integrate V-USB support into ps2_usb

1 files changed, 58 insertions, 0 deletions

diff --git a/ps2_usb/sendchar_usart.c b/ps2_usb/sendchar_usart.c
new file mode 100644
index 0000000000..fe18177a3c
--- /dev/null
+++ b/ps2_usb/sendchar_usart.c
@@ -0,0 +1,58 @@
+#include <stdint.h>
+#include "oddebug.h"
+#include "sendchar.h"
+
+
+/* from oddebug.h */
+#if defined UBRR
+#   define  ODDBG_UBRR  UBRR
+#elif defined UBRRL
+#   define  ODDBG_UBRR  UBRRL
+#elif defined UBRR0
+#   define  ODDBG_UBRR  UBRR0
+#elif defined UBRR0L
+#   define  ODDBG_UBRR  UBRR0L
+#endif
+
+#if defined UCR
+#   define  ODDBG_UCR   UCR
+#elif defined UCSRB
+#   define  ODDBG_UCR   UCSRB
+#elif defined UCSR0B
+#   define  ODDBG_UCR   UCSR0B
+#endif
+
+#if defined TXEN
+#   define  ODDBG_TXEN  TXEN
+#else
+#   define  ODDBG_TXEN  TXEN0
+#endif
+
+#if defined USR
+#   define  ODDBG_USR   USR
+#elif defined UCSRA
+#   define  ODDBG_USR   UCSRA
+#elif defined UCSR0A
+#   define  ODDBG_USR   UCSR0A
+#endif
+
+#if defined UDRE
+#   define  ODDBG_UDRE  UDRE
+#else
+#   define  ODDBG_UDRE  UDRE0
+#endif
+
+#if defined UDR
+#   define  ODDBG_UDR   UDR
+#elif defined UDR0
+#   define  ODDBG_UDR   UDR0
+#endif
+
+
+/* from oddebug.c */
+int8_t sendchar(uint8_t c)
+{
+    while(!(ODDBG_USR & (1 << ODDBG_UDRE)));    /* wait for data register empty */
+    ODDBG_UDR = c;
+    return 1;
+}