DM: update pwms for samd51

Author: deanm1278

cores/arduino/wiring_analog.c

@@ -421,7 +421,13 @@ void analogWrite(uint32_t pin, uint32_t value)
       } else
       #endif
       {
+
+#if defined(__SAMD51__)
+          //on SAMD51 we are only using TCC for timers
+          pinPeripheral(pin, PIO_TCC_PDEC);
+#else
         pinPeripheral(pin, PIO_TIMER);
+#endif
       }
     } else {
       // We suppose that attr has PIN_ATTR_TIMER_ALT bit set...

variants/metro_m4/variant.cpp

@@ -31,12 +31,12 @@ const PinDescription g_APinDescription[]=
 
   // 2..12
   // Digital Low
-  { PORTB,  17, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH5, NOT_ON_TIMER, NOT_AN_INTERRUPT },
-  { PORTB,  16, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH4, NOT_ON_TIMER, EXTERNAL_INT_10 },
-  { PORTB,  13, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH1, NOT_ON_TIMER, EXTERNAL_INT_12 },
-  { PORTB,  14, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH2, NOT_ON_TIMER, EXTERNAL_INT_14 },
-  { PORTB,  15, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH3, NOT_ON_TIMER, EXTERNAL_INT_15 },
-  { PORTB,  12, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM0_CH0, NOT_ON_TIMER, EXTERNAL_INT_14 },
+  { PORTB,  17, PIO_TCC_PDEC, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH5, NOT_ON_TIMER, NOT_AN_INTERRUPT },
+  { PORTB,  16, PIO_TCC_PDEC, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH4, NOT_ON_TIMER, EXTERNAL_INT_10 },
+  { PORTB,  13, PIO_TCC_PDEC, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH1, NOT_ON_TIMER, EXTERNAL_INT_12 },
+  { PORTB,  14, PIO_TCC_PDEC, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH2, NOT_ON_TIMER, EXTERNAL_INT_14 },
+  { PORTB,  15, PIO_TCC_PDEC, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH3, NOT_ON_TIMER, EXTERNAL_INT_15 },
+  { PORTB,  12, PIO_TCC_PDEC, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM|PIN_ATTR_TIMER), No_ADC_Channel, PWM0_CH0, NOT_ON_TIMER, EXTERNAL_INT_14 },
 
   // Digital High
   { PORTA,  21, PIO_TIMER_ALT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), No_ADC_Channel, PWM1_CH5, NOT_ON_TIMER, EXTERNAL_INT_0 },

variants/metro_m4/variant.h

@@ -189,7 +189,6 @@ static const uint8_t SCL = PIN_WIRE_SCL;
 #define I2S_DEVICE          0
 #define I2S_CLOCK_GENERATOR 3
 
-//TODO: these
 #define PIN_I2S_SDO          (8u)
 #define PIN_I2S_SDI          (1u)
 #define PIN_I2S_SCK         (3u)
@@ -204,6 +203,21 @@ static const uint8_t SCL = PIN_WIRE_SCL;
 #define PIN_QSPI_IO2	(44u)
 #define PIN_QSPI_IO3	(45u)
 
+//PCC Pins
+#define PIN_PCC_DEN1    (13u)
+#define PIN_PCC_DEN2    (PIN_SPI_SCK)
+#define PIN_PCC_CLK     (PIN_SPI_MISO)
+#define PIN_PCC_D0      (13u)
+#define PIN_PCC_D1      (12u)
+#define PIN_PCC_D2      (10u)
+#define PIN_PCC_D3      (11u)
+#define PIN_PCC_D4      (9u)
+#define PIN_PCC_D5      (8u)
+#define PIN_PCC_D6      (1u)
+#define PIN_PCC_D7      (0u)
+#define PIN_PCC_D8      (5u)
+#define PIN_PCC_D9      (6u)
+
 //TODO: meaningful value for this
 #define VARIANT_QSPI_BAUD_DEFAULT 5000000