Merge pull request #1100 from tannewt/samr

Initial SAMR board revision.

.travis.yml

@@ -14,6 +14,7 @@ env:
   - TRAVIS_BOARD=pca10056
   - TRAVIS_BOARD=trinket_m0
   - TRAVIS_BOARD=feather_m4_express
+  - TRAVIS_BOARD=feather_radiofruit_zigbee
   - TRAVIS_BOARD=arduino_zero
   - TRAVIS_BOARD=circuitplayground_express_crickit
   - TRAVIS_BOARD=feather_m0_basic
@@ -50,7 +51,7 @@ notifications:
 before_script:
   - sudo dpkg --add-architecture i386
 
-  - ([[ -z "$TRAVIS_BOARD" ]] || (wget https://s3.amazonaws.com/adafruit-circuit-python/gcc-arm-embedded_7-2018q2-1~trusty1_amd64.deb && sudo dpkg -i gcc-arm-embedded*_amd64.deb))
+  - ([[ -z "$TRAVIS_BOARD" || $TRAVIS_BOARD = "feather_huzzah" ]] || (wget https://s3.amazonaws.com/adafruit-circuit-python/gcc-arm-embedded_7-2018q2-1~trusty1_amd64.deb && sudo dpkg -i gcc-arm-embedded*_amd64.deb))
 
   # For nrf builds
   - ([[ $TRAVIS_BOARD != "feather52832" && $TRAVIS_BOARD != "pca10056" ]] || sudo ports/nrf/drivers/bluetooth/download_ble_stack.sh)
@@ -62,7 +63,7 @@ before_script:
   - ([[ $TRAVIS_TEST != "docs" ]] || sudo pip install Sphinx sphinx-rtd-theme recommonmark)
   - ([[ $TRAVIS_TEST != "translations" ]] || sudo pip3 install polib)
   - gcc --version
-  - ([[ -z "$TRAVIS_BOARD" ]] || arm-none-eabi-gcc --version)
+  - ([[ -z "$TRAVIS_BOARD" || $TRAVIS_BOARD = "feather_huzzah" ]] || arm-none-eabi-gcc --version)
   - python3 --version
 
 script:

ports/atmel-samd/Makefile

@@ -336,8 +336,6 @@ SRC_COMMON_HAL = \
 	pulseio/PWMOut.c \
 	usb_hid/__init__.c \
 	usb_hid/Device.c \
-	audioio/__init__.c \
-	audioio/AudioOut.c \
 	touchio/__init__.c \
 	touchio/TouchIn.c \
 
@@ -378,13 +376,8 @@ SRC_BINDINGS_ENUMS = \
 	supervisor/__init__.c \
 	util.c
 
-SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \
-                          $(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \
-                          $(addprefix common-hal/, $(SRC_COMMON_HAL))
 
 SRC_SHARED_MODULE = \
-	audioio/RawSample.c \
-	audioio/WaveFile.c \
 	bitbangio/__init__.c \
 	bitbangio/I2C.c \
 	bitbangio/OneWire.c \
@@ -402,17 +395,33 @@ SRC_SHARED_MODULE = \
 	uheap/__init__.c \
 	ustack/__init__.c
 
+# SAMRs don't have a DAC
+ifneq ($(CHIP_VARIANT),SAMR21G18A)
+	SRC_COMMON_HAL += \
+		audioio/__init__.c \
+		audioio/AudioOut.c
+	SRC_SHARED_MODULE += \
+		audioio/RawSample.c \
+		audioio/WaveFile.c
+endif
+
 # The smallest SAMD51 packages don't have I2S. Everything else does.
 ifneq ($(CHIP_VARIANT),SAMD51G18A)
 	ifneq ($(CHIP_VARIANT),SAMD51G19A)
+		ifneq ($(CHIP_VARIANT),SAMR21G18A)
 			SRC_COMMON_HAL += \
 				audiobusio/__init__.c \
 				audiobusio/I2SOut.c \
 				audiobusio/PDMIn.c
 			SRC_C += peripherals/samd/i2s.c peripherals/samd/$(CHIP_FAMILY)/i2s.c
 		endif
+	endif
 endif
 
+SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \
+                          $(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \
+                          $(addprefix common-hal/, $(SRC_COMMON_HAL))
+
 SRC_SHARED_MODULE_EXPANDED = $(addprefix shared-bindings/, $(SRC_SHARED_MODULE)) \
                              $(addprefix shared-module/, $(SRC_SHARED_MODULE))
 

ports/atmel-samd/asf4

@@ -1 +1 @@
-Subproject commit 88a67f9c83eeb225fe65f596078f8aaa3f6de1ec
+Subproject commit 4007ba846bc937410f7eb8350e62e0f5fe9ed8f5

ports/atmel-samd/background.c

@@ -33,7 +33,9 @@
 volatile uint64_t last_finished_tick = 0;
 
 void run_background_tasks(void) {
+    #if (defined(SAMD21) && defined(PIN_PA02)) || defined(SAMD51)
     audio_dma_background();
+    #endif
     usb_msc_background();
     usb_cdc_background();
     last_finished_tick = ticks_ms;

ports/atmel-samd/boards/feather_radiofruit_zigbee/board.c

@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "boards/board.h"
+
+void board_init(void)
+{
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}

ports/atmel-samd/boards/feather_radiofruit_zigbee/mpconfigboard.h

@@ -0,0 +1,64 @@
+#define MICROPY_HW_BOARD_NAME "Adafruit Feather RadioFruit Zigbee"
+#define MICROPY_HW_MCU_NAME "samr21g18"
+
+#define MICROPY_HW_NEOPIXEL (&pin_PA22)
+
+// Clock rates are off: Salae reads 12MHz which is the limit even though we set it to the safer 8MHz.
+#define SPI_FLASH_BAUDRATE  (8000000)
+
+#define SPI_FLASH_MOSI_PIN          PIN_PA31
+#define SPI_FLASH_MISO_PIN          PIN_PA30
+#define SPI_FLASH_SCK_PIN           PIN_PA17
+#define SPI_FLASH_CS_PIN            PIN_PA28
+#define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PA31D_SERCOM1_PAD3
+#define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PA30D_SERCOM1_PAD2
+#define SPI_FLASH_SCK_PIN_FUNCTION  PINMUX_PA17C_SERCOM1_PAD1
+#define SPI_FLASH_SERCOM            SERCOM1
+#define SPI_FLASH_SERCOM_INDEX      1
+#define SPI_FLASH_MOSI_PAD          3
+#define SPI_FLASH_MISO_PAD          2
+#define SPI_FLASH_SCK_PAD           1
+// <o> Transmit Data Pinout
+// <0x0=>PAD[0,1]_DO_SCK
+// <0x1=>PAD[2,3]_DO_SCK
+// <0x2=>PAD[3,1]_DO_SCK
+// <0x3=>PAD[0,3]_DO_SCK
+#define SPI_FLASH_DOPO              2
+#define SPI_FLASH_DIPO              2   // same as MISO pad
+
+// These are pins not to reset.
+#define MICROPY_PORT_A        (PORT_PA17 | PORT_PA22 | PORT_PA24 | PORT_PA25 | PORT_PA28 | PORT_PA30 | PORT_PA31)
+#define MICROPY_PORT_B        ( 0 )
+#define MICROPY_PORT_C        ( 0 )
+
+#include "external_flash/external_flash.h"
+
+// If you change this, then make sure to update the linker scripts as well to
+// make sure you don't overwrite code.
+#define CIRCUITPY_INTERNAL_NVM_SIZE 256
+
+#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
+
+#include "external_flash/devices.h"
+
+#define EXTERNAL_FLASH_DEVICE_COUNT 2
+#define EXTERNAL_FLASH_DEVICES S25FL216K, \
+                               GD25Q16C
+
+#include "external_flash/external_flash.h"
+
+#define BOARD_HAS_CRYSTAL 1
+
+#define DEFAULT_I2C_BUS_SCL (&pin_PA13)
+#define DEFAULT_I2C_BUS_SDA (&pin_PA12)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_PB23)
+#define DEFAULT_SPI_BUS_MOSI (&pin_PB22)
+#define DEFAULT_SPI_BUS_MISO (&pin_PA23)
+
+#define DEFAULT_UART_BUS_RX (&pin_PA09)
+#define DEFAULT_UART_BUS_TX (&pin_PA08)
+
+// USB is always used internally so skip the pin objects for it.
+#define IGNORE_PIN_PA24     1
+#define IGNORE_PIN_PA25     1

