lora-iu/Core/Src/lora_comm.c

#include "main.h"
#include "usart.h"
#include "stdio.h"
#include "string.h"
#include "stdlib.h"
#include "lora_comm.h"

extern uart_comm uart1;

//设置工作模式
void set_work_mode(int index)
{
    uint8_t buf[18] = {0};
    uint8_t len;

    len = sizeof("AT+WORKMODE=82\r\n");
    switch(index)
    {
        case 0:
            memcpy(buf,"AT+WORKMODE=82\r\n", len);
            break;
        case 1:
            memcpy(buf,"AT+WORKMODE=81\r\n", len);
            break;
        case 2:
            memcpy(buf,"AT+WORKMODE=21\r\n", len);
            break;
        case 3:
            memcpy(buf,"AT+WORKMODE=11\r\n", len);
            break;
        case 4:
            memcpy(buf,"AT+WORKMODE=12\r\n", len);
            break;
				case 5:
						len = sizeof("AT+ENTERSLEEP\r\n");
            memcpy(buf,"AT+ENTERSLEEP\r\n", len);
            break;
    }
    //HAL_UART_Transmit_DMA(uart1.uart, buf, sizeof("18"));
    HAL_UART_Transmit(uart1.uart, buf, len, 100);


    return;    
}

//设置收发频率
void set_work_freq(int index)
{
    uint8_t buf[64] = {0};
    uint8_t len;

    len = sizeof("AT+FREQ=473200000,473200000,473200000,473200000\r\n");
    switch(index)
    {
        case 0:
            memcpy(buf,"AT+FREQ=473200000,473200000,473200000,473200000\r\n", len);
            break;
        case 1:
            memcpy(buf,"AT+FREQ=483200000,483200000,483200000,483200000\r\n", len);
            //memcpy(buf,"AT+FREQ=485125000,485125000,485125000,485125000\r\n", len);
            break;
        case 2:
            memcpy(buf,"AT+FREQ=493200000,493200000,493200000,493200000\r\n", len);
            break;
        case 3:
            memcpy(buf,"AT+FREQ=503200000,503200000,503200000,503200000\r\n", len);
            break;
    }
    //HAL_UART_Transmit_DMA(uart1.uart, buf, sizeof("51"));
    HAL_UART_Transmit(uart1.uart, buf, len, 100);


    return;
}

/*
4 ---速率 441bps
5 ---速率 934bps
6 ---速率 1868bps
7 ---速率 3736bps
8 ---速率 7472bps
9 ---速率 14946bps
10 ---速率 29891bps
11 ---速率 59783bps
18 ---速率 85106bps
*/

void set_rf_rate(uint8_t rate_flag)
{
    char buf[16] = {0};
    uint8_t len;
		char tx_rate;
		char rx_rate;
		
		switch(rate_flag)
		{
			case 5:
				 tx_rate = '5';
				 rx_rate = '5';
				break;
			
			case 6:
				 tx_rate = '6';
				 rx_rate = '6';
				break;		
		}

		//char tx[4] = itoa(tx_rate);
    //len = sizeof("AT+RATE=18,18\r\n");
    //memcpy(buf, "AT+RATE=4,4\r\n", len);

    sprintf(buf, "AT+RATE=%s,%s\r\n", &tx_rate, &rx_rate);
    len = sizeof(buf);

    //HAL_UART_Transmit_DMA(uart1.uart, buf, sizeof("18"));
    HAL_UART_Transmit(uart1.uart, (uint8_t *)buf, len, 100);

    return;
}

//设置发射功率
void set_rf_tx_power(int index)
{
    uint8_t buf[16] = {0};
    uint8_t len;

    switch(index)
    {
        case 0:
            memcpy(buf,"AT+TXP=0\r\n", sizeof("AT+TXP=0\r\n"));
            break;
        case 1:
            memcpy(buf,"AT+TXP=1\r\n", sizeof("AT+TXP=1\r\n"));
            break;
        case 2:
            memcpy(buf,"AT+TXP=2\r\n", sizeof("AT+TXP=2\r\n"));
            break;
        case 3:
            memcpy(buf,"AT+TXP=3\r\n", sizeof("AT+TXP=3\r\n"));
            break;
        case 4:
            memcpy(buf,"AT+TXP=4\r\n", sizeof("AT+TXP=4\r\n"));
            break;
        case 5:
            memcpy(buf,"AT+TXP=5\r\n", sizeof("AT+TXP=5\r\n"));
            break;
        case 6:
            memcpy(buf,"AT+TXP=6\r\n", sizeof("AT+TXP=6\r\n"));
            break;
        case 7:
            memcpy(buf,"AT+TXP=7\r\n", sizeof("AT+TXP=7\r\n"));
            break;
        case 8:
            memcpy(buf,"AT+TXP=8\r\n", sizeof("AT+TXP=8\r\n"));
            break;
        case 9:
            memcpy(buf,"AT+TXP=9\r\n", sizeof("AT+TXP=9\r\n"));
            break;
        case 10:
            memcpy(buf,"AT+TXP=10\r\n", sizeof("AT+TXP=10\r\n"));
            break;
        case 11:
            memcpy(buf,"AT+TXP=11\r\n", sizeof("AT+TXP=11\r\n"));
            break;
        case 12:
            memcpy(buf,"AT+TXP=12\r\n", sizeof("AT+TXP=12\r\n"));
            break;
        case 13:
            memcpy(buf,"AT+TXP=13\r\n", sizeof("AT+TXP=13\r\n"));
            break;
        case 14:
            memcpy(buf,"AT+TXP=14\r\n", sizeof("AT+TXP=14\r\n"));
            break;
        case 15:
            memcpy(buf,"AT+TXP=15\r\n", sizeof("AT+TXP=15\r\n"));
            break;
    }
    //HAL_UART_Transmit_DMA(uart1.uart, buf, sizeof("12"));
    HAL_UART_Transmit(uart1.uart, buf, sizeof("AT+TXP=15\r\n"), 100);

    return;
}