added metro nrf52840 revA

clean up makefile

Makefile

@@ -265,6 +265,7 @@ CFLAGS += -DDFU_APP_DATA_RESERVED=7*4096
 
 CFLAGS += -DUF2_VERSION='"$(GIT_VERSION) $(GIT_SUBMODULE_VERSIONS) $(SD_NAME) $(SD_VERSION)"'
 CFLAGS += -DBOARD_$(shell echo $(BOARD) | tr '[:lower:]' '[:upper:]')
+CFLAGS += -DBOARD_HEADER_FILE='"boards/$(BOARD).h"'
 
 ifneq ($(IS_52832),)
 CFLAGS += -DNRF52

src/boards.c

@@ -83,7 +83,6 @@ void board_init(void)
 
   // Configure Systick for led blinky
   NVIC_SetPriority(SysTick_IRQn, 7);
-  extern uint32_t SystemCoreClock;
   SysTick_Config(SystemCoreClock/1000);
 }
 

src/boards.h

@@ -17,23 +17,7 @@
 #include <string.h>
 #include "nrf_gpio.h"
 
-#if defined BOARD_FEATHER_NRF52840_EXPRESS
+#include BOARD_HEADER_FILE
-  #include "boards/feather_nrf52840_express.h"
-#elif defined BOARD_FEATHER_NRF52832
-  #include "boards/feather_nrf52832.h"
-#elif defined BOARD_PCA10056
-  #include "boards/pca10056.h"
-#elif defined BOARD_PCA10059
-  #include "boards/pca10059.h"
-#elif defined BOARD_PARTICLE_ARGON
-#include "boards/particle_argon.h"
-#elif defined BOARD_PARTICLE_BORON
-#include "boards/particle_boron.h"
-#elif defined BOARD_PARTICLE_XENON
-#include "boards/particle_xenon.h"
-#else
-  #error No boards defined
-#endif
 
 #ifndef BUTTON_DFU
 #define BUTTON_DFU      BUTTON_1
@@ -73,15 +57,17 @@ void board_teardown(void);
 
 #define bit(b) (1UL << (b))
 
-#define STATE_BOOTLOADER_STARTED 0
+enum {
-#define STATE_USB_MOUNTED 1
+  STATE_BOOTLOADER_STARTED = 0,
-#define STATE_USB_UNMOUNTED 2
+  STATE_USB_MOUNTED,
-#define STATE_FACTORY_RESET_STARTED 3
+  STATE_USB_UNMOUNTED,
-#define STATE_FACTORY_RESET_FINISHED 4
+  STATE_FACTORY_RESET_STARTED,
-#define STATE_WRITING_STARTED 5
+  STATE_FACTORY_RESET_FINISHED,
-#define STATE_WRITING_FINISHED 6
+  STATE_WRITING_STARTED,
-#define STATE_BLE_CONNECTED 7
+  STATE_WRITING_FINISHED,
-#define STATE_BLE_DISCONNECTED 8
+  STATE_BLE_CONNECTED,
+  STATE_BLE_DISCONNECTED
+};
 
 void led_pwm_init(uint32_t led_index, uint32_t led_pin);
 void led_pwm_teardown(void);

src/boards/metro_nrf52840_express.h

@@ -0,0 +1,77 @@
+/**************************************************************************/
+/*!
+    @file     metro_nrf52840_express.h
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2019, Adafruit Industries (adafruit.com)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#ifndef _METRO_NRF52840_EXPRESS_H_
+#define _METRO_NRF52840_EXPRESS_H_
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+/*------------------------------------------------------------------*/
+/* LED
+ *------------------------------------------------------------------*/
+#define LEDS_NUMBER           2
+#define LED_PRIMARY_PIN       _PINNUM(1, 13)
+#define LED_SECONDARY_PIN     _PINNUM(1, 15)
+#define LED_NEOPIXEL          _PINNUM(0, 13)
+#define BOARD_RGB_BRIGHTNESS  0x040404
+#define LED_STATE_ON          1
+
+/*------------------------------------------------------------------*/
+/* BUTTON
+ *------------------------------------------------------------------*/
+#define BUTTONS_NUMBER        2
+#define BUTTON_1              _PINNUM(1, 0)
+#define BUTTON_2              _PINNUM(2, 2)
+#define BUTTON_PULL           NRF_GPIO_PIN_PULLUP
+
+/*------------------------------------------------------------------*/
+/* UART
+ *------------------------------------------------------------------*/
+#define RX_PIN_NUMBER         8
+#define TX_PIN_NUMBER         6
+#define CTS_PIN_NUMBER        0
+#define RTS_PIN_NUMBER        0
+#define HWFC                  false
+
+// Used as model string in OTA mode
+#define DIS_MANUFACTURER      "Adafruit Industries"
+#define DIS_MODEL             "Bluefruit Metro nRF52840 Express"
+
+#define PRODUCT_NAME          "Adafruit Metro nRF52840 Express"
+#define VOLUME_LABEL          "METR840BOOT"
+
+
+#endif /* _METRO_NRF52840_EXPRESS_H_ */

src/usb/usb.c

@@ -79,6 +79,8 @@ void usb_init(bool cdc_only)
 
   _inited = true;
 
+  NVIC_SetPriority(USBD_IRQn, 2);
+
   // USB power may already be ready at this time -> no event generated
   // We need to invoke the handler based on the status initially
   uint32_t usb_reg;