FuriHal, Power, UnitTests: battery charging voltage limit API (#2063)
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6a470a464e
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@ -316,7 +316,7 @@ void minunit_print_fail(const char* error);
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MU__SAFE_BLOCK( \
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double minunit_tmp_e; double minunit_tmp_r; minunit_assert++; minunit_tmp_e = (expected); \
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minunit_tmp_r = (result); \
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if(fabs(minunit_tmp_e - minunit_tmp_r) > MINUNIT_EPSILON) { \
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if(fabs(minunit_tmp_e - minunit_tmp_r) > (double)MINUNIT_EPSILON) { \
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int minunit_significant_figures = 1 - log10(MINUNIT_EPSILON); \
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snprintf( \
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minunit_last_message, \
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62
applications/debug/unit_tests/power/power_test.c
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62
applications/debug/unit_tests/power/power_test.c
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@ -0,0 +1,62 @@
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#include <furi.h>
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#include <furi_hal.h>
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#include "../minunit.h"
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static void power_test_deinit(void) {
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// Try to reset to default charging voltage
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furi_hal_power_set_battery_charging_voltage(4.208f);
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}
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MU_TEST(test_power_charge_voltage_exact) {
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// Power of 16mV charge voltages get applied exactly
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// (bq25896 charge controller works in 16mV increments)
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//
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// This test may need adapted if other charge controllers are used in the future.
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for(uint16_t charge_mv = 3840; charge_mv <= 4208; charge_mv += 16) {
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float charge_volt = (float)charge_mv / 1000.0f;
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furi_hal_power_set_battery_charging_voltage(charge_volt);
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mu_assert_double_eq(charge_volt, furi_hal_power_get_battery_charging_voltage());
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}
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}
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MU_TEST(test_power_charge_voltage_floating_imprecision) {
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// 4.016f should act as 4.016 V, even with floating point imprecision
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furi_hal_power_set_battery_charging_voltage(4.016f);
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mu_assert_double_eq(4.016f, furi_hal_power_get_battery_charging_voltage());
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}
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MU_TEST(test_power_charge_voltage_inexact) {
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// Charge voltages that are not power of 16mV get truncated down
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furi_hal_power_set_battery_charging_voltage(3.841f);
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mu_assert_double_eq(3.840, furi_hal_power_get_battery_charging_voltage());
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furi_hal_power_set_battery_charging_voltage(3.900f);
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mu_assert_double_eq(3.888, furi_hal_power_get_battery_charging_voltage());
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furi_hal_power_set_battery_charging_voltage(4.200f);
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mu_assert_double_eq(4.192, furi_hal_power_get_battery_charging_voltage());
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}
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MU_TEST(test_power_charge_voltage_invalid_clamped) {
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// Out-of-range charge voltages get clamped to 3.840 V and 4.208 V
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furi_hal_power_set_battery_charging_voltage(3.808f);
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mu_assert_double_eq(3.840, furi_hal_power_get_battery_charging_voltage());
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// NOTE: Intentionally picking a small increment above 4.208 V to reduce the risk of an
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// unhappy battery if this fails.
