RFM69: Fix compiler warnings (#1020)

Author: tekka007

drivers/RFM69/new/RFM69_new.cpp

@@ -1259,13 +1259,13 @@ LOCAL void RFM69_readAllRegs(void)
 			capVal = (regVal >> 2) & 0x7;
 			if (capVal == 0b000) {
 				RFM69_DEBUG(PSTR("RFM69:DUMP:Mode : 000 -> Sleep mode (SLEEP)\n"));
-			} else if (capVal = 0b001) {
+			} else if (capVal == 0b001) {
 				RFM69_DEBUG(PSTR("RFM69:DUMP:Mode : 001 -> Standby mode (STDBY)\n"));
-			} else if (capVal = 0b010) {
+			} else if (capVal == 0b010) {
 				RFM69_DEBUG(PSTR("RFM69:DUMP:Mode : 010 -> Frequency Synthesizer mode (FS)\n"));
-			} else if (capVal = 0b011) {
+			} else if (capVal == 0b011) {
 				RFM69_DEBUG(PSTR("RFM69:DUMP:Mode : 011 -> Transmitter mode (TX)\n"));
-			} else if (capVal = 0b100) {
+			} else if (capVal == 0b100) {
 				RFM69_DEBUG(PSTR("RFM69:DUMP:Mode : 100 -> Receiver Mode (RX)\n"));
 			} else {
 				RFM69_DEBUG(PSTR("RFM69:DUMP:Mode : %d capVal \n"), capVal);

drivers/RFM69/new/RFM69_new.h

@@ -518,6 +518,12 @@ LOCAL rfm69_RSSI_t RFM69_readRSSI(bool forceTrigger = false);
 */
 LOCAL void RFM69_ATCmode(const bool onOff, const int16_t targetRSSI = RFM69_TARGET_RSSI_DBM);
 
+#ifdef MY_DEBUG_VERBOSE_RFM69_REGISTERS
+/**
+* @brief RFM69_readAllRegs Read and display RFM69 register contents
+*/
+LOCAL void RFM69_readAllRegs(void);
+#endif
 // ************************  LISTENMODE SECTION   ************************
 
 #if defined(MY_RFM69_ENABLE_LISTENMODE)