diff options
Diffstat (limited to 'libraries/Robot_Control/Melody.cpp')
| -rw-r--r-- | libraries/Robot_Control/Melody.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libraries/Robot_Control/Melody.cpp b/libraries/Robot_Control/Melody.cpp new file mode 100644 index 0000000..0341c55 --- /dev/null +++ b/libraries/Robot_Control/Melody.cpp @@ -0,0 +1,100 @@ +#include "ArduinoRobot.h" +#include "SquawkSD.h" +#include "Fat16.h" + + + +SQUAWK_CONSTRUCT_ISR(SQUAWK_PWM_PIN5); + + +void RobotControl::beginSpeaker(uint16_t frequency){ + SquawkSynth::begin(frequency); + SquawkSynth::play(); + osc[2].vol = 0x7F; +} + +void RobotControl::playNote(byte period, word length, char modifier) { + // Modifier . makes note length 2/3 + if(modifier == '.') length = (length * 2) / 3; + // Set up the play frequency, 352800 is [sample_rate]=44100 * [tuning]=8.0 + osc[2].freq = 352800 / period; + // Delay, silence, delay + delay(length); + osc[2].freq = 0; + delay(length); +} + +void RobotControl::playMelody(char* script){ + // Find length of play string + word length = strlen(script); + // Set the default note time + word time = 500; + // Loop through each character in the play string + for(int n = 0; n < length; n++) { + // Fetch the character AFTER the current one - it may contain a modifier + char modifier = script[n + 1]; + // Fetch the current character and branch accordingly + switch(script[n]) { + // Notes + case 'c': playNote(214, time, modifier); break; // Play a C + case 'C': playNote(202, time, modifier); break; // Play a C# + case 'd': playNote(190, time, modifier); break; // Play a D + case 'D': playNote(180, time, modifier); break; // Play a D# + case 'e': playNote(170, time, modifier); break; // Play an F + case 'f': playNote(160, time, modifier); break; // Play an F + case 'F': playNote(151, time, modifier); break; // Play an F# + case 'g': playNote(143, time, modifier); break; // Play a G + case 'G': playNote(135, time, modifier); break; // Play a G# + case 'a': playNote(127, time, modifier); break; // Play an A + case 'A': playNote(120, time, modifier); break; // Play an A# + case 'b': playNote(113, time, modifier); break; // Play a B + // Delay + case '-': playNote(0, time, modifier); break; // Play a quiet note + // Note lengths + case '1': time = 1000; break; // Full note + case '2': time = 500; break; // Half note + case '4': time = 250; break; // Quarter note + case '8': time = 50; break; // Eigth note + // Modifier '.' makes note length 2/3 + + } + } +} + +void RobotControl::beep(int beep_length){ + char scr1[]="8F"; + char scr2[]="8Fe"; + char scr3[]="1F"; + + switch (beep_length) + { + case BEEP_SIMPLE: + default: + playMelody(scr1); + break; + + case BEEP_DOUBLE: + playMelody(scr2); + break; + + case BEEP_LONG: + playMelody(scr3); + } + +} + +void RobotControl::tempoWrite(int tempo){ + SquawkSynthSD::tempo(tempo); +} +void RobotControl::tuneWrite(float tune){ + SquawkSynthSD::tune(tune); +} + +void RobotControl::playFile(char* filename){ + melody.open(filename,O_READ); + SquawkSynthSD::play(melody); +} + +void RobotControl::stopPlayFile(){ + melody.close(); +}
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