1 files changed, 98 insertions, 0 deletions
diff --git a/src/drivers/ao_rn4678.h b/src/drivers/ao_rn4678.h
new file mode 100644
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+++ b/src/drivers/ao_rn4678.h
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+/*
+ * Copyright © 2017 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef _AO_RN4678_H_
+#define _AO_RN4678_H_
+
+/* From the rn4678 pictail board
+
+    1	SW_BTN	0-off/1-on	 2	P2_0	1-app/0-test (boot time)
+    3	P2_4	1-app/0-WF	 4	EAN	0-app/1-WF (reboots)
+    5				 6	RTS	0
+    7				 8	P3_2	1 (NC)
+    9	TXD			10	P3_3	1 (NC)
+   11	RXD			12	P3_4	1 (NC)
+   13				14
+   15				16	P3_7	1 (NC)
+   17	P0_5	1 (NC)		18	RST_N	1 run/0 reset
+   19	WAKE_UP	1 run/0 btn	20
+   21	P0_4	0 (NC)		22
+   23	P1_5	1 (NC)		24	P3_1	1 (NC)
+   25	CTS	0		26	3.3V
+   27				28	GND
+
+
+   Interesting pins:
+
+   Not connected to microcontroller:
+
+   SW_BTN	0-off		1-on
+   P2_4		0 write-flash	1-app
+   WAKE_UP	0-stop		1-run
+   P2_0		0 test		1-run
+   EAN		1-WF (reboots)	0-run
+   RST_N	0 reset		1 run
+
+   Connected to microcontroller:
+
+   CTS		mostly 0
+   RTS		mostly 1
+
+   TXD
+   RXD
+
+   Other connections -- LDO33_O to VDD_IO
+
+*/
+
+#define AO_RN_REBOOT_MSG	"%REBOOT%"
+
+#define AO_RN_CMD_TIMEOUT	AO_MS_TO_TICKS(200)
+
+#define AO_RN_REBOOT_TIMEOUT	AO_MS_TO_TICKS(2000)
+
+#define AO_RN_MAX_REPLY_LEN	10
+
+#define AO_RN_SET_NAME_CMD		"SN,"
+#define AO_RN_GET_NAME_CMD		"GN"
+
+#define AO_RN_SET_STATUS_STRING	"SO,"
+#define AO_RN_STATUS_STRING_DISABLE	" "
+
+#define AO_RN_REBOOT_CMD		"R,1"
+
+#define AO_RN_TIMEOUT	-1
+#define AO_RN_ERROR	0
+#define AO_RN_OK	1
+
+#define AO_RN_SET_COMMAND_PIN	"SX,07,0B"
+
+#define AO_RN_SET_AUTH_JUST_WORKS	"SA,2"
+#define AO_RN_SET_FAST_MODE		"SQ,9000"
+
+/* This pin is configured to control cmd/data mode */
+#define AO_RN_CMD_PORT	AO_RN_P3_7_PORT
+#define AO_RN_CMD_PIN	AO_RN_P3_7_PIN
+
+#define AO_RN_CMD_CMD	0
+#define AO_RN_CMD_DATA	1
+
+/* This pin indicates BT connection status */
+#define AO_RN_CONNECTED_PORT	AO_RN_P1_5_PORT
+#define AO_RN_CONNECTED_PIN	AO_RN_P1_5_PIN
+
+void
+ao_rn4678_init(void);
+
+#endif /* _AO_RN_H_ */