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mcp4018: Remove support for manual i2c - use standard mcu software i2c instead

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor
2025-07-14 13:27:17 -04:00
parent 354b1e666b
commit a209d4db5b
5 changed files with 38 additions and 94 deletions
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4
docs/Config_Changes.md
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@@ -8,8 +8,8 @@ All dates in this document are approximate.
## Changes
20250721: The `[pca9632]` module no longer accepts the `scl_pin` and
`sda_pin` options. Use `i2c_software_scl_pin` and
20250721: The `[pca9632]` and `[mcp4018]` modules no longer accept the
`scl_pin` and `sda_pin` options. Use `i2c_software_scl_pin` and
`i2c_software_sda_pin` instead.
20250428: The maximum `cycle_time` for pwm `[output_pin]`,

19
docs/Config_Reference.md
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@@ -4392,16 +4392,21 @@ prefix).
### [mcp4018]
Statically configured MCP4018 digipot connected via two gpio "bit
banging" pins (one may define any number of sections with an "mcp4018"
prefix).
Statically configured MCP4018 digipot connected via i2c (one may
define any number of sections with an "mcp4018" prefix).
```
[mcp4018 my_digipot]
scl_pin:
# The SCL "clock" pin. This parameter must be provided.
sda_pin:
# The SDA "data" pin. This parameter must be provided.
#i2c_address: 47
# The i2c address that the chip is using on the i2c bus. The default
# is 47.
#i2c_mcu:
#i2c_bus:
#i2c_software_scl_pin:
#i2c_software_sda_pin:
#i2c_speed:
# See the "common I2C settings" section for a description of the
# above parameters.
wiper:
# The value to statically set the given MCP4018 "wiper" to. This is
# typically set to a number between 0.0 and 1.0 with 1.0 being the