def init_ssd1306i2c(self, reset_pin, scl_pin, sda_pin):
print("Initializing SSD1306.")
# Reset display.
reset_pin.value(0)
reset_pin.value(1)
print("scl_pin ", scl_pin)
print("sda_pin ", sda_pin)
oled_i2c = I2C(-1, scl=scl_pin, sda=sda_pin)
try:
driver = ssd1306.SSD1306_I2C(128, 64, oled_i2c)
except OSError as err:
print("OS error: {0}".format(err))
driver = None
print("Display driver: ", driver)
self.display = Display(driver, self.network)
print("Display: ", Display)
self.display.clear()
print("SSD1306 initialized.")
from machine import Pin, I2C
from drivers import mpu6050
from drivers import ssd1306
import time
rst = Pin(16, Pin.OUT)
rst.value(1)
scl = Pin(15, Pin.OUT, Pin.PULL_UP)
sda = Pin(4, Pin.OUT, Pin.PULL_UP)
i2c = I2C(scl=scl, sda=sda, freq=450000)
oled = ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3c)
mpu = mpu6050.MPU()
while 1:
aux = mpu.read_sensors_scaled()
x = "x: " + str(aux[0])
y = "y: " + str(aux[1])
z = "z: " + str(aux[2])
oled.fill(0)
oled.text(x, 0, 0)
oled.text(y, 0, 8)
oled.text(z, 0, 16)
oled.show()
time.sleep(0.2)
def __init__(self, i2c):
self.display = ssd1306.SSD1306_I2C(128, 64, i2c)
import os
from machine import Pin, I2C, RTC
from drivers import ssd1306
import time
import framebuf
#define i2c for the STM32F407xx board
scl = Pin('PB10', Pin.OUT_PP)
sda = Pin('PB11', Pin.OUT_PP)
i2c = I2C(scl = scl, sda = sda)
#initiate 128x32 OLED display
oled = ssd1306.SSD1306_I2C(128, 32, i2c, 0x3c)
#initiate real time clock
rtc = RTC()
#load all the digits bitmaps
os.chdir('digits')
digits = []
for i in range(10):
with open('digit{}.pbm'.format(i), 'rb') as f:
f.readline() #first three lines must be skipped
f.readline()
f.readline()
data = bytearray(f.read())
fbuf = framebuf.FrameBuffer(data, 20, 32, framebuf.MONO_HLSB)
digits.append(fbuf)
from machine import SPI
from drivers import ssd1306
SDCARD_SECTOR_SIZE = 512 # typical sector size for SDCards, in bytes
SAMPLE_BLOCK_SIZE = SDCARD_SECTOR_SIZE * 4 #
BYTES_PER_SAMPLE = 2
BITS_PER_SAMPLE = 16
SAMPLES_PER_SECOND = 16000
RECORD_TIME_IN_SECONDS = 4
Pin(21, Pin.OUT, value=0)
Pin(16, Pin.OUT, value=1)
scl = Pin(15, Pin.OUT, Pin.PULL_UP)
sda = Pin(4, Pin.OUT, Pin.PULL_UP)
i2c = I2C(scl=scl, sda=sda, freq=450000)
oled = ssd1306.SSD1306_I2C(128, 64, i2c)
oled.fill(0)
oled.text("iniciando", 4, 4)
oled.text("grabacion...", 4, 4 + 8)
oled.show()
def prune(samples_in, samples_out):
for i in range(len(samples_in) // 8):
samples_out[2 * i] = samples_in[8 * i + 2]
samples_out[2 * i + 1] = samples_in[8 * i + 3]
def gen_wav_header(sampleRate, bitsPerSample, num_channels, num_samples):
datasize = num_samples * num_channels * bitsPerSample // 8
o = bytes("RIFF", 'ascii') # (4byte) Marks file as RIFF