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| author | Vasil Zlatanov <v@skozl.com> | 2017-05-03 16:30:16 +0100 |
|---|---|---|
| committer | Vasil Zlatanov <v@skozl.com> | 2017-05-03 16:30:16 +0100 |
| commit | a6ed1742539c62186fb903017b52dd48f145ae4f (patch) | |
| tree | e9f49f0437e1f260b276b45fddcb66ea524f49e3 /ext/PortOut.h | |
| download | e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.tar.gz e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.tar.bz2 e2-switch-a6ed1742539c62186fb903017b52dd48f145ae4f.zip | |
Add template and build environment.
Diffstat (limited to 'ext/PortOut.h')
| -rw-r--r-- | ext/PortOut.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/ext/PortOut.h b/ext/PortOut.h new file mode 100644 index 0000000..2e3b1b1 --- /dev/null +++ b/ext/PortOut.h @@ -0,0 +1,104 @@ +/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_PORTOUT_H
+#define MBED_PORTOUT_H
+
+#include "platform.h"
+
+#if DEVICE_PORTOUT
+
+#include "port_api.h"
+
+namespace mbed {
+/** A multiple pin digital out
+ *
+ * Example:
+ * @code
+ * // Toggle all four LEDs
+ *
+ * #include "mbed.h"
+ *
+ * // LED1 = P1.18 LED2 = P1.20 LED3 = P1.21 LED4 = P1.23
+ * #define LED_MASK 0x00B40000
+ *
+ * PortOut ledport(Port1, LED_MASK);
+ *
+ * int main() {
+ * while(1) {
+ * ledport = LED_MASK;
+ * wait(1);
+ * ledport = 0;
+ * wait(1);
+ * }
+ * }
+ * @endcode
+ */
+class PortOut {
+public:
+
+ /** Create an PortOut, connected to the specified port
+ *
+ * @param port Port to connect to (Port0-Port5)
+ * @param mask A bitmask to identify which bits in the port should be included (0 - ignore)
+ */
+ PortOut(PortName port, int mask = 0xFFFFFFFF) {
+ port_init(&_port, port, mask, PIN_OUTPUT);
+ }
+
+ /** Write the value to the output port
+ *
+ * @param value An integer specifying a bit to write for every corresponding PortOut pin
+ */
+ void write(int value) {
+ port_write(&_port, value);
+ }
+
+ /** Read the value currently output on the port
+ *
+ * @returns
+ * An integer with each bit corresponding to associated PortOut pin setting
+ */
+ int read() {
+ return port_read(&_port);
+ }
+
+ /** A shorthand for write()
+ */
+ PortOut& operator= (int value) {
+ write(value);
+ return *this;
+ }
+
+ PortOut& operator= (PortOut& rhs) {
+ write(rhs.read());
+ return *this;
+ }
+
+ /** A shorthand for read()
+ */
+ operator int() {
+ return read();
+ }
+
+private:
+ port_t _port;
+};
+
+} // namespace mbed
+
+#endif
+
+#endif
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