PPP-enabled Pico build.

.github/workflows/micropython.yml

@@ -22,6 +22,8 @@ jobs:
           board: RPI_PICO
         - name: pico_usb
           board: RPI_PICO_USB
+        - name: pico_ppp
+          board: RPI_PICO_PPP
         - name: picow
           board: RPI_PICO_W
         - name: tiny2040_8mb

micropython/board/RPI_PICO_PPP/board.json

@@ -0,0 +1,20 @@
+{
+    "deploy": [
+        "../deploy.md"
+    ],
+    "docs": "",
+    "features": [
+        "Breadboard friendly",
+        "Castellated Pads",
+        "Micro USB"
+    ],
+    "id": "rp2-pico",
+    "images": [
+        "rp2-pico.jpg"
+    ],
+    "mcu": "rp2040",
+    "product": "Pico",
+    "thumbnail": "",
+    "url": "https://www.raspberrypi.com/products/raspberry-pi-pico/",
+    "vendor": "Raspberry Pi"
+}

micropython/board/RPI_PICO_PPP/manifest.py

@@ -0,0 +1,7 @@
+include("$(PORT_DIR)/boards/manifest.py")
+
+require("bundle-networking")
+
+include("../manifest_pico.py")
+
+freeze("../../modules_py", "lte.py")

micropython/board/RPI_PICO_PPP/mpconfigboard.cmake

@@ -0,0 +1,9 @@
+# cmake file for Raspberry Pi Pico
+set(PICO_BOARD "pico")
+
+set(MICROPY_PY_LWIP ON)
+
+# Board specific version of the frozen manifest
+set(MICROPY_FROZEN_MANIFEST ${MICROPY_BOARD_DIR}/manifest.py)
+
+set(MICROPY_C_HEAP_SIZE 4096)

micropython/board/RPI_PICO_PPP/mpconfigboard.h

@@ -0,0 +1,16 @@
+// Board and hardware specific configuration
+#define MICROPY_HW_BOARD_NAME                   "Raspberry Pi Pico"
+#define MICROPY_HW_FLASH_STORAGE_BYTES          (1024 * 1024)
+
+// Enable networking.
+#define MICROPY_PY_NETWORK                      1
+#define MICROPY_PY_NETWORK_HOSTNAME_DEFAULT     "Pico"
+
+#define MICROPY_PY_NETWORK_PPP_LWIP             1
+
+#define MICROPY_HW_NIC_PPP                      { MP_ROM_QSTR(MP_QSTR_PINT), MP_ROM_PTR(&mp_network_ppp_lwip_type) },
+
+#define MICROPY_BOARD_NETWORK_INTERFACES \
+    MICROPY_HW_NIC_PPP
+
+#define MICROPY_PY_SOCKET_EXTENDED_STATE        1

micropython/board/RPI_PICO_PPP/pins.csv

@@ -0,0 +1,28 @@
+GP0,GPIO0
+GP1,GPIO1
+GP2,GPIO2
+GP3,GPIO3
+GP4,GPIO4
+GP5,GPIO5
+GP6,GPIO6
+GP7,GPIO7
+GP8,GPIO8
+GP9,GPIO9
+GP10,GPIO10
+GP11,GPIO11
+GP12,GPIO12
+GP13,GPIO13
+GP14,GPIO14
+GP15,GPIO15
+GP16,GPIO16
+GP17,GPIO17
+GP18,GPIO18
+GP19,GPIO19
+GP20,GPIO20
+GP21,GPIO21
+GP22,GPIO22
+GP25,GPIO25
+GP26,GPIO26
+GP27,GPIO27
+GP28,GPIO28
+LED,GPIO25

micropython/modules/micropython-enviro.cmake

@@ -31,6 +31,9 @@ include(wakeup/micropython)
 # Configure wakeup for Enviro
 target_compile_definitions(usermod_wakeup INTERFACE
     -DWAKEUP_HAS_RTC=1
+    -DWAKEUP_PIN_MASK=0b01000100
+    -DWAKEUP_PIN_DIR=0b01000100
+    -DWAKEUP_PIN_VALUE=0b01000100
 )
 
 # LEDs & Matrices

micropython/modules/micropython-inky_frame.cmake

@@ -33,6 +33,9 @@ include(wakeup/micropython)
 target_compile_definitions(usermod_wakeup INTERFACE
     -DWAKEUP_HAS_RTC=1
     -DWAKEUP_HAS_SHIFT_REGISTER=1
+    -DWAKEUP_PIN_MASK=0b01000100
+    -DWAKEUP_PIN_DIR=0b01000100
+    -DWAKEUP_PIN_VALUE=0b01000100
 )
 
 # LEDs & Matrices

micropython/modules/micropython-pico_ppp.cmake

@@ -0,0 +1,16 @@
+include_directories(${CMAKE_CURRENT_LIST_DIR}/../../)
+
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../")
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/../../")
+
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+include(micropython-common)
+
+# C++ Magic Memory
+include(cppmem/micropython)
+
+# Disable build-busting C++ exceptions
+include(micropython-disable-exceptions)

micropython/modules/wakeup/micropython.cmake

@@ -5,7 +5,6 @@ add_library(usermod_${MOD_NAME} INTERFACE)
 target_sources(usermod_${MOD_NAME} INTERFACE
     ${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.c
     ${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.cpp
-    #${CMAKE_CURRENT_LIST_DIR}/${MOD_NAME}.S
 )
 
 target_include_directories(usermod_${MOD_NAME} INTERFACE

micropython/modules/wakeup/wakeup.cpp

@@ -1,18 +1,30 @@
 #include "hardware/gpio.h"
 #include "wakeup.config.hpp"
 
-extern uint32_t runtime_wakeup_gpio_state;
 
 namespace {
     struct Wakeup {
         public:
             uint8_t shift_register_state = 0b0;
+            uint32_t gpio_state = 0;
 
             Wakeup() {
                 // Assert wakeup pins (indicator LEDs, VSYS hold etc)
-                //gpio_init_mask(WAKEUP_PIN_MASK);
-                //gpio_set_dir_masked(WAKEUP_PIN_MASK, WAKEUP_PIN_DIR);
-                //gpio_put_masked(WAKEUP_PIN_MASK, WAKEUP_PIN_VALUE);
+                gpio_init_mask(WAKEUP_PIN_MASK);
+                gpio_set_dir_masked(WAKEUP_PIN_MASK, WAKEUP_PIN_DIR);
+                gpio_put_masked(WAKEUP_PIN_MASK, WAKEUP_PIN_VALUE);
+
+                // Init all GPIOS not specified in the wakeup mask
+#if PICO_RP2350
+                gpio_init_mask(~WAKEUP_PIN_MASK);
+                gpio_set_dir_in_masked(~WAKEUP_PIN_MASK);
+#endif
+                gpio_state = gpio_get_all();
+                sleep_ms(5);
+                gpio_state |= gpio_get_all();
+#if PICO_RP2350
+                gpio_init_mask(~WAKEUP_PIN_MASK);
+#endif
 
 #if WAKEUP_HAS_RTC==1
                 // Set up RTC I2C pins and send reset command
@@ -59,11 +71,11 @@ extern "C" {
 #include "wakeup.h"
 
 mp_obj_t Wakeup_get_gpio_state() {
-    return mp_obj_new_int(runtime_wakeup_gpio_state);
+    return mp_obj_new_int(wakeup.gpio_state);
 }
 
 mp_obj_t Wakeup_reset_gpio_state() {
-    runtime_wakeup_gpio_state = 0;
+    wakeup.gpio_state = 0;
     return mp_const_none;
 }