feat: onewire and ds18b20 driver

src/main.c

@@ -1,7 +1,8 @@
 #include <8052.h>
 #include "serial_command.h"
 
-#include "temp.h"
+#include "onewire.h"
+#include "ds18b20.h"
 
 typedef unsigned int u16;
 typedef unsigned char u8;
@@ -199,7 +200,8 @@ void ProcessTempCmd(void) {
 #endif
     if (tempCmdCode == CTRL_CODE_TEMP_Enable) {
         EA = 0;
-        temp = Ds18b20ReadTemp();
+        DS18B20_startConvert();
+        temp = DS18B20_readTemperature();
         EA = 1;
         tc = MCU_CMD_TEMP << 12;
         td = (u16) temp & 0xFFF;
@@ -222,6 +224,8 @@ int ProcessGasCmd(void) {
 
 void main(void) {
     int gasFlag, bodyFlag;
+    DS18B20_startConvert();
+    delay(100);
     UsartInit();
     while (1) {
         ProcessCommand();