5 files changed, 113 insertions, 1 deletions
diff --git a/nuttx/configs/stm3240g-eval/dhcpd/defconfig b/nuttx/configs/stm3240g-eval/dhcpd/defconfig
index 97621f7a7..f42eed44e 100755
--- a/nuttx/configs/stm3240g-eval/dhcpd/defconfig
+++ b/nuttx/configs/stm3240g-eval/dhcpd/defconfig
@@ -327,6 +327,14 @@ CONFIG_STM32_ETH_PTP=n
 CONFIG_STM32_ETHMAC_REGDEBUG=n
 
 #
+# I2C configuration
+#
+CONFIG_I2C=n
+CONFIG_I2C_POLLED=y
+CONFIG_I2C_TRANSFER=y
+CONFIG_I2C_TRACE=n
+
+#
 # General build options
 #
 # CONFIG_RRLOAD_BINARY - make the rrload binary format used with
@@ -1175,6 +1183,25 @@ CONFIG_NSH_MMCSDSLOTNO=0
 CONFIG_NSH_MMCSDMINOR=0
 
 #
+# I2C tool settings
+#
+# CONFIG_I2CTOOL_BUILTIN - Build the tools as an NSH built-in command
+# CONFIG_I2CTOOL_MINBUS - Smallest bus index supported by the hardware (default 0).
+# CONFIG_I2CTOOL_MAXBUS - Largest bus index supported by the hardware (default 3)
+# CONFIG_I2CTOOL_MINADDR - Minium device address (default: 0x03)
+# CONFIG_I2CTOOL_MAXADDR - Largest device address (default: 0x77)
+# CONFIG_I2CTOOL_MAXREGADDR - Largest register address (default: 0xff)
+# CONFIG_I2CTOOL_DEFFREQ - Default frequency (default: 1000000)
+#
+CONFIG_I2CTOOL_BUILTIN=y
+CONFIG_I2CTOOL_MINBUS=1
+CONFIG_I2CTOOL_MAXBUS=3
+#CONFIG_I2CTOOL_MINADDR
+#CONFIG_I2CTOOL_MAXADDR
+#CONFIG_I2CTOOL_MAXREGADDR
+CONFIG_I2CTOOL_DEFFREQ=100000
+
+#
 # Settings for examples/usbserial
 #
 # CONFIG_EXAMPLES_USBSERIAL_INONLY
diff --git a/nuttx/configs/stm3240g-eval/nettest/defconfig b/nuttx/configs/stm3240g-eval/nettest/defconfig
index fd443c8a3..c608c7743 100755
--- a/nuttx/configs/stm3240g-eval/nettest/defconfig
+++ b/nuttx/configs/stm3240g-eval/nettest/defconfig
@@ -327,6 +327,14 @@ CONFIG_STM32_ETH_PTP=n
 CONFIG_STM32_ETHMAC_REGDEBUG=n
 
 #
+# I2C configuration
+#
+CONFIG_I2C=n
+CONFIG_I2C_POLLED=y
+CONFIG_I2C_TRANSFER=y
+CONFIG_I2C_TRACE=n
+
+#
 # General build options
 #
 # CONFIG_RRLOAD_BINARY - make the rrload binary format used with
@@ -1168,6 +1176,25 @@ CONFIG_NSH_MMCSDSLOTNO=0
 CONFIG_NSH_MMCSDMINOR=0
 
 #
+# I2C tool settings
+#
+# CONFIG_I2CTOOL_BUILTIN - Build the tools as an NSH built-in command
+# CONFIG_I2CTOOL_MINBUS - Smallest bus index supported by the hardware (default 0).
+# CONFIG_I2CTOOL_MAXBUS - Largest bus index supported by the hardware (default 3)
+# CONFIG_I2CTOOL_MINADDR - Minium device address (default: 0x03)
+# CONFIG_I2CTOOL_MAXADDR - Largest device address (default: 0x77)
+# CONFIG_I2CTOOL_MAXREGADDR - Largest register address (default: 0xff)
+# CONFIG_I2CTOOL_DEFFREQ - Default frequency (default: 1000000)
+#
+CONFIG_I2CTOOL_BUILTIN=y
+CONFIG_I2CTOOL_MINBUS=1
+CONFIG_I2CTOOL_MAXBUS=3
+#CONFIG_I2CTOOL_MINADDR
+#CONFIG_I2CTOOL_MAXADDR
+#CONFIG_I2CTOOL_MAXREGADDR
+CONFIG_I2CTOOL_DEFFREQ=100000
+
+#
 # Settings for examples/usbserial
 #
 # CONFIG_EXAMPLES_USBSERIAL_INONLY
diff --git a/nuttx/configs/stm3240g-eval/nsh/appconfig b/nuttx/configs/stm3240g-eval/nsh/appconfig
index a2f3b5ebc..201bddb42 100644
--- a/nuttx/configs/stm3240g-eval/nsh/appconfig
+++ b/nuttx/configs/stm3240g-eval/nsh/appconfig
@@ -62,3 +62,6 @@ ifeq ($(CONFIG_CAN),y)
 CONFIGURED_APPS += examples/can
 endif
 
