3 files changed, 8 insertions, 0 deletions
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt
index 405639c9c..2e05b2c40 100755
--- a/nuttx/configs/stm32f4discovery/README.txt
+++ b/nuttx/configs/stm32f4discovery/README.txt
@@ -402,6 +402,8 @@ stm32f4discovery-specific Configuration Options
 
 	CONFIG_CAN - Enables CAN support (one or both of CONFIG_STM32_CAN1 or
 	  CONFIG_STM32_CAN2 must also be defined)
+	CONFIG_CAN_EXTID - Enables support for the 29-bit extended ID.  Default
+	  Standard 11-bit IDs.
 	CONFIG_CAN_FIFOSIZE - The size of the circular buffer of CAN messages.
 	  Default: 8
 	CONFIG_CAN_NPENDINGRTR - The size of the list of pending RTR requests.
diff --git a/nuttx/configs/stm32f4discovery/nsh/defconfig b/nuttx/configs/stm32f4discovery/nsh/defconfig
index 529716409..abf1b8bbc 100755
--- a/nuttx/configs/stm32f4discovery/nsh/defconfig
+++ b/nuttx/configs/stm32f4discovery/nsh/defconfig
@@ -248,6 +248,8 @@ CONFIG_SPI_EXCHANGE=y
 #
 # CONFIG_CAN - Enables CAN support (one or both of CONFIG_STM32_CAN1 or
 #   CONFIG_STM32_CAN2 must also be defined)
+# CONFIG_CAN_EXTID - Enables support for the 29-bit extended ID.  Default
+#   Standard 11-bit IDs.
 # CONFIG_CAN_FIFOSIZE - The size of the circular buffer of CAN messages.
 #   Default: 8
 # CONFIG_CAN_NPENDINGRTR - The size of the list of pending RTR requests.
@@ -258,6 +260,7 @@ CONFIG_SPI_EXCHANGE=y
 # CONFIG_CAN2_BAUD - CAN1 BAUD rate.  Required if CONFIG_STM32_CAN2 is defined.
 #
 CONFIG_CAN=n
+CONFIG_CAN_EXTID=n
 #CONFIG_CAN_FIFOSIZE
 #CONFIG_CAN_NPENDINGRTR
 CONFIG_CAN_LOOPBACK=n
diff --git a/nuttx/configs/stm32f4discovery/ostest/defconfig b/nuttx/configs/stm32f4discovery/ostest/defconfig
index f3b8e73f0..57cd9129f 100755
--- a/nuttx/configs/stm32f4discovery/ostest/defconfig
+++ b/nuttx/configs/stm32f4discovery/ostest/defconfig
@@ -261,6 +261,8 @@ CONFIG_SSI_POLLWAIT=y
 #
 # CONFIG_CAN - Enables CAN support (one or both of CONFIG_STM32_CAN1 or
 #   CONFIG_STM32_CAN2 must also be defined)
+# CONFIG_CAN_EXTID - Enables support for the 29-bit extended ID.  Default
+#   Standard 11-bit IDs.
 # CONFIG_CAN_FIFOSIZE - The size of the circular buffer of CAN messages.
 #   Default: 8
 # CONFIG_CAN_NPENDINGRTR - The size of the list of pending RTR requests.
@@ -271,6 +273,7 @@ CONFIG_SSI_POLLWAIT=y
 # CONFIG_CAN2_BAUD - CAN1 BAUD rate.  Required if CONFIG_STM32_CAN2 is defined.
 #
 CONFIG_CAN=n
+CONFIG_CAN_EXTID=n
 #CONFIG_CAN_FIFOSIZE
 #CONFIG_CAN_NPENDINGRTR
 CONFIG_CAN_LOOPBACK=n