| /* |
| * Copyright (c) 2023 Alvaro Garcia Gomez <maxpowel@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/device.h> |
| #include <zephyr/devicetree.h> |
| #include <zephyr/drivers/fuel_gauge.h> |
| |
| |
| |
| int main(void) |
| { |
| const struct device *const dev = DEVICE_DT_GET_ANY(maxim_max17048); |
| int ret = 0; |
| |
| if (dev == NULL) { |
| printk("\nError: no device found.\n"); |
| return 0; |
| } |
| |
| if (!device_is_ready(dev)) { |
| printk("\nError: Device \"%s\" is not ready; " |
| "check the driver initialization logs for errors.\n", |
| dev->name); |
| return 0; |
| } |
| |
| |
| |
| printk("Found device \"%s\", getting fuel gauge data\n", dev->name); |
| |
| if (dev == NULL) { |
| return 0; |
| } |
| |
| while (1) { |
| |
| struct fuel_gauge_get_property props[] = { |
| { |
| .property_type = FUEL_GAUGE_RUNTIME_TO_EMPTY, |
| }, |
| { |
| .property_type = FUEL_GAUGE_RUNTIME_TO_FULL, |
| }, |
| { |
| .property_type = FUEL_GAUGE_RELATIVE_STATE_OF_CHARGE, |
| }, |
| { |
| .property_type = FUEL_GAUGE_VOLTAGE, |
| } |
| }; |
| |
| ret = fuel_gauge_get_prop(dev, props, ARRAY_SIZE(props)); |
| if (ret < 0) { |
| printk("Error: cannot get properties\n"); |
| } else { |
| if (ret != 0) { |
| printk("Warning: Some properties failed\n"); |
| } |
| |
| if (props[0].status == 0) { |
| printk("Time to empty %d\n", props[0].value.runtime_to_empty); |
| } else { |
| printk( |
| "Property FUEL_GAUGE_RUNTIME_TO_EMPTY failed with error %d\n", |
| props[0].status |
| ); |
| } |
| |
| if (props[1].status == 0) { |
| printk("Time to full %d\n", props[1].value.runtime_to_full); |
| } else { |
| printk( |
| "Property FUEL_GAUGE_RUNTIME_TO_FULL failed with error %d\n", |
| props[1].status |
| ); |
| } |
| |
| if (props[2].status == 0) { |
| printk("Charge %d%%\n", props[2].value.relative_state_of_charge); |
| } else { |
| printk( |
| "Property FUEL_GAUGE_STATE_OF_CHARGE failed with error %d\n", |
| props[2].status |
| ); |
| } |
| |
| if (props[3].status == 0) { |
| printk("Voltage %d\n", props[3].value.voltage); |
| } else { |
| printk( |
| "Property FUEL_GAUGE_VOLTAGE failed with error %d\n", |
| props[3].status |
| ); |
| } |
| } |
| |
| |
| k_sleep(K_MSEC(5000)); |
| } |
| return 0; |
| } |