group more nrf boards

examples/make.mk

@@ -30,8 +30,8 @@ FAMILY_PATH = hw/bsp/$(FAMILY)
 BUILD = _build/build-$(BOARD)
 
 # Include Family and Board specific defs
-include $(TOP)/$(FAMILY_PATH)/family.mk
 -include $(TOP)/$(BOARD_PATH)/board.mk
+include $(TOP)/$(FAMILY_PATH)/family.mk
 
 #-------------- Cross Compiler  ------------
 # Can be set by board, default to ARM GCC

hw/bsp/circuitplayground_bluefruit/board.mk

@@ -1,62 +0,0 @@
-CFLAGS += \
-  -flto \
-  -mthumb \
-  -mabi=aapcs \
-  -mcpu=cortex-m4 \
-  -mfloat-abi=hard \
-  -mfpu=fpv4-sp-d16 \
-  -DCFG_TUSB_MCU=OPT_MCU_NRF5X \
-  -DNRF52840_XXAA \
-  -DCONFIG_GPIO_AS_PINRESET
-
-# suppress warning caused by vendor mcu driver
-CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
-
-# due to tusb_hal_nrf_power_event
-GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
-ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
-CFLAGS += -Wno-error=cast-function-type
-endif
-
-# All source paths should be relative to the top level.
-LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
-
-LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
-
-SRC_C += \
-  hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
-  hw/mcu/nordic/nrfx/mdk/system_nrf52840.c \
-
-INC += \
-  $(TOP)/lib/CMSIS_4/CMSIS/Include \
-  $(TOP)/hw/mcu/nordic \
-  $(TOP)/hw/mcu/nordic/nrfx \
-  $(TOP)/hw/mcu/nordic/nrfx/mdk \
-  $(TOP)/hw/mcu/nordic/nrfx/hal \
-  $(TOP)/hw/mcu/nordic/nrfx/drivers/include \
-  $(TOP)/hw/mcu/nordic/nrfx/drivers/src \
-
-SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_nrf52840.S
-
-ASFLAGS += -D__HEAP_SIZE=0
-
-# For TinyUSB port source
-VENDOR = nordic
-CHIP_FAMILY = nrf5x
-
-# For freeRTOS port source
-FREERTOS_PORT = ARM_CM4F
-
-# For flash-jlink target
-JLINK_DEVICE = nRF52840_xxAA
-
-# For uf2 conversion
-UF2_FAMILY = 0xADA52840
-
-$(BUILD)/$(BOARD)-firmware.zip: $(BUILD)/$(BOARD)-firmware.hex
-	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
-	
-# flash using adafruit-nrfutil dfu
-flash: $(BUILD)/$(BOARD)-firmware.zip
-	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
-	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200