+ifeq ($(CONFIG_I2C),y)
+CONFIGURED_APPS += system/i2c
+endif
diff --git a/nuttx/configs/stm3240g-eval/nsh/defconfig b/nuttx/configs/stm3240g-eval/nsh/defconfig
index a218f62bc..c44ac4165 100755
--- a/nuttx/configs/stm3240g-eval/nsh/defconfig
+++ b/nuttx/configs/stm3240g-eval/nsh/defconfig
@@ -155,7 +155,7 @@ CONFIG_STM32_USART2=n
 CONFIG_STM32_USART3=y
 CONFIG_STM32_UART4=n
 CONFIG_STM32_UART5=n
-CONFIG_STM32_I2C1=n
+CONFIG_STM32_I2C1=y
 CONFIG_STM32_I2C2=n
 CONFIG_STM32_I2C3=n
 CONFIG_STM32_CAN1=n
@@ -329,6 +329,14 @@ CONFIG_STM32_ETH_PTP=n
 CONFIG_STM32_ETHMAC_REGDEBUG=n
 
 #
+# I2C configuration
+#
+CONFIG_I2C=y
+CONFIG_I2C_POLLED=y
+CONFIG_I2C_TRANSFER=y
+CONFIG_I2C_TRACE=n
+
+#
 # ADC configuration
 #
 # Enable ADC driver support.  The STM3240G-EVAL has a 10 Kohm potentiometer
@@ -489,6 +497,7 @@ CONFIG_DEBUG_RTC=n
 CONFIG_DEBUG_ANALOG=n
 CONFIG_DEBUG_PWM=n
 CONFIG_DEBUG_CAN=n
+CONFIG_DEBUG_I2C=n
 CONFIG_HAVE_CXX=y
 CONFIG_MM_REGIONS=2
 CONFIG_ARCH_LOWPUTC=y
@@ -1211,6 +1220,25 @@ CONFIG_NSH_MMCSDSLOTNO=0
 CONFIG_NSH_MMCSDMINOR=0
 
 #
+# I2C tool settings
+#
+# CONFIG_I2CTOOL_BUILTIN - Build the tools as an NSH built-in command
+# CONFIG_I2CTOOL_MINBUS - Smallest bus index supported by the hardware (default 0).
+# CONFIG_I2CTOOL_MAXBUS - Largest bus index supported by the hardware (default 3)
+# CONFIG_I2CTOOL_MINADDR - Minium device address (default: 0x03)
+# CONFIG_I2CTOOL_MAXADDR - Largest device address (default: 0x77)
+# CONFIG_I2CTOOL_MAXREGADDR - Largest register address (default: 0xff)
+# CONFIG_I2CTOOL_DEFFREQ - Default frequency (default: 1000000)
+#
+CONFIG_I2CTOOL_BUILTIN=y
+CONFIG_I2CTOOL_MINBUS=1
+CONFIG_I2CTOOL_MAXBUS=3
+#CONFIG_I2CTOOL_MINADDR
+#CONFIG_I2CTOOL_MAXADDR
+#CONFIG_I2CTOOL_MAXREGADDR
+CONFIG_I2CTOOL_DEFFREQ=100000
+
+#
 # Settings for examples/usbserial
 #
 # CONFIG_EXAMPLES_USBSERIAL_INONLY
diff --git a/nuttx/configs/stm3240g-eval/ostest/defconfig b/nuttx/configs/stm3240g-eval/ostest/defconfig
index 8c56c86c3..32e64d7d8 100755
--- a/nuttx/configs/stm3240g-eval/ostest/defconfig
+++ b/nuttx/configs/stm3240g-eval/ostest/defconfig
@@ -325,6 +325,14 @@ CONFIG_STM32_PHYSR_FULLDUPLEX=0x0004
 CONFIG_STM32_ETH_PTP=n
 
 #
+# I2C configuration
+#
+CONFIG_I2C=n
+CONFIG_I2C_POLLED=y
+CONFIG_I2C_TRANSFER=y
+CONFIG_I2C_TRACE=n
+
+#
 # General build options
 #
 # CONFIG_RRLOAD_BINARY - make the rrload binary format used with
@@ -1369,6 +1377,25 @@ CONFIG_EXAMPLE_BUTTONS_NAME1="Left/Right"
 CONFIG_EXAMPLE_BUTTONS_NAME2="Up/Down"
 
 #
+# I2C tool settings
+#
+# CONFIG_I2CTOOL_BUILTIN - Build the tools as an NSH built-in command
+# CONFIG_I2CTOOL_MINBUS - Smallest bus index supported by the hardware (default 0).
+# CONFIG_I2CTOOL_MAXBUS - Largest bus index supported by the hardware (default 3)
+# CONFIG_I2CTOOL_MINADDR - Minium device address (default: 0x03)
+# CONFIG_I2CTOOL_MAXADDR - Largest device address (default: 0x77)
+# CONFIG_I2CTOOL_MAXREGADDR - Largest register address (default: 0xff)
+# CONFIG_I2CTOOL_DEFFREQ - Default frequency (default: 1000000)
+#
+CONFIG_I2CTOOL_BUILTIN=y
+CONFIG_I2CTOOL_MINBUS=1
+CONFIG_I2CTOOL_MAXBUS=3
+#CONFIG_I2CTOOL_MINADDR
+#CONFIG_I2CTOOL_MAXADDR
+#CONFIG_I2CTOOL_MAXREGADDR
+CONFIG_I2CTOOL_DEFFREQ=100000
+
+#
 # Settings for examples/usbserial
 #
 # CONFIG_EXAMPLES_USBSERIAL_INONLY