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meshtastic-firmware/src/main.cpp

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12 KiB
C++
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/*
Main module
# Modified by Kyle T. Gabriel to fix issue with incorrect GPS data for TTNMapper
Copyright (C) 2018 by Xose Pérez <xose dot perez at gmail dot com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "BluetoothUtil.h"
#include "GPS.h"
#include "MeshBluetoothService.h"
#include "MeshRadio.h"
#include "MeshService.h"
#include "NodeDB.h"
#include "Periodic.h"
#include "PowerFSM.h"
#include "configuration.h"
#include "esp32/pm.h"
#include "esp_pm.h"
#include "rom/rtc.h"
#include "screen.h"
#include "sleep.h"
#include <Wire.h>
#include <driver/rtc_io.h>
#ifdef T_BEAM_V10
#include "axp20x.h"
AXP20X_Class axp;
bool pmu_irq = false;
#endif
// Global Screen singleton
#ifdef I2C_SDA
meshtastic::Screen screen(SSD1306_ADDRESS, I2C_SDA, I2C_SCL);
#else
// Fake values for pins to keep build happy, we won't ever initialize it.
meshtastic::Screen screen(SSD1306_ADDRESS, 0, 0);
#endif
// these flags are all in bss so they default false
bool isCharging;
bool isUSBPowered;
bool ssd1306_found;
bool axp192_found;
bool bluetoothOn;
// -----------------------------------------------------------------------------
// Application
// -----------------------------------------------------------------------------
void scanI2Cdevice(void)
{
byte err, addr;
int nDevices = 0;
for (addr = 1; addr < 127; addr++) {
Wire.beginTransmission(addr);
err = Wire.endTransmission();
if (err == 0) {
DEBUG_MSG("I2C device found at address 0x%x\n", addr);
nDevices++;
if (addr == SSD1306_ADDRESS) {
ssd1306_found = true;
DEBUG_MSG("ssd1306 display found\n");
}
#ifdef T_BEAM_V10
if (addr == AXP192_SLAVE_ADDRESS) {
axp192_found = true;
DEBUG_MSG("axp192 PMU found\n");
}
#endif
} else if (err == 4) {
DEBUG_MSG("Unknow error at address 0x%x\n", addr);
}
}
if (nDevices == 0)
DEBUG_MSG("No I2C devices found\n");
else
DEBUG_MSG("done\n");
}
/**
* Init the power manager chip
*
* axp192 power
DCDC1 0.7-3.5V @ 1200mA max -> OLED // If you turn this off you'll lose comms to the axp192 because the OLED and the axp192
share the same i2c bus, instead use ssd1306 sleep mode DCDC2 -> unused DCDC3 0.7-3.5V @ 700mA max -> ESP32 (keep this on!) LDO1
30mA -> charges GPS backup battery // charges the tiny J13 battery by the GPS to power the GPS ram (for a couple of days), can
not be turned off LDO2 200mA -> LORA LDO3 200mA -> GPS
*/
void axp192Init()
{
#ifdef T_BEAM_V10
if (axp192_found) {
if (!axp.begin(Wire, AXP192_SLAVE_ADDRESS)) {
DEBUG_MSG("AXP192 Begin PASS\n");
// axp.setChgLEDMode(LED_BLINK_4HZ);
DEBUG_MSG("DCDC1: %s\n", axp.isDCDC1Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("DCDC2: %s\n", axp.isDCDC2Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("LDO2: %s\n", axp.isLDO2Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("LDO3: %s\n", axp.isLDO3Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("DCDC3: %s\n", axp.isDCDC3Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("----------------------------------------\n");
axp.setPowerOutPut(AXP192_LDO2, AXP202_ON); // LORA radio
axp.setPowerOutPut(AXP192_LDO3, AXP202_ON); // GPS main power
axp.setPowerOutPut(AXP192_DCDC2, AXP202_ON);
axp.setPowerOutPut(AXP192_EXTEN, AXP202_ON);
axp.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
axp.setDCDC1Voltage(3300); // for the OLED power
DEBUG_MSG("DCDC1: %s\n", axp.isDCDC1Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("DCDC2: %s\n", axp.isDCDC2Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("LDO2: %s\n", axp.isLDO2Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("LDO3: %s\n", axp.isLDO3Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("DCDC3: %s\n", axp.isDCDC3Enable() ? "ENABLE" : "DISABLE");
DEBUG_MSG("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
#if 0
// cribbing from https://github.com/m5stack/M5StickC/blob/master/src/AXP192.cpp to fix charger to be more like 300ms.
