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usdx.ino
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usdx.ino
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// QCX-SSB.ino - https://github.com/threeme3/QCX-SSB
//
// Copyright 2019, 2020, 2021, 2022, 2023, 2024, 2025 Guido PE1NNZ
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define VERSION "1.02x"
/* NOTE: configure your radio in usdx_settings.h , not here */
#include "usdx_settings.h"
// QCX pin defintions
#define LCD_D4 0 //PD0 (pin 2)
#define LCD_D5 1 //PD1 (pin 3)
#define LCD_D6 2 //PD2 (pin 4)
#define LCD_D7 3 //PD3 (pin 5)
#define LCD_EN 4 //PD4 (pin 6)
#define FREQCNT 5 //PD5 (pin 11)
#define ROT_A 6 //PD6 (pin 12)
#define ROT_B 7 //PD7 (pin 13)
#define RX 8 //PB0 (pin 14)
#define SIDETONE 9 //PB1 (pin 15)
#define KEY_OUT 10 //PB2 (pin 16)
#define SIG_OUT 11 //PB3 (pin 17)
#define DAH 12 //PB4 (pin 18)
#define DIT 13 //PB5 (pin 19)
#define AUDIO1 14 //PC0/A0 (pin 23)
#define AUDIO2 15 //PC1/A1 (pin 24)
#define DVM 16 //PC2/A2 (pin 25)
#define BUTTONS 17 //PC3/A3 (pin 26)
#define LCD_RS 18 //PC4 (pin 27)
#define SDA 18 //PC4 (pin 27)
#define SCL 19 //PC5 (pin 28)
//#define NTX 11 //PB3 (pin 17)
//#define PTX 11 //PB3 (pin 17)
#ifdef SWAP_ROTARY
#undef ROT_A
#undef ROT_B
#define ROT_A 7 //PD7 (pin 13)
#define ROT_B 6 //PD6 (pin 12)
#endif
#if (defined(OLED_SSD1306) || defined(OLED_SH1106))
#define OLED 1
#endif
#if (defined(CAT) || defined(TESTBENCH)) && !(OLED)
#define _SERIAL 1 // Coexistence support for serial port and LCD on the same pins
#endif
#ifdef LPF_SWITCHING_DL2MAN_USDX_REV3_NOLATCH
#define LPF_SWITCHING_DL2MAN_USDX_REV3 1
#endif
#ifdef TX_CLK0_CLK1
#ifdef F_CLK2
#define TX1RX0 0b11111000
#define TX1RX1 0b11111000
#define TX0RX1 0b11111000
#define TX0RX0 0b11111011
#else //!F_CLK2
#define TX1RX0 0b11111100
#define TX1RX1 0b11111100
#define TX0RX1 0b11111100
#define TX0RX0 0b11111111
#endif //F_CLK2
#else //!TX_CLK0_CLK1
#define TX1RX0 0b11111011
#define TX1RX1 0b11111000
#define TX0RX1 0b11111100
#define TX0RX0 0b11111111
#endif //TX_CLK0_CLK1
#if defined(F_CLK2) && !defined(TX_CLK0_CLK1)
#error "TX_CLK0_CLK1 must be enabled in order to use F_CLK2."
#endif
#ifndef TX_ENABLE
#undef KEYER
#undef TX_DELAY
#undef SEMI_QSK
#undef RIT_ENABLE
#undef VOX_ENABLE
#undef MOX_ENABLE
#endif //!TX_ENABLE
#ifdef SWR_METER
float FWD;
float SWR;
float ref_V = 5 * 1.15;
static uint32_t stimer;
#define PIN_FWD A6
#define PIN_REF A7
#endif
/*
// UCX installation: On blank chip, use (standard Arduino Uno) fuse settings (E:FD, H:DE, L:FF), and use customized Optiboot bootloader for 20MHz clock, then upload via serial interface (with RX, TX and DTR lines connected to pin 1, 2, 3 respectively)
// UCX pin defintions
+#define SDA 3 //PD3 (pin 5)
+#define SCL 4 //PD4 (pin 6)
+#define ROT_A 6 //PD6 (pin 12)
+#define ROT_B 7 //PD7 (pin 13)
+#define RX 8 //PB0 (pin 14)
+#define SIDETONE 9 //PB1 (pin 15)
+#define KEY_OUT 10 //PB2 (pin 16)
+#define NTX 11 //PB3 (pin 17)
+#define DAH 12 //PB4 (pin 18)
+#define DIT 13 //PB5 (pin 19)
+#define AUDIO1 14 //PC0/A0 (pin 23)
+#define AUDIO2 15 //PC1/A1 (pin 24)
+#define DVM 16 //PC2/A2 (pin 25)
+#define BUTTONS 17 //PC3/A3 (pin 26)
// In addition set:
#define OLED 1
#define ONEBUTTON 1
#define ONEBUTTON_INV 1
#undef DEBUG
adjust I2C and I2C_ ports,
ssb_cap=1; dsp_cap=2;
#define _DELAY() for(uint8_t i = 0; i != 5; i++) asm("nop");
#define F_XTAL 20004000
#define F_CPU F_XTAL
*/
//FUSES = { .low = 0xFF, .high = 0xD6, .extended = 0xFD }; // Fuse settings should be set at programming (Arduino IDE > Tools > Burn bootloader)
//#if(ARDUINO < 10810)
// #error "Unsupported Arduino IDE version, use Arduino IDE 1.8.10 or later from https://www.arduino.cc/en/software"
//#endif
#if !(defined(ARDUINO_ARCH_AVR))
#error "Unsupported architecture, select Arduino IDE > Tools > Board > Arduino AVR Boards > Arduino Uno."
#endif
#if(F_CPU != 16000000)
#error "Unsupported clock frequency, Arduino IDE must specify 16MHz clock; alternate crystal frequencies may be specified with F_MCU."
#endif
#undef F_CPU
#define F_CPU 20007000 // Actual crystal frequency of 20MHz XTAL1, note that this declaration is just informative and does not correct the timing in Arduino functions like delay(); hence a 1.25 factor needs to be added for correction.
