |||
178 | const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[30] = { |
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179 | _BV(2), // D0 - PD2 |
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180 | _BV(3), // D1 - PD3 |
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181 | _BV(1), // D2 - PD1 |
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182 | _BV(0), // D3 - PD0 |
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183 | _BV(4), // D4 - PD4 |
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184 | _BV(6), // D5 - PC6 |
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185 | _BV(7), // D6 - PD7 |
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186 | _BV(6), // D7 - PE6 |
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187 | |||
188 | _BV(4), // D8 - PB4 |
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189 | _BV(5), // D9 - PB5 |
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190 | _BV(6), // D10 - PB6 |
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191 | _BV(7), // D11 - PB7 |
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192 | _BV(6), // D12 - PD6 |
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193 | _BV(7), // D13 - PC7 |
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194 | |||
195 | _BV(3), // D14 - MISO - PB3 |
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196 | _BV(1), // D15 - SCK - PB1 |
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197 | _BV(2), // D16 - MOSI - PB2 |
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198 | _BV(0), // D17 - SS - PB0 |
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199 | |||
200 | _BV(7), // D18 - A0 - PF7 |
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201 | _BV(6), // D19 - A1 - PF6 |
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202 | _BV(5), // D20 - A2 - PF5 |
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203 | _BV(4), // D21 - A3 - PF4 |
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204 | _BV(1), // D22 - A4 - PF1 |
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205 | _BV(0), // D23 - A5 - PF0 |
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206 | |||
207 | _BV(4), // D24 / D4 - A6 - PD4 |
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208 | _BV(7), // D25 / D6 - A7 - PD7 |
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209 | _BV(4), // D26 / D8 - A8 - PB4 |
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210 | _BV(5), // D27 / D9 - A9 - PB5 |
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211 | _BV(6), // D28 / D10 - A10 - PB6 |
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212 | _BV(6), // D29 / D12 - A11 - PD6 |
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213 | }; |
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214 | |||
215 | const uint8_t PROGMEM digital_pin_to_timer_PGM[18] = { |
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216 | NOT_ON_TIMER, |
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217 | NOT_ON_TIMER, |
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218 | NOT_ON_TIMER, |
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219 | TIMER0B, /* 3 */
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220 | NOT_ON_TIMER, |
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221 | TIMER3A, /* 5 */
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222 | TIMER4D, /* 6 */
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223 | NOT_ON_TIMER, |
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224 | |||
225 | NOT_ON_TIMER, |
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226 | TIMER1A, /* 9 */
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227 | TIMER1B, /* 10 */
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228 | TIMER0A, /* 11 */
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229 | |||
230 | NOT_ON_TIMER, |
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231 | TIMER4A, /* 13 */
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232 | |||
233 | NOT_ON_TIMER, |
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234 | NOT_ON_TIMER, |
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235 | }; |
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236 | |||
237 | const uint8_t PROGMEM analog_pin_to_channel_PGM[12] = { |
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238 | 7, // A0 PF7 ADC7 |
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239 | 6, // A1 PF6 ADC6 |
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240 | 5, // A2 PF5 ADC5 |
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241 | 4, // A3 PF4 ADC4 |
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242 | 1, // A4 PF1 ADC1 |
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243 | 0, // A5 PF0 ADC0 |
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244 | 8, // A6 D4 PD4 ADC8 |
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245 | 10, // A7 D6 PD7 ADC10 |
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246 | 11, // A8 D8 PB4 ADC11 |
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247 | 12, // A9 D9 PB5 ADC12 |
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248 | 13, // A10 D10 PB6 ADC13 |
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249 | 9 // A11 D12 PD6 ADC9 |
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250 | }; |
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251 | |||
252 | #endif /* ARDUINO_MAIN */ |
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253 | #endif /* Pins_Arduino_h */ |