hw/bsp/circuitplayground_bluefruit/circuitplayground_bluefruit.c

@@ -1,200 +0,0 @@
-/* 
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * 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.
- *
- * This file is part of the TinyUSB stack.
- */
-
-#include "bsp/board.h"
-
-#include "nrfx.h"
-#include "nrfx/hal/nrf_gpio.h"
-#include "nrfx/drivers/include/nrfx_power.h"
-
-#ifdef SOFTDEVICE_PRESENT
-#include "nrf_sdm.h"
-#include "nrf_soc.h"
-#endif
-
-//--------------------------------------------------------------------+
-// Forward USB interrupt events to TinyUSB IRQ Handler
-//--------------------------------------------------------------------+
-void USBD_IRQHandler(void)
-{
-  tud_int_handler(0);
-}
-
-/*------------------------------------------------------------------*/
-/* MACRO TYPEDEF CONSTANT ENUM
- *------------------------------------------------------------------*/
-#define _PINNUM(port, pin)    ((port)*32 + (pin))
-
-#define LED_PIN         _PINNUM(1, 14)
-#define LED_STATE_ON    1
-
-#define BUTTON_PIN      _PINNUM(1, 15)
-
-// tinyusb function that handles power event (detected, ready, removed)
-// We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
-extern void tusb_hal_nrf_power_event(uint32_t event);
-
-void board_init(void)
-{
-  // Config clock source: XTAL or RC in sdk_config.h
-  NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);
-  NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
-
-  // LED
-  nrf_gpio_cfg_output(LED_PIN);
-  board_led_write(false);
-
-  // Button
-  nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLDOWN);
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-  // 1ms tick timer
-  SysTick_Config(SystemCoreClock/1000);
-#endif
-
-#if TUSB_OPT_DEVICE_ENABLED
-  // Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice
-  // 2 is highest for application
-  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;
-
-#ifdef SOFTDEVICE_PRESENT
-  uint8_t sd_en = false;
-  sd_softdevice_is_enabled(&sd_en);
-
-  if ( sd_en ) {
-    sd_power_usbdetected_enable(true);
-    sd_power_usbpwrrdy_enable(true);
-    sd_power_usbremoved_enable(true);
-
-    sd_power_usbregstatus_get(&usb_reg);
-  }else
-#endif
-  {
-    // Power module init
-    const nrfx_power_config_t pwr_cfg = { 0 };
-    nrfx_power_init(&pwr_cfg);
-
-    // Register tusb function as USB power handler
-    const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
-    nrfx_power_usbevt_init(&config);
-
-    nrfx_power_usbevt_enable();
-
-    usb_reg = NRF_POWER->USBREGSTATUS;
-  }
-
-  if ( usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
-  if ( usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk  ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
-#endif
-}
-
-//--------------------------------------------------------------------+
-// Board porting API
-//--------------------------------------------------------------------+
-
-void board_led_write(bool state)
-{
-  nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
-}
-
-uint32_t board_button_read(void)
-{
-  // button is active HIGH
-  return nrf_gpio_pin_read(BUTTON_PIN);
-}
-
-int board_uart_read(uint8_t* buf, int len)
-{
-  (void) buf; (void) len;
-  return 0;
-}
-
-int board_uart_write(void const * buf, int len)
-{
-  (void) buf; (void) len;
-  return 0;
-}
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-volatile uint32_t system_ticks = 0;
-void SysTick_Handler (void)
-{
-  system_ticks++;
-}
-
-uint32_t board_millis(void)
-{
-  return system_ticks;
-}
-#endif
-
-#ifdef SOFTDEVICE_PRESENT
-// process SOC event from SD
-uint32_t proc_soc(void)
-{
-  uint32_t soc_evt;
-  uint32_t err = sd_evt_get(&soc_evt);
-
-  if (NRF_SUCCESS == err)
-  {
-    /*------------- usb power event handler -------------*/
-    int32_t usbevt = (soc_evt == NRF_EVT_POWER_USB_DETECTED   ) ? NRFX_POWER_USB_EVT_DETECTED:
-                     (soc_evt == NRF_EVT_POWER_USB_POWER_READY) ? NRFX_POWER_USB_EVT_READY   :
-                     (soc_evt == NRF_EVT_POWER_USB_REMOVED    ) ? NRFX_POWER_USB_EVT_REMOVED : -1;
-
-    if ( usbevt >= 0) tusb_hal_nrf_power_event(usbevt);
-  }
-
-  return err;
-}
-
-uint32_t proc_ble(void)
-{
-  // do nothing with ble
-  return NRF_ERROR_NOT_FOUND;
-}
-
-void SD_EVT_IRQHandler(void)
-{
-  // process BLE and SOC until there is no more events
-  while( (NRF_ERROR_NOT_FOUND != proc_ble()) || (NRF_ERROR_NOT_FOUND != proc_soc()) )
-  {
-
-  }
-}
-
-void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info)
-{
-  (void) id;
-  (void) pc;
-  (void) info;
-}
-#endif

