posix-h4-zephyr: read static address via vendor specific command and use it

chipset/zephyr/btstack_chipset_zephyr.c

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2017 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
+ * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+#define __BTSTACK_FILE__ "btstack_chipset_zephyr.c"
+
+/*
+ *  btstack_chipset_zephyr.c
+ *
+ *  Adapter to use CSR-based chipsets with BTstack
+ *  SCO over HCI doesn't work over H4 connection and BTM805 module from Microchip Bluetooth Audio Developer Kit (CSR8811)
+ */
+
+#include "btstack_chipset_zephyr.h"
+
+#include <stddef.h>   /* NULL */
+#include <stdio.h> 
+#include <string.h>   /* memcpy */
+
+#include "btstack_control.h"
+#include "btstack_debug.h"
+#include "btstack_util.h"
+#include "hci_transport.h"
+
+// minimal Zpehyr init script to read static random address
+static const uint8_t init_script[] = { 
+    0x09, 0xfc, 0x00,
+};
+static const uint16_t init_script_size = sizeof(init_script);
+
+//
+static uint32_t init_script_offset  = 0;
+
+static void chipset_init(const void * config){
+    init_script_offset = 0;
+}
+
+static btstack_chipset_result_t chipset_next_command(uint8_t * hci_cmd_buffer){
+
+    while (1){
+
+        if (init_script_offset >= init_script_size) {
+            return BTSTACK_CHIPSET_DONE;
+        }
+
+        // copy command header
+        memcpy(&hci_cmd_buffer[0], (uint8_t *) &init_script[init_script_offset], 3); 
+        init_script_offset += 3;
+        int payload_len = hci_cmd_buffer[2];
+        // copy command payload
+        memcpy(&hci_cmd_buffer[3], (uint8_t *) &init_script[init_script_offset], payload_len);
+
+        return BTSTACK_CHIPSET_VALID_COMMAND;         
+    }
+}
+
+
+static const btstack_chipset_t btstack_chipset_zephyr = {
+    "Zephyr",
+    chipset_init,
+    chipset_next_command,
+    NULL, // chipset_set_baudrate_command,
+    NULL, // chipset_set_bd_addr_command not supported or implemented
+};
+
+// MARK: public API
+const btstack_chipset_t * btstack_chipset_zephyr_instance(void){
+    return &btstack_chipset_zephyr;
+}

chipset/zephyr/btstack_chipset_zephyr.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2017 BlueKitchen GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holders nor the names of
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ * 4. Any redistribution, use, or modification is done solely for
+ *    personal benefit and not for any commercial purpose or for
+ *    monetary gain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
+ * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Please inquire about commercial licensing options at 
+ * contact@bluekitchen-gmbh.com
+ *
+ */
+
+/*
+ *  btstack_chipset_zephyr.c
+ *
+ *  Adapter to use Zephyr-based Bluetooth Controllers with BTstack
+ */
+ 
+#ifndef __BTSTACK_CHIPSET_ZEPHYR_H
+#define __BTSTACK_CHIPSET_ZEPHYR_H
+
+#if defined __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "btstack_chipset.h"
+#include "bluetooth.h"
+	
+/**
+ * Get chipset instance for Zephyr Controllers
+ */
+const btstack_chipset_t * btstack_chipset_zephyr_instance(void);
+
+#if defined __cplusplus
+}
+#endif
+
+#endif // __BTSTACK_CHIPSET_ZEPHYR_H

port/posix-h4-zephyr/Makefile

@@ -9,7 +9,7 @@ CORE += \
 	le_device_db_fs.c \
 	main.c \
 	btstack_stdin_posix.c \
-	wav_util.c 					\
+	btstack_chipset_zephyr.c \
 
 # examples
 include ${BTSTACK_ROOT}/example/Makefile.inc
@@ -17,9 +17,11 @@ include ${BTSTACK_ROOT}/example/Makefile.inc
 CFLAGS  += -g -Wall -Werror \
 	-I$(BTSTACK_ROOT)/platform/embedded \
 	-I$(BTSTACK_ROOT)/platform/posix \
+	-I$(BTSTACK_ROOT)/chipset/zephyr \
 
 VPATH += ${BTSTACK_ROOT}/platform/posix
 VPATH += ${BTSTACK_ROOT}/platform/embedded
+VPATH += ${BTSTACK_ROOT}/chipset/zephyr
 
 # use pkg-config for portaudio
 # CFLAGS  += $(shell pkg-config portaudio-2.0 --cflags) -DHAVE_PORTAUDIO
@@ -28,5 +30,5 @@ VPATH += ${BTSTACK_ROOT}/platform/embedded
 # CFLAGS  += -I/usr/local/include -DHAVE_PORTAUDIO
 # LDFLAGS += -L/sw/lib -lportaudio -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit -Wl,-framework,Carbon
 
-all: ${EXAMPLES}
+all: ${EXAMPLES_USING_LE}
 

port/posix-h4-zephyr/main.c

@@ -61,6 +61,7 @@
 #include "hci.h"
 #include "hci_dump.h"
 #include "btstack_stdin.h"
+#include "btstack_chipset_zephyr.h"
 
 int btstack_main(int argc, const char * argv[]);
 
@@ -74,14 +75,22 @@ static hci_transport_config_uart_t config = {
 
 static btstack_packet_callback_registration_t hci_event_callback_registration;
 
+static const uint8_t read_static_address_command_complete_prefix[] = { 0x0e, 0x1b, 0x01, 0x09, 0xfc };
+static bd_addr_t static_address;
+
 static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
     bd_addr_t addr;
     if (packet_type != HCI_EVENT_PACKET) return;
     switch (hci_event_packet_get_type(packet)){
         case BTSTACK_EVENT_STATE:
             if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) break;
-            gap_local_bd_addr(addr);
-            printf("BTstack up and running at %s\n",  bd_addr_to_str(addr));
+            printf("BTstack up and running as %s\n",  bd_addr_to_str(static_address));
+            break;
+        case HCI_EVENT_COMMAND_COMPLETE:
+            if (memcmp(packet, read_static_address_command_complete_prefix, sizeof(read_static_address_command_complete_prefix)) == 0){
+                reverse_48(&packet[7], static_address);
+                gap_random_address_set(addr);
+            }
             break;
         default:
             break;
@@ -136,6 +145,7 @@ int main(int argc, const char * argv[]){
     const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
 	hci_init(transport, (void*) &config);
     hci_set_link_key_db(link_key_db);
+    hci_set_chipset(btstack_chipset_zephyr_instance());
     
     // inform about BTstack state
     hci_event_callback_registration.callback = &packet_handler;