Massdrop keyboard support (#3780)

* Massdrop SAMD51

Massdrop SAMD51 keyboards initial project upload

* Removing relocated files

Removing files that were relocated and not deleted from previous location

* LED queue fix and cleaning

Cleaned some white space or comments.
Fix for LED I2C command queue.
Cleaned up interrupts.
Added debug function for printing numbers to scope through m15 line.

* Factory programmed serial usage

Ability to use factory programmed serial in hub and keyboard usb descriptors

* USB serial number and bugfix

Added support for factory programmed serial and usage.
Incorporated bootloader's conditional compiling to align project closer.
Fixed issue when USB device attempted to send before enabled.
General white space and comment cleanup.

* Project cleanup

Cleaned up project in terms of white space, commented code, and unecessary files.
NKRO keyboard is now using correct setreport although KBD was fine to use.
Fixed broken linkage to __xprintf for serial debug statements.

* Fix for extra keys

Fixed possible USB hang on extra keys report set missing

* I2C cleanup

I2C cleanup and file renames necessary for master branch merge

* Boot tracing and clocks cleanup

Added optional boot debug trace mode through debug LED codes.
General clock code cleanup.

* Relocate ARM/Atmel headers

Moved ARM/Atmel header folder from drivers to lib and made necessary makefile changes.

* Pull request changes

Pull request changes

* Keymap and compile flag fix

Keymap fix for momentary layer.
Potential compile flag fix for Travis CI failure.

