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cleanly disable bluetooth while serial API is in use (and only then)

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This commit is contained in:
Kevin Hester 2021-03-25 08:54:43 +08:00
parent 0261c243e0
commit 13cfce48fa
1 changed files with 64 additions and 26 deletions
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90
src/PowerFSM.cpp
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@ -9,6 +9,23 @@
#include "sleep.h"
#include "target_specific.h"
/// Should we behave as if we have AC power now?
static bool isPowered()
{
bool isRouter = radioConfig.preferences.is_router;
// If we are not a router and we already have AC power go to POWER state after init, otherwise go to ON
// We assume routers might be powered all the time, but from a low current (solar) source
bool isLowPower = radioConfig.preferences.is_low_power || isRouter;
/* To determine if we're externally powered, assumptions
1) If we're powered up and there's no battery, we must be getting power externally. (because we'd be dead otherwise)
2) If we detect USB power from the power management chip, we must be getting power externally.
*/
return !isLowPower && powerStatus && (!powerStatus->getHasBattery() || powerStatus->getHasUSB());
}
static void sdsEnter()
{
// FIXME - make sure GPS and LORA radio are off first - because we want close to zero current draw
@ -119,14 +136,34 @@ static void serialEnter()
{
setBluetoothEnable(false);
screen->setOn(true);
screen->print("Using API...\n");
screen->print("Serial connected\n");
}
static void serialExit()
{
screen->print("Serial disconnected\n");
}
static void powerEnter()
{
screen->setOn(true);
setBluetoothEnable(true);
screen->print("Powered...\n");
if (!isPowered()) {
// If we got here, we are in the wrong state - we should be in powered, let that state ahndle things
DEBUG_MSG("Loss of power in Powered\n");
powerFSM.trigger(EVENT_POWER_DISCONNECTED);
} else {
screen->setOn(true);
setBluetoothEnable(true);
screen->print("Powered...\n");
}
}
static void powerIdle()
{
if (!isPowered()) {
// If we got here, we are in the wrong state
DEBUG_MSG("Loss of power in Powered\n");
powerFSM.trigger(EVENT_POWER_DISCONNECTED);
}
}
static void powerExit()
@ -153,6 +190,14 @@ static void onEnter()
}
}
static void onIdle()
{
if (isPowered()) {
// If we got here, we are in the wrong state - we should be in powered, let that state ahndle things
powerFSM.trigger(EVENT_POWER_CONNECTED);
}
}
static void screenPress()
{
screen->onPress();
@ -164,26 +209,16 @@ State stateSDS(sdsEnter, NULL, NULL, "SDS");
State stateLS(lsEnter, lsIdle, lsExit, "LS");
State stateNB(nbEnter, NULL, NULL, "NB");
State stateDARK(darkEnter, NULL, NULL, "DARK");
State stateSERIAL(serialEnter, NULL, NULL, "SERIAL");
State stateSERIAL(serialEnter, NULL, serialExit, "SERIAL");
State stateBOOT(bootEnter, NULL, NULL, "BOOT");
State stateON(onEnter, NULL, NULL, "ON");
State statePOWER(powerEnter, NULL, powerExit, "POWER");
State stateON(onEnter, onIdle, NULL, "ON");
State statePOWER(powerEnter, powerIdle, powerExit, "POWER");
Fsm powerFSM(&stateBOOT);
void PowerFSM_setup()
{
bool isRouter = radioConfig.preferences.is_router;
// If we are not a router and we already have AC power go to POWER state after init, otherwise go to ON
// We assume routers might be powered all the time, but from a low current (solar) source
bool isLowPower = radioConfig.preferences.is_low_power || isRouter;
/* To determine if we're externally powered, assumptions
1) If we're powered up and there's no battery, we must be getting power externally. (because we'd be dead otherwise)
2) If we detect USB power from the power management chip, we must be getting power externally.
*/
bool hasPower = !isLowPower && powerStatus && (!powerStatus->getHasBattery() || powerStatus->getHasUSB());
bool hasPower = isPowered();
DEBUG_MSG("PowerFSM init, USB power=%d\n", hasPower);
powerFSM.add_timed_transition(&stateBOOT, hasPower ? &statePOWER : &stateON, 3 * 1000, NULL, "boot timeout");
@ -231,22 +266,25 @@ void PowerFSM_setup()
powerFSM.add_transition(&stateON, &stateON, EVENT_RECEIVED_TEXT_MSG, NULL, "Received text"); // restarts the sleep timer
}
// If we are not in statePOWER but get a serial connection, suppress sleep (and keep the screen on) while connected
powerFSM.add_transition(&stateLS, &stateSERIAL, EVENT_SERIAL_CONNECTED, NULL, "serial API");
powerFSM.add_transition(&stateNB, &stateSERIAL, EVENT_SERIAL_CONNECTED, NULL, "serial API");
powerFSM.add_transition(&stateDARK, &stateSERIAL, EVENT_SERIAL_CONNECTED, NULL, "serial API");
powerFSM.add_transition(&stateON, &stateSERIAL, EVENT_SERIAL_CONNECTED, NULL, "serial API");
powerFSM.add_transition(&statePOWER, &stateSERIAL, EVENT_SERIAL_CONNECTED, NULL, "serial API");
if (!isLowPower) {
powerFSM.add_transition(&stateLS, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&stateNB, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&stateDARK, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&stateON, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
}
// If we get power connected, go to the power connect state
powerFSM.add_transition(&stateLS, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&stateNB, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&stateDARK, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&stateON, &statePOWER, EVENT_POWER_CONNECTED, NULL, "power connect");
powerFSM.add_transition(&statePOWER, &stateON, EVENT_POWER_DISCONNECTED, NULL, "power disconnected");
powerFSM.add_transition(&stateSERIAL, &stateON, EVENT_POWER_DISCONNECTED, NULL, "power disconnected");
// powerFSM.add_transition(&stateSERIAL, &stateON, EVENT_POWER_DISCONNECTED, NULL, "power disconnected");
powerFSM.add_transition(&stateSERIAL, &stateNB, EVENT_SERIAL_DISCONNECTED, NULL, "serial disconnect");
// the only way to leave state serial is for the client to disconnect (or we timeout and force disconnect them)
// when we leave, go to ON (which might not be the correct state if we have power connected, we will fix that in onEnter)
powerFSM.add_transition(&stateSERIAL, &stateON, EVENT_SERIAL_DISCONNECTED, NULL, "serial disconnect");
powerFSM.add_transition(&stateDARK, &stateDARK, EVENT_CONTACT_FROM_PHONE, NULL, "Contact from phone");