Signal Library

This library provide tracking input signals and generate event on signal change

Abstract

This library used for handle input signals

it's based on HAL layer user can port library to every hardware

Port

for port library user must implement following functions

initPin - configure pin based on input PinConfig

void Signal_initPin(const Signal_PinConfig* config);

deinitPin - reset pin to register reset value

void Signal_deInitPin(const Signal_PinConfig* config);

readPin - read pin and return 1 or 0

uint8_t Signal_readPin(const Signal_PinConfig* config);

and in the final step give Signal_Driver to Signal_init function remember deinitPin function it's optional and can be disable in Configuration

const Signal_Driver signalpadDriver = {
    Signal_initPin,
    Signal_readPin,
#if SIGNAL_IO_DEINIT
    Signal_deInitPin,
#endif
};
//...

Signal_init(&signalDriver);

Configuration

in the configuration part in top of Key.h user can change and customize library based on what need in project

SIGNAL_MULTI_CALLBACK

define KEY_MULTI_CALLBACK if u want have sperate callback functions for each state such as Signal_onFalling, Signal_onLow, Signal_onRising

SIGNAL_IO_DEINIT

user must define deinitPin function in Signal_Driver

SIGNAL_CONFIG_IO

if signal is based on pair of GPIO and Pin num must enable it for arduino must disable it

SIGNAL_IO

hold signal io user can change it to GPIO_TypeDef or anything else that system want

SIGNAL_PIN

hold signal pin num or pin bit user can change it to uint8_t for 8-bit systems like AVR

SIGNAL_MAX_NUM

maximum number of signals -1 for unlimited, lib use linked list x for limited signals, lib use pointer array