/* Copyright 2021 @ Keychron (https://www.keychron.com) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #pragma once #include "stdint.h" #ifdef BT_DRIVER_UART_BANK # define BT_DRIVER_UART_TX_BANK BT_DRIVER_UART_BANK # define BT_DRIVER_UART_RX_BANK BT_DRIVER_UART_BANK #endif #ifndef BT_DRIVER_UART_TX_BANK # define BT_DRIVER_UART_TX_BANK GPIOA #endif #ifndef BT_DRIVER_UART_RX_BANK # define BT_DRIVER_UART_RX_BANK GPIOA #endif #ifndef BT_DRIVER_UART_TX # define BT_DRIVER_UART_TX 2 #endif #ifndef BT_DRIVER_UART_RX # define BT_DRIVER_UART_RX 3 #endif #ifndef BT_DRIVER # define BT_DRIVER SD2 #endif #ifdef USE_GPIOV1 # ifndef BT_DRIVER_UART_TX_PAL_MODE # define BT_DRIVER_UART_TX_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL # endif # ifndef BT_DRIVER_UART_RX_PAL_MODE # define BT_DRIVER_UART_RX_PAL_MODE PAL_MODE_STM32_ALTERNATE_PUSHPULL # endif #else // The default PAL alternate modes are used to signal that the pins are used for I2C # ifndef BT_DRIVER_UART_TX_PAL_MODE # define BT_DRIVER_UART_TX_PAL_MODE 7 # endif # ifndef BT_DRIVER_UART_RX_PAL_MODE # define BT_DRIVER_UART_RX_PAL_MODE 7 # endif #endif // Error checking #if !STM32_SERIAL_USE_USART1 && !STM32_SERIAL_USE_USART2 && !STM32_SERIAL_USE_USART3 && !STM32_SERIAL_USE_UART4 && !STM32_SERIAL_USE_UART5 && !STM32_SERIAL_USE_USART6 && !STM32_SERIAL_USE_UART7 && !STM32_SERIAL_USE_UART8 && !STM32_SERIAL_USE_LPUART1 # error "BT driver activated but no USART/UART peripheral assigned" #endif #define PACKECT_HEADER_LEN 5 #define BDA_LEN 6 #define PACKET_MAX_LEN 64 enum { PAIRING_MODE_DEFAULT = 0x00, PAIRING_MODE_JUST_WORK, PAIRING_MODE_PASSKEY_ENTRY, PAIRING_MODE_LESC_OR_SSP, PAIRING_MODE_INVALID }; enum { BT_MODE_DEFAUL, BT_MODE_CLASSIC, BT_MODE_LE, // Note: CKBT51 doesn't support BLE BT_MODE_INVALID, }; typedef struct { uint8_t hostIndex; uint16_t timeout; /* Pairing timeout, valid value range from 30 to 3600 seconds, 0 for default */ uint8_t pairingMode; /* 0: default, 1: Just Works, 2: Passkey Entry */ uint8_t BRorLE; /* Only available for dual mode module. Keep 0 for single mode module */ uint8_t txPower; /* Only available for BLE module */ const char* leName; /* Only available for BLE module */ } pairing_param_t; typedef struct { uint8_t type; uint16_t full_votage; uint16_t empty_voltage; uint16_t shutdown_voltage; } battery_param_t; typedef struct { uint8_t model_name[11]; uint8_t mode; uint8_t bluetooth_version; uint8_t firmware_version[11]; uint8_t hardware_version[11]; uint16_t cmd_set_verson; } __attribute__((packed)) module_info_t; typedef struct { uint8_t event_mode; /* Must be 0x02 */ uint16_t connected_idle_timeout; uint16_t pairing_timeout; /* Range: 30 ~ 3600 second, 0 for default */ uint8_t pairing_mode; /* 0: default, 1: Just Works, 2: Passkey Entry */ uint16_t reconnect_timeout; /* 0: default, 0xFF: Unlimited time, 2 ~ 254 seconds */ uint8_t report_rate; /* 90 or 133 */ uint8_t rsvd1; uint8_t rsvd2; uint8_t vendor_id_source; /* 0: From Bluetooth SIG, 1: From USB-IF */ uint16_t verndor_id; /* No effect, the vendor ID is 0x3434 */ uint16_t product_id; /* Below parametes is only available for BLE module */ uint16_t le_connection_interval_min; uint16_t le_connection_interval_max; uint16_t le_connection_interval_timeout; } __attribute__((packed)) module_param_t; void ckbt51_init(bool wakeup_from_low_power_mode); void ckbt51_send_cmd(uint8_t* payload, uint8_t len, bool ack_enable, bool retry); void ckbt51_send_keyboard(uint8_t* report); void ckbt51_send_nkro(uint8_t* report); void ckbt51_send_consumer(uint16_t report); void ckbt51_send_system(uint16_t report); void ckbt51_send_mouse(uint8_t* report); void ckbt51_become_discoverable(uint8_t host_idx, void* param); void ckbt51_connect(uint8_t hostIndex, uint16_t timeout); void ckbt51_disconnect(void); void ckbt51_switch_host(uint8_t hostIndex); void ckbt51_read_state_reg(uint8_t reg, uint8_t len); void ckbt51_get_info(module_info_t* info); void ckbt51_set_param(module_param_t* param); void ckbt51_get_param(module_param_t* param); void ckbt51_set_local_name(const char* name); void ckbt51_get_local_name(void); void ckbt51_factory_reset(void); void ckbt51_int_pin_test(bool enable); void ckbt51_dfu_rx(uint8_t* data, uint8_t length); void ckbt51_radio_test(uint8_t channel); void ckbt51_task(void);