334 lines
9.2 KiB
C++
334 lines
9.2 KiB
C++
/*
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Main module
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# Modified by Kyle T. Gabriel to fix issue with incorrect GPS data for TTNMapper
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Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "configuration.h"
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#include "rom/rtc.h"
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#include <TinyGPS++.h>
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#include <Wire.h>
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#ifdef T_BEAM_V10
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#include "axp20x.h"
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AXP20X_Class axp;
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bool pmu_irq = false;
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String baChStatus = "No charging";
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#endif
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bool ssd1306_found = false;
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bool axp192_found = false;
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// Message counter, stored in RTC memory, survives deep sleep
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RTC_DATA_ATTR uint32_t count = 0;
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#if defined(PAYLOAD_USE_FULL)
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// includes number of satellites and accuracy
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uint8_t txBuffer[10];
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#elif defined(PAYLOAD_USE_CAYENNE)
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// CAYENNE DF
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static uint8_t txBuffer[11] = {0x03, 0x88, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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#endif
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// -----------------------------------------------------------------------------
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// Application
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// -----------------------------------------------------------------------------
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void buildPacket(uint8_t txBuffer[]); // needed for platformio
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void send() {
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char buffer[40];
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snprintf(buffer, sizeof(buffer), "Latitude: %10.6f\n", gps_latitude());
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screen_print(buffer);
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snprintf(buffer, sizeof(buffer), "Longitude: %10.6f\n", gps_longitude());
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screen_print(buffer);
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snprintf(buffer, sizeof(buffer), "Error: %4.2fm\n", gps_hdop());
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screen_print(buffer);
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buildPacket(txBuffer);
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#if LORAWAN_CONFIRMED_EVERY > 0
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bool confirmed = (count % LORAWAN_CONFIRMED_EVERY == 0);
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#else
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bool confirmed = false;
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#endif
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ttn_cnt(count);
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ttn_send(txBuffer, sizeof(txBuffer), LORAWAN_PORT, confirmed);
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count++;
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}
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void sleep() {
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#if SLEEP_BETWEEN_MESSAGES
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// Show the going to sleep message on the screen
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char buffer[20];
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snprintf(buffer, sizeof(buffer), "Sleeping in %3.1fs\n", (MESSAGE_TO_SLEEP_DELAY / 1000.0));
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screen_print(buffer);
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// Wait for MESSAGE_TO_SLEEP_DELAY millis to sleep
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delay(MESSAGE_TO_SLEEP_DELAY);
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// Turn off screen
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screen_off();
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// Set the user button to wake the board
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sleep_interrupt(BUTTON_PIN, LOW);
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// We sleep for the interval between messages minus the current millis
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// this way we distribute the messages evenly every SEND_INTERVAL millis
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uint32_t sleep_for = (millis() < SEND_INTERVAL) ? SEND_INTERVAL - millis() : SEND_INTERVAL;
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sleep_millis(sleep_for);
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#endif
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}
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void printHex2(unsigned v) {
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v &= 0xff;
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if (v < 16)
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Serial.print('0');
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Serial.print(v, HEX);
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}
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void callback(uint8_t message) {
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if (EV_JOINING == message) screen_print("Joining TTN...\n");
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if (EV_JOINED == message) {
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screen_print("TTN joined!\n");
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Serial.println(F("EV_JOINED"));
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u4_t netid = 0;
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devaddr_t devaddr = 0;
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u1_t nwkKey[16];
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u1_t artKey[16];
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LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
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Serial.print("netid: ");
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Serial.println(netid, DEC);
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Serial.print("devaddr: ");
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Serial.println(devaddr, HEX);
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Serial.print("AppSKey: ");
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for (size_t i=0; i<sizeof(artKey); ++i) {
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if (i != 0)
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Serial.print("-");
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printHex2(artKey[i]);
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}
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Serial.println("");
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Serial.print("NwkSKey: ");
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for (size_t i=0; i<sizeof(nwkKey); ++i) {
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if (i != 0)
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Serial.print("-");
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printHex2(nwkKey[i]);
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}
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Serial.println();
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}
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if (EV_JOIN_FAILED == message) screen_print("TTN join failed\n");
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if (EV_REJOIN_FAILED == message) screen_print("TTN rejoin failed\n");
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if (EV_RESET == message) screen_print("Reset TTN connection\n");
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if (EV_LINK_DEAD == message) screen_print("TTN link dead\n");
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if (EV_ACK == message) screen_print("ACK received\n");
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if (EV_PENDING == message) screen_print("Message discarded\n");
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if (EV_QUEUED == message) screen_print("Message queued\n");
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if (EV_TXCOMPLETE == message) {
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screen_print("Message sent\n");
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sleep();
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}
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if (EV_RESPONSE == message) {
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screen_print("[TTN] Response: ");
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size_t len = ttn_response_len();
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uint8_t data[len];
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ttn_response(data, len);
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char buffer[6];
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for (uint8_t i = 0; i < len; i++) {
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snprintf(buffer, sizeof(buffer), "%02X", data[i]);
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screen_print(buffer);
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}
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screen_print("\n");
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}
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}
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uint32_t get_count() {
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return count;
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}
