119 lines
2.5 KiB
C++
119 lines
2.5 KiB
C++
// Conflicts with std c++ headers
|
|
#undef min
|
|
#undef max
|
|
|
|
#include "button.h"
|
|
#include "debounce.h"
|
|
#include "lcg_rng.h"
|
|
#include "segment.h"
|
|
#include "uniform_int_dist.h"
|
|
|
|
|
|
#define BUTTON_PIN 1
|
|
#define DISPLAY_ENABLE 3
|
|
|
|
lcg_rng rng;
|
|
std::uniform_int_distribution<uint8_t> distribution(1,16);
|
|
|
|
SegmentDisplay<4, 2, 0> display;
|
|
|
|
using MainButton = Button<150, 150>;
|
|
|
|
Debounce<20> debounce;
|
|
MainButton button;
|
|
|
|
#define NUM_SLOWDOWN 12
|
|
const uint16_t PROGMEM SLOWDOWN[NUM_SLOWDOWN] = {
|
|
35, 32,
|
|
20, 64,
|
|
8, 125,
|
|
4, 250,
|
|
2, 500,
|
|
2, 1000
|
|
};
|
|
|
|
void setup() {
|
|
pinMode(BUTTON_PIN, INPUT_PULLUP);
|
|
|
|
pinMode(DISPLAY_ENABLE, OUTPUT);
|
|
digitalWrite(DISPLAY_ENABLE, 0);
|
|
|
|
display.setDash();
|
|
display.write();
|
|
}
|
|
|
|
enum class State : uint8_t {
|
|
Idle,
|
|
Menu,
|
|
Counting,
|
|
Slowing
|
|
};
|
|
|
|
auto state = State::Idle;
|
|
uint16_t timeout;
|
|
|
|
void loop() {
|
|
rng();
|
|
|
|
bool buttonPressed = !digitalRead(PIN1);
|
|
auto event = button.event(debounce.event(buttonPressed));
|
|
|
|
switch(state) {
|
|
case State::Idle:
|
|
if(event == ButtonEvent::Press) {
|
|
state = State::Slowing;
|
|
} else if(event == ButtonEvent::LongPress) {
|
|
state = State::Counting;
|
|
timeout = millis();
|
|
} else if(event == ButtonEvent::DoublePress) {
|
|
state = State::Menu;
|
|
}
|
|
break;
|
|
case State::Menu:
|
|
// TODO
|
|
state = State::Idle;
|
|
break;
|
|
case State::Counting:
|
|
if(event == ButtonEvent::LongPress) {
|
|
// stay in this state
|
|
if((uint16_t) millis() - timeout >= 32) {
|
|
displayNextNumber();
|
|
timeout = millis();
|
|
}
|
|
} else {
|
|
state = State::Slowing;
|
|
}
|
|
break;
|
|
case State::Slowing:
|
|
slowdown();
|
|
state = State::Idle;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint8_t currentNumber;
|
|
void displayNextNumber() {
|
|
currentNumber = distribution(rng);
|
|
display.set(currentNumber);
|
|
display.write();
|
|
}
|
|
|
|
void slowdown() {
|
|
for(size_t i = 0; i < NUM_SLOWDOWN; i += 2) {
|
|
for(size_t j = 0; j < pgm_read_word_near(SLOWDOWN + i); ++j) {
|
|
displayNextNumber();
|
|
delay(pgm_read_word_near(SLOWDOWN + i + 1));
|
|
}
|
|
}
|
|
|
|
for(uint8_t i = 0; i < 2; ++i) {
|
|
display.setOff();
|
|
display.write();
|
|
delay(250);
|
|
display.set(currentNumber);
|
|
display.write();
|
|
delay(250);
|
|
}
|
|
}
|
|
|