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283 lines
8.4 KiB
283 lines
8.4 KiB
/*
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Digital VFO with Rotation Dial
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File: VFOsys2.ino
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Author: JF3HZB / T.UEBO
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Created on July 1, 2023
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Board manager: esp32 ver. 2.0.9
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Board: ESP32 Dev Module
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Library: LovyanGFX ver. 1.1.16
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Ver. 2.00 July 1, 2023
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Ver. 2.20 Aug. 3, 2024
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1. Changed the font of digital frequency display to Nixie tube like.
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2. Added the function for dial lamp emulation.
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Ver. 2.21 Aug. 7, 2024
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Improved display quality
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*/
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#define NAME "VFO System"
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#define VERSION "Ver. 2.21"
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#define ID "by JF3HZB"
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#include "dial.hpp"
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#include "si5351.h"
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#include "driver/pcnt.h"
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LGFX lcd;
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LGFX_Sprite sp;
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LGFX_Sprite sprites[2];
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bool flip;
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int sprite_height;
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DIAL dial;
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#define PULSE_INPUT_PIN 16 // Rotaty Encoder A
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#define PULSE_CTRL_PIN 17 // Rotaty Encoder B
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/*-------------------------------------------------------
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Frequency settings
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--------------------------------------------------------*/
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#define init_frq 7100000 // Initial Frequncy[Hz]
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int32_t offset_frq = 9000000; // Offset Frequency[Hz]
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int32_t car_frq = 8998500; // Carrier Frequncy[Hz]
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#define max_frq 200000000 // Max frequency[Hz]
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#define min_frq 10000 // Min frequency[Hz]
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/*----------------------------------------------------------
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Adaptive step control parameters
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-----------------------------------------------------------*/
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#define vth 3 // Velocity threshold for acceleration
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#define Racc 200 // Rate of acceleration
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#define Rdec 500 // Rate of deceleration
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#define freq_step 10 // Min step[Hz]
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#define MAX_Step 10000 // [Hz]
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float L=0.0;
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float inv_Tacc=Racc*1.0e-8;
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float MaxL = sqrt( (MAX_Step - freq_step)/inv_Tacc );
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int32_t afstp;
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int16_t RE_Count = 0;
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/*----------------------------------------------------------------------------------
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Control flags
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-----------------------------------------------------------------------------------*/
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uint8_t f_fchange = 1; // if frequency changed, set this flag to 1
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uint8_t f_cchange = 1; // if Car frequency and/or "f_carON" changed, set this flag to 1
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uint8_t f_carON = 0; // ON(1)/OFF(0) Car signal
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int32_t Dial_frq;
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int velocity = 0;
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int velo[16];
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int pt_v = 0;
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TaskHandle_t H_Task;
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/*--------------------------------------------------
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core 0 Alt_Thread()
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---------------------------------------------------*/
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void Alt_Thread(void *args) {
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delay(200);
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si5351_init();
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Dial_frq = init_frq;
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set_freq(Dial_frq);
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set_car_freq(car_frq, f_carON, 0);
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while (1)
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{
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// Encoder
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pcnt_get_counter_value(PCNT_UNIT_0, &RE_Count);
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#ifdef REV_ENCODER
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int count=-RE_Count;
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#else if
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int count=RE_Count;
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#endif
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pcnt_counter_clear(PCNT_UNIT_0);
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velo[pt_v]=abs(count);
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pt_v++; if(pt_v>16) pt_v=0;
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velocity = 0;
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for(int i=0; i<16; i++) velocity+=velo[i];
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// Step control
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if(count!=0){
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afstp=(int32_t)(0.5 + (float)(count)*( (float)freq_step + L*L*inv_Tacc) );
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if(velocity >= vth ) L+=1.0*(float)( velocity - vth );
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if(L>MaxL) L=MaxL;
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}else{
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L-=(float)Rdec;
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if(L<0) L=0;
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}
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// Update frequency
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if(afstp!=0){
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int32_t tfrq=Dial_frq;
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tfrq+=afstp;
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tfrq = (tfrq/freq_step)*freq_step;
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if(tfrq>max_frq) tfrq=max_frq;
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if(tfrq<min_frq) tfrq=min_frq;
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Dial_frq=tfrq;
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afstp=0;
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f_fchange = 1;
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}
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// Set frequency to Si5351A
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if(f_fchange==1){
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f_fchange=0;
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// Lo freq
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set_freq( Dial_frq + offset_frq );
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}
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if(f_cchange==1){
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f_cchange=0;
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// Car freq
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set_car_freq(car_frq, f_carON, 0);
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}
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delay(10);
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}
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}
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void setup(void)