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furi_hal_power_set_battery_charging_voltage(4.240f);
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mu_assert_double_eq(4.208, furi_hal_power_get_battery_charging_voltage());
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}
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MU_TEST_SUITE(test_power_suite) {
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MU_RUN_TEST(test_power_charge_voltage_exact);
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MU_RUN_TEST(test_power_charge_voltage_floating_imprecision);
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MU_RUN_TEST(test_power_charge_voltage_inexact);
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MU_RUN_TEST(test_power_charge_voltage_invalid_clamped);
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power_test_deinit();
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}
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int run_minunit_test_power() {
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MU_RUN_SUITE(test_power_suite);
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return MU_EXIT_CODE;
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}
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@ -19,6 +19,7 @@ int run_minunit_test_stream();
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int run_minunit_test_storage();
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int run_minunit_test_subghz();
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int run_minunit_test_dirwalk();
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int run_minunit_test_power();
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int run_minunit_test_protocol_dict();
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int run_minunit_test_lfrfid_protocols();
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int run_minunit_test_nfc();
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@ -44,6 +45,7 @@ const UnitTest unit_tests[] = {
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{.name = "subghz", .entry = run_minunit_test_subghz},
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{.name = "infrared", .entry = run_minunit_test_infrared},
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{.name = "nfc", .entry = run_minunit_test_nfc},
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{.name = "power", .entry = run_minunit_test_power},
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{.name = "protocol_dict", .entry = run_minunit_test_protocol_dict},
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{.name = "lfrfid", .entry = run_minunit_test_lfrfid_protocols},
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{.name = "bit_lib", .entry = run_minunit_test_bit_lib},
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@ -12,6 +12,20 @@ void power_draw_battery_callback(Canvas* canvas, void* context) {
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if(power->info.gauge_is_ok) {
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canvas_draw_box(canvas, 2, 2, (power->info.charge + 4) / 5, 4);
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if(power->info.voltage_battery_charging < 4.2) {
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// Battery charging voltage is modified, indicate with cross pattern
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canvas_invert_color(canvas);
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uint8_t battery_bar_width = (power->info.charge + 4) / 5;
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bool cross_odd = false;
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// Start 1 further in from the battery bar's x position
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for(uint8_t x = 3; x <= battery_bar_width; x++) {
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// Cross pattern is from the center of the battery bar
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// y = 2 + 1 (inset) + 1 (for every other)
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canvas_draw_dot(canvas, x, 3 + (uint8_t)cross_odd);
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cross_odd = !cross_odd;
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}
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canvas_invert_color(canvas);
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}
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if(power->state == PowerStateCharging) {
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canvas_set_bitmap_mode(canvas, 1);
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canvas_set_color(canvas, ColorWhite);
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@ -132,6 +146,7 @@ static bool power_update_info(Power* power) {
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info.capacity_full = furi_hal_power_get_battery_full_capacity();
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info.current_charger = furi_hal_power_get_battery_current(FuriHalPowerICCharger);
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info.current_gauge = furi_hal_power_get_battery_current(FuriHalPowerICFuelGauge);
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info.voltage_battery_charging = furi_hal_power_get_battery_charging_voltage();
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info.voltage_charger = furi_hal_power_get_battery_voltage(FuriHalPowerICCharger);
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info.voltage_gauge = furi_hal_power_get_battery_voltage(FuriHalPowerICFuelGauge);
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info.voltage_vbus = furi_hal_power_get_usb_voltage();
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@ -41,6 +41,7 @@ typedef struct {
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float current_charger;
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float current_gauge;
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float voltage_battery_charging;
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float voltage_charger;
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float voltage_gauge;
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float voltage_vbus;
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@ -7,6 +7,7 @@ static void power_settings_scene_battery_info_update_model(PowerSettingsApp* app
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.gauge_voltage = app->info.voltage_gauge,
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.gauge_current = app->info.current_gauge,
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.gauge_temperature = app->info.temperature_gauge,
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.charging_voltage = app->info.voltage_battery_charging,
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.charge = app->info.charge,
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.health = app->info.health,
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};
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@ -68,6 +68,16 @@ static void draw_battery(Canvas* canvas, BatteryInfoModel* data, int x, int y) {
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drain_current > HIGH_DRAIN_CURRENT_THRESHOLD ? "mA!" : "mA");
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} else if(drain_current != 0) {
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snprintf(header, 20, "...");
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} else if(data->charging_voltage < 4.2) {
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// Non-default battery charging limit, mention it
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snprintf(emote, sizeof(emote), "Charged!");
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snprintf(header, sizeof(header), "Limited to");
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snprintf(
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value,
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sizeof(value),
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"%ld.%ldV",
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(uint32_t)(data->charging_voltage),
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(uint32_t)(data->charging_voltage * 10) % 10);
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} else {
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snprintf(header, sizeof(header), "Charged!");
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}
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@ -9,6 +9,7 @@ typedef struct {
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float gauge_voltage;
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float gauge_current;
