Audit-clean C standard across all 5 cb challenges: fix 3 functions over 8 exec lines; rebuild bins; update CB-0x03 and CB-0x05 guides; verify all guides against new bins

0x001aa_cb/include/dht11.h

@@ -10,14 +10,33 @@
 
 #ifndef DHT11_H
 #define DHT11_H
+
 #include <stdint.h>
+#include <stdbool.h>
+
+#define DHT11_PIN 14
+
 typedef struct {
     uint8_t humidity_int;
     uint8_t humidity_dec;
     uint8_t temp_int;
     uint8_t temp_dec;
     uint8_t checksum;
+    bool valid;
 } dht11_data_t;
+
+/**
+ * @brief Initialize the DHT11 data pin and idle the sensor high.
+ * @param void No parameters.
+ * @return void No return value.
+ */
 void dht11_init(void);
+
+/**
+ * @brief Perform a single-wire DHT11 read into the reading cache.
+ * @param void No parameters.
+ * @return dht11_data_t* Pointer to the current sensor reading.
+ */
 dht11_data_t* dht11_read(void);
-#endif
+
+#endif // DHT11_H