add hhkb bluetooth functionality (rn42) (#2693)

* add hhkb bluetooth functionality (rn42)

pretty much straight from tmk

some minor changes to make things work

* hhkb jp personal keymap

* Revert "hhkb jp personal keymap"

This reverts commit 886713d8bb98572f03110f285706a8140a083892.

1 files changed, 30 insertions, 0 deletions

diff --git a/keyboards/hhkb/rn42/rn42.h b/keyboards/hhkb/rn42/rn42.h
new file mode 100644
index 000000000..dee214cc8
--- /dev/null
+++ b/keyboards/hhkb/rn42/rn42.h
@@ -0,0 +1,30 @@
+#ifndef RN42_H
+#define RN42_H
+
+#include <stdbool.h>
+#include "host_driver.h"
+
+host_driver_t rn42_driver;
+host_driver_t rn42_config_driver;
+
+void rn42_init(void);
+int16_t rn42_getc(void);
+const char *rn42_gets(uint16_t timeout);
+void rn42_putc(uint8_t c);
+void rn42_puts(char *s);
+bool rn42_autoconnecting(void);
+void rn42_autoconnect(void);
+void rn42_disconnect(void);
+bool rn42_rts(void);
+void rn42_cts_hi(void);
+void rn42_cts_lo(void);
+bool rn42_linked(void);
+void rn42_set_leds(uint8_t l);
+
+const char *rn42_send_command(const char *cmd);
+void rn42_send_str(const char *str);
+void rn42_print_response(void);
+#define SEND_STR(str)       rn42_send_str(PSTR(str))
+#define SEND_COMMAND(cmd)   rn42_send_command(PSTR(cmd))
+
+#endif