From f1cd16a4a066dc88fff2ffb3f22849d4bea1444c Mon Sep 17 00:00:00 2001 From: freaklabs Date: Fri, 24 Jun 2016 17:52:18 +0900 Subject: [PATCH] - Added Atmel SAMR21 Xplained board to boards.txt and variants folder - Had to rename "Serial" variable in USB files to "SerialUSB" to prevent naming collision. This was variable name in Arduino SAMD core v1.6.2 --- boards.txt | 28 +++ cores/arduino/USB/CDC.cpp | 2 +- cores/arduino/USB/USBAPI.h | 2 +- cores/arduino/USB/USBCore.cpp | 2 +- .../debug_scripts/variant.gdb | 31 +++ .../gcc/flash_with_bootloader.ld | 211 ++++++++++++++++ .../gcc/flash_without_bootloader.ld | 212 ++++++++++++++++ .../openocd_scripts/arduino_zero.cfg | 30 +++ variants/xplained_samr21g18a/pins_arduino.h | 21 ++ variants/xplained_samr21g18a/variant.cpp | 238 ++++++++++++++++++ variants/xplained_samr21g18a/variant.h | 214 ++++++++++++++++ 11 files changed, 988 insertions(+), 3 deletions(-) create mode 100644 variants/xplained_samr21g18a/debug_scripts/variant.gdb create mode 100644 variants/xplained_samr21g18a/linker_scripts/gcc/flash_with_bootloader.ld create mode 100644 variants/xplained_samr21g18a/linker_scripts/gcc/flash_without_bootloader.ld create mode 100644 variants/xplained_samr21g18a/openocd_scripts/arduino_zero.cfg create mode 100644 variants/xplained_samr21g18a/pins_arduino.h create mode 100644 variants/xplained_samr21g18a/variant.cpp create mode 100644 variants/xplained_samr21g18a/variant.h diff --git a/boards.txt b/boards.txt index 950f69edc..728b0287d 100644 --- a/boards.txt +++ b/boards.txt @@ -95,3 +95,31 @@ adafruit_feather_m0.bootloader.file=feather/samd21_sam_ba.bin #adafruit_metro_m0.build.pid=0x8013 #adafruit_metro_m0.bootloader.tool=openocd #adafruit_metro_m0.bootloader.file=metro/samd21_sam_ba.bin + +# Atmel Xplained SAMR21G18A (Progamming Port) +# --------------------------------------- +xplained_samr21g18a_edbg.name=Atmel Xplained SAMR21G18A (Programming Port) +xplained_samr21g18a_edbg.vid.0=0x03eb +xplained_samr21g18a_edbg.pid.0=0x2157 + +xplained_samr21g18a_edbg.upload.tool=openocd +xplained_samr21g18a_edbg.upload.protocol=sam-ba +xplained_samr21g18a_edbg.upload.maximum_size=262144 +xplained_samr21g18a_edbg.upload.use_1200bps_touch=false +xplained_samr21g18a_edbg.upload.wait_for_upload_port=false +xplained_samr21g18a_edbg.upload.native_usb=false +xplained_samr21g18a_edbg.build.mcu=cortex-m0plus +xplained_samr21g18a_edbg.build.f_cpu=48000000L +xplained_samr21g18a_edbg.build.usb_product="Test" +xplained_samr21g18a_edbg.build.usb_manufacturer="Test LLC" +xplained_samr21g18a_edbg.build.board=SAMD_ZERO +xplained_samr21g18a_edbg.build.core=arduino +xplained_samr21g18a_edbg.build.extra_flags=-D__SAMD21G18A__ {build.usb_flags} +xplained_samr21g18a_edbg.build.ldscript=linker_scripts/gcc/flash_with_bootloader.ld +xplained_samr21g18a_edbg.build.openocdscript=openocd_scripts/arduino_zero.cfg +xplained_samr21g18a_edbg.build.variant=xplained_samr21g18a +xplained_samr21g18a_edbg.build.variant_system_lib= +xplained_samr21g18a_edbg.build.vid=0x2341 +xplained_samr21g18a_edbg.build.pid=0x804d +xplained_samr21g18a_edbg.bootloader.tool=openocd +xplained_samr21g18a_edbg.bootloader.file=zero/samd21_sam_ba.bin diff --git a/cores/arduino/USB/CDC.cpp b/cores/arduino/USB/CDC.cpp index b7690627b..5a111dce9 100644 --- a/cores/arduino/USB/CDC.cpp +++ b/cores/arduino/USB/CDC.cpp @@ -345,6 +345,6 @@ bool Serial_::rts() { return _usbLineInfo.lineState & 0x2; } -Serial_ Serial(USBDevice); +Serial_ SerialUSB(USBDevice); #endif diff --git a/cores/arduino/USB/USBAPI.h b/cores/arduino/USB/USBAPI.h index a27a115e9..1de826608 100644 --- a/cores/arduino/USB/USBAPI.h +++ b/cores/arduino/USB/USBAPI.h @@ -170,7 +170,7 @@ class Serial_ : public Stream USBDeviceClass &usb; RingBuffer *_cdc_rx_buffer; }; -extern Serial_ Serial; +extern Serial_ SerialUSB; //================================================================================ //================================================================================ diff --git a/cores/arduino/USB/USBCore.cpp b/cores/arduino/USB/USBCore.cpp index 6b303967c..89d1022a7 100644 --- a/cores/arduino/USB/USBCore.cpp +++ b/cores/arduino/USB/USBCore.cpp @@ -267,7 +267,7 @@ void USBDeviceClass::handleEndpoint(uint8_t ep) // Handle received bytes if (available(CDC_ENDPOINT_OUT)) - Serial.accept(); + SerialUSB.accept(); } if (ep == CDC_ENDPOINT_IN) { diff --git a/variants/xplained_samr21g18a/debug_scripts/variant.gdb b/variants/xplained_samr21g18a/debug_scripts/variant.gdb new file mode 100644 index 000000000..3c37ffde2 --- /dev/null +++ b/variants/xplained_samr21g18a/debug_scripts/variant.gdb @@ -0,0 +1,31 @@ +# +# Arduino Zero OpenOCD script. +# +# Copyright (c) 2014-2015 Arduino LLC. 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 +# + +# Define 'reset' command +define reset + +info reg + +break main + +# End of 'reset' command +end + +target remote | openocd -c "interface cmsis-dap" -c "set CHIPNAME at91samd21g18" -f target/at91samdXX.cfg -c "gdb_port pipe; log_output openocd.log" diff --git a/variants/xplained_samr21g18a/linker_scripts/gcc/flash_with_bootloader.ld b/variants/xplained_samr21g18a/linker_scripts/gcc/flash_with_bootloader.ld new file mode 100644 index 000000000..4475f9511 --- /dev/null +++ b/variants/xplained_samr21g18a/linker_scripts/gcc/flash_with_bootloader.ld @@ -0,0 +1,211 @@ +/* + Copyright (c) 2014-2015 Arduino LLC. 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 +*/ + +/* Linker script to configure memory regions. + * Need modifying for a specific board. + * FLASH.ORIGIN: starting address of flash + * FLASH.LENGTH: length of flash + * RAM.ORIGIN: starting address of RAM bank 0 + * RAM.LENGTH: length of RAM bank 0 + */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00000000+0x2000, LENGTH = 0x00040000-0x2000 /* First 8KB used by bootloader */ + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __copy_table_start__ + * __copy_table_end__ + * __zero_table_start__ + * __zero_table_end__ + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + /* To copy multiple ROM to RAM sections, + * uncomment .copy.table section and, + * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */ + /* + .copy.table : + { + . = ALIGN(4); + __copy_table_start__ = .; + LONG (__etext) + LONG (__data_start__) + LONG (__data_end__ - __data_start__) + LONG (__etext2) + LONG (__data2_start__) + LONG (__data2_end__ - __data2_start__) + __copy_table_end__ = .; + } > FLASH + */ + + /* To clear multiple BSS sections, + * uncomment .zero.table section and, + * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */ + /* + .zero.table : + { + . = ALIGN(4); + __zero_table_start__ = .; + LONG (__bss_start__) + LONG (__bss_end__ - __bss_start__) + LONG (__bss2_start__) + LONG (__bss2_end__ - __bss2_start__) + __zero_table_end__ = .; + } > FLASH + */ + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + PROVIDE(end = .); + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + __ram_end__ = ORIGIN(RAM) + LENGTH(RAM) -1 ; + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/variants/xplained_samr21g18a/linker_scripts/gcc/flash_without_bootloader.ld b/variants/xplained_samr21g18a/linker_scripts/gcc/flash_without_bootloader.ld new file mode 100644 index 000000000..0162f0774 --- /dev/null +++ b/variants/xplained_samr21g18a/linker_scripts/gcc/flash_without_bootloader.ld @@ -0,0 +1,212 @@ +/* + Copyright (c) 2014-2015 Arduino LLC. 