Ken Van Hoeylandt
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
#include "BatteryManager.h"
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#include <tactility/check.h>
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#include <tactility/device.h>
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#include <tactility/drivers/backlight.h>
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#include <tactility/drivers/gpio.h>
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#include <tactility/drivers/gpio_controller.h>
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#include <tactility/log.h>
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#include <drivers/bq24295.h>
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constexpr auto* TAG = "unPhoneFeatures";
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namespace expanderpin {
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static constexpr gpio_pin_t EXPANDER_POWER = 0; // enable exp brd if high
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}
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bool BatteryManager::initGpioExpander() {
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if (device_get_by_name("tca9535", &expander) != ERROR_NONE) {
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LOG_E(TAG, "IO expander device not found");
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return false;
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}
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expanderPowerPin = gpio_descriptor_acquire(expander, expanderpin::EXPANDER_POWER, GPIO_OWNER_GPIO);
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check(expanderPowerPin != nullptr);
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gpio_descriptor_set_flags(expanderPowerPin, GPIO_FLAG_DIRECTION_OUTPUT);
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device_put(expander);
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return true;
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}
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bool BatteryManager::init() {
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LOG_I(TAG, "init");
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if (!initGpioExpander()) {
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LOG_E(TAG, "GPIO expander init failed");
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return false;
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}
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return true;
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}
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bool BatteryManager::setExpanderPower(bool on) const {
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return gpio_descriptor_set_level(expanderPowerPin, on) == ERROR_NONE;
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}
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void BatteryManager::turnPeripheralsOff() const {
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setExpanderPower(false);
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Device* backlight = nullptr;
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check(device_get_by_name("display_backlight", &backlight) == ERROR_NONE);
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backlight_set_brightness(backlight, 0); // Allowed to fail, we don't care about the result
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device_put(backlight);
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}
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void BatteryManager::setShipping(bool on) const {
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if (on) {
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LOG_W(TAG, "setShipping: on");
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bq24295_set_watchdog_timer(batteryManagement, BQ24295_WATCHDOG_DISABLED);
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bq24295_set_bat_fet_on(batteryManagement, false);
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} else {
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LOG_W(TAG, "setShipping: off");
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bq24295_set_watchdog_timer(batteryManagement, BQ24295_WATCHDOG_ENABLED_40S);
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bq24295_set_bat_fet_on(batteryManagement, true);
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}
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}
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bool BatteryManager::isUsbPowerConnected() const {
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bool connected = false;
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return bq24295_is_usb_power_connected(batteryManagement, &connected) == ERROR_NONE && connected;
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}
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