From de0ab3927e8e43fa7fe4bb07d08045d411ac0a7a Mon Sep 17 00:00:00 2001
From: Thibaut VIARD <thibaut.viard@atmel.com>
Date: Wed, 30 Apr 2014 11:20:57 +0200
Subject: [PATCH] Adding Zero variant
---
variants/arduino_zero/variant.cpp | 205 +++++++++++++++++++++---------
variants/arduino_zero/variant.h | 48 ++++---
2 files changed, 167 insertions(+), 86 deletions(-)
diff --git a/variants/arduino_zero/variant.cpp b/variants/arduino_zero/variant.cpp
index 4cca3866..61b556a3 100644
--- a/variants/arduino_zero/variant.cpp
+++ b/variants/arduino_zero/variant.cpp
@@ -1,63 +1,148 @@
+/*
+ Copyright (c) 2014 Arduino. All right reserved.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
/*
*
- * ZERO Board pin | PIN | Label/Name
- * ------------------+--------+-----------------
- * Analog Connector | |
- * ------------------+--------+-----------------
- * 1 | PA02 | A0
- * 2 | PB08 | A1
- * 3 | PB09 | A2
- * 4 | PA04 | A3
- * 5 | PA05 | A4
- * 6 | PB02 | A5
- * ------------------+--------+-----------------
- * Digital Low | |
- * ------------------+--------+-----------------
- * 1 | PA10 | 0 -> RX
- * 2 | PA11 | 1 <- TX
- * 3 | PA08 | ~2
- * 4 | PA09 | ~3
- * 5 | PA14 | ~4
- * 6 | PA15 | ~5
- * 7 | PA20 | ~6
- * 8 | PA21 | ~7
- * ------------------+--------+-----------------
- * Digital High | |
- * ------------------+--------+-----------------
- * 1 | PA06 | ~8
- * 2 | PA07 | ~9
- * 3 | PA18 | ~10
- * 4 | PA16 | ~11
- * 5 | PA19 | ~12
- * 6 | PA17 | ~13
- * 7 | | GND
- * 8 | PA03 | AREF
- * 9 | PA22 | SDA
- * 10 | PA23 | SCL
- * ------------------+--------+-----------------
- * SPI (Legacy ICSP) | |
- * ------------------+--------+-----------------
- * 1 | PA12 | MISO
- * 2 | | 5V0
- * 3 | PB11 | SCK
- * 4 | PB10 | MOSI
- * 5 | | RESET
- * 6 | | GND
- * ------------------+--------+-----------------
- * LEDs | |
- * ------------------+--------+-----------------
- * | PB03 | RX
- * | PA27 | TX
- * ------------------+--------+-----------------
- * USB | |
- * ------------------+--------+-----------------
- * | PA28 | USB HOST ENABLE
- * | PA24 | USB_NEGATIVE
- * | PA25 | USB_POSITIVE
- * ------------------+--------+-----------------
- * 32.768KHz Crystal | |
- * ------------------+--------+-----------------
- * | PA00 | XIN32
- * | PA01 | XOUT32
- *
+ * + Pin number + ZERO Board pin | PIN | Label/Name | Comments (* is for default peripheral in use)
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | | Digital Low | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | 0 | 0 -> RX | PA10 | | EIC/EXTINT[10] ADC/AIN[18] *SERCOM0/PAD[2] TCC1/WO[0] TCC0/WO[2]
+ * | 1 | 1 <- TX | PA11 | | EIC/EXTINT[11] ADC/AIN[19] *SERCOM0/PAD[3] SERCOM2/PAD[3] TCC1/WO[1] TCC0/WO[3]
+ * | 2 | ~2 | PA08 | | EIC/NMI ADC/AIN[16] SERCOM0/PAD[0] SERCOM2/PAD[0] *TCC0/WO[0] TCC1/WO[2]
+ * | 3 | ~3 | PA09 | | EIC/EXTINT[9] ADC/AIN[17] SERCOM0/PAD[1] SERCOM2/PAD[1] *TCC0/WO[1] TCC1/WO[3]
+ * | 4 | ~4 | PA14 | | EIC/EXTINT[14] SERCOM2/PAD[2] SERCOM4/PAD[2] *TC3/WO[0] TCC0/WO[4]
+ * | 5 | ~5 | PA15 | | EIC/EXTINT[15] SERCOM2/PAD[3] SERCOM4/PAD[3] *TC3/WO[1] TCC0/WO[5]
+ * | 6 | ~6 | PA20 | | EIC/EXTINT[4] SERCOM5/PAD[2] SERCOM3/PAD[2] TC7/WO[0] *TCC0/WO[6]
+ * | 7 | ~7 | PA21 | | EIC/EXTINT[5] SERCOM5/PAD[3] SERCOM3/PAD[3] TC7/WO[1] *TCC0/WO[7]
