delayMicros for extraWake, some type static casts

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

Author: SRGDamia1

src/SDI12.cpp

@@ -385,7 +385,7 @@ void SDI12::wakeSensors(int8_t extraWakeTime) {
   digitalWrite(_dataPin, HIGH);  // break is HIGH
   delayMicroseconds(
     SDI12_LINE_BREAK_MICROS);   // Required break of 12 milliseconds (12,000 µs)
-  delay(extraWakeTime);         // allow the sensors to wake
+  delayMicroseconds(extraWakeTime * 1000);  // allow the sensors to wake
   digitalWrite(_dataPin, LOW);  // marking is LOW
   delayMicroseconds(
     SDI12_LINE_MARK_MICROS);  // Required marking of 8.33 milliseconds(8,333 µs)

src/SDI12.h

@@ -156,7 +156,7 @@ typedef const __FlashStringHelper* FlashString;
  * digits + the decimal point))
  * - The polarity symbol (+ or -) acts as a delimeter between the numeric values
  */
-#define SDI12_VALUE_STR_SIZE
+#define SDI12_VALUE_STR_SIZE 9
 /**
  * @brief The maximum length of a standard data command response
  *

src/SDI12_boards.cpp

@@ -26,7 +26,9 @@ uint16_t SDI12Timer::mul8x8to16(uint8_t x, uint8_t y) {
 #if TIMER_INT_SIZE == 8
 uint16_t SDI12Timer::bitTimes(sdi12timer_t dt) {
   // multiply the time delta in ticks by the bits per tick
-  return mul8x8to16(dt + RX_WINDOW_FUDGE, BITS_PER_TICK_Q10) >> 10;
+  return mul8x8to16(dt + static_cast<uint8_t>(RX_WINDOW_FUDGE),
+                    static_cast<uint8_t>(BITS_PER_TICK_Q10)) >>
+    10;
 }
 
 // But nothing fancy for bigger timers