380 lines
9.8 KiB
C++
380 lines
9.8 KiB
C++
#include <U8g2lib.h>
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#include <Wire.h>
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#include "tamalib.h"
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#include "hw.h"
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#include "bitmaps.h"
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#include "hardcoded_state.h"
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#include "savestate.h"
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/***** U8g2 SSD1306 Library Setting *****/
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#define DISPLAY_I2C_ADDRESS 0x3C
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#define SCREEN_WIDTH 128 // OLED display width, in pixels
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#define SCREEN_HEIGHT 64 // OLED display height, in pixels
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/****************************************/
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/***** Tama Setting and Features *****/
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#define TAMA_DISPLAY_FRAMERATE 12
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#define ENABLE_TAMA_SOUND
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#define ENABLE_REAL_TIME
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#define ENABLE_SAVE_STATUS
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#define AUTO_SAVE_MINUTES 10 // Auto save for every 10 minutes
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#define ENABLE_LOAD_STATE_FROM_EEPROM
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#define EMULATOR_CLOCK_SPEED 1000000
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/***************************/
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/***** Set display orientation, U8G2_MIRROR_VERTICAL is not supported *****/
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//#define U8G2_LAYOUT_NORMAL
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#define U8G2_LAYOUT_ROTATE_180
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//#define U8G2_LAYOUT_MIRROR
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/**************************************************************************/
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#ifdef U8G2_LAYOUT_NORMAL1002714
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U8G2_SSD1306_128X64_NONAME_2_HW_I2C display(U8G2_R0);
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#endif
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#ifdef U8G2_LAYOUT_ROTATE_180
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U8G2_SSD1306_128X64_NONAME_2_HW_I2C display(U8G2_R2);
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#endif
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#ifdef U8G2_LAYOUT_MIRROR
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U8G2_SSD1306_128X64_NONAME_2_HW_I2C display(U8G2_MIRROR);
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#endif
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#define PIN_BTN_L 12 // D6
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#define PIN_BTN_M 13 // D7
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#define PIN_BTN_R 15 // D8
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#define PIN_BUZZER 0 // D5
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/**** TamaLib Specific Variables ****/
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static uint16_t current_freq = 0;
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static bool_t matrix_buffer[LCD_HEIGHT][LCD_WIDTH/8] = {{0}};
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static byte runOnceBool = 0;
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static bool_t icon_buffer[ICON_NUM] = {0};
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static cpu_state_t cpuState;
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static unsigned long lastSaveTimestamp = 0;
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/************************************/
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static void hal_halt(void) {
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//Serial.println("Halt!");
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}
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static void hal_log(log_level_t level, char *buff, ...) {
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Serial.println(buff);
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}
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static void hal_sleep_until(timestamp_t ts) {
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#ifdef ENABLE_REAL_TIME
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int32_t remaining = (int32_t)(ts - hal_get_timestamp());
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if (remaining > 0) {
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delayMicroseconds(remaining);
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}
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#endif
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}
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// Get the current timestamp in microseconds
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static timestamp_t hal_get_timestamp(void) {
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return micros();
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}
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static void hal_update_screen(void) {
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displayTama();
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}
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static void hal_set_lcd_matrix(u8_t x, u8_t y, bool_t val) {
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uint8_t mask;
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if (val) {
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mask = 0b10000000 >> (x % 8);
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matrix_buffer[y][x/8] = matrix_buffer[y][x/8] | mask;
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} else {
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mask = 0b01111111;
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for(byte i=0;i<(x % 8);i++) {
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mask = (mask >> 1) | 0b10000000;
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}
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matrix_buffer[y][x/8] = matrix_buffer[y][x/8] & mask;
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}
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}
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static void hal_set_lcd_icon(u8_t icon, bool_t val) {
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icon_buffer[icon] = val;
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}
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static void hal_set_frequency(u32_t freq) {
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current_freq = freq;
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}
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static void hal_play_frequency(bool_t en) {
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#ifdef ENABLE_TAMA_SOUND
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if (en) {
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tone(PIN_BUZZER, current_freq);
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} else {
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noTone(PIN_BUZZER);
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}
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#endif
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}
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static bool_t button4state = 0;
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static int hal_handler(void) {
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#ifdef ENABLE_SERIAL_DUMP
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if (Serial.available() > 0) {
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int incomingByte = Serial.read();
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Serial.println(incomingByte, DEC);
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if (incomingByte==48) { // 0
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dumpStateToSerial();
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}
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}
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#endif
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#ifdef ENABLE_SERIAL_DEBUG_INPUT
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if (Serial.available() > 0) {
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int incomingByte = Serial.read();
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Serial.println(incomingByte, DEC);
