Added table writing (not yet tested) and removed 'repeat-mode'.
This commit is contained in:
kevin.larke
parent
f24aec16e6
commit
5ffd77da17
@ -12,7 +12,7 @@ class TinyOp(Enum):
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noteOffOp = 3
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setReadAddr = 4
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writeOp = 5
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setModeOp = 6
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writeTableOp = 6
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invalidOp = 7
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@ -30,7 +30,7 @@ class TinyRegAddr(Enum):
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kTmrPrescaleAddr = 10
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kPwmDutyAddr = 11
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kPwmFreqAddr = 12
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kModeAddr = 13
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kPwmDivAddr = 13
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kStateAddr = 14
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kErrorCodeAddr = 15
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@ -155,6 +155,7 @@ class Picadae:
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self.keyMapD = { d['midi']:d for d in key_mapL }
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self.i2c_base_addr = i2c_base_addr
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self.prescaler_usec = prescaler_usec
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self.log_level = 0
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self.serialProc.start()
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@ -179,7 +180,6 @@ class Picadae:
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def call_op( self, midi_pitch, op_code, argL ):
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return self.write( self._pitch_to_i2c_addr( midi_pitch ), op_code, argL )
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def set_read_addr( self, i2c_addr, mem_id, addr ):
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return self. write(i2c_addr, TinyOp.setReadAddr.value,[ mem_id, addr ])
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@ -211,7 +211,7 @@ class Picadae:
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def block_on_picadae_read( self, midi_pitch, mem_id, reg_addr, byteOutN, time_out_ms ):
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def block_on_picadae_read( self, midi_pitch, mem_id, reg_addr, byteOutN, time_out_ms=250 ):
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i2c_addr = self._pitch_to_i2c_addr( midi_pitch )
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@ -253,26 +253,21 @@ class Picadae:
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byteOutN = 2
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return self.block_on_picadae_read( midi_pitch, TinyConst.kRdTableSrcId.value, midi_vel*2, byteOutN, time_out_ms )
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def set_pwm_duty( self, midi_pitch, duty_cycle_pct ):
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def set_pwm( self, midi_pitch, duty_cycle_pct ):
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return self.call_op( midi_pitch, TinyOp.setPwmOp.value, [ int( duty_cycle_pct * 255.0 /100.0 )])
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def get_pwm_duty( self, midi_pitch, time_out_ms=250 ):
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def get_pwm( self, midi_pitch, time_out_ms=250 ):
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return self.block_on_picadae_read_reg( midi_pitch, TinyRegAddr.kPwmDutyAddr.value, time_out_ms=time_out_ms )
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def set_pwm_freq( self, midi_pitch, freq_div_id ):
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# pwm frequency divider 1=1,2=8,3=64,4=256,5=1024
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assert( 1 <= freq_div_id and freq_div_id <= 5 )
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pass
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def get_pwm_freq( self, midi_pitch, time_out_ms=250 ):
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return self.block_on_picadae_read_reg( midi_pitch, TinyRegAddr.kPwmFreqAddr.value, time_out_ms=time_out_ms )
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def set_mode( self, midi_pitch, mode ):
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# TODO validate mode value
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return self.call_op( midi_pitch, TinyOp.setModeOp.value, [ mode ] )
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def get_pwm_div( self, midi_pitch, time_out_ms=250 ):
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return self.block_on_picadae_read_reg( midi_pitch, TinyRegAddr.kPwmDivAddr.value, time_out_ms=time_out_ms )
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def get_mode( self, midi_pitch, time_out_ms=250 ):
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return self.block_on_picadae_read_reg( midi_pitch, TinyRegAddr.kModeAddr.value, time_out_ms=time_out_ms )
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def write_table( self, midi_pitch, time_out_ms=250 ):
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# TODO: sending a dummy byte because we can't handle sending a command with no data bytes.
