Mateusz Grzywacz / FastIO

Replacement for regular GPIO (DigitalIn, DigitalOut, DigitalInOut) classes which has superior speed.

Fork of FastIO by Erik -

FastIO.h@23:23a43a288e2c, 2018-04-17 (annotated)

Committer:
amateusz
Date:
Tue Apr 17 13:28:24 2018 +0000
Revision:
23:23a43a288e2c
Parent:
21:a1dfa6c65400 
Added support for STM32L1xx (checked on Nucleo L152). I'm done this solely cross referenced existing STM32 target files with L152 reference manual.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Sissors 0:d394ebd01052 1 #ifndef __FAST_IO_H
Sissors 0:d394ebd01052 2 #define __FAST_IO_H
Sissors 0:d394ebd01052 3
Sissors 0:d394ebd01052 4 #include "FastIO_LPC1768.h"
Sissors 0:d394ebd01052 5 #include "FastIO_LPC11UXX.h"
nameless129 18:c95920122b2e 6 #include "FastIO_LPC11U6X.h"
Sissors 1:85a4a54f15e3 7 #include "FastIO_LPC81X.h"
Sissors 0:d394ebd01052 8 #include "FastIO_KLXX.h"
Sissors 10:bb22a3dbedb4 9 #include "FastIO_K20D50M_KPSDK.h"
Sissors 13:0e21ffc6cb84 10 #include "FastIO_STM32F4.h"
viquiram 21:a1dfa6c65400 11 #include "FastIO_STM32L073XX.h"
amateusz 23:23a43a288e2c 12 #include "FastIO_STM32L1.h"
Sissors 6:da3730030c07 13 #include "FastIO_NUCLEO_F030.h"
Sissors 7:1e784ae11fba 14 #include "FastIO_LPC11XX.h"
Sissors 15:e0c5a5216647 15 #include "FastIO_EFM32.h"
nameless129 19:89d6ae484a35 16 #include "FastIO_LPC43XX.h"
Sissors 20:ed72895a2402 17 #include "FastIO_NRF51822.h"
Sissors 0:d394ebd01052 18
Sissors 0:d394ebd01052 19 #ifndef INIT_PIN
Sissors 2:1a6ed4b84590 20 #warning Target is not supported by FastIO
Sissors 2:1a6ed4b84590 21 #warning Reverting to regular DigitalInOut
Sissors 2:1a6ed4b84590 22 #include "FastIO_Unsupported.h"
Sissors 0:d394ebd01052 23 #endif
Sissors 0:d394ebd01052 24
Sissors 0:d394ebd01052 25 #include "mbed.h"
Sissors 0:d394ebd01052 26
Sissors 0:d394ebd01052 27 /**
Sissors 0:d394ebd01052 28 * Faster alternative compared to regular DigitalInOut
Sissors 0:d394ebd01052 29 *
Sissors 0:d394ebd01052 30 * Except the constructor it is compatible with regular DigitalInOut.
