不韋 呂 / F746_MySoundMachine

Integrated program of 4 different kinds of application programs for processing sound signal. 4種類のサウンド信号処理を統合したプログラム．

Dependencies:   F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton UIT_FFT_Real

mbed_src_STM32F7/api/AnalogOut.h@16:d60e5187fd31, 2017-04-27 (annotated)

Committer:
MikamiUitOpen
Date:
Thu Apr 27 23:55:53 2017 +0000
Revision:
16:d60e5187fd31
Parent:
2:fcba17e3d573 
17

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:224dccbc4edd 1 /* mbed Microcontroller Library
MikamiUitOpen 0:224dccbc4edd 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:224dccbc4edd 3 *
MikamiUitOpen 0:224dccbc4edd 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:224dccbc4edd 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:224dccbc4edd 6 * You may obtain a copy of the License at
MikamiUitOpen 0:224dccbc4edd 7 *
MikamiUitOpen 0:224dccbc4edd 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:224dccbc4edd 9 *
MikamiUitOpen 0:224dccbc4edd 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:224dccbc4edd 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:224dccbc4edd 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:224dccbc4edd 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:224dccbc4edd 14 * limitations under the License.
MikamiUitOpen 0:224dccbc4edd 15 */
MikamiUitOpen 0:224dccbc4edd 16 #ifndef MBED_ANALOGOUT_H
MikamiUitOpen 0:224dccbc4edd 17 #define MBED_ANALOGOUT_H
MikamiUitOpen 0:224dccbc4edd 18
MikamiUitOpen 0:224dccbc4edd 19 #include "platform.h"
MikamiUitOpen 0:224dccbc4edd 20
MikamiUitOpen 0:224dccbc4edd 21 #if DEVICE_ANALOGOUT
MikamiUitOpen 0:224dccbc4edd 22
MikamiUitOpen 0:224dccbc4edd 23 #include "analogout_api.h"
MikamiUitOpen 0:224dccbc4edd 24
MikamiUitOpen 0:224dccbc4edd 25 namespace mbed {
MikamiUitOpen 0:224dccbc4edd 26
MikamiUitOpen 0:224dccbc4edd 27 /** An analog output, used for setting the voltage on a pin
MikamiUitOpen 0:224dccbc4edd 28 *
MikamiUitOpen 0:224dccbc4edd 29 * Example:
MikamiUitOpen 0:224dccbc4edd 30 * @code
MikamiUitOpen 0:224dccbc4edd 31 * // Make a sawtooth output
MikamiUitOpen 0:224dccbc4edd 32 *
MikamiUitOpen 0:224dccbc4edd 33 * #include "mbed.h"
MikamiUitOpen 0:224dccbc4edd 34 *
MikamiUitOpen 0:224dccbc4edd 35 * AnalogOut tri(p18);
MikamiUitOpen 0:224dccbc4edd 36 * int main() {
MikamiUitOpen 0:224dccbc4edd 37 * while(1) {
MikamiUitOpen 0:224dccbc4edd 38 * tri = tri + 0.01;
MikamiUitOpen 0:224dccbc4edd 39 * wait_us(1);
MikamiUitOpen 0:224dccbc4edd 40 * if(tri == 1) {
MikamiUitOpen 0:224dccbc4edd 41 * tri = 0;
MikamiUitOpen 0:224dccbc4edd 42 * }
MikamiUitOpen 0:224dccbc4edd 43 * }
MikamiUitOpen 0:224dccbc4edd 44 * }
MikamiUitOpen 0:224dccbc4edd 45 * @endcode
MikamiUitOpen 0:224dccbc4edd 46 */
MikamiUitOpen 0:224dccbc4edd 47 class AnalogOut {
MikamiUitOpen 0:224dccbc4edd 48
MikamiUitOpen 0:224dccbc4edd 49 public:
MikamiUitOpen 0:224dccbc4edd 50
MikamiUitOpen 0:224dccbc4edd 51 /** Create an AnalogOut connected to the specified pin
MikamiUitOpen 0:224dccbc4edd 52 *
MikamiUitOpen 0:224dccbc4edd 53 * @param AnalogOut pin to connect to (18)
MikamiUitOpen 0:224dccbc4edd 54 */
MikamiUitOpen 0:224dccbc4edd 55 AnalogOut(PinName pin) {
MikamiUitOpen 0:224dccbc4edd 56 analogout_init(&_dac, pin);
MikamiUitOpen 0:224dccbc4edd 57 }
MikamiUitOpen 0:224dccbc4edd 58
MikamiUitOpen 0:224dccbc4edd 59 /** Set the output voltage, specified as a percentage (float)
