Tryout the TOF sensor Only
Dependencies: VL53L0X_Condensed
main.cpp
- Committer:
- sepp_nepp
- Date:
- 2019-03-24
- Revision:
- 15:e0fbd2ddd2a9
- Parent:
- 11:3695280eeffd
- Child:
- 16:6a5a62b00ed1
File content as of revision 15:e0fbd2ddd2a9:
/** ****************************************************************************** * @file main.cpp * @author Tarek Lule, based on code by CLab * @version V1.0.0 * @date 13-March-2019 * @brief Simple Example application for using TOF Sensors ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************** */ /* Includes */ #include "mbed.h" #include "VL53L0X.h" int Ionisch [] = {0, 2, 4, 5, 7, 9, 11}; int Dorisch [] = {0, 2, 3, 5, 7, 9, 10}; int Phrygisch[] = {0, 1, 3, 5, 7, 8, 10}; int Lydisch [] = {0, 2, 4, 6, 7, 9, 11}; int Mixolydi [] = {0, 2, 4, 5, 7, 9, 10}; int Eolisch [] = {0, 2, 3, 5, 7, 8, 10}; int Lokrisch [] = {0, 1, 3, 5, 6, 8, 10}; int PhrygDomi[] = {0, 1, 4, 5, 7, 8, 10}; int MiShebera[] = {0, 2, 3, 6, 7, 9, 10}; int TsigaDur [] = {0, 2, 3, 6, 7, 8, 11}; // https://de.wikipedia.org/wiki/Zigeunertonleiter int TsigaMoll[] = {0, 2, 3, 5, 7, 8, 11}; // https://de.wikipedia.org/wiki/Zigeunertonleiter // Maquam: arabische leiter mit 3/4 Tonschritten, kann nur über CV Ausang funzen // siehe: https://de.wikipedia.org/wiki/Maqam_(Musik) /* Interface definition */ static DevI2C devI2c(PB_11,PB_10); Serial midi_uart(PA_0, PA_1); // PA_0 = Tx, PA_1 = Rx /* Range sensor - B-L475E-IOT01A2 only */ static DigitalOut shutdown_pin(PC_6); static VL53L0X tof1(&devI2c, &shutdown_pin, PC_7); /* Simple main function */ int main() { uint32_t distance; int status; char NoteNr, Octave, ScaleNote; char OldKey, NewKey; VL53L0X_RangingMeasurementData_t p_ranging_measurement_data; /* Init all sensors with default params */ tof1.init_sensor(VL53L0X_DEFAULT_ADDRESS); status = tof1.start_measurement(range_continuous_polling, NULL); if (status) { printf("\n\r--- Error Initializing the TOF sensor ---\n\r"); //while(1) { }; // consider to hang up the device here } printf("\n\r--- Read Init of TOF ---\n\r"); ; OldKey = 0x00; // Remembers the old key, start with value thats normallz unused midi_uart.baud( 31250 ); midi_uart.format( 8, SerialBase::None, 2); wait(0.1); // make sure all is settled midi_uart.putc(0xB0); // Midi Channel 0, Channel Mode Message midi_uart.putc(123); // Byte 2: All Notes Off midi_uart.putc(0x00); // Byte 3: obligatory zero while(1) { status = tof1.get_measurement(range_continuous_polling, &p_ranging_measurement_data); if ( (status == VL53L0X_ERROR_NONE) && (p_ranging_measurement_data.RangeStatus == 0) ) { // we have a valid range. distance = p_ranging_measurement_data.RangeMilliMeter; // printf("%6ld\r", distance); // Distance is ~1700 when looking at the ceiling, so approximately 1 per mm. A really usable distance range is only up to 1270. distance = (int) (distance / 10) + 20; // scaling factor 10 between distance and key note if (distance >= 0x7F) NoteNr = 0x00; // cap the New Key Value on the top, beyond 127 we discard the note as 'no Note' else NoteNr = distance; // pass through everything below; remember: distance is uint, so no negatives can occur Octave = (int) (NoteNr / 7); ScaleNote = NoteNr - (Octave * 7); NewKey = Octave * 12 + MiShebera[ScaleNote]; } else { // printf(" --\r"); NewKey = 0x00; } if ( OldKey!=NewKey ) { if (OldKey != 0x00) { // turn off the old note first, if there was one midi_uart.putc(0x80); // Midi Channel 0, Note OFF, midi_uart.putc(OldKey); // Byte 2: Old Key Number [0 - 127] midi_uart.putc(0x3F); // Byte 3: Velocity [0 - 127]; here fixed=63 } if (NewKey != 0x00) { // turn on the new note now, if there is a valid one printf("%6ld\r\n", NewKey); midi_uart.putc(0x90); // Midi Channel 0, Note ON, midi_uart.putc(NewKey);// Byte 2: New Key Number [0 - 127] midi_uart.putc(0x3F); // Byte 3: Velocity [0 - 127]; here fixed=63 wait(0.1); // leave a little pause before a new note gets played ... } OldKey = NewKey; // wait(0.1); } // if ( OldKey!=NewKey ) } // while(1) } // int main()