99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/**
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* Analog Input Calibration Script
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*
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* Provide each CV input with a constant voltage of -5v, 0v, and 5v. For
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* each config point, provide the appropriate voltage value and then adjust
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* the encoder until you have the correct calibration value set.
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*
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* With the arrow on the left side of the bar, provide a -5v signal and adjust
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* the encoder until you read -512.
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*
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* With the arrow in the center of the bar, provide a 0v signal and adjust the
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* encoder until you read 0.
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*
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* With the arrow on the right side of the bar, provide a 5v signal and adjust
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* the encoder until you read 512.
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*
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* TODO: store the calibration value in EEPROM.
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*/
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#include "gravity.h"
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byte selected_param = 0;
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// Initialize the gravity library and attach your handlers in the setup method.
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void setup() {
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// Initialize Gravity.
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gravity.Init();
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gravity.encoder.AttachRotateHandler(CalibrateCV);
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gravity.encoder.AttachPressHandler(NextCalibrationPoint);
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}
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// The loop method must always call `gravity.Process()` to read any peripherial state changes.
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void loop() {
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gravity.Process();
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UpdateDisplay();
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}
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void NextCalibrationPoint() {
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selected_param = (selected_param + 1) % 6;
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}
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void CalibrateCV(Direction dir, int val) {
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AnalogInput* cv = (selected_param > 2) ? &gravity.cv2 : &gravity.cv1;
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switch (selected_param % 3) {
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case 0:
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cv->AdjustCalibrationLow(val);
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break;
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case 1:
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cv->AdjustCalibrationOffset(val);
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break;
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case 2:
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cv->AdjustCalibrationHigh(val);
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break;
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}
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}
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void UpdateDisplay() {
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gravity.display.clearDisplay();
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int cv1 = gravity.cv1.Read();
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int cv2 = gravity.cv2.Read();
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// CV1 Value
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gravity.display.setCursor(10, 2);
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gravity.display.print(F("CV1: "));
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gravity.display.print(cv1);
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gravity.display.drawRect(10, 12, 100, 10, 1);
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if (cv1 > 0) {
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// 0 to 512
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int x = (float(cv1) / 512.0) * 50;
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gravity.display.fillRect(60, 12, x, 10, 1);
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} else {
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// -512 to 0
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int x = (float(abs(cv1)) / 512.0) * 50;
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gravity.display.fillRect(60 - x, 12, x, 10, 1);
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}
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// CV2 Value
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gravity.display.setCursor(10, 32);
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gravity.display.print(F("CV2: "));
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gravity.display.print(cv2);
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gravity.display.drawRect(10, 42, 100, 10, 1);
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if (cv2 >= 0) {
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int x = (float(cv2) / 512.0) * 50;
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gravity.display.fillRect(60, 42, x, 10, 1);
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} else {
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int x = (float(abs(cv2)) / 512.0) * 50;
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gravity.display.fillRect(60 - x, 42, x, 10, 1);
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}
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// Selected calibration point.
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int left = 10 + (48 * (selected_param % 3));
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int top = 22 + (selected_param > 2 ? 32 : 0);
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gravity.display.drawChar(left, top, 0x1E, 1, 0, 1);
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gravity.display.display();
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} |