#ifndef F_MCU
#define F_MCU 20000000 // 20MHz ATMEGA328P crystal
#endif
extern char __bss_end;
static int freeMemory(){ char* sp = reinterpret_cast<char*>(SP); return sp - &__bss_end; } // see: http://www.nongnu.org/avr-libc/user-manual/malloc.html
#ifdef CAT_EXT
volatile uint8_t cat_key = 0;
uint8_t _digitalRead(uint8_t pin){ // reads pin or (via CAT) artificially overriden pins
serialEvent(); // allows CAT update
if(cat_key){ return (pin == BUTTONS) ? ((cat_key&0x07) > 0) : (pin == DIT) ? ~cat_key&0x10 : (pin == DAH) ? ~cat_key&0x20 : 0; } // overrides digitalRead(DIT, DAH, BUTTONS);
return digitalRead(pin);
}
#else
#define _digitalRead(x) digitalRead(x)
#endif //CAT_EXT
//#define ONEBUTTON_INV 1 // Encoder button goes from PC3 to GND (instead PC3 to 5V, with 10k pull down)
#ifdef ONEBUTTON_INV
uint8_t inv = 1;
#else
uint8_t inv = 0;
#endif
//#ifdef KEYER
// Iambic Morse Code Keyer Sketch, Contribution by Uli, DL2DBG. Copyright (c) 2009 Steven T. Elliott Source: http://openqrp.org/?p=343, Trimmed by Bill Bishop - wrb[at]wrbishop.com. 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: Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
// keyerControl bit definitions
#define DIT_L 0x01 // Dit latch
#define DAH_L 0x02 // Dah latch
#define DIT_PROC 0x04 // Dit is being processed
#define PDLSWAP 0x08 // 0 for normal, 1 for swap
#define IAMBICB 0x10 // 0 for Iambic A, 1 for Iambic B
#define IAMBICA 0x00 // 0 for Iambic A, 1 for Iambic B
#define SINGLE 2 // Keyer Mode 0 1 -> Iambic2 2 ->SINGLE
int keyer_speed = 25;
static unsigned long ditTime; // No. milliseconds per dit
static uint8_t keyerControl;
static uint8_t keyerState;
static uint8_t keyer_mode = 2; //-> SINGLE
static uint8_t keyer_swap = 0; //-> DI/DAH
static uint32_t ktimer;
static int Key_state;
int debounce;
enum KSTYPE {IDLE, CHK_DIT, CHK_DAH, KEYED_PREP, KEYED, INTER_ELEMENT }; // State machine states
void update_PaddleLatch() // Latch dit and/or dah press, called by keyer routine
{
if(_digitalRead(DIT) == LOW) {
keyerControl |= keyer_swap ? DAH_L : DIT_L;
}
if(_digitalRead(DAH) == LOW) {
keyerControl |= keyer_swap ? DIT_L : DAH_L;
}
}
void loadWPM (int wpm) // Calculate new time constants based on wpm value
{
#if(F_MCU != 20000000)
ditTime = (1200ULL * F_MCU/16000000)/wpm; //ditTime = 1200/wpm; compensated for F_CPU clock (running in a 16MHz Arduino environment)
#else
ditTime = (1200 * 5/4)/wpm; //ditTime = 1200/wpm; compensated for 20MHz clock (running in a 16MHz Arduino environment)
#endif
}
//#endif //KEYER
static uint8_t practice = false; // Practice mode
volatile uint8_t cat_active = 0;
volatile uint32_t rxend_event = 0;
volatile uint8_t vox = 0;
#include <avr/sleep.h>
#include <avr/wdt.h>
//#define _I2C_DIRECT_IO 1 // Enables communications that is not using the standard I/O pull-down approach with pull-up resistors, instead I/O is directly driven with 0V/5V
class I2C_ { // Secundairy I2C class used by I2C LCD/OLED, uses alternate pins: PD2 (SDA) and PD3 (SCL)
public:
#if(F_MCU > 20900000)
#ifdef OLED_SH1106
#define _DELAY() for(uint8_t i = 0; i != 9; i++) asm("nop");
#else
#ifdef OLED_SSD1306
#define _DELAY() for(uint8_t i = 0; i != 6; i++) asm("nop");
#else // other (I2C_LCD)
#define _DELAY() for(uint8_t i = 0; i != 7; i++) asm("nop");
#endif
#endif
#else // slow F_MCU
#ifdef OLED_SH1106
#define _DELAY() for(uint8_t i = 0; i != 8; i++) asm("nop");
#else
#ifdef OLED_SSD1306
#define _DELAY() for(uint8_t i = 0; i != 4; i++) asm("nop"); // 4=731kb/s
#else // other (I2C_LCD)
#define _DELAY() for(uint8_t i = 0; i != 5; i++) asm("nop");
#endif
#endif
#endif // F_MCU
#define _I2C_SDA (1<<2) // PD2
#define _I2C_SCL (1<<3) // PD3
#ifdef _I2C_DIRECT_IO
#define _I2C_INIT() _I2C_SDA_HI(); _I2C_SCL_HI(); DDRD |= (_I2C_SDA | _I2C_SCL); // direct I/O (no need for pull-ups)
#define _I2C_SDA_HI() PORTD |= _I2C_SDA;
#define _I2C_SDA_LO() PORTD &= ~_I2C_SDA;
#define _I2C_SCL_HI() PORTD |= _I2C_SCL; _DELAY();
#define _I2C_SCL_LO() PORTD &= ~_I2C_SCL; _DELAY();
#else // !_I2C_DIRECT_IO
#define _I2C_INIT() PORTD &= ~_I2C_SDA; PORTD &= ~_I2C_SCL; _I2C_SDA_HI(); _I2C_SCL_HI(); // open-drain
#define _I2C_SDA_HI() DDRD &= ~_I2C_SDA;
#define _I2C_SDA_LO() DDRD |= _I2C_SDA;
#define _I2C_SCL_HI() DDRD &= ~_I2C_SCL; _DELAY();
#define _I2C_SCL_LO() DDRD |= _I2C_SCL; _DELAY();
#endif // !_I2C_DIRECT_IO
#define _I2C_START() _I2C_SDA_LO(); _DELAY(); _I2C_SCL_LO(); // _I2C_SDA_HI();
#define _I2C_STOP() _I2C_SDA_LO(); _I2C_SCL_HI(); _I2C_SDA_HI();
#define _I2C_SUSPEND() //_I2C_SDA_LO(); // SDA_LO to allow re-use as output port
#define _SendBit(data, bit) \
if(data & 1 << bit){ \
_I2C_SDA_HI(); \
} else { \
_I2C_SDA_LO(); \
} \
_I2C_SCL_HI(); \
_I2C_SCL_LO();
inline void start(){ _I2C_INIT(); _I2C_START(); };
inline void stop() { _I2C_STOP(); _I2C_SUSPEND(); };
inline void SendByte(uint8_t data){
_SendBit(data, 7);
_SendBit(data, 6);
_SendBit(data, 5);
_SendBit(data, 4);
_SendBit(data, 3);
_SendBit(data, 2);
_SendBit(data, 1);
_SendBit(data, 0);
_I2C_SDA_HI(); // recv ACK
_DELAY(); //
_I2C_SCL_HI();
_I2C_SCL_LO();
}
void SendRegister(uint8_t addr, uint8_t* data, uint8_t n){
start();
SendByte(addr << 1);
while(n--) SendByte(*data++);
stop();
}
//void SendRegister(uint8_t addr, uint8_t val){ SendRegister(addr, &val, 1); }
void begin(){};
void beginTransmission(uint8_t addr){ start(); SendByte(addr << 1); };
bool write(uint8_t byte){ SendByte(byte); return 1; };
uint8_t endTransmission(){ stop(); return 0; };
};
I2C_ Wire;
//#include <Wire.h>
uint8_t backlight = 8;
//#define RS_HIGH_ON_IDLE 1 // Experimental LCD support where RS line is high on idle periods to comply with SDA I2C standard.
class LCD : public Print { // inspired by: http://www.technoblogy.com/show?2BET
public: // LCD1602 display in 4-bit mode, RS is pull-up and kept low when idle to prevent potential display RFI via RS line
#define _dn 0 // PD0 to PD3 connect to D4 to D7 on the display
#define _en 4 // PD4 - MUST have pull-up resistor
#define _rs 4 // PC4 - MUST have pull-up resistor
#define RS_PULLUP 1 // Use pullup on RS line, ensures compliancy to the absolute maximum ratings for the si5351 sda input that is shared with rs pin of lcd
#ifdef RS_PULLUP
#define LCD_RS_HI() DDRC &= ~(1 << _rs); asm("nop"); // RS high (pull-up)
#define LCD_RS_LO() DDRC |= 1 << _rs; // RS low (pull-down)
#else
#define LCD_RS_LO() PORTC &= ~(1 << _rs); // RS low
#define LCD_RS_HI() PORTC |= (1 << _rs); // RS high
#endif //RS_PULLUP
#define LCD_EN_LO() PORTD &= ~(1 << _en); // EN low
#define LCD_EN_HI() PORTD |= (1 << _en); // EN high
#define LCD_PREP_NIBBLE(b) (PORTD & ~(0xf << _dn)) | (b) << _dn | 1 << _en // Send data and enable high
uint8_t _cols;
void begin(uint8_t x = 0, uint8_t y = 0){ // Send command , make sure at least 40ms after power-up before sending commands
//bool reinit = (x == 0) && (y == 0);
#ifdef LCD_I2C
#define PCF_ADDR 0x27 // LCD I2C address where PCF8574 addess selection A0, A1, A2 are all open
#define PCF_RS 0x01
#define PCF_RW 0x02 // the 0xF0 bits are used for 4-bit data to the display.