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | | Digital High | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | 8 | ~8 | PA06 | | EIC/EXTINT[6] ADC/AIN[6] AC/AIN[2] SERCOM0/PAD[2] *TCC1/WO[0]
+ * | 9 | ~9 | PA07 | | EIC/EXTINT[7] ADC/AIN[7] AC/AIN[3] SERCOM0/PAD[3] *TCC1/WO[1]
+ * | 10 | ~10 | PA18 | | EIC/EXTINT[2] SERCOM1/PAD[2] SERCOM3/PAD[2] *TC3/WO[0] TCC0/WO[2]
+ * | 11 | ~11 | PA16 | | EIC/EXTINT[0] SERCOM1/PAD[0] SERCOM3/PAD[0] *TCC2/WO[0] TCC0/WO[6]
+ * | 12 | ~12 | PA19 | | EIC/EXTINT[3] SERCOM1/PAD[3] SERCOM3/PAD[3] *TC3/WO[1] TCC0/WO[3]
+ * | 13 | ~13 | PA17 | LED | EIC/EXTINT[1] SERCOM1/PAD[1] SERCOM3/PAD[1] *TCC2/WO[1] TCC0/WO[7]
+ * | 14 | GND | | |
+ * | 15 | AREF | PA03 | | *DAC/VREFP
+ * | 16 | SDA | PA22 | | EIC/EXTINT[6] *SERCOM3/PAD[0] SERCOM5/PAD[0] TC4/WO[0] TCC0/WO[4]
+ * | 17 | SCL | PA23 | | EIC/EXTINT[7] *SERCOM3/PAD[1] SERCOM5/PAD[1] TC4/WO[1] TCC0/WO[5]
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | |SPI (Legacy ICSP) | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | 18 | 1 | PA12 | MISO | EIC/EXTINT[12] SERCOM2/PAD[0] *SERCOM4/PAD[0] TCC2/WO[0] TCC0/WO[6]
+ * | 19 | 2 | | 5V0 |
+ * | 20 | 3 | PB11 | SCK | EIC/EXTINT[11] *SERCOM4/PAD[3] TC5/WO[1] TCC0/WO[5]
+ * | 21 | 4 | PB10 | MOSI | EIC/EXTINT[10] *SERCOM4/PAD[2] TC5/WO[0] TCC0/WO[4]
+ * | 22 | 5 | | RESET |
+ * | 23 | 6 | | GND |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | | Analog Connector | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | 24 | A0 | PA02 | | EIC/EXTINT[2] *DAC/VOUT
+ * | 25 | A1 | PB08 | | EIC/EXTINT[8] *ADC/AIN[2] SERCOM4/PAD[0] TC4/WO[0]
+ * | 26 | A2 | PB09 | | EIC/EXTINT[9] *ADC/AIN[3] SERCOM4/PAD[1] TC4/WO[1]
+ * | 27 | A3 | PA04 | | EIC/EXTINT[4] *ADC/AIN[4] AC/AIN[0] SERCOM0/PAD[0] TCC0/WO[0]
+ * | 28 | A4 | PA05 | | EIC/EXTINT[5] *ADC/AIN[5] AC/AIN[1] SERCOM0/PAD[1] TCC0/WO[1]
+ * | 29 | A5 | PB02 | | EIC/EXTINT[2] *ADC/AIN[10] SERCOM5/PAD[0] TC6/WO[0]
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | | LEDs | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | 30 | | PB03 | RX |
+ * | 31 | | PA27 | TX |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | | USB | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | 32 | | PA28 | USB HOST ENABLE |
+ * | 33 | | PA24 | USB_NEGATIVE | USB/DM
+ * | 34 | | PA25 | USB_POSITIVE | USB/DP
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | |32.768KHz Crystal | | |
+ * +------------+------------------+--------+-----------------+------------------------------
+ * | | | PA00 | XIN32 | EXTINT[0] SERCOM1/PAD[0] TCC2/WO[0]
+ * | | | PA01 | XOUT32 | EXTINT[1] SERCOM1/PAD[1] TCC2/WO[1]
+ * +------------+------------------+--------+-----------------+------------------------------
+ */
+
+/*
+ * Pins descriptions
*/
+extern const PinDescription g_APinDescription[]=
+{
+ // 0 .. 19 - Digital pins
+ // ----------------------
+ // 0/1 - SERCOM/UART (Serial)
+ { PORTA, 10, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // RX: SERCOM0/PAD[2]
+ { PORTA, 11, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TX: SERCOM0/PAD[3]
+
+ // 2..12
+ { PORTA, 8, PIO_TIMER, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC0/WO[0]
+ { PORTA, 9, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC0/WO[1]
