Pico2: Add WIRELESS variant for LTE + WiFi modules.

.github/workflows/micropython.yml

@@ -21,6 +21,9 @@ jobs:
         include:
         - name: pico2_rp2350
           board: RPI_PICO2
+        - name: pico2_rp2350_wireless
+          board: RPI_PICO2
+          variant: WIRELESS
         - name: pico2b_rp2350
           board: RPI_PICO2B
         - name: plasma2350

micropython/board/RPI_PICO2/manifest-wireless.py

@@ -0,0 +1,8 @@
+require("bundle-networking")
+
+# Bluetooth
+require("aioble")
+
+include("manifest.py")
+
+freeze("$(BOARD_DIR)/../../modules_py", "lte.py")

micropython/board/RPI_PICO2/mpconfigboard.h

@@ -1,3 +1,52 @@
 // Board and hardware specific configuration
-#define MICROPY_HW_BOARD_NAME                   "Raspberry Pi Pico"
-#define MICROPY_HW_FLASH_STORAGE_BYTES          (PICO_FLASH_SIZE_BYTES - 1024 * 1024)
+#define MICROPY_HW_FLASH_STORAGE_BYTES          (PICO_FLASH_SIZE_BYTES - (2 * 1024 * 1024))
+
+// Set up networking.
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT     "Pico2"
+
+#if defined(MICROPY_PY_NETWORK_CYW43)
+
+// CYW43 driver configuration.
+#define CYW43_USE_SPI                           (1)
+#define CYW43_LWIP                              (1)
+#define CYW43_GPIO                              (1)
+#define CYW43_SPI_PIO                           (1)
+
+#define MICROPY_HW_PIN_EXT_COUNT                CYW43_WL_GPIO_COUNT
+
+#if defined(CYW43_PIN_WL_DYNAMIC)
+
+#define CYW43_PIO_CLOCK_DIV_DYNAMIC             (1)
+
+// Defined by pimoroni_pico_plus2w_rp2350.h
+//#define CYW43_DEFAULT_PIN_WL_HOST_WAKE          SPICE_RESET_MOSI_PIN
+//#define CYW43_DEFAULT_PIN_WL_REG_ON             SPICE_TX_MISO_PIN
+#define CYW43_DEFAULT_PIN_WL_DATA_OUT           CYW43_DEFAULT_PIN_WL_HOST_WAKE
+#define CYW43_DEFAULT_PIN_WL_DATA_IN            CYW43_DEFAULT_PIN_WL_HOST_WAKE
+#define CYW43_DEFAULT_PIN_WL_CLOCK              29u
+#define CYW43_DEFAULT_PIN_WL_CS                 25u
+
+// Slow down the wireless clock, since we'll be running
+// comms through wiring spaghetti!
+#define CYW43_PIO_CLOCK_DIV_INT                 50
+#define CYW43_PIO_CLOCK_DIV_FRAC                0
+#define CYW43_SPI_PROGRAM_NAME                  spi_gap0_sample1
+
+#endif
+
+#endif
+
+// Might be defined in mpconfigvariant_PPP.cmake
+// This is not checked by mpconfigport.h so we must set up networking below
+#if defined(MICROPY_PY_NETWORK_PPP_LWIP)
+
+// Nothing to do here?
+
+#endif
+
+// If a variant is not used, define a fallback board name
+#ifndef MICROPY_HW_BOARD_NAME
+
+#define MICROPY_HW_BOARD_NAME                   "Raspberry Pi Pico 2"
+
+#endif

micropython/board/RPI_PICO2/mpconfigvariant_WIRELESS.cmake

@@ -0,0 +1,40 @@
+# Override the MicroPython board name
+# And set basic options which are expanded upon in mpconfigboard.h
+list(APPEND MICROPY_DEF_BOARD
+    "MICROPY_HW_BOARD_NAME=\"Raspberry Pi Pico 2 (LTE + WiFi)\""
+    "MICROPY_PY_NETWORK=1"
+    "CYW43_PIN_WL_DYNAMIC=1"
+    "MICROPY_PY_NETWORK_PPP_LWIP=1"
+)
+
+# Links micropy_lib_lwip and sets MICROPY_PY_LWIP = 1
+# Picked up and expanded upon in mpconfigboard.h
+set(MICROPY_PY_LWIP ON)
+
+# Links cyw43-driver and sets:
+# MICROPY_PY_NETWORK_CYW43 = 1,
+# MICROPY_PY_SOCKET_DEFAULT_TIMEOUT_MS = 30000
+set(MICROPY_PY_NETWORK_CYW43 ON)
+
+# Adds mpbthciport.c
+# And sets:
+# MICROPY_PY_BLUETOOTH = 1,
+# MICROPY_PY_BLUETOOTH_USE_SYNC_EVENTS = 1,
+# MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE = 1
+set(MICROPY_PY_BLUETOOTH ON)
+
+# Links pico_btstack_hci_transport_cyw43
+# And sets:
+# MICROPY_BLUETOOTH_BTSTACK = 1,
+# MICROPY_BLUETOOTH_BTSTACK_CONFIG_FILE =
+set(MICROPY_BLUETOOTH_BTSTACK ON)
+
+# Sets:
+# CYW43_ENABLE_BLUETOOTH = 1,
+# MICROPY_PY_BLUETOOTH_CYW43 = 1
+set(MICROPY_PY_BLUETOOTH_CYW43 ON)
+
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest-wireless.py)
+
+set(PICO_BOARD "pico2_w.h")
+set(PICO_BOARD_HEADER_DIRS ${CMAKE_CURRENT_LIST_DIR})

