Refactored blf-a6 a bunch to export code to includes and make attiny portability a bit better.

Moved MCU hardware options and pin layout to tk-attiny.h.
Moved voltage and OTC hardcoded values to tk-calibration.h.
Moved delay functions to tk-delay.h, and made it use BOGOMIPS instead of DELAY_TWEAK.
Moved voltage ADC and most of the battcheck code to tk-voltage.h.
Changed EEPLEN to EEPSIZE.
Made 1.1V reference symbol consistent across MCUs to avoid repeated #if/#else clauses.

1 files changed, 56 insertions, 0 deletions

diff --git a/tk-calibration.h b/tk-calibration.h
new file mode 100644
index 0000000..37edf76
--- /dev/null
+++ b/tk-calibration.h
@@ -0,0 +1,56 @@
+#ifndef TK_CALIBRATION_H
+#define TK_CALIBRATION_H
+/*
+ * Attiny calibration header.
+ * This allows using a single set of hardcoded values across multiple projects.
+ *
+ * Copyright (C) 2015 Selene ToyKeeper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/********************** Voltage ADC calibration **************************/
+// These values were measured using RMM's FET+7135.
+// See battcheck/readings.txt for reference values.
+#define ADC_42          195 // the ADC value we expect for 4.20 volts
+#define ADC_100         195 // the ADC value for 100% full (4.2V resting)
+#define ADC_75          186 // the ADC value for 75% full (4.0V resting)
+#define ADC_50          176 // the ADC value for 50% full (3.8V resting)
+#define ADC_25          162 // the ADC value for 25% full (3.5V resting)
+#define ADC_0           138 // the ADC value for 0% full (3.0V resting)
+#define ADC_LOW         129 // When do we start ramping down (2.8V)
+#define ADC_CRIT        124 // When do we shut the light off (2.7V)
+
+
+/********************** Offtime capacitor calibration ********************/
+// Values are between 1 and 255, and can be measured with offtime-cap.c
+// See battcheck/otc-readings.txt for reference values.
+// These #defines are the edge boundaries, not the center of the target.
+#ifdef OFFTIM3
+// The OTC value 0.5s after being disconnected from power
+// (anything higher than this is a "short press")
+#define CAP_SHORT           190
+// The OTC value 1.5s after being disconnected from power
+// Between CAP_MED and CAP_SHORT is a "medium press"
+#define CAP_MED             94
+// Below CAP_MED is a long press
+#else
+// The OTC value 1.0s after being disconnected from power
+// Anything higher than this is a short press, lower is a long press
+#define CAP_SHORT           115
+#endif
+
+
+#endif  // TK_CALIBRATION_H