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Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_can.c')
-rwxr-xr-xnuttx/arch/arm/src/lpc17xx/lpc17_can.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_can.c b/nuttx/arch/arm/src/lpc17xx/lpc17_can.c
index 80e148077..0494904cf 100755
--- a/nuttx/arch/arm/src/lpc17xx/lpc17_can.c
+++ b/nuttx/arch/arm/src/lpc17xx/lpc17_can.c
@@ -151,6 +151,10 @@
# define CONFIG_CAN_TSEG2 7
#endif
+#if CONFIG_CAN_TSEG2 < 1 || CONFIG_CAN_TSEG2 > CAN_BTR_TSEG2_MAX
+# errror "CONFIG_CAN_TSEG2 is out of range"
+#endif
+
#define CAN_BIT_QUANTA (CONFIG_CAN_TSEG1 + CONFIG_CAN_TSEG2 + 1)
/* Debug ********************************************************************/
@@ -1127,7 +1131,7 @@ static int can_bittiming(struct up_dev_s *priv)
{
/* At the smallest brp value (1), there are already too few bit times
* (CAN_CLOCK / baud) to meet our goal. brp must be one and we need
- * make some reasonalble guesses about ts1 and ts2.
+ * make some reasonable guesses about ts1 and ts2.
*/
brp = 1;
@@ -1153,7 +1157,7 @@ static int can_bittiming(struct up_dev_s *priv)
ts1 = CONFIG_CAN_TSEG1;
ts2 = CONFIG_CAN_TSEG2;
brp = (nclks + (CAN_BIT_QUANTA/2)) / CAN_BIT_QUANTA;
- DEBUGASSERT(brp >=1 && brp < 1024);
+ DEBUGASSERT(brp >=1 && brp <= CAN_BTR_BRP_MAX);
}
sjw = 1;