Haptic feedback generalized - DRV2605 and solenoids (#4939)

[qmk_firmware.git] / drivers / haptic / solenoid.c

diff --git a/drivers/haptic/solenoid.c b/drivers/haptic/solenoid.c
new file mode 100644 (file)
index 0000000..2d39dbc
--- /dev/null
+++ b/drivers/haptic/solenoid.c
@@ -0,0 +1,109 @@
+/* Copyright 2018 mtdjr - modified by ishtob
+ * Driver for solenoid written for QMK
+ *
+ * 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 2 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/>.
+ */
+
+#include <timer.h>
+#include "solenoid.h"
+#include "haptic.h"
+
+bool solenoid_on = false;
+bool solenoid_buzzing = false;
+uint16_t solenoid_start = 0;
+uint8_t solenoid_dwell = SOLENOID_DEFAULT_DWELL;
+
+extern haptic_config_t haptic_config;
+
+
+void solenoid_buzz_on(void) {
+  haptic_set_buzz(1);
+}
+
+void solenoid_buzz_off(void) {
+  haptic_set_buzz(0);
+}
+
+void solenoid_set_buzz(int buzz) {
+  haptic_set_buzz(buzz);
+}
+
+
+void solenoid_dwell_minus(uint8_t solenoid_dwell) {
+  if (solenoid_dwell > 0) solenoid_dwell--;
+}
+
+void solenoid_dwell_plus(uint8_t solenoid_dwell) {
+  if (solenoid_dwell < SOLENOID_MAX_DWELL) solenoid_dwell++;
+}
+
+void solenoid_set_dwell(uint8_t dwell) {
+  solenoid_dwell = dwell;
+}
+
+void solenoid_stop(void) {
+  writePinLow(SOLENOID_PIN);
+  solenoid_on = false;
+  solenoid_buzzing = false;
+}
+
+void solenoid_fire(void) {
+  if (!haptic_config.buzz && solenoid_on) return;
+  if (haptic_config.buzz && solenoid_buzzing) return;
+
+  solenoid_on = true;
+  solenoid_buzzing = true;
+  solenoid_start = timer_read();
+  writePinHigh(SOLENOID_PIN);
+}
+
+void solenoid_check(void) {
+  uint16_t elapsed = 0;
+
+  if (!solenoid_on) return;
+
+  elapsed = timer_elapsed(solenoid_start);
+
+  //Check if it's time to finish this solenoid click cycle
+  if (elapsed > solenoid_dwell) {
+    solenoid_stop();
+    return;
+  }
+
+  //Check whether to buzz the solenoid on and off
+  if (haptic_config.buzz) {
+    if (elapsed / SOLENOID_MIN_DWELL % 2 == 0){
+      if (!solenoid_buzzing) {
+        solenoid_buzzing = true;
+        writePinHigh(SOLENOID_PIN);
+      }
+    }
+    else {
+      if (solenoid_buzzing) {
+        solenoid_buzzing = false;
+        writePinLow(SOLENOID_PIN);
+      }
+    }
+  }
+}
+
+void solenoid_setup(void) {
+  setPinOutput(SOLENOID_PIN);
+  solenoid_fire();
+}
+
+void solenoid_shutdown(void) {
+  writePinLow(SOLENOID_PIN);
+
+}