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return self.call_op( midi_pitch, TinyOp.writeTableOp.value,[0])
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def make_note( self, midi_pitch, atk_us, dur_ms ):
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# TODO: handle error on note_on_us()
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@ -280,6 +275,10 @@ class Picadae:
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time.sleep( dur_ms / 1000.0 )
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return self.note_off(midi_pitch)
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def set_log_level( self, log_level ):
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self.log_level = log_level
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return Result()
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def _pitch_to_i2c_addr( self, pitch ):
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return self.keyMapD[ pitch ]['index'] + self.i2c_base_addr
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@ -306,10 +305,11 @@ class Picadae:
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def _print( self, opcode, i2c_addr, reg_addr, byteL ):
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s = "{} {} {}".format( opcode, i2c_addr, reg_addr )
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if self.log_level:
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s = "{} {} {}".format( opcode, i2c_addr, reg_addr )
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for x in byteL:
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s += " {}".format(x)
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for x in byteL:
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s += " {}".format(x)
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print(s)
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print(s)
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@ -7,77 +7,44 @@ class PicadaeShell:
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def __init__( self, cfg ):
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self.p = None
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self.parseD = {
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'q':{ "func":None, "varN":0, "help":"quit"},
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'?':{ "func":"help", "varN":0, "help":"Print usage text."},
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'w':{ "func":"write", "varN":-1, "help":"write <i2c_addr> <reg_addr> <data0> ... <dataN>"},
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'r':{ "func":"read", "varN":3, "help":"read <i2c_addr> <reg_addr> <byteN>"},
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'v':{ "func":"note_on_vel", "varN":2, "help":"note-on <pitch> <vel>"},
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'u':{ "func":"note_on_us", "varN":2, "help":"note-on <pitch> <usec>"},
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'o':{ "func":"note_off", "varN":1, "help":"note-off <pitch>"},
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'T':{ "func":"set_vel_map", "varN":3, "help":"table <pitch> <vel> <usec>"},
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't':{ "func":"get_vel_map", "varN":2, "help":"table <pitch> <vel>"},
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'D':{ "func":"set_pwm_duty", "varN":2, "help":"duty <pitch> <percent>"},
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'd':{ "func":"get_pwm_duty", "varN":1, "help":"duty <pitch>"},
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'F':{ "func":"set_pwm_freq", "varN":2, "help":"freq <pitch> <hz>"},
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'f':{ "func":"get_pwm_freq", "varN":1, "help":"freq <pitch>"},
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'M':{ "func":"set_mode", "varN":2, "help":"set_mode <pitch> <mode-bits> (1=repeat 2=pwm)" },
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'm':{ "func":"get_mode", "varN":1, "help":"get_mode <pitch>"},
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'N':{ "func":"make_note", "varN":3, "help":"note <pitch> atkUs durMs"},
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'q':{ "func":None, "minN":0, "maxN":0, "help":"quit"},
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'?':{ "func":"_help", "minN":0, "maxN":0, "help":"Print usage text."},
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'w':{ "func":"_write", "minN":-1, "maxN":-1,"help":"write <i2c_addr> <reg_addr> <data0> ... <dataN>"},
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'r':{ "func":"_read", "minN":4, "maxN":4, "help":"read <i2c_addr> <src> <reg_addr> <byteN>"},
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'v':{ "func":"note_on_vel", "minN":2, "maxN":2, "help":"note-on <pitch> <vel>"},
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'u':{ "func":"note_on_us", "minN":2, "maxN":3, "help":"note-on <pitch> <usec> <prescale> (1=1, 2=8, 3=64,(4)=256 16us, 5=1024)"},
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'o':{ "func":"note_off", "minN":1, "maxN":1, "help":"note-off <pitch>"},
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'T':{ "func":"set_vel_map", "minN":3, "maxN":3, "help":"table <pitch> <vel> <usec>"},
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't':{ "func":"get_vel_map", "minN":2, "maxN":2, "help":"table <pitch> <vel>"},
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'D':{ "func":"set_pwm", "minN":2, "maxN":4, "help":"duty <pitch> <percent> {<hz> {<div>}} div:2=2,3=4,4=8,5=16,6=32,7=64,8=128,9=256,(10)=512 32us, 11=1024,12=2048,13=4096,14=8192,15=16384" },
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'd':{ "func":"get_pwm_duty", "minN":1, "maxN":1, "help":"duty <pitch>"},
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'f':{ "func":"get_pwm_freq", "minN":1, "maxN":1, "help":"freq <pitch>"},
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'i':{ "func":"get_pwm_div", "minN":1, "maxN":1, "help":"div <pitch>"},
