Add mdns module

locale/circuitpython.pot

@@ -2408,6 +2408,10 @@ msgstr ""
 msgid "Unable to read color palette data"
 msgstr ""
 
+#: ports/espressif/common-hal/mdns/Server.c
+msgid "Unable to start mDNS query"
+msgstr ""
+
 #: shared-bindings/nvm/ByteArray.c
 msgid "Unable to write to nvm."
 msgstr ""
@@ -3625,6 +3629,14 @@ msgstr ""
 msgid "loopback + silent mode not supported by peripheral"
 msgstr ""
 
+#: ports/espressif/common-hal/mdns/Server.c
+msgid "mDNS already initialized"
+msgstr ""
+
+#: ports/espressif/common-hal/mdns/Server.c
+msgid "mDNS only works with built-in WiFi"
+msgstr ""
+
 #: py/parse.c
 msgid "malformed f-string"
 msgstr ""
@@ -4072,6 +4084,7 @@ msgstr ""
 #: ports/espressif/boards/crumpspace_crumps2/mpconfigboard.h
 #: ports/espressif/boards/electroniccats_bastwifi/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32c3_devkitm_1_n4/mpconfigboard.h
+#: ports/espressif/boards/espressif_esp32s2_devkitc_1_n4/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32s2_devkitc_1_n4r2/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32s3_box/mpconfigboard.h
 #: ports/espressif/boards/espressif_esp32s3_devkitc_1_n8/mpconfigboard.h

ports/espressif/CMakeLists.txt

@@ -6,7 +6,7 @@ set(ENV{IDF_PATH} ${CMAKE_SOURCE_DIR}/esp-idf)
 
 # The component list here determines what options we get in menuconfig and what the ninja file
 # can build.
-set(COMPONENTS esptool_py soc driver log main esp-tls mbedtls esp_event esp_adc_cal esp_netif esp_wifi lwip wpa_supplicant freertos bt)
+set(COMPONENTS esptool_py soc driver log main esp-tls mbedtls mdns esp_event esp_adc_cal esp_netif esp_wifi lwip wpa_supplicant freertos bt)
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(circuitpython)

ports/espressif/Makefile

@@ -360,7 +360,7 @@ $(HEADER_BUILD)/qstr.split: | $(BUILD)/esp-idf/config/sdkconfig.h
 BINARY_WIFI_BLOBS = libcoexist.a libcore.a libespnow.a libmesh.a libnet80211.a libpp.a libsmartconfig.a libwapi.a
 BINARY_BLOBS = esp-idf/components/esp_phy/lib/$(IDF_TARGET)/libphy.a $(addprefix esp-idf/components/esp_wifi/lib/$(IDF_TARGET)/, $(BINARY_WIFI_BLOBS))
 
-ESP_IDF_COMPONENTS_LINK = $(IDF_TARGET_ARCH) app_update bootloader_support driver efuse esp_adc_cal esp_common esp_event esp_hw_support esp_ipc esp_netif esp_pm esp_phy esp_ringbuf esp_rom esp_system esp_timer esp-tls esp_wifi freertos hal heap log lwip mbedtls newlib nvs_flash pthread soc spi_flash vfs wpa_supplicant
+ESP_IDF_COMPONENTS_LINK = $(IDF_TARGET_ARCH) app_update bootloader_support driver efuse esp_adc_cal esp_common esp_event esp_hw_support esp_ipc esp_netif esp_pm esp_phy esp_ringbuf esp_rom esp_system esp_timer esp-tls esp_wifi freertos hal heap log lwip mbedtls mdns newlib nvs_flash pthread soc spi_flash vfs wpa_supplicant
 ifneq ($(CIRCUITPY_BLEIO),0)
 	ESP_IDF_COMPONENTS_LINK += bt
 	BINARY_BLOBS += esp-idf/components/esp_phy/lib/$(IDF_TARGET)/libbtbb.a \

ports/espressif/boards/espressif_esp32s2_devkitc_1_n4/board.c

@@ -0,0 +1,48 @@
+/*
+ * 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 "supervisor/board.h"
+#include "mpconfigboard.h"
+#include "shared-bindings/microcontroller/Pin.h"
+
+void board_init(void) {
+    // Debug UART
+    #ifdef DEBUG
+    common_hal_never_reset_pin(&pin_GPIO43);
+    common_hal_never_reset_pin(&pin_GPIO44);
+    #endif /* DEBUG */
+}
+
+bool board_requests_safe_mode(void) {
+    return false;
+}
+
+void reset_board(void) {
+
+}
+
+void board_deinit(void) {
+}

