fix SPI1 - tested

Author: ladyada

variants/feather_m0_express/variant.cpp

@@ -178,9 +178,9 @@ const PinDescription g_APinDescription[]=
 
   // 36..38 - Secondary SPI
   // ----------------------
-  { PORTA, 14, PIO_SERCOM,      (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_14 },  // SPI Flash MISO
-  { PORTA,  8, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NMI },   // SPI FLash MOSI
-  { PORTA,  9, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_9 }, // SPI FLash SCK
+  { PORTA, 14, PIO_SERCOM,     (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },  // SPI Flash MISO SERCOM2.2
+  { PORTA,  8, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },  // SPI Flash MOSI SERCOM2.0
+  { PORTA,  9, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL), No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },  // SPI Flash SCK  SERCOM2.1
 
   // 39 Secondary SPI SS
   { PORTA, 13, PIO_DIGITAL, PIN_ATTR_DIGITAL, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_13 }, // SPI Flash SS

variants/feather_m0_express/variant.h

@@ -155,7 +155,7 @@ static const uint8_t SCK  = PIN_SPI_SCK ;
 #define PIN_SPI1_MOSI         (37u)
 #define PIN_SPI1_SCK          (38u)
 #define PERIPH_SPI1           sercom2
-#define PAD_SPI1_TX           SPI_PAD_3_SCK_1
+#define PAD_SPI1_TX           SPI_PAD_0_SCK_1
 #define PAD_SPI1_RX           SERCOM_RX_PAD_2
 
 static const uint8_t SS1   = 39 ;	// HW SS isn't used. Set here only for reference.