machine/samd51: fix i2cTimeout was decreasing due to cache activation

2023-07-06 21:54:32 +09:00 · 2023-07-06 21:54:32 +09:00 · 9126b95737
--- a/src/machine/machine_atsamd51.go
+++ b/src/machine/machine_atsamd51.go
@ -1162,7 +1162,7 @@ const (
 	wireCmdStop        = 3
 )

-const i2cTimeout = 1000
+const i2cTimeout = 28000 // about 210us

 // Configure is intended to setup the I2C interface.
 func (i2c *I2C) Configure(config I2CConfig) error {