#define PCF_EN 0x04
#define PCF_BACKLIGHT 0x08
Wire.beginTransmission(PCF_ADDR);
Wire.write(0);
Wire.endTransmission();
delayMicroseconds(50000);
#else //!LCD_I2C
DDRD |= 0xf << _dn | 1 << _en; // Make data, EN outputs
DDRC |= 1 << _rs;
//PORTC &= ~(1 << _rs); // Set RS low in case to support pull-down when DDRC is output
delayMicroseconds(50000); // *
LCD_RS_LO(); LCD_EN_LO();
#endif //!LCD_I2C
cmd(0x33); // Ensures display is in 8-bit mode
delayMicroseconds(4500); cmd(0x33); delayMicroseconds(4500); cmd(0x33); delayMicroseconds(150); // * Ensures display is in 8-bit mode
cmd(0x32); // Puts display in 4-bit mode
cmd(0x28); // * Function set: 2-line, 5x8
cmd(0x0c); // Display on
//if(reinit) return;
cmd(0x01); // Clear display
delay(3); // Allow to execute Clear on display [https://www.sparkfun.com/datasheets/LCD/HD44780.pdf, p.49, p58]
cmd(0x06); // * Entrymode: left, shift-dec
}
#ifdef LCD_I2C
void nib(uint8_t b, bool isData){ // Send four bit nibble to display
b = (b << 4) | ((backlight) ? PCF_BACKLIGHT : 0) | ((isData) ? PCF_RS : 0);
Wire.write(b | PCF_EN); // write command EN HI
delayMicroseconds(4); // enable pulse must be >450ns
Wire.write(b); // write command EN LO
delayMicroseconds(60); // commands need > 37us to settle
Wire.write(b); // must write for some unknown reason
}
void cmd(uint8_t b){
Wire.beginTransmission(PCF_ADDR);
nib(b >> 4, false); nib(b, false);
Wire.endTransmission();
}
size_t write(uint8_t b){
Wire.beginTransmission(PCF_ADDR);
nib((b >> 4), true); nib((b), true);
Wire.endTransmission();
}
#else //!LCD_I2C
// Since LCD is using PD0(RXD), PD1(TXD) pins in the data-path, some co-existence feature is required when using the serial port.
// The following functions are temporarily dsiabling the serial port when LCD writes happen, and make sure that serial transmission is ended.
// To prevent that LCD writes are received by the serial receiver, PC2 is made HIGH during writes to pull-up TXD via a diode.
// The RXD, TXD lines are connected to the host via 1k resistors, a 1N4148 is placed between PC2 (anode) and the TXD resistor.
// There are two drawbacks when continuous LCD writes happen: 1. noise is leaking via the AREF pull-ups into the receiver 2. serial data cannot be received.
void pre(){
#ifdef _SERIAL
if(!vox) if(cat_active){ Serial.flush(); for(; millis() < rxend_event;)wdt_reset(); PORTC |= 1<<2; DDRC |= 1<<2; } UCSR0B &= ~((1<<RXEN0)|(1<<TXEN0)); // Complete serial TX and RX; mask PD1 LCD data-exchange by pulling-up TXD via PC2 HIGH; enable PD0/PD1, disable serial port
#endif
noInterrupts(); // do not allow LCD tranfer to be interrupted, to prevent backlight to lighten-up
}
void post(){
if(backlight) PORTD |= 0x08; else PORTD &= ~0x08; // Backlight control
#ifdef _SERIAL
//UCSR0B |= (1<<RXEN0)|(1<<TXEN0); if(!vox) if(cat_active){ DDRC &= ~(1<<2); } // Enable serial port, disable PD0, PD1; disable PC2
UCSR0B |= (1<<RXEN0)|(1<<TXEN0); if(!vox) if(cat_active){ PORTC &= ~(1<<2); } // Enable serial port, disable PD0, PD1; PC2 LOW to prevent CAT TX disruption via MIC input
#endif
interrupts();
}
#ifdef RS_HIGH_ON_IDLE
void cmd(uint8_t b){
pre();
uint8_t nibh = LCD_PREP_NIBBLE(b >> 4); // Prepare high nibble data and enable high
PORTD = nibh; // Send high nibble data and enable high
uint8_t nibl = LCD_PREP_NIBBLE(b & 0xf); // Prepare low nibble data and enable high
LCD_RS_LO();
LCD_EN_LO();
PORTD = nibl; // Send low nibble data and enable high
asm("nop"); asm("nop"); // Keep RS low, but complete enable cycle (should be 500ns)
LCD_EN_LO();
LCD_RS_HI();
post();
delayMicroseconds(60); // Execution time (37+4)*1.25 us
}
size_t write(uint8_t b){ // Write data: send nibbles while RS high
pre();
uint8_t nibh = LCD_PREP_NIBBLE(b >> 4); // Prepare high nibble data and enable high
PORTD = nibh; // Send high nibble data and enable high
uint8_t nibl = LCD_PREP_NIBBLE(b & 0xf); // Prepare low nibble data and enable high
LCD_RS_HI();
LCD_EN_LO();
PORTD = nibl; // Send low nibble data and enable high
asm("nop"); asm("nop"); // Keep RS high, but complete enable cycle (should be 500ns)
LCD_EN_LO();
post();
delayMicroseconds(60); // Execution time (37+4)*1.25 us
return 1;
}
#else //!RS_HIGH_ON_IDLE
void nib(uint8_t b){ // Send four bit nibble to display
pre();
PORTD = LCD_PREP_NIBBLE(b); // Send data and enable high
//asm("nop"); // Enable high pulse width must be at least 230ns high, data-setup time 80ns
delayMicroseconds(4);
LCD_EN_LO();
post();
//delayMicroseconds(52); // Execution time
delayMicroseconds(60); // Execution time
}
void cmd(uint8_t b){ nib(b >> 4); nib(b & 0xf); } // Write command: send nibbles while RS low
size_t write(uint8_t b){ // Write data: send nibbles while RS high
pre();
//LCD_EN_HI(); // Complete Enable cycle must be at least 500ns (so start early)
uint8_t nibh = LCD_PREP_NIBBLE(b >> 4); // Prepare high nibble data and enable high
PORTD = nibh; // Send high nibble data and enable high
uint8_t nibl = LCD_PREP_NIBBLE(b & 0xf); // Prepare low nibble data and enable high
//asm("nop"); // Enable high pulse width must be at least 230ns high, data-setup time 80ns; ATMEGA clock-cycle is 50ns (so at least 5 cycles)
