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fix(i2c): guard I2C_NUM_1 usage for single-port targets (ESP32-C3) #568

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Merged
finger563 merged 1 commit into from
Dec 8, 2025
Merged

fix(i2c): guard I2C_NUM_1 usage for single-port targets (ESP32-C3) #568

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6 changes: 4 additions & 2 deletions components/i2c/include/i2c_format_helpers.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,10 @@ template <> struct fmt::formatter<i2c_port_t> {
switch (p) {
case I2C_NUM_0:
return fmt::format_to(ctx.out(), "I2C_NUM_0");
case I2C_NUM_1:
return fmt::format_to(ctx.out(), "I2C_NUM_1");
#ifdef I2C_NUM_1
case I2C_NUM_1:
return fmt::format_to(ctx.out(), "I2C_NUM_1");
#endif
default:
return fmt::format_to(ctx.out(), "Unknown");
}
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