| 1 | /*
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| 2 | Copyright (c) 2014 Arduino. All right reserved.
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| 3 |
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| 4 | This library is free software; you can redistribute it and/or
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| 5 | modify it under the terms of the GNU Lesser General Public
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| 6 | License as published by the Free Software Foundation; either
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| 7 | version 2.1 of the License, or (at your option) any later version.
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| 8 |
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| 9 | This library is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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| 12 | See the GNU Lesser General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Lesser General Public
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| 15 | License along with this library; if not, write to the Free Software
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| 16 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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| 17 | */
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| 18 |
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| 19 | #ifndef _VARIANT_ARDUINO_ZERO_
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| 20 | #define _VARIANT_ARDUINO_ZERO_
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| 21 |
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| 22 | /*----------------------------------------------------------------------------
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| 23 | * Definitions
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| 24 | *----------------------------------------------------------------------------*/
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| 25 |
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| 26 | /** Frequency of the board main oscillator */
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| 27 | #define VARIANT_MAINOSC (32768ul)
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| 28 |
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| 29 | /** Master clock frequency */
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| 30 | #define VARIANT_MCK (48000000ul)
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| 31 |
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| 32 | /*----------------------------------------------------------------------------
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| 33 | * Headers
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| 34 | *----------------------------------------------------------------------------*/
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| 35 |
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| 36 | #include "WVariant.h"
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| 37 |
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| 38 | #ifdef __cplusplus
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| 39 | #include "SERCOM.h"
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| 40 | #include "Uart.h"
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| 41 | #endif // __cplusplus
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| 42 |
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| 43 | #ifdef __cplusplus
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| 44 | extern "C"{
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| 45 | #endif // __cplusplus
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| 46 |
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| 47 | /**
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| 48 | * Libc porting layers
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| 49 | */
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| 50 | #if defined ( __GNUC__ )
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| 51 | # include <syscalls.h> /** RedHat Newlib minimal stub */
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| 52 | #endif
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| 53 |
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| 54 | /*----------------------------------------------------------------------------
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| 55 | * Pins
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| 56 | *----------------------------------------------------------------------------*/
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| 57 |
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| 58 | // Number of pins defined in PinDescription array
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| 59 | #define PINS_COUNT (34u)
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| 60 | #define NUM_DIGITAL_PINS (19u)
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| 61 | #define NUM_ANALOG_INPUTS (5u)
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| 62 | #define NUM_ANALOG_OUTPUTS (1u)
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| 63 |
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| 64 | #define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) )
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| 65 | #define digitalPinToBitMask(P) ( 1 << g_APinDescription[P].ulPin )
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| 66 | #define digitalPinToTimer(P) ( )
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| 67 | //#define analogInPinToBit(P) ( )
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| 68 | #define portOutputRegister(port) ( &(port->OUT.reg) )
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| 69 | #define portInputRegister(port) ( &(port->IN.reg) )
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| 70 | //#define portModeRegister(P) ( )
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| 71 | #define digitalPinHasPWM(P) ( g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER )
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| 72 |
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| 73 | // Interrupts
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| 74 | #define digitalPinToInterrupt(P) ( g_APinDescription[P].ulExtInt )
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| 75 |
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| 76 | // LEDs
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| 77 | #define PIN_LED_13 (13u)
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| 78 | #define PIN_LED_RXL (30u)
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| 79 | #define PIN_LED_TXL (31u)
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| 80 | #define PIN_LED PIN_LED_13
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| 81 | #define PIN_LED2 PIN_LED_RXL
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| 82 | #define PIN_LED3 PIN_LED_TXL
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| 83 | #define LED_BUILTIN PIN_LED_13
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| 84 |
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| 85 | /*
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| 86 | * SPI Interfaces
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| 87 | */
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| 88 | #define SPI_INTERFACES_COUNT 1
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| 89 | /*
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| 90 | #define SPI_INTERFACE SPI0
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| 91 | #define SPI_INTERFACE_ID ID_SPI0
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| 92 | #define SPI_CHANNELS_NUM 4
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| 93 | #define PIN_SPI_SS0 (77u)
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| 94 | #define PIN_SPI_SS1 (87u)
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| 95 | #define PIN_SPI_SS2 (86u)
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| 96 | #define PIN_SPI_SS3 (78u)
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| 97 | */
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| 98 | #define PIN_SPI_MOSI (21u)
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| 99 | #define PIN_SPI_MISO (18u)
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| 100 | #define PIN_SPI_SCK (20u)
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| 101 |
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| 102 | /*
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| 103 | #define BOARD_SPI_SS0 (10u)
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| 104 | #define BOARD_SPI_SS1 (4u)
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| 105 | #define BOARD_SPI_SS2 (52u)
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| 106 | #define BOARD_SPI_SS3 PIN_SPI_SS3
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| 107 |
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| 108 | #define BOARD_SPI_DEFAULT_SS BOARD_SPI_SS3
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| 109 |
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| 110 | #define BOARD_PIN_TO_SPI_PIN(x) \
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| 111 | (x==BOARD_SPI_SS0 ? PIN_SPI_SS0 : \
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| 112 | (x==BOARD_SPI_SS1 ? PIN_SPI_SS1 : \
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| 113 | (x==BOARD_SPI_SS2 ? PIN_SPI_SS2 : PIN_SPI_SS3 )))
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| 114 | #define BOARD_PIN_TO_SPI_CHANNEL(x) \
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| 115 | (x==BOARD_SPI_SS0 ? 0 : \
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| 116 | (x==BOARD_SPI_SS1 ? 1 : \
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| 117 | (x==BOARD_SPI_SS2 ? 2 : 3)))
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| 118 |
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| 119 | static const uint8_t SS1 = BOARD_SPI_SS1;
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| 120 | static const uint8_t SS2 = BOARD_SPI_SS2;
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| 121 | static const uint8_t SS3 = BOARD_SPI_SS3;*/
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| 122 | static const uint8_t SS = 14; //GND
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| 123 | static const uint8_t MOSI = PIN_SPI_MOSI;
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| 124 | static const uint8_t MISO = PIN_SPI_MISO;