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'W':{ "func":"write_table", "minN":1, "maxN":1, "help":"write_table <pitch>"},
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'N':{ "func":"make_note", "minN":3, "maxN":3, "help":"note <pitch> atkUs durMs"},
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'L':{ "func":"set_log_level","minN":1, "maxN":1, "help":"log <level> (0-1)."}
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}
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def _do_help( self, _ ):
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def _help( self, _=None ):
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for k,d in self.parseD.items():
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s = "{} = {}".format( k, d['help'] )
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print(s)
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return Result()
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def _do_write( self, argL ):
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def _write( self, argL ):
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return self.p.write(argL[0], argL[1], argL[2:])
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def _do_read( self, argL ):
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return self.p.read(*argL)
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def _do_note_on_vel( self, argL ):
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return self.p.note_on_vel(*argL)
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def _do_note_on_us( self, argL ):
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return self.p.note_on_us(*argL)
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def _do_note_off( self, argL ):
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return self.p.note_off(*argL)
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def _do_set_vel_map( self, argL ):
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return self.p.set_velocity_map(*argL)
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def _do_get_vel_map( self, argL ):
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return self.p.get_velocity_map(*argL)
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def _do_set_pwm_duty( self, argL ):
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return self.p.set_pwm_duty(*argL)
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def _do_get_pwm_duty( self, argL ):
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return self.p.get_pwm_duty(*argL)
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def _do_set_pwm_freq( self, argL ):
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return self.p.set_pwm_freq(*argL)
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def _do_get_pwm_freq( self, argL ):
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return self.p.get_pwm_freq(*argL)
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def _do_set_mode( self, argL ):
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return self.p.set_mode(*argL)
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def _do_get_mode( self, argL ):
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return self.p.get_mode(*argL)
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def _do_make_note( self, argL ):
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return self.p.make_note(*argL)
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def _read( self, argL ):
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return self.p.block_on_picadae_read(argL[0], argL[1], argL[2], argL[3])
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def _syntaxError( self, msg ):
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print("Syntax Error: " + msg )
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return Result()
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def _exec_cmd( self, tokL ):
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result = Result()
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if len(tokL) <= 0:
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return None
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@ -88,21 +55,29 @@ class PicadaeShell:
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d = self.parseD[ opcode ]
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func_name = "_do_" + d['func']
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func_name = d['func']
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func = None
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# find the function associated with this command
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if hasattr(self, func_name ):
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func = getattr(self, func_name )
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func = getattr(self, func_name )
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elif hasattr(self.p, func_name ):
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func = getattr(self.p, func_name )
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else:
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return self._syntaxError("Exec function not found: '{}'.".format(func_name))
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try:
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argL = [ int(tokL[i]) for i in range(1,len(tokL)) ]
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except:
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return self._syntaxError("Unable to create integer arguments.")
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try:
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# convert the parameter list into integers
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argL = [ int(tokL[i]) for i in range(1,len(tokL)) ]
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except:
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return self._syntaxError("Unable to create integer arguments.")