+ { PORTA, 14, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TC3/WO[0]
+ { PORTA, 15, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TC3/WO[1]
+ { PORTA, 20, PIO_TIMER_ALT, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC0/WO[6]
+ { PORTA, 21, PIO_TIMER_ALT, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC0/WO[7]
+ { PORTA, 6, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC1/WO[0]
+ { PORTA, 7, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC1/WO[1]
+ { PORTA, 18, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TC3/WO[0]
+ { PORTA, 16, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC2/WO[0]
+ { PORTA, 19, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TC3/WO[1]
+
+ // 13 (LED)
+ { PORTA, 17, PIO_TIMER, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TCC2/WO[1]
+
+ // 14 (GND)
+ { NOT_A_PORT, 0, PIO_NOT_A_PIN, 0, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
+
+ // 15 (AREF)
+ { PORTA, 3, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // DAC/VREFP
+
+ // 16..17 I2C (SDA/SCL)
+ { PORTA, 22, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // SDA: SERCOM3/PAD[0]
+ { PORTA, 23, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // SCL: SERCOM3/PAD[1]
+
+ // 18..23 SPI (ICSP:MISO,SCK,MOSI)
+ { PORTA, 12, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // MISO: SERCOM4/PAD[0]
+ { NOT_A_PORT, 0, PIO_NOT_A_PIN, 0, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // 5V0
+ { PORTB, 11, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // SCK: SERCOM4/PAD[3]
+ { PORTB, 10, PIO_SERCOM, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // MOSI: SERCOM4/PAD[2]
+ { NOT_A_PORT, 0, PIO_NOT_A_PIN, 0, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // RESET
+ { NOT_A_PORT, 0, PIO_NOT_A_PIN, 0, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // GND
+
+ // 24..29 - Analog pins
+ // --------------------
+ // 24 - A0 (DAC output)
+ { PORTA, PORT_PA02B_DAC_VOUT, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, DAC0, A0, NOT_ON_PWM, NOT_ON_TIMER }, // DAC/VOUT
+
+ // 25..29 - A1-A5
+ { PORTB, 8, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC2, A1, NOT_ON_PWM, NOT_ON_TIMER }, // ADC/AIN[2]
+ { PORTB, 9, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC3, A2, NOT_ON_PWM, NOT_ON_TIMER }, // ADC/AIN[3]
+ { PORTA, 4, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC4, A3, NOT_ON_PWM, NOT_ON_TIMER }, // ADC/AIN[4]
+ { PORTA, 5, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC5, A4, NOT_ON_PWM, NOT_ON_TIMER }, // ADC/AIN[5]
+ { PORTA, 2, PIO_ANALOG, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC10, A5, NOT_ON_PWM, NOT_ON_TIMER }, // ADC/AIN[10]
+
+ // 30..31 - RX/TX LEDS (PB03/PA27)
+ { PORTB, 3, PIO_DIGITAL, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // use as pure output
+ { PORTA, 27, PIO_DIGITAL, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // use as pure output
+
+ // 32..33 - USB
+ { PORTA, 28, PIO_COM, PIO_DEFAULT, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // USB/SOF
+ { PORTA, 24, PIO_COM, PIO_DEFAULT, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // USB/DM
+ { PORTA, 25, PIO_COM, PIO_DEFAULT, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // USB/DP
+} ;