hw/bsp/itsybitsy_nrf52840/board.mk

@@ -1,63 +0,0 @@
-CFLAGS += \
-  -flto \
-  -mthumb \
-  -mabi=aapcs \
-  -mcpu=cortex-m4 \
-  -mfloat-abi=hard \
-  -mfpu=fpv4-sp-d16 \
-  -DCFG_TUSB_MCU=OPT_MCU_NRF5X \
-  -DNRF52840_XXAA \
-  -DCONFIG_GPIO_AS_PINRESET
-
-# suppress warning caused by vendor mcu driver
-CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
-
-# due to tusb_hal_nrf_power_event
-GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
-ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
-CFLAGS += -Wno-error=cast-function-type
-endif
-
-# All source paths should be relative to the top level.
-LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld
-
-LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
-
-SRC_C += \
-  hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
-  hw/mcu/nordic/nrfx/drivers/src/nrfx_uarte.c \
-  hw/mcu/nordic/nrfx/mdk/system_nrf52840.c
-
-INC += \
-  $(TOP)/lib/CMSIS_4/CMSIS/Include \
-  $(TOP)/hw/mcu/nordic \
-  $(TOP)/hw/mcu/nordic/nrfx \
-  $(TOP)/hw/mcu/nordic/nrfx/mdk \
-  $(TOP)/hw/mcu/nordic/nrfx/hal \
-  $(TOP)/hw/mcu/nordic/nrfx/drivers/include \
-  $(TOP)/hw/mcu/nordic/nrfx/drivers/src \
-
-SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_nrf52840.S
-
-ASFLAGS += -D__HEAP_SIZE=0
-
-# For TinyUSB port source
-VENDOR = nordic
-CHIP_FAMILY = nrf5x
-
-# For freeRTOS port source
-FREERTOS_PORT = ARM_CM4F
-
-# For flash-jlink target
-JLINK_DEVICE = nRF52840_xxAA
-
-# For uf2 conversion
-UF2_FAMILY = 0xADA52840
-
-$(BUILD)/$(BOARD)-firmware.zip: $(BUILD)/$(BOARD)-firmware.hex
-	adafruit-nrfutil dfu genpkg --dev-type 0x0052 --sd-req 0xFFFE --application $^ $@
-	
-# flash using adafruit-nrfutil dfu
-flash: $(BUILD)/$(BOARD)-firmware.zip
-	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
-	adafruit-nrfutil --verbose dfu serial --package $^ -p $(SERIAL) -b 115200 --singlebank --touch 1200

