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Save lots of PROGMEM, ~20b SRAM with DIGIPOT_I2C

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This commit is contained in:
Scott Lahteine 2017-06-06 06:10:10 -05:00
parent 4134a6b526
commit c9e3caf928
4 changed files with 53 additions and 28 deletions
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10
Marlin/SanityCheck.h
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@ -1165,6 +1165,16 @@ static_assert(1 >= 0
#error "Enable STEALTHCHOP to use HYBRID_THRESHOLD."
#endif
/**
* Digipot requirement
*/
#if ENABLED(DIGIPOT_MCP4018)
#if !defined(DIGIPOTS_I2C_SDA_X) || !defined(DIGIPOTS_I2C_SDA_Y) || !defined(DIGIPOTS_I2C_SDA_Z) \
|| !defined(DIGIPOTS_I2C_SDA_E0) || !defined(DIGIPOTS_I2C_SDA_E1)
#error "DIGIPOT_MCP4018 requires DIGIPOTS_I2C_SDA_* pins to be defined."
#endif
#endif
/**
* Require 4 or more elements in per-axis initializers
*/