innocuous-symmetry/picosynth
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light refactoring

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This commit is contained in:
Mikayla Dobson
2023-04-10 16:59:43 -05:00
parent c88e757461
commit 212bf11216
1 changed files with 14 additions and 14 deletions
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28
main.py
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@@ -5,6 +5,10 @@ from time import sleep
__SYSTEM_PWM_FREQUENCY__ = 1000 __SYSTEM_PWM_FREQUENCY__ = 1000
HIGH = 65535
MID = HIGH / 2
LOW = 0
WAVEFORMS = ['sine', 'square', 'saw', 'triangle'] WAVEFORMS = ['sine', 'square', 'saw', 'triangle']
# thank you rsta2 : https://github.com/rsta2/minisynth/blob/master/src/oscillator.cpp # thank you rsta2 : https://github.com/rsta2/minisynth/blob/master/src/oscillator.cpp
@@ -56,6 +60,9 @@ SINE_WAVE = [
-0.13917310, -0.12186934, -0.10452846, -0.08715574, -0.06975647, -0.05233596, -0.03489950, -0.01745241 -0.13917310, -0.12186934, -0.10452846, -0.08715574, -0.06975647, -0.05233596, -0.03489950, -0.01745241
] ]
VOCT_PITCH_VALUES = [0.1, 0.2, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7]
# VOCT_PITCH_VALUES[x] * 65535 = our random pitch
# the format for specifying synthesizer configuration # the format for specifying synthesizer configuration
SYNTH_CONFIG = { SYNTH_CONFIG = {
# valid member types: analog in, digital in # valid member types: analog in, digital in
@@ -125,9 +132,8 @@ class Potentiometer(AnalogInput):
class PWMOutput: class PWMOutput:
def __init__(self, PIN: int, duty: int = 512): def __init__(self, PIN: int, duty: int = 512):
new_pwm = PWM(Pin(PIN)) new_pwm = PWM(Pin(PIN))
new_pwm.freq(__SYSTEM_PWM_FREQUENCY__)
self.PWM = new_pwm self.PWM = new_pwm
self.PWM.freq(__SYSTEM_PWM_FREQUENCY__)
self.duty = duty self.duty = duty
def set_duty(self, duty: int): def set_duty(self, duty: int):
@@ -221,22 +227,16 @@ class Synthesizer:
def __init__(self, config): def __init__(self, config):
self.config = config self.config = config
gate_out = PWM(Pin(15)) gate_out = PWMOutput(15, 0)
voct_out = PWM(Pin(16)) voct_out = PWMOutput(16, 0)
gate_out.freq(__SYSTEM_PWM_FREQUENCY__)
voct_out.freq(__SYSTEM_PWM_FREQUENCY__)
values = [0.1, 0.2, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7]
# values[x] * 65535 = our random pitch
while True: while True:
random_value = values[randint(0, len(values) - 1)] * 65535 random_value = VOCT_PITCH_VALUES[randint(0, len(VOCT_PITCH_VALUES) - 1)] * 65535
print(int(random_value)) print(int(random_value))
print('go') print('go')
gate_out.duty_u16(65535) gate_out.set_duty(65535)
voct_out.duty_u16(int(random_value)) voct_out.set_duty(int(random_value))
sleep(0.25) sleep(0.25)
gate_out.duty_u16(0) gate_out.set_duty(0)
sleep(1.5) sleep(1.5)