QDAC-firmware/app/jj_blueteeth.c

#include "jj_blueteeth.h"
bool bt_rx_flag   = false;
bool bt_run_flag  = false;
bool bt_flow_flag = false;
uint8_t bt_buffer; // 接收字符存入
uint32_t bt_run  = 0;
uint32_t bt_flow = 0;
float bt_angle   = 0.0f;
enum bt_order {
    Start_work = 0x01,
    Turn_Left  = 0x02,
    Turn_Right = 0x03,
    Speed_up   = 0x04,
    Speed_down = 0x05,
    Run_flag   = 0x06,
    Flow_flag  = 0x08,
    Flow_up    = 0x09,
    Flow_down  = 0x10,
};
/**
 * @brief  蓝牙初始化
 * @retval 无
 */
void jj_bt_init()
{
    uart_init(UART_2, 115200, UART2_MAP1_TX_D5, UART2_MAP1_RX_D6);
    uart_rx_interrupt(UART_2, ENABLE);
}
/**
 * @brief 蓝牙中断回调
 *
 */
void jj_bt_run()
{
    if (bt_rx_flag) {
        switch (bt_buffer) {
            case Start_work:

                break;
            case Turn_Left:

                break;
            case Turn_Right:

                break;
            case Speed_down:
                bt_run -= 10;
                break;
            case Speed_up:
                bt_run += 10;
                break;
            case Run_flag:
                bt_run_flag = !bt_run_flag;
                break;
            case Flow_flag:
                bt_flow_flag = !bt_flow_flag;
                break;
            case Flow_up:
                bt_flow += 20;
                break;
            case Flow_down:
                bt_flow -= 20;
                break;
            default:
                break;
        }
        bt_rx_flag = false;
    }
}

void bt_printf(const char *format, ...)
{
    char sbuf[40];
    va_list args;
    va_start(args, format);
    vsnprintf(sbuf, 40, format, args);
    va_end(args);

    for (uint16_t i = 0; i < strlen(sbuf); i++) {
        while (USART_GetFlagStatus((USART_TypeDef *)uart_index[UART_2], USART_FLAG_TC) == RESET)
            ;
        USART_SendData((USART_TypeDef *)uart_index[UART_2], sbuf[i]);
    }
}