boochow

import os
from fbconsole import FBConsole
from rpi import RPiScreen

scr = FBConsole(RPiScreen(480,270))
os.dupterm(scr)

boochow

import gpu
import framebuf

class RPiScreen(framebuf.FrameBuffer):
    def __init__(self, width, height):
        self.width = width
        self.height = height
        gpu.fb_init(width,height,screen_w=1920,screen_h=1080)
        super().__init__(gpu.fb_data(),width,height,framebuf.RGB565)
        self

boochow

def uint32(x):
    if x & 0x8000000:
        x = x - 0xffffffff - 1
    return x

def byte2pwm(b):
    bits = "{:08b}".format(b)
    data = 0
    for c in bits:
        data = (data << 4) | (0b1000 if c == '0' else 0b1110)

boochow

from machine import Clock, PWM, Pin
import time

Clock(Clock.PWM, enable=False, source=Clock.OSC, divi=6, divf=0, mash=0)
Clock(Clock.PWM, enable=True)

# set PWM to serializer mode, inverted (1 = L, 0 = H), FIFO enabled
p0 = PWM(Pin(18), mode=PWM.MODE_SERIALIZER, active=0, tick_hz=3200000, duty_ticks=0, period=32, ms=PWM.MS_ENABLE, polarity=1, use_fifo=1, fifo_repeat=0)
p1 = PWM(1, active=0, period=32, use_fifo=1) # both two PWMs must be fifo enabled (chip bug?)

boochow

>>> import pyb
>>> pyb.LED(1).on()
>>> pyb.LED(1).off()
>>>

boochow

import pyb, time

while(True):
    pyb.LED(1).on()
    time.sleep_ms(200)
    pyb.LED(1).off()
    time.sleep_ms(300)

boochow

>>> import pyb
>>> tim = pyb.Timer(1)
>>> tim.init(freq=10)
>>> tim.callback(lambda t:pyb.LED(1).toggle())
>>> tim.deinit()
>>>

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>>> i2c = pyb.I2C(2, pyb.I2C.MASTER)
>>> i2c.scan()
[30, 41, 45, 86, 93, 95, 106]
>>>

boochow

>>> ht = HTS221(2)
>>> ht.get()
[73.21584, 36.9939]
>>> ht.getTemp()
36.9939
>>> ht.getHumi()
73.26691
>>>

boochow

import machine
import struct
import utime

I2C_2 = machine.I2C(2)

LSM6DSL_ADDR = 106

LSM6DSL_REG_CTRL1_XL = 0x10
LSM6DSL_REG_CTRL2_G = 0x11