MikamiUitOpen 0:224dccbc4edd 60 *
MikamiUitOpen 0:224dccbc4edd 61 * @param value A floating-point value representing the output voltage,
MikamiUitOpen 0:224dccbc4edd 62 * specified as a percentage. The value should lie between
MikamiUitOpen 0:224dccbc4edd 63 * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
MikamiUitOpen 0:224dccbc4edd 64 * Values outside this range will be saturated to 0.0f or 1.0f.
MikamiUitOpen 0:224dccbc4edd 65 */
MikamiUitOpen 0:224dccbc4edd 66 void write(float value) {
MikamiUitOpen 0:224dccbc4edd 67 analogout_write(&_dac, value);
MikamiUitOpen 0:224dccbc4edd 68 }
MikamiUitOpen 0:224dccbc4edd 69
MikamiUitOpen 0:224dccbc4edd 70 /** Set the output voltage, represented as an unsigned short in the range [0x0, 0xFFFF]
MikamiUitOpen 0:224dccbc4edd 71 *
MikamiUitOpen 0:224dccbc4edd 72 * @param value 16-bit unsigned short representing the output voltage,
MikamiUitOpen 0:224dccbc4edd 73 * normalised to a 16-bit value (0x0000 = 0v, 0xFFFF = 3.3v)
MikamiUitOpen 0:224dccbc4edd 74 */
MikamiUitOpen 0:224dccbc4edd 75 void write_u16(unsigned short value) {
MikamiUitOpen 0:224dccbc4edd 76 analogout_write_u16(&_dac, value);
MikamiUitOpen 0:224dccbc4edd 77 }
MikamiUitOpen 0:224dccbc4edd 78
MikamiUitOpen 0:224dccbc4edd 79 /** Return the current output voltage setting, measured as a percentage (float)
MikamiUitOpen 0:224dccbc4edd 80 *
MikamiUitOpen 0:224dccbc4edd 81 * @returns
MikamiUitOpen 0:224dccbc4edd 82 * A floating-point value representing the current voltage being output on the pin,
MikamiUitOpen 0:224dccbc4edd 83 * measured as a percentage. The returned value will lie between
MikamiUitOpen 0:224dccbc4edd 84 * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%).
MikamiUitOpen 0:224dccbc4edd 85 *
MikamiUitOpen 0:224dccbc4edd 86 * @note
MikamiUitOpen 0:224dccbc4edd 87 * This value may not match exactly the value set by a previous write().
MikamiUitOpen 0:224dccbc4edd 88 */
MikamiUitOpen 0:224dccbc4edd 89 float read() {
MikamiUitOpen 0:224dccbc4edd 90 return analogout_read(&_dac);
MikamiUitOpen 0:224dccbc4edd 91 }
MikamiUitOpen 0:224dccbc4edd 92
MikamiUitOpen 0:224dccbc4edd 93 #ifdef MBED_OPERATORS
MikamiUitOpen 0:224dccbc4edd 94 /** An operator shorthand for write()
MikamiUitOpen 0:224dccbc4edd 95 */
MikamiUitOpen 0:224dccbc4edd 96 AnalogOut& operator= (float percent) {
MikamiUitOpen 0:224dccbc4edd 97 write(percent);
MikamiUitOpen 0:224dccbc4edd 98 return *this;
MikamiUitOpen 0:224dccbc4edd 99 }
MikamiUitOpen 0:224dccbc4edd 100
MikamiUitOpen 0:224dccbc4edd 101 AnalogOut& operator= (AnalogOut& rhs) {
MikamiUitOpen 0:224dccbc4edd 102 write(rhs.read());
MikamiUitOpen 0:224dccbc4edd 103 return *this;
MikamiUitOpen 0:224dccbc4edd 104 }
MikamiUitOpen 0:224dccbc4edd 105
MikamiUitOpen 0:224dccbc4edd 106 /** An operator shorthand for read()
MikamiUitOpen 0:224dccbc4edd 107 */
MikamiUitOpen 0:224dccbc4edd 108 operator float() {
MikamiUitOpen 0:224dccbc4edd 109 return read();
MikamiUitOpen 0:224dccbc4edd 110 }
MikamiUitOpen 0:224dccbc4edd 111 #endif
MikamiUitOpen 0:224dccbc4edd 112
MikamiUitOpen 0:224dccbc4edd 113 protected:
MikamiUitOpen 0:224dccbc4edd 114 dac_t _dac;
MikamiUitOpen 0:224dccbc4edd 115 };
MikamiUitOpen 0:224dccbc4edd 116
MikamiUitOpen 0:224dccbc4edd 117 } // namespace mbed
MikamiUitOpen 0:224dccbc4edd 118
MikamiUitOpen 0:224dccbc4edd 119 #endif
MikamiUitOpen 0:224dccbc4edd 120
MikamiUitOpen 0:224dccbc4edd 121 #endif