diff --git a/variants/arduino_zero/variant.h b/variants/arduino_zero/variant.h
index fabc6aad..54c6d18b 100644
--- a/variants/arduino_zero/variant.h
+++ b/variants/arduino_zero/variant.h
@@ -54,17 +54,17 @@ extern "C"{
*----------------------------------------------------------------------------*/
// Number of pins defined in PinDescription array
-#define PINS_COUNT (25u)
+#define PINS_COUNT (34u)
#define NUM_DIGITAL_PINS (19u)
#define NUM_ANALOG_INPUTS (5u)
#define NUM_ANALOG_OUTPUTS (1u)
-#define digitalPinToPort(P) ( g_APinDescription[P].pPort )
-#define digitalPinToBitMask(P) ( g_APinDescription[P].ulPin )
+#define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) )
+#define digitalPinToBitMask(P) ( 1 << g_APinDescription[P].ulPin )
#define digitalPinToTimer(P) ( )
//#define analogInPinToBit(P) ( )
-#define portOutputRegister(port) ( &(port->PIO_ODSR) )
-#define portInputRegister(port) ( &(port->PIO_PDSR) )
+#define portOutputRegister(port) ( &(port->OUT) )
+#define portInputRegister(port) ( &(port->IN) )
//#define portModeRegister(P) ( )
#define digitalPinHasPWM(P) ( g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER )
@@ -73,8 +73,8 @@ extern "C"{
// LEDs
#define PIN_LED_13 (13u)
-#define PIN_LED_RXL (72u)
-#define PIN_LED_TXL (73u)
+#define PIN_LED_RXL (30u)
+#define PIN_LED_TXL (31u)
#define PIN_LED PIN_LED_13
#define PIN_LED2 PIN_LED_RXL
#define PIN_LED3 PIN_LED_TXL
@@ -84,7 +84,7 @@ extern "C"{
* SPI Interfaces
*/
#define SPI_INTERFACES_COUNT 1
-
+/*
#define SPI_INTERFACE SPI0
#define SPI_INTERFACE_ID ID_SPI0
#define SPI_CHANNELS_NUM 4
@@ -117,42 +117,32 @@ static const uint8_t SS3 = BOARD_SPI_SS3;
static const uint8_t MOSI = PIN_SPI_MOSI;
static const uint8_t MISO = PIN_SPI_MISO;
static const uint8_t SCK = PIN_SPI_SCK;
+*/
/*
* Wire Interfaces
*/
-#define WIRE_INTERFACES_COUNT 2
+#define WIRE_INTERFACES_COUNT 1
-#define PIN_WIRE_SDA (20u)
-#define PIN_WIRE_SCL (21u)
+#define PIN_WIRE_SDA (16u)
+#define PIN_WIRE_SCL (17u)
+/*
#define WIRE_INTERFACE TWI1
#define WIRE_INTERFACE_ID ID_TWI1
#define WIRE_ISR_HANDLER TWI1_Handler
#define WIRE_ISR_ID TWI1_IRQn
-
-#define PIN_WIRE1_SDA (70u)
-#define PIN_WIRE1_SCL (71u)
-#define WIRE1_INTERFACE TWI0
-#define WIRE1_INTERFACE_ID ID_TWI0
-#define WIRE1_ISR_HANDLER TWI0_Handler
-#define WIRE1_ISR_ID TWI0_IRQn
+*/
/*
* UART/USART Interfaces
*/
// Serial
-#define PINS_UART (81u)
-// Serial1
-#define PINS_USART0 (82u)
-// Serial2
-#define PINS_USART1 (83u)
-// Serial3
-#define PINS_USART3 (84u)
+//#define PINS_UART (81u)
/*
* USB Interfaces
*/
-#define PINS_USB (85u)
+//#define PINS_USB (85u)
/*
* Analog pins
@@ -168,31 +158,37 @@ static const uint8_t A5 = 25 ;
/*
* DAC
*/
+/*
#define DACC_INTERFACE DACC
#define DACC_INTERFACE_ID ID_DACC
#define DACC_RESOLUTION 12
#define DACC_ISR_HANDLER DACC_Handler
#define DACC_ISR_ID DACC_IRQn
+*/
/*
* PWM
*/
+/*
#define PWM_INTERFACE PWM
#define PWM_INTERFACE_ID ID_PWM
#define PWM_FREQUENCY 1000
#define PWM_MAX_DUTY_CYCLE 255
#define PWM_MIN_DUTY_CYCLE 0
#define PWM_RESOLUTION 8
+*/
/*
* TC
*/
+/*
#define TC_INTERFACE TC0
#define TC_INTERFACE_ID ID_TC0
#define TC_FREQUENCY 1000
#define TC_MAX_DUTY_CYCLE 255
#define TC_MIN_DUTY_CYCLE 0
#define TC_RESOLUTION 8
+*/
#ifdef __cplusplus
}
--
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