Adding Arduino Nano RP2040 Connect

Re-commiting to fix local GitHub config issues. Adding CircuitPython support for the Arduino Nano RP2040 Connect. Have tested all digital and analog I/O, I2C, onboard LSM6DSOX. Uses the AT25SF128A external flash.

.github/workflows/build.yml

@@ -190,6 +190,7 @@ jobs:
         - "arduino_mkrzero"
         - "arduino_nano_33_ble"
         - "arduino_nano_33_iot"
+        - "arduino_nano_rp2040_connect"
         - "arduino_zero"
         - "bast_pro_mini_m0"
         - "bastble"

data/nvm.toml

@@ -1 +1 @@
-Subproject commit 9b4a5241d8c3310b31a7925a4f2160743890a2e4
+Subproject commit e5b149599d14a8841167fe552846ca36925b87a0

ports/raspberrypi/boards/arduino_nano_rp2040_connect/board.c

@@ -0,0 +1,37 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 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 "supervisor/board.h"
+
+void board_init(void) {
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+}

ports/raspberrypi/boards/arduino_nano_rp2040_connect/mpconfigboard.h

@@ -0,0 +1,14 @@
+#define MICROPY_HW_BOARD_NAME "Arduino Nano RP2040 Connect"
+#define MICROPY_HW_MCU_NAME "rp2040"
+
+#define MICROPY_HW_LED_STATUS (&pin_GPIO6)
+
+#define DEFAULT_I2C_BUS_SCL (&pin_GPIO13)
+#define DEFAULT_I2C_BUS_SDA (&pin_GPIO12)
+
+#define DEFAULT_SPI_BUS_SCK (&pin_GPIO14)
+#define DEFAULT_SPI_BUS_MOSI (&pin_GPIO7)
+#define DEFAULT_SPI_BUS_MISO (&pin_GPIO4)
+
+#define DEFAULT_UART_BUS_RX (&pin_GPIO1)
+#define DEFAULT_UART_BUS_TX (&pin_GPIO0)

ports/raspberrypi/boards/arduino_nano_rp2040_connect/mpconfigboard.mk

@@ -0,0 +1,11 @@
+USB_VID = 0x2E8A
+USB_PID = 0x0003
+USB_PRODUCT = "Arduino Nano RP2040 Connect"
+USB_MANUFACTURER = "Arduino"
+
+CHIP_VARIANT = RP2040
+CHIP_FAMILY = rp2
+
+EXTERNAL_FLASH_DEVICES = "AT25SF128A"
+
+CIRCUITPY__EVE = 1

ports/raspberrypi/boards/arduino_nano_rp2040_connect/pins.c

@@ -0,0 +1,46 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_global_dict_table[] = {
+    { MP_ROM_QSTR(MP_QSTR_A0), MP_ROM_PTR(&pin_GPIO26) },
+    { MP_ROM_QSTR(MP_QSTR_A1), MP_ROM_PTR(&pin_GPIO27) },
+    { MP_ROM_QSTR(MP_QSTR_A2), MP_ROM_PTR(&pin_GPIO28) },
+    { MP_ROM_QSTR(MP_QSTR_A3), MP_ROM_PTR(&pin_GPIO29) },
+    { MP_ROM_QSTR(MP_QSTR_A4), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_INT1), MP_ROM_PTR(&pin_GPIO24) },
+    { MP_ROM_QSTR(MP_QSTR_D2), MP_ROM_PTR(&pin_GPIO25) },
+    { MP_ROM_QSTR(MP_QSTR_D3), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_D4), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO17) },
+    { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_GPIO19) },
+    { MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_D9), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_D10), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_D11), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_D12), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_D13), MP_ROM_PTR(&pin_GPIO6) },
+
+    { MP_ROM_QSTR(MP_QSTR_D1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_D0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO0) },
+
+    { MP_ROM_QSTR(MP_QSTR_MIC_CLK), MP_ROM_PTR(&pin_GPIO23) },
+    { MP_ROM_QSTR(MP_QSTR_MIC_DOUT), MP_ROM_PTR(&pin_GPIO22) },
+
+    { MP_ROM_QSTR(MP_QSTR_SCK), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_GPIO0), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_RSTN_NINA), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_MISO), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_CS), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_MOSI), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_SDA), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_SCL), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_LED), MP_ROM_PTR(&pin_GPIO6) },
+
+    { 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) },
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_global_dict_table);