Implement scan, connect, ping

My pings go out, and then they come back

```py
import os
import wifi
import ipaddress

wifi.radio.connect(os.getenv('WIFI_SSID'), os.getenv('WIFI_PASSWORD'))
ipv4 = ipaddress.ip_address("8.8.4.4")
print("Ping google.com: %f ms" % (wifi.radio.ping(ipv4)*1000))
```

Author: jepler

frozen/circuitpython-stage

@@ -303,7 +303,7 @@ msgstr ""
 msgid "'%s' object doesn't support item deletion"
 msgstr ""
 
-#: py/runtime.c
+#: ports/raspberrypi/common-hal/wifi/Radio.c py/runtime.c
 msgid "'%s' object has no attribute '%q'"
 msgstr ""
 
@@ -489,6 +489,7 @@ msgid "Already running"
 msgstr ""
 
 #: ports/espressif/common-hal/wifi/Radio.c
+#: ports/raspberrypi/common-hal/wifi/Radio.c
 msgid "Already scanning for wifi networks"
 msgstr ""
 
@@ -2208,6 +2209,11 @@ msgstr ""
 msgid "Unknown system firmware error: %d"
 msgstr ""
 
+#: ports/raspberrypi/common-hal/wifi/__init__.c
+#, c-format
+msgid "Unkown error code %d"
+msgstr ""
+
 #: shared-bindings/adafruit_pixelbuf/PixelBuf.c
 #, c-format
 msgid "Unmatched number of items on RHS (expected %d, got %d)."
@@ -4137,14 +4143,10 @@ msgstr ""
 msgid "type is not an acceptable base type"
 msgstr ""
 
-#: py/runtime.c
+#: py/objgenerator.c py/runtime.c
 msgid "type object '%q' has no attribute '%q'"
 msgstr ""
 
-#: py/objgenerator.c
-msgid "type object 'generator' has no attribute '__await__'"
-msgstr ""
-
 #: py/objtype.c
 msgid "type takes 1 or 3 arguments"
 msgstr ""
@@ -4276,9 +4278,14 @@ msgid "width must be greater than zero"
 msgstr ""
 
 #: ports/espressif/common-hal/wifi/Radio.c
+#: ports/raspberrypi/common-hal/wifi/Radio.c
 msgid "wifi is not enabled"
 msgstr ""
 
+#: ports/raspberrypi/common-hal/wifi/Monitor.c
+msgid "wifi.Monitor not available"
+msgstr ""
+
 #: shared-bindings/_bleio/Adapter.c
 msgid "window must be <= interval"
 msgstr ""

locale/circuitpython.pot

@@ -20,3 +20,5 @@ override undefine PROG
 endif
 
 include mpy-cross.mk
+CFLAGS += -g
+STRIP = :

mpy-cross/Makefile

@@ -59,20 +59,30 @@ HAL_DIR=hal/$(MCU_SERIES)
 
 ifeq ($(CIRCUITPY_CYW43),1)
 INC_CYW43 := \
-	-isystem sdk/src/rp2_common/pico_cyw43_arch/include/ \
-	-isystem sdk/lib/cyw43-driver/src \
 	-isystem sdk/lib/cyw43-driver/firmware \
+	-isystem sdk/lib/cyw43-driver/src \
+	-isystem sdk/lib/lwip/src/include \
+	-isystem sdk/src/rp2_common/pico_cyw43_arch/include/ \
+	-isystem sdk/src/rp2_common/pico_lwip/include/ \
 
