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Back port to r0p6

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This commit is contained in:
Wenting Zhang 2024-06-22 17:19:37 -07:00
parent e178b6dff9
commit d1eb78aa9e
7 changed files with 68 additions and 25 deletions
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7
fw/button.c
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@ -21,6 +21,7 @@
//
#include <stdio.h>
#include "pico/stdlib.h"
#include "config.h"
#include "button.h"
#define BTN1 6
@ -33,6 +34,7 @@
#define RELEASE_THRESHOLD 20
void button_init() {
#ifdef HAS_BUTTON
gpio_init(BTN1);
gpio_set_dir(BTN1, GPIO_IN);
gpio_pull_up(BTN1);
@ -40,6 +42,7 @@ void button_init() {
gpio_init(BTN2);
gpio_set_dir(BTN2, GPIO_IN);
gpio_pull_up(BTN2);
#endif
}
// Scan a single key, ID is the key number from 0, gpio is pin number
@ -119,8 +122,12 @@ static uint32_t button_scan_single(int id, int gpio) {
}
uint32_t button_scan() {
#ifdef HAS_BUTTON
uint32_t btn1 = button_scan_single(0, BTN1);
uint32_t btn2 = button_scan_single(1, BTN2);
uint32_t retval = (btn1 & 0x3) | ((btn2 & 0x3) << 2);
return retval;
#else
return 0;
#endif
}