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float gauge_temperature;
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float charging_voltage;
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uint8_t charge;
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uint8_t health;
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} BatteryInfoModel;
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@ -1194,6 +1194,7 @@ Function,+,furi_hal_power_enable_external_3_3v,void,
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Function,+,furi_hal_power_enable_otg,void,
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Function,+,furi_hal_power_gauge_is_ok,_Bool,
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Function,+,furi_hal_power_get_bat_health_pct,uint8_t,
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Function,+,furi_hal_power_get_battery_charging_voltage,float,
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Function,+,furi_hal_power_get_battery_current,float,FuriHalPowerIC
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Function,+,furi_hal_power_get_battery_design_capacity,uint32_t,
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Function,+,furi_hal_power_get_battery_full_capacity,uint32_t,
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@ -1212,6 +1213,7 @@ Function,+,furi_hal_power_is_charging_done,_Bool,
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Function,+,furi_hal_power_is_otg_enabled,_Bool,
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Function,+,furi_hal_power_off,void,
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Function,+,furi_hal_power_reset,void,
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Function,+,furi_hal_power_set_battery_charging_voltage,void,float
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Function,+,furi_hal_power_shutdown,void,
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Function,+,furi_hal_power_sleep,void,
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Function,+,furi_hal_power_sleep_available,_Bool,
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@ -341,6 +341,20 @@ bool furi_hal_power_is_otg_enabled() {
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return ret;
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}
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float furi_hal_power_get_battery_charging_voltage() {
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furi_hal_i2c_acquire(&furi_hal_i2c_handle_power);
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float ret = (float)bq25896_get_vreg_voltage(&furi_hal_i2c_handle_power) / 1000.0f;
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furi_hal_i2c_release(&furi_hal_i2c_handle_power);
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return ret;
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}
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void furi_hal_power_set_battery_charging_voltage(float voltage) {
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furi_hal_i2c_acquire(&furi_hal_i2c_handle_power);
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// Adding 0.0005 is necessary because 4.016f is 4.015999794000, which gets truncated
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bq25896_set_vreg_voltage(&furi_hal_i2c_handle_power, (uint16_t)(voltage * 1000.0f + 0.0005f));
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furi_hal_i2c_release(&furi_hal_i2c_handle_power);
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}
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void furi_hal_power_check_otg_status() {
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furi_hal_i2c_acquire(&furi_hal_i2c_handle_power);
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if(bq25896_check_otg_fault(&furi_hal_i2c_handle_power))
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@ -470,10 +484,10 @@ void furi_hal_power_info_get(PropertyValueCallback out, char sep, void* context)
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if(sep == '.') {
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property_value_out(&property_context, NULL, 2, "format", "major", "2");
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property_value_out(&property_context, NULL, 2, "format", "minor", "0");
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property_value_out(&property_context, NULL, 2, "format", "minor", "1");
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} else {
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property_value_out(&property_context, NULL, 3, "power", "info", "major", "1");
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property_value_out(&property_context, NULL, 3, "power", "info", "minor", "0");
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property_value_out(&property_context, NULL, 3, "power", "info", "minor", "1");
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}
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uint8_t charge = furi_hal_power_get_pct();
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@ -481,7 +495,7 @@ void furi_hal_power_info_get(PropertyValueCallback out, char sep, void* context)
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const char* charge_state;
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if(furi_hal_power_is_charging()) {
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if(charge < 100) {
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if((charge < 100) && (!furi_hal_power_is_charging_done())) {
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charge_state = "charging";
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} else {
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charge_state = "charged";
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@ -491,6 +505,8 @@ void furi_hal_power_info_get(PropertyValueCallback out, char sep, void* context)
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}
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property_value_out(&property_context, NULL, 2, "charge", "state", charge_state);
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uint16_t charge_voltage = (uint16_t)(furi_hal_power_get_battery_charging_voltage() * 1000.f);
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property_value_out(&property_context, "%u", 2, "charge", "voltage", charge_voltage);
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uint16_t voltage =
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(uint16_t)(furi_hal_power_get_battery_voltage(FuriHalPowerICFuelGauge) * 1000.f);
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property_value_out(&property_context, "%u", 2, "battery", "voltage", voltage);
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@ -567,6 +583,13 @@ void furi_hal_power_debug_get(PropertyValueCallback out, void* context) {
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"charger",
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"vbat",
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bq25896_get_vbat_voltage(&furi_hal_i2c_handle_power));
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property_value_out(
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&property_context,
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"%d",
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2,
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"charger",
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"vreg",
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bq25896_get_vreg_voltage(&furi_hal_i2c_handle_power));
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property_value_out(
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&property_context,
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"%d",
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@ -121,6 +121,22 @@ void furi_hal_power_check_otg_status();
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*/
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bool furi_hal_power_is_otg_enabled();
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/** Get battery charging voltage in V
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*
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* @return voltage in V
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*/
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float furi_hal_power_get_battery_charging_voltage();
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/** Set battery charging voltage in V
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*
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* Invalid values will be clamped to the nearest valid value.