ports/espressif/boards/espressif_esp32s2_devkitc_1_n4/mpconfigboard.h

@@ -0,0 +1,39 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 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.
+ */
+
+// Micropython setup
+
+#define MICROPY_HW_BOARD_NAME       "ESP32-S2-DevKitC-1-N4"
+#define MICROPY_HW_MCU_NAME         "ESP32S2"
+
+#define MICROPY_HW_NEOPIXEL         (&pin_GPIO18)
+
+#define CIRCUITPY_BOOT_BUTTON       (&pin_GPIO0)
+
+#define DEFAULT_UART_BUS_RX         (&pin_GPIO44)
+#define DEFAULT_UART_BUS_TX         (&pin_GPIO43)
+
+#define BOARD_USER_SAFE_MODE_ACTION translate("pressing boot button at start up.\n")

ports/espressif/boards/espressif_esp32s2_devkitc_1_n4/mpconfigboard.mk

@@ -0,0 +1,17 @@
+USB_VID = 0x303A
+USB_PID = 0x7009
+USB_PRODUCT = "ESP32-S2-DevKitC-1-N4"
+USB_MANUFACTURER = "Espressif"
+
+IDF_TARGET = esp32s2
+
+INTERNAL_FLASH_FILESYSTEM = 1
+LONGINT_IMPL = MPZ
+
+# The default queue depth of 16 overflows on release builds,
+# so increase it to 32.
+CFLAGS += -DCFG_TUD_TASK_QUEUE_SZ=32
+
+CIRCUITPY_ESP_FLASH_MODE=dio
+CIRCUITPY_ESP_FLASH_FREQ=40m
+CIRCUITPY_ESP_FLASH_SIZE=4MB

ports/espressif/boards/espressif_esp32s2_devkitc_1_n4/pins.c

@@ -0,0 +1,53 @@
+#include "shared-bindings/board/__init__.h"
+
+STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
+    CIRCUITPYTHON_BOARD_DICT_STANDARD_ITEMS
+
+    { MP_ROM_QSTR(MP_QSTR_IO0), MP_ROM_PTR(&pin_GPIO0) },
+    { MP_ROM_QSTR(MP_QSTR_IO1), MP_ROM_PTR(&pin_GPIO1) },
+    { MP_ROM_QSTR(MP_QSTR_IO2), MP_ROM_PTR(&pin_GPIO2) },
+    { MP_ROM_QSTR(MP_QSTR_IO3), MP_ROM_PTR(&pin_GPIO3) },
+    { MP_ROM_QSTR(MP_QSTR_IO4), MP_ROM_PTR(&pin_GPIO4) },
+    { MP_ROM_QSTR(MP_QSTR_IO5), MP_ROM_PTR(&pin_GPIO5) },
+    { MP_ROM_QSTR(MP_QSTR_IO6), MP_ROM_PTR(&pin_GPIO6) },
+    { MP_ROM_QSTR(MP_QSTR_IO7), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_IO8), MP_ROM_PTR(&pin_GPIO8) },
+    { MP_ROM_QSTR(MP_QSTR_IO9), MP_ROM_PTR(&pin_GPIO9) },
+    { MP_ROM_QSTR(MP_QSTR_IO10), MP_ROM_PTR(&pin_GPIO10) },
+    { MP_ROM_QSTR(MP_QSTR_IO11), MP_ROM_PTR(&pin_GPIO11) },
+    { MP_ROM_QSTR(MP_QSTR_IO12), MP_ROM_PTR(&pin_GPIO12) },
+    { MP_ROM_QSTR(MP_QSTR_IO13), MP_ROM_PTR(&pin_GPIO13) },
+    { MP_ROM_QSTR(MP_QSTR_IO14), MP_ROM_PTR(&pin_GPIO14) },
+    { MP_ROM_QSTR(MP_QSTR_IO15), MP_ROM_PTR(&pin_GPIO15) },
+    { MP_ROM_QSTR(MP_QSTR_IO16), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_IO17), MP_ROM_PTR(&pin_GPIO17) },
+
+    { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO18) },
+    { MP_ROM_QSTR(MP_QSTR_IO18), MP_ROM_PTR(&pin_GPIO18) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO19), MP_ROM_PTR(&pin_GPIO19) },
+    { MP_ROM_QSTR(MP_QSTR_IO20), MP_ROM_PTR(&pin_GPIO20) },
+    { MP_ROM_QSTR(MP_QSTR_IO21), MP_ROM_PTR(&pin_GPIO21) },
+    { MP_ROM_QSTR(MP_QSTR_IO26), MP_ROM_PTR(&pin_GPIO26) },
+    { MP_ROM_QSTR(MP_QSTR_IO33), MP_ROM_PTR(&pin_GPIO33) },
+    { MP_ROM_QSTR(MP_QSTR_IO34), MP_ROM_PTR(&pin_GPIO34) },
+    { MP_ROM_QSTR(MP_QSTR_IO35), MP_ROM_PTR(&pin_GPIO35) },
+    { MP_ROM_QSTR(MP_QSTR_IO36), MP_ROM_PTR(&pin_GPIO36) },
+    { MP_ROM_QSTR(MP_QSTR_IO37), MP_ROM_PTR(&pin_GPIO37) },
+    { MP_ROM_QSTR(MP_QSTR_IO38), MP_ROM_PTR(&pin_GPIO38) },
+    { MP_ROM_QSTR(MP_QSTR_IO39), MP_ROM_PTR(&pin_GPIO39) },
+    { MP_ROM_QSTR(MP_QSTR_IO40), MP_ROM_PTR(&pin_GPIO40) },
+    { MP_ROM_QSTR(MP_QSTR_IO41), MP_ROM_PTR(&pin_GPIO41) },
+    { MP_ROM_QSTR(MP_QSTR_IO42), MP_ROM_PTR(&pin_GPIO42) },
+
+    { MP_ROM_QSTR(MP_QSTR_TX), MP_ROM_PTR(&pin_GPIO43) },
+    { MP_ROM_QSTR(MP_QSTR_IO43), MP_ROM_PTR(&pin_GPIO43) },
+
+    { MP_ROM_QSTR(MP_QSTR_RX), MP_ROM_PTR(&pin_GPIO44) },
+    { MP_ROM_QSTR(MP_QSTR_IO44), MP_ROM_PTR(&pin_GPIO44) },
+
+    { MP_ROM_QSTR(MP_QSTR_IO45), MP_ROM_PTR(&pin_GPIO45) },
+    { MP_ROM_QSTR(MP_QSTR_IO46), MP_ROM_PTR(&pin_GPIO46) },
+
+};
+MP_DEFINE_CONST_DICT(board_module_globals, board_module_globals_table);

