unleashed-firmware/applications/debug/unit_tests/power/power_test.c

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#include <furi.h>
#include <furi_hal.h>
#include "../minunit.h"
static void power_test_deinit(void) {
// Try to reset to default charge voltage limit
furi_hal_power_set_battery_charge_voltage_limit(4.208f);
}
MU_TEST(test_power_charge_voltage_limit_exact) {
// Power of 16mV charge voltage limits get applied exactly
// (bq25896 charge controller works in 16mV increments)
//
// This test may need adapted if other charge controllers are used in the future.
for(uint16_t charge_mv = 3840; charge_mv <= 4208; charge_mv += 16) {
float charge_volt = (float)charge_mv / 1000.0f;
furi_hal_power_set_battery_charge_voltage_limit(charge_volt);
mu_assert_double_eq(charge_volt, furi_hal_power_get_battery_charge_voltage_limit());
}
}
MU_TEST(test_power_charge_voltage_limit_floating_imprecision) {
// 4.016f should act as 4.016 V, even with floating point imprecision
furi_hal_power_set_battery_charge_voltage_limit(4.016f);
mu_assert_double_eq(4.016f, furi_hal_power_get_battery_charge_voltage_limit());
}
MU_TEST(test_power_charge_voltage_limit_inexact) {
// Charge voltage limits that are not power of 16mV get truncated down
furi_hal_power_set_battery_charge_voltage_limit(3.841f);
mu_assert_double_eq(3.840, furi_hal_power_get_battery_charge_voltage_limit());
furi_hal_power_set_battery_charge_voltage_limit(3.900f);
mu_assert_double_eq(3.888, furi_hal_power_get_battery_charge_voltage_limit());
furi_hal_power_set_battery_charge_voltage_limit(4.200f);
mu_assert_double_eq(4.192, furi_hal_power_get_battery_charge_voltage_limit());
}
MU_TEST(test_power_charge_voltage_limit_invalid_clamped) {
// Out-of-range charge voltage limits get clamped to 3.840 V and 4.208 V
furi_hal_power_set_battery_charge_voltage_limit(3.808f);
mu_assert_double_eq(3.840, furi_hal_power_get_battery_charge_voltage_limit());
furi_hal_power_set_battery_charge_voltage_limit(1.0f);
mu_assert_double_eq(3.840, furi_hal_power_get_battery_charge_voltage_limit());
// NOTE: Intentionally picking a small increment above 4.208 V to reduce the risk of an
// unhappy battery if this fails.
furi_hal_power_set_battery_charge_voltage_limit(4.240f);
mu_assert_double_eq(4.208, furi_hal_power_get_battery_charge_voltage_limit());
// Likewise, picking a number that the uint8_t wraparound in the driver would result in a
// VREG value under 23 if this test fails.
// E.g. (uint8_t)((8105-3840)/16) -> 10
furi_hal_power_set_battery_charge_voltage_limit(8.105f);
mu_assert_double_eq(4.208, furi_hal_power_get_battery_charge_voltage_limit());
}
MU_TEST_SUITE(test_power_suite) {
MU_RUN_TEST(test_power_charge_voltage_limit_exact);
MU_RUN_TEST(test_power_charge_voltage_limit_floating_imprecision);
MU_RUN_TEST(test_power_charge_voltage_limit_inexact);
MU_RUN_TEST(test_power_charge_voltage_limit_invalid_clamped);
power_test_deinit();
}
int run_minunit_test_power() {
MU_RUN_SUITE(test_power_suite);
return MU_EXIT_CODE;
}