obus/lib/obus_util.cpp
2022-03-18 21:42:42 +01:00

56 lines
1.2 KiB
C++

#include "obus_util.h"
uint32_t unpack_4b_into_u32(uint8_t *data) {
return
((uint32_t) data[0] << 0x18) |
((uint32_t) data[1] << 0x10) |
((uint32_t) data[2] << 0x08) |
((uint32_t) data[3]);
}
void pack_u32_into_4b(uint8_t *dest, uint32_t data) {
dest[0] = (uint8_t) ((data & 0xFF000000) >> 0x18);
dest[1] = (uint8_t) ((data & 0x00FF0000) >> 0x10);
dest[2] = (uint8_t) ((data & 0x0000FF00) >> 0x08);
dest[3] = (uint8_t) (data & 0x000000FF);
}
uint16_t unpack_2b_into_u16(uint8_t *data) {
return
((uint16_t) data[0] << 0x08) |
((uint16_t) data[1]);
}
void pack_u16_into_2b(uint8_t *dest, uint16_t data) {
dest[0] = (uint8_t) ((data & 0xFF00) >> 0x08);
dest[1] = (uint8_t) (data & 0x00FF);
}
bool Debounced::loop(bool currently_down) {
uint32_t now = millis();
if (currently_down) {
press_last_detected = now;
if (!pressing) {
// Start of new button press
pressing = true;
press_count++;
return true;
}
} else {
if (pressing && now > press_last_detected + debounce) {
pressing = false;
}
}
return false;
}
uint16_t Debounced::get_press_count() {
return press_count;
}
void Debounced::reset_press_count() {
press_count = 0;
}