gustavonihei commented on a change in pull request #4234:
URL: https://github.com/apache/incubator-nuttx/pull/4234#discussion_r676963170
##########
File path: arch/risc-v/src/esp32c3/hardware/esp32c3_rtccntl.h
##########
@@ -49,13 +49,13 @@
* write-enable the wdt registers
*/
-#define RTC_CNTL_WDT_WKEY_VALUE 0x50D83AA1
+#define RTC_CNTL_WDT_WKEY_VALUE 0x50D83AA1
/* The value that needs to be written to RTC_CNTL_SWD_WPROTECT_REG
* to write-enable the wdt registers
*/
-#define RTC_CNTL_SWD_WKEY_VALUE 0x8F1D312A
+#define RTC_CNTL_SWD_WKEY_VALUE 0x8F1D312A
Review comment:
```suggestion
#define RTC_CNTL_SWD_WKEY_VALUE 0x8f1d312a
```
It is common practice to use lowercase letters for hex literals.
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