/*
Name: VFOWithAnalogDial_VS.ino
Created: 9/24/2022 10:36:25 AM
Author: Huzefa
*/
/*------------------------------------------------------------------
VFO System for ESP32-DevKitC Ver 1.00
by T.Uebo / JF3HZB
Feb. 10, 2019
--------------------------------------------------------------------*/
/*------Hard ware Configuration ---------------------
<<ESP32-DevKitC>>
pin No. Connection
17 : Rotary Encoder A
16 : Rotary Encoder B
22 : si5351A SCL
21 : si5351A SDA
18 : SCK / ST7735,SEPS525(128x160 display)
23 : MOSI / ST7735,SEPS525(128x160 display)
5 : CS / ST7735,SEPS525(128x160 display)
2 : DC(A0) / ST7735,SEPS525(128x160 display)
15 : RESET / ST7735,SEPS525(128x160 display)
<<si5351A>>
CLK0 : Car Signal (I)
CLK1 : Car Signal (Q)
CLK2 : Lo Signal
------------------------------------------------*/
/*-------------------------------------------------------
Frequency settings
--------------------------------------------------------*/
#define init_freq 7100000 // Initial Frequncy[Hz]
int32_t offset_frq = 8998500; // Offset Frequency[Hz]
int32_t car_frq = 8998500; // Carrier Frequncy[Hz]
unsigned char f_carON = 1; // ON/OFF Car signal
#define fmax 150000000 // Max frequency[Hz]
#define fmin 100000 // Min frequency[Hz]
#define freq_step 10 // step[Hz]
/*----------------------------------------------------------------------------------
Control flags
-----------------------------------------------------------------------------------*/
uint8_t f_fchange; // if frequency changed, set this flag to 1
uint8_t f_cchange; // if Car frequency and/or "f_carON" changed, set this flag to 1
uint8_t f_dchange; // if need to renew display, set this flag to 1
/*--------------------------------------------------------
pin assign
----------------------------------------------------------*/
//#define LED_BUILTIN 13
#define PULSE_INPUT_PIN 16 // Rotaty Encoder A
#define PULSE_CTRL_PIN 17 // Rotaty Encoder B
//------------------------------------------------------------------------------
#define NAME "VFO System"
#define VERSION "Ver. 1.00"
#define ID "by JF3HZB"
#include "driver/pcnt.h"
#include "display.h"
#include "graph.h"
#include "dial.h"
#include "si5351.h"
/*-----------------------------------------------------------------------------
* Global
-----------------------------------------------------------------------------*/
float dacc = 0.0;
float Maxdacc = 500.0;
long frq = init_freq;
int16_t RE_Count = 0;
uint8_t f_redraw;
extern char f_rev;
extern uint32_t cl_BG;
/*--------------------------------------------------------------------------
Timer ISR
---------------------------------------------------------------------------*/
hw_timer_t* timer = NULL;
void IRAM_ATTR onTimer() {}
//-----------------------------------------------------------------------------------------------
void setup() {
//-----------------------------------------------------------------------------------------------
char str[64];
//--------- create tasks on core0 --------------------------------
xTaskCreatePinnedToCore(task0, "Task0", 4096, NULL, 1, NULL, 0);
//--------- Set up Interrupt Timer -------------------------------
timer = timerBegin(0, 80, true); //use Timer0, div80 for 1us clock
timerAttachInterrupt(timer, &onTimer, true);
timerAlarmWrite(timer, 10000, true); // T=10000us
