質問編集履歴
1
2回のデータ送信の間にCSを一度Hに戻す操作を加えてた
title
CHANGED
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File without changes
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body
CHANGED
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@@ -42,14 +42,22 @@
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42
42
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data1 = (data << 4) & 0xFF
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43
43
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send_data = [data0, data1]
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44
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print('send_data:{}'.format(send_data))
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45
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+
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45
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-
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46
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+
w.digitalWrite(cs_pin, 0)
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46
47
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time.sleep(0.1)
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47
48
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spi.xfer2(send_data)
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49
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w.digitalWrite(cs_pin, 1)
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50
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time.sleep(0.1)
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51
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+
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52
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w.digitalWrite(cs_pin, 0)
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53
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time.sleep(0.1)
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48
54
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adc = spi.xfer2(send_data)
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55
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w.digitalWrite(cs_pin, 1)
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56
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+
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49
57
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adc_value = adc[0] << 8 | adc[1]
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50
58
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print('CH:%d %d' % (channel, adc_value))
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51
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-
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59
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+
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52
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-
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60
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+
return adc_value
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53
61
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54
62
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if __name__ == '__main__':
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55
63
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try:
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