8000 stm32/nimble: Add nimble bindings. · andrewleech/micropython@57d08b0 · GitHub
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stm32/nimble: Add nimble bindings.
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‎ports/stm32/nimble/bsp/bsp.h

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// empty

‎ports/stm32/nimble/hal/hal_gpio.h

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// empty

‎ports/stm32/nimble/hal/hal_uart.h

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#ifndef MICROPY_INCLUDED_STM32_NIMBLE_HAL_HAL_UART_H
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#define MICROPY_INCLUDED_STM32_NIMBLE_HAL_HAL_UART_H
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#include <stdint.h>
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#define SYSINIT_PANIC_ASSERT_MSG(cond, msg)
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#define HAL_UART_PARITY_NONE (0)
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typedef int (*hal_uart_tx_cb_t)(void *arg);
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typedef int (*hal_uart_rx_cb_t)(void *arg, uint8_t data);
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int hal_uart_init_cbs(uint32_t port, hal_uart_tx_cb_t tx_cb, void *tx_arg, hal_uart_rx_cb_t rx_cb, void *rx_arg);
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int hal_uart_config(uint32_t port, uint32_t baud, uint32_t bits, uint32_t stop, uint32_t parity, uint32_t flow);
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void hal_uart_start_tx(uint32_t port);
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int hal_uart_close(uint32_t port);
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#endif // MICROPY_INCLUDED_STM32_NIMBLE_HAL_HAL_UART_H

‎ports/stm32/nimble/hci_uart.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018-2019 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "pin_static_af.h"
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#include "uart.h"
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#include "nimble/ble.h"
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#include "hal/hal_uart.h"
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#include "cywbt.h"
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#if MICROPY_BLUETOOTH_NIMBLE
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/******************************************************************************/
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// Bindings CYWBT to Nimble
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static hal_uart_tx_cb_t hal_uart_tx_cb;
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static void *hal_uart_tx_arg;
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static hal_uart_rx_cb_t hal_uart_rx_cb;
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static void *hal_uart_rx_arg;
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static uint32_t bt_sleep_ticks;
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int hal_uart_init_cbs(uint32_t port, hal_uart_tx_cb_t tx_cb, void *tx_arg, hal_uart_rx_cb_t rx_cb, void *rx_arg) {
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hal_uart_tx_cb = tx_cb;
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hal_uart_tx_arg = tx_arg;
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hal_uart_rx_cb = rx_cb;
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hal_uart_rx_arg = rx_arg;
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return 0; // success
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}
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int hal_uart_config(uint32_t port, uint32_t baud, uint32_t bits, uint32_t stop, uint32_t parity, uint32_t flow) {
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cywbt_init();
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cywbt_activate();
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return 0; // success
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}
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void hal_uart_start_tx(uint32_t port) {
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size_t len = 0;
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for (;;) {
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int data = hal_uart_tx_cb(hal_uart_tx_arg);
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if (data == -1) {
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break;
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}
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cywbt_hci_cmd_buf[len++] = data;
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}
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#if 0
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printf("[% 8d] BTUTX: %02x", mp_hal_ticks_ms(), hci_cmd_buf[0]);
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for (int i = 1; i < len; ++i) {
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printf(":%02x", hci_cmd_buf[i]);
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}
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printf("\n");
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#endif
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bt_sleep_ticks = mp_hal_ticks_ms();
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if (mp_hal_pin_read(pyb_pin_BT_DEV_WAKE) == 1) {
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//printf("BT WAKE for TX\n");
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mp_hal_pin_low(pyb_pin_BT_DEV_WAKE); // wake up
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mp_hal_delay_ms(5); // can't go lower than this
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}
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uart_tx_strn(&cywbt_hci_uart_obj, (void*)cywbt_hci_cmd_buf, len);
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}
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int hal_uart_close(uint32_t port) {
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return 0; // success
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}
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void nimble_uart_process(void) {
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int host_wake = mp_hal_pin_read(pyb_pin_BT_HOST_WAKE);
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/*
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// this is just for info/tracing purposes
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static int last_host_wake = 0;
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if (host_wake != last_host_wake) {
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printf("HOST_WAKE change %d -> %d\n", last_host_wake, host_wake);
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last_host_wake = host_wake;
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}
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*/
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while (uart_rx_any(&cywbt_hci_uart_obj)) {
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uint8_t data = uart_rx_char(&cywbt_hci_uart_obj);
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//printf("UART RX: %02x\n", data);
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hal_uart_rx_cb(hal_uart_rx_arg, data);
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}
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if (host_wake == 1 && mp_hal_pin_read(pyb_pin_BT_DEV_WAKE) == 0) {
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if (mp_hal_ticks_ms() - bt_sleep_ticks > 500) {
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//printf("BT SLEEP\n");
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mp_hal_pin_high(pyb_pin_BT_DEV_WAKE); // let sleep
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}
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}
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}
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#endif // MICROPY_BLUETOOTH_NIMBLE