timerAlarmEnable(timer); // Start Timer
//pinMode(LED_BUILTIN, OUTPUT); //LED
//--- Counter setup for Rotary Encoder ---------------------
pcnt_config_t pcnt_config_A;// structure for A
pcnt_config_t pcnt_config_B;// structure for B
//
pcnt_config_A.pulse_gpio_num = PULSE_INPUT_PIN;
pcnt_config_A.ctrl_gpio_num = PULSE_CTRL_PIN;
pcnt_config_A.lctrl_mode = PCNT_MODE_REVERSE;
pcnt_config_A.hctrl_mode = PCNT_MODE_KEEP;
pcnt_config_A.channel = PCNT_CHANNEL_0;
pcnt_config_A.unit = PCNT_UNIT_0;
pcnt_config_A.pos_mode = PCNT_COUNT_INC;
pcnt_config_A.neg_mode = PCNT_COUNT_DEC;
pcnt_config_A.counter_h_lim = 10000;
pcnt_config_A.counter_l_lim = -10000;
//
pcnt_config_B.pulse_gpio_num = PULSE_CTRL_PIN;
pcnt_config_B.ctrl_gpio_num = PULSE_INPUT_PIN;
pcnt_config_B.lctrl_mode = PCNT_MODE_KEEP;
pcnt_config_B.hctrl_mode = PCNT_MODE_REVERSE;
pcnt_config_B.channel = PCNT_CHANNEL_1;
pcnt_config_B.unit = PCNT_UNIT_0;
pcnt_config_B.pos_mode = PCNT_COUNT_INC;
pcnt_config_B.neg_mode = PCNT_COUNT_DEC;
pcnt_config_B.counter_h_lim = 10000;
pcnt_config_B.counter_l_lim = -10000;
//
pcnt_unit_config(&pcnt_config_A);//Initialize A
pcnt_unit_config(&pcnt_config_B);//Initialize B
pcnt_counter_pause(PCNT_UNIT_0);
pcnt_counter_clear(PCNT_UNIT_0);
pcnt_counter_resume(PCNT_UNIT_0); //Start
display_init();
GRAM_clr();
sprintf(str, NAME); disp_str16(str, 20, 90, 0x00ffff);
sprintf(str, VERSION); disp_str12(str, 36, 50, 0x00ffff);
sprintf(str, ID); disp_str8(str, 50, 20, 0x00ffff);
trans65k();
f_redraw = 1;
delay(1000);
init_Dial();
GRAM_clr();
si5351_init();
f_fchange = 1;
f_cchange = 1;
f_dchange = 1;
f_redraw = 0;
}
//-----------------------------------------------------------------------------------------------
void loop() { // (core1)
//-----------------------------------------------------------------------------------------------
char str[64];
if (f_dchange == 1) {
f_dchange = 0;
//GRAM_clr();
boxfill(0, 0, Nx - 1, Ny - 1, cl_BG);
//Display Dial
Dial(frq);
box(7, 100, 153, 126, 0xa0a0a0);
box(6, 99, 154, 127, 0xa0a0a0);
//-------- Display Digital Frquency ---------------------------------------
sprintf(str, "%3d.%03d,%02d", frq / 1000000, (frq / 1000) % 1000, (frq / 10) % 100);
disp_str16(str, 17, 105, 0xffd080);
sprintf(str, "MHz");
disp_str12(str, 120, 106, 0xffd080);
if (f_redraw == 0) {
trans65k();
f_redraw = 1;
}
}
//digitalWrite(LED_BUILTIN, 1^digitalRead(LED_BUILTIN) ); // Toggle LED
}
/*-----------------------------------------------------------------------------------------------
Alternative Loop (core0)
------------------------------------------------------------------------------------------------*/
void task0(void* arg)
{
while (1)
{
pcnt_get_counter_value(PCNT_UNIT_0, &RE_Count);
int count = RE_Count;
pcnt_counter_clear(PCNT_UNIT_0);
if (f_rev == 1) count = -count;
if (count != 0) {
f_dchange = 1;
f_fchange = 1;
frq += count * freq_step;
if (frq > fmax) frq = fmax;
if (frq < fmin) frq = fmin;
}
//-------------------------------------
if (f_fchange == 1) {
f_fchange = 0;
// Output Lo freq
set_freq(frq + offset_frq);
}
//-------------------------------------
if (f_cchange == 1) {
f_cchange = 0;
// Output Car freq
set_car_freq(car_frq, f_carON, 0);
}
if (f_redraw == 1) {
Transfer_Image();
f_redraw = 0;
}
delay(1);
}
}