SolarLader/LNSC-2420-Firmware
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charge_control: first state transition wins

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This commit is contained in:
Thomas Kolb 2021-06-12 17:07:16 +02:00
parent add925bba0
commit 62b63efba3
1 changed files with 12 additions and 2 deletions
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14
src/charge_control.c
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@ -91,16 +91,19 @@ static void solar_fsm_update(uint64_t uptime_ms, struct MeasurementResult *meas)
// temperature limit // temperature limit
if(meas->temperature > internal_temperature_limit) { if(meas->temperature > internal_temperature_limit) {
charge_state = CHARGE_HIGH_TEMPERATURE; charge_state = CHARGE_HIGH_TEMPERATURE;
break;
} }
// time limit for initial charging // time limit for initial charging
if(charge_time_in_state > INITIAL_CHARGE_HOLD_TIME) { if(charge_time_in_state > INITIAL_CHARGE_HOLD_TIME) {
charge_state = CHARGE_TRANSITION; charge_state = CHARGE_TRANSITION;
break;
} }
// low-current limit (go to sleep at night) // low-current limit (go to sleep at night)
if(meas->i_solar < sleep_solar_current) { if(meas->i_solar < sleep_solar_current) {
charge_state = CHARGE_SLEEP; charge_state = CHARGE_SLEEP;
break;
} }
break; break;
@ -111,16 +114,19 @@ static void solar_fsm_update(uint64_t uptime_ms, struct MeasurementResult *meas)
// temperature limit // temperature limit
if(meas->temperature > internal_temperature_limit) { if(meas->temperature > internal_temperature_limit) {
charge_state = CHARGE_HIGH_TEMPERATURE; charge_state = CHARGE_HIGH_TEMPERATURE;
break;
} }
// time limit for transition to float charging // time limit for transition to float charging
if(charge_time_in_state > INITIAL_TO_FLOAT_TRANSITION_TIME) { if(charge_time_in_state > INITIAL_TO_FLOAT_TRANSITION_TIME) {
charge_state = CHARGE_FLOAT; charge_state = CHARGE_FLOAT;
break;
} }
// low-current limit (go to sleep at night) // low-current limit (go to sleep at night)
if(meas->i_solar < sleep_solar_current) { if(meas->i_solar < sleep_solar_current) {
charge_state = CHARGE_SLEEP; charge_state = CHARGE_SLEEP;
break;
} }
break; break;
@ -130,11 +136,13 @@ static void solar_fsm_update(uint64_t uptime_ms, struct MeasurementResult *meas)
// temperature limit // temperature limit
if(meas->temperature > internal_temperature_limit) { if(meas->temperature > internal_temperature_limit) {
charge_state = CHARGE_HIGH_TEMPERATURE; charge_state = CHARGE_HIGH_TEMPERATURE;
break;
} }
// low-current limit (go to sleep at night) // low-current limit (go to sleep at night)
if(meas->i_solar < sleep_solar_current) { if(meas->i_solar < sleep_solar_current) {
charge_state = CHARGE_SLEEP; charge_state = CHARGE_SLEEP;
break;
} }
break; break;
@ -149,6 +157,7 @@ static void solar_fsm_update(uint64_t uptime_ms, struct MeasurementResult *meas)
if(solar_excess_voltage > sleep_solar_excess_voltage) { if(solar_excess_voltage > sleep_solar_excess_voltage) {
// resume operation // resume operation
charge_state = CHARGE_WAIT_CHARGEPUMP; charge_state = CHARGE_WAIT_CHARGEPUMP;
break;
} }
} }
break; break;
@ -161,6 +170,7 @@ static void solar_fsm_update(uint64_t uptime_ms, struct MeasurementResult *meas)
if(meas->temperature < internal_temperature_recovery) { if(meas->temperature < internal_temperature_recovery) {
charge_state = CHARGE_WAIT_CHARGEPUMP; charge_state = CHARGE_WAIT_CHARGEPUMP;
break;
} }
break; break;
@ -296,8 +306,8 @@ void charge_control_update(uint64_t uptime_ms, struct MeasurementResult *meas)
// either charge or discharge control is waiting for the charge // either charge or discharge control is waiting for the charge
// pump, so power it up! // pump, so power it up!
charge_pump_start(); charge_pump_start();
} else if((charge_state == CHARGE_SLEEP) } else if(((charge_state == CHARGE_SLEEP) || charge_control_is_charge_blocked())
&& (discharge_state == DISCHARGE_VOLTAGE_LOW)) { && ((discharge_state == DISCHARGE_VOLTAGE_LOW) || charge_control_is_discharge_blocked())) {
// no power from the solar panel and the battery voltage is too // no power from the solar panel and the battery voltage is too
// low, so both switches are off and we can safely stop the charge // low, so both switches are off and we can safely stop the charge
// pump // pump