BQ25895Power.cpp File Reference

#include "cdc_hal/IPowerManager.h"
#include "cdc_hal/II2cBus.h"
#include "cdc_hal/hw_config.h"
#include "cdc_log.h"
#include "esp_attr.h"
#include "esp_timer.h"
#include "driver/gpio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"

Go to the source code of this file.

Classes
class	cdc::hal::BQ25895Power

Namespaces
namespace	cdc
namespace	cdc::hal

Functions
static void	cdc::hal::charger_isr (void *arg)
	GPIO interrupt handler for the charger IRQ pin.
IPowerManager *	cdc::hal::getPowerManagerInstance ()
	Returns the singleton power manager instance.

Variables
static const char *	TAG = "BQ25895"
static constexpr uint8_t	cdc::hal::BQ_REG_INPUT_CTRL = 0x00
	BQ25895 register map constants.
static constexpr uint8_t	cdc::hal::BQ_REG_ADC_CTRL = 0x02
static constexpr uint8_t	cdc::hal::BQ_REG_CHG_CTRL = 0x03
static constexpr uint8_t	cdc::hal::BQ_REG_FAST_CHG = 0x04
static constexpr uint8_t	cdc::hal::BQ_REG_TIMER = 0x07
static constexpr uint8_t	cdc::hal::BQ_REG_MISC = 0x09
static constexpr uint8_t	cdc::hal::BQ_REG_SYS_STATUS = 0x0B
static constexpr uint8_t	cdc::hal::BQ_REG_FAULT = 0x0C
static constexpr uint8_t	cdc::hal::BQ_REG_BATV = 0x0E
static constexpr uint8_t	cdc::hal::BQ_REG_SYSV = 0x0F
static constexpr uint8_t	cdc::hal::BQ_REG_TS = 0x10
static constexpr uint8_t	cdc::hal::BQ_REG_VBUS = 0x11
static constexpr uint8_t	cdc::hal::BQ_REG_ICHG = 0x12
static constexpr uint8_t	cdc::hal::BQ_REG_VINDPM = 0x13
static constexpr uint8_t	cdc::hal::BQ_REG_VENDOR = 0x14
static constexpr uint8_t	cdc::hal::BQ_ICHG_STEP_MA = 64
	Charge current and safety threshold constants.
static constexpr uint16_t	cdc::hal::BQ_SYS_MIN_MV = 3300
static constexpr uint16_t	cdc::hal::CHARGE_CURRENT_SLOW = 512
static constexpr uint16_t	cdc::hal::CHARGE_CURRENT_FAST = 1000
static constexpr uint16_t	cdc::hal::CHARGE_CURRENT_MIN = 64
static constexpr uint16_t	cdc::hal::CHARGE_CURRENT_MAX = 1024
static constexpr uint16_t	cdc::hal::BATTERY_MIN_MV = 2800
	Battery voltage thresholds for state estimation. LiPo battery characteristics (3.7V nominal, 4.2V max).
static constexpr uint16_t	cdc::hal::BATTERY_EMPTY_MV = 3200
static constexpr uint16_t	cdc::hal::BATTERY_FULL_MV = 4200
static constexpr uint16_t	cdc::hal::BATTERY_MAX_MV = 4250
static constexpr uint16_t	cdc::hal::BATTERY_USB_PASSTHRU_MIN_MV = 4000
static constexpr uint16_t	cdc::hal::BATTERY_USB_PASSTHRU_MAX_MV = BATTERY_MAX_MV
static constexpr uint32_t	cdc::hal::kPowerButtonLongPressMs = 3000
	Hold duration on the power/flash button that triggers ship mode.
static volatile bool	cdc::hal::charger_irq_pending = false
	Charger IRQ flag set by ISR and consumed in update().
static BQ25895Power	cdc::hal::g_powerManager
	Singleton power manager instance.

Variable Documentation

TAG

const char* TAG = "BQ25895"

static

BQ25895 Power Manager HAL Implementation Based on cdc-badge-os-legacy/components/cdc_badge/power_management.cpp

Applies safe defaults on every boot (charger has no persistent storage). Supports fast charging up to 1000mA for the 1200mAh LiPo battery.

Definition at line 19 of file BQ25895Power.cpp.