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patches: add mbed-os Stella target
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‎patches/0262-Add-Stella-target.patch‎

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From f614bf292a8405d9aac19cc7cc83a184ccb236bd Mon Sep 17 00:00:00 2001
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From: pennam <[email protected]>
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Date: Mon, 30 Jun 2025 14:15:01 +0200
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Subject: [PATCH] Add Stella target
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---
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.../TARGET_STELLA/PinNames.h | 246 ++++++++++++++++++
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.../TARGET_STELLA/device.h | 39 +++
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targets/targets.json | 19 ++
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3 files changed, 304 insertions(+)
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create mode 100644 targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/PinNames.h
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create mode 100644 targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/device.h
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diff --git a/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/PinNames.h b/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/PinNames.h
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new file mode 100644
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index 0000000000..8d7031f4d1
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--- /dev/null
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+++ b/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/PinNames.h
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@@ -0,0 +1,246 @@
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+/*
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+ * Copyright (c) 2019 Arduino SA
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+ *
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+ * Licensed under the Apache License, Version 2.0 (the "License");
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+ * you may not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+
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+/* MBED TARGET LIST: ARDUINO_NANO33BLE */
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+
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+#ifndef MBED_PINNAMES_H
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+#define MBED_PINNAMES_H
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+
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+#include "cmsis.h"
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+#include "nrf_gpio.h"
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+
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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+
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+typedef enum {
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+ PIN_INPUT,
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+ PIN_OUTPUT
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+} PinDirection;
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+
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+///> define macro producing for example Px_y = NRF_GPIO_PIN_MAP(x, y)
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+#define PinDef(port_num, pin_num) P##port_num##_##pin_num = NRF_GPIO_PIN_MAP(port_num, pin_num)
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+
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+
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+typedef enum {
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+ PinDef(0 , 0), // P0_0 = 0...
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+ PinDef(0 , 1),
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+ PinDef(0 , 2),
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+ PinDef(0 , 3),
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+ PinDef(0 , 4),
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+ PinDef(0 , 5),
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+ PinDef(0 , 6),
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+ PinDef(0 , 7),
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+ PinDef(0 , 8),
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+ PinDef(0 , 9),
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+ PinDef(0 , 10),
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+ PinDef(0 , 11),
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+ PinDef(0 , 12),
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+ PinDef(0 , 13),
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+ PinDef(0 , 14),
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+ PinDef(0 , 15),
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+ PinDef(0 , 16),
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+ PinDef(0 , 17),
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+ PinDef(0 , 18),
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+ PinDef(0 , 19),
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+ PinDef(0 , 20),
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+ PinDef(0 , 21),
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+ PinDef(0 , 22),
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+ PinDef(0 , 23),
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+ PinDef(0 , 24),
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+ PinDef(0 , 25),
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+ PinDef(0 , 26),
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+ PinDef(0 , 27),
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+ PinDef(0 , 28),
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+ PinDef(0 , 29),
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+ PinDef(0 , 30),
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+ PinDef(0 , 31),
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+
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+ PinDef(1 , 0), //P1_1 = 32...
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+ PinDef(1 , 1),
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+ PinDef(1 , 2),
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+ PinDef(1 , 3),
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+ PinDef(1 , 4),
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+ PinDef(1 , 5),
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+ PinDef(1 , 6),
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+ PinDef(1 , 7),
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+ PinDef(1 , 8),
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+ PinDef(1 , 9),
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+ PinDef(1 , 10),
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+ PinDef(1 , 11),
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+ PinDef(1 , 12),
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+ PinDef(1 , 13),
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+ PinDef(1 , 14),
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+ PinDef(1 , 15),
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+
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+ // Port0
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+ p0 = P0_0,
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+ p1 = P0_1,
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+ p2 = P0_2,
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+ p3 = P0_3,
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+ p4 = P0_4,
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+ p5 = P0_5,
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+ p6 = P0_6,
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+ p7 = P0_7,
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+ p8 = P0_8,
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+ p9 = P0_9,
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+ p10 = P0_10,
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+ p11 = P0_11,
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+ p12 = P0_12,
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+ p13 = P0_13,
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+ p14 = P0_14,
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+ p15 = P0_15,
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+ p16 = P0_16,
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+ p17 = P0_17,
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+ p18 = P0_18,
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+ p19 = P0_19,
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+ p20 = P0_20,
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+ p21 = P0_21,
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+ p22 = P0_22,
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+ p23 = P0_23,
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+ p24 = P0_24,
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+ p25 = P0_25,
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+ p26 = P0_26,
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+ p27 = P0_27,
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+ p28 = P0_28,
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+ p29 = P0_29,
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+ p30 = P0_30,
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+ p31 = P0_31,
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+
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+ // Port1
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+ p32 = P1_0,
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+ p33 = P1_1,
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+ p34 = P1_2,
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+ p35 = P1_3,
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+ p36 = P1_4,
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+ p37 = P1_5,
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+ p38 = P1_6,
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+ p39 = P1_7,
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+ p40 = P1_8,
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+ p41 = P1_9,
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+ p42 = P1_10,
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+ p43 = P1_11,
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+ p44 = P1_12,
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+ p45 = P1_13,
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+ p46 = P1_14,
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+ p47 = P1_15,
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+
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+ RX_PIN_NUMBER = P1_10,
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+ TX_PIN_NUMBER = P1_3,
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+
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+ LED_BUILTIN = P0_13,
