sggt/App/BLE/ble.c

#include "ble.h"

void ble_send(UART_HandleTypeDef *huart, uint8_t *data)
{
    usart_printf(huart, (char *)data);
}

int8_t write_ble_id(char *id)
{
    if(!id) return -1;

    char str_id[50] = {0};

    sprintf(str_id,"AT+NAME=%s\r\n",id);
    usart_printf(&huart6, str_id);
    return 1;
}

void write_ble_cmd(char *cmd)
{
    if(!cmd) return;

    usart_printf(&huart6, cmd);
}

uint8_t ble_init_step = 0;
uint8_t ble_cnt = 0;
uint8_t ble_init(void)
{
    uint8_t result = 0;

    switch (ble_init_step)
    {
        case 0:
        {
            if(ble_cnt == 0)
            {
                //不能超过20字节
                char ble_id[20];
                strncpy (ble_id, "GSDT_SGGT_V1.0", 20);

                write_ble_id(ble_id);   //修改蓝牙名称
                ble_cnt++;
            }
            else
            {
                ble_cnt++;
                if( (ble_cnt * BLE_TASK_PERIOD) > 500)
                {
                    ble_cnt = 0;
                    ble_init_step++;
                }
            }
        }
        break;

        case 1:
        {
            if(ble_cnt == 0)
            {
                write_ble_cmd("AT+UUIDS=FFF0\r\n");     //主服务通道

                ble_cnt++;
            }
            else
            {
                ble_cnt++;
                if( (ble_cnt * BLE_TASK_PERIOD) > 500)
                {
                    ble_cnt = 0;
                    ble_init_step++;
                }
            }
        }
        break;

        case 2:
        {
            if(ble_cnt == 0)
            {
                write_ble_cmd("AT+UUIDN=FFF1\r\n");     //读通道FFF1

                ble_cnt++;
            }
            else
            {
                ble_cnt++;
                if( (ble_cnt * BLE_TASK_PERIOD) > 500)
                {
                    ble_cnt = 0;
                    ble_init_step++;
                }
            }
        }
        break;

        case 3:
        {
            if(ble_cnt == 0)
            {
                write_ble_cmd("AT+UUIDW=FFF2\r\n");     //写通道FFF2

                ble_cnt++;
            }
            else
            {
                ble_cnt++;
                if( (ble_cnt * BLE_TASK_PERIOD) > 500)
                {
                    ble_cnt = 0;
                    ble_init_step++;
                }
            }
        }
        break;

        case 4:
        {
            if(ble_cnt == 0)
            {
                write_ble_cmd("AT+REBOOT=1\r\n");       //重启

                ble_cnt++;
            }
            else
            {
                ble_cnt++;
                if( (ble_cnt * BLE_TASK_PERIOD) > 1000)
                {
                    ble_cnt = 0;
                    ble_init_step++;
                }
            }
        }
        break;

        case 5:
        {
            //清空缓存区（蓝牙配置时收获的响应）
            memset(scom6_ble.rx_buff, 0, sizeof(scom6_ble.rx_buff));
            scom6_ble.rx_len = 0;
            
            ble_init_step++;
        }
        break;

        case 6:
        {
            result = 1;
        }
        break;

        default:
        break;
    }

    return result;
}