cat-tracker/src/util.py
David Westgate 31d4458d58 progress
2025-05-12 14:10:57 -07:00

83 lines
2.1 KiB
Python

from spidev import SpiDev
from .regs_addr import regs_addr
import RPi.GPIO as GPIO
import time
debug = True
GDO0_PIN = 17
GDO2_PIN = 27
def rr(spi: SpiDev, addr):
READ_SINGLE = get_addr("READ_SINGLE")
# Send address | 0x80 (read), then 0x00 dummy to clock in response
response = spi.xfer2([READ_SINGLE | addr, 0x00])
sleep(0.1)
return response[1]
def gdo_test(GDO0_PIN=17, GDO2_PIN=27):
GPIO.setup(GDO0_PIN, GPIO.OUT)
GPIO.setup(GDO2_PIN, GPIO.OUT)
GPIO.output(GDO0_PIN, GPIO.HIGH)
GPIO.output(GDO2_PIN,GPIO.HIGH)
sleep(5)
GPIO.setup(GDO0_PIN, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.setup(GDO2_PIN, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
def print_gdo_state(GDO0_PIN=17, GDO2_PIN=27):
gdo0 = GPIO.input(GDO0_PIN) # Reads 1 or 0
gdo2 = GPIO.input(GDO2_PIN)
print(f"GDO0 (GPIO{GDO0_PIN}): {gdo0}, GDO2 (GPIO{GDO2_PIN}): {gdo2}")
sleep(0.1)
def digital_read(GDO_PIN: int):
return GPIO.input(GDO_PIN)
def get_addr(name: str):
addr = 0x00
stop = False
for reg_type, reg_data in regs_addr.items():
for reg_name, reg_addr in reg_data.items():
if reg_name == name:
stop = True
addr = int(reg_addr)
if stop == False:
raise Exception("Failed to find address for " + name)
return addr
def dump_regs(spi: SpiDev, cfgonly=False):
if cfgonly:
for reg_name, reg_addr in regs_addr["CONFIG_REGS"].items():
name: str = reg_name
value = rr(spi, reg_addr)
print((name + ":").ljust(15) + hex(value).ljust(4) + "\t" + str(value))
else:
for reg_type, reg_data in regs_addr.items():
for reg_name, reg_addr in reg_data.items():
name: str = reg_name
value = rr(spi, reg_addr)
print((name + ":").ljust(15) + hex(value).ljust(4) + "\t" + str(value))
# def disable_crc(spi):
# spi.xfer2([CONFIG_REGS["PKTCTRL0"], 0x01])
def sleep(t):
return time.sleep(t)
def delay(t):
"""Delay for t milliseconds."""
time.sleep(t / 1000.0)
def delayMicroseconds(t):
"""Delay for t microseconds."""
time.sleep(t / 1_000_000.0)