MultiButton/examples/example_callback.c

#include "multi_button.h"

typedef enum {
	BUTTON_ID_0,
	BUTTON_ID_2,

	BUTTON_ID_MAX

} BUTTON_ID_INDEX;

struct Button btnGroup[BUTTON_ID_MAX];
uint8_t btnActiveLevel[BUTTON_ID_MAX] = {0, 0};

uint8_t read_button_level()
{
	uint8_t code = 0x01;
	for (size_t i = 0; i < BUTTON_ID_MAX; i++)
	{
		if (get_button_current() == &btnGroup[i])
		{
			switch (i)
			{
			case BUTTON_ID_0:
				code = HAL_GPIO_ReadPin(B1_GPIO_Port, B1_Pin);
				break;
			case BUTTON_ID_2:
				code = HAL_GPIO_ReadPin(B2_GPIO_Port, B2_Pin);
				break;

			default:
				break;
			}
		}
	}
	return code;
}

void BTN_EVENT_Handler(void *btn)
{
	for (size_t i = 0; i < BUTTON_ID_MAX; i++)
	{
		if (((Button *)btn) == &btnGroup[i])
		{
			switch (((Button *)btn)->event)
			{
			case PRESS_DOWN:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;
			case PRESS_UP:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;
			case PRESS_REPEAT:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;
			case SINGLE_CLICK:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;
			case DOUBLE_CLICK:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;
			case LONG_PRESS_START:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;
			case LONG_PRESS_HOLD:
				switch (i)
				{
				case BUTTON_ID_0:
					// do something
					break;
				case BUTTON_ID_2:
					// do something
					break;

				default:
					break;
				}
				break;

			default:
				break;
			}
		}
	}
}

int main()
{
	for (size_t i = 0; i < BUTTON_ID_MAX; i++)
	{
		button_init(&btnGroup[i], read_button_level, btnActiveLevel[i]);

		button_attach(&btnGroup[i], PRESS_DOWN, BTN_EVENT_Handler);
		button_attach(&btnGroup[i], PRESS_UP, BTN_EVENT_Handler);
		button_attach(&btnGroup[i], PRESS_REPEAT, BTN_EVENT_Handler);
		button_attach(&btnGroup[i], SINGLE_CLICK, BTN_EVENT_Handler);
		button_attach(&btnGroup[i], DOUBLE_CLICK, BTN_EVENT_Handler);
		button_attach(&btnGroup[i], LONG_PRESS_START, BTN_EVENT_Handler);
		button_attach(&btnGroup[i], LONG_PRESS_HOLD, BTN_EVENT_Handler);

		button_start(&btnGroup[i]);
	}

	// make the timer invoking the button_ticks() interval 5ms.
	// This function is implemented by yourself.
	__timer_start(button_ticks, 0, 5);

	while (1)
	{
	}
}