wirtz
/
uClock
mirror of https://github.com/midilab/uClock
1
0
Fork 0
Code Issues Releases Wiki Activity

seedstudio xiao m0 support

Browse Source
pull/9/head
midilab 3 years ago
parent f4009df95f
commit 7faa14d8d4
8 changed files with 87 additions and 62 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 6
      examples/AcidStepSequencer/AcidStepSequencer.ino
  2. 10
      examples/LeonardoUsbSlaveMidiClockMonitor/LeonardoUsbSlaveMidiClockMonitor.ino
  3. 2
      examples/MidiClock/MidiClock.ino
  4. 10
      examples/TeensyUsbMasterMidiClock/TeensyUsbMasterMidiClock.ino
  5. 8
      examples/TeensyUsbSlaveMidiClock/TeensyUsbSlaveMidiClock.ino
  6. 8
      examples/TeensyUsbSlaveMidiClockMonitor/TeensyUsbSlaveMidiClockMonitor.ino
  7. 83
      src/uClock.cpp
  8. 22
      src/uClock.h

6
examples/AcidStepSequencer/AcidStepSequencer.ino
Unescape View File

@ -64,13 +64,13 @@ void sendMidiMessage(uint8_t command, uint8_t byte1, uint8_t byte2)
} }
// The callback function wich will be called by uClock each Pulse of 16PPQN clock resolution. Each call represents exactly one step. // The callback function wich will be called by uClock each Pulse of 16PPQN clock resolution. Each call represents exactly one step.
void ClockOut16PPQN(uint32_t * tick) void ClockOut16PPQN(uint32_t tick)
{ {
uint16_t step; uint16_t step;
uint16_t length = NOTE_LENGTH; uint16_t length = NOTE_LENGTH;
// get actual step. // get actual step.
_step = *tick % _step_length; _step = tick % _step_length;
// send note on only if this step are not in rest mode // send note on only if this step are not in rest mode
if ( _sequencer[_step].rest == false ) { if ( _sequencer[_step].rest == false ) {
@ -102,7 +102,7 @@ void ClockOut16PPQN(uint32_t * tick)
} }
// The callback function wich will be called by uClock each Pulse of 96PPQN clock resolution. // The callback function wich will be called by uClock each Pulse of 96PPQN clock resolution.
void ClockOut96PPQN(uint32_t * tick) void ClockOut96PPQN(uint32_t tick)
{ {
// Send MIDI_CLOCK to external hardware // Send MIDI_CLOCK to external hardware
Serial.write(MIDI_CLOCK); Serial.write(MIDI_CLOCK);

10
examples/LeonardoUsbSlaveMidiClockMonitor/LeonardoUsbSlaveMidiClockMonitor.ino
Unescape View File

@ -34,22 +34,22 @@ uint8_t bpm_blink_timer = 1;
uint8_t clock_state = 1; uint8_t clock_state = 1;
uint8_t clock_mode = 0; uint8_t clock_mode = 0;
void handle_bpm_led(uint32_t * tick) void handle_bpm_led(uint32_t tick)
{ {
// BPM led indicator // BPM led indicator
if ( !(*tick % (96)) || (*tick == 1) ) { // first compass step will flash longer if ( !(tick % (96)) || (tick == 1) ) { // first compass step will flash longer
bpm_blink_timer = 8; bpm_blink_timer = 8;
TXLED1; TXLED1;
} else if ( !(*tick % (24)) ) { // each quarter led on } else if ( !(tick % (24)) ) { // each quarter led on
TXLED1; TXLED1;
} else if ( !(*tick % bpm_blink_timer) ) { // get led off } else if ( !(tick % bpm_blink_timer) ) { // get led off
TXLED0; TXLED0;
bpm_blink_timer = 1; bpm_blink_timer = 1;
} }
} }
// Internal clock handlers // Internal clock handlers
void ClockOut96PPQN(uint32_t * tick) { void ClockOut96PPQN(uint32_t tick) {
// Send MIDI_CLOCK to external gears // Send MIDI_CLOCK to external gears
MIDI.sendRealTime(MIDI_CLOCK); MIDI.sendRealTime(MIDI_CLOCK);
handle_bpm_led(tick); handle_bpm_led(tick);