* va_list include fix

Fix for va_list compile failure

* Include file case fixes

Fixes for include files with incorrect case

* ctrl and alt67 keyboard readme

Added ctrl and alt67 keyboard readme files

1 files changed, 184 insertions, 0 deletions

diff --git a/lib/arm_atsam/packs/atmel/SAMD51_DFP/1.0.70/include/instance/port.h b/lib/arm_atsam/packs/atmel/SAMD51_DFP/1.0.70/include/instance/port.h
new file mode 100644
index 000000000..85c913108
--- /dev/null
+++ b/lib/arm_atsam/packs/atmel/SAMD51_DFP/1.0.70/include/instance/port.h
@@ -0,0 +1,184 @@
+/**
+ * \file
+ *
+ * \brief Instance description for PORT
+ *
+ * Copyright (c) 2017 Microchip Technology Inc.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the Licence at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#ifndef _SAMD51_PORT_INSTANCE_
+#define _SAMD51_PORT_INSTANCE_
+
+/* ========== Register definition for PORT peripheral ========== */
+#if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
+#define REG_PORT_DIR0              (0x41008000) /**< \brief (PORT) Data Direction 0 */
+#define REG_PORT_DIRCLR0           (0x41008004) /**< \brief (PORT) Data Direction Clear 0 */
+#define REG_PORT_DIRSET0           (0x41008008) /**< \brief (PORT) Data Direction Set 0 */
+#define REG_PORT_DIRTGL0           (0x4100800C) /**< \brief (PORT) Data Direction Toggle 0 */
+#define REG_PORT_OUT0              (0x41008010) /**< \brief (PORT) Data Output Value 0 */
+#define REG_PORT_OUTCLR0           (0x41008014) /**< \brief (PORT) Data Output Value Clear 0 */
+#define REG_PORT_OUTSET0           (0x41008018) /**< \brief (PORT) Data Output Value Set 0 */
+#define REG_PORT_OUTTGL0           (0x4100801C) /**< \brief (PORT) Data Output Value Toggle 0 */
+#define REG_PORT_IN0               (0x41008020) /**< \brief (PORT) Data Input Value 0 */
+#define REG_PORT_CTRL0             (0x41008024) /**< \brief (PORT) Control 0 */
+#define REG_PORT_WRCONFIG0         (0x41008028) /**< \brief (PORT) Write Configuration 0 */
+#define REG_PORT_EVCTRL0           (0x4100802C) /**< \brief (PORT) Event Input Control 0 */
+#define REG_PORT_PMUX0             (0x41008030) /**< \brief (PORT) Peripheral Multiplexing 0 */
+#define REG_PORT_PINCFG0           (0x41008040) /**< \brief (PORT) Pin Configuration 0 */
+#define REG_PORT_DIR1              (0x41008080) /**< \brief (PORT) Data Direction 1 */
+#define REG_PORT_DIRCLR1           (0x41008084) /**< \brief (PORT) Data Direction Clear 1 */
+#define REG_PORT_DIRSET1           (0x41008088) /**< \brief (PORT) Data Direction Set 1 */
+#define REG_PORT_DIRTGL1           (0x4100808C) /**< \brief (PORT) Data Direction Toggle 1 */
+#define REG_PORT_OUT1              (0x41008090) /**< \brief (PORT) Data Output Value 1 */
+#define REG_PORT_OUTCLR1           (0x41008094) /**< \brief (PORT) Data Output Value Clear 1 */
+#define REG_PORT_OUTSET1           (0x41008098) /**< \brief (PORT) Data Output Value Set 1 */
+#define REG_PORT_OUTTGL1           (0x4100809C) /**< \brief (PORT) Data Output Value Toggle 1 */
+#define REG_PORT_IN1               (0x410080A0) /**< \brief (PORT) Data Input Value 1 */
+#define REG_PORT_CTRL1             (0x410080A4) /**< \brief (PORT) Control 1 */
+#define REG_PORT_WRCONFIG1         (0x410080A8) /**< \brief (PORT) Write Configuration 1 */
+#define REG_PORT_EVCTRL1           (0x410080AC) /**< \brief (PORT) Event Input Control 1 */
+#define REG_PORT_PMUX1             (0x410080B0) /**< \brief (PORT) Peripheral Multiplexing 1 */
+#define REG_PORT_PINCFG1           (0x410080C0) /**< \brief (PORT) Pin Configuration 1 */
+#define REG_PORT_DIR2              (0x41008100) /**< \brief (PORT) Data Direction 2 */
