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When i power up for the module, i see all led is turned on, and when i use realterm to test it, the data appears continiously (like the following images), i don't know why, please help me, thanks so much!!!!!
#include "stm8s.h"
// SO DO KET NOI DEN LCD 16X2 CHE DO 4 BIT
#define LCD_RS PD_ODR_ODR5
#define LCD_EN PD_ODR_ODR6
#define LCD_RW 0
#define LCD_D4 PC_ODR_ODR4
#define LCD_D5 PC_ODR_ODR5
#define LCD_D6 PC_ODR_ODR6
#define LCD_D7 PC_ODR_ODR7
#define line_1 0x80
#define line_2...
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