2
examples/MidiClock/MidiClock.ino
Unescape View File

@ -7,7 +7,7 @@
#define MIDI_STOP 0xFC #define MIDI_STOP 0xFC
// The callback function wich will be called by Clock each Pulse of 96PPQN clock resolution. // The callback function wich will be called by Clock each Pulse of 96PPQN clock resolution.
void ClockOut96PPQN(uint32_t * tick) void ClockOut96PPQN(uint32_t tick)
{ {
// Send MIDI_CLOCK to external gears // Send MIDI_CLOCK to external gears
Serial.write(MIDI_CLOCK); Serial.write(MIDI_CLOCK);

10
examples/TeensyUsbMasterMidiClock/TeensyUsbMasterMidiClock.ino
Unescape View File

@ -21,22 +21,22 @@
#include <uClock.h> #include <uClock.h>
uint8_t bpm_blink_timer = 1; uint8_t bpm_blink_timer = 1;
void handle_bpm_led(uint32_t * tick) void handle_bpm_led(uint32_t tick)
{ {
// BPM led indicator // BPM led indicator
if ( !(*tick % (96)) || (*tick == 1) ) { // first compass step will flash longer if ( !(tick % (96)) || (tick == 1) ) { // first compass step will flash longer
bpm_blink_timer = 8; bpm_blink_timer = 8;
digitalWrite(LED_BUILTIN, HIGH); digitalWrite(LED_BUILTIN, HIGH);
} else if ( !(*tick % (24)) ) { // each quarter led on } else if ( !(tick % (24)) ) { // each quarter led on
digitalWrite(LED_BUILTIN, HIGH); digitalWrite(LED_BUILTIN, HIGH);
} else if ( !(*tick % bpm_blink_timer) ) { // get led off } else if ( !(tick % bpm_blink_timer) ) { // get led off
digitalWrite(LED_BUILTIN, LOW); digitalWrite(LED_BUILTIN, LOW);
bpm_blink_timer = 1; bpm_blink_timer = 1;
} }
} }
// Internal clock handlers // Internal clock handlers
void ClockOut96PPQN(uint32_t * tick) { void ClockOut96PPQN(uint32_t tick) {
// Send MIDI_CLOCK to external gears // Send MIDI_CLOCK to external gears
usbMIDI.sendRealTime(usbMIDI.Clock); usbMIDI.sendRealTime(usbMIDI.Clock);
handle_bpm_led(tick); handle_bpm_led(tick);

8
examples/TeensyUsbSlaveMidiClock/TeensyUsbSlaveMidiClock.ino
Unescape View File

@ -24,19 +24,19 @@ uint8_t bpm_blink_timer = 1;
void handle_bpm_led(uint32_t * tick) void handle_bpm_led(uint32_t * tick)
{ {
// BPM led indicator // BPM led indicator
if ( !(*tick % (96)) || (*tick == 1) ) { // first compass step will flash longer if ( !(tick % (96)) || (tick == 1) ) { // first compass step will flash longer
bpm_blink_timer = 8; bpm_blink_timer = 8;
digitalWrite(LED_BUILTIN, HIGH); digitalWrite(LED_BUILTIN, HIGH);
} else if ( !(*tick % (24)) ) { // each quarter led on } else if ( !(tick % (24)) ) { // each quarter led on
digitalWrite(LED_BUILTIN, HIGH); digitalWrite(LED_BUILTIN, HIGH);
} else if ( !(*tick % bpm_blink_timer) ) { // get led off } else if ( !(tick % bpm_blink_timer) ) { // get led off
digitalWrite(LED_BUILTIN, LOW); digitalWrite(LED_BUILTIN, LOW);
bpm_blink_timer = 1; bpm_blink_timer = 1;
} }
} }
// Internal clock handlers // Internal clock handlers
void ClockOut96PPQN(uint32_t * tick) { void ClockOut96PPQN(uint32_t tick) {
// Send MIDI_CLOCK to external gears on other port? // Send MIDI_CLOCK to external gears on other port?
//usbMIDI.sendRealTime(usbMIDI.Clock); //usbMIDI.sendRealTime(usbMIDI.Clock);
handle_bpm_led(tick); handle_bpm_led(tick);

8
examples/TeensyUsbSlaveMidiClockMonitor/TeensyUsbSlaveMidiClockMonitor.ino
Unescape View File