ports/atmel-samd/boards/feather_radiofruit_zigbee/mpconfigboard.mk

@@ -0,0 +1,11 @@
+LD_FILE = boards/samd21x18-bootloader-external-flash.ld
+USB_VID = 0x239A
+USB_PID = 0x8023
+USB_PRODUCT = "Feather RadioFruit Zigbee"
+USB_MANUFACTURER = "Adafruit Industries LLC"
+
+SPI_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = MPZ
+
+CHIP_VARIANT = SAMR21G18A
+CHIP_FAMILY = samd21

ports/atmel-samd/boards/feather_radiofruit_zigbee/pins.c

@@ -0,0 +1,46 @@
+#include "shared-bindings/board/__init__.h"
+
+#include "board_busses.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_PB02) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_PB03) },
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_PA04) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_PA05) },
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_PA06) },
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_PA07) },
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_PB23) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_PB22) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_PA23) },
+    { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_PA09) },
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_PA09) },
+    { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_PA08) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_PA08) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_PA12) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_PA13) },
+    { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_PA14) },
+    { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_PA15) },
+    { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_PA16) },
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_PA18) },
+    { MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_PA19) },
+    { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_PA22) },
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_PA22) },
+    { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_PA27) },
+    { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
+    { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },
+    { MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj) },
+
+    // Internally connected within the package
+    { MP_ROM_QSTR(MP_QSTR_DIG3), MP_ROM_PTR(&pin_PA10) },
+    { MP_ROM_QSTR(MP_QSTR_DIG4), MP_ROM_PTR(&pin_PA11) },
+    { MP_ROM_QSTR(MP_QSTR_SLP_TR), MP_ROM_PTR(&pin_PA20) },
+    { MP_ROM_QSTR(MP_QSTR_IRQ), MP_ROM_PTR(&pin_PB00) },
+    { MP_ROM_QSTR(MP_QSTR_DIG1), MP_ROM_PTR(&pin_PA16) },
+    { MP_ROM_QSTR(MP_QSTR_DIG2), MP_ROM_PTR(&pin_PA17) },
+    { MP_ROM_QSTR(MP_QSTR_RF_MOSI), MP_ROM_PTR(&pin_PB30) },
+    { MP_ROM_QSTR(MP_QSTR_SEL), MP_ROM_PTR(&pin_PB31) },
+    { MP_ROM_QSTR(MP_QSTR_CLKM), MP_ROM_PTR(&pin_PC16) },
+    { MP_ROM_QSTR(MP_QSTR_RF_SCK), MP_ROM_PTR(&pin_PC18) },
+    { MP_ROM_QSTR(MP_QSTR_RF_MISO), MP_ROM_PTR(&pin_PC19) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);

ports/atmel-samd/common-hal/analogio/AnalogOut.c

@@ -45,6 +45,9 @@
 
 void common_hal_analogio_analogout_construct(analogio_analogout_obj_t* self,
         const mcu_pin_obj_t *pin) {
+    #if defined(SAMD21) && !defined(PIN_PA02)
+    mp_raise_NotImplementedError("No DAC on chip");
+    #else
     if (pin->number != PIN_PA02
     #ifdef SAMD51
         && pin->number != PIN_PA05
@@ -97,6 +100,7 @@ void common_hal_analogio_analogout_construct(analogio_analogout_obj_t* self,
     gpio_set_pin_function(pin->number, GPIO_PIN_FUNCTION_B);
 
     dac_sync_enable_channel(&self->descriptor, self->channel);
+    #endif
 }
 
 bool common_hal_analogio_analogout_deinited(analogio_analogout_obj_t *self) {
@@ -104,6 +108,7 @@ bool common_hal_analogio_analogout_deinited(analogio_analogout_obj_t *self) {
 }
 
