fixed examples

Author: TomSaw

examples/nucleo_f042k6/spi_dma/main.cpp

@@ -33,7 +33,7 @@ int main()
 		uint8_t receiveBuffer[13];
 
 		// send out 12 bytes, don't care about response
-		Spi::transferBlocking(sendBuffer, nullptr, 12);
+		Spi::transferBlocking(sendBuffer, (uint8_t*)(nullptr), 12);
 
 		// send out 12 bytes, read in 12 bytes
 		Spi::transferBlocking(sendBuffer, receiveBuffer, 12);

examples/nucleo_f303re/spi_dma/main.cpp

@@ -33,7 +33,7 @@ int main()
 		uint8_t receiveBuffer[13];
 
 		// send out 12 bytes, don't care about response
-		Spi::transferBlocking(sendBuffer, nullptr, 12);
+		Spi::transferBlocking(sendBuffer, (uint8_t*)(nullptr), 12);
 
 		// send out 12 bytes, read in 12 bytes
 		Spi::transferBlocking(sendBuffer, receiveBuffer, 12);

examples/nucleo_l432kc/spi_dma/main.cpp

@@ -34,7 +34,7 @@ int main()
 		uint8_t receiveBuffer[13];
 
 		// send out 12 bytes, don't care about response
-		Spi::transferBlocking(sendBuffer, nullptr, 12);
+		Spi::transferBlocking(sendBuffer, (uint8_t*)(nullptr), 12);
 
 		// send out 12 bytes, read in 12 bytes
 		Spi::transferBlocking(sendBuffer, receiveBuffer, 12);

src/modm/driver/radio/sx1276_impl.hpp

@@ -173,8 +173,8 @@ Sx1276<SpiMaster, Cs>::transmit(uint8_t* data, uint8_t length)
 
 		Cs::reset();
 
-		RF_CALL(SpiMaster::transfer(buffer,nullptr,1));
-		RF_CALL(SpiMaster::transfer(data,nullptr,length));
+		RF_CALL(SpiMaster::transfer(buffer, (uint8_t*)(nullptr), 1));
+		RF_CALL(SpiMaster::transfer(data, (uint8_t*)(nullptr), length));
 
 		if(this->releaseMaster())
 		{
@@ -251,16 +251,16 @@ Sx1276<SpiMaster, Cs>::readPacket(uint8_t* data, uint8_t maxLength)
 
 			Cs::reset();
 
-			RF_CALL(SpiMaster::transfer(buffer,nullptr,1));
+			RF_CALL(SpiMaster::transfer(buffer, (uint8_t*)(nullptr), 1));
 			if(lastPacketSize > maxLength)
 			{
 				MODM_LOG_ERROR<<"SX1276: Read buffer is too small, packet discarded!"<<modm::endl;
 				//read it out anyway to clean the fifo
-				RF_CALL(SpiMaster::transfer(nullptr,nullptr,lastPacketSize));
+				RF_CALL(SpiMaster::transfer((uint8_t*)(nullptr),(uint8_t*)(nullptr),lastPacketSize));
 			}
 			else
 			{
-				RF_CALL(SpiMaster::transfer(nullptr,data,lastPacketSize));
+				RF_CALL(SpiMaster::transfer((uint8_t*)(nullptr), data, lastPacketSize));
 			}
 
 			if(this->releaseMaster())