xiuos/framework/connection/Adapter/bluetooth/xs_adapter_bluetooth.c

156 lines
4.0 KiB
C

/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file: xs_Adapterxs_adapter_bluetooth.c
* @brief: bluetooth open close function
* @version: 1.0
* @author: AIIT XUOS Lab
* @date: 2021/4/30
*
*/
#include <xs_adapter_manager.h>
#include "xs_adapter_bluetooth.h"
#include <user_api.h>
#include <bus_serial.h>
#include <dev_serial.h>
#include <string.h>
#ifdef BOARD_K210_EVB
#define SAMPLE_UART_NAME "/dev/uart3_dev3"
#endif
#ifdef BOARD_STM32F407_EVB
#define SAMPLE_UART_NAME "/dev/usart3_dev3"
#endif
static int serial_fd;
static int32_t bluetooth_receive;
static int rx_sem;
char bluetooth_buffer[NAME_NUM_MAX ]={0};
/* initialize srial port to open bluetooth*/
int BluetoothOpen(struct Adapter *padapter)
{
/* Open device in read-write mode */
serial_fd = open(SAMPLE_UART_NAME,O_RDWR);
/* set serial config, serial_baud_rate = 115200 */
struct SerialDataCfg cfg;
cfg.serial_baud_rate = BAUD_RATE_115200;
cfg.serial_data_bits = DATA_BITS_8;
cfg.serial_stop_bits = STOP_BITS_1;
cfg.serial_parity_mode = PARITY_NONE;
cfg.serial_bit_order = 0;
cfg.serial_invert_mode = 0;
cfg.serial_buffer_size = 128;
ioctl(serial_fd, 0, &cfg);
UserTaskDelay(1000);
printf("Bluetooth ready\n");
return 0;
}
/* send message to srial port*/
int BluetoothSend(struct Adapter *padapter, const char* data, int len, bool block, int time_out, int delay, send_success cb, void* param, void* reserved)
{
write(serial_fd,data,strlen(data));
return 0;
}
/*thread to read message from srial port*/
void SerialThreadEntry(void *parameter)
{
char ch;
int i = 0;
int n;
int run = 0;
while (1){
n = read(serial_fd,&ch,1);
if (n>0){
if (ch == '~'){
UserSemaphoreAbandon(rx_sem);
run = 1;
break;
}
bluetooth_buffer[i++] = ch;
}
if (run ==1)
break;
}
}
int BluetoothReceive(struct Adapter *padapter, char* rev_buffer, int buffer_len,int time_out, bool block, void* reserved)
{
x_err_t ret = EOK;
/* Set callback function */
/* Create thread serial */
UtaskType recv;
recv.name[0] = 'z';
recv.func_entry = SerialThreadEntry;
recv.func_param = NONE;
recv.stack_size = 1024;
recv.prio = 25;
memset(bluetooth_buffer, 0, sizeof(bluetooth_buffer));
/* Initialize semaphore */
rx_sem = UserSemaphoreCreate(0);
bluetooth_receive = UserTaskCreate(recv);
UserTaskStartup(bluetooth_receive);
/*copy to the receive buffer*/
UserSemaphoreObtain(rx_sem,-1);
memcpy(rev_buffer,bluetooth_buffer,strlen(bluetooth_buffer)+1 );
return ret;
}
void BluetoothSettingDemo(int argc, char *argv[])
{
adapter_t padapter = BluetoothAdapterFind("Bluetooth");
if (NONE == padapter){
KPrintf("adapter find failed!\n");
return;
}
/*Open adapter*/
if (0 != padapter->done.NetAiitOpen(padapter)){
KPrintf("adapter open failed!\n");
return;
}
BluetoothOpen(padapter);
/*Bluetooth communication settings*/
/*it can be changed if needed*/
char* set5 = "AT";
write(serial_fd,set5,strlen(set5));
UserTaskDelay(1000);
printf("bluetooth setting success!\n");
}
#ifndef SEPARATE_COMPILE
SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN),
BluetoothSettingDemo, BluetoothSettingDemo, bluetooth send function );
#endif
void BluetoothClose(struct Adapter *padapter)
{
UserTaskDelete(bluetooth_receive);
close(serial_fd);
}