void lcd_init() delay_ms(50); // wait >40ms after VDD rises write_4bit(0x30); delay_ms(5); write_4bit(0x30); delay_us(150); write_4bit(0x30); write_4bit(0x20); // set to 4-bit mode // Now send 8-bit commands in two nibbles lcd_command(0x28); // 4-bit, 2 lines, 5x8 font lcd_command(0x0C); // display ON, cursor OFF lcd_command(0x06); // entry mode: increment, no shift lcd_command(0x01); // clear display delay_ms(2);
def send_byte(byte, is_data): send_nibble((byte>>4) & 0x0F, is_data) send_nibble(byte & 0x0F, is_data) time.sleep(0.002) # command execution time
GPIO.setmode(GPIO.BCM) for pin in [RS, E, DB4, DB5, DB6, DB7]: GPIO.setup(pin, GPIO.OUT)
def send_nibble(bits, rs_val): GPIO.output(RS, rs_val) GPIO.output(DB4, (bits>>0) & 1) GPIO.output(DB5, (bits>>1) & 1) GPIO.output(DB6, (bits>>2) & 1) GPIO.output(DB7, (bits>>3) & 1) GPIO.output(E, 1); time.sleep(0.001); GPIO.output(E, 0)
def lcd_init(): time.sleep(0.05) send_nibble(0x03, 0); time.sleep(0.005) send_nibble(0x03, 0); time.sleep(0.001) send_nibble(0x03, 0) send_nibble(0x02, 0) # 4-bit mode send_byte(0x28, 0) # function set send_byte(0x0C, 0) # display on send_byte(0x06, 0) # entry mode send_byte(0x01, 0) # clear time.sleep(0.002)
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自 2025 年 7 月 8 日 00:00:00 起，凡透過任一方式（包括儲值、稿費轉入等）新增取得之海棠幣，即視為您已同意下列規範： pppd-140
📌 如不希望原有海棠幣受半年效期限制，建議先行使用完既有餘額後再進行儲值。 void lcd_init() delay_ms(50); // wait >40ms after VDD
📌 若您對條款內容有疑問，請勿進行儲值，並可洽詢客服進一步說明。 void lcd_init() delay_ms(50)
void lcd_init() delay_ms(50); // wait >40ms after VDD rises write_4bit(0x30); delay_ms(5); write_4bit(0x30); delay_us(150); write_4bit(0x30); write_4bit(0x20); // set to 4-bit mode // Now send 8-bit commands in two nibbles lcd_command(0x28); // 4-bit, 2 lines, 5x8 font lcd_command(0x0C); // display ON, cursor OFF lcd_command(0x06); // entry mode: increment, no shift lcd_command(0x01); // clear display delay_ms(2);
def send_byte(byte, is_data): send_nibble((byte>>4) & 0x0F, is_data) send_nibble(byte & 0x0F, is_data) time.sleep(0.002) # command execution time
GPIO.setmode(GPIO.BCM) for pin in [RS, E, DB4, DB5, DB6, DB7]: GPIO.setup(pin, GPIO.OUT)
def send_nibble(bits, rs_val): GPIO.output(RS, rs_val) GPIO.output(DB4, (bits>>0) & 1) GPIO.output(DB5, (bits>>1) & 1) GPIO.output(DB6, (bits>>2) & 1) GPIO.output(DB7, (bits>>3) & 1) GPIO.output(E, 1); time.sleep(0.001); GPIO.output(E, 0)
def lcd_init(): time.sleep(0.05) send_nibble(0x03, 0); time.sleep(0.005) send_nibble(0x03, 0); time.sleep(0.001) send_nibble(0x03, 0) send_nibble(0x02, 0) # 4-bit mode send_byte(0x28, 0) # function set send_byte(0x0C, 0) # display on send_byte(0x06, 0) # entry mode send_byte(0x01, 0) # clear time.sleep(0.002)
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