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Updating for MCP4728A4 #13

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Merged
merged 3 commits into from
Aug 8, 2022
Merged

Updating for MCP4728A4 #13

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e89e726
Updating for MCP4728A4
BlitzCityDIY Aug 5, 2022
367e4d7
Updating for CI
BlitzCityDIY Aug 5, 2022
ca6e96b
Updating I2C addresses
BlitzCityDIY Aug 7, 2022
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6 changes: 4 additions & 2 deletions adafruit_mcp4728.py
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,9 @@
from time import sleep
from adafruit_bus_device import i2c_device

_MCP4728_DEFAULT_ADDRESS = 0x60
MCP4728_DEFAULT_ADDRESS = 0x60

MCP4728A4_DEFAULT_ADDRESS = 0x64

_MCP4728_CH_A_MULTI_EEPROM = 0x50

Expand Down Expand Up @@ -115,7 +117,7 @@ class MCP4728:

"""

def __init__(self, i2c_bus, address=_MCP4728_DEFAULT_ADDRESS):
def __init__(self, i2c_bus, address: int = MCP4728_DEFAULT_ADDRESS):

self.i2c_device = i2c_device.I2CDevice(i2c_bus, address)

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1 change: 1 addition & 0 deletions examples/mcp4728_generalcalltest.py
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Expand Up @@ -13,6 +13,7 @@
mcp4728.channel_d.value = 0 # 0V

mcp4728.save_settings() # save current voltages into EEPROM

print("Settings Saved into EEPROM")

input("Press Enter to modify the channel outputs...")
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8 changes: 7 additions & 1 deletion examples/mcp4728_simpletest.py
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Expand Up @@ -4,8 +4,14 @@
import board
import adafruit_mcp4728

MCP4728_DEFAULT_ADDRESS = 0x60
MCP4728A4_DEFAULT_ADDRESS = 0x64

i2c = board.I2C() # uses board.SCL and board.SDA
mcp4728 = adafruit_mcp4728.MCP4728(i2c)
# use for MCP4728 variant
mcp4728 = adafruit_mcp4728.MCP4728(i2c, adafruit_mcp4728.MCP4728_DEFAULT_ADDRESS)
# use for MCP4728A4 variant
# mcp4728 = adafruit_mcp4728.MCP4728(i2c, adafruit_mcp4728.MCP4728A4_DEFAULT_ADDRESS)

mcp4728.channel_a.value = 65535 # Voltage = VDD
mcp4728.channel_b.value = int(65535 / 2) # VDD/2
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