add proportional font

main/hello_world_main.c

@@ -158,16 +158,26 @@ void write_address(uint8_t addr){
     gpio_set_level(GPIO_E, (addr&0x10)>>4);
 }
 
+uint8_t check_chr_width(uint8_t chr[]){
+    for(int i=6;i>=0;i--)
+        if(chr[i] != 0)
+            return i;
+    return 0;
+}
+
 void put_chr(uint8_t line, uint8_t pos, uint8_t chr[]){
     for(int i=0;i<8;i++)
-        for(int j=0;j<7;j++)
+        for(int j=0;j<7;j++){
-            fb[1+(line*10)+i][(pos*8)+j][0] = (chr[j]&(1<<i))>>i;
+            fb[1+(line*10)+i][(pos)+j][0] = (chr[j]&(1<<i))>>i;
+        }
 }
 
 void put_line(uint8_t line, char *str){
     uint8_t pos = 0;
+    uint8_t disp_pos = 0;
     while(str[pos] != 0){
-        put_chr(line, pos, font[str[pos]-0x20]);
+        put_chr(line, disp_pos, font[str[pos]-0x20]);
+        disp_pos += check_chr_width(font[str[pos]-0x20]) + 3;
         pos++;
     }
 }