@ -37,19 +37,19 @@ uint8_t clock_state = 1;
void handle_bpm_led(uint32_t * tick) void handle_bpm_led(uint32_t * tick)
{ {
// BPM led indicator // BPM led indicator
if ( !(*tick % (96)) || (*tick == 1) ) { // first compass step will flash longer if ( !(tick % (96)) || (tick == 1) ) { // first compass step will flash longer
bpm_blink_timer = 8; bpm_blink_timer = 8;
digitalWrite(LED_BUILTIN, HIGH); digitalWrite(LED_BUILTIN, HIGH);
} else if ( !(*tick % (24)) ) { // each quarter led on } else if ( !(tick % (24)) ) { // each quarter led on
digitalWrite(LED_BUILTIN, HIGH); digitalWrite(LED_BUILTIN, HIGH);
} else if ( !(*tick % bpm_blink_timer) ) { // get led off } else if ( !(tick % bpm_blink_timer) ) { // get led off
digitalWrite(LED_BUILTIN, LOW); digitalWrite(LED_BUILTIN, LOW);
bpm_blink_timer = 1; bpm_blink_timer = 1;
} }
} }
// Internal clock handlers // Internal clock handlers
void ClockOut96PPQN(uint32_t * tick) { void ClockOut96PPQN(uint32_t tick) {
// Send MIDI_CLOCK to external gears // Send MIDI_CLOCK to external gears
usbMIDI.sendRealTime(MIDI_CLOCK); usbMIDI.sendRealTime(MIDI_CLOCK);
handle_bpm_led(tick); handle_bpm_led(tick);

83
src/uClock.cpp
Unescape View File

@ -30,25 +30,18 @@
// //
// Timer setup for work clock // Timer setup for work clock
// //
#if defined(TEENSYDUINO) && !defined(__AVR_ATmega32U4__) // all non-avr timmers setup
// Teensyduino port
#if defined(TEENSYDUINO)
IntervalTimer _uclockTimer; IntervalTimer _uclockTimer;
void uclockISR(); #endif
void uclockInitTimer() // Seedstudio XIAO M0 port
{ #if defined(SEEED_XIAO_M0)
ATOMIC( #include <TimerTCC0.h>
TimerTCC0 _uclockTimer;
#endif
// begin at 120bpm (20833us) #if defined(ARDUINO_ARCH_AVR)
_uclockTimer.begin(uclockISR, 20833);
// Set the interrupt priority level, controlling which other interrupts
// this timer is allowed to interrupt. Lower numbers are higher priority,
// with 0 the highest and 255 the lowest. Most other interrupts default to 128.
// As a general guideline, interrupt routines that run longer should be given
// lower priority (higher numerical values).
_uclockTimer.priority(0);
)
}
#else
void uclockInitTimer() void uclockInitTimer()
{ {
ATOMIC( ATOMIC(
@ -67,6 +60,32 @@ void uclockInitTimer()
TIMSK1 |= (1 << OCIE1A); TIMSK1 |= (1 << OCIE1A);
) )
} }
#else
void uclockISR();
void uclockInitTimer()
{
// begin at 120bpm (20833us)
const uint16_t init_clock = 20833;
ATOMIC(
#if defined(TEENSYDUINO)
_uclockTimer.begin(uclockISR, init_clock);
// Set the interrupt priority level, controlling which other interrupts
// this timer is allowed to interrupt. Lower numbers are higher priority,
// with 0 the highest and 255 the lowest. Most other interrupts default to 128.
// As a general guideline, interrupt routines that run longer should be given
// lower priority (higher numerical values).
_uclockTimer.priority(0);
#endif
#if defined(SEEED_XIAO_M0)
_uclockTimer.initialize(init_clock);
// attach to generic uclock ISR
_uclockTimer.attachInterrupt(uclockISR);
#endif
)
}
#endif #endif
namespace umodular { namespace clock { namespace umodular { namespace clock {
@ -153,11 +172,7 @@ void uClockClass::setTimerTempo(float bpm)
tick_us_interval = (60000000 / 24 / bpm); tick_us_interval = (60000000 / 24 / bpm);
tick_hertz_interval = 1/((float)tick_us_interval/1000000); tick_hertz_interval = 1/((float)tick_us_interval/1000000);
#if defined(TEENSYDUINO) && !defined(__AVR_ATmega32U4__) #if defined(ARDUINO_ARCH_AVR)
ATOMIC(
_uclockTimer.update(tick_us_interval);
)
#else
uint32_t ocr; uint32_t ocr;
uint8_t tccr = 0; uint8_t tccr = 0;
@ -188,6 +203,16 @@ void uClockClass::setTimerTempo(float bpm)
TCCR1B |= (1 << WGM12); TCCR1B |= (1 << WGM12);
TCCR1B |= tccr; TCCR1B |= tccr;
) )
#else
ATOMIC(
#if defined(TEENSYDUINO)
_uclockTimer.update(tick_us_interval);
#endif
#if defined(SEEED_XIAO_M0)
_uclockTimer.setPeriod(tick_us_interval);
#endif
)
#endif #endif
} }
@ -355,15 +380,15 @@ void uClockClass::handleTimerInt()
} }
if (onClock96PPQNCallback) { if (onClock96PPQNCallback) {
onClock96PPQNCallback(&internal_tick); onClock96PPQNCallback(internal_tick);
} }
if (mod6_counter == 0) { if (mod6_counter == 0) {
if (onClock32PPQNCallback) { if (onClock32PPQNCallback) {
onClock32PPQNCallback(&div32th_counter); onClock32PPQNCallback(div32th_counter);
} }
if (onClock16PPQNCallback) { if (onClock16PPQNCallback) {
onClock16PPQNCallback(&div16th_counter); onClock16PPQNCallback(div16th_counter);
} }
div16th_counter++; div16th_counter++;
div32th_counter++; div32th_counter++;
@ -371,7 +396,7 @@ void uClockClass::handleTimerInt()
if (mod6_counter == 3) { if (mod6_counter == 3) {
if (onClock32PPQNCallback) { if (onClock32PPQNCallback) {
onClock32PPQNCallback(&div32th_counter); onClock32PPQNCallback(div32th_counter);
} }
div32th_counter++; div32th_counter++;
} }
@ -439,10 +464,10 @@ volatile uint32_t _timer = 0;
// TIMER INTERRUPT HANDLER // TIMER INTERRUPT HANDLER
// //
// //
#if defined(TEENSYDUINO) && !defined(__AVR_ATmega32U4__) #if defined(ARDUINO_ARCH_AVR)
void uclockISR()
#else
ISR(TIMER1_COMPA_vect) ISR(TIMER1_COMPA_vect)
#else
void uclockISR()
#endif #endif
{ {
// global timer counter // global timer counter