LCD_RS_HI();
LCD_EN_LO();
PORTD = nibl; // Send low nibble data and enable high
LCD_RS_LO();
//asm("nop"); asm("nop"); // Complete Enable cycle must be at least 500ns
//PORTD = nibl; // Send low nibble data and enable high
//asm("nop"); // Enable high pulse width must be at least 230ns high, data-setup time 80ns; ATMEGA clock-cycle is 50ns (so at least 5 cycles)
LCD_RS_HI();
LCD_EN_LO();
LCD_RS_LO();
post();
delayMicroseconds(60); // Execution time (37+4)*1.25 us
return 1;
}
#endif // RS_HIGH_ON_IDLE
#endif //!LCD_I2C
#ifdef CONDENSED
void setCursor(uint8_t x, uint8_t y){ cmd(0x80 | (x + (uint8_t[]){0x00, 0x40, 0x00 + 20, 0x40 + 20}[y])); } // ONLY for LCD2004 display
#else
void setCursor(uint8_t x, uint8_t y){ cmd(0x80 | (x + y * 0x40)); }
#endif
void cursor(){ cmd(0x0e); }
void noCursor(){ cmd(0x0c); }
void noDisplay(){ cmd(0x08); }
void createChar(uint8_t l, uint8_t glyph[]){ cmd(0x40 | ((l & 0x7) << 3)); for(int i = 0; i != 8; i++) write(glyph[i]); }
};
/*
class LCD : public Print { // inspired by: http://www.technoblogy.com/show?2BET
public: // LCD1602 display in 4-bit mode, RS is pull-up and kept low when idle to prevent potential display RFI via RS line
#define _dn 0 // PD0 to PD3 connect to D4 to D7 on the display
#define _en 4 // PC4 - MUST have pull-up resistor
#define _rs 4 // PC4 - MUST have pull-up resistor
#define LCD_RS_HI() DDRC &= ~(1 << _rs); // RS high (pull-up)
#define LCD_RS_LO() DDRC |= 1 << _rs; // RS low (pull-down)
#define LCD_EN_LO() PORTD &= ~(1 << _en); // EN low
#define LCD_PREP_NIBBLE(b) (PORTD & ~(0xf << _dn)) | (b) << _dn | 1 << _en // Send data and enable high
void begin(uint8_t x, uint8_t y){ // Send command
DDRD |= 0xf << _dn | 1 << _en; // Make data, EN and RS pins outputs
PORTC &= ~(1 << _rs); // Set RS low in case to support pull-down when DDRC is output
delayMicroseconds(50000); // * At least 40ms after power rises above 2.7V before sending commands
LCD_RS_LO();
cmd(0x33); // Ensures display is in 8-bit mode
cmd(0x32); // Puts display in 4-bit mode
cmd(0x0e); // Display and cursor on
cmd(0x01); // Clear display
delay(3); // Allow to execute on display [https://www.sparkfun.com/datasheets/LCD/HD44780.pdf, p.49, p58]
}
void nib(uint8_t b){ // Send four bit nibble to display
PORTD = LCD_PREP_NIBBLE(b); // Send data and enable high
delayMicroseconds(4);
LCD_EN_LO();
delayMicroseconds(60); // Execution time (was: 37)
}
void cmd(uint8_t b){ nib(b >> 4); nib(b & 0xf); }// Write command: send nibbles while RS low
size_t write(uint8_t b){ // Write data: send nibbles while RS high
uint8_t nibh = LCD_PREP_NIBBLE(b >> 4); // Prepare high nibble data and enable high
uint8_t nibl = LCD_PREP_NIBBLE(b & 0xf); // Prepare low nibble data and enable high
PORTD = nibh; // Send high nibble data and enable high
LCD_RS_HI();
LCD_EN_LO();
PORTD = nibl; // Send low nibble data and enable high
LCD_RS_LO();
LCD_RS_HI();
LCD_EN_LO();
LCD_RS_LO();
delayMicroseconds(41); // Execution time
PORTD |= 0x02; // To support serial-interface keep LCD_D5 high, so that DVM is not pulled-down via D
return 1;
}
void setCursor(uint8_t x, uint8_t y){ cmd(0x80 | (x + y * 0x40)); }
void cursor(){ cmd(0x0e); }
void noCursor(){ cmd(0x0c); }
void noDisplay(){ cmd(0x08); }
void createChar(uint8_t l, uint8_t glyph[]){ cmd(0x40 | ((l & 0x7) << 3)); for(int i = 0; i != 8; i++) write(glyph[i]); }
};
*/
/*
#include <LiquidCrystal.h>
class LCD_ : public LiquidCrystal {
public: // QCXLiquidCrystal extends LiquidCrystal library for pull-up driven LCD_RS, as done on QCX. LCD_RS needs to be set to LOW in advance of calling any operation.
//LCD_(uint8_t rs = LCD_RS, uint8_t en = LCD_EN, uint8_t d4 = LCD_D4, uint8_t d5, = LCD_D5 uint8_t d6 = LCD_D6, uint8_t d7 = LCD_D7) : LiquidCrystal(rs, en, d4, d5, d6, d7){ };
LCD_() : LiquidCrystal(LCD_RS, LCD_EN, LCD_D4, LCD_D5, LCD_D6, LCD_D7){ };
virtual size_t write(uint8_t value){ // overwrites LiquidCrystal::write() and re-implements LCD data writes
pinMode(LCD_RS, INPUT); // pull-up LCD_RS
write4bits(value >> 4);
write4bits(value);
pinMode(LCD_RS, OUTPUT); // pull-down LCD_RS
return 1;
};
void write4bits(uint8_t value){
digitalWrite(LCD_D4, (value >> 0) & 0x01);
digitalWrite(LCD_D5, (value >> 1) & 0x01);
digitalWrite(LCD_D6, (value >> 2) & 0x01);
digitalWrite(LCD_D7, (value >> 3) & 0x01);
digitalWrite(LCD_EN, LOW); // pulseEnable
delayMicroseconds(1);
digitalWrite(LCD_EN, HIGH);
delayMicroseconds(1); // enable pulse must be >450ns
digitalWrite(LCD_EN, LOW);
delayMicroseconds(100); // commands need > 37us to settle
};
};
*/
/* // 6x8 technoblogy font
const uint8_t font[]PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x5F, 0x00, 0x00, 0x00,
0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00,
0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00,
0x23, 0x13, 0x08, 0x64, 0x62, 0x00,
0x36, 0x49, 0x56, 0x20, 0x50, 0x00,
0x00, 0x08, 0x07, 0x03, 0x00, 0x00,
0x00, 0x1C, 0x22, 0x41, 0x00, 0x00,
0x00, 0x41, 0x22, 0x1C, 0x00, 0x00,
0x2A, 0x1C, 0x7F, 0x1C, 0x2A, 0x00,
0x08, 0x08, 0x3E, 0x08, 0x08, 0x00,
0x00, 0x80, 0x70, 0x30, 0x00, 0x00,
0x08, 0x08, 0x08, 0x08, 0x08, 0x00,