// I finally found an english datasheet. Will look at this later - but suffice it to say the default code from TTGO has 'issues'
axp.adc1Enable(0xff, 1); // turn on all adcs
uint8_t val = 0xc2;
axp._writeByte(0x33, 1, &val); // Bat charge voltage to 4.2, Current 280mA
val = 0b11110010;
// Set ADC sample rate to 200hz
// axp._writeByte(0x84, 1, &val);
// Not connected
//val = 0xfc;
//axp._writeByte(AXP202_VHTF_CHGSET, 1, &val); // Set temperature protection
//not used
//val = 0x46;
//axp._writeByte(AXP202_OFF_CTL, 1, &val); // enable bat detection
#endif
axp.debugCharging();
#ifdef PMU_IRQ
pinMode(PMU_IRQ, INPUT_PULLUP);
attachInterrupt(
PMU_IRQ, [] { pmu_irq = true; }, RISING);
axp.adc1Enable(AXP202_BATT_CUR_ADC1, 1);
axp.enableIRQ(AXP202_VBUS_REMOVED_IRQ | AXP202_VBUS_CONNECT_IRQ | AXP202_BATT_REMOVED_IRQ | AXP202_BATT_CONNECT_IRQ,
1);
axp.clearIRQ();
#endif
isCharging = axp.isChargeing() ? 1 : 0;
isUSBPowered = axp.isVBUSPlug() ? 1 : 0;
} else {
DEBUG_MSG("AXP192 Begin FAIL\n");
}
} else {
DEBUG_MSG("AXP192 not found\n");
}
#endif
}
const char *getDeviceName()
{
uint8_t dmac[6];
assert(esp_efuse_mac_get_default(dmac) == ESP_OK);
// Meshtastic_ab3c
static char name[20];
sprintf(name, "Meshtastic_%02x%02x", dmac[4], dmac[5]);
return name;
}
void setup()
{
// Debug
#ifdef DEBUG_PORT
DEBUG_PORT.begin(SERIAL_BAUD);
#endif
initDeepSleep();
#ifdef VEXT_ENABLE
pinMode(VEXT_ENABLE, OUTPUT);
digitalWrite(VEXT_ENABLE, 0); // turn on the display power
#endif
#ifdef RESET_OLED
pinMode(RESET_OLED, OUTPUT);
digitalWrite(RESET_OLED, 1);
#endif
#ifdef I2C_SDA
Wire.begin(I2C_SDA, I2C_SCL);
scanI2Cdevice();
#endif
// Buttons & LED
#ifdef BUTTON_PIN
pinMode(BUTTON_PIN, INPUT_PULLUP);
digitalWrite(BUTTON_PIN, 1);
#endif
#ifdef LED_PIN
pinMode(LED_PIN, OUTPUT);
digitalWrite(LED_PIN, 1); // turn on for now
#endif
// Hello
DEBUG_MSG("Meshtastic swver=%s, hwver=%s\n", xstr(APP_VERSION), xstr(HW_VERSION));
// Don't init display if we don't have one or we are waking headless due to a timer event
if (wakeCause == ESP_SLEEP_WAKEUP_TIMER)
ssd1306_found = false; // forget we even have the hardware
// Initialize the screen first so we can show the logo while we start up everything else.
if (ssd1306_found)
screen.setup();
axp192Init();
screen.print("Started...\n");
// Init GPS
gps.setup();
service.init();
// This must be _after_ service.init because we need our preferences loaded from flash to have proper timeout values
PowerFSM_setup(); // we will transition to ON in a couple of seconds, FIXME, only do this for cold boots, not waking from SDS
// setBluetoothEnable(false); we now don't start bluetooth until we enter the proper state
setCPUFast(false); // 80MHz is fine for our slow peripherals
}
void initBluetooth()
{
DEBUG_MSG("Starting bluetooth\n");
// FIXME - we are leaking like crazy
// AllocatorScope scope(btPool);
// Note: these callbacks might be coming in from a different thread.
