diff --git a/STM32F1XX/libraries/SPI/src/SPI.cpp b/STM32F1XX/libraries/SPI/src/SPI.cpp
index 6f778f0..c61efa4 100644
--- a/STM32F1XX/libraries/SPI/src/SPI.cpp
+++ b/STM32F1XX/libraries/SPI/src/SPI.cpp
@@ -114,7 +114,7 @@ void SPIClass::begin(SPIFrequency frequency, uint32 bitOrder, uint32 mode) {
     enable_device(this->spi_d, true, frequency, end, m);
 
 
-//	digitalWrite(BOARD_SPI_DEFAULT_SS,LOW);// Roger Clark. added
+	//digitalWrite(BOARD_SPI_DEFAULT_SS,LOW);// Roger Clark. added
 	
 }
 
@@ -161,7 +161,7 @@ void SPIClass::beginTransaction(uint8_t pin, SPISettings settings)
 {
 	_SSPin=pin;
 	pinMode(_SSPin,OUTPUT);
-	digitalWrite(_SSPin,LOW);
+//	digitalWrite(_SSPin,LOW);
 #if 0
 // code from SAM core	
 	uint8_t mode = interruptMode;
@@ -187,7 +187,7 @@ void SPIClass::beginTransaction(uint8_t pin, SPISettings settings)
 
 void SPIClass::endTransaction(void)
 {
-	digitalWrite(_SSPin,HIGH);
+//	digitalWrite(_SSPin,HIGH);
 #if false
 // code from SAM core
 	uint8_t mode = interruptMode;
diff --git a/STM32F1XX/system/libmaple/spi.c b/STM32F1XX/system/libmaple/spi.c
index dd27e7d..6821697 100644
--- a/STM32F1XX/system/libmaple/spi.c
+++ b/STM32F1XX/system/libmaple/spi.c
@@ -110,7 +110,8 @@ uint32 spi_tx(spi_dev *dev, const void *buf, uint32 len) {
  */
 void spi_peripheral_enable(spi_dev *dev) {
     bb_peri_set_bit(&dev->regs->CR1, SPI_CR1_SPE_BIT, 1);
-	// Roger clark. attempt to use hardware slave select . didnt work bb_peri_set_bit(&dev->regs->CR2, SPI_CR2_SSOE_BIT, 1);
+	// Roger clark. attempt to use hardware slave select . didnt work 
+	//bb_peri_set_bit(&dev->regs->CR2, SPI_CR2_SSOE_BIT, 1);
 }
 
 /**
@@ -119,7 +120,8 @@ void spi_peripheral_enable(spi_dev *dev) {
  */
 void spi_peripheral_disable(spi_dev *dev) {
     bb_peri_set_bit(&dev->regs->CR1, SPI_CR1_SPE_BIT, 0);
-	// Roger clark. attempt to use hardware slave select . didnt work bb_peri_set_bit(&dev->regs->CR2, SPI_CR2_SSOE_BIT, 0);
+	// Roger clark. attempt to use hardware slave select . didnt work 
+	//bb_peri_set_bit(&dev->regs->CR2, SPI_CR2_SSOE_BIT, 0);
 }
 
 /**