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1：以下是适用于 nRF Connect SDK (NCS) 的基于 Zephyr 的示例应用程序，展示了：

• 读取电池电压和状态
• 处理来自 nPM1300 的中断（例如，电池或电源轨事件）
• 控制电源轨（通过 GPIO 启用/禁用）

main.c

#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/drivers/pmic.h>
#include <zephyr/drivers/pmic/npm1300.h>
#include <zephyr/drivers/gpio.h>
#include <zephyr/logging/log.h>
#include <zephyr/sys/printk.h>LOG_MODULE_REGISTER(npm1300_sample, LOG_LEVEL_INF);#define NPM1300_NODE DT_NODELABEL(npm1300)
#define NPM1300_IRQ_NODE DT_NODELABEL(npm1300_irq)
#define NPM1300_PWR_GPIO_NODE DT_NODELABEL(npm1300_pwrgpio)static const struct device *npm1300_dev = DEVICE_DT_GET(NPM1300_NODE);static struct gpio_callback irq_cb_data;void npm1300_irq_handler(const struct device *gpiodev, struct gpio_callback *cb, uint32_t pins)
{printk("nPM1300 IRQ triggered!\n");struct pmic_npm1300_irq_status irq_status;int ret = pmic_npm1300_irq_status_get(npm1300_dev, &irq_status);if (ret == 0) {if (irq_status.batt_chg) {LOG_INF("Battery charging event detected");}if (irq_status.vbus_det) {LOG_INF("VBUS detected event");}if (irq_status.temp) {LOG_INF("Temperature warning/fault event");}// Add more handlers as needed.} else {LOG_ERR("Failed to read nPM1300 IRQ status: %d", ret);}
}void main(void)
{if (!device_is_ready(npm1300_dev)) {LOG_ERR("nPM1300 device not ready");return;}LOG_INF("nPM1300 demo starting...");// Set up IRQ handlingconst struct device *irq_gpio_dev = DEVICE_DT_GET(NPM1300_IRQ_NODE);gpio_pin_configure(irq_gpio_dev, DT_GPIO_PIN(NPM1300_IRQ_NODE, gpios), GPIO_INPUT | DT_GPIO_FLAGS(NPM1300_IRQ_NODE, gpios));gpio_init_callback(&irq_cb_data, npm1300_irq_handler, BIT(DT_GPIO_PIN(NPM1300_IRQ_NODE, gpios)));gpio_add_callback(irq_gpio_dev, &irq_cb_data);gpio_pin_interrupt_configure(irq_gpio_dev, DT_GPIO_PIN(NPM1300_IRQ_NODE, gpios), GPIO_INT_EDGE_TO_ACTIVE);LOG_INF("nPM1300 IRQ configured");// Battery monitoring loopwhile (1) {int batt_mv;int status = pmic_npm1300_battery_voltage_get(npm1300_dev, &batt_mv);if (status == 0) {LOG_INF("Battery voltage: %d mV", batt_mv);} else {LOG_ERR("Failed to read battery voltage: %d", status);}// Power rail control (example: enable/disable)int pwr_status;status = pmic_npm1300_power_rail_enable(npm1300_dev, 0, true); // enable rail 0if (status == 0) {LOG_INF("Power rail 0 enabled");}k_sleep(K_MSEC(1000));status = pmic_npm1300_power_rail_enable(npm1300_dev, 0, false); // disable rail 0if (status == 0) {LOG_INF("Power rail 0 disabled");}k_sleep(K_SECONDS(10));}
}

prj.conf

CONFIG_PMIC_NPM1300=y
CONFIG_LOG=y
CONFIG_LOG_DEFAULT_LEVEL=3
CONFIG_GPIO=y

 nrf54l15dk_nrf54l15.overlay

&i2c1 {npm1300: npm1300@6b {compatible = "nordic,npm1300";reg = <0x6b>;// IRQ and other properties as needed};
};/ {npm1300_irq: gpio0_pin12 {gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;};
};

使用方法：

1. 将文件放置在您的 NCS 项目中（例如，在 src/ 、 boards/ 和根目录下）。
2. Build for your board:  为您的板卡构建：

west build -b nrf54l15dk_nrf54l15
west flash