stm32l431_xl_current/Drivers/e22/e22.c

#include "e22.h"
#include "main.h"
#include "inflash.h"
#include "uart_dev.h"

uint8_t e22_state = 0;
//c0 00 09 0000 00 64 00 0b 41 00 00    WOR<4F><52><EFBFBD>㷢<EFBFBD><E3B7A2>
//c0 00 09 0000 00 64 00 0b 49 00 00    WOR<4F><52><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
e22_config_pack e22_config_data = { 0xc0, 0x00, 0x09,                                //д<><D0B4>0<EFBFBD><30>ʼ<EFBFBD><CABC>9<EFBFBD><39><EFBFBD><EFBFBD>
                           0x00, 0x30,                                      //<2F><>ַ
                           0x00,                                            //<2F><><EFBFBD><EFBFBD>ID
                           0x64,                                            //9600<30><30>8N1<4E><31>9.6k
                           0x00, 
                           0x0A,                                            //<2F>ŵ<EFBFBD>10
                           0x40,
                           0x00, 0x00};                                     //<2F><><EFBFBD><EFBFBD>    

static unsigned short CRC16(unsigned char *arr_buff, unsigned char len)
{
	unsigned short crc=0xFFFF;
	unsigned char i, j;
	for ( j=0; j<len; j++){   
		crc=crc ^*arr_buff++;
		for ( i=0; i<8; i++){   
			if( ( crc&0x0001) >0){   
				crc=crc>>1;
				crc=crc^ 0xa001;
			}else{
				crc=crc>>1;
      }
		}   
	}   
	return crc;
}

void lora_set_mode_normal()
{
    HAL_GPIO_WritePin(RF_M0_GPIO_Port, RF_M0_Pin, GPIO_PIN_RESET);
    HAL_GPIO_WritePin(RF_M1_GPIO_Port, RF_M1_Pin, GPIO_PIN_RESET);
    HAL_Delay(200);
}

void lora_set_mode_wor()
{
    HAL_GPIO_WritePin(RF_M0_GPIO_Port, RF_M0_Pin, GPIO_PIN_SET);
    HAL_GPIO_WritePin(RF_M1_GPIO_Port, RF_M1_Pin, GPIO_PIN_RESET);
    HAL_Delay(200);
}

void lora_set_mode_config()
{
    HAL_GPIO_WritePin(RF_M0_GPIO_Port, RF_M0_Pin, GPIO_PIN_RESET);
    HAL_GPIO_WritePin(RF_M1_GPIO_Port, RF_M1_Pin, GPIO_PIN_SET);
    HAL_Delay(200);
}

void lora_set_mode_sleep()
{
    HAL_GPIO_WritePin(RF_M0_GPIO_Port, RF_M0_Pin, GPIO_PIN_SET);
    HAL_GPIO_WritePin(RF_M1_GPIO_Port, RF_M1_Pin, GPIO_PIN_SET);
    HAL_Delay(200);
}

void lora_set_mode(e22_mode mode)
{
    switch(mode)
    {
    case NORMAL:
        lora_set_mode_normal();
        break;
    case WOR:
        lora_set_mode_wor();
        break;
    case CONFIG:
        lora_set_mode_config();
        break;
    case SLEEP:
        lora_set_mode_sleep();
        break;
    default:
        break;
    }
}

void e22_init()
{
    lora_set_mode(CONFIG);
    uart_dev_write(g_lora_uart_handle, (void *)&e22_config_data, sizeof(e22_config_data));
    lora_set_mode(NORMAL);
}