0x00, 0x00, 0x60, 0x60, 0x00, 0x00,
0x20, 0x10, 0x08, 0x04, 0x02, 0x00,
0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00,
0x00, 0x42, 0x7F, 0x40, 0x00, 0x00,
0x72, 0x49, 0x49, 0x49, 0x46, 0x00,
0x21, 0x41, 0x49, 0x4D, 0x33, 0x00,
0x18, 0x14, 0x12, 0x7F, 0x10, 0x00,
0x27, 0x45, 0x45, 0x45, 0x39, 0x00,
0x3C, 0x4A, 0x49, 0x49, 0x31, 0x00,
0x41, 0x21, 0x11, 0x09, 0x07, 0x00,
0x36, 0x49, 0x49, 0x49, 0x36, 0x00,
0x46, 0x49, 0x49, 0x29, 0x1E, 0x00,
0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
0x00, 0x40, 0x34, 0x00, 0x00, 0x00,
0x00, 0x08, 0x14, 0x22, 0x41, 0x00,
0x14, 0x14, 0x14, 0x14, 0x14, 0x00,
0x00, 0x41, 0x22, 0x14, 0x08, 0x00,
0x02, 0x01, 0x59, 0x09, 0x06, 0x00,
0x3E, 0x41, 0x5D, 0x59, 0x4E, 0x00,
0x7C, 0x12, 0x11, 0x12, 0x7C, 0x00,
0x7F, 0x49, 0x49, 0x49, 0x36, 0x00,
0x3E, 0x41, 0x41, 0x41, 0x22, 0x00,
0x7F, 0x41, 0x41, 0x41, 0x3E, 0x00,
0x7F, 0x49, 0x49, 0x49, 0x41, 0x00,
0x7F, 0x09, 0x09, 0x09, 0x01, 0x00,
0x3E, 0x41, 0x41, 0x51, 0x73, 0x00,
0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00,
0x00, 0x41, 0x7F, 0x41, 0x00, 0x00,
0x20, 0x40, 0x41, 0x3F, 0x01, 0x00,
0x7F, 0x08, 0x14, 0x22, 0x41, 0x00,
0x7F, 0x40, 0x40, 0x40, 0x40, 0x00,
0x7F, 0x02, 0x1C, 0x02, 0x7F, 0x00,
0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00,
0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00,
0x7F, 0x09, 0x09, 0x09, 0x06, 0x00,
0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00,
0x7F, 0x09, 0x19, 0x29, 0x46, 0x00,
0x26, 0x49, 0x49, 0x49, 0x32, 0x00,
0x03, 0x01, 0x7F, 0x01, 0x03, 0x00,
0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00,
0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00,
0x3F, 0x40, 0x38, 0x40, 0x3F, 0x00,
0x63, 0x14, 0x08, 0x14, 0x63, 0x00,
0x03, 0x04, 0x78, 0x04, 0x03, 0x00,
0x61, 0x59, 0x49, 0x4D, 0x43, 0x00,
0x00, 0x7F, 0x41, 0x41, 0x41, 0x00,
0x02, 0x04, 0x08, 0x10, 0x20, 0x00,
0x00, 0x41, 0x41, 0x41, 0x7F, 0x00,
0x04, 0x02, 0x01, 0x02, 0x04, 0x00,
0x40, 0x40, 0x40, 0x40, 0x40, 0x00,
0x00, 0x03, 0x07, 0x08, 0x00, 0x00,
0x20, 0x54, 0x54, 0x78, 0x40, 0x00,
0x7F, 0x28, 0x44, 0x44, 0x38, 0x00,
0x38, 0x44, 0x44, 0x44, 0x28, 0x00,
0x38, 0x44, 0x44, 0x28, 0x7F, 0x00,
0x38, 0x54, 0x54, 0x54, 0x18, 0x00,
0x00, 0x08, 0x7E, 0x09, 0x02, 0x00,
0x18, 0xA4, 0xA4, 0x9C, 0x78, 0x00,
0x7F, 0x08, 0x04, 0x04, 0x78, 0x00,
0x00, 0x44, 0x7D, 0x40, 0x00, 0x00,
0x20, 0x40, 0x40, 0x3D, 0x00, 0x00,
0x7F, 0x10, 0x28, 0x44, 0x00, 0x00,
0x00, 0x41, 0x7F, 0x40, 0x00, 0x00,
0x7C, 0x04, 0x78, 0x04, 0x78, 0x00,
0x7C, 0x08, 0x04, 0x04, 0x78, 0x00,
0x38, 0x44, 0x44, 0x44, 0x38, 0x00,
0xFC, 0x18, 0x24, 0x24, 0x18, 0x00,
0x18, 0x24, 0x24, 0x18, 0xFC, 0x00,
0x7C, 0x08, 0x04, 0x04, 0x08, 0x00,
0x48, 0x54, 0x54, 0x54, 0x24, 0x00,
0x04, 0x04, 0x3F, 0x44, 0x24, 0x00,
0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00,
0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00,
0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00,
0x44, 0x28, 0x10, 0x28, 0x44, 0x00,
0x4C, 0x90, 0x90, 0x90, 0x7C, 0x00,
0x44, 0x64, 0x54, 0x4C, 0x44, 0x00,
0x00, 0x08, 0x36, 0x41, 0x00, 0x00,
0x00, 0x00, 0x77, 0x00, 0x00, 0x00,
0x00, 0x41, 0x36, 0x08, 0x00, 0x00,
0x02, 0x01, 0x02, 0x04, 0x02, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00 };
#define FONT_W 12//6
#define FONT_H 2
#define FONT_STRETCHV 1
#define FONT_STRETCHH 1//0
*/
// C64 real
const uint8_t font[]PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ' '
0x00, 0x00, 0x00, 0x4f, 0x4f, 0x00, 0x00, 0x00, // !
0x00, 0x07, 0x07, 0x00, 0x00, 0x07, 0x07, 0x00, // "
0x14, 0x7f, 0x7f, 0x14, 0x14, 0x7f, 0x7f, 0x14, // #
0x00, 0x24, 0x2e, 0x6b, 0x6b, 0x3a, 0x12, 0x00, // $
0x00, 0x63, 0x33, 0x18, 0x0c, 0x66, 0x63, 0x00, // %
0x00, 0x32, 0x7f, 0x4d, 0x4d, 0x77, 0x72, 0x50, // &
0x00, 0x00, 0x00, 0x04, 0x06, 0x03, 0x01, 0x00, // '
0x00, 0x00, 0x1c, 0x3e, 0x63, 0x41, 0x00, 0x00, // (
0x00, 0x00, 0x41, 0x63, 0x3e, 0x1c, 0x00, 0x00, // )
0x08, 0x2a, 0x3e, 0x1c, 0x1c, 0x3e, 0x2a, 0x08, // *
0x00, 0x08, 0x08, 0x3e, 0x3e, 0x08, 0x08, 0x00, // +
0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, 0x00, // ,
0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, // -
0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .
0x00, 0x40, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x02, // /
0x00, 0x3e, 0x7f, 0x49, 0x45, 0x7f, 0x3e, 0x00, // 0
0x00, 0x40, 0x44, 0x7f, 0x7f, 0x40, 0x40, 0x00, // 1
0x00, 0x62, 0x73, 0x51, 0x49, 0x4f, 0x46, 0x00, // 2
0x00, 0x22, 0x63, 0x49, 0x49, 0x7f, 0x36, 0x00, // 3
0x00, 0x18, 0x18, 0x14, 0x16, 0x7f, 0x7f, 0x10, // 4
0x00, 0x27, 0x67, 0x45, 0x45, 0x7d, 0x39, 0x00, // 5
0x00, 0x3e, 0x7f, 0x49, 0x49, 0x7b, 0x32, 0x00, // 6
0x00, 0x03, 0x03, 0x79, 0x7d, 0x07, 0x03, 0x00, // 7
0x00, 0x36, 0x7f, 0x49, 0x49, 0x7f, 0x36, 0x00, // 8
0x00, 0x26, 0x6f, 0x49, 0x49, 0x7f, 0x3e, 0x00, // 9
0x00, 0x00, 0x00, 0x24, 0x24, 0x00, 0x00, 0x00, // :
0x00, 0x00, 0x80, 0xe4, 0x64, 0x00, 0x00, 0x00, // ;
0x00, 0x08, 0x1c, 0x36, 0x63, 0x41, 0x41, 0x00, // <
0x00, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, // =
0x00, 0x41, 0x41, 0x63, 0x36, 0x1c, 0x08, 0x00, // >
0x00, 0x02, 0x03, 0x51, 0x59, 0x0f, 0x06, 0x00, // ?
