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-rwxr-xr-xnuttx/configs/stm3210e-eval/README.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/nuttx/configs/stm3210e-eval/README.txt b/nuttx/configs/stm3210e-eval/README.txt
index e5f2541d8..05face7f0 100755
--- a/nuttx/configs/stm3210e-eval/README.txt
+++ b/nuttx/configs/stm3210e-eval/README.txt
@@ -583,6 +583,8 @@ STM3210E-EVAL-specific Configuration Options
Default: 8
CONFIG_CAN_NPENDINGRTR - The size of the list of pending RTR requests.
Default: 4
+ CONFIG_CAN_LOOPBACK - A CAN driver may or may not support a loopback
+ mode for testing. The STM32 CAN driver does support loopback mode.
CONFIG_CAN1_BAUD - CAN1 BAUD rate. Required if CONFIG_STM32_CAN1 is defined.
CONFIG_CAN2_BAUD - CAN1 BAUD rate. Required if CONFIG_STM32_CAN2 is defined.