45 lines
873 B
C
45 lines
873 B
C
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#include "multi_button.h"
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unit8_t btn1_id = 0;
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struct Button btn1;
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uint8_t read_button_GPIO(uint8_t button_id)
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{
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// you can share the GPIO read function with multiple Buttons
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switch(button_id)
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{
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case btn1_id:
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return HAL_GPIO_ReadPin(B1_GPIO_Port, B1_Pin);
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default:
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return 0;
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}
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}
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int main()
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{
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static PressEvent btn1_event_val;
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button_init(&btn1, read_button_GPIO, 0, btn1_id);
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button_start(&btn1);
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//make the timer invoking the button_ticks() interval 5ms.
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//This function is implemented by yourself.
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__timer_start(button_ticks, 0, 5);
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while(1)
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{
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if(btn1_event_val != get_button_event(&btn1)) {
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btn1_event_val = get_button_event(&btn1);
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if(btn1_event_val == PRESS_DOWN) {
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//do something
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} else if(btn1_event_val == PRESS_UP) {
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//do something
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} else if(btn1_event_val == LONG_PRESS_HOLD) {
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//do something
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}
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}
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}
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}
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