-CFLAGS_CYW43 := -DCYW43_LWIP=0 -DPICO_CYW43_ARCH_THREADSAFE_BACKGROUND=1 -DCYW43_USE_SPI -DIGNORE_GPIO25
+CFLAGS_CYW43 := -DCYW43_LWIP=1 -DPICO_CYW43_ARCH_THREADSAFE_BACKGROUND=1 -DCYW43_USE_SPI -DIGNORE_GPIO25
 SRC_SDK_CYW43 := \
 	lib/cyw43-driver/src/cyw43_ctrl.c \
 	lib/cyw43-driver/src/cyw43_ll.c \
 	lib/cyw43-driver/src/cyw43_lwip.c \
 	lib/cyw43-driver/src/cyw43_stats.c \
 	src/common/pico_sync/sem.c \
+	src/rp2_common/cyw43_driver/cyw43_bus_pio_spi.c \
 	src/rp2_common/pico_cyw43_arch/cyw43_arch.c \
 	src/rp2_common/pico_cyw43_arch/cyw43_arch_threadsafe_background.c \
-	src/rp2_common/cyw43_driver/cyw43_bus_pio_spi.c \
+	src/rp2_common/pico_lwip/nosys.c \
+	src/rp2_common/pico_lwip/random.c \
+
+SRC_LWIP := \
+	$(wildcard sdk/lib/lwip/src/core/*.c) \
+	$(wildcard sdk/lib/lwip/src/core/ipv4/*.c) \
+	sdk/lib/lwip/src/netif/ethernet.c \
+	$(wildcard lwip_src/*.c) \
 
 SRC_CYW43 := $(wildcard bindings/cyw43/*.c)
 
@@ -114,16 +124,17 @@ OBJ_CYW43 := $(BUILD)/cyw43_resource.o
 ###     )
 ###
 else
-$(error y u no y fi)
 INC_CYW43 :=
 CFLAGS_CYW43 :=
 SRC_SDK_CYW43 :=
 SRC_CYW43 :=
 OBJ_CYW43 :=
+SRC_LWIP :=
 endif
 
 INC += \
 	-I. \
+	-Ilwip_inc \
         -I../.. \
         -I../lib/mp-readline \
         -I../shared/timeutils \
@@ -276,6 +287,7 @@ SRC_C += \
 	lib/tinyusb/src/portable/raspberrypi/rp2040/rp2040_usb.c \
 	mphalport.c \
 	$(SRC_CYW43) \
+	$(SRC_LWIP) \
 
 SRC_COMMON_HAL_EXPANDED = $(addprefix shared-bindings/, $(SRC_COMMON_HAL)) \
                           $(addprefix shared-bindings/, $(SRC_BINDINGS_ENUMS)) \

ports/espressif/esp32-camera

@@ -16,5 +16,6 @@ CIRCUITPY_HASHLIB = 0
 CIRCUITPY_WEB_WORKFLOW = 0
 CIRCUITPY_MDNS = 0
 CIRCUITPY_SOCKETPOOL = 0
+CIRCUITPY_WIFI = 1
 
 CFLAGS += -DCYW43_PIN_WL_HOST_WAKE=24 -DCYW43_PIN_WL_REG_ON=23 -DCYW43_WL_GPIO_COUNT=3 -DCYW43_WL_GPIO_LED_PIN=0

ports/raspberrypi/Makefile

@@ -0,0 +1,74 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 microDev
+ *
+ * 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 <string.h>
+
+#include "py/mpstate.h"
+#include "py/runtime.h"
+
+#include "shared-bindings/wifi/Monitor.h"
+#include "shared-bindings/wifi/Packet.h"
+
+
+#define MONITOR_PAYLOAD_FCS_LEN     (4)
+#define MONITOR_QUEUE_TIMEOUT_TICK  (0)
+
+typedef struct {
+} monitor_packet_t;
+
+void common_hal_wifi_monitor_construct(wifi_monitor_obj_t *self, uint8_t channel, size_t queue) {
+    mp_raise_NotImplementedError(translate("wifi.Monitor not available"));
+}
+
+bool common_hal_wifi_monitor_deinited(void) {
+    return true;
+}
+
+void common_hal_wifi_monitor_deinit(wifi_monitor_obj_t *self) {
+}
+
+void common_hal_wifi_monitor_set_channel(wifi_monitor_obj_t *self, uint8_t channel) {
+}
+
+mp_obj_t common_hal_wifi_monitor_get_channel(wifi_monitor_obj_t *self) {
+    return MP_OBJ_NEW_SMALL_INT(0);
+}
+
+mp_obj_t common_hal_wifi_monitor_get_queue(wifi_monitor_obj_t *self) {
+    return mp_obj_new_int_from_uint(0);
+}
+
+mp_obj_t common_hal_wifi_monitor_get_lost(wifi_monitor_obj_t *self) {
+    return mp_obj_new_int_from_uint(0);
+}
+
+mp_obj_t common_hal_wifi_monitor_get_queued(wifi_monitor_obj_t *self) {
+    return mp_obj_new_int_from_uint(0);
+}
+
+mp_obj_t common_hal_wifi_monitor_get_packet(wifi_monitor_obj_t *self) {
+    return mp_const_none;
+}

