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https://github.com/sanni/cartreader.git
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Merge pull request #282 from CaitSith2/master
Add Clock generator calibration option
This commit is contained in:
commit
d7473dd2a3
@ -17,6 +17,7 @@
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Rotary Enc lib: https://github.com/mathertel/RotaryEncoder
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SI5351 lib: https://github.com/etherkit/Si5351Arduino
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RTC lib: https://github.com/adafruit/RTClib
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Frequency lib: https://github.com/PaulStoffregen/FreqCount
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Compiled with Arduino 1.8.13
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@ -36,8 +36,14 @@ static const char snsMenuItem1[] PROGMEM = "Super Nintendo";
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static const char snsMenuItem2[] PROGMEM = "NPower SF Memory";
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static const char snsMenuItem3[] PROGMEM = "Satellaview BS-X";
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static const char snsMenuItem4[] PROGMEM = "Flash repro";
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#ifdef clockgen_calibration
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static const char snsMenuItem5[] PROGMEM = "Calibrate Clock";
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static const char snsMenuItem6[] PROGMEM = "Reset";
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static const char* const menuOptionsSNS[] PROGMEM = {snsMenuItem1, snsMenuItem2, snsMenuItem3, snsMenuItem4, snsMenuItem5, snsMenuItem6};
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#else
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static const char snsMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsSNS[] PROGMEM = {snsMenuItem1, snsMenuItem2, snsMenuItem3, snsMenuItem4, snsMenuItem5};
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#endif
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// SNES menu items
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static const char SnesMenuItem1[] PROGMEM = "Read Rom";
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@ -133,8 +139,14 @@ void snsMenu() {
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// create menu with title and 6 options to choose from
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unsigned char snsCart;
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// Copy menuOptions out of progmem
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#ifdef clockgen_calibration
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convertPgm(menuOptionsSNS, 6);
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snsCart = question_box(F("Select Cart Type"), menuOptions, 6, 0);
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#else
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convertPgm(menuOptionsSNS, 5);
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snsCart = question_box(F("Select Cart Type"), menuOptions, 5, 0);
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#endif
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// wait for user choice to come back from the question box menu
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switch (snsCart)
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@ -169,6 +181,12 @@ void snsMenu() {
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#endif
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case 4:
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#ifdef clockgen_calibration
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clkcal();
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break;
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case 5:
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#endif
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resetArduino();
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break;
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}
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215
Cart_Reader/clkcal.ino
Normal file
215
Cart_Reader/clkcal.ino
Normal file
@ -0,0 +1,215 @@
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//******************************************
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// Clock Calibration Module
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//******************************************
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#ifdef clockgen_calibration
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#include <FreqCount.h>
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#include "snes_clk.h"
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#include "SdFat.h"
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/******************************************
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Variables
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*****************************************/
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int32_t cal_factor = 0;
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int32_t old_cal = 0;
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int32_t cal_offset = 100;
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/******************************************
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Clock Calibration
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*****************************************/
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void clkcal() {
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// Adafruit Clock Generator
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// last number is the clock correction factor which is custom for each clock generator
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cal_factor = readClockOffset();
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display.clearDisplay();
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display.setCursor(0, 0);
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display.print("Read correction: ");
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display.println(cal_factor);
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display.display();
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delay(500);
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if (cal_factor > INT32_MIN) {
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clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, cal_factor);
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} else {
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clockgen.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
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cal_factor = 0;
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}
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//clockgen.set_correction(cal_factor, SI5351_PLL_INPUT_XO);
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clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
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clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLB);
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//clockgen.pll_reset(SI5351_PLLA);
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//clockgen.pll_reset(SI5351_PLLB);
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clockgen.set_freq(400000000ULL, SI5351_CLK0);
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clockgen.set_freq(100000000ULL, SI5351_CLK1);
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clockgen.set_freq(307200000ULL, SI5351_CLK2);
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clockgen.output_enable(SI5351_CLK1, 1);
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clockgen.output_enable(SI5351_CLK2, 1);
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clockgen.output_enable(SI5351_CLK0, 1);
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// Frequency Counter
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delay(500);
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FreqCount.begin(1000);
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while (1)
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{
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if (old_cal != cal_factor) {
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display_Clear();
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F(" Adjusting"));
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display_Update();
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clockgen.set_correction(cal_factor, SI5351_PLL_INPUT_XO);
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clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
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clockgen.set_pll(SI5351_PLL_FIXED, SI5351_PLLB);
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clockgen.pll_reset(SI5351_PLLA);
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clockgen.pll_reset(SI5351_PLLB);
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clockgen.set_freq(400000000ULL, SI5351_CLK0);
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clockgen.set_freq(100000000ULL, SI5351_CLK1);
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clockgen.set_freq(307200000ULL, SI5351_CLK2);