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void scanI2Cdevice(void)
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{
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byte err, addr;
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int nDevices = 0;
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for (addr = 1; addr < 127; addr++) {
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Wire.beginTransmission(addr);
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err = Wire.endTransmission();
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if (err == 0) {
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Serial.print("I2C device found at address 0x");
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if (addr < 16)
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Serial.print("0");
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Serial.print(addr, HEX);
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Serial.println(" !");
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nDevices++;
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if (addr == SSD1306_ADDRESS) {
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ssd1306_found = true;
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Serial.println("ssd1306 display found");
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}
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if (addr == AXP192_SLAVE_ADDRESS) {
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axp192_found = true;
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Serial.println("axp192 PMU found");
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}
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} else if (err == 4) {
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Serial.print("Unknow error at address 0x");
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if (addr < 16)
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Serial.print("0");
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Serial.println(addr, HEX);
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}
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}
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if (nDevices == 0)
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Serial.println("No I2C devices found\n");
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else
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Serial.println("done\n");
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}
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void setup() {
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// Debug
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#ifdef DEBUG_PORT
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DEBUG_PORT.begin(SERIAL_BAUD);
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#endif
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delay(1000);
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#ifdef T_BEAM_V10
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Wire.begin(I2C_SDA, I2C_SCL);
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scanI2Cdevice();
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axp192_found = true;
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if (axp192_found) {
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if (!axp.begin(Wire, AXP192_SLAVE_ADDRESS)) {
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Serial.println("AXP192 Begin PASS");
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} else {
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Serial.println("AXP192 Begin FAIL");
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}
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// axp.setChgLEDMode(LED_BLINK_4HZ);
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Serial.printf("DCDC1: %s\n", axp.isDCDC1Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC2: %s\n", axp.isDCDC2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO2: %s\n", axp.isLDO2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO3: %s\n", axp.isLDO3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC3: %s\n", axp.isDCDC3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
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Serial.println("----------------------------------------");
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axp.setPowerOutPut(AXP192_LDO2, AXP202_ON);
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axp.setPowerOutPut(AXP192_LDO3, AXP202_ON);
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axp.setPowerOutPut(AXP192_DCDC2, AXP202_ON);
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axp.setPowerOutPut(AXP192_EXTEN, AXP202_ON);
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axp.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
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axp.setDCDC1Voltage(3300);
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Serial.printf("DCDC1: %s\n", axp.isDCDC1Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC2: %s\n", axp.isDCDC2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO2: %s\n", axp.isLDO2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO3: %s\n", axp.isLDO3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC3: %s\n", axp.isDCDC3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
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pinMode(PMU_IRQ, INPUT_PULLUP);
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attachInterrupt(PMU_IRQ, [] {
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pmu_irq = true;
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}, FALLING);
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axp.adc1Enable(AXP202_BATT_CUR_ADC1, 1);
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axp.enableIRQ(AXP202_VBUS_REMOVED_IRQ | AXP202_VBUS_CONNECT_IRQ | AXP202_BATT_REMOVED_IRQ | AXP202_BATT_CONNECT_IRQ, 1);
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axp.clearIRQ();
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if (axp.isChargeing()) {
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baChStatus = "Charging";
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}
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} else {
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Serial.println("AXP192 not found");
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}
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#endif
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// Buttons & LED
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pinMode(BUTTON_PIN, INPUT_PULLUP);
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pinMode(LED_PIN, OUTPUT);
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// Hello
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DEBUG_MSG(APP_NAME " " APP_VERSION "\n");
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// Display
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screen_setup();
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// Init GPS
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gps_setup();
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// Show logo on first boot
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if (0 == count) {
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screen_print(APP_NAME " " APP_VERSION, 0, 0);
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screen_show_logo();
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screen_update();
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delay(LOGO_DELAY);
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}
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// TTN setup
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if (!ttn_setup()) {
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screen_print("[ERR] Radio module not found!\n");
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delay(MESSAGE_TO_SLEEP_DELAY);
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screen_off();
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sleep_forever();
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}
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ttn_register(callback);
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ttn_join();
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ttn_sf(LORAWAN_SF);
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ttn_adr(LORAWAN_ADR);
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if(!LORAWAN_ADR){
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LMIC_setLinkCheckMode(0); // Link check problematic if not using ADR. Must be set after join
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}
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}
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void loop() {
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gps_loop();
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ttn_loop();
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screen_loop();
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// Send every SEND_INTERVAL millis
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static uint32_t last = 0;
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static bool first = true;
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if (0 == last || millis() - last > SEND_INTERVAL) {
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if (0 < gps_hdop() && gps_hdop() < 50 && gps_latitude() != 0 && gps_longitude() != 0) {
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last = millis();
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first = false;
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Serial.println("TRANSMITTING");
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send();
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} else {
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if (first) {
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screen_print("Waiting GPS lock\n");
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first = false;
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}
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if (millis() > GPS_WAIT_FOR_LOCK) {
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sleep();
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}
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}
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}
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}
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