#include "serial_at_cmd_app.h"
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#include "global_param.h"
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#include <string.h>
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#include <stdio.h>
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uint8_t m_frame_data[MAX_FRAME_LEN] = {0};
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uint8_t m_frame_data_len = 0;
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void ParseFrame(void)
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{
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if(!memcmp(m_frame_data, "DIS", 3))
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{
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g_com_map[ALARM_DISTANCE] =0;
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for(uint8_t i=3; i < m_frame_data_len; i++)
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{
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if(m_frame_data[i]<58 && m_frame_data[i]>47)
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{
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g_com_map[ALARM_DISTANCE] = g_com_map[ALARM_DISTANCE]*10 + m_frame_data[i]- '0';
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}
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else
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{
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printf("Error: Wrong DISTANCE.\r\n");
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break;
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}
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}
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printf("When distance < %d cm, alarm is on.\n", g_com_map[ALARM_DISTANCE]);
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save_com_map_to_flash();
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}
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else if(!memcmp(m_frame_data, "DEV", 3))
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{
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g_com_map[ALARM_DEV] = m_frame_data[3]-'0';
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printf("Alarm device is %d. \n", g_com_map[ALARM_DEV]);
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save_com_map_to_flash();
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}
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else if(!memcmp(m_frame_data, "ID", 2))
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{
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g_com_map[DEV_ID] = 0;
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for(uint8_t i=2; i < m_frame_data_len; i++)
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{
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if(m_frame_data[i]<58 && m_frame_data[i]>47)
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{
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g_com_map[DEV_ID] = g_com_map[DEV_ID]*10 + m_frame_data[i]- '0';
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}
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else
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{
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printf("Error: Wrong ID.\r\n");
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break;
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}
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}
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printf("set dev id = %d. \r\n", g_com_map[DEV_ID]);
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save_com_map_to_flash();
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}
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}
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void UsartParseDataHandler(uint8_t data)
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{
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static uint8_t s_usart_state = 0;
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static uint8_t s_data_pos;
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switch(s_usart_state)
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{
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case 0:
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if(data=='A') s_usart_state= 1;
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break;
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case 1:
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if(data=='T') s_usart_state = 2;
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break;
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case 2:
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if(data=='+')
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{
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s_usart_state = 3;
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s_data_pos = 0;
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m_frame_data_len = 0;
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}
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break;
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case 3:
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m_frame_data_len = s_data_pos;
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m_frame_data[s_data_pos++] = data;
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if(data == 0x0d)
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{
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s_usart_state = 4;
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}
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if(s_data_pos >= MAX_FRAME_LEN) //Èç¹û³¬¹ý×î´ó³¤¶È
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{
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m_frame_data_len = MAX_FRAME_LEN;
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ParseFrame();
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s_usart_state = 0;
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}
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break;
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case 4:
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if(data == 0x0a)
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{
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ParseFrame();
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s_usart_state = 0;
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}
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break;
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default: break;
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}
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}
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