ports/raspberrypi/boards/raspberry_pi_pico_w/mpconfigboard.mk

@@ -0,0 +1,40 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 microDev
+ * Copyright (c) 2022 Jeff Epler 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.
+ */
+
+#ifndef MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_WIFI_MONITOR_H
+#define MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_WIFI_MONITOR_H
+
+#include "py/obj.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    uint8_t channel;
+    size_t lost;
+    size_t queue_length;
+} wifi_monitor_obj_t;
+
+#endif // MICROPY_INCLUDED_ESPRESSIF_COMMON_HAL_WIFI_MONITOR_H

ports/raspberrypi/common-hal/wifi/Monitor.c

@@ -0,0 +1,81 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 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 <string.h>
+
+#include "shared-bindings/wifi/Network.h"
+#include "shared-bindings/wifi/AuthMode.h"
+
+mp_obj_t common_hal_wifi_network_get_ssid(wifi_network_obj_t *self) {
+    const char *cstr = (const char *)self->record.ssid;
+    return mp_obj_new_str(cstr, self->record.ssid_len);
+}
+
+#define MAC_ADDRESS_LENGTH 6
+
+mp_obj_t common_hal_wifi_network_get_bssid(wifi_network_obj_t *self) {
+    return mp_obj_new_bytes(self->record.bssid, MAC_ADDRESS_LENGTH);
+}
+
+mp_obj_t common_hal_wifi_network_get_rssi(wifi_network_obj_t *self) {
+    return mp_obj_new_int(self->record.rssi);
+}
+
+mp_obj_t common_hal_wifi_network_get_channel(wifi_network_obj_t *self) {
+    return mp_obj_new_int(self->record.channel);
+}
+
+mp_obj_t common_hal_wifi_network_get_country(wifi_network_obj_t *self) {
+    return (mp_obj_t)MP_QSTR_;
+}
+
+mp_obj_t common_hal_wifi_network_get_authmode(wifi_network_obj_t *self) {
+    uint8_t authmode_mask = 0;
+    if (self->record.auth_mode == 0) {
+        authmode_mask = (1 << AUTHMODE_OPEN);
+    }
+    if (self->record.auth_mode & 1) {
+        authmode_mask |= (1 << AUTHMODE_PSK);
+    }
+    ;
+    if (self->record.auth_mode & 2) {
+        authmode_mask |= (1 << AUTHMODE_WPA);
+    }
+    ;
+    if (self->record.auth_mode & 4) {
+        authmode_mask |= (1 << AUTHMODE_WPA2);
+    }
+    ;
+    mp_obj_t authmode_list = mp_obj_new_list(0, NULL);
+    if (authmode_mask != 0) {
+        for (uint8_t i = 0; i < 8; i++) {
+            if ((authmode_mask >> i) & 1) {
+                mp_obj_list_append(authmode_list, cp_enum_find(&wifi_authmode_type, i));
+            }
+        }
+    }
+    return authmode_list;
+}

ports/raspberrypi/common-hal/wifi/Monitor.h

@@ -0,0 +1,36 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 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.
+ */
+
+#pragma once
+
+#include "py/obj.h"
+
+#include "pico/cyw43_arch.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    cyw43_ev_scan_result_t record;
+} wifi_network_obj_t;