0x00, 0x3e, 0x7f, 0x41, 0x4d, 0x4f, 0x2e, 0x00, // @
0x00, 0x7c, 0x7e, 0x0b, 0x0b, 0x7e, 0x7c, 0x00, // A
0x00, 0x7f, 0x7f, 0x49, 0x49, 0x7f, 0x36, 0x00, // B
0x00, 0x3e, 0x7f, 0x41, 0x41, 0x63, 0x22, 0x00, // C
0x00, 0x7f, 0x7f, 0x41, 0x63, 0x3e, 0x1c, 0x00, // D
0x00, 0x7f, 0x7f, 0x49, 0x49, 0x41, 0x41, 0x00, // E
0x00, 0x7f, 0x7f, 0x09, 0x09, 0x01, 0x01, 0x00, // F
0x00, 0x3e, 0x7f, 0x41, 0x49, 0x7b, 0x3a, 0x00, // G
0x00, 0x7f, 0x7f, 0x08, 0x08, 0x7f, 0x7f, 0x00, // H
0x00, 0x00, 0x41, 0x7f, 0x7f, 0x41, 0x00, 0x00, // I
0x00, 0x20, 0x60, 0x41, 0x7f, 0x3f, 0x01, 0x00, // J
0x00, 0x7f, 0x7f, 0x1c, 0x36, 0x63, 0x41, 0x00, // K
0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x40, 0x00, // L
0x00, 0x7f, 0x7f, 0x06, 0x0c, 0x06, 0x7f, 0x7f, // M
0x00, 0x7f, 0x7f, 0x0e, 0x1c, 0x7f, 0x7f, 0x00, // N
0x00, 0x3e, 0x7f, 0x41, 0x41, 0x7f, 0x3e, 0x00, // O
0x00, 0x7f, 0x7f, 0x09, 0x09, 0x0f, 0x06, 0x00, // P
0x00, 0x1e, 0x3f, 0x21, 0x61, 0x7f, 0x5e, 0x00, // Q
0x00, 0x7f, 0x7f, 0x19, 0x39, 0x6f, 0x46, 0x00, // R
0x00, 0x26, 0x6f, 0x49, 0x49, 0x7b, 0x32, 0x00, // S
0x00, 0x01, 0x01, 0x7f, 0x7f, 0x01, 0x01, 0x00, // T
0x00, 0x3f, 0x7f, 0x40, 0x40, 0x7f, 0x3f, 0x00, // U
0x00, 0x1f, 0x3f, 0x60, 0x60, 0x3f, 0x1f, 0x00, // V
0x00, 0x7f, 0x7f, 0x30, 0x18, 0x30, 0x7f, 0x7f, // W
0x00, 0x63, 0x77, 0x1c, 0x1c, 0x77, 0x63, 0x00, // X
0x00, 0x07, 0x0f, 0x78, 0x78, 0x0f, 0x07, 0x00, // Y
0x00, 0x61, 0x71, 0x59, 0x4d, 0x47, 0x43, 0x00, // Z
0x00, 0x00, 0x7f, 0x7f, 0x41, 0x41, 0x00, 0x00, // [
0x00, 0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x40,
0x00, 0x00, 0x41, 0x41, 0x7f, 0x7f, 0x00, 0x00, // ]
0x00, 0x08, 0x0c, 0xfe, 0xfe, 0x0c, 0x08, 0x00, // ^
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, // _
0x00, 0x01, 0x03, 0x06, 0x04, 0x00, 0x00, 0x00, // '
0x00, 0x20, 0x74, 0x54, 0x54, 0x7c, 0x78, 0x00, // a
0x00, 0x7e, 0x7e, 0x48, 0x48, 0x78, 0x30, 0x00, // b
0x00, 0x38, 0x7c, 0x44, 0x44, 0x44, 0x00, 0x00, // c
0x00, 0x30, 0x78, 0x48, 0x48, 0x7e, 0x7e, 0x00, // d
0x00, 0x38, 0x7c, 0x54, 0x54, 0x5c, 0x18, 0x00, // e
0x00, 0x00, 0x08, 0x7c, 0x7e, 0x0a, 0x0a, 0x00, // f
0x00, 0x98, 0xbc, 0xa4, 0xa4, 0xfc, 0x7c, 0x00, // g
0x00, 0x7e, 0x7e, 0x08, 0x08, 0x78, 0x70, 0x00, // h
0x00, 0x00, 0x48, 0x7a, 0x7a, 0x40, 0x00, 0x00, // i
0x00, 0x00, 0x80, 0x80, 0x80, 0xfa, 0x7a, 0x00, // j
0x00, 0x7e, 0x7e, 0x10, 0x38, 0x68, 0x40, 0x00, // k
0x00, 0x00, 0x42, 0x7e, 0x7e, 0x40, 0x00, 0x00, // l
0x00, 0x7c, 0x7c, 0x18, 0x38, 0x1c, 0x7c, 0x78, // m
0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x78, 0x00, // n
0x00, 0x38, 0x7c, 0x44, 0x44, 0x7c, 0x38, 0x00, // o
0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x18, 0x00, // p
0x00, 0x18, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x00, // q
0x00, 0x7c, 0x7c, 0x04, 0x04, 0x0c, 0x08, 0x00, // r
0x00, 0x48, 0x5c, 0x54, 0x54, 0x74, 0x24, 0x00, // s
0x00, 0x04, 0x04, 0x3e, 0x7e, 0x44, 0x44, 0x00, // t
0x00, 0x3c, 0x7c, 0x40, 0x40, 0x7c, 0x7c, 0x00, // u
0x00, 0x1c, 0x3c, 0x60, 0x60, 0x3c, 0x1c, 0x00, // v
0x00, 0x1c, 0x7c, 0x70, 0x38, 0x70, 0x7c, 0x1c, // w
0x00, 0x44, 0x6c, 0x38, 0x38, 0x6c, 0x44, 0x00, // x
0x00, 0x9c, 0xbc, 0xa0, 0xe0, 0x7c, 0x3c, 0x00, // y
0x00, 0x44, 0x64, 0x74, 0x5c, 0x4c, 0x44, 0x00, // z
0x00, 0x08, 0x3e, 0x77, 0x41, 0x41, 0x00, 0x00, // {
0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, // |
0x00, 0x00, 0x41, 0x41, 0x77, 0x3e, 0x08, 0x00, // }
0x00, 0x04, 0x02, 0x02, 0x04, 0x04, 0x02, 0x00, // ~
0b0000000, // 126+1; logo
0b1010101,
0b0101010,
0b0101010,
0b0010100,
0b0010100,
0b0001000,
0b0001000,
0b00000, // 126+2; s-meter, 0 bars
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000, // 126+3; s-meter, 1 bars
0b00000,
0b00000,
0b11111,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000, // 126+4; s-meter, 2 bars
0b00000,
0b00000,
0b11111,
0b00000,
0b11111,
0b00000,
0b00000,
0b00000, // 126+5; s-meter, 3 bars
0b00000,
0b00000,
0b11111,
0b00000,
0b11111,
0b00000,
0b11111,
0b00000, // 126+6; vfo-a
0b11100,
0b11110,
0b00101,
0b00101,
0b11110,
0b11100,
0b00000,
0b00000, // 126+7; vfo-b
0b11111,
0b11111,
0b10101,
0b10101,
0b01010,
0b01010,
0b00000 };
#define FONT_W 8
