port: raspi port using h5

port/raspi/.gitignore

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+ancs_client_demo
+ancs_client_demo.h
+ble_central_test
+ble_peripheral
+ble_peripheral_sm_minimal
+ble_peripheral_test
+bluetooth_init_cc2560B_1.2_BT_Spec_4.0.c
+bnep_test
+classic_test
+gap_dedicated_bonding
+gap_inquiry
+gap_inquiry_and_bond
+gap_le_advertisements
+gatt_battery_query
+gatt_browser
+hfp_ag_demo
+hfp_hf_demo
+hsp_ag_demo
+hsp_ag_test
+hsp_hs_demo
+hsp_hs_test
+l2cap_test
+le_counter
+le_counter.h
+le_streamer
+le_streamer.h
+led_counter
+profile.h
+sm_pairing_central.h
+sdp_bnep_query
+sdp_general_query
+sdp_rfcomm_query
+spp_and_le_counter
+spp_and_le_counter.h
+spp_counter
+spp_streamer
+*.hcd

port/raspi/Makefile

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+# Makefile for Raspberry Pi
+BTSTACK_ROOT = ../..
+
+CORE += \
+	btstack_chipset_bcm.c \
+	btstack_chipset_bcm_download_firmware.c \
+	btstack_link_key_db_fs.c \
+	btstack_run_loop_posix.c \
+	btstack_uart_block_posix.c \
+	btstack_slip.c \
+	hci_transport_h5.c \
+	le_device_db_fs.c \
+	main.c \
+	wav_util.c 					\
+	btstack_stdin_posix.c \
+
+# examples
+include ${BTSTACK_ROOT}/example/Makefile.inc
+
+# use (cross)compiler for Raspi
+CC = arm-linux-gnueabihf-gcc
+
+CFLAGS  += -g -Wall -Werror \
+	-I$(BTSTACK_ROOT)/platform/embedded \
+	-I$(BTSTACK_ROOT)/platform/posix \
+	-I$(BTSTACK_ROOT)/chipset/bcm \
+	-I${BTSTACK_ROOT}/3rd-party/tinydir
+
+VPATH += ${BTSTACK_ROOT}/platform/posix
+VPATH += ${BTSTACK_ROOT}/platform/embedded
+
+VPATH += ${BTSTACK_ROOT}/chipset/bcm	
+
+# use pkg-config for portaudio
+# CFLAGS  += $(shell pkg-config portaudio-2.0 --cflags) -DHAVE_PORTAUDIO
+# LDFLAGS += $(shell pkg-config portaudio-2.0 --libs)
+# hard coded flags for portaudio in /usr/local/lib
+# 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}

port/raspi/btstack_config.h

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+//
+// btstack_config.h for generic POSIX H4 port
+//
+
+#ifndef __BTSTACK_CONFIG
+#define __BTSTACK_CONFIG
+
+// Port related features
+#define HAVE_MALLOC
+#define HAVE_POSIX_FILE_IO
+#define HAVE_BTSTACK_STDIN
+#define HAVE_POSIX_TIME
+
+// BTstack features that can be enabled
+#define ENABLE_BLE
+#define ENABLE_CLASSIC
+#define ENABLE_HFP_WIDE_BAND_SPEECH
+#define ENABLE_LE_CENTRAL
+#define ENABLE_LE_PERIPHERAL
+#define ENABLE_LE_SECURE_CONNECTIONS
+#define ENABLE_MICRO_ECC_FOR_LE_SECURE_CONNECTIONS
+#define ENABLE_LE_DATA_CHANNELS
+#define ENABLE_LE_DATA_LENGTH_EXTENSION
+#define ENABLE_LOG_ERROR
+#define ENABLE_LOG_INFO 
+#define ENABLE_SCO_OVER_HCI
+#define ENABLE_SDP_DES_DUMP
+
+// BTstack configuration. buffers, sizes, ...
+#define HCI_INCOMING_PRE_BUFFER_SIZE 14 // sizeof benep heade, avoid memcpy
+#define HCI_ACL_PAYLOAD_SIZE (1691 + 4)
+
+#endif
+