micropython/board/RPI_PICO2/pico2_w.h

@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2024 Raspberry Pi (Trading) Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+// -----------------------------------------------------
+// NOTE: THIS HEADER IS ALSO INCLUDED BY ASSEMBLER SO
+//       SHOULD ONLY CONSIST OF PREPROCESSOR DIRECTIVES
+// -----------------------------------------------------
+
+// This header may be included by other board headers as "boards/pico2_w.h"
+
+// pico_cmake_set PICO_PLATFORM=rp2350
+// pico_cmake_set PICO_CYW43_SUPPORTED = 1
+
+#ifndef _BOARDS_PICO2_W_H
+#define _BOARDS_PICO2_W_H
+
+// For board detection
+#define RASPBERRYPI_PICO2_W
+
+// --- RP2350 VARIANT ---
+#define PICO_RP2350A 1
+
+// --- UART ---
+#ifndef PICO_DEFAULT_UART
+#define PICO_DEFAULT_UART 0
+#endif
+#ifndef PICO_DEFAULT_UART_TX_PIN
+#define PICO_DEFAULT_UART_TX_PIN 0
+#endif
+#ifndef PICO_DEFAULT_UART_RX_PIN
+#define PICO_DEFAULT_UART_RX_PIN 1
+#endif
+
+// --- LED ---
+// no PICO_DEFAULT_LED_PIN - LED is on Wireless chip
+// no PICO_DEFAULT_WS2812_PIN
+
+// --- I2C ---
+#ifndef PICO_DEFAULT_I2C
+#define PICO_DEFAULT_I2C 0
+#endif
+#ifndef PICO_DEFAULT_I2C_SDA_PIN
+#define PICO_DEFAULT_I2C_SDA_PIN 4
+#endif
+#ifndef PICO_DEFAULT_I2C_SCL_PIN
+#define PICO_DEFAULT_I2C_SCL_PIN 5
+#endif
+
+// --- SPI ---
+#ifndef PICO_DEFAULT_SPI
+#define PICO_DEFAULT_SPI 0
+#endif
+#ifndef PICO_DEFAULT_SPI_SCK_PIN
+#define PICO_DEFAULT_SPI_SCK_PIN 18
+#endif
+#ifndef PICO_DEFAULT_SPI_TX_PIN
+#define PICO_DEFAULT_SPI_TX_PIN 19
+#endif
+#ifndef PICO_DEFAULT_SPI_RX_PIN
+#define PICO_DEFAULT_SPI_RX_PIN 16
+#endif
+#ifndef PICO_DEFAULT_SPI_CSN_PIN
+#define PICO_DEFAULT_SPI_CSN_PIN 17
+#endif
+
+// --- FLASH ---
+
+#define PICO_BOOT_STAGE2_CHOOSE_W25Q080 1
+
+#ifndef PICO_FLASH_SPI_CLKDIV
+#define PICO_FLASH_SPI_CLKDIV 2
+#endif
+
+// pico_cmake_set_default PICO_FLASH_SIZE_BYTES = (4 * 1024 * 1024)
+#ifndef PICO_FLASH_SIZE_BYTES
+#define PICO_FLASH_SIZE_BYTES (4 * 1024 * 1024)
+#endif
+// Drive high to force power supply into PWM mode (lower ripple on 3V3 at light loads)
+// note the SMSP mode pin is on WL_GPIO1
+
+#ifndef CYW43_WL_GPIO_COUNT
+#define CYW43_WL_GPIO_COUNT 3
+#endif
+
+#ifndef CYW43_WL_GPIO_LED_PIN
+#define CYW43_WL_GPIO_LED_PIN 0
+#endif
+
+// If CYW43_WL_GPIO_VBUS_PIN is defined then a CYW43 GPIO has to be used to read VBUS.
+// This can be passed to cyw43_arch_gpio_get to determine if the device is battery powered.
+// PICO_VBUS_PIN and CYW43_WL_GPIO_VBUS_PIN should not both be defined.
+#ifndef CYW43_WL_GPIO_VBUS_PIN
+#define CYW43_WL_GPIO_VBUS_PIN 2
+#endif
+
+// If CYW43_USES_VSYS_PIN is defined then CYW43 uses the VSYS GPIO (defined by PICO_VSYS_PIN) for other purposes.
+// If this is the case, to use the VSYS GPIO it's necessary to ensure CYW43 is not using it.
+// This can be achieved by wrapping the use of the VSYS GPIO in cyw43_thread_enter / cyw43_thread_exit.
+#ifndef CYW43_USES_VSYS_PIN
+#define CYW43_USES_VSYS_PIN 1
+#endif
+
+// The GPIO Pin used to monitor VSYS. Typically you would use this with ADC.
+// There is an example in adc/read_vsys in pico-examples.
+#ifndef PICO_VSYS_PIN
+#define PICO_VSYS_PIN 29
+#endif
+
+#ifndef PICO_RP2350_A2_SUPPORTED
+#define PICO_RP2350_A2_SUPPORTED 1
+#endif
+
+#endif