 void common_hal_analogio_analogout_deinit(analogio_analogout_obj_t *self) {
+    #if (defined(SAMD21) && defined(PIN_PA02)) || defined(SAMD51)
     if (common_hal_analogio_analogout_deinited(self)) {
         return;
     }
@@ -119,16 +124,23 @@ void common_hal_analogio_analogout_deinit(analogio_analogout_obj_t *self) {
     #endif
     self->deinited = true;
     // TODO(tannewt): Turn off the DAC clocks to save power.
+    #endif
 }
 
 void common_hal_analogio_analogout_set_value(analogio_analogout_obj_t *self,
         uint16_t value) {
+    #if defined(SAMD21) && !defined(PIN_PA02)
+    return;
+    #endif
     // Input is 16 bit so make sure and set LEFTADJ to 1 so it takes the top
     // bits. This is currently done in asf4_conf/*/hpl_dac_config.h.
     dac_sync_write(&self->descriptor, self->channel, &value, 1);
 }
 
 void analogout_reset(void) {
+    #if defined(SAMD21) && !defined(PIN_PA02)
+    return;
+    #endif
     #ifdef SAMD21
     while (DAC->STATUS.reg & DAC_STATUS_SYNCBUSY) {}
     #endif

ports/atmel-samd/common-hal/busio/SPI.c

@@ -53,6 +53,22 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
     uint8_t mosi_pad = 0;
     uint8_t miso_pad = 0;
     uint8_t dopo = 255;
+    #ifdef PIN_PC19
+    if (miso == &pin_PC19) {
+        if (mosi == &pin_PB30 && clock == &pin_PC18) {
+            sercom = SERCOM4;
+            sercom_index = 4;
+            clock_pinmux = MUX_F;
+            mosi_pinmux = MUX_F;
+            miso_pinmux = MUX_F;
+            clock_pad = 3;
+            mosi_pad = 2;
+            miso_pad = 0;
+            dopo = samd_peripherals_get_spi_dopo(clock_pad, mosi_pad);
+        }
+        // Error, leave SERCOM unset to throw an exception later.
+    } else {
+    #endif
     for (int i = 0; i < NUM_SERCOMS_PER_PIN; i++) {
         sercom_index = clock->sercom[i].index; // 2 for SERCOM2, etc.
         if (sercom_index >= SERCOM_INST_NUM) {
@@ -109,6 +125,9 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
             break;
         }
     }
+    #ifdef PIN_PC19
+    }
+    #endif
     if (sercom == NULL) {
         mp_raise_ValueError("Invalid pins");
     }

ports/atmel-samd/common-hal/microcontroller/__init__.c

@@ -264,7 +264,16 @@ STATIC const mp_rom_map_elem_t mcu_pin_global_dict_table[] = {
     { MP_ROM_QSTR(MP_QSTR_PB02), MP_ROM_PTR(&pin_PB02) },
 #endif
 #if defined(PIN_PB03) && !defined(IGNORE_PIN_PB03)
-    { MP_ROM_QSTR(MP_QSTR_PB03), MP_ROM_PTR(&pin_PB03) }
+    { MP_ROM_QSTR(MP_QSTR_PB03), MP_ROM_PTR(&pin_PB03) },
+#endif
+#if defined(PIN_PC16)
+    { MP_ROM_QSTR(MP_QSTR_PC16), MP_ROM_PTR(&pin_PC16) },
+#endif
+#if defined(PIN_PC18)
+    { MP_ROM_QSTR(MP_QSTR_PC18), MP_ROM_PTR(&pin_PC18) },
+#endif
+#if defined(PIN_PC19)
+    { MP_ROM_QSTR(MP_QSTR_PC19), MP_ROM_PTR(&pin_PC19) },
 #endif
 };
 MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table);

ports/atmel-samd/mpconfigport.h

@@ -213,15 +213,21 @@ extern const struct _mp_obj_module_t usb_hid_module;
     // Scan gamepad every 32ms
     #define CIRCUITPY_GAMEPAD_TICKS 0x1f
 
