Mohamed Moawya / SnakeGame

test test test

Dependencies:   mbed

snake-test/mbed/drivers/AnalogOut.h@0:e4c5e6ec922e, 2020-05-25 (annotated)

Committer:
mohamedmoawya
Date:
Mon May 25 19:06:11 2020 +0000
Revision:
0:e4c5e6ec922e
snake game tteest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mohamedmoawya 0:e4c5e6ec922e 1 /* mbed Microcontroller Library
mohamedmoawya 0:e4c5e6ec922e 2 * Copyright (c) 2006-2013 ARM Limited
mohamedmoawya 0:e4c5e6ec922e 3 *
mohamedmoawya 0:e4c5e6ec922e 4 * Licensed under the Apache License, Version 2.0 (the "License");
mohamedmoawya 0:e4c5e6ec922e 5 * you may not use this file except in compliance with the License.
mohamedmoawya 0:e4c5e6ec922e 6 * You may obtain a copy of the License at
mohamedmoawya 0:e4c5e6ec922e 7 *
mohamedmoawya 0:e4c5e6ec922e 8 * http://www.apache.org/licenses/LICENSE-2.0
mohamedmoawya 0:e4c5e6ec922e 9 *
mohamedmoawya 0:e4c5e6ec922e 10 * Unless required by applicable law or agreed to in writing, software
mohamedmoawya 0:e4c5e6ec922e 11 * distributed under the License is distributed on an "AS IS" BASIS,
mohamedmoawya 0:e4c5e6ec922e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mohamedmoawya 0:e4c5e6ec922e 13 * See the License for the specific language governing permissions and
mohamedmoawya 0:e4c5e6ec922e 14 * limitations under the License.
mohamedmoawya 0:e4c5e6ec922e 15 */
mohamedmoawya 0:e4c5e6ec922e 16 #ifndef MBED_ANALOGOUT_H
mohamedmoawya 0:e4c5e6ec922e 17 #define MBED_ANALOGOUT_H
mohamedmoawya 0:e4c5e6ec922e 18
mohamedmoawya 0:e4c5e6ec922e 19 #include "platform/platform.h"
mohamedmoawya 0:e4c5e6ec922e 20
mohamedmoawya 0:e4c5e6ec922e 21 #if defined (DEVICE_ANALOGOUT) || defined(DOXYGEN_ONLY)
mohamedmoawya 0:e4c5e6ec922e 22
mohamedmoawya 0:e4c5e6ec922e 23 #include "hal/analogout_api.h"
mohamedmoawya 0:e4c5e6ec922e 24 #include "platform/PlatformMutex.h"
mohamedmoawya 0:e4c5e6ec922e 25
mohamedmoawya 0:e4c5e6ec922e 26 namespace mbed {
mohamedmoawya 0:e4c5e6ec922e 27 /** \addtogroup drivers */
mohamedmoawya 0:e4c5e6ec922e 28
mohamedmoawya 0:e4c5e6ec922e 29 /** An analog output, used for setting the voltage on a pin
mohamedmoawya 0:e4c5e6ec922e 30 *
mohamedmoawya 0:e4c5e6ec922e 31 * @note Synchronization level: Thread safe
mohamedmoawya 0:e4c5e6ec922e 32 *
mohamedmoawya 0:e4c5e6ec922e 33 * Example:
mohamedmoawya 0:e4c5e6ec922e 34 * @code
mohamedmoawya 0:e4c5e6ec922e 35 * // Make a sawtooth output
mohamedmoawya 0:e4c5e6ec922e 36 *
mohamedmoawya 0:e4c5e6ec922e 37 * #include "mbed.h"
mohamedmoawya 0:e4c5e6ec922e 38 *
mohamedmoawya 0:e4c5e6ec922e 39 * AnalogOut tri(p18);
mohamedmoawya 0:e4c5e6ec922e 40 * int main() {
mohamedmoawya 0:e4c5e6ec922e 41 * while(1) {
mohamedmoawya 0:e4c5e6ec922e 42 * tri = tri + 0.01;
mohamedmoawya 0:e4c5e6ec922e 43 * wait_us(1);
mohamedmoawya 0:e4c5e6ec922e 44 * if(tri == 1) {
mohamedmoawya 0:e4c5e6ec922e 45 * tri = 0;
mohamedmoawya 0:e4c5e6ec922e 46 * }
mohamedmoawya 0:e4c5e6ec922e 47 * }