#define FONT_H 2
#define FONT_STRETCHV 1
#define FONT_STRETCHH 0
/* //16x8 C-64 kind of
const uint8_t font[]PROGMEM = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // 0x20
0x00,0x06,0x5F,0x5F,0x06,0x00,0x00,0x00, // 0x21
0x00,0x07,0x07,0x00,0x07,0x07,0x00,0x00, // 0x22
0x14,0x7F,0x7F,0x14,0x7F,0x7F,0x14,0x00, // 0x23
0x24,0x2E,0x6B,0x6B,0x3A,0x12,0x00,0x00, // 0x24
0x46,0x66,0x30,0x18,0x0C,0x66,0x62,0x00, // 0x25
0x30,0x7A,0x4F,0x5D,0x37,0x7A,0x48,0x00, // 0x26
0x04,0x07,0x03,0x00,0x00,0x00,0x00,0x00, // 0x27
0x00,0x1C,0x3E,0x63,0x41,0x00,0x00,0x00, // 0x28
0x00,0x41,0x63,0x3E,0x1C,0x00,0x00,0x00, // 0x29
0x08,0x2A,0x3E,0x1C,0x1C,0x3E,0x2A,0x08, // 0x2A
0x08,0x08,0x3E,0x3E,0x08,0x08,0x00,0x00, // 0x2B
0x00,0xA0,0xE0,0x60,0x00,0x00,0x00,0x00, // 0x2C
0x08,0x08,0x08,0x08,0x08,0x08,0x00,0x00, // 0x2D
0x00,0x00,0x60,0x60,0x00,0x00,0x00,0x00, // 0x2E
0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // 0x2F
0x3E,0x7F,0x59,0x4D,0x7F,0x3E,0x00,0x00, // 0x30
0x42,0x42,0x7F,0x7F,0x40,0x40,0x00,0x00, // 0x31
0x62,0x73,0x59,0x49,0x6F,0x66,0x00,0x00, // 0x32
0x22,0x63,0x49,0x49,0x7F,0x36,0x00,0x00, // 0x33
0x18,0x1C,0x16,0x13,0x7F,0x7F,0x10,0x00, // 0x34
0x27,0x67,0x45,0x45,0x7D,0x39,0x00,0x00, // 0x35
0x3C,0x7E,0x4B,0x49,0x79,0x30,0x00,0x00, // 0x36
0x03,0x63,0x71,0x19,0x0F,0x07,0x00,0x00, // 0x37
0x36,0x7F,0x49,0x49,0x7F,0x36,0x00,0x00, // 0x38
0x06,0x4F,0x49,0x69,0x3F,0x1E,0x00,0x00, // 0x39
0x00,0x00,0x6C,0x6C,0x00,0x00,0x00,0x00, // 0x3A
0x00,0xA0,0xEC,0x6C,0x00,0x00,0x00,0x00, // 0x3B
0x08,0x1C,0x36,0x63,0x41,0x00,0x00,0x00, // 0x3C
0x14,0x14,0x14,0x14,0x14,0x14,0x00,0x00, // 0x3D
0x00,0x41,0x63,0x36,0x1C,0x08,0x00,0x00, // 0x3E
0x02,0x03,0x51,0x59,0x0F,0x06,0x00,0x00, // 0x3F
0x3E,0x7F,0x41,0x5D,0x5D,0x1F,0x1E,0x00, // 0x40
0x7C,0x7E,0x13,0x13,0x7E,0x7C,0x00,0x00, // 0x41
0x41,0x7F,0x7F,0x49,0x49,0x7F,0x36,0x00, // 0x42
0x1C,0x3E,0x63,0x41,0x41,0x63,0x22,0x00, // 0x43
0x41,0x7F,0x7F,0x41,0x63,0x7F,0x1C,0x00, // 0x44
0x41,0x7F,0x7F,0x49,0x5D,0x41,0x63,0x00, // 0x45
0x41,0x7F,0x7F,0x49,0x1D,0x01,0x03,0x00, // 0x46
0x1C,0x3E,0x63,0x41,0x51,0x73,0x72,0x00, // 0x47
0x7F,0x7F,0x08,0x08,0x7F,0x7F,0x00,0x00, // 0x48
0x00,0x41,0x7F,0x7F,0x41,0x00,0x00,0x00, // 0x49
0x30,0x70,0x40,0x41,0x7F,0x3F,0x01,0x00, // 0x4A
0x41,0x7F,0x7F,0x08,0x1C,0x77,0x63,0x00, // 0x4B
0x41,0x7F,0x7F,0x41,0x40,0x60,0x70,0x00, // 0x4C
0x7F,0x7F,0x06,0x0C,0x06,0x7F,0x7F,0x00, // 0x4D
0x7F,0x7F,0x06,0x0C,0x18,0x7F,0x7F,0x00, // 0x4E
0x1C,0x3E,0x63,0x41,0x63,0x3E,0x1C,0x00, // 0x4F
0x41,0x7F,0x7F,0x49,0x09,0x0F,0x06,0x00, // 0x50
0x1E,0x3F,0x21,0x71,0x7F,0x5E,0x00,0x00, // 0x51
0x41,0x7F,0x7F,0x19,0x39,0x6F,0x46,0x00, // 0x52
0x26,0x67,0x4D,0x59,0x7B,0x32,0x00,0x00, // 0x53
0x03,0x41,0x7F,0x7F,0x41,0x03,0x00,0x00, // 0x54
0x7F,0x7F,0x40,0x40,0x7F,0x7F,0x00,0x00, // 0x55
0x1F,0x3F,0x60,0x60,0x3F,0x1F,0x00,0x00, // 0x56
0x7F,0x7F,0x30,0x18,0x30,0x7F,0x7F,0x00, // 0x57
0x63,0x77,0x1C,0x08,0x1C,0x77,0x63,0x00, // 0x58
0x07,0x4F,0x78,0x78,0x4F,0x07,0x00,0x00, // 0x59
0x67,0x73,0x59,0x4D,0x47,0x63,0x71,0x00, // 0x5A
0x00,0x7F,0x7F,0x41,0x41,0x00,0x00,0x00, // 0x5B
0x01,0x03,0x06,0x0C,0x18,0x30,0x60,0x00, // 0x5C
0x00,0x41,0x41,0x7F,0x7F,0x00,0x00,0x00, // 0x5D
0x08,0x0C,0x06,0x03,0x06,0x0C,0x08,0x00, // 0x5E
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80, // 0x5F
0x00,0x00,0x03,0x07,0x04,0x00,0x00,0x00, // 0x60
0x20,0x74,0x54,0x54,0x3C,0x78,0x40,0x00, // 0x61
0x41,0x3F,0x7F,0x44,0x44,0x7C,0x38,0x00, // 0x62
0x38,0x7C,0x44,0x44,0x6C,0x28,0x00,0x00, // 0x63
0x30,0x78,0x48,0x49,0x3F,0x7F,0x40,0x00, // 0x64
0x38,0x7C,0x54,0x54,0x5C,0x18,0x00,0x00, // 0x65
0x48,0x7E,0x7F,0x49,0x03,0x02,0x00,0x00, // 0x66
0x98,0xBC,0xA4,0xA4,0xF8,0x7C,0x04,0x00, // 0x67
0x41,0x7F,0x7F,0x08,0x04,0x7C,0x78,0x00, // 0x68
0x00,0x44,0x7D,0x7D,0x40,0x00,0x00,0x00, // 0x69
0x40,0xC4,0x84,0xFD,0x7D,0x00,0x00,0x00, // 0x6A
0x41,0x7F,0x7F,0x10,0x38,0x6C,0x44,0x00, // 0x6B
0x00,0x41,0x7F,0x7F,0x40,0x00,0x00,0x00, // 0x6C
0x7C,0x7C,0x0C,0x18,0x0C,0x7C,0x78,0x00, // 0x6D
0x7C,0x7C,0x04,0x04,0x7C,0x78,0x00,0x00, // 0x6E
0x38,0x7C,0x44,0x44,0x7C,0x38,0x00,0x00, // 0x6F
0x84,0xFC,0xF8,0xA4,0x24,0x3C,0x18,0x00, // 0x70
