diff --git a/docs/esp8266/quickref.rst b/docs/esp8266/quickref.rst index d8ec6037278f39a2908a1c0f73015584b4660c2d..f15cb72bbe539899472355cce7b344d8a072fddd 100644 --- a/docs/esp8266/quickref.rst +++ b/docs/esp8266/quickref.rst @@ -253,15 +253,14 @@ The OneWire driver is implemented in software and works on all pins:: ow.scan() # return a list of devices on the bus ow.reset() # reset the bus ow.readbyte() # read a byte - ow.read(5) # read 5 bytes ow.writebyte(0x12) # write a byte on the bus ow.write('123') # write bytes on the bus ow.select_rom(b'12345678') # select a specific device by its ROM code -There is a specific driver for DS18B20 devices:: +There is a specific driver for DS18S20 and DS18B20 devices:: - import time - ds = onewire.DS18B20(ow) + import time, ds18x20 + ds = ds18x20.DS18X20(ow) roms = ds.scan() ds.convert_temp() time.sleep_ms(750) diff --git a/docs/esp8266/tutorial/onewire.rst b/docs/esp8266/tutorial/onewire.rst index c90044b7a82d179ba1a9d3354bfe6ef5ef7e2e74..c2cede9e389566058d879f0d0e2c9b8178d8ca8b 100644 --- a/docs/esp8266/tutorial/onewire.rst +++ b/docs/esp8266/tutorial/onewire.rst @@ -6,19 +6,19 @@ The 1-wire bus is a serial bus that uses just a single wire for communication is a very popular 1-wire device, and here we show how to use the onewire module to read from such a device. -For the following code to work you need to have at least one DS18B20 temperature +For the following code to work you need to have at least one DS18S20 or DS18B20 temperature sensor with its data line connected to GPIO12. You must also power the sensors and connect a 4.7k Ohm resistor between the data pin and the power pin. :: import time import machine - import onewire + import onewire, ds18x20 # the device is on GPIO12 dat = machine.Pin(12) # create the onewire object - ds = onewire.DS18B20(onewire.OneWire(dat)) + ds = ds18x20.DS18X20(onewire.OneWire(dat)) # scan for devices on the bus roms = ds.scan()