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Merge pull request #264 from adafruit/qtpy
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QT Py!
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hathach authored Sep 23, 2020
2 parents 6a59e83 + 0d46fb5 commit e99eb50
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37 changes: 37 additions & 0 deletions boards.txt
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Expand Up @@ -270,6 +270,43 @@ adafruit_trinket_m0.menu.debug.off=Off
adafruit_trinket_m0.menu.debug.on=On
adafruit_trinket_m0.menu.debug.on.build.flags.debug=-g

# Adafruit QT Py M0 (SAMD21)
# ------------------------------
adafruit_qtpy_m0.name=Adafruit QT PY (SAMD21)
adafruit_qtpy_m0.vid.0=0x239A
adafruit_qtpy_m0.pid.0=0x80CB
adafruit_qtpy_m0.vid.1=0x239A
adafruit_qtpy_m0.pid.1=0x00CB
adafruit_qtpy_m0.vid.1=0x239A
adafruit_qtpy_m0.pid.1=0x00CC
adafruit_qtpy_m0.upload.tool=bossac
adafruit_qtpy_m0.upload.protocol=sam-ba
adafruit_qtpy_m0.upload.maximum_size=262144
adafruit_qtpy_m0.upload.offset=0x2000
adafruit_qtpy_m0.upload.use_1200bps_touch=true
adafruit_qtpy_m0.upload.wait_for_upload_port=true
adafruit_qtpy_m0.upload.native_usb=true
adafruit_qtpy_m0.build.mcu=cortex-m0plus
adafruit_qtpy_m0.build.f_cpu=48000000L
adafruit_qtpy_m0.build.usb_product="QT Py M0"
adafruit_qtpy_m0.build.usb_manufacturer="Adafruit"
adafruit_qtpy_m0.build.board=QTPY_M0
adafruit_qtpy_m0.build.core=arduino
adafruit_qtpy_m0.build.extra_flags=-DCRYSTALLESS -DADAFRUIT_QTPY_M0 -D__SAMD21E18A__ -DARM_MATH_CM0PLUS {build.usb_flags}
adafruit_qtpy_m0.build.ldscript=linker_scripts/gcc/flash_with_bootloader.ld
adafruit_qtpy_m0.build.openocdscript=openocd_scripts/trinket_m0.cfg
adafruit_qtpy_m0.build.variant=qtpy_m0
adafruit_qtpy_m0.build.variant_system_lib=
adafruit_qtpy_m0.build.vid=0x239A
adafruit_qtpy_m0.build.pid=0x80CB
adafruit_qtpy_m0.bootloader.tool=openocd
adafruit_qtpy_m0.bootloader.file=qtpyM0/bootloader-qtpy_m0.bin
adafruit_qtpy_m0.menu.usbstack.arduino=Arduino
adafruit_qtpy_m0.menu.usbstack.tinyusb=TinyUSB
adafruit_qtpy_m0.menu.usbstack.tinyusb.build.flags.usbstack=-DUSE_TINYUSB
adafruit_qtpy_m0.menu.debug.off=Off
adafruit_qtpy_m0.menu.debug.on=On
adafruit_qtpy_m0.menu.debug.on.build.flags.debug=-g

# Adafruit ItsyBitsy M0 (SAMD21)
# ------------------------------
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31 changes: 31 additions & 0 deletions variants/qtpy_m0/debug_scripts/variant.gdb
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#
# 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 at91samd21e18" -f target/at91samdXX.cfg -c "gdb_port pipe; log_output openocd.log"
216 changes: 216 additions & 0 deletions variants/qtpy_m0/linker_scripts/gcc/flash_with_bootloader.ld
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/*
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 :
{
__text_start__ = .;

KEEP(*(.sketch_boot))

. = ALIGN(0x2000);
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(16);
/* 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")
}
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