hw/bsp/itsybitsy_nrf52840/itsybitsy_nrf52840.c

@@ -1,225 +0,0 @@
-/* 
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * 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.
- *
- * This file is part of the TinyUSB stack.
- */
-
-#include "bsp/board.h"
-
-#include "nrfx.h"
-#include "nrfx/hal/nrf_gpio.h"
-#include "nrfx/drivers/include/nrfx_power.h"
-#include "nrfx/drivers/include/nrfx_uarte.h"
-
-#ifdef SOFTDEVICE_PRESENT
-#include "nrf_sdm.h"
-#include "nrf_soc.h"
-#endif
-
-//--------------------------------------------------------------------+
-// Forward USB interrupt events to TinyUSB IRQ Handler
-//--------------------------------------------------------------------+
-void USBD_IRQHandler(void)
-{
-  tud_int_handler(0);
-}
-
-/*------------------------------------------------------------------*/
-/* MACRO TYPEDEF CONSTANT ENUM
- *------------------------------------------------------------------*/
-#define _PINNUM(port, pin)    ((port)*32 + (pin))
-
-#define LED_PIN         _PINNUM(0, 6)
-#define LED_STATE_ON    1
-
-#define BUTTON_PIN      _PINNUM(0, 29)
-
-#define UART_RX_PIN     25
-#define UART_TX_PIN     24
-
-static nrfx_uarte_t _uart_id = NRFX_UARTE_INSTANCE(0);
-
-// tinyusb function that handles power event (detected, ready, removed)
-// We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
-extern void tusb_hal_nrf_power_event(uint32_t event);
-
-void board_init(void)
-{
-  // stop LF clock just in case we jump from application without reset
-  NRF_CLOCK->TASKS_LFCLKSTOP = 1UL;
-
-  // Config clock source: XTAL or RC in sdk_config.h
-  NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);
-  NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
-
-  // LED
-  nrf_gpio_cfg_output(LED_PIN);
-  board_led_write(false);
-
-  // Button
-  nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
-
-  // 1ms tick timer
-  SysTick_Config(SystemCoreClock/1000);
-
-  // UART
-  nrfx_uarte_config_t uart_cfg =
-  {
-    .pseltxd   = UART_TX_PIN,
-    .pselrxd   = UART_RX_PIN,
-    .pselcts   = NRF_UARTE_PSEL_DISCONNECTED,
-    .pselrts   = NRF_UARTE_PSEL_DISCONNECTED,
-    .p_context = NULL,
-    .baudrate  = NRF_UARTE_BAUDRATE_115200, // CFG_BOARD_UART_BAUDRATE
-    .interrupt_priority = 7,
-    .hal_cfg = {
-      .hwfc      = NRF_UARTE_HWFC_DISABLED,
-      .parity    = NRF_UARTE_PARITY_EXCLUDED,
-    }
-  };
-
-  nrfx_uarte_init(&_uart_id, &uart_cfg, NULL); //uart_handler);
-
-  //------------- USB -------------//
-#if TUSB_OPT_DEVICE_ENABLED
-  // Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice
-  // 2 is highest for application
-  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;
-
-#ifdef SOFTDEVICE_PRESENT
-  uint8_t sd_en = false;
-  sd_softdevice_is_enabled(&sd_en);
-
-  if ( sd_en ) {
-    sd_power_usbdetected_enable(true);
-    sd_power_usbpwrrdy_enable(true);
-    sd_power_usbremoved_enable(true);
-
-    sd_power_usbregstatus_get(&usb_reg);
-  }else
-#endif
-  {
-    // Power module init
-    const nrfx_power_config_t pwr_cfg = { 0 };
-    nrfx_power_init(&pwr_cfg);
-
-    // Register tusb function as USB power handler
-    const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
-    nrfx_power_usbevt_init(&config);
-
-    nrfx_power_usbevt_enable();
-
-    usb_reg = NRF_POWER->USBREGSTATUS;
-  }
-
-  if ( usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
-  if ( usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk  ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
-#endif
-}
-
-//--------------------------------------------------------------------+
-// Board porting API
-//--------------------------------------------------------------------+
-
-void board_led_write(bool state)
-{
-  nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
-}
-
-uint32_t board_button_read(void)
-{
-  // button is active LOW
-  return (nrf_gpio_pin_read(BUTTON_PIN) ? 0 : 1);
-}
-
-int board_uart_read(uint8_t* buf, int len)
-{
-  (void) buf; (void) len;
-  return 0;
-//  return NRFX_SUCCESS == nrfx_uart_rx(&_uart_id, buf, (size_t) len) ? len : 0;
-}
-
-int board_uart_write(void const * buf, int len)
-{
-  return (NRFX_SUCCESS == nrfx_uarte_tx(&_uart_id, (uint8_t const*) buf, (size_t) len)) ? len : 0;
-}
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-volatile uint32_t system_ticks = 0;
-void SysTick_Handler (void)
-{
-  system_ticks++;
-}
-
-uint32_t board_millis(void)
-{
-  return system_ticks;
-}
-#endif
-
-#ifdef SOFTDEVICE_PRESENT
-// process SOC event from SD
-uint32_t proc_soc(void)
-{
-  uint32_t soc_evt;
-  uint32_t err = sd_evt_get(&soc_evt);
-
-  if (NRF_SUCCESS == err)
-  {
-    /*------------- usb power event handler -------------*/
-    int32_t usbevt = (soc_evt == NRF_EVT_POWER_USB_DETECTED   ) ? NRFX_POWER_USB_EVT_DETECTED:
-                     (soc_evt == NRF_EVT_POWER_USB_POWER_READY) ? NRFX_POWER_USB_EVT_READY   :
-                     (soc_evt == NRF_EVT_POWER_USB_REMOVED    ) ? NRFX_POWER_USB_EVT_REMOVED : -1;
-
-    if ( usbevt >= 0) tusb_hal_nrf_power_event(usbevt);
-  }
-
-  return err;
-}
-
-uint32_t proc_ble(void)
-{
-  // do nothing with ble
-  return NRF_ERROR_NOT_FOUND;
-}
-
-void SD_EVT_IRQHandler(void)
-{
-  // process BLE and SOC until there is no more events
-  while( (NRF_ERROR_NOT_FOUND != proc_ble()) || (NRF_ERROR_NOT_FOUND != proc_soc()) )
-  {
-
-  }
-}
-
-void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info)
-{
-  (void) id;
-  (void) pc;
-  (void) info;
-}
-#endif

hw/bsp/nrf/boards/adafruit_clue/board.h

@@ -34,15 +34,16 @@
 #define _PINNUM(port, pin)    ((port)*32 + (pin))
 
