20260610
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#ifndef HW_INIT_H
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#define HW_INIT_H
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#include <stdint.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ---------- 基本 GPIO ---------- */
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esp_err_t hw_gpio_init(void);
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/* ---------- 电源控制 ---------- */
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esp_err_t hw_power_init(void); /* 开启外围电源 (POW_CTL) */
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esp_err_t hw_battery_adc_init(void); /* 初始化电池电压 ADC */
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uint32_t hw_battery_read_mv(void); /* 读取电池电压 (mV),内部自动开关MOS */
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/* ---------- 按钮 ---------- */
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esp_err_t hw_button_init(void);
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uint8_t hw_button_read(void); /* 返回编码: 0=none, 1=left, 2=right, 3=mid */
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/* ---------- LED ---------- */
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esp_err_t hw_led_init(void);
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void hw_led_set(bool on);
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/* ---------- I2C ---------- */
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esp_err_t hw_i2c_init(void);
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/* ---------- SPI ---------- */
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esp_err_t hw_spi_init(void);
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/* ---------- TFT 背光 PWM ---------- */
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esp_err_t hw_tft_backlight_init(void);
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void hw_tft_backlight_set(uint8_t duty); /* 0–100 */
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/* ---------- 一键初始化所有外设 ---------- */
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esp_err_t hw_all_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HW_INIT_H */
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