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{
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xTaskCreatePinnedToCore(Alt_Thread, "Alt_Thread", 8192, NULL, 4, &H_Task, 0);
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Serial.begin(115200);
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//--- Counter setup for Rotary Encoder ---------------------
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pcnt_config_t pcnt_config_A;// structure for A
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pcnt_config_t pcnt_config_B;// structure for B
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//
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pcnt_config_A.pulse_gpio_num = PULSE_INPUT_PIN;
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pcnt_config_A.ctrl_gpio_num = PULSE_CTRL_PIN;
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pcnt_config_A.lctrl_mode = PCNT_MODE_REVERSE;
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pcnt_config_A.hctrl_mode = PCNT_MODE_KEEP;
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pcnt_config_A.channel = PCNT_CHANNEL_0;
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pcnt_config_A.unit = PCNT_UNIT_0;
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pcnt_config_A.pos_mode = PCNT_COUNT_INC;
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pcnt_config_A.neg_mode = PCNT_COUNT_DEC;
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pcnt_config_A.counter_h_lim = 10000;
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pcnt_config_A.counter_l_lim = -10000;
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//
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pcnt_config_B.pulse_gpio_num = PULSE_CTRL_PIN;
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pcnt_config_B.ctrl_gpio_num = PULSE_INPUT_PIN;
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pcnt_config_B.lctrl_mode = PCNT_MODE_KEEP;
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pcnt_config_B.hctrl_mode = PCNT_MODE_REVERSE;
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pcnt_config_B.channel = PCNT_CHANNEL_1;
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pcnt_config_B.unit = PCNT_UNIT_0;
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pcnt_config_B.pos_mode = PCNT_COUNT_INC;
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pcnt_config_B.neg_mode = PCNT_COUNT_DEC;
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pcnt_config_B.counter_h_lim = 10000;
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pcnt_config_B.counter_l_lim = -10000;
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//
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pcnt_unit_config(&pcnt_config_A);//Initialize A
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pcnt_unit_config(&pcnt_config_B);//Initialize B
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pcnt_counter_pause(PCNT_UNIT_0);
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pcnt_counter_clear(PCNT_UNIT_0);
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pcnt_counter_resume(PCNT_UNIT_0); //Start
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LCD_setup();
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lcd.setTextColor(TFT_CYAN);
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lcd.setFont(&fonts::Font0);
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lcd.setTextSize(1.0f*( lcd.height()/64.0f));
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lcd.setCursor( 0.5f*(lcd.width()-lcd.textWidth(NAME) ), 0.1f*lcd.height() );
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lcd.printf( NAME );
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lcd.setTextSize(1.0f*( lcd.height()/64.0f));
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lcd.setCursor( 0.5f*(lcd.width()-lcd.textWidth(VERSION) ), 0.4f*lcd.height());
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lcd.printf(VERSION);
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lcd.setTextSize(1.0f*(lcd.height()/64.0f));
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lcd.setCursor( 0.5f*(lcd.width()-lcd.textWidth(ID) ), 0.7f*lcd.height());
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lcd.printf(ID);
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delay(1000);
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}
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void loop(void)
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{
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int32_t Disp_frq = Dial_frq;
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// Display process -------------------------------------------------------------------
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for (int yoff = 0; yoff < lcd.height(); yoff += sprite_height)
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{
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sprites[flip].clear(BGCol);
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// Draw dial
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dial.draw(Disp_frq, yoff);
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// Draw digital frequency display
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#ifndef Digtal_Freq_OFF
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#ifdef MODE0
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int xdf=-2, ydf=0;// position
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char str[12];
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sprintf(str, "%03d.%03d.%02d",
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Disp_frq/1000000, (Disp_frq%1000000)/1000, (Disp_frq%1000)/10 );
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for(int i=0; i<12; i++)
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{
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switch(str[i])
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{
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case '0':
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if( (i==0) || (i==1 && str[0]=='0') )
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nxb);
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else
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx0);
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xdf += nxfontWidth;
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break;
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case '1':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx1); xdf += nxfontWidth; break;
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case '2':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx2); xdf += nxfontWidth; break;
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case '3':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx3); xdf += nxfontWidth; break;
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case '4':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx4); xdf += nxfontWidth; break;
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case '5':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx5); xdf += nxfontWidth; break;
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case '6':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx6); xdf += nxfontWidth; break;
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case '7':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx7); xdf += nxfontWidth; break;
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case '8':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx8); xdf += nxfontWidth; break;
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case '9':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nx9); xdf += nxfontWidth; break;
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case '.':
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sprites[flip].pushImage(xdf, ydf -yoff, nxfontWidth, nxfontHeight, nxd); xdf += nxfontWidth; break;
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}
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}
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#endif
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#endif
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// Add draw functions if you need.
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// Note that the y-coordinate is applied with the offset -yoff added.
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//
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// ex.
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// sprites[flip].setFont(&fonts::Font4);
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// sprites[flip].setTextSize(1.0f);
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// sprites[flip].setTextColor(TFT_WHITE);
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// sprites[flip].setCursor(0, 55 -yoff); // "-yoff" is Required
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// sprites[flip].print("LSB");
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//
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//
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sprites[flip].pushSprite(&lcd, 0, yoff);
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flip = !flip;
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}
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// End of Display process -------------------------------------------------------------
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}
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