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if d['varN'] != -1 and len(argL) != d['varN']:
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return self._syntaxError("Argument mismatch {} != {}.".format(len(argL),d['varN']))
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result = func(argL)
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# validate the count of command args
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if d['minN'] != -1 and (d['minN'] > len(argL) or len(argL) > d['maxN']):
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return self._syntaxError("Argument count mismatch. {} is out of range:{} to {}".format(len(argL),d['minN'],d['maxN']))
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# call the command function
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result = func(*argL)
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return result
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@ -35,13 +35,13 @@
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// Opcodes
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enum
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{
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kSetPwm_Op = 0, // Set PWM registers 0 {<duty> {<freq>}}
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kNoteOnVel_Op = 1, // Turn on note 1 {<vel>}
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kNoteOnUsec_Op = 2, // Turn on note 2 {<coarse> {<fine> {<prescale>}}}
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kNoteOff_Op = 3, // Turn off note 3
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kSetReadAddr_Op = 4, // Set a read addr. 4 {<src>} {<addr>} } src: 0=reg 1=table 2=eeprom
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kWrite_Op = 5, // Set write 5 {<addrfl|src> {addr} {<value0> ... {<valueN>}} addrFl:0x80 src: 4=reg 5=table 6=eeprom
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kSetMode_Op = 6, // Set the mode flags 6 {<mode>} 1=repeat 2=pwm
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kSetPwm_Op = 0, // Set PWM duty/hz/div 0 {<duty> {<freq> {<div>}}} div:2=2,3=4,4=8,5=16,6=32,7=64,8=128,9=256,10=512,11=1024,12=2048,13=4096,14=8192,15=16384
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kNoteOnVel_Op = 1, // Turn on note 3 {<vel>}
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kNoteOnUsec_Op = 2, // Turn on note 4 {<coarse> {<fine> {<prescale>}}}
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kNoteOff_Op = 3, // Turn off note 5
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kSetReadAddr_Op = 4, // Set a read addr. 6 {<src>} {<addr>} } src: 0=reg 1=table 2=eeprom
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kWrite_Op = 5, // Set write 7 {<addrfl|src> {addr} {<value0> ... {<valueN>}} addrFl:0x80 src: 4=reg 5=table 6=eeprom
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kWriteTable_Op = 6, // Write table to EEprom 9
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kInvalid_Op = 7 //
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};
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@ -60,33 +60,25 @@ enum
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kTmr_Coarse_idx = 8, //
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kTmr_Fine_idx = 9, //
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kTmr_Prescale_idx = 10, // Timer 0 clock divider: 1=1,2=8,3=64,4=256,5=1024 Default: 8 (16us)
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kTmr_Prescale_idx = 10, // Timer 0 clock divider: 1=1,2=8,3=64,4=256,5=1024 Default: 4 (16us)
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kPwm_Duty_idx = 11, //
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kPwm_Freq_idx = 12, //
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kPwm_Div_idx = 13, //
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kMode_idx = 13, // 1=repeat 2=pwm
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kState_idx = 14, // 1=attk 2=hold
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kError_Code_idx = 15, // Error Code
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kMax_Coarse_Tmr_idx = 16, // Max. allowable coarse timer value
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kMax_idx
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};
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enum
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{
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kMode_Repeat_Fl = 1,
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kMode_Pwm_Fl = 2,
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kAttk_Fl = 1,
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kHold_Fl = 2
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kState_Attk_Fl = 1,
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kState_Hold_Fl = 2
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};
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#define isInRepeatMode() ctl_regs[ kMode_idx ] & kMode_Repeat_Fl
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#define isInPwmMode() ctl_regs[ kMode_idx ] & kMode_Pwm_Fl
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// Flags:
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// 1=Repeat: 1=Timer and PWM are free running. This allows testing with LED's. 0=Timer triggers does not reset on time out.
