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authorDaniel Friesel <daniel.friesel@uos.de>2020-09-07 08:14:56 +0200
committerDaniel Friesel <daniel.friesel@uos.de>2020-09-07 08:17:07 +0200
commit9877c448597249cd45919eb7173170cbb849e722 (patch)
tree07ae833dfa2a0b0da270ed8a9fc3f94f7947102f
parent73e2f44f951f96ea644e2f28bf0e68475f87de13 (diff)
add softi2c pullup to Kconfig
-rw-r--r--Makefile9
-rw-r--r--src/driver/Kconfig25
2 files changed, 34 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 9244c3f..6f09eee 100644
--- a/Makefile
+++ b/Makefile
@@ -258,14 +258,23 @@ ifdef CONFIG_timer_freq
COMMON_FLAGS += -DF_TIMER=${CONFIG_timer_freq}
endif
+ifdef CONFIG_driver_softi2c_pullup-dynamic_internal
+ softi2c_pullup=internal
+endif
ifeq (${softi2c_pullup}, internal)
COMMON_FLAGS += -DSOFTI2C_PULLUP_INTERNAL
endif
+ifdef CONFIG_driver_softi2c_pullup_dynamic_external
+ softi2c_pullup=external
+endif
ifeq (${softi2c_pullup}, external)
COMMON_FLAGS += -DSOFTI2C_PULLUP_EXTERNAL
endif
+ifdef CONFIG_driver_softi2c_pullup_external
+ softi2c_pullup=gpio
+endif
ifeq (${softi2c_pullup}, gpio)
COMMON_FLAGS += -DSOFTI2C_PULLUP_FIXED_GPIO
endif
diff --git a/src/driver/Kconfig b/src/driver/Kconfig
index 4c97d70..9fdc1b2 100644
--- a/src/driver/Kconfig
+++ b/src/driver/Kconfig
@@ -79,3 +79,28 @@ bool "Software I2C"
select meta_driver_i2c
endmenu
+
+choice driver_softi2c_pullup
+
+bool "SoftI2C Pull-Up Configuration"
+depends on driver_softi2c
+
+config driver_softi2c_pullup_none
+bool "No Pull-Up Handling"
+
+config driver_softi2c_pullup_dynamic_internal
+bool "Internal Dynamic Pull-Up"
+help
+ Internal Pull-Up, disabled when transmitting LOW
+
+config driver_softi2c_pullup_dynamic_external
+bool "GPIO Dynamic Pull-Up"
+help
+ Pull-Up resistors connected to GPIO, disabled when transmitting LOW
+
+config driver_softi2c_pullup_external
+bool "GPIO Static Pull-Up"
+help
+ Pull-Up resistors connected to GPIO, always on
+
+endchoice