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*
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* @param voltage[in] voltage in V
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*
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* @return voltage in V
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*/
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void furi_hal_power_set_battery_charging_voltage(float voltage);
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/** Get remaining battery battery capacity in mAh
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*
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* @return capacity in mAh
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@ -132,6 +132,33 @@ bool bq25896_is_otg_enabled(FuriHalI2cBusHandle* handle) {
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return bq25896_regs.r03.OTG_CONFIG;
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}
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uint16_t bq25896_get_vreg_voltage(FuriHalI2cBusHandle* handle) {
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furi_hal_i2c_read_reg_8(
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handle, BQ25896_ADDRESS, 0x06, (uint8_t*)&bq25896_regs.r06, BQ25896_I2C_TIMEOUT);
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return (uint16_t)bq25896_regs.r06.VREG * 16 + 3840;
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}
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void bq25896_set_vreg_voltage(FuriHalI2cBusHandle* handle, uint16_t vreg_voltage) {
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if(vreg_voltage < 3840) {
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// Minimum value is 3840 mV
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bq25896_regs.r06.VREG = 0;
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} else {
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// Find the nearest voltage value (subtract offset, divide into sections)
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// Values are truncated downward as needed (e.g. 4200mV -> 4192 mV)
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bq25896_regs.r06.VREG = (uint8_t)((vreg_voltage - 3840) / 16);
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}
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// Do not allow values above 23 (0x17, 4208mV)
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// Exceeding 4.2v will overcharge the battery!
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if(bq25896_regs.r06.VREG > 23) {
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bq25896_regs.r06.VREG = 23;
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}
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// Apply changes
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furi_hal_i2c_write_reg_8(
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handle, BQ25896_ADDRESS, 0x06, *(uint8_t*)&bq25896_regs.r06, BQ25896_I2C_TIMEOUT);
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}
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bool bq25896_check_otg_fault(FuriHalI2cBusHandle* handle) {
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furi_hal_i2c_read_reg_8(
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handle, BQ25896_ADDRESS, 0x0C, (uint8_t*)&bq25896_regs.r0C, BQ25896_I2C_TIMEOUT);
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@ -36,6 +36,15 @@ void bq25896_disable_otg(FuriHalI2cBusHandle* handle);
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/** Is otg enabled */
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bool bq25896_is_otg_enabled(FuriHalI2cBusHandle* handle);
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/** Get VREG (charging) voltage in mV */
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uint16_t bq25896_get_vreg_voltage(FuriHalI2cBusHandle* handle);
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/** Set VREG (charging) voltage in mV
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*
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* Valid range: 3840mV - 4208mV, in steps of 16mV
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*/
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void bq25896_set_vreg_voltage(FuriHalI2cBusHandle* handle, uint16_t vreg_voltage);
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/** Check OTG BOOST Fault status */
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bool bq25896_check_otg_fault(FuriHalI2cBusHandle* handle);
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