mohamedmoawya 0:e4c5e6ec922e 48 * }
mohamedmoawya 0:e4c5e6ec922e 49 * @endcode
mohamedmoawya 0:e4c5e6ec922e 50 * @ingroup drivers
mohamedmoawya 0:e4c5e6ec922e 51 */
mohamedmoawya 0:e4c5e6ec922e 52 class AnalogOut {
mohamedmoawya 0:e4c5e6ec922e 53
mohamedmoawya 0:e4c5e6ec922e 54 public:
mohamedmoawya 0:e4c5e6ec922e 55
mohamedmoawya 0:e4c5e6ec922e 56 /** Create an AnalogOut connected to the specified pin
mohamedmoawya 0:e4c5e6ec922e 57 *
mohamedmoawya 0:e4c5e6ec922e 58 * @param pin AnalogOut pin to connect to
mohamedmoawya 0:e4c5e6ec922e 59 */
mohamedmoawya 0:e4c5e6ec922e 60 AnalogOut(PinName pin)
mohamedmoawya 0:e4c5e6ec922e 61 {
mohamedmoawya 0:e4c5e6ec922e 62 analogout_init(&_dac, pin);
mohamedmoawya 0:e4c5e6ec922e 63 }
mohamedmoawya 0:e4c5e6ec922e 64
mohamedmoawya 0:e4c5e6ec922e 65 /** Set the output voltage, specified as a percentage (float)
mohamedmoawya 0:e4c5e6ec922e 66 *
mohamedmoawya 0:e4c5e6ec922e 67 * @param value A floating-point value representing the output voltage,
mohamedmoawya 0:e4c5e6ec922e 68 * specified as a percentage. The value should lie between
mohamedmoawya 0:e4c5e6ec922e 69 * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
mohamedmoawya 0:e4c5e6ec922e 70 * Values outside this range will be saturated to 0.0f or 1.0f.
mohamedmoawya 0:e4c5e6ec922e 71 */
mohamedmoawya 0:e4c5e6ec922e 72 void write(float value)
mohamedmoawya 0:e4c5e6ec922e 73 {
mohamedmoawya 0:e4c5e6ec922e 74 lock();
mohamedmoawya 0:e4c5e6ec922e 75 analogout_write(&_dac, value);
mohamedmoawya 0:e4c5e6ec922e 76 unlock();
mohamedmoawya 0:e4c5e6ec922e 77 }
mohamedmoawya 0:e4c5e6ec922e 78
mohamedmoawya 0:e4c5e6ec922e 79 /** Set the output voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
mohamedmoawya 0:e4c5e6ec922e 80 *
mohamedmoawya 0:e4c5e6ec922e 81 * @param value 16-bit unsigned short representing the output voltage,
mohamedmoawya 0:e4c5e6ec922e 82 * normalized to a 16-bit value (0x0000 = 0v, 0xFFFF = 3.3v)
mohamedmoawya 0:e4c5e6ec922e 83 */
mohamedmoawya 0:e4c5e6ec922e 84 void write_u16(unsigned short value)
mohamedmoawya 0:e4c5e6ec922e 85 {
mohamedmoawya 0:e4c5e6ec922e 86 lock();
mohamedmoawya 0:e4c5e6ec922e 87 analogout_write_u16(&_dac, value);
mohamedmoawya 0:e4c5e6ec922e 88 unlock();
mohamedmoawya 0:e4c5e6ec922e 89 }
mohamedmoawya 0:e4c5e6ec922e 90
mohamedmoawya 0:e4c5e6ec922e 91 /** Return the current output voltage setting, measured as a percentage (float)
mohamedmoawya 0:e4c5e6ec922e 92 *
mohamedmoawya 0:e4c5e6ec922e 93 * @returns
mohamedmoawya 0:e4c5e6ec922e 94 * A floating-point value representing the current voltage being output on the pin,
mohamedmoawya 0:e4c5e6ec922e 95 * measured as a percentage. The returned value will lie between
mohamedmoawya 0:e4c5e6ec922e 96 * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
mohamedmoawya 0:e4c5e6ec922e 97 *
mohamedmoawya 0:e4c5e6ec922e 98 * @note
mohamedmoawya 0:e4c5e6ec922e 99 * This value may not match exactly the value set by a previous write().