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// 2=PWM: On timer timeout 1=PWM HOLD 0=Set HOLD
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volatile uint8_t ctl_regs[] =
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{
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0, // 0 (0-(kMax_idx-1)) Reg Read Addr
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@ -99,26 +91,39 @@ volatile uint8_t ctl_regs[] =
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0, // 6 (0-255) EE Write Addr
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kReg_Wr_Addr_idx, // 7 (0-2) Write source
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245, // 8 (0-255) Timer 0 Coarse Value
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25, // 9 (0-255) Timer 0 Fine Value
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5, // 8 (0-255) Timer 0 Coarse Value (20400 us)
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0, // 9 (0-255) Timer 0 Fine Value
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4, // 10 (1-5) 4=16us per tick
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127, // 11 (0-255) Pwm Duty cycle
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254, // 12 (0-255) Pwm Frequency (123 Hz)
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10, // 13 (0-15) Pwm clock div
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kMode_Repeat_Fl, // 13 mode flags 1=Repeat 2=PWM
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0, // 14 state flags 1=attk 2=hold
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0, // 14 state flags 1=attk 2=hold (read/only)
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0, // 15 (0-255) Error bit field
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14, // 16 (0-255) Max allowable coarse timer count
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};
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// These registers are saved to Eeprom
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uint8_t eeprom_addr[] =
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{
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kTmr_Prescale_idx,
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kPwm_Duty_idx,
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kPwm_Freq_idx,
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kPwm_Div_idx
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};
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#define tableN 256
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uint8_t table[ tableN ]; // [ coarse_0,fine_0, coarse_1, fine_1, .... coarse_127,fine_127]
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enum
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{
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kInvalid_Read_Src_ErrFl = 0x01,
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kInvalid_Write_Dst_ErrFl = 0x02
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kInvalid_Read_Src_ErrFl = 0x01,
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kInvalid_Write_Dst_ErrFl = 0x02,
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kInvalid_Coarse_Tmr_ErrFl = 0x04
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};
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#define set_error( flag ) ctl_regs[ kError_Code_idx ] |= (flag)
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@ -143,7 +148,6 @@ void EEPROM_write(uint8_t ucAddress, uint8_t ucData)
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EECR |= (1<<EEPE); // Start eeprom write by setting EEPE
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}
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uint8_t EEPROM_read(uint8_t ucAddress)
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{
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// Wait for completion of previous write