22
src/uClock.h
Unescape View File

@ -62,17 +62,17 @@ class uClockClass {
void setTimerTempo(float bpm); void setTimerTempo(float bpm);
float inline freqToBpm(uint32_t freq); float inline freqToBpm(uint32_t freq);
void (*onClock96PPQNCallback)(uint32_t * tick); void (*onClock96PPQNCallback)(uint32_t tick);
void (*onClock32PPQNCallback)(uint32_t * tick); void (*onClock32PPQNCallback)(uint32_t tick);
void (*onClock16PPQNCallback)(uint32_t * tick); void (*onClock16PPQNCallback)(uint32_t tick);
void (*onClockStartCallback)(); void (*onClockStartCallback)();
void (*onClockStopCallback)(); void (*onClockStopCallback)();
// internal clock control // internal clock control
volatile uint32_t internal_tick; uint32_t internal_tick;
volatile uint32_t div32th_counter; uint32_t div32th_counter;
volatile uint32_t div16th_counter; uint32_t div16th_counter;
volatile uint8_t mod6_counter; uint8_t mod6_counter;
// external clock control // external clock control
volatile uint32_t external_clock; volatile uint32_t external_clock;
@ -81,7 +81,7 @@ class uClockClass {
volatile uint32_t indiv16th_counter; volatile uint32_t indiv16th_counter;
volatile uint8_t inmod6_counter; volatile uint8_t inmod6_counter;
volatile uint32_t interval; volatile uint32_t interval;
volatile uint32_t last_interval; uint32_t last_interval;
uint32_t sync_interval; uint32_t sync_interval;
uint32_t tick_us_interval; uint32_t tick_us_interval;
@ -111,15 +111,15 @@ class uClockClass {
uClockClass(); uClockClass();
void setClock96PPQNOutput(void (*callback)(uint32_t * tick)) { void setClock96PPQNOutput(void (*callback)(uint32_t tick)) {
onClock96PPQNCallback = callback; onClock96PPQNCallback = callback;
} }
void setClock32PPQNOutput(void (*callback)(uint32_t * tick)) { void setClock32PPQNOutput(void (*callback)(uint32_t tick)) {
onClock32PPQNCallback = callback; onClock32PPQNCallback = callback;
} }
void setClock16PPQNOutput(void (*callback)(uint32_t * tick)) { void setClock16PPQNOutput(void (*callback)(uint32_t tick)) {
onClock16PPQNCallback = callback; onClock16PPQNCallback = callback;
} }

Write Preview
Loading…
Cancel
Save