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https://github.com/switchbrew/libnx.git
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78 lines
2.4 KiB
C
78 lines
2.4 KiB
C
/**
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* @file gpio.h
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* @brief GPIO service IPC wrapper.
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* @author SciresM
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../types.h"
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#include "../kernel/event.h"
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#include "../sf/service.h"
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typedef enum {
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GpioPadName_AudioCodec = 1,
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GpioPadName_ButtonVolUp = 25,
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GpioPadName_ButtonVolDown = 26,
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GpioPadName_SdCd = 56,
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} GpioPadName;
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typedef struct {
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Service s;
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} GpioPadSession;
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typedef enum {
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GpioDirection_Input = 0,
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GpioDirection_Output = 1,
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} GpioDirection;
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typedef enum {
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GpioValue_Low = 0,
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GpioValue_High = 1,
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} GpioValue;
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typedef enum {
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GpioInterruptMode_LowLevel = 0,
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GpioInterruptMode_HighLevel = 1,
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GpioInterruptMode_RisingEdge = 2,
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GpioInterruptMode_FallingEdge = 3,
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GpioInterruptMode_AnyEdge = 4,
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} GpioInterruptMode;
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typedef enum {
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GpioInterruptStatus_Inactive = 0,
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GpioInterruptStatus_Active = 1,
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} GpioInterruptStatus;
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/// Initialize gpio.
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Result gpioInitialize(void);
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/// Exit gpio.
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void gpioExit(void);
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/// Gets the Service object for the actual gpio service session.
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Service* gpioGetServiceSession(void);
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Result gpioOpenSession(GpioPadSession *out, GpioPadName name);
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Result gpioOpenSession2(GpioPadSession *out, u32 device_code, u32 access_mode);
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Result gpioIsWakeEventActive(bool *out, GpioPadName name);
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Result gpioIsWakeEventActive2(bool *out, u32 device_code);
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Result gpioPadSetDirection(GpioPadSession *p, GpioDirection dir);
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Result gpioPadGetDirection(GpioPadSession *p, GpioDirection *out);
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Result gpioPadSetInterruptMode(GpioPadSession *p, GpioInterruptMode mode);
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Result gpioPadGetInterruptMode(GpioPadSession *p, GpioInterruptMode *out);
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Result gpioPadSetInterruptEnable(GpioPadSession *p, bool en);
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Result gpioPadGetInterruptEnable(GpioPadSession *p, bool *out);
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Result gpioPadGetInterruptStatus(GpioPadSession *p, GpioInterruptStatus *out); ///< [1.0.0-16.1.0]
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Result gpioPadClearInterruptStatus(GpioPadSession *p); ///< [1.0.0-16.1.0]
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Result gpioPadSetValue(GpioPadSession *p, GpioValue val);
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Result gpioPadGetValue(GpioPadSession *p, GpioValue *out);
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Result gpioPadBindInterrupt(GpioPadSession *p, Event *out);
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Result gpioPadUnbindInterrupt(GpioPadSession *p);
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Result gpioPadSetDebounceEnabled(GpioPadSession *p, bool en);
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Result gpioPadGetDebounceEnabled(GpioPadSession *p, bool *out);
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Result gpioPadSetDebounceTime(GpioPadSession *p, s32 ms);
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Result gpioPadGetDebounceTime(GpioPadSession *p, s32 *out);
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void gpioPadClose(GpioPadSession *p);
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