Bump to 1.4.4

Merge pull request #191 from ondras12345/unknown-F_CPU
Fix infinite loop on STM32F103
2023-10-23 22:20:38 +03:00 · 2022-06-27 14:05:27 -04:00 · 2022-06-25 21:18:53 -04:00 · 2022-06-25 19:46:56 +02:00 · 2021-10-25 15:56:26 -04:00 · 2021-10-25 14:26:26 -04:00
3 changed files with 9 additions and 7 deletions
--- a/DHT.cpp
+++ b/DHT.cpp
@ -360,7 +360,9 @@ bool DHT::read(bool force) {
 // in the very latest IDE versions):
 //   https://github.com/arduino/Arduino/blob/master/hardware/arduino/avr/cores/arduino/wiring_pulse.c
 uint32_t DHT::expectPulse(bool level) {
-#if (F_CPU > 16000000L)
+// F_CPU is not be known at compile time on platforms such as STM32F103.
 // The preprocessor seems to evaluate it to zero in that case.
 #if (F_CPU > 16000000L) || (F_CPU == 0L)
  uint32_t count = 0;
 #else
  uint16_t count = 0; // To work fast enough on slower AVR boards
--- a/DHT.h
+++ b/DHT.h
@ -41,11 +41,11 @@
 #endif
 /* Define types of sensors. */
-#define DHT11 11  /**< DHT TYPE 11 */
+static const uint8_t DHT11{11};  /**< DHT TYPE 11 */
-#define DHT12 12  /**< DHY TYPE 12 */
+static const uint8_t DHT12{12};  /**< DHY TYPE 12 */
-#define DHT22 22  /**< DHT TYPE 22 */
+static const uint8_t DHT21{21};  /**< DHT TYPE 21 */
-#define DHT21 21  /**< DHT TYPE 21 */
+static const uint8_t DHT22{22};  /**< DHT TYPE 22 */
-#define AM2301 21 /**< AM2301 */
+static const uint8_t AM2301{21}; /**< AM2301 */
 #if defined(TARGET_NAME) && (TARGET_NAME == ARDUINO_NANO33BLE)
 #ifndef microsecondsToClockCycles
--- a/library.properties
+++ b/library.properties
@ -1,5 +1,5 @@
 name=DHT sensor library
-version=1.4.2
+version=1.4.4
 author=Adafruit
 maintainer=Adafruit <info@adafruit.com>
 sentence=Arduino library for DHT11, DHT22, etc Temp & Humidity Sensors
Author	SHA1	Message	Date
Eva Herrada	b2be3b193b	Bump to 1.4.4	2022-06-27 14:05:27 -04:00
Limor "Ladyada" Fried	5273ef06a8	Merge pull request #191 from ondras12345/unknown-F_CPU Fix infinite loop on STM32F103	2022-06-25 21:18:53 -04:00
Ondřej Sluka	2470b8a3a1	Fix infinite loop on STM32F103 When trying to read temperature from a DHT11 when the sensor was disconnected, the program would encounter an infinite loop in DHT::expectPulse, because count would keep overflowing.	2022-06-25 19:46:56 +02:00
Dylan Herrada	ce31485de7	Bump to 1.4.3	2021-10-25 15:56:26 -04:00
Limor "Ladyada" Fried	c14960c223	Merge pull request #189 from klone52/patch-1 Fix comment on DHT22 and DHT21 variables	2021-10-25 14:26:26 -04:00
Nicolas Hernandez	880538fa12	Fix comment on DHT22 and DHT21 variables	2021-10-24 21:27:23 -03:00
Limor "Ladyada" Fried	cf2346e7c1	Merge pull request #188 from phd/phd-const-sensors-types Use const instead of defines for sensors types	2021-10-23 11:46:30 -04:00
Piotr Henryk Dabrowski	bd145c5449	Use const instead of defines for sensors types	2021-10-21 10:39:47 +02:00