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 +*/ + +/* Linker script to configure memory regions. + * Need modifying for a specific board. + * FLASH.ORIGIN: starting address of flash + * FLASH.LENGTH: length of flash + * RAM.ORIGIN: starting address of RAM bank 0 + * RAM.LENGTH: length of RAM bank 0 + */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x00040000 + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00008000 +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __copy_table_start__ + * __copy_table_end__ + * __zero_table_start__ + * __zero_table_end__ + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * __ram_end__ + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + KEEP(*(.isr_vector)) + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + __exidx_end = .; + + /* To copy multiple ROM to RAM sections, + * uncomment .copy.table section and, + * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */ + /* + .copy.table : + { + . = ALIGN(4); + __copy_table_start__ = .; + LONG (__etext) + LONG (__data_start__) + LONG (__data_end__ - __data_start__) + LONG (__etext2) + LONG (__data2_start__) + LONG (__data2_end__ - __data2_start__) + __copy_table_end__ = .; + } > FLASH + */ + + /* To clear multiple BSS sections, + * uncomment .zero.table section and, + * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */ + /* + .zero.table : + { + . = ALIGN(4); + __zero_table_start__ = .; + LONG (__bss_start__) + LONG (__bss_end__ - __bss_start__) + LONG (__bss2_start__) + LONG (__bss2_end__ - __bss2_start__) + __zero_table_end__ = .; + } > FLASH + */ + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + PROVIDE(end = .); + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM) ; + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + __ram_end__ = ORIGIN(RAM) + LENGTH(RAM) -1 ; + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} diff --git a/variants/xplained_samr21g18a/openocd_scripts/arduino_zero.cfg b/variants/xplained_samr21g18a/openocd_scripts/arduino_zero.cfg new file mode 100644 index 000000000..36c65c32d --- /dev/null +++ b/variants/xplained_samr21g18a/openocd_scripts/arduino_zero.cfg @@ -0,0 +1,30 @@ +# +# Arduino Zero OpenOCD script. +# +# Copyright (c) 2014-2015 Arduino LLC. 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 +# + +source [find interface/cmsis-dap.cfg] + +# chip name +set CHIPNAME at91samd21g18 +set ENDIAN little + +# choose a port here +set telnet_port 0 + +source [find target/at91samdXX.cfg] diff --git a/variants/xplained_samr21g18a/pins_arduino.h b/variants/xplained_samr21g18a/pins_arduino.h new file mode 100644 index 000000000..db0e40c3d --- /dev/null +++ b/variants/xplained_samr21g18a/pins_arduino.h @@ -0,0 +1,21 @@ +/* + Copyright (c) 2014-2015 Arduino LLC. 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 +*/ + +// API compatibility +#include "variant.h" + diff --git a/variants/xplained_samr21g18a/variant.cpp b/variants/xplained_samr21g18a/variant.cpp new file mode 100644 index 000000000..173bd8f8a --- /dev/null +++ b/variants/xplained_samr21g18a/variant.cpp @@ -0,0 +1,238 @@ +/* + Copyright (c) 2014-2015 Arduino LLC. 