How to enable I2C and GPIO on Android

VIM4 Android
21

@Y2Kot You can migrate the i2c-tool code from VIM3 to the SDK, and then disable the original i2c tool compilation. The details are modified as follows:

cp -rf vim3/external/i2c-tools code to vim4/external/


vim4_new/device/khadas$ git diff
--- a/common/core_amlogic.mk
+++ b/common/core_amlogic.mk
@@ -735,6 +735,12 @@ PRODUCT_PACKAGES += \
 
 endif
 
+PRODUCT_PACKAGES += \
+       i2cget \
+       i2cset \
+       i2cdump \
+       i2cdetect
+
 PRODUCT_PACKAGES += \
     MtpService

vim4_new/external/toybox$ git diff
--- a/Android.bp
+++ b/Android.bp
@@ -351,10 +351,6 @@ cc_defaults {
                 "hwclock",
-                "i2cdetect",
-                "i2cdump",
-                "i2cget",
-                "i2cset",
                 "iconv",