diff options
Diffstat (limited to 'ports/stm32/nimble_hci_uart.c')
| -rw-r--r-- | ports/stm32/nimble_hci_uart.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/ports/stm32/nimble_hci_uart.c b/ports/stm32/nimble_hci_uart.c deleted file mode 100644 index 116085587..000000000 --- a/ports/stm32/nimble_hci_uart.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * This file is part of the MicroPython project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 2018-2019 Damien P. George - * - * 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/mphal.h" -#include "extmod/nimble/nimble/hci_uart.h" - -#if MICROPY_BLUETOOTH_NIMBLE - -#if defined(STM32WB) - -/******************************************************************************/ -// HCI over IPCC - -#include "rfcore.h" - -int nimble_hci_uart_configure(uint32_t port) { - (void)port; - return 0; -} - -int nimble_hci_uart_set_baudrate(uint32_t baudrate) { - (void)baudrate; - return 0; -} - -int nimble_hci_uart_activate(void) { - rfcore_ble_init(); - return 0; -} - -void nimble_hci_uart_rx(hal_uart_rx_cb_t rx_cb, void *rx_arg) { - // Protect in case it's called from ble_npl_sem_pend at thread-level - MICROPY_PY_LWIP_ENTER - rfcore_ble_check_msg(rx_cb, rx_arg); - MICROPY_PY_LWIP_EXIT -} - -void nimble_hci_uart_tx_strn(const char *str, uint len) { - MICROPY_PY_LWIP_ENTER - rfcore_ble_hci_cmd(len, (const uint8_t *)str); - MICROPY_PY_LWIP_EXIT -} - -#else - -/******************************************************************************/ -// HCI over UART - -#include "pendsv.h" -#include "uart.h" -#include "drivers/cyw43/cywbt.h" - -pyb_uart_obj_t bt_hci_uart_obj; -static uint8_t hci_uart_rxbuf[512]; - -#ifdef pyb_pin_BT_DEV_WAKE -static uint32_t bt_sleep_ticks; -#endif - -extern void nimble_poll(void); - -mp_obj_t mp_uart_interrupt(mp_obj_t self_in) { - pendsv_schedule_dispatch(PENDSV_DISPATCH_NIMBLE, nimble_poll); - return mp_const_none; -} -MP_DEFINE_CONST_FUN_OBJ_1(mp_uart_interrupt_obj, mp_uart_interrupt); - -int nimble_hci_uart_set_baudrate(uint32_t baudrate) { - uart_init(&bt_hci_uart_obj, baudrate, UART_WORDLENGTH_8B, UART_PARITY_NONE, UART_STOPBITS_1, UART_HWCONTROL_RTS | UART_HWCONTROL_CTS); - uart_set_rxbuf(&bt_hci_uart_obj, sizeof(hci_uart_rxbuf), hci_uart_rxbuf); - return 0; -} - -int nimble_hci_uart_configure(uint32_t port) { - // bits (8), stop (1), parity (none) and flow (rts/cts) are assumed to match MYNEWT_VAL_BLE_HCI_UART_ constants in syscfg.h. - bt_hci_uart_obj.base.type = &pyb_uart_type; - bt_hci_uart_obj.uart_id = port; - bt_hci_uart_obj.is_static = true; - bt_hci_uart_obj.timeout = 2; - bt_hci_uart_obj.timeout_char = 2; - MP_STATE_PORT(pyb_uart_obj_all)[bt_hci_uart_obj.uart_id - 1] = &bt_hci_uart_obj; - return 0; -} - -int nimble_hci_uart_activate(void) { - // Interrupt on RX chunk received (idle) - // Trigger nimble poll when this happens - mp_obj_t uart_irq_fn = mp_load_attr(MP_OBJ_FROM_PTR(&bt_hci_uart_obj), MP_QSTR_irq); - mp_obj_t uargs[] = { - MP_OBJ_FROM_PTR(&mp_uart_interrupt_obj), - MP_OBJ_NEW_SMALL_INT(UART_FLAG_IDLE), - mp_const_true, - }; - mp_call_function_n_kw(uart_irq_fn, 3, 0, uargs); - - #if MICROPY_PY_NETWORK_CYW43 - cywbt_init(); - cywbt_activate(); - #endif - - return 0; -} - -void nimble_hci_uart_rx(hal_uart_rx_cb_t rx_cb, void *rx_arg) { - #ifdef pyb_pin_BT_HOST_WAKE - int host_wake = 0; - host_wake = mp_hal_pin_read(pyb_pin_BT_HOST_WAKE); - /* - // this is just for info/tracing purposes - static int last_host_wake = 0; - if (host_wake != last_host_wake) { - printf("HOST_WAKE change %d -> %d\n", last_host_wake, host_wake); - last_host_wake = host_wake; - } - */ - #endif - - while (uart_rx_any(&bt_hci_uart_obj)) { - uint8_t data = uart_rx_char(&bt_hci_uart_obj); - //printf("UART RX: %02x\n", data); - rx_cb(rx_arg, data); - } - - #ifdef pyb_pin_BT_DEV_WAKE - if (host_wake == 1 && mp_hal_pin_read(pyb_pin_BT_DEV_WAKE) == 0) { - if (mp_hal_ticks_ms() - bt_sleep_ticks > 500) { - //printf("BT SLEEP\n"); - mp_hal_pin_high(pyb_pin_BT_DEV_WAKE); // let sleep - } - } - #endif -} - -void nimble_hci_uart_tx_strn(const char *str, uint len) { - #ifdef pyb_pin_BT_DEV_WAKE - bt_sleep_ticks = mp_hal_ticks_ms(); - - if (mp_hal_pin_read(pyb_pin_BT_DEV_WAKE) == 1) { - //printf("BT WAKE for TX\n"); - mp_hal_pin_low(pyb_pin_BT_DEV_WAKE); // wake up - // Use delay_us rather than delay_ms to prevent running the scheduler (which - // might result in more BLE operations). - mp_hal_delay_us(5000); // can't go lower than this - } - #endif - - uart_tx_strn(&bt_hci_uart_obj, str, len); -} - -#endif // defined(STM32WB) - -#endif // MICROPY_BLUETOOTH_NIMBLE |