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if (incomingByte==49) { // 1
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hw_set_button(BTN_LEFT, BTN_STATE_PRESSED );
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} else if (incomingByte==52) { // 4 which is above 1 on a pad
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hw_set_button(BTN_LEFT, BTN_STATE_RELEASED );
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} else if (incomingByte==50) { // 2
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hw_set_button(BTN_MIDDLE, BTN_STATE_PRESSED );
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} else if (incomingByte==53) { // 5 which is above 2 on a pad
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hw_set_button(BTN_MIDDLE, BTN_STATE_RELEASED );
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} else if (incomingByte==51) { // 3
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hw_set_button(BTN_RIGHT, BTN_STATE_PRESSED );
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} else if (incomingByte==54) { // 6 which is above 3 on a pad
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hw_set_button(BTN_RIGHT, BTN_STATE_RELEASED );
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}
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}
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#else
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if (digitalRead(PIN_BTN_L) == HIGH) {
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hw_set_button(BTN_LEFT, BTN_STATE_PRESSED );
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} else {
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hw_set_button(BTN_LEFT, BTN_STATE_RELEASED );
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}
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if (digitalRead(PIN_BTN_M) == HIGH) {
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hw_set_button(BTN_MIDDLE, BTN_STATE_PRESSED );
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} else {
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hw_set_button(BTN_MIDDLE, BTN_STATE_RELEASED );
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}
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if (digitalRead(PIN_BTN_R) == HIGH) {
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hw_set_button(BTN_RIGHT, BTN_STATE_PRESSED );
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} else {
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hw_set_button(BTN_RIGHT, BTN_STATE_RELEASED );
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}
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#ifdef ENABLE_SAVE_STATUS
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if (digitalRead(PIN_BTN_L) == HIGH && digitalRead(PIN_BTN_M) == HIGH && digitalRead(PIN_BTN_R) == HIGH) {
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if (button4state==0) {
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saveStateToEEPROM(&cpuState);
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noTone(PIN_BUZZER);
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tone(PIN_BUZZER, 700, 100);
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delay(120);
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noTone(PIN_BUZZER);
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tone(PIN_BUZZER, 880, 100);
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delay(120);
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noTone(PIN_BUZZER);
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tone(PIN_BUZZER, 1175, 100);
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delay(120);
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noTone(PIN_BUZZER);
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}
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button4state = 1;
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} else {
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button4state = 0;
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}
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#endif
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#endif
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return 0;
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}
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static hal_t hal = {
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.halt = &hal_halt,
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.log = &hal_log,
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.sleep_until = &hal_sleep_until,
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.get_timestamp = &hal_get_timestamp,
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.update_screen = &hal_update_screen,
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.set_lcd_matrix = &hal_set_lcd_matrix,
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.set_lcd_icon = &hal_set_lcd_icon,
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.set_frequency = &hal_set_frequency,
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.play_frequency = &hal_play_frequency,
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.handler = &hal_handler,
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};
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void drawTamaRow(uint8_t tamaLCD_y, uint8_t ActualLCD_y, uint8_t thick) {
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uint8_t i;
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for (i = 0; i < LCD_WIDTH; i++) {
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uint8_t mask = 0b10000000;
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mask = mask >> (i % 8);
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if ((matrix_buffer[tamaLCD_y][i/8] & mask) != 0) {
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display.drawBox(i+i+i+16, ActualLCD_y, 2, thick);
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}
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}
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}
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void drawTamaSelection(uint8_t y) {
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uint8_t i;
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for (i = 0; i < 8; i++) {
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if (icon_buffer[i]) {
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display.drawXBMP(i * 16 + 4, y + 6, 8, 8, bitmaps + i * 8);
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}
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}
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}
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void displayTama() {
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uint8_t j;
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display.firstPage();
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#ifdef U8G2_LAYOUT_ROTATE_180
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drawTamaSelection(49);
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display.nextPage();
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for (j = 11; j < LCD_HEIGHT; j++) {
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drawTamaRow(j, j + j + j, 2);
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}
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display.nextPage();
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for (j = 5; j <= 10; j++) {
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if (j == 5) {
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drawTamaRow(j, j + j + j + 1, 1);
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} else {
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drawTamaRow(j, j + j + j, 2);
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}
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}
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display.nextPage();
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for (j = 0; j <= 5; j++) {
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if (j == 5) {
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drawTamaRow(j, j + j + j, 1);
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} else {
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drawTamaRow(j, j + j + j, 2);
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}
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}
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display.nextPage();
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#else
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for (j = 0; j < LCD_HEIGHT; j++) {
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if (j != 5) drawTamaRow(j, j + j + j, 2);
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if (j == 5) {
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drawTamaRow(j, j + j + j, 1);
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display.nextPage();
