/** * @file CosaPCD8544.ino * @version 1.0 * * @section License * Copyright (C) 2013-2015, Mikael Patel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * @section Description * Demonstration of the PCD8544 device driver with mapping to * IOStream::Device. * * @section Circuit * PCD8544 is a low voltage device (3V3) and signals require level * shifter (74HC4050 or 10K resistor). * @code * (1) PCD8544/LCD::Serial3W * +------------+ * (RST)----------[ > ]-1-|RST | * (D9/D3)--------[ > ]-2-|CE | * (D8/D2)--------[ > ]-3-|DC | * (D6/D0)--------[ > ]-4-|DIN | * (D7/D1)--------[ > ]-5-|CLK | * (3V3)----------------6-|VCC | * (GND)----------[220]-7-|LED | * (GND)----------------8-|GND | * +------------+ * * (2) PCD8544/LCD::SPI3W * +------------+ * (RST)---------[ > ]--1-|RST | * (D9/D3)-------[ > ]--2-|CE | * (D8/D2)-------[ > ]--3-|DC | * (MOSI/D11/D5)-[ > ]--4-|DIN | * (SCK/D13/D4)--[ > ]--5-|CLK | * (3V3)----------------6-|VCC | * (GND)---------[220]--7-|LED | * (GND)----------------8-|GND | * +------------+ * @endcode * * This file is part of the Arduino Che Cosa project. */ #include #include "Canvas/OffScreen.hh" #include "Canvas/Icon/arduino_icon_64x32.h" #include "Canvas/Icon/arduino_icon_96x32.h" #include #include "FixedNums8x16.hh" #include #include "Cosa/Types.h" #include "Cosa/Trace.hh" #include "Cosa/Watchdog.hh" #include "Cosa/AnalogPin.hh" // Select PCD8544 IO Adapter; Serial Output Pins or SPI LCD::Serial3W port; // LCD::SPI3W port; PCD8544 lcd(&port); void setup() { // Set up watchdog for low power sleep Watchdog::begin(); // Initiate the LCD screen and show arduino icon lcd.begin(); #if !defined(BOARD_ATTINY) lcd.putchar('\f'); lcd.set_cursor((lcd.WIDTH - 64)/2, 0); lcd.draw_icon(arduino_icon_64x32); #endif // Use LCD bind to trace and use inverted text mode for banner trace.begin(&lcd); lcd.set_cursor(8, 4); trace << PSTR("\aCosaPCD8544\a"); sleep(2); // Dump characters in system font; two pages, 64 characters each uint8_t page = 0; for (uint8_t c = 0; c < 128; c++) { if ((c & 63) == 0) { trace << PSTR("\f\aFont page#") << page++ << '\a' << endl; } if ((c == '\n') || (c == '\f') || (c == '\b') || (c == '\a') || (c == '\t')) trace << ' '; else trace << (char) c; if (((c + 1) & 63) == 0) sleep(4); } // Use the trace iostream onto the LCD with output operator trace << PSTR("\f\aSPECIAL CHARACTERS\a\n\n"); trace << PSTR("01\t23\t45\t67\t89"); for (uint8_t i = 0; i < 16; i++) { Watchdog::delay(256); trace << PSTR("\b \b"); } // Scrolling trace << PSTR("\f\aSCROLLING\a\n"); static const char msg[] __PROGMEM = "The quick brown fox jumps over the lazy dog. "; for (uint8_t i = 0; i < 4; i++) { uint8_t len = strlen_P(msg); for (uint8_t j = 0; j < len; j++) { trace << (char) pgm_read_byte(msg + j); Watchdog::delay(64); } } sleep(2); // Use number base handling trace << PSTR("\f\aNUMBER BASE\a\n"); trace << PSTR("bcd = ") << bcd << 0x55 << endl; trace << PSTR("oct = ") << oct << 0x55 << endl; trace << PSTR("dec = ") << dec << 0x55 << endl; trace << PSTR("hex = ") << hex << 0x55 << endl; trace << PSTR("ptr = ") << &lcd; sleep(2); // Dump the LCD object raw format with normal print function trace << PSTR("\f\aBUFFER DUMP\a\n"); trace.print(&lcd, 8, IOStream::hex, 2); sleep(2); // Play around with the offscreen canvas #if !defined(BOARD_ATTINY) OffScreen offscreen; offscreen.begin(); offscreen.draw_rect(0, 0, 10, 10); offscreen.fill_rect(2, 2, 7, 7); offscreen.draw_rect(20, 20, 10, 10); offscreen.draw_circle(20, 20, 10); offscreen.fill_circle(20, 20, 8); offscreen.draw_roundrect(20, 20, 40, 20, 10); offscreen.fill_roundrect(22, 22, 36, 16, 7); offscreen.draw_rect(20, 20, 40, 20); offscreen.draw_rect(0, 0, offscreen.WIDTH - 1, offscreen.HEIGHT - 1); offscreen.set_cursor(15, 2); offscreen.draw_string(PSTR("OffScreen")); // Draw the off-screen canvas on the LCD lcd.set_cursor(0, 0); lcd.draw_bitmap(offscreen.bitmap(), offscreen.WIDTH, offscreen.HEIGHT); sleep(4); #endif } void loop() { // Draw bars with analog sample values (A0..A5) lcd.putchar('\f'); for (uint8_t i = 0; i < lcd.LINES; i++) { trace.printf(PSTR("A%d:"), i); uint8_t percent = (AnalogPin::sample((Board::AnalogPin) i) * 100L) / 1023; lcd.draw_bar(percent, lcd.WIDTH - 20); if (i != lcd.LINES - 1) trace << endl; } sleep(1); // Every 4 seconds display the arduino icon and count down time #if !defined(BOARD_ATTINY) static const uint8_t SHOW_BANNER = 4; static uint8_t banner = 0; if (++banner == SHOW_BANNER) { // Display the Arduino icon lcd.putchar('\f'); lcd.set_cursor(0, 1); lcd.display_inverse(); lcd.draw_icon(arduino_icon_96x32); sleep(2); lcd.display_normal(); banner = 0; // Counters static uint8_t min = 30; static uint8_t sec = 00; // Draw the current counter value off-screen OffScreen offscreen; offscreen.begin(); offscreen.set_text_font(&fixednums8x16); offscreen.draw_roundrect(8, 8, lcd.WIDTH - 18, lcd.HEIGHT - 18, 8); offscreen.set_cursor((lcd.WIDTH - ((fixednums8x16.WIDTH + fixednums8x16.SPACING) * 5))/2, (lcd.HEIGHT - fixednums8x16.WIDTH - fixednums8x16.SPACING)/2); offscreen.draw_char('0' + min/10); offscreen.draw_char('0' + min%10); offscreen.draw_char(':'); offscreen.draw_char('0' + sec/10); offscreen.draw_char('0' + sec%10); // Draw the off-screen canvas on the LCD lcd.putchar('\f'); lcd.draw_bitmap(offscreen.bitmap(), offscreen.WIDTH, offscreen.HEIGHT); // Decrement counter if (sec == 0) { if (min != 00) { sec = 50; min -= 1; } } else sec -= 10; sleep(4); } #endif }