diff --git a/Multiprotocol/A7105_SPI.ino b/Multiprotocol/A7105_SPI.ino
index 16f5869..6a54457 100644
--- a/Multiprotocol/A7105_SPI.ino
+++ b/Multiprotocol/A7105_SPI.ino
@@ -24,10 +24,10 @@ void A7105_WriteData(uint8_t len, uint8_t channel)
 {
 	uint8_t i;
 	CS_off;
-	A7105_Write(A7105_RST_WRPTR);
-	A7105_Write(0x05);
+	spi_write(A7105_RST_WRPTR);
+	spi_write(0x05);
 	for (i = 0; i < len; i++)
-		A7105_Write(packet[i]);
+		spi_write(packet[i]);
 	CS_on;
 	A7105_WriteReg(0x0F, channel);
 	A7105_Strobe(A7105_TX);
@@ -39,64 +39,27 @@ void A7105_ReadData() {
 	CS_off;
 	A7105_Write(0x45);
 	for (i=0;i<16;i++)
-		packet[i]=A7105_Read();
+		packet[i]=spi_Read();
 	CS_on;
 }
 
 void A7105_WriteReg(uint8_t address, uint8_t data) {
 	CS_off;
-	A7105_Write(address); 
+	spi_write(address); 
 	NOP();
-	A7105_Write(data);  
+	spi_write(data);  
 	CS_on;
 } 
 
 uint8_t A7105_ReadReg(uint8_t address) { 
 	uint8_t result;
 	CS_off;
-	A7105_Write(address |=0x40);		//bit 6 =1 for reading
-	result = A7105_Read();  
+	spi_write(address |=0x40);		//bit 6 =1 for reading
+	result = spi_Read();  
 	CS_on;
 	return(result); 
 } 
 
-void A7105_Write(uint8_t command) {  
-	uint8_t n=8; 
- 
-	SCK_off;//SCK start low
-	SDI_off;
-	while(n--) {
-		if(command&0x80)
-			SDI_on;
-		else 
-			SDI_off;
-		SCK_on;
-		NOP();
-		SCK_off;
-		command = command << 1;
-	}
-	SDI_on;
-}  
-
-uint8_t A7105_Read(void) {
-	uint8_t result=0;
-	uint8_t i;
-
-	SDI_SET_INPUT;
-	for(i=0;i<8;i++) {                    
-		if(SDI_1)  ///if SDIO =1 
-			result=(result<<1)|0x01;
-		else
-			result=result<<1;
-		SCK_on;
-		NOP();
-		SCK_off;
-		NOP();
-	}
-	SDI_SET_OUTPUT;
-	return result;
-}   
-
 //------------------------
 void A7105_SetTxRxMode(uint8_t mode)
 {
@@ -131,11 +94,11 @@ uint8_t A7105_Reset()
 
 void A7105_WriteID(uint32_t ida) {
 	CS_off;
-	A7105_Write(0x06);//ex id=0x5475c52a ;txid3txid2txid1txid0
-	A7105_Write((ida>>24)&0xff);//53 
-	A7105_Write((ida>>16)&0xff);//75
-	A7105_Write((ida>>8)&0xff);//c5
-	A7105_Write((ida>>0)&0xff);//2a
+	spi_write(0x06);//ex id=0x5475c52a ;txid3txid2txid1txid0
+	spi_write((ida>>24)&0xff);//53 
+	spi_write((ida>>16)&0xff);//75
+	spi_write((ida>>8)&0xff);//c5
+	spi_write((ida>>0)&0xff);//2a
 	CS_on;
 }
 
@@ -179,7 +142,7 @@ void A7105_SetPower()
 
 void A7105_Strobe(uint8_t address) {
 	CS_off;
-	A7105_Write(address);
+	spi_write(address);
 	CS_on;
 }