+#define REG_PORT_DIRCLR2           (0x41008104) /**< \brief (PORT) Data Direction Clear 2 */
+#define REG_PORT_DIRSET2           (0x41008108) /**< \brief (PORT) Data Direction Set 2 */
+#define REG_PORT_DIRTGL2           (0x4100810C) /**< \brief (PORT) Data Direction Toggle 2 */
+#define REG_PORT_OUT2              (0x41008110) /**< \brief (PORT) Data Output Value 2 */
+#define REG_PORT_OUTCLR2           (0x41008114) /**< \brief (PORT) Data Output Value Clear 2 */
+#define REG_PORT_OUTSET2           (0x41008118) /**< \brief (PORT) Data Output Value Set 2 */
+#define REG_PORT_OUTTGL2           (0x4100811C) /**< \brief (PORT) Data Output Value Toggle 2 */
+#define REG_PORT_IN2               (0x41008120) /**< \brief (PORT) Data Input Value 2 */
+#define REG_PORT_CTRL2             (0x41008124) /**< \brief (PORT) Control 2 */
+#define REG_PORT_WRCONFIG2         (0x41008128) /**< \brief (PORT) Write Configuration 2 */
+#define REG_PORT_EVCTRL2           (0x4100812C) /**< \brief (PORT) Event Input Control 2 */
+#define REG_PORT_PMUX2             (0x41008130) /**< \brief (PORT) Peripheral Multiplexing 2 */
+#define REG_PORT_PINCFG2           (0x41008140) /**< \brief (PORT) Pin Configuration 2 */
+#define REG_PORT_DIR3              (0x41008180) /**< \brief (PORT) Data Direction 3 */
+#define REG_PORT_DIRCLR3           (0x41008184) /**< \brief (PORT) Data Direction Clear 3 */
+#define REG_PORT_DIRSET3           (0x41008188) /**< \brief (PORT) Data Direction Set 3 */
+#define REG_PORT_DIRTGL3           (0x4100818C) /**< \brief (PORT) Data Direction Toggle 3 */
+#define REG_PORT_OUT3              (0x41008190) /**< \brief (PORT) Data Output Value 3 */
+#define REG_PORT_OUTCLR3           (0x41008194) /**< \brief (PORT) Data Output Value Clear 3 */
+#define REG_PORT_OUTSET3           (0x41008198) /**< \brief (PORT) Data Output Value Set 3 */
+#define REG_PORT_OUTTGL3           (0x4100819C) /**< \brief (PORT) Data Output Value Toggle 3 */
+#define REG_PORT_IN3               (0x410081A0) /**< \brief (PORT) Data Input Value 3 */
+#define REG_PORT_CTRL3             (0x410081A4) /**< \brief (PORT) Control 3 */
+#define REG_PORT_WRCONFIG3         (0x410081A8) /**< \brief (PORT) Write Configuration 3 */
+#define REG_PORT_EVCTRL3           (0x410081AC) /**< \brief (PORT) Event Input Control 3 */
+#define REG_PORT_PMUX3             (0x410081B0) /**< \brief (PORT) Peripheral Multiplexing 3 */
+#define REG_PORT_PINCFG3           (0x410081C0) /**< \brief (PORT) Pin Configuration 3 */
+#else
+#define REG_PORT_DIR0              (*(RwReg  *)0x41008000UL) /**< \brief (PORT) Data Direction 0 */
+#define REG_PORT_DIRCLR0           (*(RwReg  *)0x41008004UL) /**< \brief (PORT) Data Direction Clear 0 */
+#define REG_PORT_DIRSET0           (*(RwReg  *)0x41008008UL) /**< \brief (PORT) Data Direction Set 0 */
+#define REG_PORT_DIRTGL0           (*(RwReg  *)0x4100800CUL) /**< \brief (PORT) Data Direction Toggle 0 */
+#define REG_PORT_OUT0              (*(RwReg  *)0x41008010UL) /**< \brief (PORT) Data Output Value 0 */
+#define REG_PORT_OUTCLR0           (*(RwReg  *)0x41008014UL) /**< \brief (PORT) Data Output Value Clear 0 */
+#define REG_PORT_OUTSET0           (*(RwReg  *)0x41008018UL) /**< \brief (PORT) Data Output Value Set 0 */
+#define REG_PORT_OUTTGL0           (*(RwReg  *)0x4100801CUL) /**< \brief (PORT) Data Output Value Toggle 0 */
+#define REG_PORT_IN0               (*(RoReg  *)0x41008020UL) /**< \brief (PORT) Data Input Value 0 */
+#define REG_PORT_CTRL0             (*(RwReg  *)0x41008024UL) /**< \brief (PORT) Control 0 */
+#define REG_PORT_WRCONFIG0         (*(WoReg  *)0x41008028UL) /**< \brief (PORT) Write Configuration 0 */
+#define REG_PORT_EVCTRL0           (*(RwReg  *)0x4100802CUL) /**< \brief (PORT) Event Input Control 0 */