BLEServer *serve = initBLE(
[](uint8_t pin) {
powerFSM.trigger(EVENT_BLUETOOTH_PAIR);
screen.startBluetoothPinScreen(pin);
},
[]() { screen.stopBluetoothPinScreen(); }, getDeviceName(), HW_VENDOR, xstr(APP_VERSION),
xstr(HW_VERSION)); // FIXME, use a real name based on the macaddr
createMeshBluetoothService(serve);
// Start advertising - this must be done _after_ creating all services
serve->getAdvertising()->start();
}
void setBluetoothEnable(bool on)
{
if (on != bluetoothOn) {
DEBUG_MSG("Setting bluetooth enable=%d\n", on);
bluetoothOn = on;
if (on) {
Serial.printf("Pre BT: %u heap size\n", ESP.getFreeHeap());
// ESP_ERROR_CHECK( heap_trace_start(HEAP_TRACE_LEAKS) );
initBluetooth();
} else {
// We have to totally teardown our bluetooth objects to prevent leaks
stopMeshBluetoothService(); // Must do before shutting down bluetooth
deinitBLE();
destroyMeshBluetoothService(); // must do after deinit, because it frees our service
Serial.printf("Shutdown BT: %u heap size\n", ESP.getFreeHeap());
// ESP_ERROR_CHECK( heap_trace_stop() );
// heap_trace_dump();
}
}
}
uint32_t ledBlinker()
{
static bool ledOn;
ledOn ^= 1;
setLed(ledOn);
// have a very sparse duty cycle of LED being on, unless charging, then blink 0.5Hz square wave rate to indicate that
return isCharging ? 1000 : (ledOn ? 2 : 1000);
}
Periodic ledPeriodic(ledBlinker);
#if 0
// Turn off for now
uint32_t axpReads()
{
axp.debugCharging();
DEBUG_MSG("vbus current %f\n", axp.getVbusCurrent());
DEBUG_MSG("charge current %f\n", axp.getBattChargeCurrent());
DEBUG_MSG("bat voltage %f\n", axp.getBattVoltage());
DEBUG_MSG("batt pct %d\n", axp.getBattPercentage());
return 30 * 1000;
}
Periodic axpDebugOutput(axpReads);
#endif
void loop()
{
uint32_t msecstosleep = 1000 * 30; // How long can we sleep before we again need to service the main loop?
powerFSM.run_machine();
gps.loop();
screen.loop();
service.loop();
ledPeriodic.loop();
// axpDebugOutput.loop();
loopBLE();
// for debug printing
// service.radio.rf95.canSleep();
#ifdef T_BEAM_V10
if (axp192_found) {
#ifdef PMU_IRQ
if (pmu_irq) {
pmu_irq = false;
axp.readIRQ();
DEBUG_MSG("pmu irq!\n");
isCharging = axp.isChargeing() ? 1 : 0;
isUSBPowered = axp.isVBUSPlug() ? 1 : 0;
axp.clearIRQ();
}
// FIXME AXP192 interrupt is not firing, remove this temporary polling of battery state
isCharging = axp.isChargeing() ? 1 : 0;
isUSBPowered = axp.isVBUSPlug() ? 1 : 0;
#endif
}
#endif
#ifdef BUTTON_PIN
// if user presses button for more than 3 secs, discard our network prefs and reboot (FIXME, use a debounce lib instead of
// this boilerplate)
static bool wasPressed = false;
if (!digitalRead(BUTTON_PIN)) {
if (!wasPressed) { // just started a new press
DEBUG_MSG("pressing\n");
// doLightSleep();
// esp_pm_dump_locks(stdout); // FIXME, do this someplace better
wasPressed = true;
powerFSM.trigger(EVENT_PRESS);
}
} else if (wasPressed) {
// we just did a release
wasPressed = false;
}
#endif
// Show boot screen for first 3 seconds, then switch to normal operation.
static bool showingBootScreen = true;
if (showingBootScreen && (millis() > 3000)) {
screen.stopBootScreen();
showingBootScreen = false;
}
// No GPS lock yet, let the OS put the main CPU in low power mode for 100ms (or until another interrupt comes in)
// i.e. don't just keep spinning in loop as fast as we can.
// DEBUG_MSG("msecs %d\n", msecstosleep);
// FIXME - until button press handling is done by interrupt (see polling above) we can't sleep very long at all or buttons
// feel slow
msecstosleep = 10;
delay(msecstosleep);
}
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