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https://github.com/bluekitchen/btstack.git
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raspi: support for Pi 3 A+/B+, power cycle only controller without flowcontrol
This commit is contained in:
Matthias Ringwald
parent
5e947511ef
commit
c41e99220e
@ -39,18 +39,21 @@
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// *****************************************************************************
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//
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// minimal setup for HCI code
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// Port for Rasperry Pi with built-in BCM chipset via H4 or H5
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//
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// *****************************************************************************
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#include <stdint.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <termios.h>
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#include <unistd.h>
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#include "btstack_config.h"
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@ -88,54 +91,61 @@ static hci_transport_config_uart_t transport_config = {
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NULL,
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};
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static btstack_uart_config_t uart_config;
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#include <sys/stat.h>
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#include <fcntl.h>
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static int main_argc;
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static const char ** main_argv;
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#include <termios.h>
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static btstack_packet_callback_registration_t hci_event_callback_registration;
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#define TLV_DB_PATH_PREFIX "/tmp/btstack_"
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#define TLV_DB_PATH_POSTFIX ".tlv"
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static char tlv_db_path[100];
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static const btstack_tlv_t * tlv_impl;
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static btstack_tlv_posix_t tlv_context;
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static int raspi_speed_to_baud(speed_t baud)
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{
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switch (baud) {
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case B9600:
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return 9600;
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case B19200:
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return 19200;
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case B38400:
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return 38400;
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case B57600:
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return 57600;
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case B115200:
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return 115200;
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case B230400:
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return 230400;
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case B460800:
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return 460800;
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case B500000:
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return 500000;
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case B576000:
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return 576000;
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case B921600:
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return 921600;
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case B1000000:
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return 1000000;
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case B1152000:
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return 1152000;
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case B1500000:
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return 1500000;
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case B2000000:
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return 2000000;
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case B2500000:
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return 2500000;
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case B3000000:
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return 3000000;
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case B3500000:
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return 3500000;
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case B4000000:
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return 4000000;
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default:
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return -1;
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case B9600:
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return 9600;
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case B19200:
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return 19200;
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case B38400:
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return 38400;
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case B57600:
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return 57600;
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case B115200:
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return 115200;
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case B230400:
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return 230400;
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case B460800:
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return 460800;
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case B500000:
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return 500000;
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case B576000:
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return 576000;
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case B921600:
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return 921600;
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case B1000000:
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return 1000000;
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case B1152000:
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return 1152000;
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case B1500000:
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return 1500000;
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case B2000000:
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return 2000000;
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case B2500000:
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return 2500000;
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case B3000000:
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return 3000000;
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case B3500000:
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return 3500000;
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case B4000000:
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return 4000000;
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default:
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return -1;
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}
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}
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@ -164,19 +174,6 @@ static void raspi_get_terminal_params( hci_transport_config_uart_t *tc )
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}
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}
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static btstack_uart_config_t uart_config;
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static int main_argc;
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static const char ** main_argv;
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static btstack_packet_callback_registration_t hci_event_callback_registration;
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#define TLV_DB_PATH_PREFIX "/tmp/btstack_"
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#define TLV_DB_PATH_POSTFIX ".tlv"
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static char tlv_db_path[100];
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static const btstack_tlv_t * tlv_impl;
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static btstack_tlv_posix_t tlv_context;
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static void sigint_handler(int param){
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UNUSED(param);
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@ -301,44 +298,39 @@ int main(int argc, const char * argv[]){
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// pick serial port and configure uart block driver
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transport_config.device_name = "/dev/serial1";
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raspi_get_terminal_params( &transport_config );
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// derive bd_addr from serial number
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bd_addr_t addr = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66 };
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raspi_get_bd_addr(addr);
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// set UART config based on raspi Bluetooth UART type
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int bt_reg_en_pin = -1;
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switch (raspi_get_bluetooth_uart_type()){
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case UART_INVALID:
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fprintf(stderr, "can't verify HW uart, %s\n", strerror( errno ) );
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return -1;
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case UART_SOFTWARE_NO_FLOW:
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// ??
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printf("H5, BT_REG_EN at GPIO 128\n");
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bt_reg_en_pin = 128;
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transport_config.baudrate_main = 460800;
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transport_config.flowcontrol = 0;
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btstack_control_raspi_set_bt_reg_en_pin(128);
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transport_config.flowcontrol = 0;
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break;
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case UART_HARDWARE_NO_FLOW:
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// Raspberry Pi 3 A
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// Raspberry Pi 3 B
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printf("H5, BT_REG_EN at GPIOO 128\n");
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bt_reg_en_pin = 128;
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transport_config.baudrate_main = 921600;
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transport_config.flowcontrol = 0;
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btstack_control_raspi_set_bt_reg_en_pin(128);
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transport_config.flowcontrol = 0;
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break;
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case UART_HARDWARE_FLOW:
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// Raspberry Pi Zero W
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// Raspberry Pi 3A+ vgpio 129 but WLAN + BL
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// Raspberry Pi 3B+ vgpio 129 but WLAN + BL
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transport_config.baudrate_main = 3000000;
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transport_config.flowcontrol = 1;
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printf("H4, BT_REG_EN at GPIO 45\n");
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btstack_control_raspi_set_bt_reg_en_pin(45);
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bt_reg_en_pin = 45;
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transport_config.baudrate_main = 921600;
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transport_config.flowcontrol = 1;
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break;
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}
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printf("Hardware UART %s flowcontrol, %d baud\n",
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transport_config.flowcontrol?"with":"without", transport_config.baudrate_main );
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printf("%s, %u, BT_REG_EN at GPIO %u\n", transport_config.flowcontrol ? "H4":"H5", transport_config.baudrate_main, bt_reg_en_pin);
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// get BCM chipset driver
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const btstack_chipset_t * chipset = btstack_chipset_bcm_instance();
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@ -381,18 +373,28 @@ int main(int argc, const char * argv[]){
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main_argc = argc;
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main_argv = argv;
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// power cycle Bluetooth controller
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btstack_control_t *control = btstack_control_raspi_get_instance();
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control->init(NULL);
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control->off();
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usleep( 100000 );
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control->on();
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// for h4, we're done
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if (transport_config.flowcontrol){
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// setup app
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// re-use current terminal speed
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raspi_get_terminal_params( &transport_config );
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// with flowcontrol, we use h4 and are done
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btstack_main(main_argc, main_argv);
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} else {
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// power cycle Bluetooth controller on older models without flowcontrol
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printf("Power Cycle Controller\n");
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btstack_control_raspi_set_bt_reg_en_pin(bt_reg_en_pin);
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btstack_control_t *control = btstack_control_raspi_get_instance();
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control->init(NULL);
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control->off();
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usleep( 100000 );
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control->on();
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// assume BCM4343W used in Pi 3 A/B. Pi 3 A/B+ have a newer controller but support H4 with Flowcontrol
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btstack_chipset_bcm_set_device_name("BCM43430A1");
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// phase #1 download firmware
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printf("Phase 1: Download firmware\n");
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