0x18,0x3C,0x24,0xA4,0xF8,0xFC,0x84,0x00, // 0x71
0x44,0x7C,0x78,0x44,0x1C,0x18,0x00,0x00, // 0x72
0x48,0x5C,0x54,0x54,0x74,0x24,0x00,0x00, // 0x73
0x00,0x04,0x3E,0x7F,0x44,0x24,0x00,0x00, // 0x74
0x3C,0x7C,0x40,0x40,0x3C,0x7C,0x40,0x00, // 0x75
0x1C,0x3C,0x60,0x60,0x3C,0x1C,0x00,0x00, // 0x76
0x3C,0x7C,0x60,0x30,0x60,0x7C,0x3C,0x00, // 0x77
0x44,0x6C,0x38,0x10,0x38,0x6C,0x44,0x00, // 0x78
0x9C,0xBC,0xA0,0xA0,0xFC,0x7C,0x00,0x00, // 0x79
0x4C,0x64,0x74,0x5C,0x4C,0x64,0x00,0x00, // 0x7A
0x08,0x08,0x3E,0x77,0x41,0x41,0x00,0x00, // 0x7B
0x00,0x00,0x00,0x77,0x77,0x00,0x00,0x00, // 0x7C
0x41,0x41,0x77,0x3E,0x08,0x08,0x00,0x00, // 0x7D
0x02,0x03,0x01,0x03,0x02,0x03,0x01,0x00, // 0x7E
0x78,0x7C,0x46,0x43,0x46,0x7C,0x78,0x00}; // 0x7F
#define FONT_W 8
#define FONT_H 2
#define FONT_STRETCHV 1
#define FONT_STRETCHH 0
*/
//#define INVERSE 1
static const uint8_t oled_init_sequence [] PROGMEM = { // Initialization Sequence https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf
//0xAE, // Display OFF (sleep mode)
0xD5, 0x80, // 0x01--set display clock divide ratio/oscillator frequency OK? (0x80 (or >=0x10) needed when multiplex ration set to 0x3F)
#ifdef CONDENSED
0xA8, 0x3F, // Set multiplex ratio(1 to 64) 128x64
#else
0xA8, 0x1F, // Set multiplex ratio(1 to 64) 128x32
#endif
0xD3, 0x00, // Set display offset. 00 = no offset
#ifndef OLED_SH1106 // for SSD1306 only:
0x40, // Set display start line address
0x8D, 0x14, // Set charge pump, internal VCC
0x20, 0x02, // Set Memory Addressing; 0=Horizontal Mode; 1=Vertical Mode; 2=Page Mode
0xA4, // Output RAM to Display (display all on resume) 0xA4=Output follows RAM content; 0xA5,Output ignores RAM content
#endif //!OLED_SH1106
0xA1, // Set Segment Re-map. A0=column 0 mapped to SEG0; A1=column 127 mapped to SEG0. Flip Horizontally
0xC8, // Set COM Output Scan Direction. Flip Veritically.
#ifdef CONDENSED
0xDA, 0x12, // Set com pins hardware configuration 128x64
#else
0xDA, 0x02, // Set com pins hardware configuration 128x32
#endif
0x81, 0x80, // Set contrast control register
0xDB, 0x40, // Set vcomh 0x20 = 0.77xVcc
0xD9, 0xF1, // 0xF1=brighter //0x22 Set pre-charge period
0xB0 | 0x0, // Set page address, 0-7
#ifdef OLED_SH1106
0xAD, 0x8B, // SH1106 Set pump mode: pump ON
0x30 | 0x2, // SH1106 Pump voltage 8.0V
#endif //OLED_SH1106
#ifdef INVERSE
0xA7, // Set display mode: Inverse
#else
0xA6, // Set display mode: Normal
#endif
//0x00, // Set low nibble of column address
//0x10, // Set high nibble of column address
0xAF, // Display ON
};
class OLEDDevice: public Print { // https://www.buydisplay.com/download/manual/ER-OLED0.91-3_Series_Datasheet.pdf
public:
#define OLED_ADDR 0x3C // Slave address
#define OLED_PAGES 4
#define OLED_COMMAND 0x00
#define OLED_DATA 0x40
uint8_t oledX = 0, oledY = 0;
uint8_t renderingFrame = 0xB0;
bool wrap = false;
void cmd(uint8_t b){
Wire.beginTransmission(OLED_ADDR); Wire.write(OLED_COMMAND);
Wire.write(b);
Wire.endTransmission();
}
void begin(uint8_t cols, uint8_t rows, uint8_t charsize = 0){
Wire.begin();
Wire.beginTransmission(OLED_ADDR); Wire.write(OLED_COMMAND);
for (uint8_t i = 0; i < sizeof(oled_init_sequence); i++) {
Wire.write(pgm_read_byte(&oled_init_sequence[i]));
}
Wire.endTransmission();
delayMicroseconds(100);
#ifdef CONDENSED
for(uint8_t y = 0; y != rows; y++) for(uint8_t x = 0; x != cols; x++){ setCursor(x, y); write(' '); } // clear
#endif
}
bool curs = false;
void noCursor(){ curs = false; }
void cursor(){ curs = true; }
void noDisplay(){ cmd(0xAE); }
void createChar(uint8_t l, uint8_t glyph[]){}
void _setCursor(uint8_t x, uint8_t y) {
oledX = x; oledY = y;
Wire.beginTransmission(OLED_ADDR); Wire.write(OLED_COMMAND);
Wire.write(renderingFrame | (oledY & 0x07));
uint8_t _oledX = oledX;
#ifdef OLED_SH1106
_oledX += 2; // SH1106 is a 132x64 controller. Use middle 128 columns.
#endif
Wire.write(0x10 | ((_oledX & 0xf0) >> 4));
Wire.write(_oledX & 0x0f);
Wire.endTransmission();
}
void drawCursor(bool en){
//_setCursor(oledX, oledY + (FONT_W/(FONT_STRETCHH+1)));
Wire.beginTransmission(OLED_ADDR); Wire.write(OLED_DATA);
Wire.write((en) ? 0xf0 : 0x00); // horizontal line
Wire.endTransmission();