Fix: rxHmiData()

mingchi21 · mingchi21 · commit ec2796aadb52 · 2024-05-08T09:48:35.000+08:00
diff --git a/arduino_pico/arduino_pico.ino b/arduino_pico/arduino_pico.ino
@@ -72,9 +72,11 @@ int rxHmiData(char* dat, int dat_len) {
     return 0;
   }
   int rxlen = Serial1.readBytes(dat, dat_len);
-  dat[rxlen-1] = 0; // Replace 0x04(EOT) to 0
-  return rxlen-1;
-
+  if(rxlen > 0){
+    dat[rxlen-1] = 0; // Replace 0x04(EOT) to 0
+    return rxlen;
+  }
+  return 0;
 }
 
 // String from BunHMI ptr cmd

Original file line number	Diff line number	Diff line change
`@@ -72,9 +72,11 @@ int rxHmiData(char* dat, int dat_len) {`
`72`	`72`	`return 0;`
`73`	`73`	`}`
`74`	`74`	`int rxlen = Serial1.readBytes(dat, dat_len);`
`75`		`- dat[rxlen-1] = 0; // Replace 0x04(EOT) to 0`
`76`		`- return rxlen-1;`
`77`		`-`
	`75`	`+ if(rxlen > 0){`
	`76`	`+ dat[rxlen-1] = 0; // Replace 0x04(EOT) to 0`
	`77`	`+ return rxlen;`
	`78`	`+ }`
	`79`	`+ return 0;`
`78`	`80`	`}`
`79`	`81`
`80`	`82`	`// String from BunHMI ptr cmd`