-    #if defined(__SAMD51G19A__) || defined(__SAMD51G18A__)
+    #if defined(__SAMD51G19A__) || defined(__SAMD51G18A__) || defined(__SAMR21G18A__)
         #define AUDIOBUSIO_MODULE
     #else
         #define AUDIOBUSIO_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_audiobusio), (mp_obj_t)&audiobusio_module },
     #endif
 
+    #if defined(__SAMR21G18A__)
+        #define AUDIOIO_MODULE
+    #else
+        #define AUDIOIO_MODULE { MP_OBJ_NEW_QSTR(MP_QSTR_audioio), (mp_obj_t)&audioio_module },
+    #endif
+
     #ifndef EXTRA_BUILTIN_MODULES
     #define EXTRA_BUILTIN_MODULES \
-        { MP_OBJ_NEW_QSTR(MP_QSTR_audioio), (mp_obj_t)&audioio_module }, \
+        AUDIOIO_MODULE \
         AUDIOBUSIO_MODULE \
         { MP_OBJ_NEW_QSTR(MP_QSTR_bitbangio), (mp_obj_t)&bitbangio_module }, \
         { MP_OBJ_NEW_QSTR(MP_QSTR_rotaryio), (mp_obj_t)&rotaryio_module }, \

ports/atmel-samd/peripherals

@@ -1 +1 @@
-Subproject commit 75c3d3d50b25d2ba3a8872f0bff621ffdf94353f
+Subproject commit 1140ff6d7ed413aa1e2f34c5d847dcc41c924bb9

ports/atmel-samd/supervisor/port.c

@@ -239,7 +239,7 @@ void reset_port(void) {
         sercom_instances[i]->SPI.CTRLA.bit.SWRST = 1;
     }
 
-#ifdef EXPRESS_BOARD
+#if defined(EXPRESS_BOARD) && !defined(__SAMR21G18A__)
     audioout_reset();
     #if !defined(__SAMD51G19A__) && !defined(__SAMD51G18A__)
     i2sout_reset();

ports/esp8266/Makefile

@@ -269,6 +269,7 @@ axtls: $(BUILD)/libaxtls.a
 
 $(BUILD)/libaxtls.a:
 	cd $(TOP)/lib/axtls; cp config/upyconfig config/.config
+	cd $(TOP)/lib/axtls; $(MAKE) ssl/version.h
 	cd $(TOP)/lib/axtls; $(MAKE) oldconfig -B
 	cd $(TOP)/lib/axtls; $(MAKE) clean
 	cd $(TOP)/lib/axtls; $(MAKE) all CC="$(CC)" LD="$(LD)" AR="$(AR)" CFLAGS_EXTRA="$(CFLAGS_XTENSA) -Dabort=abort_ -DRT_MAX_PLAIN_LENGTH=1024 -DRT_EXTRA=4096"

tools/build_adafruit_bins.sh

@@ -2,7 +2,7 @@ rm -rf ports/atmel-samd/build*
 rm -rf ports/esp8266/build*
 rm -rf ports/nrf/build*
 
-ATMEL_BOARDS="arduino_zero circuitplayground_express circuitplayground_express_crickit feather_m0_basic feather_m0_adalogger itsybitsy_m0_express itsybitsy_m4_express feather_m0_rfm69 feather_m0_rfm9x feather_m0_express feather_m0_express_crickit feather_m4_express metro_m0_express metro_m4_express pirkey_m0 trinket_m0 gemma_m0 feather52832 feather_huzzah pca10056 hallowing_m0_express"
+ATMEL_BOARDS="arduino_zero circuitplayground_express circuitplayground_express_crickit feather_radiofruit_zigbee feather_m0_basic feather_m0_adalogger itsybitsy_m0_express itsybitsy_m4_express feather_m0_rfm69 feather_m0_rfm9x feather_m0_express feather_m0_express_crickit feather_m4_express metro_m0_express metro_m4_express pirkey_m0 trinket_m0 gemma_m0 feather52832 feather_huzzah pca10056 hallowing_m0_express"
 ROSIE_SETUPS="rosie-ci"
 
 PARALLEL="-j 5"