1 files changed, 25 insertions, 0 deletions
diff --git a/src/avr/misc.h b/src/avr/misc.h
new file mode 100644
index 000000000..244cd5bc8
--- /dev/null
+++ b/src/avr/misc.h
@@ -0,0 +1,25 @@
+#ifndef __AVR_MISC_H
+#define __AVR_MISC_H
+
+#include <stdint.h>
+#include <util/crc16.h>
+
+// alloc.c
+size_t alloc_maxsize(size_t reqsize);
+
+// console.c
+char *console_get_input(uint8_t *plen);
+void console_pop_input(uint8_t len);
+char *console_get_output(uint8_t len);
+void console_push_output(uint8_t len);
+
+// Optimized crc16_ccitt for the avr processor
+#define HAVE_OPTIMIZED_CRC 1
+static inline uint16_t _crc16_ccitt(char *buf, uint8_t len) {
+    uint16_t crc = 0xFFFF;
+    while (len--)
+        crc = _crc_ccitt_update(crc, *buf++);
+    return crc;
+}
+
+#endif // misc.h