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old_cal = cal_factor;
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delay(500);
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}
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else {
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clockgen.update_status();
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while (clockgen.dev_status.SYS_INIT == 1) {
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}
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if (FreqCount.available()) {
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float count = FreqCount.read();
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display_Clear();
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println_Msg(F("Clock Calibration"));
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println_Msg(F(""));
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print_Msg(F("Freq: "));
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print_Msg(count);
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println_Msg(F("Hz"));
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print_Msg(F("Correction:"));
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print_right(cal_factor);
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print_Msg(F("Adjustment:"));
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print_right(cal_offset);
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#ifdef enable_Button2
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println_Msg(F("(Hold button to save)"));
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println_Msg(F(""));
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println_Msg(F("Decrease Increase"));
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#else
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#ifdef enable_rotary
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println_Msg(F("Rotate to adjust"));
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#else
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println_Msg(F("Click/dbl to adjust"));
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#endif
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#endif
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display_Update();
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}
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#ifdef enable_Button2
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// get input button
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int a = checkButton1();
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int b = checkButton2();
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// if the cart readers input button is pressed shortly
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if (a == 1) {
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old_cal = cal_factor;
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cal_factor -= cal_offset;
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}
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if (b == 1) {
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old_cal = cal_factor;
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cal_factor += cal_offset;
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}
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// if the cart readers input buttons is double clicked
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if (a == 2) {
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cal_offset /= 10ULL;
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if (cal_offset < 1)
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{
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cal_offset = 100000000ULL;
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}
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}
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if (b == 2) {
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cal_offset *= 10ULL;
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if (cal_offset > 100000000ULL)
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{
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cal_offset = 1;
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}
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}
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// if the cart readers input button is pressed long
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if (a == 3) {
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savetofile();
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}
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if (b == 3) {
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savetofile();
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}
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#else
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//Handle inputs for either rotary encoder or single button interface.
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int a = checkButton();
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if (a == 1) { //clockwise rotation or single click
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old_cal = cal_factor;
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cal_factor += cal_offset;
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}
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if (a == 2) { //counterclockwise rotation or double click
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old_cal = cal_factor;
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cal_factor -= cal_offset;
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}
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if (a == 3) { //button short hold
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cal_offset *= 10ULL;
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if (cal_offset > 100000000ULL)
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{
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cal_offset = 1;
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}
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}
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if (a == 4) { //button long hold
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savetofile();
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}
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#endif
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}
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}
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}
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void print_right(int32_t number)
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{
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int32_t abs_number = number;
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if (abs_number < 0)
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abs_number *= -1;
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else
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print_Msg(F(" "));
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if (abs_number == 0)
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abs_number = 1;
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while(abs_number < 100000000ULL)
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{
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print_Msg(F(" "));
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abs_number *= 10ULL;
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}
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println_Msg(number);
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}
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void savetofile() {
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display_Clear();
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println_Msg(F("Saving..."));
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println_Msg(cal_factor);
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display_Update();
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delay(2000);
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if (!myFile.open("/snes_clk.txt", O_WRITE | O_CREAT | O_TRUNC)) {
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print_Error(F("SD Error"), true);
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}
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// Write calibration factor to file
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myFile.print(cal_factor);
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// Close the file:
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myFile.close();
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println_Msg(F("Done"));
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display_Update();
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delay(1000);
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resetArduino();
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}
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#endif
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//******************************************
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// End of File
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//******************************************
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