X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fsamd21%2Fsamd21.h;h=b101c6b9f3e97c100d803a3c3d938f88a254bb56;hb=560767497057c08a6fc3bc24aaba23a8d6192259;hp=91ad52bf0f24718d25320f8d2d5b0407ce2f9a53;hpb=7bcde16c96f05595969bceef76905aa2e285c66b;p=fw%2Faltos

diff --git a/src/samd21/samd21.h b/src/samd21/samd21.h
index 91ad52bf..b101c6b9 100644
--- a/src/samd21/samd21.h
+++ b/src/samd21/samd21.h
@@ -777,6 +777,16 @@ samd21_port_pmux_set(struct samd21_port *port, uint8_t pin, uint8_t func)
 			       (1 << SAMD21_PORT_PINCFG_PMUXEN));
 }
 
+static inline uint8_t
+samd21_port_pmux_get(struct samd21_port *port, uint8_t pin)
+{
+	uint8_t	byte = pin >> 1;
+	uint8_t bit = (pin & 1) << 2;
+	uint8_t mask = 0xf << bit;
+	uint8_t value = (uint8_t) ((port->pmux[byte] & mask) >> bit);
+	return value;
+}
+
 static inline void
 samd21_port_pmux_clr(struct samd21_port *port, uint8_t pin)
 {
@@ -1600,7 +1610,14 @@ extern struct samd21_sercom samd21_sercom5;
 #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