Sissors 0:d394ebd01052 31 * Code is based on Igor Skochinsky's code (http://mbed.org/users/igorsk/code/FastIO/)
Sissors 0:d394ebd01052 32 */
Sissors 0:d394ebd01052 33 template <PinName pin> class FastInOut
Sissors 0:d394ebd01052 34 {
Sissors 0:d394ebd01052 35 public:
Sissors 0:d394ebd01052 36 /**
Sissors 0:d394ebd01052 37 * Construct new FastInOut object
Sissors 0:d394ebd01052 38 *
Sissors 0:d394ebd01052 39 * @code
Sissors 0:d394ebd01052 40 * FastInOut<LED1> led1;
Sissors 0:d394ebd01052 41 * @endcode
Sissors 0:d394ebd01052 42 *
Sissors 0:d394ebd01052 43 * No initialization is done regarding input/output mode,
Sissors 0:d394ebd01052 44 * FastIn/FastOut can be used if that is required
Sissors 0:d394ebd01052 45 *
Sissors 0:d394ebd01052 46 * @param pin pin the FastOut object should be used for
Sissors 0:d394ebd01052 47 */
Sissors 0:d394ebd01052 48 FastInOut() {
Sissors 0:d394ebd01052 49 INIT_PIN;
Sissors 0:d394ebd01052 50 }
Sissors 2:1a6ed4b84590 51
Sissors 2:1a6ed4b84590 52 ~FastInOut() {
Sissors 2:1a6ed4b84590 53 DESTROY_PIN;
Sissors 2:1a6ed4b84590 54 }
Sissors 0:d394ebd01052 55
Sissors 0:d394ebd01052 56 void write(int value) {
Sissors 0:d394ebd01052 57 if ( value )
Sissors 0:d394ebd01052 58 WRITE_PIN_SET;
Sissors 0:d394ebd01052 59 else
Sissors 0:d394ebd01052 60 WRITE_PIN_CLR;
Sissors 0:d394ebd01052 61 }
Sissors 0:d394ebd01052 62 int read() {
Sissors 0:d394ebd01052 63 return READ_PIN;
Sissors 0:d394ebd01052 64 }
Sissors 0:d394ebd01052 65
Sissors 0:d394ebd01052 66 void mode(PinMode pull) {
Sissors 0:d394ebd01052 67 SET_MODE(pull);
Sissors 0:d394ebd01052 68 }
Sissors 0:d394ebd01052 69
Sissors 0:d394ebd01052 70 void output() {
Sissors 0:d394ebd01052 71 SET_DIR_OUTPUT;
Sissors 0:d394ebd01052 72 }
Sissors 0:d394ebd01052 73
Sissors 0:d394ebd01052 74 void input() {
Sissors 0:d394ebd01052 75 SET_DIR_INPUT;
Sissors 0:d394ebd01052 76 }
Sissors 0:d394ebd01052 77
Sissors 0:d394ebd01052 78 FastInOut& operator= (int value) {
Sissors 0:d394ebd01052 79 write(value);
Sissors 0:d394ebd01052 80 return *this;
Sissors 0:d394ebd01052 81 };
Sissors 0:d394ebd01052 82 FastInOut& operator= (FastInOut& rhs) {
Sissors 0:d394ebd01052 83 return write(rhs.read());
Sissors 0:d394ebd01052 84 };
Sissors 0:d394ebd01052 85 operator int() {
Sissors 0:d394ebd01052 86 return read();
Sissors 0:d394ebd01052 87 };
Sissors 0:d394ebd01052 88
Sissors 15:e0c5a5216647 89 protected:
Sissors 0:d394ebd01052 90 fastio_vars container;
Sissors 0:d394ebd01052 91 };
Sissors 0:d394ebd01052 92
Sissors 0:d394ebd01052 93 /**
Sissors 0:d394ebd01052 94 * Faster alternative compared to regular DigitalOut
Sissors 0:d394ebd01052 95 *
Sissors 0:d394ebd01052 96 * Except the constructor it is compatible with regular DigitalOut. Aditionally all
Sissors 0:d394ebd01052 97 * functions from DigitalInOut are also available (only initialization is different)
Sissors 0:d394ebd01052 98 * Code is based on Igor Skochinsky's code (http://mbed.org/users/igorsk/code/FastIO/)
Sissors 0:d394ebd01052 99 */
Sissors 0:d394ebd01052 100 template <PinName pin, int initial = 0> class FastOut : public FastInOut<pin>
Sissors 0:d394ebd01052 101 {
Sissors 0:d394ebd01052 102 public:
