From 7bf117d4c7cd10c45106a4831c3c5ac68befd1f8 Mon Sep 17 00:00:00 2001
From: Timur-Khabibulin <101925716+Timur-Khabibulin@users.noreply.github.com>
Date: Fri, 25 Mar 2022 11:52:07 +0500
Subject: [PATCH] Add ISR.ino
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Реализованы прерывания по таймеру
---
 IntervalometerForCamera/ISR.ino | 54 +++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 IntervalometerForCamera/ISR.ino

diff --git a/IntervalometerForCamera/ISR.ino b/IntervalometerForCamera/ISR.ino
new file mode 100644
index 0000000..202bf87
--- /dev/null
+++ b/IntervalometerForCamera/ISR.ino
@@ -0,0 +1,54 @@
+/*  Intervalometer / Timer for interval shooting.
+    Copyright © 2022 Timur Khabibulin.
+    All rights reserved.
+
+    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 <https://www.gnu.org/licenses/>.
+*/
+
+ISR(TIMER1_COMPA_vect) {
+  hwTimer1.count++; // Период 1 с
+
+  static uint32_t intervalTime;
+  static bool sleepState = false;
+
+  if (camSettings.longExpNR) intervalTime = camSettings.interval + camSettings.shutter_speed / 1000;
+  else intervalTime = camSettings.interval;
+
+  if (camSettings.hibernationSt) hibernation(intervalTime, sleepState);
+
+  if (hwTimer1.count >= intervalTime) {
+    if (camSettings.frame_rate > 0) {
+      if (camSettings.AFControl) digitalWrite(FOCUS_PIN, HIGH);
+      digitalWrite(SHUTTER_PIN, HIGH);
+    }
+    hw_Timer_1_Stop();
+    hw_Timer_2_Start();
+  }
+
+}
+
+ISR(TIMER2_COMPA_vect) {
+  hwTimer2.count += 2; // Период 2 мс
+
+  if (hwTimer2.count >= camSettings.shutter_speed) {
+    if (camSettings.frame_rate > 0) {
+      if (camSettings.AFControl) digitalWrite(FOCUS_PIN, LOW);
+      digitalWrite(SHUTTER_PIN, LOW);
+      camSettings.frame_rate--;
+    }
+    hw_Timer_2_Stop();
+    hw_Timer_1_Start();
+  }
+
+}