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@ -155,50 +159,33 @@ uint8_t EEPROM_read(uint8_t ucAddress)
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return EEDR; // Return data from data register
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}
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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//
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// Read/Write table
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//
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// To write table value 42 to 127 (coarse) 64 (fine)
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//
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// w 8 kTable_Addr_idx 42
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// w 8 kTable_Coarse_idx 127
|
||||
// w 8 kTable_fine_idx 64
|
||||
//
|
||||
// TO read table value 42
|
||||
// w 8 kTable_Addr_idx 42
|
||||
// r 8 kTable_Coarse_idx -> 127
|
||||
// r 8 kTable_Fine_idx -> 64
|
||||
|
||||
/*
|
||||
#define eeprom_addr( addr ) (kMax_idx + (addr))
|
||||
|
||||
void table_write_cur_value( void )
|
||||
void write_table()
|
||||
{
|
||||
uint8_t tbl_addr = ctl_regs[ kTable_Addr_idx ] * 2;
|
||||
uint8_t i;
|
||||
uint8_t regN = sizeof(eeprom_addr);
|
||||
|
||||
table[ tbl_addr+0 ] = ctl_regs[ kTable_Coarse_idx ];
|
||||
table[ tbl_addr+1 ] = ctl_regs[ kTable_Fine_idx ];
|
||||
// write the persistent registers
|
||||
for(i=0; i<regN; ++i)
|
||||
EEPROM_write( i, ctl_regs[ eeprom_addr[i] ] );
|
||||
|
||||
EEPROM_write( eeprom_addr( tbl_addr+0 ), ctl_regs[ kTable_Coarse_idx ] );
|
||||
EEPROM_write( eeprom_addr( tbl_addr+1 ), ctl_regs[ kTable_Fine_idx ]);
|
||||
// write the table
|
||||
for(i=0; i<tableN; ++i)
|
||||
EEPROM_write( regN+i, table[i] );
|
||||
}
|
||||
|
||||
void table_load( void )
|
||||
void load_table()
|
||||
{
|
||||
uint8_t i = 0;
|
||||
uint8_t i;
|
||||
uint8_t regN = sizeof(eeprom_addr);
|
||||
|
||||
for(; i<128; ++i)
|
||||
{
|
||||
uint8_t tbl_addr = i*2;
|
||||
table[tbl_addr+0] = EEPROM_read( eeprom_addr(tbl_addr+0) );
|
||||
table[tbl_addr+1] = EEPROM_read( eeprom_addr(tbl_addr+1) );
|
||||
}
|
||||
// read the persistent registers
|
||||
for(i=0; i<regN; ++i)
|
||||
ctl_regs[ eeprom_addr[i] ] = EEPROM_read(i);
|
||||
|
||||
// read the tabke
|
||||
for(i=0; i<tableN; ++i)
|
||||
table[i] = EEPROM_read(regN + i);
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
@ -208,16 +195,20 @@ void table_load( void )
|
||||
// Timer0
|
||||
//
|
||||
|
||||
volatile uint8_t tmr0_state = 0; // 0=disabled 1=coarse mode, 2=fine mode
|
||||
volatile uint8_t tmr0_state = 0; // current timer mode: 0=disabled 1=coarse mode, 2=fine mode
|
||||
volatile uint8_t tmr0_coarse_cur = 0;
|
||||
|
||||
#define set_attack() do { ctl_regs[kState_idx] |= kAttk_Fl; PORTB |= _BV(ATTK_PIN); } while(0)
|
||||
#define clear_attack() do { PORTB &= ~_BV(ATTK_PIN); ctl_regs[kState_idx] &= ~kAttk_Fl; } while(0)
|
||||
#define set_attack() do { ctl_regs[kState_idx] |= kState_Attk_Fl; PORTB |= _BV(ATTK_PIN); } while(0)
|
||||
#define clear_attack() do { PORTB &= ~_BV(ATTK_PIN); ctl_regs[kState_idx] &= ~kState_Attk_Fl; } while(0)
|
||||
|
||||
|
||||
// Use the current tmr0 ctl_reg[] values to set the timer to the starting state.
|
||||
void tmr0_reset()
|
||||
{
|
||||
tmr0_coarse_cur = 0; // clear the coarse time counter
|
||||
ctl_regs[kState_idx] |= kState_Attk_Fl; // set the attack state
|
||||
PORTB |= _BV(ATTK_PIN); // set the attack pin
|
||||
|
||||
// if a coarse count exists then go into coarse mode
|
||||
if( ctl_regs[kTmr_Coarse_idx] > 0 )
|
||||
{
|
||||
@ -230,11 +221,7 @@ void tmr0_reset()
|
||||
OCR0A = ctl_regs[kTmr_Fine_idx];
|
||||
}
|
||||
|
||||
tmr0_coarse_cur = 0;
|
||||
|
||||
ctl_regs[kState_idx] |= kAttk_Fl; // set the attack state
|
||||
PORTB |= _BV(ATTK_PIN); // set the attack pin
|
||||