Sissors 0:d394ebd01052 103 /**
Sissors 0:d394ebd01052 104 * Construct new FastOut object
Sissors 0:d394ebd01052 105 *
Sissors 0:d394ebd01052 106 * @code
Sissors 0:d394ebd01052 107 * FastOut<LED1> led1;
Sissors 0:d394ebd01052 108 * @endcode
Sissors 0:d394ebd01052 109 *
Sissors 0:d394ebd01052 110 * @param pin pin the FastOut object should be used for
Sissors 0:d394ebd01052 111 * @param initial (optional) initial state of the pin after construction: default is 0 (low)
Sissors 0:d394ebd01052 112 */
Sissors 12:973e253323c9 113 FastOut() : FastInOut<pin>::FastInOut() {
Sissors 0:d394ebd01052 114 write(initial);
Sissors 0:d394ebd01052 115 SET_DIR_OUTPUT;
Sissors 0:d394ebd01052 116 }
Sissors 0:d394ebd01052 117
Sissors 0:d394ebd01052 118 FastOut& operator= (int value) {
Sissors 0:d394ebd01052 119 this->write(value);
Sissors 0:d394ebd01052 120 return *this;
Sissors 0:d394ebd01052 121 };
Sissors 0:d394ebd01052 122 FastOut& operator= (FastOut& rhs) {
Sissors 0:d394ebd01052 123 return this->write(rhs.read());
Sissors 0:d394ebd01052 124 };
Sissors 0:d394ebd01052 125 operator int() {
Sissors 0:d394ebd01052 126 return this->read();
Sissors 0:d394ebd01052 127 };
Sissors 0:d394ebd01052 128 };
Sissors 0:d394ebd01052 129
Sissors 0:d394ebd01052 130 /**
Sissors 0:d394ebd01052 131 * Faster alternative compared to regular DigitalIn
Sissors 0:d394ebd01052 132 *
Sissors 0:d394ebd01052 133 * Except the constructor it is compatible with regular DigitalIn. Aditionally all
Sissors 0:d394ebd01052 134 * functions from DigitalInOut are also available (only initialization is different)
Sissors 0:d394ebd01052 135 * Code is based on Igor Skochinsky's code (http://mbed.org/users/igorsk/code/FastIO/)
Sissors 0:d394ebd01052 136 */
Sissors 8:b0d725519c4f 137 template <PinName pin, PinMode pinmode = PullDefault> class FastIn : public FastInOut<pin>
Sissors 0:d394ebd01052 138 {
Sissors 0:d394ebd01052 139 public:
Sissors 0:d394ebd01052 140 /**
Sissors 0:d394ebd01052 141 * Construct new FastIn object
Sissors 0:d394ebd01052 142 *
Sissors 0:d394ebd01052 143 * @code
Sissors 0:d394ebd01052 144 * FastIn<LED1> led1;
Sissors 0:d394ebd01052 145 * @endcode
Sissors 0:d394ebd01052 146 *
Sissors 0:d394ebd01052 147 * @param pin pin the FastIn object should be used for
Sissors 8:b0d725519c4f 148 * @param pinmode (optional) initial mode of the pin after construction: default is PullDefault
Sissors 0:d394ebd01052 149 */
Sissors 12:973e253323c9 150 FastIn() : FastInOut<pin>::FastInOut() {
Sissors 8:b0d725519c4f 151 SET_MODE(pinmode);
Sissors 0:d394ebd01052 152 SET_DIR_INPUT;
Sissors 0:d394ebd01052 153 }
Sissors 0:d394ebd01052 154
Sissors 0:d394ebd01052 155 FastIn& operator= (int value) {
Sissors 0:d394ebd01052 156 this->write(value);
Sissors 0:d394ebd01052 157 return *this;
Sissors 0:d394ebd01052 158 };
Sissors 0:d394ebd01052 159 FastIn& operator= (FastIn& rhs) {
Sissors 0:d394ebd01052 160 return this->write(rhs.read());
Sissors 0:d394ebd01052 161 };
Sissors 0:d394ebd01052 162 operator int() {
Sissors 0:d394ebd01052 163 return this->read();
Sissors 0:d394ebd01052 164 };
Sissors 0:d394ebd01052 165 };
Sissors 0:d394ebd01052 166
Sissors 0:d394ebd01052 167 #endif