port/raspi/main.c

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+/*
+ * Copyright (C) 2014 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__ "main.c"
+
+// *****************************************************************************
+//
+// minimal setup for HCI code
+//
+// *****************************************************************************
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <signal.h>
+
+#include "btstack_config.h"
+
+#include "btstack_debug.h"
+#include "btstack_event.h"
+#include "btstack_link_key_db_fs.h"
+#include "btstack_memory.h"
+#include "btstack_run_loop.h"
+#include "btstack_run_loop_posix.h"
+#include "bluetooth_company_id.h"
+#include "hci.h"
+#include "hci_dump.h"
+#include "btstack_stdin.h"
+
+#include "btstack_chipset_bcm.h"
+#include "btstack_chipset_bcm_download_firmware.h"
+
+int btstack_main(int argc, const char * argv[]);
+
+
+static hci_transport_config_uart_t transport_config = {
+    HCI_TRANSPORT_CONFIG_UART,
+    115200,
+    460800,  // main baudrate
+    0,       // flow control
+    NULL,
+};
+static btstack_uart_config_t uart_config;
+
+static int main_argc;
+static const char ** main_argv;
+
+static btstack_packet_callback_registration_t hci_event_callback_registration;
+
+static void sigint_handler(int param){
+    UNUSED(param);
+
+    printf("CTRL-C - SIGINT received, shutting down..\n");   
+    log_info("sigint_handler: shutting down");
+
+    // reset anyway
+    btstack_stdin_reset();
+
+    // power down
+    hci_power_control(HCI_POWER_OFF);
+    hci_close();
+    log_info("Good bye, see you.\n");    
+    exit(0);
+}
+
+static int led_state = 0;
+void hal_led_toggle(void){
+    led_state = 1 - led_state;
+    printf("LED State %u\n", led_state);
+}
+
+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));
+            break;
+        default:
+            break;
+    }
+}
+
+static void phase2(int status);
+int main(int argc, const char * argv[]){
+
+    /// GET STARTED with BTstack ///
+    btstack_memory_init();
+
+    // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT
+    const char * pklg_path = "/tmp/hci_dump.pklg";
+    hci_dump_open(pklg_path, HCI_DUMP_PACKETLOGGER);
+    printf("Packet Log: %s\n", pklg_path);
+
+    // setup run loop
+    btstack_run_loop_init(btstack_run_loop_posix_get_instance());
+        
+    // pick serial port and configure uart block driver
+    transport_config.device_name = "/dev/serial1";
+
+    // TODO: derive BD_ADD from serial number
+    // https://github.com/RPi-Distro/pi-bluetooth/blob/master/usr/bin/btuart
+
+    // TODO: check device tree if flowcontrol is supported/connected
+    // https://github.com/RPi-Distro/pi-bluetooth/blob/master/usr/bin/btuart
+
+    // TODO: decide on baud rate based on hw flowcontrol and if hw uart (uart0) is used
+    // https://github.com/RPi-Distro/pi-bluetooth/blob/master/usr/bin/btuart
+
+    // TODO: power cycle Bluetooth module
+    // toggle interal gpio 128
+
+    // get BCM chipset driver
+    const btstack_chipset_t * chipset = btstack_chipset_bcm_instance();
+    chipset->init(&transport_config);
+
+    // set path to firmware files
+    btstack_chipset_bcm_set_hcd_folder_path("/lib/firmware");
+
+    // set chipset name
+    btstack_chipset_bcm_set_device_name("BCM43430A1");
+
+    // setup UART driver
+    const btstack_uart_block_t * uart_driver = btstack_uart_block_posix_instance();
+
+    // extract UART config from transport config
+    uart_config.baudrate    = transport_config.baudrate_init;
+    uart_config.flowcontrol = transport_config.flowcontrol;
+    uart_config.device_name = transport_config.device_name;
+    uart_driver->init(&uart_config);
+
+    // setup HCI (to be able to use bcm chipset driver)
+    const hci_transport_t * transport = hci_transport_h5_instance(uart_driver);
+    const btstack_link_key_db_t * link_key_db = btstack_link_key_db_fs_instance();
+    hci_init(transport, (void*) &transport_config);
+    hci_set_link_key_db(link_key_db);
+    hci_set_chipset(btstack_chipset_bcm_instance());
+
+    // inform about BTstack state
+    hci_event_callback_registration.callback = &packet_handler;
+    hci_add_event_handler(&hci_event_callback_registration);
+
+    // handle CTRL-c
+    signal(SIGINT, sigint_handler);
+
+    main_argc = argc;
+    main_argv = argv;
+
+    // phase #1 download firmware
+    printf("Phase 1: Download firmware\n");
+
+    // phase #2 start main app
+    btstack_chipset_bcm_download_firmware(uart_driver, transport_config.baudrate_main, &phase2);
+
+    // go
+    btstack_run_loop_execute();    
+    return 0;
+}
+
+static void phase2(int status){
+
+    if (status){
+        printf("Download firmware failed\n");
+        return;
+    }
+
+    printf("Phase 2: Main app\n");
+
+    // setup app
+    btstack_main(main_argc, main_argv);
+}
+