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Diffstat (limited to 'ports/esp32/machine_i2c.c')
-rw-r--r--ports/esp32/machine_i2c.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/ports/esp32/machine_i2c.c b/ports/esp32/machine_i2c.c
index 3993c7b52..fd5180b8d 100644
--- a/ports/esp32/machine_i2c.c
+++ b/ports/esp32/machine_i2c.c
@@ -34,8 +34,13 @@
#define I2C_0_DEFAULT_SCL (GPIO_NUM_18)
#define I2C_0_DEFAULT_SDA (GPIO_NUM_19)
+#if CONFIG_IDF_TARGET_ESP32
#define I2C_1_DEFAULT_SCL (GPIO_NUM_25)
#define I2C_1_DEFAULT_SDA (GPIO_NUM_26)
+#else
+#define I2C_1_DEFAULT_SCL (GPIO_NUM_9)
+#define I2C_1_DEFAULT_SDA (GPIO_NUM_8)
+#endif
#define I2C_DEFAULT_TIMEOUT_US (10000) // 10ms