mohamedmoawya 0:e4c5e6ec922e 100 */
mohamedmoawya 0:e4c5e6ec922e 101 float read()
mohamedmoawya 0:e4c5e6ec922e 102 {
mohamedmoawya 0:e4c5e6ec922e 103 lock();
mohamedmoawya 0:e4c5e6ec922e 104 float ret = analogout_read(&_dac);
mohamedmoawya 0:e4c5e6ec922e 105 unlock();
mohamedmoawya 0:e4c5e6ec922e 106 return ret;
mohamedmoawya 0:e4c5e6ec922e 107 }
mohamedmoawya 0:e4c5e6ec922e 108
mohamedmoawya 0:e4c5e6ec922e 109 /** An operator shorthand for write()
mohamedmoawya 0:e4c5e6ec922e 110 * \sa AnalogOut::write()
mohamedmoawya 0:e4c5e6ec922e 111 */
mohamedmoawya 0:e4c5e6ec922e 112 AnalogOut &operator= (float percent)
mohamedmoawya 0:e4c5e6ec922e 113 {
mohamedmoawya 0:e4c5e6ec922e 114 // Underlying write call is thread safe
mohamedmoawya 0:e4c5e6ec922e 115 write(percent);
mohamedmoawya 0:e4c5e6ec922e 116 return *this;
mohamedmoawya 0:e4c5e6ec922e 117 }
mohamedmoawya 0:e4c5e6ec922e 118
mohamedmoawya 0:e4c5e6ec922e 119 /** An operator shorthand for write()
mohamedmoawya 0:e4c5e6ec922e 120 * \sa AnalogOut::write()
mohamedmoawya 0:e4c5e6ec922e 121 */
mohamedmoawya 0:e4c5e6ec922e 122 AnalogOut &operator= (AnalogOut &rhs)
mohamedmoawya 0:e4c5e6ec922e 123 {
mohamedmoawya 0:e4c5e6ec922e 124 // Underlying write call is thread safe
mohamedmoawya 0:e4c5e6ec922e 125 write(rhs.read());
mohamedmoawya 0:e4c5e6ec922e 126 return *this;
mohamedmoawya 0:e4c5e6ec922e 127 }
mohamedmoawya 0:e4c5e6ec922e 128
mohamedmoawya 0:e4c5e6ec922e 129 /** An operator shorthand for read()
mohamedmoawya 0:e4c5e6ec922e 130 * \sa AnalogOut::read()
mohamedmoawya 0:e4c5e6ec922e 131 */
mohamedmoawya 0:e4c5e6ec922e 132 operator float()
mohamedmoawya 0:e4c5e6ec922e 133 {
mohamedmoawya 0:e4c5e6ec922e 134 // Underlying read call is thread safe
mohamedmoawya 0:e4c5e6ec922e 135 return read();
mohamedmoawya 0:e4c5e6ec922e 136 }
mohamedmoawya 0:e4c5e6ec922e 137
mohamedmoawya 0:e4c5e6ec922e 138 virtual ~AnalogOut()
mohamedmoawya 0:e4c5e6ec922e 139 {
mohamedmoawya 0:e4c5e6ec922e 140 // Do nothing
mohamedmoawya 0:e4c5e6ec922e 141 }
mohamedmoawya 0:e4c5e6ec922e 142
mohamedmoawya 0:e4c5e6ec922e 143 protected:
mohamedmoawya 0:e4c5e6ec922e 144 #if !defined(DOXYGEN_ONLY)
mohamedmoawya 0:e4c5e6ec922e 145 virtual void lock()
mohamedmoawya 0:e4c5e6ec922e 146 {
mohamedmoawya 0:e4c5e6ec922e 147 _mutex.lock();
mohamedmoawya 0:e4c5e6ec922e 148 }
mohamedmoawya 0:e4c5e6ec922e 149
mohamedmoawya 0:e4c5e6ec922e 150 virtual void unlock()
mohamedmoawya 0:e4c5e6ec922e 151 {
mohamedmoawya 0:e4c5e6ec922e 152 _mutex.unlock();
mohamedmoawya 0:e4c5e6ec922e 153 }
mohamedmoawya 0:e4c5e6ec922e 154
mohamedmoawya 0:e4c5e6ec922e 155 dac_t _dac;
mohamedmoawya 0:e4c5e6ec922e 156 PlatformMutex _mutex;
mohamedmoawya 0:e4c5e6ec922e 157 #endif //!defined(DOXYGEN_ONLY)
mohamedmoawya 0:e4c5e6ec922e 158 };
mohamedmoawya 0:e4c5e6ec922e 159
mohamedmoawya 0:e4c5e6ec922e 160 } // namespace mbed
mohamedmoawya 0:e4c5e6ec922e 161
mohamedmoawya 0:e4c5e6ec922e 162 #endif
mohamedmoawya 0:e4c5e6ec922e 163
mohamedmoawya 0:e4c5e6ec922e 164 #endif