PPP: Add CYW43 wireless.

If we're bringing in lwip and networking, this variant might as well
support CYW43.

.github/workflows/micropython.yml

@@ -30,9 +30,9 @@ jobs:
         - name: pico_plus2_rp2350_psram
           board: PIMORONI_PICO_PLUS2
           variant: PSRAM
-        - name: pico_plus2_rp2350_psram_n_ppp
+        - name: pico_plus2_rp2350_wireless
           board: PIMORONI_PICO_PLUS2
-          variant: PPP
+          variant: WIRELESS
         - name: pico_plus2_rp2350
           board: PIMORONI_PICO_PLUS2
 

micropython/board/PIMORONI_PICO_PLUS2/manifest-wireless.py

@@ -1,5 +1,8 @@
 require("bundle-networking")
 
+# Bluetooth
+require("aioble")
+
 include("manifest.py")
 
 freeze("$(BOARD_DIR)/../../modules_py", "lte.py")

micropython/board/PIMORONI_PICO_PLUS2/mpconfigboard.h

@@ -7,19 +7,39 @@
 
 #define MICROPY_HW_PSRAM_CS_PIN                 PIMORONI_PICO_PLUS2_PSRAM_CS_PIN
 
-#ifdef PPP_ENABLE_PPP
+// Might be defined in mpconfigvariant_PSRAM.cmake
+// or mpconfigvariant_PPP.cmake
+#if defined(MICROPY_HW_ENABLE_PSRAM)
 
-// Enable networking.
-#define MICROPY_PY_NETWORK                      1
-#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT     "Pico"
+#define MICROPY_GC_SPLIT_HEAP                   (1)
 
-#define MICROPY_PY_NETWORK_PPP_LWIP             1
+#endif
 
-#define MICROPY_HW_NIC_PPP                      { MP_ROM_QSTR(MP_QSTR_PINT), MP_ROM_PTR(&mp_network_ppp_lwip_type) },
+// Set up networking.
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT     "PPP2"
+
+#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
+
+#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)
+
+// TODO: This should be upstreamed to mpconfigport.h
+#define MICROPY_HW_NIC_PPP                      { MP_ROM_QSTR(MP_QSTR_PPP), MP_ROM_PTR(&mp_network_ppp_lwip_type) },
 
 #define MICROPY_BOARD_NETWORK_INTERFACES \
     MICROPY_HW_NIC_PPP
 
-#define MICROPY_PY_SOCKET_EXTENDED_STATE        1
+#define MICROPY_PY_SOCKET_EXTENDED_STATE        (1)
 
 #endif

micropython/board/PIMORONI_PICO_PLUS2/mpconfigvariant_PPP.cmake

@@ -1,11 +0,0 @@
-# Override the MicroPython board name
-list(APPEND MICROPY_DEF_BOARD
-    "MICROPY_HW_ENABLE_PSRAM=1"
-    "MICROPY_GC_SPLIT_HEAP=1"
-    "MICROPY_HW_BOARD_NAME=\"Pimoroni Pico Plus 2 (LTE + PSRAM)\""
-    "PPP_ENABLE_PPP=1"
-)
-
-set(MICROPY_PY_LWIP ON)
-
-set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest-ppp.py)

micropython/board/PIMORONI_PICO_PLUS2/mpconfigvariant_PSRAM.cmake

@@ -1,6 +1,6 @@
 # Override the MicroPython board name
+# And set basic options which are expanded upon in mpconfigboard.h
 list(APPEND MICROPY_DEF_BOARD
-    "MICROPY_HW_ENABLE_PSRAM=1"
-    "MICROPY_GC_SPLIT_HEAP=1"
     "MICROPY_HW_BOARD_NAME=\"Pimoroni Pico Plus 2 (PSRAM)\""
+    "MICROPY_HW_ENABLE_PSRAM=1"
 )

micropython/board/PIMORONI_PICO_PLUS2/mpconfigvariant_WIRELESS.cmake

@@ -0,0 +1,36 @@
+# 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=\"Pimoroni Pico Plus 2 (Wireless + PSRAM)\""
+    "MICROPY_HW_ENABLE_PSRAM=1"
+    "MICROPY_PY_NETWORK=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)

micropython/board/PIMORONI_PICO_PLUS2/pins.csv

@@ -44,4 +44,9 @@ GP44,GPIO44
 GP45,GPIO45
 GP46,GPIO46
 GP47,GPIO47
-LED,GPIO25
+LED,GPIO25
+SPICE_TX,GPIO32
+SPICE_RX,GPIO33
+SPICE_NETLIGHT,GPIO34
+SPICE_RESET,GPIO35
+SPICE_PWRKEY,GPIO36