fix for rev B hardware

cc @BlitzCityDIY

Author: ladyada

variants/trrstrinkey_m0/variant.cpp

@@ -42,8 +42,13 @@ const PinDescription g_APinDescription[]=
   // Internal NeoPixel / D6
   { PORTA, 1, PIO_ANALOG, PIN_ATTR_ANALOG, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE },
 
+  // QT SDA D7
+  { PORTA,  8, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel16, PWM0_CH0, TCC0_CH0, EXTERNAL_INT_NMI },  // TCC0/WO[0]
 
-  // USB pins D7, D8, D9
+  // QT SCL D8
+  { PORTA,  9, PIO_SERCOM_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), ADC_Channel17, PWM0_CH1, TCC0_CH1, EXTERNAL_INT_9 }, // TCC0/WO[1]
+
+  // USB pins D9, D10, D11
   { PORTA, 28, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB Host enable
   { PORTA, 24, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DM
   { PORTA, 25, PIO_COM, PIN_ATTR_NONE, No_ADC_Channel, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_NONE }, // USB/DP

variants/trrstrinkey_m0/variant.h

@@ -129,22 +129,29 @@ static const uint8_t SCK  = PIN_SPI_SCK;
 /*
  * Wire Interfaces, fake just for compilation
  */
-#define WIRE_INTERFACES_COUNT 1
+#define WIRE_INTERFACES_COUNT 2
 
-#define PIN_WIRE_SDA         PIN_RING2
-#define PIN_WIRE_SCL         PIN_SLEEVE
-#define PERIPH_WIRE          sercom0
-#define WIRE_IT_HANDLER      SERCOM0_Handler
+// QT Port
+#define PIN_WIRE_SDA         (7ul)
+#define PIN_WIRE_SCL         (8ul)
+#define PERIPH_WIRE          sercom2
+#define WIRE_IT_HANDLER      SERCOM2_Handler
+
+// second, sekret I2C on the headphone jack
+#define PIN_WIRE1_SDA         PIN_RING2
+#define PIN_WIRE1_SCL         PIN_SLEEVE
+#define PERIPH_WIRE1          sercom0
+#define WIRE1_IT_HANDLER      SERCOM0_Handler
 
 static const uint8_t SDA = PIN_WIRE_SDA;
 static const uint8_t SCL = PIN_WIRE_SCL;
 
 /*
  * USB
  */
-#define PIN_USB_HOST_ENABLE (7ul)
-#define PIN_USB_DM          (8ul)
-#define PIN_USB_DP          (9ul)
+#define PIN_USB_HOST_ENABLE (9ul)
+#define PIN_USB_DM          (10ul)
+#define PIN_USB_DP          (11ul)
 /*
  * I2S Interfaces
  */