120 lines
2.6 KiB
C++
120 lines
2.6 KiB
C++
#include <Adafruit_NeoPixel.h>
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#include <stdio.h>
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#include <termios.h>
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#include <unistd.h>
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#include "console_esp32.h"
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#include "cpu.h"
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#include "error.h"
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#define NEOPIXELS_PIN 25
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console_esp32::console_esp32(std::atomic_bool *const terminate, bus *const b) :
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console(terminate, b)
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{
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th = new std::thread(std::ref(*this));
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}
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console_esp32::~console_esp32()
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{
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if (th) {
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th->join();
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delete th;
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}
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}
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int console_esp32::wait_for_char(const int timeout)
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{
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for(int i=0; i<timeout / 10; i++) {
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if (Serial.available())
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return Serial.read();
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delay(10);
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}
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return -1;
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}
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void console_esp32::put_char_ll(const char c)
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{
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Serial.print(c);
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}
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void console_esp32::resize_terminal()
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{
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}
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void console_esp32::panel_update_thread()
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{
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Serial.println(F("panel task started"));
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cpu *const c = b->getCpu();
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constexpr const uint8_t n_leds = 60;
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Adafruit_NeoPixel pixels(n_leds, NEOPIXELS_PIN, NEO_RGBW);
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pixels.begin();
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pixels.clear();
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pixels.show();
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constexpr uint8_t brightness = 32;
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const uint32_t magenta = pixels.Color(brightness, 0, brightness);
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const uint32_t red = pixels.Color(brightness, 0, 0);
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const uint32_t green = pixels.Color(0, brightness, 0);
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const uint32_t blue = pixels.Color(0, 0, brightness);
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const uint32_t yellow = pixels.Color(brightness, brightness, 0);
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const uint32_t white = pixels.Color(brightness, brightness, brightness, brightness);
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const uint32_t run_mode_led_color[4] = { red, yellow, blue, green };
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// initial animation
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for(uint8_t i=0; i<n_leds; i++) {
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pixels.setPixelColor(i, brightness, brightness, brightness);
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int p = i - 10;
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if (p < 0)
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p += n_leds;
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pixels.setPixelColor(p, 0, 0, 0);
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pixels.show();
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delay(10);
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}
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pixels.clear();
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pixels.show();
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for(;;) {
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vTaskDelay(20 / portTICK_RATE_MS);
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// note that these are approximately as there's no mutex on the emulation
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uint16_t current_PC = c->getPC();
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uint32_t full_addr = b->calculate_full_address(current_PC);
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uint16_t current_instr = b->readWord(current_PC);
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uint16_t current_PSW = c->getPSW();
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uint32_t led_color = run_mode_led_color[current_PSW >> 14];
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for(uint8_t b=0; b<22; b++)
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pixels.setPixelColor(b, full_addr & (1 << b) ? led_color : 0);
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for(uint8_t b=0; b<16; b++)
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pixels.setPixelColor(b + 22, current_PSW & (1 << b) ? magenta : 0);
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for(uint8_t b=0; b<16; b++)
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pixels.setPixelColor(b + 38, current_instr & (1 << b) ? red : 0);
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pixels.setPixelColor(54, running_flag ? white : 0);
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pixels.setPixelColor(55, disk_read_activity_flag ? blue : 0);
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pixels.setPixelColor(56, disk_write_activity_flag ? blue : 0);
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pixels.show();
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}
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}
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