+#define REG_PORT_PMUX0             (*(RwReg  *)0x41008030UL) /**< \brief (PORT) Peripheral Multiplexing 0 */
+#define REG_PORT_PINCFG0           (*(RwReg  *)0x41008040UL) /**< \brief (PORT) Pin Configuration 0 */
+#define REG_PORT_DIR1              (*(RwReg  *)0x41008080UL) /**< \brief (PORT) Data Direction 1 */
+#define REG_PORT_DIRCLR1           (*(RwReg  *)0x41008084UL) /**< \brief (PORT) Data Direction Clear 1 */
+#define REG_PORT_DIRSET1           (*(RwReg  *)0x41008088UL) /**< \brief (PORT) Data Direction Set 1 */
+#define REG_PORT_DIRTGL1           (*(RwReg  *)0x4100808CUL) /**< \brief (PORT) Data Direction Toggle 1 */
+#define REG_PORT_OUT1              (*(RwReg  *)0x41008090UL) /**< \brief (PORT) Data Output Value 1 */
+#define REG_PORT_OUTCLR1           (*(RwReg  *)0x41008094UL) /**< \brief (PORT) Data Output Value Clear 1 */
+#define REG_PORT_OUTSET1           (*(RwReg  *)0x41008098UL) /**< \brief (PORT) Data Output Value Set 1 */
+#define REG_PORT_OUTTGL1           (*(RwReg  *)0x4100809CUL) /**< \brief (PORT) Data Output Value Toggle 1 */
+#define REG_PORT_IN1               (*(RoReg  *)0x410080A0UL) /**< \brief (PORT) Data Input Value 1 */
+#define REG_PORT_CTRL1             (*(RwReg  *)0x410080A4UL) /**< \brief (PORT) Control 1 */
+#define REG_PORT_WRCONFIG1         (*(WoReg  *)0x410080A8UL) /**< \brief (PORT) Write Configuration 1 */
+#define REG_PORT_EVCTRL1           (*(RwReg  *)0x410080ACUL) /**< \brief (PORT) Event Input Control 1 */
+#define REG_PORT_PMUX1             (*(RwReg  *)0x410080B0UL) /**< \brief (PORT) Peripheral Multiplexing 1 */
+#define REG_PORT_PINCFG1           (*(RwReg  *)0x410080C0UL) /**< \brief (PORT) Pin Configuration 1 */
+#define REG_PORT_DIR2              (*(RwReg  *)0x41008100UL) /**< \brief (PORT) Data Direction 2 */
+#define REG_PORT_DIRCLR2           (*(RwReg  *)0x41008104UL) /**< \brief (PORT) Data Direction Clear 2 */
+#define REG_PORT_DIRSET2           (*(RwReg  *)0x41008108UL) /**< \brief (PORT) Data Direction Set 2 */
+#define REG_PORT_DIRTGL2           (*(RwReg  *)0x4100810CUL) /**< \brief (PORT) Data Direction Toggle 2 */
+#define REG_PORT_OUT2              (*(RwReg  *)0x41008110UL) /**< \brief (PORT) Data Output Value 2 */
+#define REG_PORT_OUTCLR2           (*(RwReg  *)0x41008114UL) /**< \brief (PORT) Data Output Value Clear 2 */
+#define REG_PORT_OUTSET2           (*(RwReg  *)0x41008118UL) /**< \brief (PORT) Data Output Value Set 2 */
+#define REG_PORT_OUTTGL2           (*(RwReg  *)0x4100811CUL) /**< \brief (PORT) Data Output Value Toggle 2 */
+#define REG_PORT_IN2               (*(RoReg  *)0x41008120UL) /**< \brief (PORT) Data Input Value 2 */
+#define REG_PORT_CTRL2             (*(RwReg  *)0x41008124UL) /**< \brief (PORT) Control 2 */
+#define REG_PORT_WRCONFIG2         (*(WoReg  *)0x41008128UL) /**< \brief (PORT) Write Configuration 2 */
+#define REG_PORT_EVCTRL2           (*(RwReg  *)0x4100812CUL) /**< \brief (PORT) Event Input Control 2 */
+#define REG_PORT_PMUX2             (*(RwReg  *)0x41008130UL) /**< \brief (PORT) Peripheral Multiplexing 2 */
+#define REG_PORT_PINCFG2           (*(RwReg  *)0x41008140UL) /**< \brief (PORT) Pin Configuration 2 */
+#define REG_PORT_DIR3              (*(RwReg  *)0x41008180UL) /**< \brief (PORT) Data Direction 3 */
+#define REG_PORT_DIRCLR3           (*(RwReg  *)0x41008184UL) /**< \brief (PORT) Data Direction Clear 3 */
+#define REG_PORT_DIRSET3           (*(RwReg  *)0x41008188UL) /**< \brief (PORT) Data Direction Set 3 */
+#define REG_PORT_DIRTGL3           (*(RwReg  *)0x4100818CUL) /**< \brief (PORT) Data Direction Toggle 3 */
+#define REG_PORT_OUT3              (*(RwReg  *)0x41008190UL) /**< \brief (PORT) Data Output Value 3 */