TIMSK |= _BV(OCIE0A); // enable the timer interrupt
|
||||
TIMSK |= _BV(OCIE0A); // enable the timer interrupt
|
||||
}
|
||||
|
||||
ISR(TIMER0_COMPA_vect)
|
||||
@ -242,7 +229,7 @@ ISR(TIMER0_COMPA_vect)
|
||||
switch( tmr0_state )
|
||||
{
|
||||
case 0:
|
||||
// disabled
|
||||
// timer is disabled
|
||||
break;
|
||||
|
||||
case 1:
|
||||
@ -257,39 +244,12 @@ ISR(TIMER0_COMPA_vect)
|
||||
case 2:
|
||||
// fine mode
|
||||
|
||||
// If in repeat mode
|
||||
if(ctl_regs[kMode_idx] & kMode_Repeat_Fl)
|
||||
{
|
||||
uint8_t fl = ctl_regs[kState_idx] & kAttk_Fl;
|
||||
// This marks the end of a timer period
|
||||
|
||||
tmr0_reset(); // restart the timer
|
||||
clear_attack();
|
||||
|
||||
// ATTK_PIN is always set after tmr0_reset() but we need to toggle in 'repeat' mode
|
||||
if( fl )
|
||||
{
|
||||
clear_attack();
|
||||
}
|
||||
|
||||
// In repeat mode we run the PWM output continuously
|
||||
TIMSK |= _BV(OCIE1B) + _BV(TOIE1); // Enable PWM interrupts
|
||||
|
||||
}
|
||||
else // not in repeat mode
|
||||
{
|
||||
clear_attack();
|
||||
|
||||
if( ctl_regs[kMode_idx] & kMode_Pwm_Fl)
|
||||
{
|
||||
TIMSK |= _BV(OCIE1B) + _BV(TOIE1); // PWM interupt Enable interrupts
|
||||
}
|
||||
else
|
||||
{
|
||||
PORTB |= _BV(HOLD_PIN); // set the HOLD pin
|
||||
}
|
||||
|
||||
TIMSK &= ~_BV(OCIE0A); // clear timer interrupt
|
||||
|
||||
}
|
||||
TIMSK |= _BV(OCIE1B) + _BV(TOIE1); // PWM interupt Enable interrupts
|
||||
TIMSK &= ~_BV(OCIE0A); // clear timer interrupt
|
||||
|
||||
break;
|
||||
}
|
||||
@ -343,7 +303,7 @@ void pwm1_init()
|
||||
// set on TCNT1 == 0 // happens when TCNT1 matches OCR1C
|
||||
// clr on OCR1B == TCNT // happens when TCNT1 matches OCR1B
|
||||
// // COM1B1=1 COM1B0=0 (enable output on ~OC1B)
|
||||
TCCR1 |= 10; // 32us period (512 divider) prescaler
|
||||
TCCR1 |= ctl_regs[ kPwm_Div_idx]; // 32us period (512 divider) prescaler
|
||||
GTCCR |= _BV(PWM1B); // Enable PWM B and disconnect output pins
|
||||
GTCCR |= _BV(PSR1); // Set the pre-scaler to the selected value
|
||||
|
||||
@ -487,18 +447,36 @@ void on_receive( uint8_t byteN )
|
||||
switch( op_id )
|
||||
{
|
||||
case kSetPwm_Op:
|
||||
for(i=0; i<stack_idx && i<2; ++i)
|
||||
for(i=0; i<stack_idx && i<3; ++i)
|
||||
ctl_regs[ kPwm_Duty_idx + i ] = stack[i];
|
||||
|
||||
// if the PWM prescaler was changed
|
||||
if( i == 3 )
|
||||
pwm1_init();
|
||||
|
||||
pwm1_update();
|
||||
break;
|
||||
|
||||
|
||||
case kNoteOnUsec_Op:
|
||||
for(i=0; i<stack_idx && i<3; ++i)
|
||||
ctl_regs[ kTmr_Coarse_idx + i ] = stack[i];
|
||||
|
||||
// validate the coarse error value
|
||||
if( ctl_regs[ kTmr_Coarse_idx ] > ctl_regs[ kMax_Coarse_Tmr_idx ])
|
||||
{
|
||||
ctl_regs[ kTmr_Coarse_idx ] = ctl_regs[ kMax_Coarse_Tmr_idx ];
|
||||
set_error( kInvalid_Coarse_Tmr_ErrFl );
|
||||
}
|
||||
// if a prescaler was included then the timer needs to be re-initialized
|
||||
if( i == 3 )
|
||||
tmr0_init();
|
||||
|
||||
tmr0_reset();
|
||||
break;
|
||||
|
||||
case kNoteOff_Op:
|
||||
TIMSK &= ~_BV(OCIE0A); // clear timer interrupt (shouldn't be necessary)
|
||||
TIMSK &= ~(_BV(OCIE1B) + _BV(TOIE1)); // PWM interupt disable interrupts
|
||||
PORTB &= ~_BV(HOLD_PIN); // clear the HOLD pin
|
||||
break;
|
||||
@ -517,13 +495,8 @@ void on_receive( uint8_t byteN )
|
||||
_write_op( stack, stack_idx );
|
||||
break;
|
||||
|
||||
case kSetMode_Op:
|
||||
if( stack_idx > 0)
|
||||
{
|
||||
ctl_regs[ kMode_idx ] = stack[0];
|
||||
tmr0_reset();
|
||||
}
|
||||
|
||||
case kWriteTable_Op:
|
||||
write_table();
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -550,9 +523,6 @@ int main(void)
|
||||
_delay_ms(1000);
|
||||
PINB = _BV(LED_PIN); // writes to PINB toggle the pins
|
||||
|
||||
// if in repeat mode
|
||||
if( ctl_regs[ kMode_idx ] & kMode_Repeat_Fl)
|
||||
tmr0_reset();
|
||||
|
||||
while(1)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user