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esp32/machine_i2c: Fix default I2C pins for C3, S3.
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The default I2C init does not require setting SCL or SDA but the default I2C0 pins for C3, S3 conflict with the espressif GPIO usage. For the C3, pins 18/19 are for USB/JTAG. If used for I2C() they will cause the REPL to hang on initialization of the I2C. For the S3 pin 19 is allocated for USB/JTAG also but the defaults do not seem to affect the REPL. See related #16956. Fixes issue #17103. Signed-off-by: Rick Sorensen <rick.sorensen@gmail.com> Signed-off-by: Angus Gratton <angus@redyak.com.au>
This commit is contained in:
Rick Sorensen
committed by
Damien George
Damien George
parent
06d8c084b9
commit
90aeac800a
@@ -35,9 +35,14 @@
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#if MICROPY_PY_MACHINE_I2C || MICROPY_PY_MACHINE_SOFTI2C
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#ifndef MICROPY_HW_I2C0_SCL
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#if CONFIG_IDF_TARGET_ESP32C3 || CONFIG_IDF_TARGET_ESP32S3
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#define MICROPY_HW_I2C0_SCL (GPIO_NUM_9)
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#define MICROPY_HW_I2C0_SDA (GPIO_NUM_8)
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#else
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#define MICROPY_HW_I2C0_SCL (GPIO_NUM_18)
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#define MICROPY_HW_I2C0_SDA (GPIO_NUM_19)
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#endif
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#endif
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#ifndef MICROPY_HW_I2C1_SCL
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#if CONFIG_IDF_TARGET_ESP32
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