 // LED
-#define LED_PIN         _PINNUM(1, 1)
-#define LED_STATE_ON    1
+#define LED_PIN               _PINNUM(1, 1)
+#define LED_STATE_ON          1
 
 // Button
-#define BUTTON_PIN      _PINNUM(1, 02)
+#define BUTTON_PIN            _PINNUM(1, 02)
+#define BUTTON_STATE_ACTIVE   0
 
 // UART
-#define UART_RX_PIN     4
-#define UART_TX_PIN     5
+#define UART_RX_PIN           4
+#define UART_TX_PIN           5
 
 #ifdef __cplusplus
  }

hw/bsp/nrf/boards/circuitplayground_bluefruit/board.mk

@@ -0,0 +1,2 @@
+# flash using adafruit-nrfutil dfu
+flash: flash-adafruit-nrfutil

hw/bsp/nrf/boards/feather_nrf52840_express/board.h

@@ -39,6 +39,7 @@
 
 // Button
 #define BUTTON_PIN      _PINNUM(1, 02)
+#define BUTTON_STATE_ACTIVE   0
 
 // UART
 #define UART_RX_PIN     24

hw/bsp/nrf/boards/feather_nrf52840_sense/board.h

@@ -39,6 +39,7 @@
 
 // Button
 #define BUTTON_PIN      _PINNUM(1, 02)
+#define BUTTON_STATE_ACTIVE   0
 
 // UART
 #define UART_RX_PIN     24

hw/bsp/nrf/boards/itsybitsy_nrf52840/board.h

@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN         _PINNUM(0, 6)
+#define LED_STATE_ON    1
+
+// Button
+#define BUTTON_PIN      _PINNUM(0, 29)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN     25
+#define UART_TX_PIN     24
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/nrf/boards/itsybitsy_nrf52840/board.mk

@@ -0,0 +1,2 @@
+# flash using adafruit-nrfutil dfu
+flash: flash-adafruit-nrfutil

hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.h

@@ -0,0 +1,52 @@
+/* 
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, Ha Thach (tinyusb.org)
+ *
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define _PINNUM(port, pin)    ((port)*32 + (pin))
+
+// LED
+#define LED_PIN               _PINNUM(0, 23)
+#define LED_STATE_ON          0
+
+// Button
+#define BUTTON_PIN            _PINNUM(0, 18)
+#define BUTTON_STATE_ACTIVE   0
+
+// UART
+#define UART_RX_PIN           2
+#define UART_TX_PIN           3
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */

hw/bsp/nrf/boards/nrf52840_mdk_dongle/board.mk

@@ -0,0 +1,12 @@
+LD_FILE ?= hw/bsp/nrf/boards/$(BOARD)/$(BOARD).ld
+
+# flash using Nordic nrfutil (pip3 install nrfutil)
+# 	make BOARD=nrf52840_mdk_dongle SERIAL=/dev/ttyACM0 all flash
+NRFUTIL = nrfutil
+
+$(BUILD)/$(BOARD)-firmware-nrfutil.zip: $(BUILD)/$(BOARD)-firmware.hex
+	$(NRFUTIL) pkg generate --hw-version 52 --sd-req 0x0000 --debug-mode --application $^ $@
+
+flash: $(BUILD)/$(BOARD)-firmware-nrfutil.zip
+	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
+	$(NRFUTIL) dfu usb-serial --package $^ -p $(SERIAL) -b 115200

hw/bsp/nrf/family.c

@@ -145,8 +145,7 @@ void board_led_write(bool state)
 
 uint32_t board_button_read(void)
 {
-  // button is active LOW
-  return (nrf_gpio_pin_read(BUTTON_PIN) ? 0 : 1);
+  return BUTTON_STATE_ACTIVE == nrf_gpio_pin_read(BUTTON_PIN);
 }
 
 int board_uart_read(uint8_t* buf, int len)

hw/bsp/nrf/family.mk

@@ -19,7 +19,7 @@ CFLAGS += -Wno-error=cast-function-type
 endif
 
 # All source paths should be relative to the top level.
-LD_FILE = hw/bsp/nrf/boards/$(BOARD)/nrf52840_s140_v6.ld
+LD_FILE ?= hw/bsp/nrf/boards/$(BOARD)/nrf52840_s140_v6.ld
 
 LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
 

hw/bsp/nrf52840_mdk_dongle/board.mk

@@ -1,61 +0,0 @@
-CFLAGS += \
-  -flto \
-  -mthumb \
-  -mabi=aapcs \
-  -mcpu=cortex-m4 \
-  -mfloat-abi=hard \
-  -mfpu=fpv4-sp-d16 \
-  -DNRF52840_XXAA \
-  -DCFG_TUSB_MCU=OPT_MCU_NRF5X
-
-# suppress warning caused by vendor mcu driver
-CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
-
-# due to tusb_hal_nrf_power_event
-GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
-ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
-CFLAGS += -Wno-error=cast-function-type
-endif
-
-# All source paths should be relative to the top level.
-LD_FILE = hw/bsp/$(BOARD)/$(BOARD).ld
-
-LDFLAGS += -L$(TOP)/hw/mcu/nordic/nrfx/mdk
-
-SRC_C += \
-	hw/mcu/nordic/nrfx/drivers/src/nrfx_power.c \
-	hw/mcu/nordic/nrfx/mdk/system_nrf52840.c \
-
-INC += \
-	$(TOP)/lib/CMSIS_4/CMSIS/Include \
-	$(TOP)/hw/mcu/nordic \
-	$(TOP)/hw/mcu/nordic/nrfx \
-	$(TOP)/hw/mcu/nordic/nrfx/mdk \
-	$(TOP)/hw/mcu/nordic/nrfx/hal \
-	$(TOP)/hw/mcu/nordic/nrfx/drivers/include \
-	$(TOP)/hw/mcu/nordic/nrfx/drivers/src \
-
-SRC_S += hw/mcu/nordic/nrfx/mdk/gcc_startup_nrf52840.S
-
-ASFLAGS += -D__HEAP_SIZE=0
-
-# For TinyUSB port source
-VENDOR = nordic
-CHIP_FAMILY = nrf5x
-
-# For freeRTOS port source
-FREERTOS_PORT = ARM_CM4F
-
-# For flash-jlink target
-JLINK_DEVICE = nRF52840_xxAA
-
-# flash using Nordic nrfutil (pip2 install nrfutil)
-# 	make BOARD=nrf52840_mdk_dongle SERIAL=/dev/ttyACM0 all flash
-NRFUTIL = nrfutil
-
-$(BUILD)/$(BOARD)-firmware.zip: $(BUILD)/$(BOARD)-firmware.hex
-	$(NRFUTIL) pkg generate --hw-version 52 --sd-req 0x0000 --debug-mode --application $^ $@
-
-flash: $(BUILD)/$(BOARD)-firmware.zip
-	@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
-	$(NRFUTIL) dfu usb-serial --package $^ -p $(SERIAL) -b 115200