+#define REG_PORT_OUTCLR3           (*(RwReg  *)0x41008194UL) /**< \brief (PORT) Data Output Value Clear 3 */
+#define REG_PORT_OUTSET3           (*(RwReg  *)0x41008198UL) /**< \brief (PORT) Data Output Value Set 3 */
+#define REG_PORT_OUTTGL3           (*(RwReg  *)0x4100819CUL) /**< \brief (PORT) Data Output Value Toggle 3 */
+#define REG_PORT_IN3               (*(RoReg  *)0x410081A0UL) /**< \brief (PORT) Data Input Value 3 */
+#define REG_PORT_CTRL3             (*(RwReg  *)0x410081A4UL) /**< \brief (PORT) Control 3 */
+#define REG_PORT_WRCONFIG3         (*(WoReg  *)0x410081A8UL) /**< \brief (PORT) Write Configuration 3 */
+#define REG_PORT_EVCTRL3           (*(RwReg  *)0x410081ACUL) /**< \brief (PORT) Event Input Control 3 */
+#define REG_PORT_PMUX3             (*(RwReg  *)0x410081B0UL) /**< \brief (PORT) Peripheral Multiplexing 3 */
+#define REG_PORT_PINCFG3           (*(RwReg  *)0x410081C0UL) /**< \brief (PORT) Pin Configuration 3 */
+#endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
+
+/* ========== Instance parameters for PORT peripheral ========== */
+#define PORT_BITS                   118     
+#define PORT_DIR_DEFAULT_VAL        { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_DIR_IMPLEMENTED        { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_DRVSTR                 1        // DRVSTR supported
+#define PORT_DRVSTR_DEFAULT_VAL     { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_DRVSTR_IMPLEMENTED     { 0xC8FFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_EVENT_IMPLEMENTED      { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_EV_NUM                 4       
+#define PORT_INEN_DEFAULT_VAL       { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_INEN_IMPLEMENTED       { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_ODRAIN                 0        // ODRAIN supported
+#define PORT_ODRAIN_DEFAULT_VAL     { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_ODRAIN_IMPLEMENTED     { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_OUT_DEFAULT_VAL        { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_OUT_IMPLEMENTED        { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_PIN_IMPLEMENTED        { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_PMUXBIT0_DEFAULT_VAL   { 0x40000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_PMUXBIT0_IMPLEMENTED   { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFC1F, 0x00301F03 }
+#define PORT_PMUXBIT1_DEFAULT_VAL   { 0x40000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_PMUXBIT1_IMPLEMENTED   { 0xCBFFFFFB, 0xFFFFFFFF, 0x1FFFFCF0, 0x00300F00 }
+#define PORT_PMUXBIT2_DEFAULT_VAL   { 0x40000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_PMUXBIT2_IMPLEMENTED   { 0xCBFFFFFB, 0xFFFFFFFF, 0x1FFFFC10, 0x00301F00 }
+#define PORT_PMUXBIT3_DEFAULT_VAL   { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_PMUXBIT3_IMPLEMENTED   { 0xCBFFFFF8, 0x33FFFFFF, 0x18FFF8C0, 0x00300000 }
+#define PORT_PMUXEN_DEFAULT_VAL     { 0x40000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_PMUXEN_IMPLEMENTED     { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_PPP_IMPLEMENTED        { 0x00000001 } // IOBUS2 implemented?
+#define PORT_PULLEN_DEFAULT_VAL     { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_PULLEN_IMPLEMENTED     { 0xCBFFFFFF, 0xFFFFFFFF, 0xDFFFFCFF, 0x00301F03 }
+#define PORT_SLEWLIM                0        // SLEWLIM supported
+#define PORT_SLEWLIM_DEFAULT_VAL    { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+#define PORT_SLEWLIM_IMPLEMENTED    { 0x00000000, 0x00000000, 0x00000000, 0x00000000 }
+
+#endif /* _SAMD51_PORT_INSTANCE_ */