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-rw-r--r--src/machine/board_grandcentral-m4.go3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/machine/board_grandcentral-m4.go b/src/machine/board_grandcentral-m4.go
index 46fb95697..61ef6a89b 100644
--- a/src/machine/board_grandcentral-m4.go
+++ b/src/machine/board_grandcentral-m4.go
@@ -224,7 +224,8 @@ const (
I2S_SCK_PIN = I2S0_SCK_PIN // default pins
I2S_WS_PIN = I2S0_FS_PIN //
- I2S_SD_PIN = I2S0_SDO_PIN //
+ I2S_SDO_PIN = I2S0_SDO_PIN
+ I2S_SDI_PIN = NoPin
)
// SD card pins