make a custom version fo rf95 class, so we can can deal with

chips that have bad version codes.

src/rf95/RadioLibRF95.cpp

@@ -0,0 +1,48 @@
+#include "RadioLibRF95.h"
+
+#define RFM95_CHIP_VERSION 0x12
+#define RFM95_ALT_VERSION 0x11 // Supposedly some versions of the chip have id 0x11
+
+RadioLibRF95::RadioLibRF95(Module *mod) : SX1278(mod) {}
+
+int16_t RadioLibRF95::begin(float freq, float bw, uint8_t sf, uint8_t cr, uint8_t syncWord, int8_t power, uint8_t currentLimit,
+                            uint16_t preambleLength, uint8_t gain)
+{
+    // execute common part
+    int16_t state = SX127x::begin(RFM95_CHIP_VERSION, syncWord, currentLimit, preambleLength);
+    if (state != ERR_NONE)
+        state = SX127x::begin(RFM95_ALT_VERSION, syncWord, currentLimit, preambleLength);
+    RADIOLIB_ASSERT(state);
+
+    // configure settings not accessible by API
+    state = config();
+    RADIOLIB_ASSERT(state);
+
+    // configure publicly accessible settings
+    state = setFrequency(freq);
+    RADIOLIB_ASSERT(state);
+
+    state = setBandwidth(bw);
+    RADIOLIB_ASSERT(state);
+
+    state = setSpreadingFactor(sf);
+    RADIOLIB_ASSERT(state);
+
+    state = setCodingRate(cr);
+    RADIOLIB_ASSERT(state);
+
+    state = setOutputPower(power);
+    RADIOLIB_ASSERT(state);
+
+    state = setGain(gain);
+
+    return (state);
+}
+
+int16_t RadioLibRF95::setFrequency(float freq)
+{
+    // RADIOLIB_CHECK_RANGE(freq, 862.0, 1020.0, ERR_INVALID_FREQUENCY);
+
+    // set frequency
+    return (SX127x::setFrequencyRaw(freq));
+}