#define SAMD21_ADC_SWTRIG_START 1
#define SAMD21_ADC_INPUTCTRL_MUXPOS 0
+# define SAMD21_ADC_INPUTCTRL_MUXPOS_TEMP 0x18
# define SAMD21_ADC_INPUTCTRL_MUXPOS_BANDGAP 0x19
# define SAMD21_ADC_INPUTCTRL_MUXPOS_SCALEDCOREVCC 0x1a
# define SAMD21_ADC_INPUTCTRL_MUXPOS_SCALEDIOVCC 0x1b
#define SAMD21_SERCOM_CTRLA_IBON 8
#define SAMD21_SERCOM_CTRLA_SAMPR 13
#define SAMD21_SERCOM_CTRLA_TXPO 16
+#define SAMD21_SERCOM_CTRLA_TXPO_TX_0 0
+#define SAMD21_SERCOM_CTRLA_TXPO_TX_2 1
+#define SAMD21_SERCOM_CTRLA_TXPO_TX_0_RTS_2_CTS_3 2
#define SAMD21_SERCOM_CTRLA_RXPO 20
+#define SAMD21_SERCOM_CTRLA_RXPO_RX_0 0
+#define SAMD21_SERCOM_CTRLA_RXPO_RX_1 1
+#define SAMD21_SERCOM_CTRLA_RXPO_RX_2 2
+#define SAMD21_SERCOM_CTRLA_RXPO_RX_3 3
#define SAMD21_SERCOM_CTRLA_SAMPA 22
#define SAMD21_SERCOM_CTRLA_FORM 24
#define SAMD21_SERCOM_CTRLA_CMODE 28