i2c: mention that GrovePi requires running firmware 1.3.0

Signed-off-by: Ron Evans <[email protected]>
cluo · Aug 15, 2018 · d2cbfe6 · d2cbfe6
1 parent 1e9ebd1
commit d2cbfe6
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/drivers/i2c/grovepi_driver.go b/drivers/i2c/grovepi_driver.go
@@ -20,7 +20,12 @@ const (
 	CommandReadDHT      = 40
 )
 
-// GrovePiDriver is a driver for the GrovePi for I²C bus interface.
+// GrovePiDriver is a driver for the GrovePi+ for I²C bus interface.
+// https://www.dexterindustries.com/grovepi/
+//
+// To use this driver with the GrovePi, it must be running the 1.3.0+ firmware.
+// https://forum.dexterindustries.com/t/pre-release-of-grovepis-firmware-v1-3-0-open-to-testers/5119
+//
 type GrovePiDriver struct {
 	name        string
 	digitalPins map[int]string