Add a short explanation to Zadig the troubleshooting section (#7110)

[jackhill/qmk/firmware.git] / quantum / pincontrol.h

diff --git a/quantum/pincontrol.h b/quantum/pincontrol.h
dissimilarity index 61%
index 36ce29e..204fddf 100644 (file)
--- a/quantum/pincontrol.h
+++ b/quantum/pincontrol.h
@@ -1,37 +1,50 @@
-#pragma once
-// Some helpers for controlling gpio pins
-#include <avr/io.h>
-
-enum {
-  PinDirectionInput = 0,
-  PinDirectionOutput = 1,
-  PinLevelHigh = 1,
-  PinLevelLow = 0,
-};
-
-// ex: pinMode(B0, PinDirectionOutput);
-static inline void pinMode(uint8_t pin, int mode) {
-  uint8_t bv = _BV(pin & 0xf);
-  if (mode == PinDirectionOutput) {
-    _SFR_IO8((pin >> 4) + 1) |= bv;
-  } else {
-    _SFR_IO8((pin >> 4) + 1) &= ~bv;
-    _SFR_IO8((pin >> 4) + 2) &= ~bv;
-  }
-}
-
-// ex: digitalWrite(B0, PinLevelHigh);
-static inline void digitalWrite(uint8_t pin, int mode) {
-  uint8_t bv = _BV(pin & 0xf);
-  if (mode == PinLevelHigh) {
-    _SFR_IO8((pin >> 4) + 2) |= bv;
-  } else {
-    _SFR_IO8((pin >> 4) + 2) &= ~bv;
-  }
-}
-
-// Return true if the pin is HIGH
-// digitalRead(B0)
-static inline bool digitalRead(uint8_t pin) {
-  return _SFR_IO8(pin >> 4) & _BV(pin & 0xf);
-}
+/* Copyright 2016 Wez Furlong
+ *
+ * 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/>.
+ */
+#pragma once
+// Some helpers for controlling gpio pins
+#include <avr/io.h>
+
+enum {
+    PinDirectionInput  = 0,
+    PinDirectionOutput = 1,
+    PinLevelHigh       = 1,
+    PinLevelLow        = 0,
+};
+
+// ex: pinMode(B0, PinDirectionOutput);
+static inline void pinMode(uint8_t pin, int mode) {
+    uint8_t bv = _BV(pin & 0xf);
+    if (mode == PinDirectionOutput) {
+        _SFR_IO8((pin >> 4) + 1) |= bv;
+    } else {
+        _SFR_IO8((pin >> 4) + 1) &= ~bv;
+        _SFR_IO8((pin >> 4) + 2) &= ~bv;
+    }
+}
+
+// ex: digitalWrite(B0, PinLevelHigh);
+static inline void digitalWrite(uint8_t pin, int mode) {
+    uint8_t bv = _BV(pin & 0xf);
+    if (mode == PinLevelHigh) {
+        _SFR_IO8((pin >> 4) + 2) |= bv;
+    } else {
+        _SFR_IO8((pin >> 4) + 2) &= ~bv;
+    }
+}
+
+// Return true if the pin is HIGH
+// digitalRead(B0)
+static inline bool digitalRead(uint8_t pin) { return _SFR_IO8(pin >> 4) & _BV(pin & 0xf); }