samd21: Stub out exti code

[fw/altos] / src / samd21 / samd21.h

diff --git a/src/samd21/samd21.h b/src/samd21/samd21.h
index cd9d2d3464f296d2f3fcd7263eb106505995086a..331fb7233ba4e17de39db6be7379f3dac904d174 100644 (file)
--- a/src/samd21/samd21.h
+++ b/src/samd21/samd21.h
@@ -1373,6 +1373,28 @@ samd21_usb_ep_curbk(uint8_t ep)
        return (samd21_usb.ep[ep].epstatus >> SAMD21_USB_EP_EPSTATUS_CURBK) & 1;
 }
 
+/* evsys */
+
+struct samd21_evsys {
+       vuint8_t        ctrl;
+       vuint8_t        reserved_01;
+       vuint16_t       reserved_02;
+       vuint32_t       channel;
+       vuint16_t       user;
+       vuint16_t       reserved_0a;
+       vuint32_t       chstatus;
+
+       vuint32_t       intenclr;
+       vuint32_t       intenset;
+       vuint32_t       intflag;
+};
+
+extern struct samd21_evsys samd21_evsys;
+
+#define SAMD21_NUM_EVSYS       16
+
+#define samd21_evsys   (*(struct samd21_evsys *) 0x42000400)
+
 /* sercom */
 
 struct samd21_sercom {