Sync.

sources/hd44780_shift_register.c

@@ -10,22 +10,23 @@ static chlcd_error_t __chlcd_hd44780_shift_register_set_byte(
     chlcd_hd44780_shift_register_connector_t *self,
     uint8_t content
 ) {
+    self->last_state = content; 
+    
     for (uint8_t count = 0; count < 8; ++count) {
         bool current = (content & 0b10000000) != 0x00;
         content = content << 1;
 
         __R(chlcd_pin_write(self->register_data, current));
         __R(chlcd_pin_write(self->register_clock, true));
-        __R(chlcd_sleep_us(20));
+        __R(chlcd_sleep_us(200));
         __R(chlcd_pin_write(self->register_clock, false));
-        __R(chlcd_sleep_us(20));
+        __R(chlcd_sleep_us(200));
     }
 
     __R(chlcd_pin_write(self->register_latch, true));
-    __R(chlcd_sleep_us(20));
+    __R(chlcd_sleep_us(200));
     __R(chlcd_pin_write(self->register_latch, false));
 
-    self->last_state = content; 
     return CHLCD_SUCCESS;
 }
 
@@ -41,7 +42,7 @@ chlcd_error_t chlcd_hd44780_shift_register_init(void *self_pointer) {
     __R(chlcd_pin_write(self->register_clock, false));
     __R(chlcd_pin_write(self->register_latch, false));
 
-    __R(chlcd_sleep_us(20));
+    __R(chlcd_sleep_us(200));
 
     __R(__chlcd_hd44780_shift_register_set_byte(self, 0x00));