fix mic pins

Author: ladyada

variants/trellis_m4/variant.cpp

@@ -81,8 +81,8 @@ const PinDescription g_APinDescription[]=
   // --------------------
   { PORTA,  2, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel0, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_2 }, // A0
   { PORTA,  5, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel5, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_5 }, // A1
-  { PORTA,  6, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel4, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // Amp'd Mic
-  { PORTA,  7, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel6, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // Raw Mic
+  { PORTA,  6, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel6, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_4 }, // Amp'd Mic
+  { PORTA,  7, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel7, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_6 }, // Raw Mic
   { PORTB,  8, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel2, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_8 }, // SDA
   { PORTB,  9, PIO_ANALOG, PIN_ATTR_ANALOG, ADC_Channel3, NOT_ON_PWM, NOT_ON_TIMER, EXTERNAL_INT_9 }, // SCL
 

variants/trellis_m4/variant.h

@@ -97,8 +97,8 @@ extern "C"
 
 #define PIN_DAC0             PIN_A0
 #define PIN_DAC1             PIN_A1
-#define PIN_MIC_RAW          PIN_A2
-#define PIN_MIC              PIN_A3
+#define PIN_MIC              PIN_A2
+#define PIN_MIC_RAW          PIN_A3
 
 static const uint8_t A0  = PIN_A0;
 static const uint8_t A1  = PIN_A1;