initial commit

.gitmodules

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+[submodule "components/ttn-esp32"]
+	path = components/ttn-esp32
+	url = https://git.mosad.xyz/localhorst/ttn-esp32.git

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+project(msv_node)

README.md

@@ -1,2 +1,7 @@
 # msv-clubhouse-node
 
+```
+git submodule init
+git submodule update
+```
+

main/CMakeLists.txt

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+idf_component_register(
+    SRCS "main.cpp"
+    INCLUDE_DIRS "."
+    REQUIRES ttn-esp32)

main/Kconfig.projbuild

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+menu "MSV Node"
+
+    config APPEUI
+        string "AppEUI"
+        default "0000000000000000"
+    config DEVEUI
+        string "DevEUI"
+        default "0000000000000000"
+    config APPKEY
+        string "AppKey"
+        default "00000000000000000000000000000000"
+
+endmenu

main/main.cpp

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+/*******************************************************************************
+ * 
+ * ttn-esp32 - The Things Network device library for ESP-IDF / SX127x
+ * 
+ * Copyright (c) 2018 Manuel Bleichenbacher
+ * 
+ * Licensed under MIT License
+ * https://opensource.org/licenses/MIT
+ *
+ * Sample program showing how to send and receive messages.
+ *******************************************************************************/
+
+#include "freertos/FreeRTOS.h"
+#include "esp_event.h"
+#include "driver/gpio.h"
+#include "nvs_flash.h"
+#include "driver/i2c.h"
+
+#include "TheThingsNetwork.h"
+
+#define SDA_PIN GPIO_NUM_4
+#define SCL_PIN GPIO_NUM_15
+
+
+// NOTE:
+// The LoRaWAN frequency and the radio chip must be configured by running 'idf.py menuconfig'.
+// Go to Components / The Things Network, select the appropriate values and save.
+
+// Pins and other resources
+#define TTN_SPI_HOST      HSPI_HOST
+#define TTN_SPI_DMA_CHAN  1
+#define TTN_PIN_SPI_SCLK  5
+#define TTN_PIN_SPI_MOSI  27
+#define TTN_PIN_SPI_MISO  19
+#define TTN_PIN_NSS       18
+#define TTN_PIN_RXTX      TTN_NOT_CONNECTED
+#define TTN_PIN_RST       14
+#define TTN_PIN_DIO0      26
+#define TTN_PIN_DIO1      35
+
+static TheThingsNetwork ttn;
+
+const unsigned TX_INTERVAL = 5;
+static uint8_t msgData[] = "0xBADC0DED";
+
+
+void sendMessages(void* pvParameter)
+{
+    while (1) {
+        printf("Sending message...\n");
+        TTNResponseCode res = ttn.transmitMessage(msgData, sizeof(msgData) - 1);
+        printf(res == kTTNSuccessfulTransmission ? "Message sent.\n" : "Transmission failed.\n");
+
+        vTaskDelay(TX_INTERVAL * pdMS_TO_TICKS(1000));
+    }
+}
+
+void messageReceived(const uint8_t* message, size_t length, ttn_port_t port)
+{
+    printf("Message of %d bytes received on port %d:", length, port);
+    for (int i = 0; i < length; i++)
+        printf(" %02x", message[i]);
+    printf("\n");
+}
+
+extern "C" void app_main(void)
+{
+    esp_err_t err;
+    // Initialize the GPIO ISR handler service
+    err = gpio_install_isr_service(ESP_INTR_FLAG_IRAM);
+    ESP_ERROR_CHECK(err);
+    
+    // Initialize the NVS (non-volatile storage) for saving and restoring the keys
+    err = nvs_flash_init();
+    ESP_ERROR_CHECK(err);
+
+    // Initialize SPI bus
+    spi_bus_config_t spi_bus_config;
+    spi_bus_config.miso_io_num = TTN_PIN_SPI_MISO;
+    spi_bus_config.mosi_io_num = TTN_PIN_SPI_MOSI;
+    spi_bus_config.sclk_io_num = TTN_PIN_SPI_SCLK;
+    spi_bus_config.quadwp_io_num = -1;
+    spi_bus_config.quadhd_io_num = -1;
+    spi_bus_config.max_transfer_sz = 0;
+    err = spi_bus_initialize(TTN_SPI_HOST, &spi_bus_config, TTN_SPI_DMA_CHAN);
+    ESP_ERROR_CHECK(err);
+
+    // Configure the SX127x pins
+    ttn.configurePins(TTN_SPI_HOST, TTN_PIN_NSS, TTN_PIN_RXTX, TTN_PIN_RST, TTN_PIN_DIO0, TTN_PIN_DIO1);
+
+    // The below line can be commented after the first run as the data is saved in NVS
+    ttn.provision(CONFIG_DEVEUI, CONFIG_APPEUI, CONFIG_APPKEY);
+
+    // Register callback for received messages
+    ttn.onMessage(messageReceived);
+
+//    ttn.setAdrEnabled(false);
+//    ttn.setDataRate(kTTNDataRate_US915_SF7);
+//    ttn.setMaxTxPower(14);
+
+    printf("Joining...\n");
+    if (ttn.join())
+    {
+        printf("Joined.\n");
+        xTaskCreate(sendMessages, "send_messages", 1024 * 4, (void* )0, 3, nullptr);
+    }
+    else
+    {
+        printf("Join failed. Goodbye\n");
+        esp_restart();
+    }
+}