v1.2.1 to fix bug, etc.

### Releases v1.2.1

1. Fix `New Period` display bug. Check [random dropouts #4](khoih-prog/SAMD_Slow_PWM#4)
2. Display informational warning only when `_PWM_LOGLEVEL_` > 3
3. Update examples

examples/ISR_16_PWMs_Array/ISR_16_PWMs_Array.ino

@@ -21,7 +21,7 @@
 // These define's must be placed at the beginning before #include "ESP32_PWM.h"
 // _PWM_LOGLEVEL_ from 0 to 4
 // Don't define _PWM_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
-#define _PWM_LOGLEVEL_                4
+#define _PWM_LOGLEVEL_                3
 
 #define USING_MICROS_RESOLUTION       true    //false
 

examples/ISR_16_PWMs_Array_Complex/ISR_16_PWMs_Array_Complex.ino

@@ -21,7 +21,7 @@
 // These define's must be placed at the beginning before #include "ESP32_PWM.h"
 // _PWM_LOGLEVEL_ from 0 to 4
 // Don't define _PWM_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
-#define _PWM_LOGLEVEL_      4
+#define _PWM_LOGLEVEL_      3
 
 #define USING_MICROS_RESOLUTION       true    //false
 

examples/ISR_16_PWMs_Array_Simple/ISR_16_PWMs_Array_Simple.ino

@@ -21,7 +21,7 @@
 // These define's must be placed at the beginning before #include "ESP32_PWM.h"
 // _PWM_LOGLEVEL_ from 0 to 4
 // Don't define _PWM_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
-#define _PWM_LOGLEVEL_                4
+#define _PWM_LOGLEVEL_                3
 
 #define USING_MICROS_RESOLUTION       true    //false
 

examples/ISR_Changing_PWM/ISR_Changing_PWM.ino

@@ -21,7 +21,7 @@
 // These define's must be placed at the beginning before #include "ESP32_PWM.h"
 // _PWM_LOGLEVEL_ from 0 to 4
 // Don't define _PWM_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
-#define _PWM_LOGLEVEL_                4
+#define _PWM_LOGLEVEL_                3
 
 #define USING_MICROS_RESOLUTION       true    //false
 

examples/ISR_Modify_PWM/ISR_Modify_PWM.ino

@@ -21,7 +21,7 @@
 // These define's must be placed at the beginning before #include "ESP32_PWM.h"
 // _PWM_LOGLEVEL_ from 0 to 4
 // Don't define _PWM_LOGLEVEL_ > 0. Only for special ISR debugging only. Can hang the system.
-#define _PWM_LOGLEVEL_                4
+#define _PWM_LOGLEVEL_                3
 
 #define USING_MICROS_RESOLUTION       true    //false
 
@@ -83,19 +83,19 @@ void TimerHandler(uint alarm_num)
 uint32_t PWM_Pin    = LED_BUILTIN;
 
 // You can assign any interval for any timer here, in Hz
-float PWM_Freq1   = 1.0f;
+float PWM_Freq1   = 200.0f;   //1.0f;
 // You can assign any interval for any timer here, in Hz
-float PWM_Freq2   = 2.0f;
+float PWM_Freq2   = 100.0f;   //2.0f;
 
 // You can assign any interval for any timer here, in microseconds
 uint32_t PWM_Period1 = 1000000 / PWM_Freq1;
 // You can assign any interval for any timer here, in microseconds
 uint32_t PWM_Period2 = 1000000 / PWM_Freq2;
 
 // You can assign any duty_cycle for any PWM here, from 0-100
-float PWM_DutyCycle1  = 50.0;
+float PWM_DutyCycle1  = 1.0f;     //50.0f;
 // You can assign any duty_cycle for any PWM here, from 0-100
-float PWM_DutyCycle2  = 90.0;
+float PWM_DutyCycle2  = 5.55f;    //90.0f;
 
 // Channel number used to identify associated channel
 int channelNum;

examples/multiFileProject/multiFileProject.ino

@@ -15,8 +15,8 @@
   #error This code is intended to run on the MBED RP2040 mbed_nano or mbed_rp2040 platform! Please check your Tools->Board setting.
 #endif
 
-#define MBED_RP2040_SLOW_PWM_VERSION_MIN_TARGET      "RP2040_Slow_PWM v1.2.0"
-#define MBED_RP2040_SLOW_PWM_VERSION_MIN             1002000
+#define MBED_RP2040_SLOW_PWM_VERSION_MIN_TARGET      "RP2040_Slow_PWM v1.2.1"
+#define MBED_RP2040_SLOW_PWM_VERSION_MIN             1002001
 
 // To be included only in main(), .ino with setup() to avoid `Multiple Definitions` Linker Error
 #include "MBED_RP2040_Slow_PWM.h"