‎ports/stm32/nimble/misc.c

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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018-2019 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/runtime.h"
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#if MICROPY_BLUETOOTH_NIMBLE
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/******************************************************************************/
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// Misc functions needed by Nimble
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#include <stdarg.h>
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int sprintf(char *str, const char *fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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int ret = vsnprintf(str, 65535, fmt, ap);
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va_end(ap);
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return ret;
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}
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// TODO deal with root pointers
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void *malloc(size_t size) {
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//printf("NIMBLE malloc(%u)\n", (uint)size);
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return m_malloc(size);
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}
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void free(void *ptr) {
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//printf("NIMBLE free(%p)\n", ptr);
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return m_free(ptr);
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}
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void *realloc(void *ptr, size_t size) {
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//printf("NIMBLE realloc(%p, %u)\n", ptr, (uint)size);
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return m_realloc(ptr, size);
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}
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#endif

‎ports/stm32/nimble/nimble.mk

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# Makefile directives for Apache mynewt nimble BLE component
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ifeq ($(MICROPY_BLUETOOTH_NIMBLE),1)
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NIMBLE_DIR = lib/mynewt-nimble
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SRC_NIMBLE += $(addprefix $(NIMBLE_DIR)/, \
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$(addprefix ext/tinycrypt/src/, \
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aes_encrypt.c \
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cmac_mode.c \
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ecc.c \
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ecc_dh.c \
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utils.c \
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) \
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nimble/host/services/gap/src/ble_svc_gap.c \
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nimble/host/services/gatt/src/ble_svc_gatt.c \
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$(addprefix nimble/host/src/, \
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ble_att.c \
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ble_att_clt.c \
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ble_att_cmd.c \
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ble_att_svr.c \
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ble_eddystone.c \
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ble_gap.c \
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ble_gattc.c \
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ble_gatts.c \
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ble_hs_adv.c \
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ble_hs_atomic.c \
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ble_hs.c \
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ble_hs_cfg.c \
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ble_hs_conn.c \
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ble_hs_dbg.c \
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ble_hs_flow.c \
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ble_hs_hci.c \
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ble_hs_hci_cmd.c \
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ble_hs_hci_evt.c \
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ble_hs_hci_util.c \
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ble_hs_id.c \
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ble_hs_log.c \
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ble_hs_mbuf.c \
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ble_hs_misc.c \
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ble_hs_mqueue.c \
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ble_hs_pvcy.c \
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ble_hs_startup.c \
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ble_hs_stop.c \
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ble_ibeacon.c \
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ble_l2cap.c \
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ble_l2cap_coc.c \
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ble_l2cap_sig.c \
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ble_l2cap_sig_cmd.c \
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ble_monitor.c \
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ble_sm_alg.c \
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ble_sm.c \
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ble_sm_cmd.c \
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ble_sm_lgcy.c \
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ble_sm_sc.c \
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ble_store.c \
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ble_store_util.c \
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ble_uuid.c \
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) \
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nimble/host/store/ram/src/ble_store_ram.c \
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nimble/host/util/src/addr.c \
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nimble/transport/uart/src/ble_hci_uart.c \
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$(addprefix porting/nimble/src/, \
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endian.c \
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mem.c \
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nimble_port.c \
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os_mbuf.c \
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os_mempool.c \
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os_msys_init.c \
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) \
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)
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SRC_NIMBLE += \
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nimble/misc.c \
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nimble/npl_os.c \
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nimble/hci_uart.c \
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CFLAGS_MOD += -DMICROPY_BLUETOOTH_NIMBLE=1
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INC += -Inimble
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INC += -I$(TOP)/$(NIMBLE_DIR)
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INC += -I$(TOP)/$(NIMBLE_DIR)/ext/tinycrypt/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/host/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/host/services/gap/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/host/services/gatt/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/host/store/ram/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/host/util/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/nimble/transport/uart/include
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INC += -I$(TOP)/$(NIMBLE_DIR)/porting/nimble/include
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$(BUILD)/$(NIMBLE_DIR)/%.o: CFLAGS += -Wno-maybe-uninitialized -Wno-pointer-arith -Wno-unused-but-set-variable -Wno-format
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OBJ += $(addprefix $(BUILD)/, $(SRC_NIMBLE:.c=.o))
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endif

‎ports/stm32/nimble/nimble_npl_os.h

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#ifndef MICROPY_INCLUDED_STM32_NIMBLE_NIMBLE_NPL_OS_H
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#define MICROPY_INCLUDED_STM32_NIMBLE_NIMBLE_NPL_OS_H
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#include <stdint.h>
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#define BLE_NPL_OS_ALIGNMENT (4)
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#define BLE_NPL_TIME_FOREVER (0xffffffff)
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typedef uint32_t ble_npl_time_t;
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typedef int32_t ble_npl_stime_t;
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struct ble_npl_event {
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ble_npl_event_fn *fn;
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void *arg;
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struct ble_npl_event *prev;
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struct ble_npl_event *next;
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};
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struct ble_npl_eventq {
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struct ble_npl_event *head;
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struct ble_npl_eventq *nextq;
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};
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struct ble_npl_callout {
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bool active;
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uint32_t ticks;
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struct ble_npl_eventq *evq;
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struct ble_npl_event ev;
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struct ble_npl_callout *nextc;
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};
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struct ble_npl_mutex {
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volatile uint8_t locked;
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};
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struct ble_npl_sem {
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volatile uint16_t count;
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};
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#endif // MICROPY_INCLUDED_STM32_NIMBLE_NIMBLE_NPL_OS_H

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