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drawTamaRow(j, j + j + j + 1, 1);
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}
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if (j == 10) display.nextPage();
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}
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display.nextPage();
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drawTamaSelection(49);
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display.nextPage();
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#endif
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}
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#if defined(ENABLE_DUMP_STATE_TO_SERIAL_WHEN_START) || defined(ENABLE_SERIAL_DUMP)
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void dumpStateToSerial() {
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uint16_t i, count = 0;
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char tmp[10];
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cpu_get_state(&cpuState);
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u4_t *memTemp = cpuState.memory;
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uint8_t *cpuS = (uint8_t *)&cpuState;
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Serial.println("");
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Serial.println("static const uint8_t hardcodedState[] PROGMEM = {");
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for (i = 0; i < sizeof(cpu_state_t); i++, count++) {
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sprintf(tmp, "0x%02X,", cpuS[i]);
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Serial.print(tmp);
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if ((count % 16) == 15) Serial.println("");
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}
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for (i = 0; i < MEMORY_SIZE; i++, count++) {
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sprintf(tmp, "0x%02X,", memTemp[i]);
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Serial.print(tmp);
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if ((count % 16) == 15) Serial.println("");
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}
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Serial.println("};");
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}
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#endif
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uint8_t reverseBits(uint8_t num) {
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uint8_t reverse_num = 0;
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uint8_t i;
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for (i = 0; i < 8; i++) {
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if ((num & (1 << i)))
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reverse_num |= 1 << ((8 - 1) - i);
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}
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return reverse_num;
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}
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void setup() {
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Serial.begin(9600);
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pinMode(PIN_BTN_L, INPUT);
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pinMode(PIN_BTN_M, INPUT);
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pinMode(PIN_BTN_R, INPUT);
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pinMode(PIN_BUZZER, OUTPUT);
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, HIGH);
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display.setI2CAddress(DISPLAY_I2C_ADDRESS * 2); // required if display does not use default address of 0x3C
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display.begin(); // initialize U8g2 graphics library for selected display module
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tamalib_register_hal(&hal);
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tamalib_set_framerate(TAMA_DISPLAY_FRAMERATE);
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// Tamagochi clock init
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tamalib_init(EMULATOR_CLOCK_SPEED);
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#if defined(ENABLE_SAVE_STATUS) || defined(AUTO_SAVE_MINUTES) || defined(ENABLE_LOAD_STATE_FROM_EEPROM)
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initEEPROM();
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#endif
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#ifdef ENABLE_LOAD_STATE_FROM_EEPROM
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if (validEEPROM()) {
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loadStateFromEEPROM(&cpuState);
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} else {
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Serial.println(F("No magic number in state, skipping state restore"));
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}
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#elif defined(ENABLE_LOAD_HARCODED_STATE_WHEN_START)
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loadHardcodedState(&cpuState);
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#endif
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#ifdef ENABLE_DUMP_STATE_TO_SERIAL_WHEN_START
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dumpStateToSerial();
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#endif
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}
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uint32_t middle_long_press_started = 0;
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uint32_t right_long_press_started = 0;
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bool is_display_off = false;
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const uint32_t AUTO_SAVE_INTERVAL = AUTO_SAVE_MINUTES * 60 * 1000;
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void loop() {
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tamalib_mainloop_step_by_step();
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unsigned long currentMillis = millis();
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#ifdef AUTO_SAVE_MINUTES
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if ((currentMillis - lastSaveTimestamp) > AUTO_SAVE_INTERVAL) {
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digitalWrite(LED_BUILTIN, LOW);
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lastSaveTimestamp = currentMillis;
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saveStateToEEPROM(&cpuState);
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digitalWrite(LED_BUILTIN, HIGH);
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}
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#endif
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bool middleLeftPressed = (digitalRead(PIN_BTN_M) == HIGH) && (digitalRead(PIN_BTN_L) == HIGH);
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bool rightPressed = (digitalRead(PIN_BTN_R) == HIGH);
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if (middleLeftPressed) {
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if ((currentMillis - middle_long_press_started) > 2000) {
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eraseStateFromEEPROM();
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#if defined(ESP8266) || defined(ESP32)
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ESP.restart();
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#endif
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}
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} else {
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middle_long_press_started = currentMillis;
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}
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if (rightPressed) {
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if ((currentMillis - right_long_press_started) > 2000) {
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if (!is_display_off) {
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display.sleepOn();
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is_display_off = true;
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}
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} else if (is_display_off) {
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display.sleepOff();
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is_display_off = false;
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}
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} else {
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right_long_press_started = currentMillis;
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}
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}
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