-----程式碼---------------- import RPi.GPIO as GPIO #使用GPIO模組(GPIO.setmode) import time , threading #使用時間 (time.sleep),與執行緒() NUMBER = [0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F] NUMBER_TEXT = [0,0,0,0] # GPIO DEFINE seg_data_list = [3,5,7,8,10,11,12,13] seg_com_list = [15,16,18,19] global time_int = 5 dot = 0 # Use physical pin numbers GPIO.setmode(GPIO.BOARD) def Timer1(): global dot if dot == 1 : dot = 0 else: dot = 1 local = time.localtime(time.time()) NUMBER_TEXT[0] = int(local.tm_hour / 10) NUMBER_TEXT[1] = int(local.tm_hour % 10) NUMBER_TEXT[2] = int(local.tm_min / 10) NUMBER_TEXT[3] = int(local.tm_min % 10) for x in range(10): NUMBER_TEXT[0] = x time.sleep(0.2) global t1 t1 = threading.Timer(5 , Timer1) t1.start() # MAIN # 7SEG DATA for i in range(8): GPIO.setup(seg_data_list[i], GPIO.OUT) for i in range(8): GPIO.output(seg_data_list[i], True) # 7SEG COM SCAN for i in range(4): GPIO.setup(seg_com_list[i], GPIO.OUT) for i in range(4): GPIO.output(seg_com_list[i], True) SegCount = 0 dot = 0 print ("03.7SEG CLOCK DEMO Starting... ") t1 = threading.Timer(0.5 , Timer1) t1.start() while True: # close scan for i in range(4): GPIO.output(seg_com_list[i], True) time.sleep(0.001) seg7_data = NUMBER[NUMBER_TEXT[SegCount]]; # data if dot == 1 : seg7_data = seg7_data | 0x80 else: seg7_data = seg7_data & 0x7F data_index = 0x01 for i in range(8): if (seg7_data & data_index) == 0 : GPIO.output(seg_data_list[i], True) else: GPIO.output(seg_data_list[i], False) data_index = data_index << 1 # open scan GPIO.output(seg_com_list[SegCount], False) time.sleep(0.003) SegCount = SegCount + 1 SegCount = SegCount % 4
作業--->顯示分:秒