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+ LED_POWER = P1_9,
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+
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+ LED_RED = p24,
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+ LED_GREEN = p16,
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+ LED_BLUE = p6,
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+
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+ LED1 = LED_BUILTIN,
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+ LED2 = LED_RED,
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+ LED3 = LED_GREEN,
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+ LED4 = LED_BLUE,
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+
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+ // mBed interface Pins
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+ CONSOLE_TX = TX_PIN_NUMBER,
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+ CONSOLE_RX = RX_PIN_NUMBER,
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+#if defined(MBED_CONF_TARGET_STDIO_UART_TX)
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+ STDIO_UART_TX = MBED_CONF_TARGET_STDIO_UART_TX,
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+#else
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+ STDIO_UART_TX = CONSOLE_TX,
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+#endif
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+#if defined(MBED_CONF_TARGET_STDIO_UART_RX)
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+ STDIO_UART_RX = MBED_CONF_TARGET_STDIO_UART_RX,
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+#else
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+ STDIO_UART_RX = CONSOLE_RX,
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+#endif
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+
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+ SPI_PSELMOSI0 = P1_1,
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+ SPI_PSELMISO0 = P1_8,
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+ SPI_PSELSS0 = P1_2,
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+ SPI_PSELSCK0 = P0_13,
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+
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+ SPIS_PSELMOSI = P1_1,
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+ SPIS_PSELMISO = P1_8,
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+ SPIS_PSELSS = P1_2,
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+ SPIS_PSELSCK = P0_13,
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+
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+ I2C_SDA0 = p31,
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+ I2C_SCL0 = p2,
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+
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+#ifndef ARDUINO_ARCH_MBED
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+ // Digital Pins
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+ D2 = P1_11,
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+ D3 = P1_12,
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+ D4 = P1_15,
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+ D5 = P1_13,
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+ D6 = P1_14,
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+ D7 = P0_23,
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+ D8 = P0_21,
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+ D9 = P0_27,
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+ D10 = P1_2,
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+ D11 = P1_1,
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+ D12 = P1_8,
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+ D13 = P0_13,
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+
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+ // Analog Pins
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+ A0 = p4,
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+ A1 = p5,
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+ A2 = p30,
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+ A3 = p29,
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+ A4 = p31,
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+ A5 = p2,
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+ A6 = p28,
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+ A7 = p3,
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+#endif
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+
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+ AIN0 = p4,
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+ AIN1 = p5,
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+ AIN2 = p30,
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+ AIN3 = p29,
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+ AIN6 = p28,
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+ AIN7 = p3,
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+
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+ // Arduino Nano 33 BLE Sense Pins
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+ VDD_ENV = p22,
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+ INT_APDS = p19,
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+
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+ I2C_SDA1 = p14,
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+ I2C_SCL1 = p15,
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+
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+ MIC_PWR = p17,
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+ PDM_CLK = p26,
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+ PDM_DIN = p25,
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+
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+ // Not connected
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+ NC = (int)0xFFFFFFFF,
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+
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+ STDIO_UART_RTS = NC,
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+ STDIO_UART_CTS = NC,
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+
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+} PinName;
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+
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+typedef enum {
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+ PullNone = 0,
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+ PullDown = 1,
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+ PullUp = 3,
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+ PullDefault = PullUp
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+} PinMode;
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+
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+#ifdef __cplusplus
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+}
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+#endif
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+
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+#endif
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diff --git a/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/device.h b/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/device.h
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new file mode 100644
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index 0000000000..a086e5b7f0
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--- /dev/null
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+++ b/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/TARGET_STELLA/device.h
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@@ -0,0 +1,39 @@
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+// The 'features' section in 'target.json' is now used to create the device's hardware preprocessor switches.
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+// Check the 'features' section of the target description in 'targets.json' for more details.
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+/* mbed Microcontroller Library
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+ * Copyright (c) 2006-2013 ARM Limited
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+ * SPDX-License-Identifier: Apache-2.0
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+ *
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+ * Licensed under the Apache License, Version 2.0 (the "License");
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+ * you may not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+#ifndef MBED_DEVICE_H
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+#define MBED_DEVICE_H
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+
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+#include "objects.h"
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+
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+#endif
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diff --git a/targets/targets.json b/targets/targets.json
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index 83fa8c930a..f69cbeef40 100644
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--- a/targets/targets.json
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+++ b/targets/targets.json
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@@ -7332,6 +7332,25 @@
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"CONFIG_GPIO_AS_PINRESET"
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]
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},
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+ "STELLA": {
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+ "inherits": [
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+ "MCU_NRF52840"
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+ ],
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+ "features_add": [
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+ "STORAGE"
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+ ],
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+ "components_remove": [
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+ "QSPIF"
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+ ],
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+ "device_has_add": ["WATCHDOG"],
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+ "device_has_remove": [
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+ "QSPI",
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+ "ITM"
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+ ],
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+ "macros_add": [
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+ "CONFIG_GPIO_AS_PINRESET"
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+ ]
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+ },
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"EDGE_CONTROL": {
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"inherits": ["MCU_NRF52840"],
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"features_add": ["STORAGE"],
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--
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2.47.2
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