diff options
Diffstat (limited to 'extmod/btstack')
| -rw-r--r-- | extmod/btstack/btstack.mk | 11 | ||||
| -rw-r--r-- | extmod/btstack/btstack_config.h | 1 | ||||
| -rw-r--r-- | extmod/btstack/btstack_hci_uart.c | 173 | ||||
| -rw-r--r-- | extmod/btstack/btstack_hci_uart.h | 39 | ||||
| -rw-r--r-- | extmod/btstack/modbluetooth_btstack.c | 5 | ||||
| -rw-r--r-- | extmod/btstack/modbluetooth_btstack.h | 1 |
6 files changed, 230 insertions, 0 deletions
diff --git a/extmod/btstack/btstack.mk b/extmod/btstack/btstack.mk index dd96e6337..3084601b8 100644 --- a/extmod/btstack/btstack.mk +++ b/extmod/btstack/btstack.mk @@ -38,6 +38,17 @@ CFLAGS += $(shell pkg-config libusb-1.0 --cflags) LDFLAGS += $(shell pkg-config libusb-1.0 --libs) endif +ifeq ($(MICROPY_BLUETOOTH_BTSTACK_H4),1) +SRC_BTSTACK += \ + lib/btstack/src/hci_transport_h4.c \ + lib/btstack/chipset/zephyr/btstack_chipset_zephyr.c + +EXTMOD_SRC_C += \ + extmod/btstack/btstack_hci_uart.c \ + +CFLAGS_MOD += -DMICROPY_BLUETOOTH_BTSTACK_H4=1 +endif + ifeq ($(MICROPY_BLUETOOTH_BTSTACK_ENABLE_CLASSIC),1) include $(BTSTACK_DIR)/src/classic/Makefile.inc SRC_BTSTACK += \ diff --git a/extmod/btstack/btstack_config.h b/extmod/btstack/btstack_config.h index f420f47a5..e56a84f94 100644 --- a/extmod/btstack/btstack_config.h +++ b/extmod/btstack/btstack_config.h @@ -8,6 +8,7 @@ // #define ENABLE_CLASSIC #define ENABLE_LE_DATA_CHANNELS // #define ENABLE_LOG_INFO +// #define ENABLE_LOG_DEBUG #define ENABLE_LOG_ERROR // BTstack configuration. buffers, sizes, ... diff --git a/extmod/btstack/btstack_hci_uart.c b/extmod/btstack/btstack_hci_uart.c new file mode 100644 index 000000000..5c96e02dc --- /dev/null +++ b/extmod/btstack/btstack_hci_uart.c @@ -0,0 +1,173 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 Damien P. George + * Copyright (c) 2020 Jim Mussared + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "py/runtime.h" +#include "py/mperrno.h" +#include "py/mphal.h" + +#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK + +#include "lib/btstack/src/btstack.h" + +#include "extmod/mpbthci.h" +#include "extmod/btstack/btstack_hci_uart.h" + +#include "mpbtstackport.h" + +// Implements a btstack btstack_uart_block_t on top of the mphciuart.h +// interface to an HCI UART provided by the port. + +// We pass the bytes directly to the UART during a send, but then notify btstack in the next poll. +STATIC bool send_done; +STATIC void (*send_handler)(void); + +// btstack issues a read of len bytes, and gives us a buffer to asynchronously fill up. +STATIC uint8_t *recv_buf; +STATIC size_t recv_len; +STATIC size_t recv_idx; +STATIC void (*recv_handler)(void); + +STATIC int btstack_uart_init(const btstack_uart_config_t *uart_config) { + (void)uart_config; + + send_done = false; + recv_len = 0; + recv_idx = 0; + recv_handler = NULL; + send_handler = NULL; + + // Set up the UART peripheral, attach IRQ and power up the HCI controller. + // We haven't been told the baud rate yet, so defer that until btstack_uart_set_baudrate. + mp_bluetooth_hci_uart_init(MICROPY_HW_BLE_UART_ID, 0); + mp_bluetooth_hci_controller_init(); + + return 0; +} + +STATIC int btstack_uart_open(void) { + return 0; +} + +STATIC int btstack_uart_close(void) { + mp_bluetooth_hci_controller_deinit(); + return 0; +} + +STATIC void btstack_uart_set_block_received(void (*block_handler)(void)) { + recv_handler = block_handler; +} + +STATIC void btstack_uart_set_block_sent(void (*block_handler)(void)) { + send_handler = block_handler; +} + +STATIC int btstack_uart_set_baudrate(uint32_t baudrate) { + mp_bluetooth_hci_uart_set_baudrate(baudrate); + return 0; +} + +STATIC int btstack_uart_set_parity(int parity) { + (void)parity; + return 0; +} + +STATIC int btstack_uart_set_flowcontrol(int flowcontrol) { + (void)flowcontrol; + return 0; +} + +STATIC void btstack_uart_receive_block(uint8_t *buf, uint16_t len) { + recv_buf = buf; + recv_len = len; +} + +STATIC void btstack_uart_send_block(const uint8_t *buf, uint16_t len) { + mp_bluetooth_hci_uart_write(buf, len); + send_done = true; +} + +STATIC int btstack_uart_get_supported_sleep_modes(void) { + return 0; +} + +STATIC void btstack_uart_set_sleep(btstack_uart_sleep_mode_t sleep_mode) { + (void)sleep_mode; + // printf("btstack_uart_set_sleep %u\n", sleep_mode); +} + +STATIC void btstack_uart_set_wakeup_handler(void (*wakeup_handler)(void)) { + (void)wakeup_handler; + // printf("btstack_uart_set_wakeup_handler\n"); +} + +const btstack_uart_block_t mp_bluetooth_btstack_hci_uart_block = { + &btstack_uart_init, + &btstack_uart_open, + &btstack_uart_close, + &btstack_uart_set_block_received, + &btstack_uart_set_block_sent, + &btstack_uart_set_baudrate, + &btstack_uart_set_parity, + &btstack_uart_set_flowcontrol, + &btstack_uart_receive_block, + &btstack_uart_send_block, + &btstack_uart_get_supported_sleep_modes, + &btstack_uart_set_sleep, + &btstack_uart_set_wakeup_handler, +}; + +void mp_bluetooth_btstack_hci_uart_process(void) { + bool host_wake = mp_bluetooth_hci_controller_woken(); + + if (send_done) { + // If we'd done a TX in the last interval, notify btstack that it's complete. + send_done = false; + if (send_handler) { + send_handler(); + } + } + + // Append any new bytes to the recv buffer, notifying bstack if we've got + // the number of bytes it was looking for. + int chr; + while (recv_idx < recv_len && (chr = mp_bluetooth_hci_uart_readchar()) >= 0) { + recv_buf[recv_idx++] = chr; + if (recv_idx == recv_len) { + recv_idx = 0; + recv_len = 0; + if (recv_handler) { + recv_handler(); + } + } + } + + if (host_wake) { + mp_bluetooth_hci_controller_sleep_maybe(); + } +} + +#endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_BTSTACK diff --git a/extmod/btstack/btstack_hci_uart.h b/extmod/btstack/btstack_hci_uart.h new file mode 100644 index 000000000..8011e587d --- /dev/null +++ b/extmod/btstack/btstack_hci_uart.h @@ -0,0 +1,39 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 Damien P. George + * Copyright (c) 2020 Jim Mussared + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MICROPY_INCLUDED_EXTMOD_BTSTACK_HCI_UART_H +#define MICROPY_INCLUDED_EXTMOD_BTSTACK_HCI_UART_H + +#include "lib/btstack/src/btstack.h" + +// --- Used by the port to create the HCI transport --------------------------- +extern const btstack_uart_block_t mp_bluetooth_btstack_hci_uart_block; + +// --- Called by the MicroPython port when UART data is available ------------- +void mp_bluetooth_btstack_hci_uart_process(void); + +#endif // MICROPY_INCLUDED_EXTMOD_BTSTACK_MODBLUETOOTH_BTSTACK_H diff --git a/extmod/btstack/modbluetooth_btstack.c b/extmod/btstack/modbluetooth_btstack.c index 9aef7e687..03ec12b73 100644 --- a/extmod/btstack/modbluetooth_btstack.c +++ b/extmod/btstack/modbluetooth_btstack.c @@ -53,6 +53,8 @@ STATIC const uint16_t BTSTACK_GAP_DEVICE_NAME_HANDLE = 3; volatile int mp_bluetooth_btstack_state = MP_BLUETOOTH_BTSTACK_STATE_OFF; +#define ERRNO_BLUETOOTH_NOT_ACTIVE MP_ENODEV + STATIC int btstack_error_to_errno(int err) { DEBUG_printf(" --> btstack error: %d\n", err); if (err == ERROR_CODE_SUCCESS) { @@ -300,6 +302,9 @@ STATIC void btstack_packet_handler(uint8_t packet_type, uint8_t *packet, uint8_t if (state == HCI_STATE_WORKING) { // Signal that initialisation has completed. mp_bluetooth_btstack_state = MP_BLUETOOTH_BTSTACK_STATE_ACTIVE; + } else if (state == HCI_STATE_HALTING) { + // Signal that de-initialisation has begun. + mp_bluetooth_btstack_state = MP_BLUETOOTH_BTSTACK_STATE_HALTING; } else if (state == HCI_STATE_OFF) { // Signal that de-initialisation has completed. mp_bluetooth_btstack_state = MP_BLUETOOTH_BTSTACK_STATE_OFF; diff --git a/extmod/btstack/modbluetooth_btstack.h b/extmod/btstack/modbluetooth_btstack.h index 2fad86f22..7890bbfae 100644 --- a/extmod/btstack/modbluetooth_btstack.h +++ b/extmod/btstack/modbluetooth_btstack.h @@ -56,6 +56,7 @@ enum { MP_BLUETOOTH_BTSTACK_STATE_OFF, MP_BLUETOOTH_BTSTACK_STATE_STARTING, MP_BLUETOOTH_BTSTACK_STATE_ACTIVE, + MP_BLUETOOTH_BTSTACK_STATE_HALTING, MP_BLUETOOTH_BTSTACK_STATE_TIMEOUT, }; |