hw/bsp/nrf52840_mdk_dongle/nrf52840_mdk_dongle.c

@@ -1,198 +0,0 @@
-/* 
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * 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.
- *
- * This file is part of the TinyUSB stack.
- */
-
-#include "bsp/board.h"
-
-#include "nrfx.h"
-#include "nrfx/hal/nrf_gpio.h"
-#include "nrfx/drivers/include/nrfx_power.h"
-
-#ifdef SOFTDEVICE_PRESENT
-#include "nrf_sdm.h"
-#include "nrf_soc.h"
-#endif
-
-//--------------------------------------------------------------------+
-// Forward USB interrupt events to TinyUSB IRQ Handler
-//--------------------------------------------------------------------+
-void USBD_IRQHandler(void)
-{
-  tud_int_handler(0);
-}
-
-/*------------------------------------------------------------------*/
-/* MACRO TYPEDEF CONSTANT ENUM
- *------------------------------------------------------------------*/
-#define LED_PIN               23
-#define LED_STATE_ON          0
-
-// Button 1
-#define BUTTON_PIN            18
-#define BUTTON_STATE_ACTIVE   0
-
-// tinyusb function that handles power event (detected, ready, removed)
-// We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
-extern void tusb_hal_nrf_power_event(uint32_t event);
-
-void board_init(void)
-{
-  // Config clock source: XTAL or RC in sdk_config.h
-  NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);
-  NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
-
-  // LED
-  nrf_gpio_cfg_output(LED_PIN);
-  board_led_write(false);
-
-  // Button
-  nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-  // 1ms tick timer
-  SysTick_Config(SystemCoreClock/1000);
-#endif
-
-#if TUSB_OPT_DEVICE_ENABLED
-  // Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice
-  // 2 is highest for application
-  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;
-
-#ifdef SOFTDEVICE_PRESENT
-  uint8_t sd_en = false;
-  sd_softdevice_is_enabled(&sd_en);
-
-  if ( sd_en ) {
-    sd_power_usbdetected_enable(true);
-    sd_power_usbpwrrdy_enable(true);
-    sd_power_usbremoved_enable(true);
-
-    sd_power_usbregstatus_get(&usb_reg);
-  }else
-#endif
-  {
-    // Power module init
-    const nrfx_power_config_t pwr_cfg = { 0 };
-    nrfx_power_init(&pwr_cfg);
-
-    // Register tusb function as USB power handler
-    const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
-    nrfx_power_usbevt_init(&config);
-
-    nrfx_power_usbevt_enable();
-
-    usb_reg = NRF_POWER->USBREGSTATUS;
-  }
-
-  if ( usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
-  if ( usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk  ) tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
-#endif
-}
-
-//--------------------------------------------------------------------+
-// Board porting API
-//--------------------------------------------------------------------+
-
-void board_led_write(bool state)
-{
-  nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
-}
-
-uint32_t board_button_read(void)
-{
-  return BUTTON_STATE_ACTIVE == nrf_gpio_pin_read(BUTTON_PIN);
-}
-
-int board_uart_read(uint8_t* buf, int len)
-{
-  (void) buf; (void) len;
-  return 0;
-}
-
-int board_uart_write(void const * buf, int len)
-{
-  (void) buf; (void) len;
-  return 0;
-}
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-volatile uint32_t system_ticks = 0;
-void SysTick_Handler (void)
-{
-  system_ticks++;
-}
-
-uint32_t board_millis(void)
-{
-  return system_ticks;
-}
-#endif
-
-#ifdef SOFTDEVICE_PRESENT
-// process SOC event from SD
-uint32_t proc_soc(void)
-{
-  uint32_t soc_evt;
-  uint32_t err = sd_evt_get(&soc_evt);
-
-  if (NRF_SUCCESS == err)
-  {
-    /*------------- usb power event handler -------------*/
-    int32_t usbevt = (soc_evt == NRF_EVT_POWER_USB_DETECTED   ) ? NRFX_POWER_USB_EVT_DETECTED:
-                     (soc_evt == NRF_EVT_POWER_USB_POWER_READY) ? NRFX_POWER_USB_EVT_READY   :
-                     (soc_evt == NRF_EVT_POWER_USB_REMOVED    ) ? NRFX_POWER_USB_EVT_REMOVED : -1;
-
-    if ( usbevt >= 0) tusb_hal_nrf_power_event(usbevt);
-  }
-
-  return err;
-}
-
-uint32_t proc_ble(void)
-{
-  // do nothing with ble
-  return NRF_ERROR_NOT_FOUND;
-}
-
-void SD_EVT_IRQHandler(void)
-{
-  // process BLE and SOC until there is no more events
-  while( (NRF_ERROR_NOT_FOUND != proc_ble()) || (NRF_ERROR_NOT_FOUND != proc_soc()) )
-  {
-
-  }
-}
-
-void nrf_error_cb(uint32_t id, uint32_t pc, uint32_t info)
-{
-  (void) id;
-  (void) pc;
-  (void) info;
-}
-#endif