ports/espressif/boards/espressif_esp32s2_devkitc_1_n4/sdkconfig

@@ -0,0 +1,5 @@
+#
+# LWIP
+#
+CONFIG_LWIP_LOCAL_HOSTNAME="espressif-esp32s2"
+# end of LWIP

ports/espressif/boards/espressif_esp32s2_devkitc_1_n4r2/mpconfigboard.mk

@@ -1,5 +1,5 @@
-USB_VID = 0x239A
-USB_PID = 0x80A6
+USB_VID = 0x303A
+USB_PID = 0x7009
 USB_PRODUCT = "ESP32-S2-DevKitC-1-N4R2"
 USB_MANUFACTURER = "Espressif"
 

ports/espressif/common-hal/mdns/RemoteService.c

@@ -0,0 +1,67 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 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 "shared-bindings/mdns/RemoteService.h"
+
+const char *common_hal_mdns_remoteservice_get_service_type(mdns_remoteservice_obj_t *self) {
+    if (self->result == NULL) {
+        return "";
+    }
+    return self->result->service_type;
+}
+
+const char *common_hal_mdns_remoteservice_get_protocol(mdns_remoteservice_obj_t *self) {
+    if (self->result == NULL) {
+        return "";
+    }
+    return self->result->proto;
+}
+
+const char *common_hal_mdns_remoteservice_get_instance_name(mdns_remoteservice_obj_t *self) {
+    if (self->result == NULL) {
+        return "";
+    }
+    return self->result->instance_name;
+}
+
+const char *common_hal_mdns_remoteservice_get_hostname(mdns_remoteservice_obj_t *self) {
+    if (self->result == NULL) {
+        return "";
+    }
+    return self->result->hostname;
+}
+
+mp_int_t common_hal_mdns_remoteservice_get_port(mdns_remoteservice_obj_t *self) {
+    if (self->result == NULL) {
+        return 0;
+    }
+    return self->result->port;
+}
+
+void common_hal_mdns_remoteservice_deinit(mdns_remoteservice_obj_t *self) {
+    mdns_query_results_free(self->result);
+    self->result = NULL;
+}

ports/espressif/common-hal/mdns/RemoteService.h

@@ -0,0 +1,34 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 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 "components/mdns/include/mdns.h"
+
+typedef struct {
+    mp_obj_base_t base;
+    mdns_result_t *result;
+} mdns_remoteservice_obj_t;