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 +*/ +/* + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * + Pin number + ZERO Board pin | PIN | Label/Name | Comments (* is for default peripheral in use) + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | Digital Low | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 0 | 0 -> RX | PA11 | | EIC/EXTINT[11] ADC/AIN[19] PTC/X[3] *SERCOM0/PAD[3] SERCOM2/PAD[3] TCC0/WO[3] TCC1/WO[1] + * | 1 | 1 <- TX | PA10 | | EIC/EXTINT[10] ADC/AIN[18] PTC/X[2] *SERCOM0/PAD[2] TCC0/WO[2] TCC1/WO[0] + * | 2 | 2 | PA14 | | EIC/EXTINT[14] SERCOM2/PAD[2] SERCOM4/PAD[2] TC3/WO[0] TCC0/WO[4] + * | 3 | ~3 | PA09 | | EIC/EXTINT[9] ADC/AIN[17] PTC/X[1] SERCOM0/PAD[1] SERCOM2/PAD[1] *TCC0/WO[1] TCC1/WO[3] + * | 4 | ~4 | PA08 | | EIC/NMI ADC/AIN[16] PTC/X[0] SERCOM0/PAD[0] SERCOM2/PAD[0] *TCC0/WO[0] TCC1/WO[2] + * | 5 | ~5 | PA15 | | EIC/EXTINT[15] SERCOM2/PAD[3] SERCOM4/PAD[3] *TC3/WO[1] TCC0/WO[5] + * | 6 | ~6 | PA20 | | EIC/EXTINT[4] PTC/X[8] SERCOM5/PAD[2] SERCOM3/PAD[2] *TCC0/WO[6] + * | 7 | 7 | PA21 | | EIC/EXTINT[5] PTC/X[9] SERCOM5/PAD[3] SERCOM3/PAD[3] TCC0/WO[7] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | Digital High | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 8 | ~8 | PA06 | | EIC/EXTINT[6] ADC/AIN[6] AC/AIN[2] PTC/Y[4] SERCOM0/PAD[2] *TCC1/WO[0] + * | 9 | ~9 | PA07 | | EIC/EXTINT[7] ADC/AIN[7] AC/AIN[3] PTC/Y[5] SERCOM0/PAD[3] *TCC1/WO[1] + * | 10 | ~10 | PA18 | | EIC/EXTINT[2] PTC/X[6] +SERCOM1/PAD[2] SERCOM3/PAD[2] *TC3/WO[0] TCC0/WO[2] + * | 11 | ~11 | PA16 | | EIC/EXTINT[0] PTC/X[4] +SERCOM1/PAD[0] SERCOM3/PAD[0] *TCC2/WO[0] TCC0/WO[6] + * | 12 | ~12 | PA19 | | EIC/EXTINT[3] PTC/X[7] +SERCOM1/PAD[3] SERCOM3/PAD[3] TC3/WO[1] *TCC0/WO[3] + * | 13 | ~13 | PA17 | LED | EIC/EXTINT[1] PTC/X[5] +SERCOM1/PAD[1] SERCOM3/PAD[1] *TCC2/WO[1] TCC0/WO[7] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | Analog Connector | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 14 | A0 | PA02 | A0 | EIC/EXTINT[2] *ADC/AIN[0] DAC/VOUT PTC/Y[0] + * | 15 | A1 | PB08 | A1 | EIC/EXTINT[8] *ADC/AIN[2] PTC/Y[14] SERCOM4/PAD[0] TC4/WO[0] + * | 16 | A2 | PB09 | A2 | EIC/EXTINT[9] *ADC/AIN[3] PTC/Y[15] SERCOM4/PAD[1] TC4/WO[1] + * | 17 | A3 | PA04 | A3 | EIC/EXTINT[4] *ADC/AIN[4] AC/AIN[0] PTC/Y[2] SERCOM0/PAD[0] TCC0/WO[0] + * | 18 | A4 | PA05 | A4 | EIC/EXTINT[5] *ADC/AIN[5] AC/AIN[1] PTC/Y[5] SERCOM0/PAD[1] TCC0/WO[1] + * | 19 | A5 | PB02 | A5 | EIC/EXTINT[2] *ADC/AIN[10] PTC/Y[8] SERCOM5/PAD[0] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | Wire | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 20 | SDA | PA22 | SDA | EIC/EXTINT[6] PTC/X[10] *SERCOM3/PAD[0] SERCOM5/PAD[0] TC4/WO[0] TCC0/WO[4] + * | 21 | SCL | PA23 | SCL | EIC/EXTINT[7] PTC/X[11] *SERCOM3/PAD[1] SERCOM5/PAD[1] TC4/WO[1] TCC0/WO[5] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | |SPI (Legacy ICSP) | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 22 | 1 | PA12 | MISO | EIC/EXTINT[12] SERCOM2/PAD[0] *SERCOM4/PAD[0] TCC2/WO[0] TCC0/WO[6] + * | | 2 | | 5V0 | + * | 23 | 4 | PB10 | MOSI | EIC/EXTINT[10] *SERCOM4/PAD[2] TC5/WO[0] TCC0/WO[4] + * | 24 | 3 | PB11 | SCK | EIC/EXTINT[11] *SERCOM4/PAD[3] TC5/WO[1] TCC0/WO[5] + * | | 5 | | RESET | + * | | 6 | | GND | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | LEDs | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 25 | | PB03 | RX | + * | 26 | | PA27 | TX | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | USB | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 27 | | PA28 | USB_HOST_ENABLE | EIC/EXTINT[8] + * | 28 | | PA24 | USB_NEGATIVE | *USB/DM + * | 29 | | PA25 | USB_POSITIVE | *USB/DP + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | EDBG | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 30 | | PB22 | EDBG_UART TX | *SERCOM5/PAD[2] + * | 31 | | PB23 | EDBG_UART RX | *SERCOM5/PAD[3] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 32 | | PA22 | EDBG_SDA | Pin 20 (SDA) + * | 33 | | PA23 | EDBG_SCL | Pin 21 (SCL) + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 34 | | PA19 | EDBG_MISO | EIC/EXTINT[3] *SERCOM1/PAD[3] SERCOM3/PAD[3] TC3/WO[1] TCC0/WO[3] + * | 35 | | PA16 | EDBG_MOSI | EIC/EXTINT[0] *SERCOM1/PAD[0] SERCOM3/PAD[0] TCC2/WO[0] TCC0/WO[6] + * | 36 | | PA18 | EDBG_SS | EIC/EXTINT[2] *SERCOM1/PAD[2] SERCOM3/PAD[2] TC3/WO[0] TCC0/WO[2] + * | 37 | | PA17 | EDBG_SCK | EIC/EXTINT[1] *SERCOM1/PAD[1] SERCOM3/PAD[1] TCC2/WO[1] TCC0/WO[7] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | 38 | ATN | PA13 | EDBG_GPIO0 | EIC/EXTINT[13] SERCOM2/PAD[1] SERCOM4/PAD[1] *TCC2/WO[1] TCC0/WO[7] + * | 39 | | PA21 | EDBG_GPIO1 | Pin 7 + * | 40 | | PA06 | EDBG_GPIO2 | Pin 8 + * | 41 | | PA07 | EDBG_GPIO3 | Pin 9 + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | GND | | | + * | 42 | AREF | PA03 | | EIC/EXTINT[3] *[ADC|DAC]/VREFA ADC/AIN[1] PTC/Y[1] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | |32.768KHz Crystal | | | + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + * | | | PA00 | XIN32 | EIC/EXTINT[0] SERCOM1/PAD[0] TCC2/WO[0] + * | | | PA01 | XOUT32 | EIC/EXTINT[1] SERCOM1/PAD[1] TCC2/WO[1] + * +------------+------------------+--------+-----------------+-------------------------------------------------------------------------------------------------------- + */ + + +#include "variant.h" + +/* + * Pins descriptions + */ +const PinDescription g_APinDescription[]= +{ + // 0..13 - Digital pins + // ---------------------- + // 0/1 - SERCOM/UART (Serial1) + { PORTA, 11, PIO_SERCOM, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // RX: SERCOM0/PAD[3] + { PORTA, 10, PIO_SERCOM, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // TX: SERCOM0/PAD[2] + + // 2..12 + // Digital Low + { PORTA, 14, PIO_DIGITAL, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_14 }, + { PORTA, 9, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_9 }, // TCC0/WO[1] + { PORTA, 8, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NMI }, // TCC0/WO[0] + { PORTA, 15, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH1, TC3_CH1, EXTERNAL_INT_15 }, // TC3/WO[1] + { PORTA, 20, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH6, TCC0_CH6, EXTERNAL_INT_4 }, // TCC0/WO[6] + { PORTA, 21, PIO_DIGITAL, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, + + // Digital High + { PORTA, 6, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM1_CH0, TCC1_CH0, EXTERNAL_INT_6 }, // TCC1/WO[0] + { PORTA, 7, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM1_CH1, TCC1_CH1, EXTERNAL_INT_7 }, // TCC1/WO[1] + { PORTA, 18, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM3_CH0, TC3_CH0, EXTERNAL_INT_2 }, // TC3/WO[0] + { PORTA, 16, PIO_TIMER, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM2_CH0, TCC2_CH0, EXTERNAL_INT_0 }, // TCC2/WO[0] + { PORTA, 19, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH3, TCC0_CH3, EXTERNAL_INT_3 }, // TCC0/WO[3] + + // 13 (LED) + { PORTA, 17, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM2_CH1, NOT_ON_TIMER, EXTERNAL_INT_1 }, // TCC2/WO[1] + + // 14..19 - Analog pins + // -------------------- + { PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // ADC/AIN[0] + { PORTB, 8, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel2, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 }, // ADC/AIN[2] + { PORTB, 9, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel3, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 }, // ADC/AIN[3] + + +// modified by AKIBA + { PORTB, 00, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_0 }, + { PORTB, 15, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // ADC/AIN[5] + + { PORTB, 2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel10, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // ADC/AIN[10] + + // 20..21 I2C pins (SDA/SCL and also EDBG:SDA/SCL) + // ---------------------- + { PORTA, 22, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // SDA: SERCOM3/PAD[0] + { PORTA, 23, PIO_SERCOM, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_7 }, // SCL: SERCOM3/PAD[1] + + // 22..24 - SPI pins (ICSP:MISO,SCK,MOSI) + // ---------------------- + { PORTC, 19, PIO_TIMER_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_12 }, // MISO: SERCOM4/PAD[0] + { PORTB, 30, PIO_TIMER_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_10 }, // MOSI: SERCOM4/PAD[2] + { PORTC, 18, PIO_TIMER_ALT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_11 }, // SCK: SERCOM4/PAD[3] + + // 25..26 - RX/TX LEDS (PB03/PA27) + // -------------------- + { PORTB, 31, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // used as output only + { PORTA, 27, PIO_OUTPUT, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // used as output only + + // 27..29 - USB + // -------------------- + { PORTA, 28, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB Host enable + { PORTA, 24, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DM + { PORTA, 25, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DP + + + // 30..41 - EDBG + // --------------------- + +// modified by AKIBA + // 30/31 - EDBG/UART + { PORTA, 04, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // TX: SERCOM5/PAD[2] + { PORTA, 05, PIO_SERCOM_ALT, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // RX: SERCOM5/PAD[3] + + // 32/33 I2C (SDA/SCL and also EDBG:SDA/SCL) + { PORTA, 22, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SDA: SERCOM3/PAD[0] + { PORTA, 23, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCL: SERCOM3/PAD[1] + + // 34..37 - EDBG/SPI + { PORTA, 19, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MISO: SERCOM1/PAD[3] + { PORTA, 16, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // MOSI: SERCOM1/PAD[0] + { PORTA, 18, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SS: SERCOM1/PAD[2] + { PORTA, 17, PIO_SERCOM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // SCK: SERCOM1/PAD[1] + + // 38..41 - EDBG/Digital + { PORTA, 13, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH5, NOT_ON_TIMER, EXTERNAL_INT_13 }, // EIC/EXTINT[13] *TCC2/WO[1] TCC0/WO[7] + { PORTA, 21, PIO_PWM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH7, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Pin 7 + { PORTA, 6, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH0, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Pin 8 + { PORTA, 7, PIO_PWM, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH1, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // Pin 9 + + // 42 (AREF) + { PORTA, 3, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // DAC/VREFP + + // ---------------------- + // 43 - Alternate use of A0 (DAC output) + { PORTA, 2, PIO_ANALOG, PIN_ATTR_ANALOG, DAC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // DAC/VOUT +} ; + +const void* g_apTCInstances[TCC_INST_NUM+TC_INST_NUM]={ TCC0, TCC1, TCC2, TC3, TC4, TC5 } ; + +// Multi-serial objects instantiation +SERCOM sercom0( SERCOM0 ) ; +SERCOM sercom1( SERCOM1 ) ; +SERCOM sercom2( SERCOM2 ) ; +SERCOM sercom3( SERCOM3 ) ; +SERCOM sercom4( SERCOM4 ) ; +SERCOM sercom5( SERCOM5 ) ; + +Uart Serial1( &sercom0, PIN_SERIAL1_RX, PIN_SERIAL1_TX, PAD_SERIAL1_RX, PAD_SERIAL1_TX ) ; + +//modified by AKIBA +Uart Serial( &sercom0, PIN_SERIAL_RX, PIN_SERIAL_TX, PAD_SERIAL_RX, PAD_SERIAL_TX ) ; +//Uart Serial( &sercom5, PIN_SERIAL_RX, PIN_SERIAL_TX, PAD_SERIAL_RX, PAD_SERIAL_TX ) ; + +void SERCOM0_Handler() +{ + Serial.IrqHandler(); +} +/* +void SERCOM0_Handler() +{ + Serial1.IrqHandler(); +} + + +void SERCOM5_Handler() +{ + Serial.IrqHandler(); +} +*/ diff --git a/variants/xplained_samr21g18a/variant.h b/variants/xplained_samr21g18a/variant.h new file mode 100644 index 000000000..24cc4e534 --- /dev/null +++ b/variants/xplained_samr21g18a/variant.h @@ -0,0 +1,214 @@ +/* + Copyright (c) 2014-2015 Arduino LLC. 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 +*/ + +#ifndef _VARIANT_ARDUINO_ZERO_ +#define _VARIANT_ARDUINO_ZERO_ + +/*---------------------------------------------------------------------------- + * Definitions + *----------------------------------------------------------------------------*/ + +/** Frequency of the board main oscillator */ +#define VARIANT_MAINOSC (32768ul) + +/** Master clock frequency */ +#define VARIANT_MCK (48000000ul) + + #define CHB_AT86RF 1 + #define CHB_SAMD_ZERO 1 + +/*---------------------------------------------------------------------------- + * Headers + *----------------------------------------------------------------------------*/ + +#include "WVariant.h" + +#ifdef __cplusplus +#include "SERCOM.h" +#include "Uart.h" +#endif // __cplusplus + +#ifdef __cplusplus +extern "C" +{ +#endif // __cplusplus + +/*---------------------------------------------------------------------------- + * Pins + *----------------------------------------------------------------------------*/ + +// Number of pins defined in PinDescription array +#define PINS_COUNT (26u) +#define NUM_DIGITAL_PINS (14u) +#define NUM_ANALOG_INPUTS (6u) +#define NUM_ANALOG_OUTPUTS (1u) + +#define digitalPinToPort(P) ( &(PORT->Group[g_APinDescription[P].ulPort]) ) +#define digitalPinToBitMask(P) ( 1 << g_APinDescription[P].ulPin ) +//#define analogInPinToBit(P) ( ) +#define portOutputRegister(port) ( &(port->OUT.reg) ) +#define portInputRegister(port) ( &(port->IN.reg) ) +#define portModeRegister(port) ( &(port->DIR.reg) ) +#define digitalPinHasPWM(P) ( g_APinDescription[P].ulPWMChannel != NOT_ON_PWM || g_APinDescription[P].ulTCChannel != NOT_ON_TIMER ) + +/* + * digitalPinToTimer(..) is AVR-specific and is not defined for SAMD + * architecture. If you need to check if a pin supports PWM you must + * use digitalPinHasPWM(..). + * + * https://github.com/arduino/Arduino/issues/1833 + */ +// #define digitalPinToTimer(P) + +// Interrupts +#define digitalPinToInterrupt(P) ( g_APinDescription[P].ulExtInt ) + +// LEDs +#define PIN_LED_13 (13u) +#define PIN_LED_RXL (25u) +#define PIN_LED_TXL (26u) +#define PIN_LED PIN_LED_13 +#define PIN_LED2 PIN_LED_RXL +#define PIN_LED3 PIN_LED_TXL +#define LED_BUILTIN PIN_LED_13 + +/* + * Analog pins + */ +#define PIN_A0 (14ul) +#define PIN_A1 (15ul) +#define PIN_A2 (16ul) +#define PIN_A3 (17ul) +#define PIN_A4 (18ul) +#define PIN_A5 (19ul) +#define PIN_A6 (8ul) +#define PIN_A7 (9ul) + +static const uint8_t A0 = PIN_A0 ; +static const uint8_t A1 = PIN_A1 ; +static const uint8_t A2 = PIN_A2 ; +static const uint8_t A3 = PIN_A3 ; +static const uint8_t A4 = PIN_A4 ; +static const uint8_t A5 = PIN_A5 ; +#define ADC_RESOLUTION 12 + +// Other pins +#define PIN_ATN (38ul) +static const uint8_t ATN = PIN_ATN; + +/* + * Serial interfaces + */ +// Serial (EDBG) +#define PIN_SERIAL_RX (31ul) +#define PIN_SERIAL_TX (30ul) + +// modified by AKIBA +#define PAD_SERIAL_TX (UART_TX_PAD_0) +#define PAD_SERIAL_RX (SERCOM_RX_PAD_1) + +// Serial1 +#define PIN_SERIAL1_RX (0ul) +#define PIN_SERIAL1_TX (1ul) +#define PAD_SERIAL1_TX (UART_TX_PAD_2) +#define PAD_SERIAL1_RX (SERCOM_RX_PAD_3) + +/* + * SPI Interfaces + */ +#define SPI_INTERFACES_COUNT 1 + +#define PIN_SPI_MISO (22u) +#define PIN_SPI_MOSI (23u) +#define PIN_SPI_SCK (24u) + +#define PERIPH_SPI sercom4 +#define PAD_SPI_TX SPI_PAD_2_SCK_3 +#define PAD_SPI_RX SERCOM_RX_PAD_0 + +static const uint8_t SS = (25ul) ; // SERCOM4 last PAD is present on A2 but HW SS isn't used. Set here only for reference. +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 1 + +#define PIN_WIRE_SDA (20u) +#define PIN_WIRE_SCL (21u) +#define PERIPH_WIRE sercom3 +#define WIRE_IT_HANDLER SERCOM3_Handler + +/* + * USB + */ +#define PIN_USB_HOST_ENABLE (27ul) +#define PIN_USB_DM (28ul) +#define PIN_USB_DP (29ul) + +#ifdef __cplusplus +} +#endif + +/*---------------------------------------------------------------------------- + * Arduino objects - C++ only + *----------------------------------------------------------------------------*/ + +#ifdef __cplusplus + +/* ========================= + * ===== SERCOM DEFINITION + * ========================= +*/ +extern SERCOM sercom0; +extern SERCOM sercom1; +extern SERCOM sercom2; +extern SERCOM sercom3; +extern SERCOM sercom4; +extern SERCOM sercom5; + +extern Uart Serial; +extern Uart Serial1; + +#endif + +// These serial port names are intended to allow libraries and architecture-neutral +// sketches to automatically default to the correct port name for a particular type +// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN, +// the first hardware serial port whose RX/TX pins are not dedicated to another use. +// +// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor +// +// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial +// +// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library +// +// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins. +// +// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX +// pins are NOT connected to anything by default. +#define SERIAL_PORT_USBVIRTUAL SerialUSB +#define SERIAL_PORT_MONITOR Serial +// Serial has no physical pins broken out, so it's not listed as HARDWARE port +#define SERIAL_PORT_HARDWARE Serial1 +#define SERIAL_PORT_HARDWARE_OPEN Serial1 + +#endif /* _VARIANT_ARDUINO_ZERO_ */ +