Using SPI connection ADT7310 with MaixPy

from fpioa_manager import fm, board_info
from Maix import GPIO
from machine import SPI
import time
import lcd
import image


img = image.Image()
img.draw_rectangle(0, 0, 320, 240, color=(255, 0, 0),fill=True)
lcd.init(freq=15000000)
lcd.display(img)

fm.register(21,fm.fpioa.GPIOHS0)#cs
#fm.register(21,fm.fpioa.SPI1_SS0)#cs
fm.register(24,fm.fpioa.SPI1_D0)#mosi
fm.register(22,fm.fpioa.SPI1_D1)#miso
fm.register(23,fm.fpioa.SPI1_SCLK)#sclk

ss=GPIO(GPIO.GPIOHS0,GPIO.OUT)

def spi_cs_on():
    ss.value(0)

def spi_cs_off():
    ss.value(1)


spi01=SPI(SPI.SPI1,mode=SPI.MODE_MASTER,baudrate=125000,polarity=1,phase=1,bits=8,firstbit=SPI.MSB,mosi=fm.fpioa.SPI1_D0,miso=fm.fpioa.SPI1_D1,sck=fm.fpioa.SPI1_SCLK,cs0=-1)
#spi01=SPI(SPI.SPI1,mode=SPI.MODE_MASTER,baudrate=125000,polarity=1,phase=1,bits=8,firstbit=SPI.MSB,mosi=fm.fpioa.SPI1_D0,miso=fm.fpioa.SPI1_D1,sck=fm.fpioa.SPI1_SCLK,cs0=fm.fpioa.SPI1_SS0)

spi_cs_off()
buff=bytearray([0xff,0xff,0xff,0xff])
spi_cs_on()
spi01.write(buff, cs=SPI.CS0)
spi_cs_off()
time.sleep(0.1)

for count in range(17280):
    # 16bit 1-shot
    buff=bytearray([0x08,0xa0])
    # 13bit 1-shot
    #buff=bytearray([0x08,0x20])
    spi_cs_on()
    spi01.write(buff, cs=SPI.CS0)
    spi_cs_off()

    count001 = 0;
    while True:
        time.sleep(0.01)
        # ステータスレジスタの読み込み
        buff=bytearray([0x40])
        spi_cs_on()
        spi01.write(buff,cs=SPI.CS0)
        status_reg = bytearray(spi01.read(1,0x00,cs=SPI.CS0))
        spi_cs_off()
        count001 += 1
        if count001 >= 100:
            break
        if ((status_reg[0] >> 7) & 1) == 0:
            break

    status_str = "status=0x{0:02x}, {1:d} ms".format(status_reg[0], count001*10)
    img.draw_rectangle(0, 0, 320, 240, color=(255, 0, 0),fill=True)
    #img.draw_string(10,50,status_str,color=(255,255,255),scale=2,mono_space=False)
    print(status_str)

    time.sleep(0.36)

    buff=bytearray([0x50])
    spi_cs_on()
    spi01.write(buff,cs=SPI.CS0)
    temp_raw = bytearray(spi01.read(2,0x00,cs=SPI.CS0))
    spi_cs_off()

    # 16bitの計算
    temp = (temp_raw[0]*256+temp_raw[1])
    if temp >= 32768:
        temp - 65536
    temp = temp / 128
    temp_str = "{0:.4f} Celsius".format(temp)
    img.draw_string(10,100,temp_str,color=(255,255,255),scale=5,mono_space=False)
    print("{0:.4f} ℃".format(temp))
    # 13bitの計算
    #temp = (temp_raw[0]*256+temp_raw[1])/8
    #if temp >= 4096:
    #    temp - 8192
    #temp = temp / 16
    #print(temp)
    lcd.display(img)
    time.sleep(5.0)