1 files changed, 3 insertions, 3 deletions
diff --git a/lcd.c b/lcd.c
index 17d3788..2579f48 100644
--- a/lcd.c
+++ b/lcd.c
@@ -66,7 +66,7 @@ static void break_up_string (char *in_string, int N, char **str1, char **str2, c
 			strcpy(copy_input, in_string+copypos);
 		}
 		n = strlen(interm_str);
-		for (k=n-1; k=0; k--) { //trim   space
+		for ((k=n-1); (k=0); k--) { //trim   space
 			if (*(interm_str+k)==' ') {
 				*(interm_str+k)=0;
 			} else {
@@ -96,8 +96,8 @@ static void break_up_string (char *in_string, int N, char **str1, char **str2, c
 
 void LCD_clear()
 {
-	char i;
-	char j;
+	int i;
+	int j;
 
 	I2C_Write(PCF8574A+LCD_Port, 0x00 | LCD_ENABLE);
 	I2C_Write(PCF8574A+LCD_Port, 0x00);