102 lines
2.5 KiB
C
102 lines
2.5 KiB
C
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/**
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* @file NexGpio.h
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*
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* The definition of class NexGpio.
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*
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* @author Wu Pengfei (email:<pengfei.wu@itead.cc>)
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* @date 2015/8/13
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*
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* @copyright
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* Copyright (C) 2014-2015 ITEAD Intelligent Systems Co., Ltd. \n
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*/
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#ifndef _NEXGPIO_H
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#define _NEXGPIO_H
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#include "NexTouch.h"
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#include "NexHardware.h"
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/**
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* @addtogroup Component
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* @{
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*/
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/**
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* NexGpio component.
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*/
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class NexGpio
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{
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public:
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/**
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* Set gpio mode
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*
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* @param port - the gpio port number
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* @param mode - set gpio port mode(0--Pull on the input
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* 1--the control input binding
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* 2--Push-pull output
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* 3--pwm output
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* 4--open mode leakage)
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* @param control_id - nextion controls id ,when the modeel is 1 to be valid
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* @return true if success, false for failure
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*/
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bool pin_mode(uint32_t port,uint32_t mode,uint32_t control_id);
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/**
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* write a HIGH or a LOW value to a digital pin
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*
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* @param port - the gpio port number
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* @param value - HIGH or LOW
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* @return true if success, false for failure
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*/
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bool digital_write(uint32_t port,uint32_t value);
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/**
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* read a HIGH or a LOW value to a digital pin
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*
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* @param port - the gpio port number
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* @return the value from a specified digital pin, either high or low
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*/
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uint32_t digital_read(uint32_t port);
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/**
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* writes an analog value (PWM wave) to a pin
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*
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* @param port - the gpio port number
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* @param value - the duty cycle: between 0 (always off) and 100 (always on).
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* @return true if success, false for failure
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*/
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bool analog_write(uint32_t port,uint32_t value);
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/**
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* writes pwm output frequency
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*
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* @param value - the frequency: between 1 and 65535
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* @return true if success, false for failure
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*/
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bool set_pwmfreq(uint32_t value);
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/**
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* read pwm output frequency
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*
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* @param number - the frequency
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* @return true if success, false for failure
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*/
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uint32_t get_pwmfreq(uint32_t *number);
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};
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/**
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* @}
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*/
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#endif /* #ifndef __NEXGPIO_H__ */
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