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| 125 | static const uint8_t SCK = PIN_SPI_SCK;
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| 126 |
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| 127 |
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| 128 | /*
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| 129 | * Wire Interfaces
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| 130 | */
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| 131 | #define WIRE_INTERFACES_COUNT 1
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| 132 |
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| 133 | #define PIN_WIRE_SDA (16u)
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| 134 | #define PIN_WIRE_SCL (17u)
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| 135 | /*
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| 136 | #define WIRE_INTERFACE TWI1
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| 137 | #define WIRE_INTERFACE_ID ID_TWI1
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| 138 | #define WIRE_ISR_HANDLER TWI1_Handler
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| 139 | #define WIRE_ISR_ID TWI1_IRQn
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| 140 | */
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| 141 |
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| 142 | /*
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| 143 | * UART/USART Interfaces
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| 144 | */
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| 145 | // Serial
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| 146 | //#define PINS_UART (81u)
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| 147 |
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| 148 | /*
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| 149 | * USB Interfaces
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| 150 | */
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| 151 | //#define PINS_USB (85u)
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| 152 |
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| 153 | /*
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| 154 | * Analog pins
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| 155 | */
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| 156 | static const uint8_t A0 = 24 ;
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| 157 | static const uint8_t A1 = 25 ;
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| 158 | static const uint8_t A2 = 26 ;
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| 159 | static const uint8_t A3 = 27 ;
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| 160 | static const uint8_t A4 = 28 ;
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| 161 | static const uint8_t A5 = 29 ;
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| 162 | #define ADC_RESOLUTION 12
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| 163 |
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| 164 | /*
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| 165 | * DAC
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| 166 | */
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| 167 | /*
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| 168 | #define DACC_INTERFACE DACC
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| 169 | #define DACC_INTERFACE_ID ID_DACC
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| 170 | #define DACC_RESOLUTION 12
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| 171 | #define DACC_ISR_HANDLER DACC_Handler
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| 172 | #define DACC_ISR_ID DACC_IRQn
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| 173 | */
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| 174 |
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| 175 | /*
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| 176 | * PWM
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| 177 | */
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| 178 | /*
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| 179 | #define PWM_INTERFACE PWM
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| 180 | #define PWM_INTERFACE_ID ID_PWM
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| 181 | #define PWM_FREQUENCY 1000
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| 182 | #define PWM_MAX_DUTY_CYCLE 255
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| 183 | #define PWM_MIN_DUTY_CYCLE 0
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| 184 | #define PWM_RESOLUTION 8
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| 185 | */
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| 186 |
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| 187 | /*
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| 188 | * TC
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| 189 | */
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| 190 | /*
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| 191 | #define TC_INTERFACE TC0
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| 192 | #define TC_INTERFACE_ID ID_TC0
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| 193 | #define TC_FREQUENCY 1000
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| 194 | #define TC_MAX_DUTY_CYCLE 255
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| 195 | #define TC_MIN_DUTY_CYCLE 0
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| 196 | #define TC_RESOLUTION 8
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| 197 | */
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| 198 |
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| 199 | #ifdef __cplusplus
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| 200 | }
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| 201 | #endif
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| 202 |
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| 203 | /*----------------------------------------------------------------------------
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| 204 | * Arduino objects - C++ only
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| 205 | *----------------------------------------------------------------------------*/
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| 206 |
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| 207 | #ifdef __cplusplus
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| 208 |
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| 209 | /* =========================
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| 210 | * ===== SERCOM DEFINITION
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| 211 | * =========================
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| 212 | */
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| 213 | extern SERCOM sercom0;
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| 214 | extern SERCOM sercom1;
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| 215 | extern SERCOM sercom2;
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| 216 | extern SERCOM sercom3;
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| 217 | extern SERCOM sercom4;
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| 218 | extern SERCOM sercom5;
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| 219 |
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| 220 | extern Uart Serial;
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| 221 | extern Uart Serial5;
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| 222 |
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| 223 | #endif
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| 224 |
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| 225 | // These serial port names are intended to allow libraries and architecture-neutral
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| 226 | // sketches to automatically default to the correct port name for a particular type
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| 227 | // of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
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| 228 | // the first hardware serial port whose RX/TX pins are not dedicated to another use.
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| 229 | //
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| 230 | // SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
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| 231 | //
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| 232 | // SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
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| 233 | //
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| 234 | // SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
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| 235 | //
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| 236 | // SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
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| 237 | //
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| 238 | // SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
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| 239 | // pins are NOT connected to anything by default.
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| 240 | #define SERIAL_PORT_MONITOR Serial
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| 241 | #define SERIAL_PORT_USBVIRTUAL SerialUSB
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| 242 | #define SERIAL_PORT_HARDWARE_OPEN Serial1
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| 243 | #define SERIAL_PORT_HARDWARE_OPEN1 Serial2
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| 244 | #define SERIAL_PORT_HARDWARE_OPEN2 Serial3
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| 245 | #define SERIAL_PORT_HARDWARE Serial
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| 246 | #define SERIAL_PORT_HARDWARE1 Serial1
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| 247 | #define SERIAL_PORT_HARDWARE2 Serial2
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| 248 | #define SERIAL_PORT_HARDWARE3 Serial3
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| 249 |
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| 250 | #endif /* _VARIANT_ARDUINO_ZERO_ */
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| 251 |
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