ttn-esp32/examples/send_msg/main/main.cpp
Manuel Bleichenbacher ba33e35591 Initial check-in
2018-07-15 22:11:11 +02:00

75 lines
2.3 KiB
C++

/*******************************************************************************
* Copyright (c) 2018 Manuel Bleichenbacher
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Sample program showing how to send a test message every 30 second.
*******************************************************************************/
#include "freertos/FreeRTOS.h"
#include "esp_event.h"
#include "TheThingsNetwork.h"
// NOTE:
// The LoRaWAN frequency and the radio chip must be configured by running 'make menuconfig'.
// Go to Components / The Things Network, select the appropriate values and save.
// Copy the below two lines from bottom of your device's overview page in the TTN console
const char *appEui = "????????????????";
const char *appKey = "????????????????????????????????";
// Copy the below hex string from the "Device EUI" field on the same pag.
const char *devEui = "????????????????";;
static TheThingsNetwork ttn;
const unsigned TX_INTERVAL = 30;
static uint8_t msgData[] = "Hello, world";
void send_messages(void* pvParameter)
{
vTaskDelay(TX_INTERVAL * 1000 / portTICK_PERIOD_MS);
while(1) {
printf("Sending message...\n");
ttn_response_t res = ttn.sendBytes(msgData, sizeof(msgData) - 1);
if (res == TTN_SUCCESSFUL_TRANSMISSION)
printf("Message sent.\n");
else
printf("Message transmission failed.\n");
vTaskDelay(TX_INTERVAL * 1000 / portTICK_PERIOD_MS);
}
}
extern "C" void app_main(void)
{
gpio_install_isr_service(ESP_INTR_FLAG_IRAM);
// Initialize SPI bus
spi_bus_config_t spi_bus_config;
spi_bus_config.miso_io_num = 19;
spi_bus_config.mosi_io_num = 27;
spi_bus_config.sclk_io_num = 5;
spi_bus_config.quadwp_io_num = -1;
spi_bus_config.quadhd_io_num = -1;
spi_bus_config.max_transfer_sz = 0;
esp_err_t ret = spi_bus_initialize(HSPI_HOST, &spi_bus_config, 1);
assert(ret == ESP_OK);
ttn.configurePins(HSPI_HOST, 18, TTN_NOT_CONNECTED, 14, 26, 33);
ttn.provision(appEui, appKey, devEui);
ttn.join();
xTaskCreate(send_messages, "send_messages", 1024 * 4, (void* )0, 3, NULL);
}