change pixels in font

main/hello_world_main.c

@@ -69,7 +69,7 @@ const unsigned char font[96][7] = {
 	{0x03,0x01,0x01,0x7f,0x00,0x00,0x00}, // 7
 	{0x7f,0x49,0x49,0x7f,0x00,0x00,0x00}, // 8
 	{0x0f,0x09,0x09,0x7f,0x00,0x00,0x00}, // 9
-	{0x41,0x00,0x00,0x00,0x00,0x00,0x00}, // :
+	{0x22,0x00,0x00,0x00,0x00,0x00,0x00}, // :
 	{0xc1,0x00,0x00,0x00,0x00,0x00,0x00}, // ;
 	{0x08,0x14,0x22,0x00,0x00,0x00,0x00}, // <
 	{0x14,0x14,0x14,0x14,0x00,0x00,0x00}, // =
@@ -89,7 +89,7 @@ const unsigned char font[96][7] = {
 	{0x7f,0x08,0x08,0x77,0x00,0x00,0x00}, // K
 	{0x7f,0x40,0x40,0x60,0x00,0x00,0x00}, // L
 	{0x7f,0x01,0x01,0x7f,0x01,0x01,0x7f}, // M
-	{0x7f,0x01,0x01,0x7f,0x00,0x00,0x00}, // N
+	{0x7f,0x04,0x08,0x10,0x7f,0x00,0x00}, // N
 	{0x7f,0x41,0x41,0x7f,0x00,0x00,0x00}, // O
 	{0x7f,0x09,0x09,0x0f,0x00,0x00,0x00}, // P
 	{0x7f,0x41,0xc1,0x7f,0x00,0x00,0x00}, // Q
@@ -162,7 +162,7 @@ uint8_t check_chr_width(uint8_t chr[]){
     for(int i=6;i>=0;i--)
         if(chr[i] != 0)
             return i;
-    return 0;
+    return 2; //space character
 }
 
 void put_chr(uint8_t line, uint8_t pos, uint8_t chr[]){