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feat(core):Introduce charging controller [no changelog]

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kopecdav 2025-04-25 12:15:37 +02:00 committed by kopecdav
parent 5b3c46c81f
commit 936b46fa71
2 changed files with 54 additions and 3 deletions
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11
core/embed/sys/power_manager/stm32u5/power_manager_internal.h
View File

@ -31,8 +31,10 @@
#define POWER_MANAGER_SHUTDOWN_TIMEOUT_MS 15000
#define POWER_MANAGER_BATTERY_UNDERVOLT_THRESHOLD_V 3.0f
#define POWER_MANAGER_BATTERY_UNDERVOLT_HYSTERESIS_V 0.5f
#define POWER_MANAGER_BATTERY_LOW_THRESHOLD_V 3.2f
#define POWER_MANAGER_BATTERY_LOW_RECOVERY_V 3.3f
#define POWER_MANAGER_BATTERY_LOW_THRESHOLD_V 3.15f
#define POWER_MANAGER_BATTERY_LOW_RECOVERY_V 3.2f
#define POWER_MANAGER_WPC_CHARGE_CURR_STEP_MA 50
#define POWER_MANAGER_WPC_CHARGE_CURR_STEP_TIMEOUT_MS 1000
// Event flag manipulation macros
#define PM_SET_EVENT(flags, event) ((flags) |= (event))
@ -45,6 +47,10 @@ typedef struct {
power_manager_state_t state;
power_manager_event_t event_flags;
// Battery charging state
uint16_t charging_current_target_ma;
uint32_t charging_target_timestamp;
// Power source hardware state
npm1300_report_t pmic_data;
stwlc38_report_t wireless_data;
@ -82,6 +88,7 @@ extern power_manager_driver_t g_power_manager;
void pm_monitor_power_sources(void);
void pm_process_state_machine(void);
void pm_pmic_data_ready(void* context, npm1300_report_t* report);
void pm_charging_controller(power_manager_driver_t* drv);
// State handlers
power_manager_state_t pm_handle_state_active(power_manager_driver_t* drv);

46
core/embed/sys/power_manager/stm32u5/power_monitoring.c
View File

@ -76,7 +76,10 @@ void pm_monitor_power_sources(void) {
drv->battery_low = false;
}
// Request fresh measurements
// Run battery charging controller
pm_charging_controller(drv);
// Request fresh measurements from PMIC
npm1300_measure(pm_pmic_data_ready, NULL);
drv->pmic_measurement_ready = false;
@ -101,3 +104,44 @@ void pm_pmic_data_ready(void* context, npm1300_report_t* report) {
drv->pmic_measurement_ready = true;
}
void pm_charging_controller(power_manager_driver_t* drv) {
// Check if external power is available
if (drv->usb_connected) {
// USB connected, set maximum charging current right away
drv->charging_current_target_ma = NPM1300_CHARGING_LIMIT_MAX;
} else if (drv->wireless_connected) {
// Gradually increase charging current to the maximum
if (drv->charging_current_target_ma == NPM1300_CHARGING_LIMIT_MAX) {
// No action required
} else if (drv->charging_current_target_ma == 0) {
drv->charging_current_target_ma = NPM1300_CHARGING_LIMIT_MIN;
drv->charging_target_timestamp = systick_ms();
} else if (systick_ms() - drv->charging_target_timestamp >
POWER_MANAGER_WPC_CHARGE_CURR_STEP_TIMEOUT_MS) {
drv->charging_current_target_ma += POWER_MANAGER_WPC_CHARGE_CURR_STEP_MA;
drv->charging_target_timestamp = systick_ms();
if (drv->charging_current_target_ma > NPM1300_CHARGING_LIMIT_MAX) {
drv->charging_current_target_ma = NPM1300_CHARGING_LIMIT_MAX;
}
}
} else {
// No external power source, turn off charging
drv->charging_current_target_ma = 0;
}
// Set charging target
if (drv->charging_current_target_ma != npm1300_get_charging_limit()) {
// Set charging current limit
npm1300_set_charging_limit(drv->charging_current_target_ma);
}
if (drv->charging_current_target_ma == 0) {
npm1300_set_charging(false);
} else {
npm1300_set_charging(true);
}
}